Point splicing tool for rear hinge point assembly

Abstract

The utility model discloses a rear hinge point assembly point splicing tool, and belongs to the technical field of rear hinge point assembly point splicing, a tool platform is provided with a base, two groups of fixed backers and two groups of movable backers, the upper ends of the fixed backers and the upper ends of the movable backers are respectively and rotatably connected with a pressing device, and each group of fixed backers comprises a fixed backer main body part; the lower end of the fixing backer body is connected with a tool platform, the upper portion of the inner side of the fixing backer body is slidably connected with an upper positioning block in the vertical direction, the lower portion of the inner side of the fixing backer body is provided with a lower positioning block, the upper positioning block and the lower positioning block are respectively provided with a shaft sleeve assembly, and the two shaft sleeve assemblies are coaxially arranged in the vertical direction. The movable backers are divided into two sets and comprise movable backer main body parts, the movable backer main body parts are connected with the tool platform in a sliding mode, and jacking components are installed on the inner sides of the movable backer main body parts. Potential safety hazards in the point splicing process can be eliminated, the point splicing efficiency of the rear hinge point assembly is improved, and the point splicing quality of the rear hinge point assembly is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rear hinge point assembly splicing tool, belongs to the rear hinge point assembly splicing technical field. BACKGROUND

[0002] The rotary base of the concrete pump truck is mainly composed of left and right supporting leg boxes, a cylinder assembly and a rear hinge point assembly. Figure 5 The rear hinge point assembly is one of the components of the rotary base, is welded at the rear end of the rotary base and is used for connecting the rear supporting leg of the concrete pump truck. The rear hinge point assembly is connected with the rear swing leg, and the coaxiality and the pitch at the hinge point are required to be high. The long shaft is heavy and difficult to be worn, and has a safety hazard. The upper and lower shaft sleeves are placed with a circular tube to ensure the upper and lower pitches, and the left and right pitches are ensured by marking. The vertical plate is spliced by manual marking, and the precision is poor. The error is large after splicing. The production progress is affected, and the repair is required in the later assembly process. UTILITY MODEL CONTENTS

[0003] The utility model wants to solve the technical problem, overcomes the defects of prior art, provides a rear hinge point assembly splicing tool, can eliminate the safety hazard in the splicing process, improves the rear hinge point assembly splicing efficiency and guarantees the splicing quality of the rear hinge point assembly.

[0004] To solve the above technical problems, the utility model adopts the technical scheme that:

[0005] A rear hinge point assembly splicing tool, including tool platform, be provided with base, fixed abutment and mobile abutment on the tool platform, the fixed abutment and mobile abutment are located the outside of the base, the fixed abutment and mobile abutment upper end all rotationally connected with pressure device, the fixed abutment is two groups, including fixed abutment main part, the fixed abutment main part lower end is connected with the tool platform, the fixed abutment main part inboard upper portion is slidably connected with upper positioning block in the up-down direction, the fixed abutment main part inboard lower portion is provided with lower positioning block, the upper positioning block and lower positioning block are provided with shaft sleeve assembly respectively, two shaft sleeve assemblies are coaxially arranged in the up-down direction, the mobile abutment is two groups, including mobile abutment main part, the mobile abutment main part is slidably connected with the tool platform, and the mobile abutment main part inboard is installed with the top tight part.

[0006] The pressure device includes a base plate, a lead screw connected vertically on the base plate, and a handle installed on the lead screw.

[0007] The pressing device comprises a base plate, a cylinder is arranged on the base plate, and an output shaft of the cylinder is connected with a locking mechanism.

[0008] A first sliding rail is arranged on the upper part of the inner side of the fixed backstop body part, and the upper positioning block is in sliding fit with the first sliding rail.

[0009] A sliding block is connected to the lower part of the movable backstop body part, and the sliding block is in fit with a second sliding rail, which is installed on the tooling platform.

