The invention relates to a submarine cable ballasting unit. The submarine cable ballasting unit is characterized by comprising a counterweight outer cylinder, a counterweight inner cylinder, a flexible sleeve and an anode block, wherein the balance weight outer cylinder, the balance weight inner cylinder and the flexible sleeve are respectively a symmetrical structure with the middle separated, the counterweight inner cylinder is fixedly arranged in the counterweight outer cylinder, the flexible sleeve used for placing a submarine cable is fixedly arranged in the mating inner cylinder, and atleast one pair of anode blocks is symmetrically arranged on the counterweight outer cylinder and is used for preventing seawater corrosion.

Submarine cable ballasting unit

The invention discloses a wire embedding device for water conservancy and hydropower engineering and an implementation method thereof. A wire passing through a paying-off mechanism enters the inner cavity of a limiting mechanism. The directions and heights of provided three groups of pulley mechanisms can all be adjusted in order that the pulley mechanisms can be suitable for various paying-off conditions. In the paying-off process, the wire deviates leftwards and rightwards or deviates upwards and downwards. When a joint block is vertical to the ground, a portion between an adjustment sheet and an inner connecting groove is in an open state, the opening angle is 90 degrees, and the bottom end of a second limiting sliding plate is movably connected with the top end of a limiting column. Inthe state, the wire in contact with the surface of a sliding concave body is suitable for being placed in a way of deviating leftwards and rightwards. When the joint block is parallel with the ground, an inner embedded block is matched with the inner cavity of the inner connecting groove, so that the adjustment sheet is attached to one side of a mounting box. In the state, the wire contacting with the surface of the sliding concave body is suitable for being placed in a way of deviating upwards and downwards, and a wheel body is matched with the inner cavity of a vertical sliding chute and can move optionally upwards and downwards, so as to be adjusted to a required position and direction.

Wire embedding device for water conservancy and hydropower engineering and implementation method thereof

The invention discloses a computer communication equipment placing rack convenient to disassemble. The placing rack comprises a bottom plate, a first sliding groove is formed in the left side of the upper surface of the bottom plate. A second sliding groove is formed in the right side face of the upper surface of the bottom plate, two grooves are formed in the upper surface of the bottom plate, afirst sliding block is slidably connected to the inner wall of the first sliding groove, a first supporting plate is fixedly connected to the upper surface of the first sliding block, and the lower surface of the first supporting plate is in lap joint with the upper surface of the bottom plate. The invention discloses a computer communication equipment placing rack convenient to disassemble. A user rotates a rotating rod, so that a rotating shaft rotates; the rotating shaft rotates to drive the threaded column to move upwards, the second wire clamping plate moves upwards to enable the second wire clamping plate to be separated from the electric wire, and at the moment, a user takes down the electric wire in the wire clamping groove, so that the user conveniently disassembles the electric wire, the time for disassembling the placing frame by the user is saved, and the working efficiency for disassembling the placing frame by the user is improved.

Computer communication equipment placing rack

The invention relates to a wire clamping device with an adjustable jaw for tensioning a power overhead line and belongs to an overhead line construction and maintenance tool. The device is formed by asubstrate, a pulling ring, a connecting rod, a lower jaw plate of the jaw, and an upper jaw plate of the jaw. A rack is embedded in parallel to the lower jaw plate of the jaw, a back side of the rackis parallel with and coincides with a front side of the lower jaw plate, biting teeth are distributed on a front side of the rack, two embedded fastening screws are in a clearance fit on a back sidethereof, and the fastening screws pass through the lower jaw plate and are tightened with the back side of the lower jaw plate. According to the wire clamping device with the adjustable jaw for tensioning the power overhead line, the design of the combination of a connecting rod mechanism and a chute is employed to achieve the clamping of a twisted wire, the device has the characteristics that theexternal pulling force is larger, the biting force is larger, at the same time, the rack is movably embedded in the lower jaw plate of the jaw, the wire holding is firm, the safety is high, the overall structure design is reasonable, and the device can be adapted to various construction environments.

Wire clamping device with adjustable jaw for tensioning power overhead line

The invention relates to a tool placing table. The tool placing table comprises a table top set and a storage device arranged below the table top set; the table top set comprises a plurality of tabletops which are sequentially connected upwards, and the table top at the bottommost layer of the table top set is fixedly connected to the upper part of the storage device; the adjacent table tops areconnected through bolts; and the storage device comprises a support arranged below the table top set, and a drawer and an inverter are arranged in the support. The invention further provides a using method of the tool placing table and an application of the tool placing table on testing of a transformer. The tool placing table is flexible in structure, and the placement interval of the equipment can be selected by adjusting the distance between all the table tops according to the number, the type, the size and the arrangement of the equipment. According to the tool placing table, orderly on-site placement can be realized, normal work of can be realized through an inverter power supply when a power supply is lacked, and the instrument can be prevented from being wetted when rain is suddenlyoccurred in the field test process. The testing efficiency of the transformer is greatly improved.

