CN219041240U

CN219041240U - Secondary cable laying dolly for transformer substation

Info

Publication number: CN219041240U
Application number: CN202223145923.5U
Authority: CN
Inventors: 郑苡; 张伟; 邹国新; 张旭; 董少乾
Original assignee: Jinzhou Electric Power Supply Co Of State Grid Liaoning Electric Power Supply Co ltd; State Grid Corp of China SGCC
Current assignee: Jinzhou Electric Power Supply Co Of State Grid Liaoning Electric Power Supply Co ltd; State Grid Corp of China SGCC
Priority date: 2022-11-26
Filing date: 2022-11-26
Publication date: 2023-05-16
Anticipated expiration: 2032-11-26

Abstract

The utility model discloses a secondary cable laying trolley for a transformer substation, and particularly relates to the technical field of cable laying trolleys. According to the utility model, the laying assembly is arranged, the second laying pulley and the first laying pulley are used for guiding and limiting the cables when the cables are laid, so that the situation that different cables are mutually wound is avoided, the first arc-shaped baffle plate, the first bracket, the second bracket and the second arc-shaped baffle plate are mutually matched for use, the cables wound on the laying trolley are blocked and limited, the cables are prevented from being loosened and distorted when being laid, the laying effect and efficiency of the cables are improved, and meanwhile, the GPS positioner on the main body of the laying trolley is used for facilitating continuous positioning of the trolley in the laying process, so that workers can conveniently know the laying area and ensure the positioning precision.

Description

Secondary cable laying dolly for transformer substation

Technical Field

The utility model relates to the technical field of cable laying trolleys, in particular to a secondary cable laying trolley for a transformer substation.

Background

The power system has a large number of transformer substations with long operation time and ageing secondary equipment to be transformed, and the secondary cables are mainly arranged in a cable interlayer below a main control room and laid through a bridge frame in a common transformer substation in order to ensure the reliability of power supply while transforming the transformer substation.

The utility model patent of the patent application number CN201420793978.3 discloses a secondary cable bridging device for transformation of a transformer substation, which comprises a box body, wherein two ends of the box body are provided with bridging parts extending downwards, the box body and the bridging parts form an arch structure, a supporting plate is arranged between the two bridging parts, and an old cable trench passing space is formed between the supporting plate and the two bridging parts;

this structure is when using, through will moving the old cable clearance of secondary to move out the cable pit, then can decompose the secondary cable bridging bridge case for transformation of transformer substation and demolish, the new secondary cable of laying can go into the ditch at this moment and arrange the laying to the cable evening, but such operation procedure is comparatively loaded down with trivial details, in transformer substation secondary cable laying process, the condition of intertwine appears between various cables easily in its intensive department, cable laying environment is narrow and small simultaneously, the shielding effect to radio signal is stronger, be difficult to adapt to the complex environment in the cable pit, positioning accuracy and control accuracy can receive serious influence.

Disclosure of Invention

The utility model provides a secondary cable laying trolley for a transformer substation, and aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the secondary cable laying trolley for the transformer substation comprises a laying trolley main body and a GPS (global positioning system) positioner which is arranged on the laying trolley main body and is in wireless connection with the transformer substation, wherein a laying assembly is arranged on the laying trolley main body;

the laying assembly comprises a supporting plate arranged on a laying trolley main body, a shaft pin seat is arranged on the supporting plate, a connecting block is movably connected to the shaft pin seat, a first bracket is arranged on the connecting block, first laying pulleys used for dredging cables are movably arranged at two ends of the first bracket, and first arc-shaped baffles which are arranged on the first bracket are respectively arranged at one sides of the two first laying pulleys;

the cable laying device is characterized in that a second bracket is arranged above the first bracket, second laying pulleys used for guiding cables are movably arranged at two ends of the second bracket, and second arc-shaped baffle plates which are arranged on the second bracket are respectively arranged on one sides of the two second laying pulleys.

Laying the subassembly still including setting up the ejector pin in second bracket one side, the ejector pin passes through the side of bolt installation at first bracket, the spout has been seted up to surface one side of ejector pin, the cover is equipped with the sliding frame on the ejector pin, the top at the second bracket is installed to the sliding frame, the inside of sliding frame is provided with the slider with spout assorted, the top of first bracket is provided with electric putter, electric putter's output extends to the bottom of second bracket and can dismantle with the second bracket through the bolt and be connected, the upper surface of laying the dolly main part just is located the both sides of laying the subassembly and has all seted up the metallic channel of slope.

