An auxiliary trolley for installing an electrophoresis chamber for pretreatment of automotive coating.

Abstract

This utility model relates to the field of automotive painting auxiliary equipment technology, specifically an auxiliary trolley for installing an electrophoresis chamber for automotive pre-painting. It includes a power mechanism, a main frame of the trolley, kick plates, railings, limiting grooves, a railing door, a trolley positioning and locking mechanism, a patterned steel plate, and a lifting mechanism. The power mechanism is located on both sides of the main frame of the trolley. The railings are fixed along the four perimeters of the main frame, and the kick plates are fixed around the perimeter of the railings. A railing door is located on one side of the railing above one set of power mechanisms. Four trolley positioning and locking mechanisms are respectively located on the main frame of the trolley. Each railing corresponding to a positioning and locking mechanism has a limiting groove. The patterned steel plate is fixedly laid on the upper surface of the main frame of the trolley. The lifting mechanism is located inside the installation auxiliary trolley. This utility model allows for rapid movement and changes in the construction area, greatly shortening the work surface transfer time and improving installation efficiency. It is faster and more labor-saving than manual handling.

Description

Technical Field

[0001] This utility model relates to the field of automotive painting auxiliary equipment technology, specifically to an auxiliary trolley for installing an electrophoresis chamber for automotive pre-painting. Background Technology

[0002] In automotive painting workshop construction projects, pretreatment electrophoresis is a critical anti-corrosion process, and its equipment installation faces numerous challenges. This process involves a large number of large-sized equipment components, and extensive welding work is required after the chamber is installed. Traditional installation methods are clearly insufficient in terms of efficiency, safety, and cost control.

[0003] In the panel installation phase, traditional methods rely on hoists installed at height for positioning and transport. Because the hoists need to be installed on high beams or tracks in the factory building, installation is not only difficult, but repeated relocation is also necessary after completing one area, significantly impacting construction efficiency. This method not only consumes a large amount of manpower and resources but also extends the project cycle.

[0004] The installation of equipment inside the chamber also presents bottlenecks. The installation of components such as pipes and nozzles typically requires the erection of full-size scaffolding, a process that is both time-consuming and labor-intensive. Especially when handling high-level installations of the electrophoresis tank, scaffolding not only poses safety hazards, but its dismantling and transportation also results in secondary manpower waste. Furthermore, the extensive welding work is limited by the working surface of the scaffolding, further reducing construction efficiency.

[0005] With the construction cycle of automobile production lines becoming increasingly shorter, traditional manual installation methods and inefficient construction equipment are no longer sufficient to meet the triple requirements of efficiency, quality, and safety in modern projects. Therefore, the need for innovation in this construction model is particularly urgent. Utility Model Content

[0006] The purpose of this utility model is to provide an auxiliary trolley for installing an electrophoresis chamber for pretreatment of automotive coating, thereby solving the above problems.

[0007] To achieve the above objectives, the following technical solutions are provided:

[0008] An auxiliary trolley for installing a pretreatment electrophoresis chamber for automotive painting is located on the edge of the pretreatment electrophoresis tank and can move back and forth at the edge of the tank. It includes a power mechanism, a main frame of the trolley, a kick plate, a fence, a limit groove, a fence door, a trolley positioning and locking mechanism, a patterned steel plate, and a lifting mechanism.

[0009] There are two sets of power mechanisms, which are respectively located on both sides of the main frame of the trolley. The fence is fixed along the four edges of the main frame of the trolley. The kick plate is fixed along the perimeter of the fence. A fence door is opened on one side of the fence above one set of power mechanisms. There are four trolley positioning and locking mechanisms, which are respectively located on the main frame of the trolley and on both sides of the two sets of power mechanisms. Each fence corresponding to the trolley positioning and locking mechanism is provided with a limiting groove. The patterned steel plate is fixedly laid on the upper surface of the main frame of the trolley. The lifting mechanism is located in the installation auxiliary trolley and is fixedly connected to the main frame of the trolley.

[0010] Preferably, the lifting mechanism includes a lifting base sleeve, an electric winch, a lifting pole, wire rope guide seats, a fixed pulley device, a lifting crossbar, a lifting wire rope, and a lifting pole limiting block. The bottom end of the lifting base sleeve is fixedly connected to the main frame of the trolley. The lifting pole is inserted into the lifting base sleeve and limited by the lifting pole limiting block. The electric winch is located at the bottom of the lifting pole. A certain number of wire rope guide seats are also provided at certain intervals on one side of the lifting pole. The lifting crossbar is horizontally located in the upper middle part of the lifting pole. A fixed pulley device is provided at the top of both the lifting pole and the lifting crossbar. One end of the lifting wire rope is fixedly connected to the output end of the electric winch, and the other end passes through a certain number of wire rope guide seats and the fixed pulley devices respectively located at the top of the lifting pole and the lifting crossbar before hanging down naturally.

