A main platform assembly tool for excavator
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANXI TAIZHONG ENG MASCH CO LTD
- Filing Date
- 2025-08-11
- Publication Date
- 2026-07-10
AI Technical Summary
[0002]现有技术中挖掘机主平台的组对工装,根据不同机型挖掘机主平台尺寸及结构进行不同设计,单一机型的组对工装无法满足较复杂的产线需求,当出现新产品试制时,需制作新的组对工装,不仅成本较高,而且还影响生产效率
Smart Images

Figure CN224476121U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of excavator parts assembly technology, specifically to an assembly tooling for an excavator main platform. Background Technology
[0002] In the existing technology, the assembly tooling for the main platform of excavators is designed differently according to the size and structure of the main platform of different excavator models. The assembly tooling for a single model cannot meet the needs of more complex production lines. When a new product is being trial-produced, a new assembly tooling needs to be made, which is not only costly, but also affects production efficiency. Utility Model Content
[0003] To address the aforementioned issues, this utility model proposes an assembly tooling for an excavator main platform. It adopts a modular design, and each module can be adjusted according to the actual workpiece size and structure, making it compatible with different types of workpieces and improving production efficiency.
[0004] To achieve the above objectives, the technical solution of this utility model is as follows: an assembly fixture for an excavator main platform, comprising a platform, with a cylinder support positioning mechanism and a counterweight installation positioning mechanism slidably connected to both ends of the platform respectively. The cylinder support positioning mechanism includes a first mounting base, on which a first base is symmetrically slidably connected, and a clamping seat is fixedly connected to the first base. The clamping seat is provided with a clamping block, and the clamping block is provided with a pin. The counterweight installation positioning mechanism includes a second mounting base, on which a second base is symmetrically slidably connected, and a first positioning plate is provided on the second base. The first positioning plate is sleeved on an adjusting rod, and the bottom end of the adjusting rod is rotatably connected to the second base. The bottom of the first positioning plate is also provided with a height adjustment block, which is detachably installed with the second base. The bottom of the first positioning plate is connected to the second positioning plate by a screw. The platform is also provided with a side plate positioning mechanism, which includes a symmetrically arranged third mounting base. A rotating arm is rotatably connected to the third mounting base. The end of the rotating arm is provided with a first positioning block and an electromagnet. A clamping mechanism is symmetrically arranged on one side of the side plate positioning mechanism. The clamping mechanism includes a bottom plate clamping mechanism and a side plate cover plate clamping mechanism. A bracket positioning mechanism is provided between the bottom plate clamping mechanism and the side plate cover plate clamping mechanism. The bracket positioning mechanism is slidably connected to the platform. The platform is also provided with several support seats.
[0005] Preferably, the platform is provided with a first slide rail, the first mounting base is slidably connected to the first slide rail, the first mounting base is provided with a second slide rail, the first base is slidably connected to the second slide rail, and the first slide rail and the second slide rail are arranged perpendicularly.
[0006] Preferably, a first clamping block is provided between the first bases, an adjusting screw is screwed onto the first clamping block, and a guide rod is provided on the first clamping block, the bottom end of the guide rod being fixedly connected to the first mounting base.
[0007] Preferably, the platform is further provided with a third guide rail, the second mounting base is slidably connected to the third guide rail, and the first positioning plate is further provided with positioning bolts.
[0008] Preferably, the platform, the first mounting base, and the second mounting base are all provided with a plurality of concave limiting blocks at intervals. The first mounting base, the second mounting base, the first base, and the second base are provided with positioning pins. The bottom end of the positioning pin is inserted into the concave limiting block. The two ends of the platform are provided with first anti-detachment blocks, and the two ends of the first mounting base and the second mounting base are provided with second anti-detachment blocks.
