Mounting structure for sliding contact line power supply

Abstract

The utility model relates to the technical field of electrical installation, and discloses an installation structure for sliding contact line power supply, which comprises a sliding contact line main body, a carbon brush and a support connected with an external power supply device, the tail end of the support is provided with an installation block, and the carbon brush comprises a brush head inserted in the sliding contact line main body and a brush seat arranged on the installation block. A mounting groove corresponding to the brush seat is formed in the mounting block, the brush seat is in sliding fit with the mounting groove, a limiting piece used for limiting the brush seat is arranged in the mounting groove, a bearing plate used for bearing the brush seat is arranged at the position, close to the bottom, of the mounting groove in the height direction of the mounting groove in a sliding mode, and an elastic jacking piece is arranged between the bearing plate and the inner bottom wall of the mounting groove. The application has the effect of improving the power supply stability of the sliding contact line.

Description

Technical Field

[0001] This application relates to the technical field of electrical installation, and in particular to an installation structure for supplying power by a sliding contact wire. Background Art

[0002] In modern industrial production, the sliding contact wire power supply system is widely used in the power supply of mobile devices such as cranes and electric hoists due to its flexibility and reliability.

[0003] Currently, the common sliding contact wire installation structures on the market mostly adopt a simple bracket fixing method. Although this method is simple and easy to implement, during long-term use, due to the influence of factors such as vibration and temperature changes, problems such as loosening and displacement are likely to occur, affecting the stability and safety of power supply.

[0004] Chinese Patent with Publication No. CN212687376U discloses a sliding contact wire power supply device, including a device body and a mounting plate. The bottom of the mounting plate is fixedly connected with a support plate. One side of the support plate is provided with a chute, and a sliding rod is fixedly connected in the chute. A slider is slidably sleeved on the sliding rod, and one end of the slider is fixedly connected with the outer wall of the device body. A cavity is provided in the mounting plate, and a screw rod is rotatably connected in the cavity. A first gear is fixedly sleeved on the screw rod, and a second gear meshing with the first gear is provided in the cavity. The second gear and the inner wall of the cavity are rotatably connected through a rotating rod.

[0005] Through the setting of the adjustment mechanism in the above-mentioned sliding contact wire power supply device, the device can be freely adjusted during the installation process, thereby improving the installation efficiency of the device. However, during the use of the device, the carbon brush at the top of the slider is always in a state of closely adhering to the sliding contact wire. Otherwise, it is difficult to achieve continuous and uninterrupted power supply. Therefore, the consumption of the carbon brush is very serious, and it needs to be replaced regularly, which shortens the service life of the sliding contact wire and also reduces the stability of the sliding contact wire power supply. Summary of the Utility Model

[0006] In order to improve the stability of the sliding contact wire power supply, this application provides an installation structure for supplying power by a sliding contact wire.

[0007] An installation structure for supplying power by a sliding contact wire provided by this application adopts the following technical solutions:

[0008] An installation structure for pantograph power supply, including a pantograph main body, a carbon brush, and a bracket connecting an external power supply device. An installation block is provided at the end of the bracket. The carbon brush includes a brush head inserted into the pantograph main body and a brush base provided on the installation block. An installation groove is provided on the installation block corresponding to the brush base. The brush base is slidably matched with the installation groove, and a limiting member for limiting the brush base is provided in the installation groove. A supporting plate for supporting the brush base is slidably arranged along the height direction of the installation groove near the bottom of the installation groove. An elastic supporting member is provided between the supporting plate and the inner bottom wall of the installation groove.

[0009] By adopting the above technical solution, the sliding fit between the brush base and the installation groove, combined with the arrangement of the limiting member and the elastic supporting member, enables the brush base to have a certain movement space in the installation groove, which can not only ensure the stable contact between the brush head and the pantograph main body, but also avoid excessive wear of the brush head, thereby prolonging the service life of the carbon brush and improving the stability of pantograph power supply.

