Scissor arm inspection tool

Abstract

The utility model discloses a scissor arm inspection tool, which belongs to the technical field of scissor arm inspection tools, and comprises a positioning plate of which the position can be independently adjusted, the positioning plate is slidably connected along the axial direction of a support, and the position between the positioning plate and the support can be adjusted by a positioning hole in the positioning plate according to an assembly hole of a scissor arm; the positioning plates are arranged on the base, the second positioning plates are arranged between every two adjacent supports in the direction of the central axis of the base, the positioning plates are matched with the second positioning plates, the same tool can be suitable for hole alignment inspection of scissor arms of different sizes and specifications, the working efficiency is improved, the workshop space is saved, and the production cost is reduced.

Description

Technical Field:

[0001] The utility model belongs to the technical field of scissor arm inspection tools, and more specifically relates to a scissor arm inspection tool. Background Art:

[0002] The scissor lift device is a common lifting device for working at heights. It is composed of multiple scissor arms hinged in sequence. During the installation of the scissor arms, the assembly holes of the scissor arms need to be aligned. If there is a deviation in the assembly holes, it will affect the product quality of the scissor lift device and seriously affect the service life of the product. Currently, after positioning the scissor arms with a positioning tooling, holes are drilled through welding or a drilling machine, and then the hole alignment inspection is carried out through an inspection tooling.

[0003] Currently, the size specifications of scissor arms are increasing. For scissor arms of different sizes, the positions of their assembly holes are also different. The existing scissor arm inspection tooling cannot be used to perform hole alignment inspections on scissor arms of different size specifications. Different scissor arm inspection toolings need to be used for hole alignment inspections, which takes up more space and increases production costs. Summary of the Utility Model:

[0004] To solve the above problems and overcome the deficiencies of the prior art, the utility model provides a scissor arm inspection tooling.

[0005] The technical problem to be solved is that the existing scissor arm inspection tooling cannot be used to perform hole alignment inspections on scissor arms of different size specifications. Different scissor arm inspection toolings need to be used for hole alignment inspections, which takes up more space and increases production costs.

[0006] The specific technical solution for the utility model to solve the above technical problems is as follows: The described scissor arm inspection tooling includes a base. The base is a frame structure with a horizontal upper surface. At the front end, rear end, and middle of the upper end surface of the base, supports are fixedly arranged. The supports are symmetrically arranged on the base along the central axis of the base. A positioning plate is arranged on the upper part of the support, and the positioning plates are arranged oppositely. Positioning holes corresponding to the assembly holes of the scissor arms are opened on the positioning plates. A positioning pin shaft that can be inserted and pulled out and is used to penetrate the assembly holes of the scissor arms is arranged between the oppositely arranged positioning plates. The positioning pin shaft penetrates the positioning holes and is movably connected to the positioning holes.

[0007] The positioning plate is slidably connected along the axial direction of the support. The positioning plate includes a positioning plate body and a positioning plate support seat. The positioning plate body is welded to the positioning plate support seat. A slider is arranged on the lower end surface of the positioning plate support seat, and a chute matching the slider is opened on the upper end surface of the support.

[0008] Further, the positioning plate and the support are fixed by bolts. A preset number of first fastening threaded holes are provided on the upper end surface of the support outside the sliding groove, and the positioning plate support seat is provided with second fastening threaded holes adapted to the first fastening threaded holes.

[0009] Further, a second positioning plate is provided between two adjacent supports along the central axis direction of the base. The second positioning plate is provided with positioning holes corresponding to the connection ends of the scissors arm cylinders, and the second positioning plate is symmetrically arranged on the base along the central axis of the base.

[0010] Further, the second positioning plate and the base are detachably connected by bolts.

[0011] Further, a scissors arm support seat with an upward opening for supporting the scissors arm is provided on the support at the front end or the rear end of the upper end surface of the base.

[0012] The beneficial effects of the present utility model are as follows:

[0013] One advantage of the present utility model is that it provides a positioning plate capable of independently adjusting its position. The positioning plate is slidably connected along the axial direction of the support, and the positioning holes on the positioning plate can adjust the position between the positioning plate and the support according to the assembly holes of the scissors arm; and a second positioning plate is provided between two adjacent supports along the central axis direction of the base. The positioning plate and the second positioning plate cooperate with each other, which can meet the requirement that the same tooling can be used for hole alignment inspection of scissors arms of different sizes and specifications, improve work efficiency, save factory space, and reduce production costs. It solves the problem in the prior art that the existing scissors arm inspection tooling cannot be used for hole alignment inspection of scissors arms of different sizes and specifications, and different scissors arm inspection tooling need to be used for hole alignment inspection, which occupies more space and increases production costs.