[0011] Preferably, the power mechanism includes a drive motor device, a motor mounting bracket, a motor shaft, a coupling, a transmission shaft, a certain number of traveling mechanisms, and a main frame of the power mechanism. The top of the main frame of the power mechanism is fixedly connected to the main frame of the trolley, and a certain number of traveling mechanisms are arranged side by side at the bottom of the main frame of the power mechanism. The drive motor device is fixedly connected to the main frame of the trolley through the motor mounting bracket, and the motor shaft is fixedly connected to the transmission shaft through the coupling.

[0012] Preferably, the traveling mechanism includes bearing seats, traveling wheels, transmission gears, toothed belts, and auxiliary guide wheels. The bearing seats are arranged in pairs on both sides of the bottom of the main frame of the power mechanism. The traveling wheels are connected to a set of bearing seats through bearings. The auxiliary guide wheels are sleeved in the middle of the traveling wheels. The transmission gears are arranged in pairs on one side of the traveling wheels. A rubber sleeve is also sleeved on the other side surface of the traveling wheels. The toothed belts alternately mesh with the transmission gears in two adjacent traveling mechanisms.

[0013] Preferably, the trolley positioning and locking mechanism includes a friction plate, a pressure plate power folding rod, a drive folding rod, a locking and unlocking handle rod, an auxiliary rotating seat, a locking mechanism frame base, and a locking spring. The friction plate has an L-shaped structure. The two ends of the pressure plate power folding rod are fixedly connected to the two ends of the friction plate. One end of the drive folding rod is fixedly connected to the upper end of the pressure plate power folding rod, and the other end is fixedly connected to the locking and unlocking handle rod. The auxiliary rotating seat is fixedly connected to the friction plate. The rear end of the locking mechanism frame base is fixedly connected to the trolley main frame, and the middle part is hinged to the auxiliary rotating seat. The two ends of the locking spring are respectively fixedly connected to the drive folding rod and the frame base.

[0014] The beneficial effects of this utility model are as follows:

[0015] This invention utilizes a power mechanism to enable rapid relocation and modification of the construction area, facilitating pretreatment electrophoresis installation, significantly reducing work surface transfer time, and improving installation efficiency. The auxiliary guide wheels on the power mechanism ensure that its direction of travel remains parallel to the edge of the tank during operation, preventing accidents.

[0016] This invention utilizes a trolley positioning and locking mechanism to achieve rapid position locking. It cleverly leverages the contraction characteristics of the spring and the motion characteristics of the connecting rod: during locking, the spring continuously applies force in the locking direction, and during unlocking, it continuously applies force in the unlocking direction, thus ensuring the effectiveness of the locking action. The locking mechanism makes this invention safe and reliable during use, preventing accidents caused by device movement.

[0017] This utility model uses an electric winch as the power source for lifting the equipment. Its specifications are fully adapted to the weight and size requirements of the pretreatment electrophoresis equipment. Compared with manual handling, it is faster and more labor-saving, improving efficiency while saving labor costs.

[0018] The detachable hoisting pole used in this invention can not only be used to lift and install the pretreatment electrophoresis chamber wall panels, but also serve as a work platform for welding and pipe installation inside the chamber, greatly improving the flexibility of this invention.

[0019] This utility model uses patterned steel plate as a standing operating platform for personnel, and is equipped with a fence and kickboard design to fully consider the safety of operation. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the power mechanism of this utility model;

[0022] Figure 3This is a schematic diagram of the trolley positioning and locking mechanism of this utility model;

[0023] Figure 4 This is a schematic diagram of an embodiment of the trolley positioning and locking mechanism of this utility model. Figure 1 ;

[0024] Figure 5 A schematic diagram of the linkage kinematics analysis of an embodiment of the trolley positioning and locking mechanism of this utility model;

[0025] Figure 6 This is a side view of the present invention;

[0026] Figure 7 This is an enlarged schematic diagram of the structure at point A;

[0027] Figure 8 This is a schematic diagram of an embodiment of the trolley positioning and locking mechanism of this utility model. Figure 2 ;