The utility model has the technical effects and advantages that:

compared with the prior art, the cable laying device has the advantages that the whole structure is simple in design and reasonable in structure, the cables are dredged and limited when laid through the second laying pulley and the first laying pulley in the conveying process through corresponding matching of the structures, and the situation that different cables are intertwined can be avoided;

moreover, through the mutual matching of the first arc-shaped baffle plate and the first bracket as well as the second bracket and the second arc-shaped baffle plate, the cable wound on the laying trolley is subjected to grid stop limiting, so that the cable is prevented from being loosened and twisted during laying, and the laying effect and the efficiency of the cable are improved; meanwhile, by laying the GPS positioner on the trolley main body, the trolley can be positioned continuously in the laying process, so that workers can know the laying area conveniently and the positioning accuracy is ensured;

meanwhile, the electric push rod can be started, the output end of the electric push rod drives the second bracket to move upwards, so that the distance between the second bracket and the first bracket is adjusted, the tightness of the cable wound on the first laying pulley and the second laying pulley is adjusted, and the electric push rod is convenient to use and has good practicability.

Drawings

In order to more clearly illustrate the technical solutions of the present disclosure, the drawings that need to be used in some embodiments of the present disclosure will be briefly described below, and it is apparent that the drawings in the following description are only drawings of some embodiments of the present disclosure, and other drawings may be obtained according to these drawings to those of ordinary skill in the art. Furthermore, the drawings in the following description may be regarded as schematic diagrams, not limiting the actual size of the products, the actual flow of the methods, the actual timing of the signals, etc. according to the embodiments of the present disclosure.

Fig. 1 is a front view of the overall structure of the present utility model.

Fig. 2 is a side view of the overall structure of the present utility model.

Fig. 3 is a front view of the laying assembly of the present utility model.

Fig. 4 is an exploded view of the laying assembly of the present utility model.

Fig. 5 is a schematic diagram of the present utility model when the cable is laid.

The reference numerals are: 1. laying a trolley main body; 2. a support plate; 3. a shaft pin seat; 4. a connecting block; 5. a first bracket; 6. a first laying pulley; 7. a first arcuate baffle; 8. a second bracket; 9. a push rod; 10. a sliding frame; 11. a chute; 12. a slide block; 13. a second laying pulley; 14. a second arcuate baffle; 15. an electric push rod; 16. a wire groove; 17. GPS locator.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In an embodiment, a secondary cable laying trolley for a transformer substation, as shown in fig. 1-4, comprises a laying trolley main body 1 and a GPS (global positioning system) positioner 17 which is arranged on the laying trolley main body 1 and is in wireless connection with the transformer substation, wherein a laying assembly is arranged on the laying trolley main body 1; can avoid appearing the condition of intertwine between intensive various cables through laying the subassembly, be convenient for adapt to the complex environment in the cable pit, location control is accurate simultaneously.

The laying assembly comprises a supporting plate 2 fixedly arranged on a laying trolley main body 1 through bolts, a shaft pin seat 3 for supporting is fixedly welded on the supporting plate 2, a rotatable connecting block 4 is movably connected to the shaft pin seat 3 through a pin shaft, a first bracket 5 is fixedly arranged on the connecting block 4 through bolts, two ends of the first bracket 5 are movably provided with rotatable first laying pulleys 6 for leading cables through a wheel shaft, and one sides of the two first laying pulleys 6 are respectively provided with a first arc-shaped baffle 7 for blocking; the first arc-shaped baffle plates 7 are fixedly welded at two ends of the first bracket 5 respectively.

A second bracket 8 is arranged above the first bracket 5, two ends of the second bracket 8 are movably provided with rotatable second laying pulleys 13 for leading cables through wheel shafts, and one sides of the two second laying pulleys 13 are respectively provided with a second arc baffle 14; the second arc baffles are respectively fixedly welded at two ends of the second bracket 8.