[0010] Optionally, the elastic supporting member is a plurality of compression springs arranged between the supporting plate and the inner bottom wall of the installation groove. Each compression spring abuts between the supporting plate and the inner bottom wall of the installation groove along the height direction of the installation groove.

[0011] By adopting the above technical solution, the elastic action of the compression spring enables the supporting plate to stably support the brush base as needed and ensures an appropriate contact pressure between the brush head and the pantograph main body.

[0012] Optionally, sliding blocks are provided on both sides of the supporting plate along the height direction of the installation groove. Corresponding to the sliding blocks, sliding grooves are opened on the inner side wall of the installation block along the height direction of the installation groove. The sliding blocks are slidably matched with the sliding grooves.

[0013] By adopting the above technical solution, the sliding fit between the sliding blocks and the sliding grooves can play a guiding and limiting role, enabling the supporting plate to stably slide along the height direction of the installation groove and avoiding deviation, further improving the sliding stability of the carbon brush.

[0014] Optionally, an adjusting plate is also slidably arranged between the supporting plate and the inner bottom wall of the installation groove. The adjusting plate is parallel to the supporting plate. A plurality of compression springs all abut between the adjusting plate and the supporting plate. And a screw rod is rotatably inserted through the inner bottom wall of the installation groove by threads. The length direction of the screw rod is parallel to the height direction of the installation groove. One end of the screw rod is connected to the side wall of the adjusting plate far from the supporting plate through a bearing, and the other end extends out of the installation block.

[0015] By adopting the above technical solution, the rotating screw can adjust the distance between the supporting plate and the inner bottom wall of the installation groove, thereby adjusting the elastic force of several compression springs acting on the supporting plate, and further adjusting the pressing force of the supporting plate on the limiting brush holder, so that the carbon brush can be applicable to different models of trolley wire bodies, thus improving the applicability of the installation structure.

[0016] Optionally, convex blocks are arranged on both sides of the adjusting plate along the height direction of the installation groove, and the convex blocks are slidably arranged in the sliding grooves and are in sliding fit with the sliding grooves.

[0017] By adopting the above technical solution, the sliding fit between the convex blocks and the sliding grooves can ensure that the distance between the adjusting plate and the supporting plate is equal everywhere, and further make the elastic forces generated by several arranged compression springs relative to the supporting plate be evenly distributed, further improving the sliding stability of the adjusting plate.

[0018] Optionally, limiting grooves are opened on both sides of the installation groove along its own length direction. The two limiting grooves are located in the same horizontal direction and are arranged along the direction perpendicular to the height direction of the installation groove. The limiting member includes a limiting block slidably arranged in the limiting groove, a driving rod arranged on the opposite sides of the two limiting blocks, and a spring sleeved on the driving rod. The driving rod slidably penetrates through the side wall of the installation block along the sliding direction of the limiting block, and an end block is arranged at the end of the driving rod extending out of the installation block. The spring is located in the limiting groove and abuts between the inner side wall of the limiting groove and the limiting block.

[0019] By adopting the above technical solution, the setting of the limiting block can prevent the brush holder from disengaging from the installation groove during operation; when the carbon brush needs to be replaced, only by pulling the end block can the limiting block be slid into the limiting groove until the limiting block completely retracts into the limiting groove. At this time, the whole carbon brush can be taken out from the installation groove. The coordinated setting of the limiting groove, the limiting block, the driving rod, the spring and the end block improves the convenience of installing and disassembling the carbon brush, simplifies the operation steps, and greatly improves the installation efficiency.

[0020] Optionally, a guiding inclined surface is arranged on the part of the limiting block extending out of the limiting groove in the natural state towards the side of the open end of the installation groove.

[0021] By adopting the above technical solution, the setting of the guiding inclined surface plays a guiding role in the installation of the brush holder, facilitating the quick insertion of the brush holder into the installation groove, and under the elastic recovery characteristic of the compression spring, the limiting block realizes the limitation of the brush holder.

