A speed reducer test device for roll changing vehicle assembly

Abstract

The utility model provides a kind of reduction gear test device of roll changing vehicle assembly, belong to roll changing vehicle assembly equipment technical field, for facilitating reduction gear test.The technical scheme is: two vertical support plates are welded respectively at the both ends of support base, the inner side of each support plate is respectively welded to connect two parallel opposite sliding groove plates, coupling is composed of disc and cylinder, the both sides of disc are located in the sliding groove between two sliding groove plates respectively, the board face of the two sliding groove plates of the both sides of disc has respectively opposite positioning slot, the positioning slot of the both sides of disc has positioning bolt and fixed nut, and disc is fixed in sliding groove, one end of the disc of coupling is connected with driving device, the cylinder of coupling is connected at the other end of disc, and the cylinder of coupling is connected with reduction gear by connecting piece.The utility model avoids the step that coupling needs to be disassembled and replaced base when facing different models of reduction gear, improves the safety and stability of reduction gear test, and improves test work efficiency.

Description

Technical Field

[0001] This utility model relates to an auxiliary device for the test run of a reducer assembled on a roller changing car, belonging to the technical field of roller changing car assembly equipment. Specifically, it is used for the test run and inspection of different models of reducers after assembly, realizing the rapid adaptation and connection between the coupling and the reducer. Background Technology

[0002] Roll changer assembly refers to the process of combining its components into a complete roll changer. The purpose of assembly is to combine the various components in an orderly and reasonable manner according to the technical documents to form a complete roll changer, while ensuring that the various performance indicators of the roll changer meet the requirements. Roll changer assembly requires a high level of professional skills and experience. Assembly workers need to be proficient in various assembly tools and techniques, and also need to have a high level of quality awareness and patience. During the assembly process, attention must be paid to the fit and precision of each component, as well as the detection and adjustment of various performance indicators.

[0003] During the assembly of the roller changing car, the assembly of its transmission mechanism is particularly important. Often, a test run is required before the drive motor is powered on to avoid malfunctions. Some existing test run methods involve using the drive unit to drive the coupling, thereby rotating the reducer. However, due to the different models of reducers, their sizes also vary. During the test, the staff needs to adjust the height of the coupling to match the reducer. This adjustment requires disassembling and replacing the base of the coupling, which increases the test time and makes it inconvenient for the staff to use. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a test device for a reducer assembled on a roller changing car. This test device can avoid disassembling and replacing the base of the coupling, reduce the test time, and facilitate the use of the staff.

[0005] The technical solution to the above problem is: A test device for a reducer assembled on a roller changing car includes a support base, support plates, sliding groove plates, positioning bolts, fixing nuts, a coupling, and connecting parts. The support base is a rectangular plate with two vertical support plates welded to each end. Two parallel, opposing sliding groove plates are welded to the inner side of each support plate, forming a sliding groove between the two sliding groove plates. The coupling consists of a disc and a cylinder. The disc is located at the input end of the coupling, with both sides of the disc embedded in the sliding groove between the two sliding groove plates. The side walls of the disc are flush with the sliding groove. The sliding fit has two sliding groove plates on both sides of the disc with corresponding positioning grooves on their surfaces. The positioning grooves are along the length of the sliding groove plates. Positioning bolts pass through the upper and lower parts of the positioning grooves on both sides of the disc, and the positioning bolts also pass through the positioning holes of the disc. The fixing nuts lock the positioning bolts to the positioning grooves. The cylinder of the coupling is fixedly connected to one side of the disc. The output shaft of the drive device is connected to the central shaft of the coupling. The other end of the cylinder is detachably connected to the flat end of the connector. The other end of the connector is fixedly connected to the input end of the pre-test reducer.

[0006] The speed reducer test device assembled on the aforementioned roller changing car has a support spring in the sliding groove on both sides of the disc of the coupling. The lower end of the support spring is fixedly connected to the plate surface of the support base, and the upper end of the support spring rests on the lower side of the disc in the sliding groove.

[0007] The speed reducer test device assembled on the aforementioned roller changing car has heat dissipation grooves symmetrically opened at the top and bottom of the cylinder of the coupling. A tapered bushing is fixedly connected inside the cylinder. The tapered bushing is engaged with the tapered end of the connector by using the internal tapered surface to snap into place.

