CN220245423U

CN220245423U - Lifting device for pole-mounted switch installation

Info

Publication number: CN220245423U
Application number: CN202321864877.6U
Authority: CN
Inventors: 杨静; 许贵金; 刘伟
Original assignee: Jiangsu Bolu Electric Group Co ltd
Current assignee: Jiangsu Bolu Electric Group Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2023-12-26
Anticipated expiration: 2033-07-17

Abstract

The utility model relates to the technical field of installation of pole-mounted switches, and particularly discloses a lifting device for installation of pole-mounted switches. The utility model provides a wire pole, bearing frame and support frame are installed respectively to one side of wire pole top and bottom, be equipped with a plurality of telescopic links between bearing frame and the support frame, sliding connection has the lifter plate on the telescopic link, be equipped with the fixed pulley group on the bearing frame, the winding has a plurality of haulage ropes on the fixed pulley group, the one end of haulage rope is connected with the wind-up roll winding of establishing subaerial hoist engine, and the other end detachable fixed connection is in the upside of lifter plate. After the winch is started, the lifting plate can be lifted under the action of the plurality of traction ropes, and the pole-mounted switch body mounted on the upper side of the lifting plate can be conveyed to the appointed installation position at the top of the telegraph pole, wherein compared with the traditional single-rope lifting, the arrangement of the plurality of traction ropes also greatly ensures the stability of the pole-mounted switch body during lifting.

Description

Lifting device for pole-mounted switch installation

Technical Field

The utility model relates to the technical field of installation of pole-mounted switches, in particular to a lifting device for installation of pole-mounted switches.

Background

The pole switch is a safety switch used on a telegraph pole for guaranteeing electricity safety, and mainly has the main effects of isolating high voltage of a circuit, various pole switch forms in the market, different performances, and mainly comprises a demarcation switch, a sectionalizing switch, a contact switch and the like. During power operations, it is often necessary to mount these heavy switchgear to a utility pole of tens of meters. In the prior art, a single rope of a crane is usually adopted for hoisting the switch on the column, so that the switch equipment is easy to shake in the lifting process, and the lifting process is extremely unstable; the crane is huge in size, is extremely easy to limit the construction environment and the site, is inconvenient to use, and has poor adaptability; in addition, the conventional pole switch mounting device is often very inconvenient to detach after the completion of the operation.

Disclosure of Invention

The utility model aims to provide a lifting device for mounting a pole-mounted switch, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a lifting device for installation of on-column switch, includes the wire pole, bearing frame and support frame are installed respectively to one side of wire pole top and bottom, be equipped with a plurality of telescopic links between bearing frame and the support frame, sliding connection has the lifter plate on the telescopic link, be equipped with the fixed pulley group on the bearing frame, the winding has a plurality of haulage ropes on the fixed pulley group, the one end of haulage rope is connected with the wind-up roll winding of establishing at subaerial hoist engine, and the fixed connection can be dismantled in the upside of lifter plate to the other end.

Further, one side of the bearing frame and one side of the supporting frame are fixedly connected with anchor clamps, and the anchor clamps are fixedly connected with the telegraph pole.

Further, the bearing frame includes bearing frame main part and first expansion plate, first expansion plate sliding connection is kept away from one side of staple bolt in the bearing frame main part, the support frame includes support frame main part and second expansion plate, second expansion plate sliding connection is kept away from one side of staple bolt in the support frame main part.

Further, the upside of bearing frame main part and support frame main part all is equipped with a plurality of holding bolts, holding bolts passes the through-hole and threaded connection in the screw hole on first expansion plate and the second expansion plate in bearing frame main part and the support frame main part.

Further, the lower extreme fixed connection of telescopic link is in the upside of second expansion plate, and the upper end inserts in the mounting hole of seting up on first expansion plate, the locating hole has still been seted up to the upper end of telescopic link, both sides all are equipped with the fixed pin around the first expansion plate, the fixed pin passes through the through-hole on the first expansion plate and inserts in the locating hole.

Further, a plurality of sleeves are arranged on the lifting plate, and the telescopic rods are connected to the inner sides of the sleeves in a sliding mode.