[0010] The fixed backstop body part and the upper positioning block are relatively slid through a pulley.

[0011] The movable backstop body part and the tooling platform are relatively slid through a pulley.

[0012] The top pressing part comprises a bolt.

[0013] The utility model discloses a kind of rear hinge point assembly point assembly tool, and upper positioning block and lower positioning block are respectively provided with shaft sleeve assembly, two shaft sleeve assemblies are coaxially arranged in upper and lower directions, and manual guarantee is replaced by using tooling guarantee size precision, only need to place shaft sleeve to positioning block can guarantee coaxiality and span, reduce the safety risk of manual shaft insertion guaranteeing coaxiality;Fixed backstop and movable backstop upper end are rotatably connected with pressing device, and pressing device is used to reduce the gap between the vertical plate of rear hinge point assembly and cover plate and bottom plate, can avoid the case that vertical plate protrudes, provide guarantee for subsequent process completion;Using tooling, it can improve point assembly efficiency, and high-quality and efficient work is completed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of the utility model one kind of rear hinge point assembly point assembly tool;

[0015] Figure 2 It is a structure schematic view of the utility model fixed backstop;

[0016] Figure 3 It is a structure schematic view of the utility model movable backstop;

[0017] Figure 4 It is a structure schematic view of the utility model rear hinge point assembly point assembly after completion;

[0018] Figure 5 It is a structure schematic view of the utility model rear hinge point assembly;

[0019] The reference signs in the drawings are as follows: 1 - tooling platform; 2 - fixed backstop; 3 - movable backstop; 4 - base; 5 - pressing device; 6 - rear hinge point assembly; 21 - backstop main body part; 22 - lower positioning block; 23 - upper positioning block; 24 - shaft sleeve assembly; 25 - first sliding rail; 31 - second sliding rail; 32 - sliding block; 33 - movable backstop main body part; 34 - jacking part. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with the drawings, and the following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot be used to limit the protection scope of the utility model.

[0021] Example 1

[0022] As Figure 1 shown, the utility model discloses a rear hinge point assembly splicing tool, including tooling platform 1, tooling platform 1 is provided with base 4, fixed backstop 2 and movable backstop 3, and fixed backstop 2 and movable backstop 3 are located on the outside of base 4. The upper end of fixed backstop 2 and movable backstop 3 is rotatably connected with pressing device 5, and pressing device 5 is used to reduce the gap between the vertical plate and the cover plate and the bottom plate of the rear hinge point assembly. In the utility model, the pressing device 5 includes a base plate, a lead screw is connected in the vertical direction on the base plate, and a handle is installed on the lead screw. The handle drives the lead screw to move up and down, realizing the pressing action.

[0023] As Figure 2 shown, fixed backstop 2 is two groups, corresponding two groups of bushings on rear hinge point assembly 6 are installed. Fixed backstop 2 includes fixed backstop main body part 21, and the lower end of fixed backstop main body part 21 is connected with tooling platform 1. The upper part of the inner side of fixed backstop main body part 21 is slidably connected with upper positioning block 23 in the up-down direction. Specifically, the upper part of the inner side of fixed backstop main body part 21 is provided with first sliding rail 25, and upper positioning block 23 is in sliding cooperation with first sliding rail 25. The lower part of the inner side of fixed backstop main body part 21 is provided with lower positioning block 22. Upper positioning block 23 and lower positioning block 22 are respectively provided with shaft sleeve assembly 24. The two shaft sleeve assemblies 24 are coaxially arranged in the up-down direction and are used to fix the shaft sleeve of the rear hinge point assembly.

[0024] As Figure 3 shown, movable backstop 3 is two groups, corresponding two right-angle edges on rear hinge point assembly 6 are installed. Movable backstop 3 includes movable backstop main body part 33, and movable backstop main body part 33 is slidably connected with tooling platform 1. Specifically, the lower part of movable backstop main body part 33 is connected with sliding block 32, and sliding block 32 cooperates with second sliding rail 31, and second sliding rail 31 is installed on tooling platform 1. Jacking part 34 is installed on the inner side of movable backstop main body part 33, and jacking part 34 is a bolt.