[0008] The speed reducer test device assembled on the aforementioned roller changing car includes a tapered connecting column, a connecting block, and a connecting sleeve. The connecting column is a cone, the connecting block is a cuboid block, and the connecting block is vertically welded to the rear end face of the connecting column. The connecting block is snapped and fixed to the tapered bushing inside the cylinder of the coupling. The connecting sleeve is a cylinder, and its rear end is welded to the front end of the tapered connecting column. The inner diameter of the front end of the connecting sleeve matches the outer diameter of the input shaft of the pre-test speed reducer. The front end of the input shaft of the pre-test speed reducer is inserted into the inner end of the front end of the connecting sleeve. The side wall of the connecting sleeve is provided with a set screw hole, and the set screw is screwed into the set screw hole. The front end of the set screw is tightly connected to the input shaft of the pre-test speed reducer in the inner hole of the connecting sleeve.

[0009] The speed reducer test device assembled on the aforementioned roller changing car has a horizontal groove on the bottom surface of the support base. The length of the horizontal groove matches the width of the platform on which the support base is installed. Limiting grooves are provided at both ends of the upper surface of the horizontal groove. Two limiting sliders are respectively embedded in the two limiting grooves. The limiting sliders and the limiting grooves are in sliding fit. The lower ends of the two limiting sliders are respectively connected to vertical fixing blocks. Clamping springs are respectively connected between the two fixing blocks and the two side walls of the horizontal groove. Anti-slip pads are adhered to the outside of the fixing blocks. The outside of the two fixing blocks are clamped to the two sides of the platform on which the support base is installed.

[0010] The beneficial effects of this utility model are: The support base of this utility model is clamped and fixed to the platform by a fixing block, which provides strong stability. The two sides of the coupling disc are embedded in the sliding groove of the sliding groove plate, which can slide up and down to adjust the height. It is locked and fixed by positioning bolts and fixing nuts, and can be adapted to different models of reducers without disassembling and replacing the base. The heat dissipation grooves on the coupling cylinder can effectively dissipate heat and extend the service life. The connecting parts are engaged with the cylinder fixing block by the connecting block, and are engaged with the reducer output shaft by the connecting sleeve and fixed by the tightening bolt, which provides a firm and stable connection. The support spring assists in supporting the disc, which facilitates the height adjustment operation.

[0011] This utility model has a simple structure and is easy to use. It can quickly adjust and fix the position of the coupling, avoiding the disassembly and replacement steps of the coupling base when testing different models of reducers. It effectively improves the safety and stability of the connection between the coupling and the reducer, and improves the convenience and work efficiency of the testing equipment. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 yes Figure 1 Side view; Figure 3 yes Figure 1 Top view; Figure 4 This is a sectional view of the coupling; Figure 5 This is a simplified sectional view of the coupling; Figure 6 This is a structural schematic diagram of the connector; Figure 7 This is a schematic diagram of the connection structure between the support base and the platform.

[0013] The following components are marked in the diagram: 1. Pre-test reducer; 2. Support base; 3. Support plate; 4. Sliding groove plate; 5. Sliding groove; 6. Positioning groove; 7. Positioning bolt; 8. Fixing nut; 9. Support spring; 10. Coupling; 11. Disc; 12. Cylinder; 13. Heat dissipation groove; 14. Tapered bushing; 15. Connecting piece; 16. Tapered connecting column; 17. Connecting block; 18. Top screw hole; 19. Top screw; 20. Horizontal groove; 21. Limiting slide groove; 22. Limiting slider; 23. Fixing block; 24. Clamping spring; 25. Anti-slip pad; 26. Drive device output shaft; 27. Detailed Implementation

[0014] This utility model consists of a support base 2, a support plate 3, a sliding groove plate 4, a positioning bolt 7, a fixing nut 8, a support spring 9, a coupling 10, and a connecting piece 15.

[0015] Figure 1 , 2 As shown in Figure 3, the support base 2 is a rectangular plate. Two vertical support plates 3 are welded to each end of the support base 2. Two parallel and opposite sliding groove plates 4 are welded to the inner side of each support plate 3. A sliding groove 5 is formed between the two sliding groove plates 4. The disc 11 of the coupling 10 is placed in the sliding groove 5 and can move up and down along the sliding groove 5 to adjust the position of the coupling 10 for connection with different reducers 1.

[0016] Figure 1 , 2 As shown in Figure 3, there are corresponding positioning grooves 6 on the surface of the sliding groove plate 4. The positioning grooves 6 are along the length of the sliding groove plate 4. The positioning bolts 7 are located at the upper and lower parts of the positioning grooves 6 on both sides of the disc 11, and are located above and below the disc 11. The fixing nut 8 locks the positioning bolts 7 to the positioning grooves 6. The positioning bolts 7 can clamp and position the disc 11 of the coupling 10.

[0017] Figure 1 , 2 As shown in Figure 3, the coupling 10 consists of a disc 11 and a cylinder 12. One end of the coupling 10 has the disc 11, with both sides of the disc 11 located in sliding grooves 5 between two sliding groove plates 4. The cylinder 12 of the coupling 10 is connected to one side of the disc 11, and the output shaft 27 of the drive device is fixedly connected to the center hole of the disc 11. The other end of the cylinder 12 is connected to one end of a connecting piece 15, and the other end of the connecting piece 15 is connected to the reducer 1.