[0009] Preferably: a fourth slide rail is symmetrically provided on one side of the cylinder support positioning mechanism. The fourth slide rail is fixedly connected to the platform and is perpendicular to the first slide rail. The third mounting base is slidably connected to the fourth slide rail. A rotating shaft is provided on the third mounting base. A first connecting rod is sleeved on the rotating shaft. The rotating arm is fixedly connected to the first connecting rod. A locking assembly is also provided on the third mounting base for fixing the rotating arm. Columns are also symmetrically provided on the third mounting base. A positioning pin is provided on the third mounting base. The bottom end of the positioning pin is inserted into a concave limiting block on the platform.
[0010] The third mounting base is also provided with a clamping assembly, which includes a third base. The third base is located on the third mounting base on one side of the side plate positioning mechanism. A stop block is detachably installed on the third mounting base on the other side of the side plate positioning mechanism. A clamping screw is screwed onto the third base.
[0011] Preferably, a front connecting plate positioning mechanism is further provided between the third mounting bases. The front connecting plate positioning mechanism includes a first mounting column, the top end of the first mounting column is connected to a second connecting rod by a positioning bolt, and the bottom end of the second connecting rod is provided with a second positioning block.
[0012] Preferably, the clamping mechanism includes a second mounting post, the top end of which is connected to a third connecting rod, the end of which is screwed with a first adjusting screw, and the bottom of the first adjusting screw is provided with a second clamping block.
[0013] Preferably, a side plate clamping mechanism is provided on one side of the side plate cover clamping mechanism. The side plate clamping mechanism includes a fourth mounting base, which is symmetrically fixed on the platform. A second adjusting screw is provided at the top of the fourth mounting base.
[0014] Preferably, the bracket positioning mechanism includes a fifth mounting base, a fifth slide rail is provided on the platform, the fifth mounting base is slidably connected to the fifth slide rail, the fifth mounting base is inserted into a concave limiting block on the platform through a positioning pin, a positioning frame is provided on the fifth mounting base, and a third positioning block is detachably installed on the positioning frame.
[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0016] This utility model adopts a modular design, and each module can be adjusted according to the actual workpiece size and structure. It can be compatible with different types of workpieces, effectively improving the utilization rate of tooling and increasing the production efficiency of the production line. When a new model needs to be trial-produced, the tooling can be adjusted for assembly, effectively reducing costs. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of the assembly tooling for the excavator main platform of this utility model;
[0018] Figure 2 This is a schematic diagram of the counterweight installation and positioning mechanism of the assembly tooling for the main platform of the excavator according to this utility model.
[0019] Figure 3 This is a schematic diagram of the hydraulic cylinder support positioning mechanism of the assembly tooling for the main platform of the excavator according to this utility model.
[0020] Figure 4 This is a schematic diagram of the side plate positioning mechanism of the assembly tooling for the main platform of the excavator according to this utility model.
[0021] Figure 5 This is a schematic diagram of the bracket positioning mechanism for the assembly tooling of the excavator main platform according to this utility model.
[0022] In the diagram: 1. Platform; 11. First slide rail; 12. Third slide rail; 13. Concave limiting block; 14. Positioning pin; 15. First anti-detachment block; 16. Fourth slide rail; 17. Fifth slide rail; 18. Front connecting plate positioning mechanism; 181. First mounting post; 182. Second connecting rod; 183. Second positioning block; 2. Hydraulic cylinder support positioning mechanism; 21. First mounting seat; 22. First base; 23. Clamping seat; 24. Clamping block; 25. Pin; 26. Second slide rail; 27. First clamping block; 28. Adjusting screw; 29. Guide rod; 210. Second anti-detachment block; 3. Counterweight installation positioning mechanism; 31. Second mounting seat; 32. Second base; 33. First positioning plate; 34. Adjusting rod; 35. Height adjusting block; 36. Screw 37. Rod; 38. Second positioning plate; 4. Positioning bolt; 5. Side plate positioning mechanism; 6. Third mounting base; 7. Rotating arm; 8. First positioning block; 9. Electromagnet; 10. Rotating shaft; 11. First connecting rod; 12. Locking assembly; 13. Column; 14. Clamping assembly; 15. Third base; 16. Stop block; 17. Clamping screw; 18. Pressing mechanism; 19. Second mounting column; 10. Third adjusting screw; 11. Second pressing block; 12. Base plate pressing mechanism; 13. Side plate cover plate pressing mechanism; 14. Bracket positioning mechanism; 15. Fifth mounting base; 16. Positioning frame; 17. Third positioning block; 18. Side plate tightening mechanism; 19. Fourth mounting base; 10. Second adjusting screw; 11. Support base. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] refer to Figures 1 to 5A tooling assembly for an excavator main platform includes a platform 1. A cylinder support positioning mechanism 2 and a counterweight mounting positioning mechanism 3 are slidably connected to both ends of the platform 1. The cylinder support positioning mechanism 2 includes a first mounting base 21, a first base 22 symmetrically slidably connected to the first mounting base 21, a clamping seat 23 fixedly connected to the first base 22, a clamping block 24 on the clamping seat 23, and a pin 25 on the clamping block 24. The counterweight mounting positioning mechanism 3 includes a second mounting base 31, a second base 32 symmetrically slidably connected to the second mounting base 31, a first positioning plate 33 on the second base 32, the first positioning plate 33 being sleeved on an adjusting rod 34, the bottom end of the adjusting rod 34 being rotatably connected to the second base 32, and the bottom of the first positioning plate 33... The platform 1 is also equipped with a height adjustment block 35, which is detachably installed with the second base 32. The bottom of the first positioning plate 33 is connected to the second positioning plate 37 by a screw 36. The platform 1 is also equipped with a side plate positioning mechanism 4, which includes a symmetrically arranged third mounting base 41. A rotating arm 42 is rotatably connected to the third mounting base 41. The end of the rotating arm 42 is equipped with a first positioning block 43 and an electromagnet 44. A pressing mechanism 5 is symmetrically arranged on one side of the side plate positioning mechanism 4. The pressing mechanism 5 includes a bottom plate pressing mechanism 6 and a side plate cover plate pressing mechanism 7. A bracket positioning mechanism 8 is provided between the bottom plate pressing mechanism 6 and the side plate cover plate pressing mechanism 7. The bracket positioning mechanism 8 is slidably connected to the platform 1. The platform 1 is also equipped with several support seats 10.
[0025] Platform 1 is provided with a first slide rail 11, a first mounting base 21 is slidably connected to the first slide rail 11, a second slide rail 26 is provided on the first mounting base 21, a first base 22 is slidably connected to the second slide rail 26, and the first slide rail 11 and the second slide rail 26 are set perpendicularly.
[0026] A first clamping block 27 is also provided between the first bases 22. An adjusting screw 28 is screwed onto the first clamping block 27. A guide rod 29 is also provided on the first clamping block 27. The bottom end of the guide rod 29 is fixedly connected to the first mounting base 21.
[0027] The platform 1 is also equipped with a third guide rail 12, the second mounting base 31 is slidably connected to the third guide rail 12, and the first positioning plate 33 is also equipped with positioning bolts 38.
[0028] Platform 1, first mounting base 21 and second mounting base 31 are each provided with a number of concave limiting blocks 13 at intervals. The first mounting base 21, second mounting base 31, first base 22 and second base 32 are provided with positioning pins 14. The bottom end of the positioning pin 14 is inserted into the concave limiting block 13. The two ends of platform 1 are provided with first anti-detachment blocks 15. The two ends of the first mounting base 21 and second mounting base 31 are provided with second anti-detachment blocks 210.
[0029] A fourth slide rail 16 is symmetrically provided on one side of the cylinder support positioning mechanism 2. The fourth slide rail 16 is fixedly connected to the platform 1 and is set perpendicular to the first slide rail 11. The third mounting base 41 is slidably connected to the fourth slide rail 16. A rotating shaft 45 is provided on the third mounting base 41. A first connecting rod 46 is sleeved on the rotating shaft 45. The rotating arm 42 is fixedly connected to the first connecting rod 46. A locking assembly 47 is also provided on the third mounting base 41 to fix the rotating arm 42. A column 48 is also symmetrically provided on the third mounting base 41. A positioning pin 14 is provided on the third mounting base 41. The bottom end of the positioning pin 14 is inserted into the concave limiting block 13 on the platform 1.
