Motor train unit brake pad installation tool

Abstract

The utility model belongs to the technical field of mounting tools, and particularly relates to a motor train unit brake pad mounting tool which comprises a main clamp and a comfort device, the inner wall of the main clamp is rotatably connected with a rotating shaft, and the surface of the rotating shaft is rotatably connected with an auxiliary clamp; comfortable devices are arranged on the surfaces of the main pincers and the auxiliary pincers and comprise expansion plates, the expansion plates are located on one sides of the auxiliary pincers, the side walls of the expansion plates are fixedly connected with two elastic belts, the two elastic belts are located at the upper end and the lower end of the auxiliary pincers respectively, and supporting strips are fixedly connected to the positions, close to the elastic belts, of the surfaces of the auxiliary pincers. Two protection devices are arranged on the surface of the rotating shaft, the two protection devices are located on the surfaces of the main pliers and the auxiliary pliers respectively, each protection device comprises a protective cover, the protective covers are arranged on the surface of the rotating shaft in a sleeving mode, and two elastic rings are fixedly connected to the surfaces of the protective covers; by arranging the main clamp and the auxiliary clamp, the motor train unit brake lining can be conveniently installed and fixed, meanwhile, fatigue can be relieved when a plurality of motor train unit brake linings are installed, and the situation that operation is affected due to insufficient comfort is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of installation tooling, in particular to an installation tooling for brake pads of EMUs. Background Art

[0002] Installation tooling mainly refers to the customized and installed corresponding process equipment or work clothes for specific working or production environments. In the field of mechanical production and processing, tooling generally refers to the general term for various tools used in the manufacturing process, including cutting tools, jigs, molds, measuring tools, inspection tools, auxiliary tools, fitter tools, station tools, etc.

[0003] Regarding the above and existing related technologies, the inventor believes that there are often the following defects: when it is necessary to install brake pads of EMUs, it is generally necessary to use special installation tooling. Since most installation tooling is relatively simple, when it is necessary to install multiple brake pads of EMUs, it is very likely that the operation efficiency will be affected due to insufficient operation comfort. Therefore, an installation tooling for brake pads of EMUs is proposed for the above problems. Summary of the Utility Model

[0004] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art.

[0005] The technical solution adopted by the utility model to solve its technical problems is: the installation tooling for brake pads of EMUs described in the utility model includes a main clamp and a comfort device. A rotating shaft is rotatably connected to the inner wall of the main clamp, and a sub-clamp is rotatably connected to the surface of the rotating shaft. Comfort devices are provided on the surfaces of the main clamp and the sub-clamp. The comfort device includes an expansion plate. The expansion plate is located on one side of the sub-clamp. Two elastic bands are fixedly connected to the side wall of the expansion plate, and the two elastic bands are respectively located at the upper and lower ends of the sub-clamp. A support bar is fixedly connected to the surface of the sub-clamp near the elastic band. The support bar is inserted into the elastic band to drag the elastic band to stretch the elastic band. After the elastic band is sleeved on the surface of the support bar, a holding soft pad and the expansion plate are held. By setting the expansion plate and the soft pad, the contact area between the sub-clamp and the palm can be increased, and the situation that the operation is affected due to insufficient comfort during long-term use can be reduced.

[0006] Preferably, two limiting bars are fixedly connected to the side wall of the support bar, and the elastic band is inserted into the position between the two limiting bars. When the elastic band moves, the elastic band will be inserted into the position between the two limiting bars, and the limiting bars can limit the position of the elastic band.

[0007] Preferably, receiving blocks are fixedly connected to both the upper and lower ends of the sub-clamp. A clamping block is fixedly connected to the side wall of the expansion plate near the receiving block. The clamping block is inserted into the inner wall of the receiving block. When the clamping block is inserted into the inner wall of the receiving block, the clamping block and the receiving block can limit the position of the expansion plate.

[0008] Preferably, a storage groove is provided on the surface of the storage block, and the card block is inserted into the inner wall of the storage groove of the storage block. When the card block slides, the card block is inserted into the inner wall of the storage groove of the storage block, and the storage groove is opened to accommodate the card block.

[0009] Preferably, two protective devices are provided on the surface of the rotating shaft, and the two protective devices are respectively located on the surface of the main pliers and the auxiliary pliers, the protective device includes a shield, the shield is sleeved on the surface of the rotating shaft, two elastic rings are fixedly connected to the surface of the shield, and a limiting column is fixedly connected to the surface of the auxiliary pliers near the elastic ring, the limiting column is inserted into the inner wall of the elastic ring, the elastic ring is pulled to stretch it, and then the elastic ring is sleeved on the surface of the limiting column. The rotating shaft can be protected by setting the shield.

