Portable telescopic support rod device for static maintenance of pantograph

Abstract

A portable telescopic supporting rod device for static overhaul of a pantograph comprises a first round tube, a second round tube and a third round tube which are sequentially connected in a telescopic mode, a top supporting seat is installed at the top of the first round tube, and a bottom supporting seat is installed at the bottom of the third round tube; during application, the positioning pins on the first telescopic retainer and the second telescopic retainer are unscrewed anticlockwise, the telescopic rod is pulled out to adjust the height needing to be supported and lock the positioning pins, then the pantograph is lifted, the bottom supporting seat of the portable telescopic pantograph static overhaul supporting rod device is clamped on a pantograph base, and the pantograph static overhaul supporting rod device is fixed on the pantograph base. The top supporting seat is clamped on a pantograph head mounting seat, so that static supporting maintenance operation of the pantograph is realized; the length of the supporting rod can be adjusted according to maintenance requirements in the operation process, and maintenance operation is facilitated; the main body is made of aluminum alloy materials, the supporting seat is made of stainless steel materials to increase strength, the rubber cup is arranged in the pipe for buffering, and the device has the advantages of being flexible to disassemble, convenient to maintain, attractive in overall appearance, low in manufacturing cost and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of safety control interlocking devices, in particular to a portable telescopic pantograph static maintenance support rod device. Background Art

[0002] With the rapid construction and development of my country's rail transit system, subway vehicles have become an indispensable means of transportation for daily commutes. Subway maintenance equipment ensures the quality and safety of subway vehicle operation. Pantographs are critical components for the safe operation of subway trains and, therefore, are a crucial component of maintenance at all levels of the maintenance process. During static maintenance operations at all levels, pantographs must be supported to facilitate inspection. Currently, the commonly used wooden supports are cumbersome, too wide to allow for flexible adjustment of support points, difficult to carry, have a fixed support height, and are prone to cracking. Summary of the Invention

[0003] In order to overcome the shortcomings of the above-mentioned prior art, the purpose of the present utility model is to provide a portable telescopic pantograph static maintenance support rod device. The main body of the device is made of lightweight aluminum alloy, and the support seats at both ends of the support rod are made of stainless steel to increase the strength. The tube is equipped with a rubber cup for buffering. It can solve the problems of wooden supports such as being bulky, inconvenient to carry, having a fixed support height, and easy cracking of the material. It has the characteristics of flexible disassembly, easy maintenance, overall beauty, and low production cost.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A portable telescopic pantograph static maintenance support rod device includes a first circular tube 3, a second circular tube 5 and a third circular tube 7 which are telescopically connected in sequence. A top support seat 1 is installed on the top of the first circular tube 3, and a bottom support seat 9 is installed on the bottom of the third circular tube 7.

[0006] The top support seat 1 is connected to the first round tube 3 via a top support seat fixing nut 2; the third round tube 7 is connected to the bottom support seat 9 via a bottom support seat threaded rod 8.

[0007] The top support seat 1 is fixedly connected to the top support seat fixing nut 2. A threaded rod is provided at the top end of the first round tube 3. The top support seat fixing nut 2 is threadedly connected to the threaded rod at the top end of the first round tube 3.

[0008] The bottom support seat 9 is fixedly connected to the bottom support seat threaded rod 8. The bottom of the third round tube 7 is provided with an internal thread, and the bottom support seat threaded rod 8 is threadedly connected to the internal thread at the bottom of the third round tube 7.

[0009] The first telescopic retainer 4 is externally provided with a first positioning pin, and the first pipe 3 adjusts the length of the support rod through the first positioning pin on the first telescopic retainer 4.

[0010] The second telescopic retainer 6 is externally provided with a second positioning pin, and the second pipe 5 adjusts the length of the support rod through the second positioning pin on the second telescopic retainer 6.

[0011] The first pipe 3, the second pipe 5 and the third pipe 7 are all made of aluminum alloy.

[0012] The top support base 1 and the bottom support base 9 are both made of stainless steel.

[0013] The first telescopic retainer 4 and the second telescopic retainer 6 are made of metal.