[0030] The third mounting base 41 is also provided with a clamping assembly 49, which includes a third base 491. The third base 491 is located on the third mounting base 41 on one side of the side plate positioning mechanism 4. A stop block 492 is detachably installed on the third mounting base 41 on the other side of the side plate positioning mechanism 4. A clamping screw 493 is screwed onto the third base 491.
[0031] A front connecting plate positioning mechanism 18 is also provided between the third mounting bases 41. The front connecting plate positioning mechanism 18 includes a first mounting post 181. The top end of the first mounting post 181 is connected to a second connecting rod 182 by a positioning bolt. The bottom end of the second connecting rod 182 is provided with a second positioning block 183.
[0032] The clamping mechanism 5 includes a second mounting post 51, a third connecting rod 52 connected to the top of the second mounting post 51, a first adjusting screw 53 screwed to the end of the third connecting rod 52, and a second clamping block 54 provided at the bottom of the first adjusting screw 53.
[0033] A side plate clamping mechanism 9 is provided on one side of the side plate cover clamping mechanism 7. The side plate clamping mechanism 9 includes a fourth mounting base 91, which is symmetrically fixed on the platform 1. A second adjusting screw 92 is provided at the top of the fourth mounting base 91.
[0034] The bracket positioning mechanism 8 includes a fifth mounting base 81, a fifth slide rail 17 on the platform 1, the fifth mounting base 81 and the fifth slide rail 17 are slidably connected, the fifth mounting base 81 is inserted into the concave limiting block 13 on the platform 1 through a positioning pin 14, the fifth mounting base 81 is provided with a positioning frame 82, and a third positioning block 83 is detachably installed on the positioning frame 82.
[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. An assembly fixture for an excavator main platform, comprising a platform (1), characterized in that: The platform (1) is slidably connected at both ends by a cylinder support positioning mechanism (2) and a counterweight installation positioning mechanism (3). The cylinder support positioning mechanism (2) includes a first mounting base (21), on which a first base (22) is symmetrically slidably connected. A clamping seat (23) is fixedly connected to the first base (22), and a clamping block (24) is provided on the clamping seat (23). A pin (25) is provided on the clamping block (24). The counterweight installation positioning mechanism (3) includes a second mounting base (31), on which a second base (32) is symmetrically slidably connected. A first positioning plate (33) is provided on the second base (32), which is sleeved on an adjusting rod (34). The bottom end of the adjusting rod (34) is rotatably connected to the second base (32). A height adjusting block (35) is also provided at the bottom of the first positioning plate (33). The height adjustment block (35) and the second base (32) are detachably installed. The bottom of the first positioning plate (33) is connected to the second positioning plate (37) by a screw (36). The platform (1) is also provided with a side plate positioning mechanism (4). The side plate positioning mechanism (4) includes a symmetrically arranged third mounting seat (41). A rotating arm (42) is rotatably connected to the third mounting seat (41). The end of the rotating arm (42) is provided with a first positioning block (43) and an electromagnet (44). A pressing mechanism (5) is symmetrically arranged on one side of the side plate positioning mechanism (4). The pressing mechanism (5) includes a bottom plate pressing mechanism (6) and a side plate cover plate pressing mechanism (7). A bracket positioning mechanism (8) is provided between the bottom plate pressing mechanism (6) and the side plate cover plate pressing mechanism (7). The bracket positioning mechanism (8) is slidably connected to the platform (1). The platform (1) is also provided with several support seats (10).
2. The assembly tooling for the excavator main platform according to claim 1, characterized in that: The platform (1) is provided with a first slide rail (11), the first mounting base (21) is slidably connected to the first slide rail (11), the first mounting base (21) is provided with a second slide rail (26), the first base (22) is slidably connected to the second slide rail (26), and the first slide rail (11) and the second slide rail (26) are vertically arranged.