Tool placing table, using method and application

The utility model relates to a lead clamping device, including punch holder, lower plate and threaded rod, the coaxial end of wearing to adorn punch holder and lower plate of threaded rod is provided with clamp splice and lower clamp splice in inboard correspondence of punch holder and lower plate, correspondingly in the clamp splice is provided with double -layered groove. Innovation point lies in can dismantling the change clamp splice simultaneously through the elasticity of threaded rod control punch holder and lower plate, is applicable to the wire of different diameters. The utility model has the advantages of reasonable design, convenient to use is swift, can continuously exert oneself, and is higher for the tight intensity of jaw type lead clamping device clamp, and can not rebound after pressing from both sides tightly, has ensured the tight intensity of clamp of wire, effectively avoids the wire to drop, is applicable to and widelys popularize the use.

Lead clamping device

The invention relates to a multifunctional cable guide wheel which comprises an underframe and a vertical frame. The vertical frame is connected with a first longitudinal guide wheel and a second longitudinal guide wheel. The underframe is connected with a first lateral guide wheel. A second lateral guide wheel is arranged on the first lateral guide wheel. The second lateral guide wheel is fixed on the vertical frame through a scale. The scale is provided with a long hole. One end of the second lateral guide wheel passes through the long hole and is fastened to the scale through a nut. The distance between the second lateral guide wheel and the first lateral guide wheel can be adjusted by fastening the nut. According to the invention, the multifunctional cable guide wheel has the advantages of simple structure and convenient use, and can be used singly or in combination; various functions are realized to meet various laying requirements; in addition, a power cable can be restricted from breaking away from the cable guide wheel; according to the specification of the cable, the distance between the second lateral guide wheel and the first lateral guide wheel can be adjusted by fastening the thumb nut; and the power cable is better controlled and is prevented from breaking away from the cable guide wheel.

Multifunctional cable guide wheel

The invention relates to a relay protection work car The work car comprises a car body, universal wheels and a push handle support, the car body is of a cuboid frame structure, and the side face and the top face of the frame structure are both of an opening structure A plurality of horizontally distributed storage plates are arranged in the frame structure of the car body, each storage plate is composed of a flat plate and a sloping plate, and the sloping plates are arranged around the edges of the flat plates in an upward sloping mode; a plurality of vertical telescopic insertion connectors are uniformly arranged on the top of the frame structure of the car body, one supporting rod is inserted into each telescopic insertion connector, the upper ends of all the supporting rods are connected to a rainshed together, and the rainshed is located above the car body The relay protection work car is reasonable in design, convenient to use, low in manufacturing cost and high in practicability By means of the work car, small articles are convenient to store and find, and a large device can be placed in the car Moreover, when the work car is used, time and labor are saved, the work car can keep out wind and rain, and great convenience can be brought to workers

Relay protection work car

The invention relates to an electric energy measuring tail end system. The electric energy measuring tail end system comprises a plurality of electric energy meters, an electric meter box for installing the electric energy meters, and remote tail ends and wall hanging panels which are connected with the electric energy meters in a one-to-one correspondence manner; an electric energy display screenand an electric energy card recognizer are arranged in front of each remote tail end; installation lugs are arranged on two sides of each remote tail end; a quick plug type data socket is formed in the back side of each remote tail end; a plurality of groove bodies are formed in each wall hanging panel; and the back side of each remote trail end is embedded into the groove body of the corresponding wall hanging panel and is fixedly connected with the wall through the corresponding wall hanging panel. The electric energy measuring tail end system is reasonable in structure design, the remote tail ends can be independently separated from the electric meter box, and the electric energy meters can be separated fro carrying out remote electricity quantity observation and the recognition of anelectric energy card.

Electric energy measuring tail end system

The invention relates to a multifunctional construction tool for a power pipeline. The multifunctional construction tool comprises a vertical ladder and a gas detecting device, wherein the gas detecting device comprises a gas detector and a gas sensing module connected with the gas detector; the vertical ladder comprises a plurality of cross bars, a first vertical bar and a second vertical bar; the first vertical bar is a hollow pipe and is provided with an exhaust fan; an air inlet of the exhaust fan is connected with the lower half part of the first vertical bar; an air outlet of the exhaustfan is connected with the upper half part of the first vertical bar, so that the first vertical bar is used as an exhaust channel; a plurality of air inlet holes are formed in the lower half part ofthe first vertical bar; the gas detector comprises a microprocessing module, a display module, an alarm module and a power supply module. The multifunctional construction tool for the power pipeline,provided by the invention, is convenient to use; multiple functions are realized by one object through reasonable combination of the ladder, detecting equipment, exhaust equipment, draining equipmentand illuminating equipment, and the condition of numerous and disorderly construction tools is avoided.

Multifunctional construction tool for power pipeline

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