The laying assembly further comprises a push rod 9 arranged on one side of the second bracket 8, the push rod 9 is fixedly arranged on the side face of the first bracket 5 through bolts, a sliding groove 11 for guiding is formed in one side of the surface of the push rod 9 in the longitudinal direction, a sliding frame 10 is sleeved on the push rod 9 through sliding clearance fit, the sliding frame 10 is fixedly connected to the top of the second bracket 8, a sliding block 12 matched with the sliding groove 11 is arranged in the sliding frame 10 and is inserted into the sliding groove 11, an electric push rod 15 for driving the second bracket 8 to move up and down is arranged on a connecting block 4 in the middle position of the top of the first bracket 5, the output end of the electric push rod 15 extends to the bottom of the second bracket 8 and is detachably connected with the second bracket 8 through bolts, a wire groove 16 is formed in the upper surface of the laying trolley body 1 and is located on two sides of the laying assembly, and the guide groove 16 is inclined corresponding to the inner side edge of one side of the laying assembly.

When in use, as shown in fig. 5, a worker inserts a wire groove 16 at one end of a cable when carrying out secondary cable laying, then clamps the cable on a second laying pulley 13 through a first laying pulley 6, then supports the cable by the other second laying pulley 13, then limits the cable through the other first laying pulley 6, and finally passes out of the wire groove 16, so that the cable can be wound on the laying trolley;

the spacing cover fixed at the upper end of the ejector rod 9 can be used for pushing the laying trolley to displace by a worker, the cable wound on the laying trolley is conveyed by external mechanical equipment (not shown in the figure), and the cable is dredged and spacing when being laid by the rotation of the second laying pulley 13 and the first laying pulley 6 in the conveying process, so that the condition that different cables are mutually wound is avoided;

in addition, when the first laying pulley 6 and the second laying pulley 13 are used for conducting and laying the cables, the first arc-shaped baffle 7, the first bracket 5, the second bracket 8 and the second arc-shaped baffle 14 are matched with each other, so that the cables wound on the laying trolley can be blocked and limited, the cables are prevented from being loosened and twisted during laying, and the laying effect and the efficiency of the cables are improved; meanwhile, through the GPS positioner 17 on the laying trolley main body 1, the positioning of the laying trolley can be continued in the laying process, so that workers can know the laying area conveniently, and the positioning accuracy is ensured.

Meanwhile, the second bracket 8 can be driven to move upwards through the electric push rod 15, so that the distance between the second bracket 8 and the first bracket 5 is adjusted, and the tightness of the cable wound on the first laying pulley 6 and the second laying pulley 13 is adjusted.

The foregoing is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the utility model, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims

1. The utility model provides a transformer substation uses secondary cable laying dolly, is including laying dolly main part (1) and install on laying dolly main part (1) with transformer substation wireless connection's GPS locator (17), its characterized in that: a laying assembly is arranged on the laying trolley main body (1);

the laying assembly comprises a supporting plate (2) arranged on a laying trolley main body (1), a shaft pin seat (3) is arranged on the supporting plate (2), a connecting block (4) is movably connected to the shaft pin seat (3), a first bracket (5) is arranged on the connecting block (4), first laying pulleys (6) used for leading cables are movably arranged at two ends of the first bracket (5), and first arc-shaped baffles (7) which are arranged on the first bracket (5) are respectively arranged at one sides of the two first laying pulleys (6);

the cable laying device is characterized in that a second bracket (8) is arranged above the first bracket (5), second laying pulleys (13) used for guiding cables are movably mounted at two ends of the second bracket (8), and second arc-shaped baffles (14) which are mounted on the second bracket (8) are respectively arranged at one sides of the two second laying pulleys (13).

2. A secondary cabling trolley for a substation according to claim 1, wherein: the laying assembly further comprises a push rod (9) arranged on one side of the second bracket (8), and the push rod (9) is arranged on the side face of the first bracket (5) through bolts.

3. A secondary cabling trolley for a substation according to claim 2, wherein: a sliding groove (11) is formed in one side of the surface of the ejector rod (9), and a sliding frame (10) is sleeved on the ejector rod (9).

4. A secondary cabling trolley for a substation according to claim 3, wherein: the sliding frame (10) is arranged at the top of the second bracket (8), and a sliding block (12) matched with the sliding groove (11) is arranged in the sliding frame (10).

5. A secondary cabling trolley for a substation according to claim 1, wherein: the top of first bracket (5) is provided with electric putter (15), the output of electric putter (15) extends to the bottom of second bracket (8) and is connected through the bolt can be dismantled with second bracket (8).

6. A secondary cabling trolley for a substation according to claim 1, wherein: inclined wire grooves (16) are formed in the upper surface of the laying trolley body (1) and located on two sides of the laying assembly.