[0010] Preferably, a guide ring is fixedly connected to the inner surface of the shield, and the guide ring is sleeved on the surface of the rotating shaft. When lubricating oil is added, the lubricating oil will be guided to the rotating shaft by the guide ring. By setting the guide ring, the lubricating oil can be guided to reduce the overflow of the lubricating oil.

[0011] Preferably, a sealing plug is inserted into the inner wall of the shield. After the lubricating oil is added, the sealing plug is pushed to be inserted into the inner wall of the shield. The provision of the sealing plug can increase the sealing performance of the shield.

[0012] The utility model is beneficial in that:

[0013] 1. When the brake pad of the EMU needs to be installed, the expansion plate is pushed to make the expansion plate fit the auxiliary clamp. When the expansion plate moves, the card block is driven to slide, and the card block is inserted into the inner wall of the storage groove of the storage block. Then the elastic band is pulled to stretch the elastic band, and then the elastic band is passed through the support bar and the limit bar. After the elastic band passes through, the elastic band is loosened to make the elastic band fit the support bar and the limit bar. When using, the palm is held on the surface of the soft pad and the expansion plate; when installing the brake pad of the EMU, the main clamp groove is used to press against the arc head of the cotter pin, and the auxiliary clamp tip part is used to hang the cotter pin After clamping the main and auxiliary pliers firmly at the long end of the pin tail, use the groove as a fulcrum to rotate the main and auxiliary pliers, bend the long end of the cotter pin tail by about 45 degrees, and then insert the tip of the auxiliary pliers into the gap between the long and short ends of the tail. After clamping the main and auxiliary pliers firmly, use the top of the auxiliary pliers tip to press against the short end of the cotter pin, and bend the short end to the other side by about 45 degrees to complete the installation. By setting the main and auxiliary pliers, the EMU brake pads can be easily installed and fixed. At the same time, it can also relieve fatigue when installing multiple EMU brake pads and reduce the situation where insufficient comfort affects the operation.

[0014] 2. When using the main clamp and the auxiliary clamp of the present utility model, push the protective cover to sleeved on the surface of the rotating shaft, then pull the elastic ring to stretch it, and then sleeved the elastic ring on the surface of the limit post. Before using the main clamp and the auxiliary clamp, pull the sealing plug to pull it out of the protective cover, and then add lubricating oil into the sealing plug. The lubricating oil will be guided by the diversion ring to the rotating shaft and cover the surface of the rotating shaft. After the lubricating oil is added, re - insert the sealing plug into the inner wall of the protective cover. By setting the protective cover, the rotating shaft can be protected and the situation of the rotating shaft being covered by particulate matter can be reduced. At the same time, the diversion ring can guide the lubricating oil. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following - described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0016] Figure 1 It is a three - dimensional structure schematic diagram of the main clamp in the brake pad installation tooling for EMUs;

[0017] Figure 2 For the brake pad installation tooling for EMUs Figure 1 Schematic diagram of the structure at position A;

[0018] Figure 3 It is a top - view structure schematic diagram of the expansion plate in the brake pad installation tooling for EMUs;

[0019] Figure 4 It is a side - view structure schematic diagram of the auxiliary clamp in the brake pad installation tooling for EMUs;

[0020] Figure 5 For the brake pad installation tooling for EMUs Figure 4 Schematic diagram of the structure at position B.

[0021] In the figure: 1, main clamp; 2, auxiliary clamp; 3, comfort device; 31, expansion plate; 32, elastic band; 33, support bar; 34, limit bar; 35, soft pad; 36, clamping block; 37, storage block; 38, storage groove; 4, protection device; 41, protective cover; 42, elastic ring; 43, limit post; 44, diversion ring; 45, sealing plug; 5, rotating shaft. Detailed Embodiments