[0028] Figure 9 This is a schematic diagram of the structure of this utility model;

[0029] The attached figures are labeled as follows: 1-Power mechanism, 2-Cart main frame, 3-Kickboard, 4-Fence, 5-Lifting base sleeve, 6-Electric winch, 7-Lifting upright, 8-Wire rope guide seat, 9-Fixed pulley device, 10-Structural connecting rod, 11-Lifting crossbar, 12-Limiting groove, 13-Lifting wire rope, 14-Fence gate, 15-Cart positioning and locking mechanism, 16-Lifting upright limit block, 17-Patterned steel plate, 18-Lifting base support rod, 19-Support rod fixing seat (19), 101-Drive motor device, 102-Motor fixing frame, 103-Motor shaft, 104 - Coupling, 105- Drive shaft, 106- Bearing housing, 107- Traveling wheel, 108- Drive gear, 109- Toothed belt, 110- Auxiliary guide wheel, 111- Power mechanism main frame, 1501- Friction pressure plate, 1502- Fixing, 1503- Pressure plate power folding rod, 1504- Locking spring upper fixing rod, 1505- Drive folding rod, 1506- Locking and unlocking handle rod, 1507- Auxiliary rotating seat, 1508- Rotary positioning shaft, 1509- Locking mechanism frame base, 1510- Spring fixing shaft, 1511- Positioning ring, 1512- Locking spring. Detailed Implementation

[0030] The following is a detailed description of this design scheme with reference to the accompanying drawings:

[0031] like Figures 1-9As shown, an auxiliary trolley for installing a pretreatment electrophoresis chamber for automotive painting is located on the edge of the pretreatment electrophoresis tank and can move back and forth at the edge of the tank. It includes a power mechanism 1, a trolley main frame 2, a kick plate 3, a fence 4, a limiting groove 12, a fence door 14, a trolley positioning and locking mechanism 15, a patterned steel plate 17, and a lifting mechanism.

[0032] There are two sets of power mechanisms 1, which are respectively located on both sides of the main frame 2 of the trolley. The fence 4 is fixed along the four edges of the main frame 2 of the trolley. The kick plate 3 is fixed along the fence 4. One of the sets of power mechanisms 1 has a fence door 14 on one side of the fence 4. There are four trolley positioning and locking mechanisms 15, which are respectively located on the main frame 2 of the trolley and on both sides of the two sets of power mechanisms 1. Each fence 4 corresponding to the trolley positioning and locking mechanism 15 has a limiting groove 12. The patterned steel plate 17 is fixedly laid on the upper surface of the main frame 2 of the trolley. The lifting mechanism is located in the installation auxiliary trolley and is fixedly connected to the main frame 2 of the trolley.

[0033] In some embodiments, the lifting mechanism includes a lifting base sleeve 5, an electric winch 6, a lifting pole 7, a wire rope guide seat 8, a fixed pulley device 9, a structural connecting rod 10, a lifting crossbar 11, a lifting wire rope 13, a lifting pole limiting block 16, a lifting base support rod 18, and a support rod fixing seat 19. The bottom of the lifting base sleeve 5 is provided with an installation plate that is fixedly connected to the trolley main frame 2 by bolts and nuts. The bottom side of the lifting base sleeve 5 is provided with support positioning holes on three sides, which are fixedly connected to one end of the lifting base support rod 18 by bolts and nuts. The other end of the lifting base support rod 18 is fixedly connected to the support rod fixing seat 19 by bolts and nuts. The support rod fixing seat 19 is welded and fixedly connected to the trolley main frame 2. The lifting upright rod 7 is inserted into the lifting base sleeve 5 and limited by two lifting upright rod limiting blocks 16. A limiting plate is set in the middle of the lifting upright rod limiting blocks 16. The lower surface of the limiting plate contacts the upper surface of the lifting base sleeve 5 for positioning, and the upper surface of the limiting plate contacts the lifting upright rod limiting blocks 16 for positioning. The lifting upright rod limiting blocks 16 are fixedly connected to the lifting base sleeve 5 by bolts and nuts. The lifting upright rod 7 can rotate along the vertical axis. The electric winch 6 is located at the bottom of the lifting upright rod 7 and is fixedly connected to the lifting upright rod 7 by a positioning plate. The positioning plate is fixedly connected to the lifting upright rod 7 by bolts and nuts. The pole 7 is welded and fixed. A certain number of wire rope guide seats 8 are also provided at certain intervals on one side of the hoisting pole 7. The hoisting crossbar 11 is horizontally set in the upper middle part of the hoisting pole 7. A fixed pulley device 9 is provided at the top of both the hoisting pole 7 and the hoisting crossbar 11. A structural connecting rod 10 is also provided between the hoisting pole 7 and the hoisting crossbar 11 to form a triangular structure. One end of the hoisting wire rope 13 is fixedly connected to the output end of the electric winch 6. The other end passes through the holes on a certain number of wire rope guide seats 8 and the fixed pulley devices 9 respectively set at the top of the hoisting pole 7 and the hoisting crossbar 11 and hangs down naturally. A hoisting hook or clamp can be installed on the natural hanging end of the hoisting wire rope 13 for hoisting the chamber wall panels or pipelines.