Further, the gap is offered to one side that the bearing frame main part was kept away from to first expansion plate, the inboard fixedly connected with shaft of gap, the shaft periphery evenly is equipped with a plurality of sections spacing portions, spacing portion is concave in the setting of shaft body, the fixed pulley group includes a plurality of fixed pulleys, the fixed pulley rotates to be connected on the periphery of spacing portion.

Further, the number of the fixed pulleys is three, and the number of the traction ropes is three.

Further, the winch is an electric winch or a hydraulic winch.

Compared with the prior art, the utility model has the beneficial effects that:

1. after the winch is started, the lifting plate can ascend under the action of the plurality of traction ropes, and the pole-mounted switch body carried on the upper side of the lifting plate can be transported to the appointed installation position at the top of the telegraph pole, wherein compared with the traditional single-rope hoisting, the arrangement of the plurality of traction ropes also greatly ensures the ascending stability of the pole-mounted switch body;

2. the sleeve is arranged on the lifting plate and is in sliding connection with the outer side of the telescopic rod, so that the guiding function is realized, the stability of the lifting plate carrying the pole-mounted switch body in the lifting process is ensured, and the pole-mounted switch body can be stably lifted to a preset installation position at the top of the telegraph pole;

3. the lengths of the first expansion plate and the second expansion plate extending out of the bearing frame main body and the supporting frame main body are adjusted, so that the distance between the switch body on the pole and the telegraph pole is adjusted, other equipment on the telegraph pole is avoided, and smooth installation of the switch body on the pole is ensured;

4. the utility model is also very convenient to disassemble, and after the pole switch body is installed at a designated position on a telegraph pole, the lifting plate is firstly lowered back to the ground; then, the fixing pins on the front side and the rear side of the first expansion plate are removed, so that the expansion link is contracted to the upper side of the second expansion plate; secondly, unscrewing the anchor ear on the telegraph pole, and detaching the bearing frame and the supporting frame; and finally, winding the traction rope on a winding roller of the winch, and finally, disassembling and recycling the lifting device for mounting the pole-mounted switch, thereby being convenient for reuse in the next power mounting operation.

Drawings

The utility model is described in detail below with reference to the attached drawing figures and the detailed description:

fig. 1 is a schematic structural view of a lifting device for mounting a pole-mounted switch according to an embodiment of the present utility model;

fig. 2 is a schematic view of an installation structure of a bearing frame and a telegraph pole according to an embodiment of the present utility model;

fig. 3 is a schematic view of an installation structure of a support frame and a telegraph pole according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a load-bearing frame according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a lifting plate according to an embodiment of the present utility model.

The marks in the drawings are: 1. a pole; 2. a hoop; 3. a bearing frame; 31. a load bearing frame body; 32. a first expansion plate; 321. a notch; 322. a mounting hole; 4. a wheel axle; 41. a limit part; 5. a fastening bolt; 6. a telescopic rod; 61. positioning holes; 7. a fixing pin; 8. a support frame; 81. a support frame body; 82. a second expansion plate; 9. a lifting plate; 91. a sleeve; 10. a pole-mounted switch body; 11. a traction rope; 12. a fixed pulley; 13. and a winding machine.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

As shown in fig. 1-5, the lifting device for installing a pole switch provided by the embodiment of the utility model comprises a telegraph pole 1, wherein a bearing frame 3 and a supporting frame 8 are respectively installed on one side of the top and the bottom of the telegraph pole 1, a plurality of telescopic rods 6 are arranged between the bearing frame 3 and the supporting frame 8, and the number of the telescopic rods 6 is preferably two and symmetrically arranged. The telescopic rod 6 is connected with the lifting plate 9 in a sliding manner, the on-column switch body to be installed is placed on the upper side of the lifting plate 9, the bearing frame 3 is provided with a fixed pulley block, a plurality of traction ropes 11 are wound on the fixed pulley block, one end of each traction rope 11 is wound and connected with a winding roller of a winding machine 13 arranged on the ground, the other end of each traction rope is detachably and fixedly connected on the upper side of the lifting plate 9, the lifting plate 9 can be lifted under the action of the winding machine 13, and the on-column switch body 10 is moved to a high position so as to finish installation.