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-5 As shown, the brake pad installation tooling for multiple unit trains includes a main clamp 1 and a comfort device 3. A rotating shaft 5 is rotatably connected to the inner wall of the main clamp 1, and a sub-clamp 2 is rotatably connected to the surface of the rotating shaft 5; comfort devices 3 are provided on the surfaces of both the main clamp 1 and the sub-clamp 2. The comfort device 3 includes an expansion plate 31. The expansion plate 31 is located on one side of the sub-clamp 2. Two elastic bands 32 are fixedly connected to the side wall of the expansion plate 31, and the two elastic bands 32 are respectively located at the upper and lower ends of the sub-clamp 2. A support bar 33 is fixedly connected to the surface of the sub-clamp 2 near the elastic band 32. The support bar 33 is inserted into the inner surface of the elastic band 32. A soft pad 35 is fixedly connected to the end of the expansion plate 31 away from the sub-clamp 2. During operation, the two expansion plates 31 are respectively attached to the surfaces of the main clamp 1 and the sub-clamp 2, and then the elastic bands 32 are pulled to stretch the elastic bands 32. After the elastic bands 32 are sleeved on the support bars 33, the soft pads 35 and the expansion plates 31 are held. By providing the expansion plates 31 and the soft pads 35, the contact area between the sub-clamp 2 and the palm can be increased, and the situation that the operation is affected due to insufficient comfort during long-term use can be reduced.

[0024] Two limiting bars 34 are fixedly connected to the side wall of the support bar 33. The elastic band 32 is inserted into the position between the two limiting bars 34. During operation, the elastic band 32 will be inserted into the position between the two limiting bars 34, and the limiting bars 34 can limit the position of the elastic band 32.

[0025] Receiving blocks 37 are fixedly connected to both the upper and lower ends of the sub-clamp 2. A clamping block 36 is fixedly connected to the side wall of the expansion plate 31 near the receiving block 37. The clamping block 36 is inserted into the inner wall of the receiving block 37. During operation, the expansion plate 31 drives the clamping block 36 to slide, and the clamping block 36 is inserted into the inner wall of the receiving block 37. The clamping block 36 and the receiving block 37 can limit the position of the expansion plate 31.

[0026] A receiving groove 38 is formed on the surface of the receiving block 37. The clamping block 36 is inserted into the inner wall of the receiving groove 38 of the receiving block 37. During operation, the clamping block 36 is inserted into the inner wall of the receiving groove 38 of the receiving block 37, and the formation of the receiving groove 38 can receive the clamping block 36.

[0027] Two protection devices 4 are provided on the surface of the rotating shaft 5, and the two protection devices 4 are respectively located on the surfaces of the main clamp 1 and the sub-clamp 2. The protection device 4 includes a protective cover 41. The protective cover 41 is sleeved on the surface of the rotating shaft 5. Two elastic rings 42 are fixedly connected to the surface of the protective cover 41. A limiting column 43 is fixedly connected to the surface of the sub-clamp 2 near the elastic ring 42. The limiting column 43 is inserted into the inner wall of the elastic ring 42. During operation, the protective cover 41 is pushed to be sleeved on the surface of the rotating shaft 5, then the elastic ring 42 is pulled to stretch the elastic ring 42, and then the elastic ring 42 is sleeved on the surface of the limiting column 43. By providing the protective cover 41, the rotating shaft 5 can be protected.

[0028] A diversion ring 44 is fixedly connected to the inner surface of the protective cover 41. The diversion ring 44 is sleeved on the surface of the rotating shaft 5. During operation, the lubricating oil will be guided to the rotating shaft 5 by the diversion ring 44. By providing the diversion ring 44, the lubricating oil can be guided to reduce the situation of lubricating oil overflow.

[0029] A sealing plug 45 is inserted into the inner wall of the protective cover 41. During operation, the sealing plug 45 is pushed to be inserted into the inner wall of the protective cover 41. The setting of the sealing plug 45 can increase the sealing performance of the protective cover 41.