[0034] In some embodiments, the power mechanism 1 includes a drive motor device 101, a motor mounting bracket 102, a motor shaft 103, a coupling 104, a transmission shaft 105, a certain number of walking mechanisms, and a main frame 111 of the power mechanism. The top of the main frame 111 of the power mechanism is fixedly connected to the main frame 2 of the trolley. A certain number of walking mechanisms are arranged side by side at the bottom of the main frame 111 of the power mechanism. The drive motor device 101 is fixedly connected to the main frame 2 of the trolley through the motor mounting bracket 102. The motor shaft 103 is connected to the drive motor device (101) through a key. The motor shaft 103 is fixedly connected to the coupling 104 through a pin hole in the vertical axis direction. The transmission shaft 105 of the coupling 104 is fixedly connected through a pin hole in the vertical axis direction.

[0035] In some embodiments, the traveling mechanism includes bearing housings 106, traveling wheels 107, transmission gears 108, toothed belts 109, and auxiliary guide wheels 110. Two bearing housings 106 are respectively disposed on both sides of the bottom of the main frame 111 of the power mechanism. Bearings are disposed inside the bearing housings 106. The major diameter of the bearing is connected to the pin hole of the bearing housing through a transition fit, and the minor diameter of the bearing is connected to the pin hole of the traveling wheel 107 through a transition fit. The traveling wheel 107 is connected to a set of bearing housings 106 through the bearings. The auxiliary guide wheel 110 is sleeved in the middle of the traveling wheel 107. Two transmission gears 108 are sleeved on one side of the traveling wheel 107. The traveling wheel 107 and the transmission gears 108 are connected and driven by a flat key. A rubber sleeve is also sleeved on the other side surface of the traveling wheel 107. The toothed belts 109 alternately mesh with the transmission gears 108 in two adjacent traveling mechanisms.

[0036] In some embodiments, the trolley positioning and locking mechanism 15 includes a friction pressure plate 1501, a fixing block 1502, a pressure plate power folding rod 1503, a locking spring upper fixing rod 1504, a drive folding rod 1505, a locking and unlocking handle rod 1506, an auxiliary rotating seat 1507, a rotating positioning shaft 1508, a locking mechanism frame base 1509, a spring fixing shaft 1510, a positioning ring 1511, and a locking spring 1512. 01 has an L-shaped structure. The two ends of the pressure plate power folding rod 1503 are fixedly connected to the two ends of the friction pressure plate 1501 via fixing blocks 1502. One end of the drive folding rod 1505 is fixedly connected to the upper end of the pressure plate power folding rod 1503, and the other end is fixedly connected to the locking / unlocking handle rod 1506. The locking / unlocking handle rod 1506 has a U-shaped structure and is located within the limiting groove 12. The drive folding rod 1505 also has a locking spring upper fixing rod 1504 in the middle. The auxiliary rotating seat 1507 is fixedly connected to the friction pressure plate 1501 via the fixing block 1502. The rear end of the locking mechanism frame base 1509 is fixedly connected to the main frame 2 of the trolley, and the middle part is hinged to the auxiliary rotating seat 1507 via the rotating positioning shaft 1508. The auxiliary rotating seat 1507 can rotate along the axis of the rotating positioning shaft 1508. The spring fixing shaft 1510 is located at the front end of the locking mechanism frame base 1509 and is fixedly connected to the pin hole of the locking mechanism frame base 1509 with an interference fit. The spring fixing shaft 1510 and the upper fixing rod 1504 of the locking spring are both provided with positioning rings 1511. The positioning rings 1511 are fixedly connected to the pin holes of the spring fixing shaft 1510 and the upper fixing rod 1504 of the locking spring with an interference fit. The two ends of the locking spring 1512 are fixedly connected to the spring fixing shaft 1510 and the upper fixing rod 1504 of the locking spring, respectively. The locking spring 1512 is always in a stretched state.