As shown in fig. 1-3, one sides of a bearing frame 3 and a supporting frame 8 provided by the embodiment of the utility model are fixedly connected with hoops 2, and the hoops 2 are fixedly connected with a telegraph pole 1, that is, the bearing frame 3 and the supporting frame 8 are respectively fixedly installed at the top and the bottom of the telegraph pole 1 through the hoops 2.

Specifically, the bearing frame 3 includes a bearing frame main body 31 and a first expansion plate 32, where the first expansion plate 32 is slidably connected to a side of the bearing frame main body 31 away from the anchor ear 2; correspondingly, the support frame 8 comprises a support frame main body 81 and a second telescopic plate 82, and the second telescopic plate 82 is slidably connected to the side, away from the anchor ear 2, of the support frame main body 81. In particular, the upper sides of the bearing frame body 31 and the support frame body 81 are provided with a plurality of fastening bolts 5, wherein the number of fastening bolts 5 is preferably three, and the fastening bolts 5 pass through holes in the bearing frame body 31 and the support frame body 81 and are in threaded connection with threaded holes in the first expansion plate 32 and the second expansion plate 82. Therefore, the first expansion plate 32 and the second expansion plate 82 are adjusted to extend out of the lengths of the bearing frame main body 31 and the supporting frame main body 81, and the first expansion plate 32 and the second expansion plate 82 are tightly propped against each other through the fastening bolt 5, so that the distance between the pole-mounted switch body 10 and the telegraph pole 1 is adjusted, other equipment on the telegraph pole 1 is avoided, and smooth installation of the pole-mounted switch body 10 is ensured.

As shown in fig. 2 and 4, the lower end of the telescopic rod 6 provided in the embodiment of the present utility model is fixedly connected to the upper side of the second telescopic plate 82, and the upper end is inserted into the mounting holes 322 formed on the first telescopic plate 32, and the number of the mounting holes 322 corresponding to the telescopic rod 6 is preferably two, the upper end of the telescopic rod 6 is also provided with positioning holes 61, the front and rear sides of the first telescopic plate 32 are both provided with fixing pins 7, and the fixing pins 7 pass through the through holes on the first telescopic plate 32 and are inserted into the positioning holes 61. As shown in fig. 5, the lifting plate 9 is further provided with a plurality of sleeves 91, and the number of the sleeves 91 is preferably two corresponding to the number of the telescopic rods 6, and the telescopic rods 6 are slidably connected to the inner sides of the sleeves 91. Therefore, since the sleeve 91 is slidably connected to the outer side of the telescopic rod 6, the guide function is provided, and the stability of the lifting plate 9 carrying the pole-mounted switch body 10 in the lifting process is ensured, so that the pole-mounted switch body 10 can be stably lifted to the designated installation position at the top of the telegraph pole 1.

As shown in fig. 1, 2 and 4, a notch 321 is formed on a side of the first expansion plate 32 far away from the bearing frame main body 31, an axle 4 for installing a fixed pulley block is fixedly connected to the inner side of the notch 321, a plurality of sections of limiting parts 41 are uniformly arranged on the periphery of the axle 4, the limiting parts 41 are arranged concave to the axle body, the fixed pulley block comprises a plurality of fixed pulleys 12, and the fixed pulleys 12 are rotatably connected to the periphery of the limiting parts 41. The number of the fixed pulleys 12 is preferably three, the number of the traction ropes 11 corresponding to the fixed pulleys 12 is also preferably three, and compared with the traditional single-rope hoisting, the arrangement of the plurality of traction ropes 11 also greatly ensures the stability of the lifting of the pole-mounted switch body 10. Therefore, when the hoist 13 is started, the lifting plate 9 can be lifted up by the plurality of traction ropes 11, and the pole switch body 10 mounted on the upper side of the lifting plate 9 is transported to the designated installation place on the top of the utility pole 1.