[0025] The working process of the utility model is: first, the bottom plate of the rear hinge point assembly 6 is fixed on the base 4, then the two lower shaft sleeves are fixed on the bushing assembly 9 of the lower positioning block 7 to carry out the point splicing. Then the vertical plate between the cover plate and the bottom plate of the rear hinge point assembly 6 is spliced in turn. Then the two upper shaft sleeves on the rear hinge point assembly 6 are fixed on the bushing assembly 9 of the upper positioning block 8, and the upper positioning block 8 is adjusted in sliding mode through the first sliding rail 25 to adjust the gauge between the upper and lower shaft sleeves. After the gauge adjustment is completed, the cover plate is placed, the movable backstop 3 is adjusted to move close to the bottom plate, the cover plate and the vertical plate through the second sliding rail 31, the three edges are ensured to be in the same plane, and the movable backstop 2 is fixed by using the clamping part 34. Finally, the cover plate is pressed by adjusting the pressing device 5, the gap is reduced, the point splicing is carried out, and the state of the tooling after the point splicing of the hinge point assembly is as shown in Figure 4 .

[0026] In the utility model, the shaft sleeve assembly is arranged on the upper positioning block and the lower positioning block respectively, the two shaft sleeve assemblies are coaxially arranged in the up-down direction, the size precision is ensured by using the tooling instead of manual ensuring, the coaxiality and the gauge can be ensured only by placing the shaft sleeve on the positioning block, the safety risk of ensuring the coaxiality by manual shaft penetration is reduced; the pressing device is rotatably connected to the upper end of the fixed backstop and the movable backstop, the pressing device is used for reducing the gap between the vertical plate and the cover plate and the bottom plate of the rear hinge point assembly, the protrusion of the vertical plate can be avoided, and the guarantee for the completion of the subsequent process is provided; the tooling is used, the point splicing efficiency can be improved, and the work can be completed with high quality and high efficiency.

[0027] Embodiment 2

[0028] As shown in Figure 1 , the utility model discloses a rear hinge point assembly point splicing tooling, including tooling platform 1, be provided with base 4, fixed backstop 2 and movable backstop 3 on tooling platform 1, and fixed backstop 2 and movable backstop 3 are located on the outside of base 4. The upper end of fixed backstop 2 and movable backstop 3 is rotatably connected with pressing device 5, and pressing device 5 is used to reduce the gap between the vertical plate and the cover plate and the bottom plate of the rear hinge point assembly. In the utility model, pressing device 5 includes base plate, and the base plate is provided with a cylinder, and the output shaft of the cylinder is connected with a locking mechanism, and the cylinder drives the locking mechanism to move up and down, and realizes the pressing action.

[0029] As shown in Figure 2 , fixed backstop 2 is two groups, corresponding two groups of bushings on rear hinge point assembly 6 installation. Fixed backstop 2 includes fixed backstop main part 21, and the lower end of fixed backstop main part 21 is connected with tooling platform 1, and the inner side upper portion of fixed backstop main part 21 is slidably connected with upper positioning block 23 in the up-down direction, and specifically, the relative sliding between fixed backstop main part 21 and upper positioning block 23 is realized through a pulley. The inner side lower portion of fixed backstop main part 21 is provided with lower positioning block 22, and the upper positioning block 23 and the lower positioning block 22 are respectively provided with shaft sleeve assembly 24, and the two shaft sleeve assemblies 24 are coaxially arranged in the up-down direction, and are used for fixing the shaft sleeve of the rear hinge point assembly.