[0037] Example:

[0038] First, place the entire invention on top of the pretreatment electrophoresis tank, such as... Figure 1As shown, the traveling wheel 107 rests on the edge of the trough. The operator enters the trolley by opening the guardrail door 14 and then closes the guardrail door 14. The guardrail door 14 and the guardrail 4 are equipped with a locking position. After the operator enters, the door is locked. At this time, the trolley positioning and locking mechanism 15 is in the open state. Figure 8 As shown, the operator first starts the drive motor 101 via a switch. The motor shaft 103 begins to rotate, driving the connected walking wheels 107 to rotate through the coupling 104 and transmission shaft 105. The transmission gear 108 and toothed belt 109 mesh adjacently, driving all the walking wheels 107 to move in one direction. A motor synchronizer and a motor reverser are installed between the two power mechanisms 1 on both sides to ensure that the running direction and speed of the two power mechanisms 1 on both sides are the same, and they can move along... Figure 1 The device moves in both the front and back directions, at which point it begins to move along the edge of the tank.

[0039] When the entire device reaches the position where construction work is required, the power mechanism 1 is shut off, and the entire device stops. At this time, the locking / unlocking handle 1506 is moved to engage the trolley positioning locking mechanism 15. Figure 8 The state shown becomes Figure 4 As shown, the entire device is equipped with four trolley positioning and locking mechanisms 15. The operator has completed the setup for each mechanism, as follows: Figure 5 As shown in the analysis, when the locking spring 1512 of the trolley positioning locking mechanism 15 reaches its minimum downward extension length, along the axis of the rotating positioning shaft 1508, the friction plate 1501 rotates downward until it contacts the edge of the groove so that it can be balanced by force and reach a fixed state. A high-friction nylon pad is installed on the contact surface between the friction plate 1501 and the edge of the groove. Due to the large coefficient of friction between the friction plate 1501 and the edge of the groove, the entire device is stably fixed to the edge of the groove when the trolley positioning locking mechanism 15 is locked.

[0040] Then the operators begin the hoisting operation, installing appropriate hooks or clamps at the front end of the hoisting wire rope 13, and using the electric winch 6, hoisting wire rope 13, and hoisting pole 7 to start the hoisting.

[0041] Then rotate the position of hoisting pole 7 to lift the wall panel waiting to be installed on the edge of the tank from the stacked position. Then, manually move the hoisted wall panel to the installation position near the edge of the tank. Manually fix the bottom and sides of the wall panel. After one wall panel is completed, repeat the hoisting work.

[0042] If welding work is to be carried out, the welding operator can stand directly on the patterned steel plate 17 to weld the side panels. The patterned steel plate 17 has printed patterns to increase friction and ensure safety during operation. The height of the fence 4 is set in accordance with national standards to meet safety requirements. The fence 4 is equipped with kickboards 3 around its perimeter to prevent tools from falling.

[0043] For internal pipe installation, the hoisting pole 7 needs to be removed first. Simply unscrew the bolts of the hoisting pole limit block 16, and the hoisting pole 7 can be completely removed from the hoisting base sleeve 5. Then, the operator can carry out the relevant construction on this invention.

[0044] After completing the construction of one area, the operator first lifts the locking / unlocking handle lever 1506, and then performs a linkage kinematics analysis. Figure 5 As shown, when the locking spring 1512 reaches its maximum extension length, if it continues to move upward, the direction of the force exerted by the locking spring 1512 on the driving folding rod 1505 changes, causing the driving folding rod 1505 to rotate counterclockwise around the axis of the rotating positioning shaft 1508. Finally, the trolley positioning locking mechanism 15 enters the unlocked state. Figure 8 As shown.

[0045] The entire device can then continue to move forward or backward, and repeat the above process after reaching the next area.