In particular, the winch 13 may be a manual winch, and in order to make the installer save more effort, the winch 13 provided in the embodiment of the present utility model is also preferably an electric winch or a hydraulic winch.

In addition, the lifting device for mounting the pole-mounted switch is convenient to detach, and the specific operation steps are as follows: after the pole switch body 10 is installed at a designated place on the telegraph pole 1, the lifting plate 9 is firstly lowered back to the ground; then, the fixing pins 7 on the front side and the rear side of the first expansion plate 32 are removed, so that the expansion link 6 is contracted to the upper side of the second expansion plate 82; secondly, unscrewing the anchor ear 2 on the telegraph pole 1, and detaching the bearing frame 3 and the supporting frame 8; finally, the traction rope 11 is wound on a winding roller of the winding machine 13, and finally the lifting device for mounting the pole-mounted switch is dismounted and recycled, so that the next power mounting operation is convenient to use again.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lifting device for installation of post switch, includes wire pole (1), its characterized in that, bearing frame (3) and support frame (8) are installed respectively to one side of wire pole (1) top and bottom, be equipped with a plurality of telescopic links (6) between bearing frame (3) and support frame (8), sliding connection has lifter plate (9) on telescopic link (6), be equipped with fixed pulley group on bearing frame (3), the winding has a plurality of haulage ropes (11) on the fixed pulley group, the one end of haulage rope (11) is connected with the wind-up roll winding of establishing hoist engine (13) subaerial, and the upside at lifter plate (9) can be dismantled to the other end fixed connection.

2. The lifting device for mounting the pole-mounted switch according to claim 1, wherein one side of the bearing frame (3) and one side of the supporting frame (8) are fixedly connected with hoops (2), and the hoops (2) are fixedly connected with the telegraph pole (1).

3. Lifting device for mounting a pole-mounted switch according to claim 2, characterized in that the bearing frame (3) comprises a bearing frame main body (31) and a first expansion plate (32), the first expansion plate (32) is slidably connected to one side of the bearing frame main body (31) far away from the anchor ear (2), the support frame (8) comprises a support frame main body (81) and a second expansion plate (82), and the second expansion plate (82) is slidably connected to one side of the support frame main body (81) far away from the anchor ear (2).

4. A lifting device for mounting a pole-mounted switch according to claim 3, wherein a plurality of fastening bolts (5) are respectively arranged on the upper sides of the bearing frame main body (31) and the support frame main body (81), and the fastening bolts (5) penetrate through holes in the bearing frame main body (31) and the support frame main body (81) and are in threaded connection with threaded holes in the first telescopic plate (32) and the second telescopic plate (82).

5. The lifting device for mounting the pole switch according to claim 4, wherein the lower end of the telescopic rod (6) is fixedly connected to the upper side of the second telescopic plate (82), the upper end of the telescopic rod is inserted into a mounting hole (322) formed in the first telescopic plate (32), a positioning hole (61) is further formed in the upper end of the telescopic rod (6), fixing pins (7) are arranged on the front side and the rear side of the first telescopic plate (32), and the fixing pins (7) penetrate through holes in the first telescopic plate (32) and are inserted into the positioning holes (61).

6. The lifting device for mounting a pole switch according to claim 5, wherein a plurality of bushings (91) are provided on the lifting plate (9), and the telescopic rod (6) is slidably connected to the inner side of the bushings (91).

7. The lifting device for installing the pole-mounted switch according to claim 5, wherein a notch (321) is formed in one side, far away from the bearing frame main body (31), of the first telescopic plate (32), an axle (4) is fixedly connected to the inner side of the notch (321), a plurality of sections of limiting parts (41) are uniformly arranged on the periphery of the axle (4), the limiting parts (41) are recessed in the axle body, the fixed pulley block comprises a plurality of fixed pulleys (12), and the fixed pulleys (12) are rotationally connected to the periphery of the limiting parts (41).

8. The lifting device for mounting a pole switch according to claim 7, wherein the number of fixed pulleys (12) is three, and the number of traction ropes (11) is three.

9. Lifting device for mounting a pole switch according to claim 1, characterized in that the hoist (13) is an electric hoist or a hydraulic hoist.