[0014] The first pipe 3, the second pipe 5 and the third pipe 7 are in order of increasing diameter; the bottom end faces of the first pipe 3 and the second pipe 5 are both provided with rubber skin bowls, the rubber skin bowl of the first pipe 3 is in contact with the inner wall of the second pipe 5, and the rubber skin bowl of the second pipe 5 is in contact with the inner wall of the third pipe 7.

[0015] Compared with the prior art, the portable telescopic pantograph static maintenance support rod has the advantages that:

[0016] 1. The portable telescopic pantograph static maintenance support rod adopts a telescopic structure connection, solves the problems of limited support height when a wooden board supports a pantograph, cannot be adjusted according to the on-site maintenance condition, operation environment space, wooden board cracking and resource waste, greatly improves the flexibility of the pantograph support technology height, improves the maintenance space and avoids the waste of energy resources, and the light and efficient support rod effectively improves the labor efficiency in combination with the use of the support rod by on-site staff.

[0017] 2. The portable telescopic pantograph static maintenance support rod solves the singleness of the wooden board support, can check the air bag, steel wire rope and other states of the pantograph at the height of the simulation of the positive line pantograph, effectively increases an inspection standard of the pantograph, and effectively improves the work efficiency of the pantograph static maintenance.

[0018] 3. The portable telescopic pantograph static maintenance support rod is made of aluminum alloy, is light and flexible to use, does not waste space, is convenient to maintain, is overall beautiful, has low manufacturing cost and the like, greatly improves the daily maintenance quality, and has good popularization value.

[0019] 4. The portable telescopic pantograph static maintenance support rod of the utility model adopts nut thread connection between the telescopic structures. The detachable connection makes the utility model flexible to use and easy to carry.

[0020] In summary, the utility model is beautiful, lightweight, flexible to use and multifunctional, can effectively adjust the required height, has strong flexibility, does not waste space, is easy to carry, and can improve daily maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0022] Figure 2 It is a work flow chart of the utility model.

[0023] Among them, 1. Top support seat; 2. Top support seat fixing nut; 3. First round tube; 4. First telescopic guard ring; 5. Second round tube; 6. Second telescopic guard ring; 7. Third round tube; 8. Bottom support seat threaded rod; 9. Bottom support seat. DETAILED DESCRIPTION

[0024] The present invention will be further described in detail below with reference to the embodiments.

[0025] like Figure 1 As shown, a portable telescopic pantograph static maintenance support rod device includes a first circular tube 3, a second circular tube 5 and a third circular tube 7 which are telescopically connected in sequence. A top support seat 1 is installed on the top of the first circular tube 3, and a bottom support seat 9 is installed on the bottom of the third circular tube 7.

[0026] The top support seat 1 and the first round tube 3 are connected via a top support seat fixing nut 2 .

[0027] The top support seat 1 is fixedly connected to the top support seat fixing nut 2. A threaded rod is provided at the top of the first round tube 3. The top support seat fixing nut 2 is threadedly connected to the threaded rod at the top of the first round tube 3 to form a detachable structure for easy maintenance.

[0028] A first telescopic retainer 4 is provided between the first circular tube 3 and the second circular tube 5 . A first positioning pin is provided on the outside of the first telescopic retainer 4 . The first circular tube 3 adjusts the length of the support rod through the first positioning pin on the first telescopic retainer 4 .

[0029] A second telescopic retainer 6 is provided between the second circular tube 5 and the third circular tube 7 . A second positioning pin is provided on the outside of the second telescopic retainer 6 . The second circular tube 5 adjusts the length of the support rod through the second positioning pin on the second telescopic retainer 6 .

[0030] The third round tube 7 is connected to the bottom support seat 9 via a bottom support seat threaded rod 8 .

[0031] The bottom support base 9 is fixedly connected with the bottom support base threaded rod 8, the third circular tube 7 is provided with a threaded rod at the bottom, and the bottom support base threaded rod 8 is threadedly connected with the threaded rod at the bottom of the third circular tube 7, so that the maintenance is facilitated.

[0032] The first circular tube 3, the second circular tube 5 and the third circular tube 7 are all made of aluminum alloy.

[0033] The aluminum alloy material has the advantages of light weight and high strength, strong corrosion resistance and beautiful appearance.

[0034] The top support base 1 and the bottom support base 9 are both made of stainless steel.

[0035] The stainless steel material is used for the support base, which is a force-bearing part, and the stainless steel is not easy to deform, has good wear resistance, high hardness and low price.