[0030] Working principle: when the brake pad of the EMU needs to be installed, push the expansion plate 31 to make the expansion plate 31 fit the auxiliary clamp 2. When the expansion plate 31 moves, it will drive the block 36 to slide. The block 36 is inserted into the inner wall of the storage groove 38 of the storage block 37, and then the elastic band 32 is pulled to stretch the elastic band 32, and then the elastic band 32 is passed through the support bar 33 and the limit bar 34. After the elastic band 32 passes through, the elastic band 32 is loosened to make the elastic band 32 fit the support bar 33 and the limit bar 34. When in use, hold the palm of your hand on the surface of the cushion 35 and the expansion plate 31; when installing the brake pad of the EMU, use the groove of the main clamp 1 to press against the arc-shaped head of the split pin, and use the tip of the auxiliary clamp 2 to hang the long end of the tail of the split pin. After clamping the main clamp 1 and the auxiliary clamp 2, use the groove as a fulcrum to rotate the main clamp 1 and the auxiliary clamp 2, bend the long end of the tail of the split pin to deviate by about 45 degrees, and then insert the tip of the auxiliary clamp 2 into the gap between the long and short ends of the tail, clamp the main clamp 1 and the auxiliary clamp 2, and press against the top of the tip of the auxiliary clamp 2. The short end of the cotter pin is bent about 45 degrees to the other side to complete the installation. By setting the main clamp 1 and the auxiliary clamp 2, the EMU brake pad can be easily installed and fixed. At the same time, fatigue can be relieved when installing multiple EMU brake pads, and the situation that insufficient comfort affects the operation is reduced. When using the main clamp 1 and the auxiliary clamp 2, the shield 41 is pushed to let the shield 41 be sleeved on the surface of the rotating shaft 5, and then the elastic ring 42 is pulled to stretch the elastic ring 42, and then the elastic ring 42 is sleeved on the surface of the limit column 43. Before using the main clamp 1 and the auxiliary clamp 2, the sealing plug 45 is pulled to pull the sealing plug 45 out of the shield 41, and then lubricating oil is added to the sealing plug 45. The lubricating oil will be guided to the rotating shaft 5 by the guide ring 44, and the lubricating oil will cover the surface of the rotating shaft 5. After the lubricating oil is added, the sealing plug 45 is re-inserted into the inner wall of the shield 41. By setting the shield 41, the rotating shaft 5 can be protected, and the situation that the rotating shaft 5 is covered by particulate matter can be reduced. At the same time, the guide ring 44 can guide the lubricating oil.

[0031] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A brake pad installation tool for a train set, comprising a main clamp (1) and a comfort device (3), wherein the inner wall of the main clamp (1) is rotatably connected to a rotating shaft (5), and the surface of the rotating shaft (5) is rotatably connected to an auxiliary clamp (2); characterized in that: The surfaces of the main pliers (1) and the auxiliary pliers (2) are both provided with a comfort device (3), the comfort device (3) comprising an expansion plate (31), the expansion plate (31) being located on one side of the auxiliary pliers (2), the side wall of the expansion plate (31) being fixedly connected to two elastic bands (32), and the two elastic bands (32) being respectively located at the upper and lower ends of the auxiliary pliers (2), a support strip (33) being fixedly connected to the surface of the auxiliary pliers (2) near the elastic band (32), the support strip (33) being inserted into the inner surface of the elastic band (32), and a soft pad (35) being fixedly connected to one end of the expansion plate (31) away from the auxiliary pliers (2).

2. The EMU brake pad installation tool according to claim 1 is characterized in that: The side wall of the support bar (33) is fixedly connected to two limit bars (34), and the elastic band (32) is inserted between the two limit bars (34).

3. The EMU brake pad installation tool according to claim 1, characterized in that: The upper and lower ends of the auxiliary clamp (2) are fixedly connected to a receiving block (37), and the side wall of the expansion plate (31) is fixedly connected to a clamping block (36) near the receiving block (37), and the clamping block (36) is inserted into the inner wall of the receiving block (37).

4. The EMU brake pad installation tool according to claim 3 is characterized in that: A storage groove (38) is provided on the surface of the storage block (37), and the clamping block (36) is inserted into the inner wall of the storage groove (38) of the storage block (37).

5. The EMU brake pad installation tool according to claim 1, characterized in that: The surface of the rotating shaft (5) is provided with two protection devices (4), and the two protection devices (4) are respectively located on the surface of the main pliers (1) and the auxiliary pliers (2), the protection device (4) comprises a shield (41), the shield (41) is sleeved on the surface of the rotating shaft (5), the surface of the shield (41) is fixedly connected with two elastic rings (42), the surface of the auxiliary pliers (2) is fixedly connected with a limiting column (43) at a position close to the elastic ring (42), and the limiting column (43) is inserted into the inner wall of the elastic ring (42).

6. The EMU brake pad installation tool according to claim 5, characterized in that: The inner surface of the shield (41) is fixedly connected with a guide ring (44), and the guide ring (44) is sleeved on the surface of the rotating shaft (5).

7. The EMU brake pad installation tool according to claim 5, characterized in that: A sealing plug (45) is inserted into the inner wall of the protective cover (41).

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