[0030] As Figure 3 shown, the mobile backer 3 is two groups, corresponding to the two right-angle edges of the rear hinge point assembly 6. The mobile backer 3 comprises a mobile backer body part 33, which is in sliding connection with the tooling platform 1. Specifically, the mobile backer body part 33 and the tooling platform 1 are relatively slid through a pulley. A clamping part 34 is installed on the inner side of the mobile backer body part 33, which is a bolt.

[0031] The working process of the utility model is as follows: first, the bottom plate of the rear hinge point assembly 6 is fixed on the base 4, and then the lower two shaft sleeves are fixed on the bushing assembly 9 of the lower positioning block 7 to perform point assembly. Then, the vertical plate between the cover plate and the bottom plate of the rear hinge point assembly 6 is sequentially assembled. Then, the upper two shaft sleeves on the rear hinge point assembly 6 are fixed on the bushing assembly 9 of the upper positioning block 8, and the upper positioning block 8 is slid through a pulley to adjust the distance between the upper and lower shaft sleeves. After the distance adjustment is completed, the cover plate is placed, the mobile backer 3 is adjusted to be close to the bottom plate, the cover plate and the vertical plate through the pulley, so as to ensure that the three edges are in the same plane, and the mobile backer 2 is fixed by using the clamping part 34. Finally, the cover plate is pressed by adjusting the pressing device 5 to reduce the gap, and the point assembly is performed. The state of the tooling after the hinge point assembly is assembled is shown in Figure 4 .

[0032] The above is only the preferred embodiment of the utility model, and it should be pointed out that: for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principles of the utility model, and these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. A rear hinge point assembly pinning fixture, characterized by: The utility model provides a kind of tooling platform, which comprises a base (4), a fixed backstop (2) and a movable backstop (3) arranged on the tooling platform (1), the fixed backstop (2) and the movable backstop (3) are located outside the base (4), the upper end of the fixed backstop (2) and the movable backstop (3) is rotatably connected with a pressing device (5), the fixed backstop (2) is two groups, including a fixed backstop main body (21), the lower end of the fixed backstop main body (21) is connected with the tooling platform (1), the upper part of the inner side of the fixed backstop main body (21) is slidably connected with an upper positioning block (23), the lower part of the inner side of the fixed backstop main body (21) is provided with a lower positioning block (22), the upper positioning block (23) and the lower positioning block (22) are respectively provided with a shaft sleeve assembly (24), the two shaft sleeve assemblies (24) are coaxially arranged in the vertical direction, the movable backstop (3) is two groups, including a movable backstop main body (33), the movable backstop main body (33) is slidably connected with the tooling platform (1), and the inner side of the movable backstop main body (33) is provided with a tightening component (34).

2. The rear pivot assembly point-in-space tooling of claim 1, wherein: The pressing device (5) comprises a base plate, a lead screw is connected in the vertical direction on the base plate, and a handle is installed on the lead screw.

3. The rear pivot assembly point assembly tool of claim 1, wherein: The pressing device (5) comprises a base plate, a gas cylinder is arranged on the base plate, and a locking mechanism is connected with the output shaft of the gas cylinder.

4. The rear pivot assembly point assembly tool of claim 1, wherein: The upper part of the inner side of the fixed backstop main body (21) is provided with a first sliding rail (25), and the upper positioning block (23) is in sliding cooperation with the first sliding rail (25).

5. The rear pivot assembly point assembly tool of claim 1, wherein: The lower part of the movable backstop main body (33) is connected with a sliding block (32), the sliding block (32) cooperates with a second sliding rail (31), and the second sliding rail (31) is installed on the tooling platform (1).

6. The rear pivot assembly point assembly tool of Claim 1, wherein: The fixed backstop main body (21) and the upper positioning block (23) are relatively slid by a pulley.

7. The posterior hinge assembly stitch jig of Claim 1, wherein: The movable backstop main body (33) and the tooling platform (1) are relatively slid by a pulley.

8. The posterior hinge assembly stitch jockey of claim 1, wherein: The tightening component (34) comprises a bolt.

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