[0014] One advantage of the present utility model is that the positioning plate and the support can be fixed by bolts to prevent displacement between the positioning plate and the support during the inspection process, resulting in inaccurate inspection. Description of the drawings:

[0015] Att Figure 1 is a schematic structural diagram of the present utility model;

[0016] Att Figure 2 is a schematic top view structural diagram of the present utility model;

[0017] Att Figure 3 is a schematic left view structural diagram of the present utility model;

[0018] Att Figure 4 is a schematic assembly structural diagram of the present utility model and the scissors arm;

[0019] Att Figure 5It is a schematic diagram of the assembly structure of the utility model and a scissors arm with a cylinder connection end;

[0020] Appendix Figure 6 It is a schematic diagram of the assembly structure of the utility model and a scissors arm with a bracket; In the attached drawings:

[0021] 1. Base; 2. Support; 21. Sliding groove; 22. First fastening threaded hole; 3. Positioning plate; 31. Positioning plate body; 32. Positioning plate support seat; 321. Slide block; 322. Second fastening threaded hole; 4. Positioning pin shaft; 5. Second positioning plate; 6. Scissors arm support seat. Specific implementation method:

[0022] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "rear", "lower left", "upper right", "outer", etc. is based on the orientation or positional relationship shown in the attached drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the protection scope of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] The specific implementation method of the present utility model: The described scissors arm inspection tooling includes a base 1. The base 1 is a frame structure with a horizontal upper surface. At the front end, rear end and middle of the upper end surface of the base 1, supports 2 are fixedly arranged;

[0024] As a preferred implementation method of the present utility model,

[0025] The supports 2 are symmetrically arranged on the base 1 along the central axis of the base 1. A positioning plate 3 is arranged on the upper part of the support 2, and the positioning plates 3 are arranged oppositely; Positioning holes corresponding to the scissors arm assembly holes are opened on the positioning plates 3. A positioning pin shaft 4 that can be inserted and pulled out and is used to penetrate the scissors arm assembly holes is arranged between the oppositely arranged positioning plates 3. The positioning pin shaft 4 penetrates the positioning holes and is movably connected to the positioning holes;

[0026] The positioning plate 3 is slidably connected along the axial direction of the support 2. The positioning plate 3 includes a positioning plate body 31 and a positioning plate support seat 32. The positioning plate body 31 is welded to the positioning plate support seat 32. A slide block 321 is arranged on the lower end surface of the positioning plate support seat 32. A sliding groove 21 that matches the slide block 321 is opened on the upper end surface of the support 2.

[0027] To prevent displacement between the positioning plate 3 and the support 2 during the inspection process, which may lead to inaccurate inspection, the positioning plate 3 and the support 2 can be fixed by bolts. On the upper end surface of the support 2 outside the sliding groove 21, a preset number of first fastening threaded holes 22 are provided. The positioning plate support base 32 is provided with second fastening threaded holes 322 adapted to the first fastening threaded holes 22, and the second fastening threaded holes 322 and the first fastening threaded holes 22 are fastened by bolts.

[0028] To inspect the scissors arms with cylinder connection ends and the scissors arms with brackets installed at the head and tail ends of the aerial work platform, a second positioning plate 5 is provided between two adjacent supports 2 along the central axis direction of the base 1. The second positioning plate 5 is provided with positioning holes corresponding to the cylinder connection ends of the scissors arms. The second positioning plate 5 is symmetrically arranged on the base 1 along the central axis of the base 1, and the second positioning plate 5 and the base 1 are detachably connected by bolts.

[0029] With this structure, the support 2 is provided with a positioning plate 3 capable of independently adjusting its position. The positioning plate 3 is slidably connected along the axial direction of the support 2. The positioning holes on the positioning plate 3 can adjust the position between the positioning plate 3 and the support 2 according to the assembly holes of the scissors arms. And a second positioning plate 5 is provided between two adjacent supports 2 along the central axis direction of the base 1. The positioning plate 3 and the second positioning plate 5 cooperate with each other, which can meet the requirement of using the same tooling to perform hole alignment inspection on scissors arms of different sizes and specifications, improve work efficiency, save factory space and reduce production costs.

[0030] On the support 2 at the front end or the rear end of the upper end surface of the base 1, there is a scissors arm support seat 6 opening upward for supporting the scissors arms. As a preferred embodiment of the present invention, the scissors arm support seat 6 is installed on the support 2 at the rear end of the base 1. The scissors arm support seats 6 are arranged oppositely, and the scissors arm support seat 6 and the support 2 are fixedly connected by bolts.

[0031] It should be noted that the present invention is a scissors arm inspection tooling. Specifically during operation,

[0032] According to the size specifications of the scissors arms to be inspected, adjust the positions between the positioning plates 3 and the supports 2 at the front end, the rear end and the middle of the base 1. After the positions are determined, fix the positioning plates 3 and the supports 2 by bolts.