3. The assembly tooling for the excavator main platform according to claim 2, characterized in that: A first pressing block (27) is also provided between the first base (22). An adjusting screw (28) is screwed on the first pressing block (27). A guide rod (29) is also provided on the first pressing block (27). The bottom end of the guide rod (29) is fixedly connected to the first mounting base (21).
4. The assembly tooling for the excavator main platform according to claim 3, characterized in that: The platform (1) is also provided with a third guide rail (12), the second mounting base (31) is slidably connected to the third guide rail (12), and the first positioning plate (33) is also provided with positioning bolts (38).
5. The assembly tooling for the excavator main platform according to claim 4, characterized in that: The platform (1), the first mounting base (21) and the second mounting base (31) are each provided with a plurality of concave limiting blocks (13) at intervals. The first mounting base (21), the second mounting base (31), the first base (22) and the second base (32) are provided with positioning pins (14). The bottom end of the positioning pins (14) is inserted into the concave limiting blocks (13). The two ends of the platform (1) are provided with first anti-detachment blocks (15), and the two ends of the first mounting base (21) and the second mounting base (31) are provided with second anti-detachment blocks (210).
6. The assembly tooling for the excavator main platform according to claim 5, characterized in that: The cylinder support positioning mechanism (2) has a fourth slide rail (16) symmetrically arranged on one side. The fourth slide rail (16) is fixedly connected to the platform (1) and is perpendicular to the first slide rail (11). The third mounting seat (41) is slidably connected to the fourth slide rail (16). The third mounting seat (41) is provided with a rotating shaft (45). The rotating shaft (45) is sleeved with a first connecting rod (46). The rotating arm (42) is fixedly connected to the first connecting rod (46). The third mounting seat (41) is also provided with a locking assembly (47) for fixing the rotating arm (42). The third mounting seat (41) is also symmetrically provided with a column (48). The third mounting seat (41) is provided with a positioning pin (14). The bottom end of the positioning pin (14) is inserted into the concave limiting block (13) on the platform (1). The third mounting base (41) is also provided with a clamping assembly (49). The clamping assembly (49) includes a third base (491). The third base (491) is located on the third mounting base (41) on one side of the side plate positioning mechanism (4). A stop block (492) is detachably installed on the third mounting base (41) on the other side of the side plate positioning mechanism (4). A clamping screw (493) is screwed onto the third base (491).
7. The assembly tooling for the excavator main platform according to claim 6, characterized in that: A front connecting plate positioning mechanism (18) is also provided between the third mounting base (41). The front connecting plate positioning mechanism (18) includes a first mounting post (181). The top end of the first mounting post (181) is connected to a second connecting rod (182) by a positioning bolt. The bottom end of the second connecting rod (182) is provided with a second positioning block (183).
8. The assembly tooling for the excavator main platform according to claim 7, characterized in that: The clamping mechanism (5) includes a second mounting post (51), the top of which is connected to a third connecting rod (52), the end of which is screwed with a first adjusting screw (53), and the bottom of the first adjusting screw (53) is provided with a second clamping block (54).
9. The assembly tooling for the excavator main platform according to claim 8, characterized in that: The side plate cover clamping mechanism (7) is provided with a side plate pressing mechanism (9) on one side. The side plate pressing mechanism (9) includes a fourth mounting base (91). The fourth mounting base (91) is symmetrically fixed on the platform (1). The top of the fourth mounting base (91) is provided with a second adjusting screw (92).
10. The assembly tooling for the excavator main platform according to claim 9, characterized in that: The bracket positioning mechanism (8) includes a fifth mounting base (81), a fifth slide rail (17) is provided on the platform (1), the fifth mounting base (81) is slidably connected to the fifth slide rail (17), the fifth mounting base (81) is inserted into the concave limiting block (13) on the platform (1) through a positioning pin (14), the fifth mounting base (81) is provided with a positioning frame (82), and a third positioning block (83) is detachably installed on the positioning frame (82).