[0022] Optionally, a plug-in portion is arranged at the end of the screw rod extending out of the installation block. A rotary cover is sleeved on the plug-in portion, and a plug for positioning the rotary cover is rotationally arranged at the end of the plug-in portion through threads.

[0023] By adopting the above technical solution, the setting of the screw cap facilitates the operator to rotate the screw, thereby adjusting the compression amount of the compression spring. At the same time, the cooperation setting among the insertion part, the screw cap and the plug head facilitates the disassembly of the screw cap to realize the disassembly and assembly among the screw, the adjusting plate and the supporting plate, which is convenient for the operator to replace the components inside the installation structure, thus reducing the maintenance cost.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. By adopting the sliding fit between the brush holder and the installation groove, and the setting of the limiting part and the elastic supporting part, the brush holder has a certain activity space in the installation groove, which can not only ensure the stable contact between the brush head and the main body of the sliding contact wire, but also avoid excessive wear of the brush head, thereby prolonging the service life of the carbon brush and improving the stability of the power supply of the sliding contact wire;

[0026] 2. The elastic action of the compression spring enables the supporting plate to stably support the brush holder as needed and ensures that the contact pressure between the brush head and the main body of the sliding contact wire is appropriate;

[0027] 3. The sliding fit between the slider and the chute can play a role in guiding and limiting, enabling the supporting plate to slide stably along the height direction of the installation groove and avoiding deviation, further improving the stability of the carbon brush sliding. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present application.

[0029] Figure 2 is a sectional view of the connection relationship between the carbon brush and the installation block in an embodiment of the present application.

[0030] Description of the reference numerals:

[0031] 1. Main body of the sliding contact wire; 2. Carbon brush; 21. Brush head; 22. Brush holder; 3. Bracket; 4. Installation block; 41. Installation groove; 42. Limiting groove; 43. Chute; 5. Limiting part; 51. Limiting block; 511. Guide inclined surface; 52. Driving rod; 521. End block; 53. Spring; 6. Supporting plate; 61. Slider; 7. Elastic supporting part; 71. Compression spring; 8. Adjusting plate; 81. Convex block; 9. Screw; 91. Insertion part; 911. Screw cap; 912. Plug head. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] The following will Figure 1-2 be further described in detail with reference to the

[0033] The embodiment of the present application discloses an installation structure for sliding contact wire power supply.

[0034] Refer toFigure 1 and Figure 2 A mounting structure for pantograph power supply includes a pantograph main body 1, a carbon brush 2, and a bracket 3. An installation block 4 is hinged and installed at the end of the bracket 3. The carbon brush 2 consists of a brush head 21 and a brush base 22. The brush head 21 is inserted into the pantograph main body 1. An installation groove 41 corresponding to the brush base 22 is provided on the installation block 4, and the brush base 22 is detachably installed in the installation groove 41 on the installation block 4. A limiting member 5 is further provided in the installation groove 41 to ensure the stability of the brush base 22 in the installation groove 41. In addition, a supporting plate 6 is provided at a position near the bottom of the installation groove 41. The supporting plate 6 can slide along the height direction of the installation groove 41, and an elastic top support member 7 is provided between the supporting plate 6 and the inner bottom wall of the installation groove 41 to provide a stable supporting force for the brush base 22.

[0035] Refer to Figure 1 and Figure 2 During use, the brush head 21 remains in stable contact with the pantograph main body 1 to provide continuous power supply for the mobile device. When the brush head 21 shortens due to wear, the brush base 22 will automatically adjust its position in the installation groove 41 to ensure the stable contact between the brush head 21 and the pantograph main body 1. At the same time, the combined action of the elastic top support member 7 and the limiting member 5 keeps the brush base 22 in the correct position all the time, thereby improving the stability and safety of power supply.