[0033] Remove the positioning pin shaft 4 between the positioning seats, place the scissors arm to be inspected on the support 2. The staff member selects any two positioning holes corresponding to the assembly holes of the scissors arm among the supports 2 arranged at the front end, rear end, and middle of the base 1, and then passes the positioning pin shaft 4 through the positioning holes and the assembly holes of the scissors arm. After both of the selected two positioning holes are penetrated by the positioning pin shaft 4, subsequently, use the positioning pin shaft 4 to penetrate the remaining positioning holes corresponding to the assembly holes of the scissors arm. If the positioning pin shaft 4 can penetrate through the positioning holes and the assembly holes of the scissors arm, it indicates that the connection holes of the scissors arm are welded precisely and can be assembled for high-altitude operation; if the positioning pin shaft 4 cannot penetrate through the positioning hole and any one of the assembly holes of the scissors arm, it indicates that there are defects in the welding of the connection holes of the scissors arm and the positions do not correspond, and reprocessing is required.

[0034] When it is necessary to inspect the scissors arm with a cylinder connection end:

[0035] The assembly holes of the scissors arm correspond to the positioning holes, and among them, the assembly holes at the cylinder connection end of the scissors arm need to correspond to the positioning holes on the second positioning plate 5. The staff member will use the positioning pin shaft 4 to penetrate the positioning holes and the assembly holes of the scissors arm. If the positioning pin shaft 4 can penetrate through the positioning holes and the assembly holes of the scissors arm, it indicates that the connection holes of the scissors arm are welded precisely and can be assembled for high-altitude operation; if the positioning pin shaft 4 cannot penetrate through the positioning hole and any one of the assembly holes of the scissors arm, it indicates that there are defects in the welding of the connection holes of the scissors arm and the positions do not correspond, and reprocessing is required.

[0036] When installing the scissors arms with brackets at both the front and rear ends of the aerial work platform:

[0037] First, determine the position between the positioning plate 3 and the support 2 according to the size specifications of the scissors arm. After the position is determined, fix the positioning plate 3 and the support 2 with bolts; remove the positioning pin shaft 4 between the positioning seats, place the scissors arm to be inspected on the support 2, and then place the bracket of the scissors arm on the scissors arm support seat 6. The staff member will use the positioning pin shaft 4 for inspection, and the inspection process is the same as above and will not be elaborated here.

[0038] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A scissor arm inspection tooling, comprising a base (1), the base (1) being a frame structure with a horizontal upper surface, characterized in that: Supports (2) are fixedly arranged at the front end, rear end and middle of the upper end surface of the base (1), and the supports (2) are symmetrically arranged on the base (1) along the central axis of the base (1); A positioning plate (3) is arranged on the upper part of the support (2), and the positioning plates (3) are arranged oppositely; positioning holes corresponding to the assembly holes of the scissor arm are formed in the positioning plates (3), and a positioning pin shaft (4) that can be inserted and pulled out to penetrate the assembly holes of the scissor arm is arranged between the oppositely arranged positioning plates (3), and the positioning pin shaft (4) penetrates the positioning holes and is movably connected to the positioning holes; The positioning plate (3) is slidably connected along the axial direction of the support (2), the positioning plate (3) comprises a positioning plate body (31) and a positioning plate support seat (32), the positioning plate body (31) is welded to the positioning plate support seat (32), a slider (321) is arranged on the lower end surface of the positioning plate support seat (32), and a chute (21) matched with the slider (321) is formed on the upper end surface of the support (2).

2. The scissors arm inspection tooling according to claim 1, characterized in that The positioning plate (3) and the support (2) are fixed by bolts. A preset number of first fastening threaded holes (22) are formed on the upper end surface of the support (2) outside the chute (21), a second fastening threaded hole (322) adapted to the first fastening threaded hole (22) is formed in the positioning plate support seat (32), and the first fastening threaded hole (22) and the second fastening threaded hole (322) are threadedly connected by bolts.

3. The scissors arm inspection tooling according to claim 1, characterized in that A second positioning plate (5) is arranged between two adjacent supports (2) along the central axis direction of the base (1), positioning holes corresponding to the connection ends of the scissor arm cylinders are formed in the second positioning plate (5), and the second positioning plate (5) is symmetrically arranged on the base (1) along the central axis of the base (1).

4. The scissors arm inspection tooling according to claim 3, characterized in that The second positioning plate (5) is detachably connected to the base (1) by bolts.

5. The scissors arm inspection tooling according to claim 1, characterized in that A scissor arm support seat (6) with an upward opening for supporting the scissor arm is arranged on the support (2) at the front end or rear end of the upper end surface of the base (1).

Images