[0018] Figure 4 The coupling 10 has a flat surface on its outer diameter at the input end. When driven by a hand drill, the three-jaw chuck at the front end of the drill fits tightly against the flat surface on the outer diameter of the input end of the coupling 10, thus achieving safe and reliable transmission. The tapered connecting column (16) is installed into the tapered hole at the output end of the coupling 10. After adjustment, the coupling and the connecting parts are fixed by taper clamping.

[0019] Figure 5 The coupling 10 has support springs 9 in the sliding grooves 5 on both sides of the disc 11. The lower end of the support spring 9 is fixedly connected to the plate surface of the support base 2, and the upper end of the support spring 9 rests against the lower sides of the disc 11 in the sliding grooves 5. When adjusting the height of the disc 11, the support springs 9 can support the disc 11, making it easier for the disc 11 to reach the appropriate height. Then, the positioning bolts 7 and fixing nuts 8 are locked to the positioning grooves 6, so that the disc 11 of the coupling 10 is adjusted to the appropriate height.

[0020] Figure 2 , 3 As shown in Figure 6, the connecting component 15 includes a connecting post 16, a connecting block 17, and a connecting sleeve 18. The connecting post 16 is a cone, and the connecting block 17 is a cuboid block. The connecting block 17 is vertically welded to the rear end face of the connecting post 16, and the connecting block 17 is fixed to the conical bushing 14 inside the cylinder 12 of the coupling 10 by a conical snap-fit. The connecting sleeve 18 is a cylinder, and its rear end is welded to the front end of the connecting post 16. The inner diameter of the front end of the connecting sleeve 18 matches the outer diameter of the output shaft of the pre-test reducer 1, and the front end of the input shaft of the pre-test reducer 1 is inserted into the inner diameter of the front end of the connecting sleeve 18. The side wall of the connecting sleeve 18 has a set screw hole 19, and a set screw 20 is screwed into the set screw hole 19. The front end of the set screw 20 is tightly connected to the input shaft of the pre-test reducer 1 in the inner diameter of the connecting sleeve 18. This effectively improves the safety and stability of the connection.

[0021] Figure 7 The display shows that the support base 2 is fixed on the platform so that the coupling 10 is driven by a drive device (commonly a hand drill) to rotate the pre-test reducer 1. Its connection structure consists of a connector 15 and its accessories. The bottom surface of the support base 2 has a horizontal groove 21. The length of the horizontal groove 21 matches the width of the platform on which the support base 2 is installed. The horizontal groove 21 is provided with a limiting slide groove 22. Two limiting sliders 23 are respectively embedded in the two limiting slide grooves 22. The limiting sliders 23 and the limiting slide grooves 22 are in sliding fit. The lower ends of the two limiting sliders 23 are respectively connected to vertical fixing blocks 24. Clamping springs 25 are respectively connected between the two fixing blocks 24 and the two side walls of the horizontal groove 21. Anti-slip pads 26 are glued to the outside of the fixing blocks 24. The outside of the two fixing blocks 24 are clamped to the two sides of the platform on which the support base 2 is installed, so that the support base 2 can be fixed on the platform.

[0022] The usage process of this utility model is as follows: First, connect the connector 15 to the input shaft of the pre-test reducer 1 and tighten it with the set screw 20. Adjust the height of the coupling 10 in the sliding groove 5, and tighten it with bolts 7 and nuts 8 after adjustment. Connect the coupling 10 and the connector 15 so that the connecting block 17 is inserted into the coupling 10, thus connecting the two parts. Finally, connect the drive device (usually a hand drill) to the tapered shank at the input end of the coupling 10. Check whether the connection status of each part is safe and reliable. Under the premise of safety and reliability, start the drive device. The drive device drives the coupling 10 to rotate, which in turn drives the pre-test reducer 1 to rotate, thus completing the operation of the pre-test equipment.

[0023] An embodiment of this utility model is as follows: The support base 2 is 600mm long, 80mm wide, and 50mm high; The support plate 3 is 500mm long, 50mm wide, and 10mm thick; The sliding groove plate 4 is 450mm long, 60mm wide, and 8mm thick. The width of the sliding groove 5 is 40mm. The positioning groove 6 is 350mm long and 12mm wide; The diameter of the positioning bolt 7 is 12mm (M12), and the length is 80mm; The outer diameter of the support spring 9 is 16mm, the wire diameter is 2mm, and the natural length is 150mm; The diameter of the disc 11 of the coupling 10 is 120mm and the thickness is 18mm, and the diameter of the cylinder 12 is 80mm and the length is 150mm. The connecting post 16 of the connector 15 is (φ15-φ30) mm in diameter and 120 mm in length. The connecting block 17 is 20 mm long, 15 mm wide, and 8 mm thick. The connecting sleeve 18 is 50 mm in diameter and 80 mm long. The top screw hole 19 is 16 mm in diameter (M16). The top screw 20 has a diameter of 16mm (M16) and a length of 25mm.