[0036] Refer to Figure 2 The brush base 22 and the installation groove 41 adopt a sliding fit, so that the brush base 22 has a certain movement space in the installation groove 41. Limiting grooves 42 are provided on both sides of the installation groove 41 along its own length direction, and the two limiting grooves 42 are located in the same horizontal direction and are arranged along the height direction perpendicular to the installation groove 41. The limiting member 5 in this embodiment includes a limiting block 51, a driving rod 52, and a spring 53. One limiting block 51 is slidably provided corresponding to each limiting groove 42, and a guiding inclined surface 511 is provided on the part of the limiting block 51 extending out of the limiting groove 42 toward the open side of the installation groove 41 in the natural state.

[0037] Refer to Figure 2 The driving rod 52 is fixedly provided on the side walls of the two limiting blocks 51 facing away from each other, and slidably penetrates through the side wall of the installation block 4 along the sliding direction of the limiting block 51. An end block 521 is fixedly provided at the end of the driving rod 52 extending out of the installation block 4, and the end block 521 is in contact with the side wall of the installation block 4. The spring 53 is located in the limiting groove 42 and abuts between the inner side wall of the corresponding limiting groove 42 and the limiting block 51.

[0038] Refer to Figure 2, on both sides of the supporting plate 6 along the height direction of the installation groove 41, sliding blocks 61 are fixedly arranged. Corresponding to the sliding blocks 61, sliding grooves 43 are opened on the inner side wall of the installation block 4 along the height direction of the installation groove 41. The sliding blocks 61 are in sliding fit with the sliding grooves 43. Between the supporting plate 6 and the inner bottom wall of the installation groove 41, an adjusting plate 8 is also slidably arranged. The adjusting plate 8 is arranged in parallel with the supporting plate 6. On both sides of the adjusting plate 8 along the height direction of the installation groove 41, convex blocks 81 are fixedly arranged. The convex blocks 81 are slidably arranged in the sliding grooves 43 and are in sliding fit with the sliding grooves 43.

[0039] Referring to Figure 2 , in this embodiment, the elastic top support member 7 is a plurality of compression springs 71 arranged between the supporting plate 6 and the adjusting plate 8. Each compression spring 71 abuts between the supporting plate 6 and the adjusting plate 8 along the height direction of the installation groove 41.

[0040] Referring to Figure 2 , on the inner bottom wall of the installation groove 41, a screw rod 9 is rotatably inserted through threads. The length direction of the screw rod 9 is parallel to the height direction of the installation groove 41. One end of the screw rod 9 is installed on the side wall of the adjusting plate 8 away from the supporting plate 6 through a bearing, and the other end extends out of the installation block 4. An insertion part 91 is integrally formed at the end of the screw rod 9 extending out of the installation block 4. A rotary cover 911 is slidably sleeved on the insertion part 91, and a plug 912 for positioning the rotary cover 911 is rotatably arranged at the end of the insertion part 91 through threads.

[0041] The implementation principle of an installation structure for sliding contact line power supply in an embodiment of the present application is as follows: Insert the brush holder 22 of the carbon brush 2 into the installation groove 41 along the guiding surface of the limiting block 51. Under the action of the compression spring 71, the brush holder 22 of the carbon brush 2 is limited between the limiting block 51 and the supporting plate 6. At this time, according to the requirements of different models of the sliding contact line main body 1, rotate the rotary cover 911 to adjust the position of the adjusting plate 8 at this time, so that the contact pressure between the brush head 21 and the sliding contact line main body 1 is adjusted, further improving the stability and safety of power supply;

[0042] When it is necessary to disassemble and assemble the brush holder 22, only need to pull the end block 521 in the direction away from the installation block 4, so that the limiting block 51 retracts into the limiting groove 42. At this time, the brush holder 22 can be taken out of the installation groove 41.