[0046] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

Claims

1. An auxiliary trolley for installing a pretreatment electrophoresis chamber for automotive painting, positioned on the edge of the pretreatment electrophoresis tank, capable of moving back and forth along the edge of the tank, characterized in that: It includes a power mechanism (1), a trolley main frame (2), a kick plate (3), a fence (4), a limiting groove (12), a fence gate (14), a trolley positioning and locking mechanism (15), a patterned steel plate (17), and a lifting mechanism; There are two sets of power mechanisms (1), which are respectively located on both sides of the main frame (2) of the trolley. The fence (4) is fixed along the four perimeter of the main frame (2) of the trolley. The kick plate (3) is fixed around the fence (4). One of the sets of power mechanisms (1) has a fence door (14) on one side of the fence (4). There are four trolley positioning and locking mechanisms (15) respectively located on the main frame (2) of the trolley, on both sides of the two sets of power mechanisms (1). Each fence (4) corresponding to the position of the trolley positioning and locking mechanism (15) has a limiting groove (12). The patterned steel plate (17) is fixedly laid on the upper surface of the main frame (2) of the trolley. The lifting mechanism is located in the installation auxiliary trolley and is fixedly connected to the main frame (2) of the trolley.

2. The auxiliary trolley for installing an electrophoresis chamber for pretreatment of automotive coating as described in claim 1, characterized in that, The lifting mechanism includes a lifting base sleeve (5), an electric winch (6), a lifting pole (7), a wire rope guide seat (8), a fixed pulley device (9), a lifting crossbar (11), a lifting wire rope (13), and a lifting pole limiting block (16). The bottom end of the lifting base sleeve (5) is fixedly connected to the main frame (2) of the trolley. The lifting pole (7) is inserted into the lifting base sleeve (5) and limited by the lifting pole limiting block (16). The electric winch (6) is located at the bottom of the lifting pole (7). A certain number of wire rope guide seats (8) are provided at certain intervals on one side of the hoisting pole (7). The hoisting crossbar (11) is horizontally located in the upper part of the hoisting pole (7). A fixed pulley device (9) is provided at the top of both the hoisting pole (7) and the hoisting crossbar (11). One end of the hoisting wire rope (13) is fixedly connected to the output end of the electric winch (6), and the other end passes through a certain number of wire rope guide seats (8) and the fixed pulley devices (9) respectively located at the top of the hoisting pole (7) and the hoisting crossbar (11) before hanging down naturally.

3. The auxiliary trolley for mounting the electrophoresis chamber body before the automobile coating treatment according to claim 1, characterized in that, The power mechanism (1) includes a drive motor device (101), a motor mounting bracket (102), a motor shaft (103), a coupling (104), a transmission shaft (105), a certain number of walking mechanisms, and a main frame (111) of the power mechanism. The top of the main frame (111) of the power mechanism is fixedly connected to the main frame (2) of the trolley. A certain number of the walking mechanisms are arranged side by side at the bottom of the main frame (111) of the power mechanism. The drive motor device (101) is fixedly connected to the main frame (2) of the trolley through the motor mounting bracket (102). The motor shaft (103) is fixedly connected to the transmission shaft (105) through the coupling (104).

4. The installation auxiliary trolley for an electrophoresis chamber body before automobile coating treatment according to claim 3, characterized in that, The walking mechanism includes bearing seats (106), walking wheels (107), transmission gears (108), toothed belts (109), and auxiliary guide wheels (110). The bearing seats (106) are arranged in pairs on both sides of the bottom of the main frame (111) of the power mechanism. The walking wheels (107) are connected to a set of bearing seats (106) through bearings. The auxiliary guide wheels (110) are sleeved in the middle of the walking wheels (107). The transmission gears (108) are arranged in pairs on one side of the walking wheels (107). The other side of the walking wheels (107) is also covered with a rubber sleeve. The toothed belts (109) alternately mesh with the transmission gears (108) in two adjacent walking mechanisms.

5. The auxiliary trolley for mounting the electrophoresis chamber body before the automobile coating treatment according to claim 1, characterized in that, The trolley positioning and locking mechanism (15) includes a friction pressure plate (1501), a pressure plate power folding rod (1503), a drive folding rod (1505), a locking and unlocking handle rod (1506), an auxiliary rotating seat (1507), a locking mechanism frame base (1509), and a locking spring (1512). The friction pressure plate (1501) has an L-shaped structure. The two ends of the pressure plate power folding rod (1503) are fixedly connected to the two ends of the friction pressure plate (1501). The drive folding rod (1505) One end is fixedly connected to the upper end of the pressure plate power folding rod (1503), and the other end is fixedly connected to the locking and unlocking handle rod (1506). The auxiliary rotating seat (1507) is fixedly connected to the friction pressure plate (1501). The rear end of the locking mechanism frame base (1509) is fixedly connected to the main frame (2) of the trolley, and the middle part is hinged to the auxiliary rotating seat (1507). The two ends of the locking spring (1512) are respectively fixedly connected to the driving folding rod (1505) and the frame base (1509).

Images