Claims

1. A test device for a reducer assembled on a roller changing car, characterized in that: It includes a support base (2), a support plate (3), a sliding groove plate (4), a positioning bolt (7), a fixing nut (8), a coupling (10), and a connecting piece (15). The support base (2) is a rectangular plate. Two vertical support plates (3) are welded to both ends of the support base (2). Two parallel sliding groove plates (4) are welded to the inner side of each support plate (3). There is a sliding groove (5) between the two sliding groove plates (4). The coupling (10) consists of a disc (11) and a cylinder (12). The disc (11) is located at the input end of the coupling (10). The two sides of the disc (11) are respectively embedded in the sliding groove (5) between the two sliding groove plates (4). The two side walls of the disc (11) and the sliding groove (5) are in sliding fit. The two sliding groove plates (4) on both sides of the disc (11) have corresponding positioning grooves (6) on their respective surfaces. The positioning grooves (6) are along the length of the sliding groove plates (4). The positioning bolts (7) pass through the upper and lower parts of the positioning grooves (6) on both sides of the disc (11) respectively, and the positioning bolts (7) pass through the positioning holes of the disc (11). The fixing nuts (8) lock the positioning bolts (7) and the positioning grooves (6) together. The cylinder (12) of the coupling (10) is fixedly connected to one side of the disc (11). The output shaft of the drive device is connected to the central shaft of the coupling (10). The other end of the cylinder (12) is detachably connected to the flat end of the connector (15). The other end of the connector (15) is fixedly connected to the input end of the pre-test reducer (1).

2. The speed reducer testing device assembled on the roller changing car according to claim 1, characterized in that: The coupling (10) has a support spring (9) in the sliding groove (5) on both sides of the disc (11). The lower end of the support spring (9) is fixedly connected to the plate surface of the support base (2), and the upper end of the support spring (9) is pressed against the lower sides of the disc (11) in the sliding groove (5).

3. The speed reducer testing device assembled on the roller changing car according to claim 1, characterized in that: The top and bottom of the cylinder (12) of the coupling (10) are respectively provided with heat dissipation grooves (13). A tapered bushing (14) is fixedly connected inside the cylinder (12). The tapered bushing (14) uses its internal tapered surface to engage with the tapered surface of the connector (15) instead of the flat end.

4. The speed reducer testing device assembled on the roller changing car according to claim 1, characterized in that: The connector (15) includes a tapered connecting column (16), a connecting block (17), and a connecting sleeve (18). The connecting column (16) is a cone, and the connecting block (17) is a cuboid block. The connecting block (17) is vertically welded to the rear end face of the connecting column (16). The connecting block (17) is engaged and fixed with the tapered bushing (14) inside the cylinder (12) of the coupling (10). The connecting sleeve (18) is a cylinder, and the rear end of the connecting sleeve (18) is connected to the tapered connecting column. (16) is welded to the front end. The inner diameter of the front end of the connecting sleeve (18) matches the outer diameter of the input shaft of the pre-test reducer (1). The front end of the input shaft of the pre-test reducer (1) is inserted into the inner end of the front end of the connecting sleeve (18). The side wall of the connecting sleeve (18) is provided with a set screw hole (19). The set screw (20) is screwed into the set screw hole (19). The front end of the set screw (20) is tightly connected to the input shaft of the pre-test reducer (1) in the inner hole of the connecting sleeve (18).

5. The speed reducer testing device assembled on the roller changing car according to claim 1, characterized in that: The bottom surface of the support base (2) is provided with a horizontal groove (21). The length of the horizontal groove (21) matches the width of the platform on which the support base (2) is installed. The upper top surface of the horizontal groove (21) is provided with limiting slide grooves (22) at both ends. Two limiting sliders (23) are respectively embedded in the two limiting slide grooves (22). The limiting sliders (23) and the limiting slide grooves (22) are in sliding fit. The lower ends of the two limiting sliders (23) are respectively connected to vertical fixing blocks (24). The two fixing blocks (24) are respectively connected to the two side walls of the horizontal groove (21) with clamping springs (25). The outside of the fixing blocks (24) is glued with anti-slip pads (26). The outside of the two fixing blocks (24) is clamped to the two sides of the platform on which the support base (2) is installed.

Images