[0043] The above are all preferred embodiments of the present application. The protection scope of the present application is not limited by this. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A busbar power supply installation structure, comprising a busbar body (1), a carbon brush (2) and a bracket (3) for connecting an external power supply device, characterized in that: A mounting block (4) is arranged at the end of the bracket (3); the carbon brush (2) comprises a brush head (21) inserted into the busbar body (1) and a brush seat (22) arranged on the mounting block (4); a mounting groove (41) is arranged on the mounting block (4) corresponding to the brush seat (22); the brush seat (22) and the mounting groove (41) are slidably matched, and a limiting member (5) for limiting the position of the brush seat (22) is arranged in the mounting groove (41); a supporting plate (6) for supporting the brush seat (22) is slidably arranged near the bottom of the mounting groove (41) along the height direction of the mounting groove (41); and an elastic supporting member (7) is arranged between the supporting plate (6) and the inner bottom wall of the mounting groove (41).

2. The installation structure for busbar power supply according to claim 1, characterized in that: The elastic supporting member (7) is a plurality of compression springs (71) arranged between the supporting plate (6) and the inner bottom wall of the mounting groove (41), and each compression spring (71) abuts between the supporting plate (6) and the inner bottom wall of the mounting groove (41) along the height direction of the mounting groove (41).

3. The installation structure for busbar power supply according to claim 2, characterized in that: The support plate (6) is provided with slide blocks (61) on both sides along the height direction of the installation groove (41); a slide groove (43) is provided on the inner side wall of the installation block (4) corresponding to the slide block (61) along the height direction of the installation groove (41); the slide block (61) and the slide groove (43) are slidably matched.

4. The installation structure for busbar power supply according to claim 3, characterized in that: An adjustment plate (8) is also slidably arranged between the support plate (6) and the inner bottom wall of the mounting groove (41); the adjustment plate (8) and the support plate (6) are arranged in parallel; a plurality of compression springs (71) are all in contact between the adjustment plate (8) and the support plate (6); and a screw rod (9) is rotatably provided on the inner bottom wall of the mounting groove (41); the length direction of the screw rod (9) is parallel to the height direction of the mounting groove (41); one end of the screw rod (9) is connected to the side wall of the adjustment plate (8) away from the support plate (6) through a bearing, and the other end extends out of the mounting block (4).

5. The installation structure for busbar power supply according to claim 4, characterized in that: The adjustment plate (8) is provided with protrusions (81) on both sides along the height direction of the installation groove (41); the protrusions (81) are slidably arranged in the slide groove (43) and are slidably matched with the slide groove (43).

6. The installation structure for busbar power supply according to claim 1, characterized in that: The mounting groove (41) is provided with limiting grooves (42) on both sides along its length direction. The two limiting grooves (42) are located in the same horizontal direction and are arranged along a height direction perpendicular to the mounting groove (41). The limiting member (5) comprises a limiting block (51) slidably arranged in the limiting groove (42), a driving rod (52) arranged on the opposite sides of the two limiting blocks (51), and a spring (53) sleeved on the driving rod (52). The driving rod (52) slides through the side wall of the mounting block (4) along the sliding direction of the limiting block (51), and an end block (521) is arranged at the end of the driving rod (52) extending out of the mounting block (4). The spring (53) is located in the limiting groove (42) and abuts between the inner side wall of the limiting groove (42) and the limiting block (51).

7. The installation structure for busbar power supply according to claim 6, characterized in that: A guide slope (511) is provided on one side of the portion of the limit block (51) extending out of the limit slot (42) in the natural state and facing the opening of the installation slot (41).

8. The installation structure for busbar power supply according to claim 4, characterized in that: The end of the screw rod (9) extending out of the mounting block (4) is provided with an inserting portion (91), a screw cap (911) is sleeved on the inserting portion (91), and a plug (912) for positioning the screw cap (911) is provided at the end of the inserting portion (91) through threaded rotation.

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