[0036] The first telescopic retainer 4 and the second telescopic retainer 6 are made of metal.

[0037] The metal material has strong locking performance, is solid and durable, is used for connecting pipes, can make a small pipe be accommodated in a large pipe, has the storage function, and makes the pipe freely extend and be fixed at a specified length.

[0038] The diameters of the first circular tube 3, the second circular tube 5 and the third circular tube 7 are gradually increased; the bottom end faces of the first circular tube 3 and the second circular tube 5 are both provided with rubber skin bowls, the rubber skin bowl of the first circular tube 3 is in contact with the inner wall of the second circular tube 5 and has the buffering function, and the rubber skin bowl of the second circular tube 5 is in contact with the inner wall of the third circular tube 7 and has the buffering function.

[0039] The working principle of the utility model is as follows:

[0040] For example Figure 2As shown, during use, counterclockwise unscrew the positioning pins on the first and second telescopic retainers 4 and 6, pull out the telescopic rod to adjust the required support height, and tighten the positioning pins. Then, lift the pantograph, attach the bottom support base 9 of the portable telescopic pantograph static maintenance support rod device to the pantograph base, and the top support base 1 to the pantograph head mounting base, completing the pantograph static support maintenance operation. During operation, the support rod length can be adjusted according to maintenance needs to facilitate maintenance work.

Claims

1. A portable telescopic pantograph static maintenance support rod device, characterized by: It comprises a first circular tube (3), a second circular tube (5) and a third circular tube (7) which are telescopically connected in sequence, wherein a top support seat (1) is installed on the top of the first circular tube (3), and a bottom support seat (9) is installed on the bottom of the third circular tube (7).

2. The portable telescopic pantograph static maintenance support rod device according to claim 1, characterized in that: The top support seat (1) and the first circular tube (3) are connected via a top support seat fixing nut (2); and the third circular tube (7) and the bottom support seat (9) are connected via a bottom support seat threaded rod (8).

3. The portable telescopic pantograph static maintenance support rod device according to claim 2, characterized in that: The top support seat (1) is fixedly connected to the top support seat fixing nut (2); a threaded rod is provided at the top end of the first round tube (3); and the top support seat fixing nut (2) is threadedly connected to the threaded rod at the top end of the first round tube (3).

4. The portable telescopic pantograph static maintenance support rod device according to claim 2, characterized in that: The bottom support seat (9) is fixedly connected to the bottom support seat threaded rod (8); an internal thread is provided at the bottom of the third round tube (7); and the bottom support seat threaded rod (8) is threadedly connected to the internal thread at the bottom of the third round tube (7).

5. The portable telescopic pantograph static maintenance support rod device according to claim 1, characterized in that: A first telescopic retaining ring (4) is provided between the first circular tube (3) and the second circular tube (5); a first positioning pin is provided on the outside of the first telescopic retaining ring (4); the first circular tube (3) adjusts the length of the support rod through the first positioning pin on the first telescopic retaining ring (4); and the material of the first telescopic retaining ring (4) is metal.

6. The portable telescopic pantograph static maintenance support rod device according to claim 1, characterized in that: A second telescopic guard ring (6) is provided between the second circular tube (5) and the third circular tube (7); a second positioning pin is provided on the outside of the second telescopic guard ring (6); the second circular tube (5) adjusts the length of the support rod through the second positioning pin on the second telescopic guard ring (6); and the material of the second telescopic guard ring (6) is metal.

7. The portable telescopic pantograph static maintenance support rod device according to claim 1, characterized in that: The first round tube (3), the second round tube (5) and the third round tube (7) are all made of aluminum alloy.

8. The portable telescopic pantograph static maintenance support rod device according to claim 1, characterized in that: The top support seat (1) and the bottom support seat (9) are both made of stainless steel.

9. The portable telescopic pantograph static maintenance support rod device according to claim 1, characterized in that: The diameters of the first circular tube (3), the second circular tube (5) and the third circular tube (7) increase in sequence; the bottom end surfaces of the first circular tube (3) and the second circular tube (5) are both provided with rubber cups, the rubber cup of the first circular tube (3) contacts the inner wall of the second circular tube (5); and the rubber cup of the second circular tube (5) contacts the inner wall of the third circular tube (7).

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