Positioning tool for assembling movable arms of excavator

The combined structure of the base plate and the positioning assembly solves the problems of complicated arm assembly and positioning and inconvenient detection in the prior art, and achieves fast and accurate positioning and detection effects.

CN223406787UActive Publication Date: 2025-10-03SHANDONG JINTUO ENGINEERING MACHINERY CO LTD
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Patent Information

Application Number
CN202322281741.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-08-24
Publication Date
2025-10-03
Estimated Expiration
2033-08-24

AI Technical Summary

Technical Problem

In the existing technology, the assembly positioning of the boom mainly relies on manual infrared calibration, which is a cumbersome process and requires multiple movements. Moreover, it is difficult to detect whether the positioning meets the standards after positioning.

Method used

It adopts a combined structure of base plate, clamping plate, positioning plate, positioning pin, pull ring, positioning assembly, support plate, positioning rod, movable frame and limit ring. By pulling the auxiliary ring to drive the pull rod and barrier ring, the compression and rebound of the spring are used to achieve rapid positioning and fixation of the boom group.

Benefits of technology

It realizes the rapid positioning and fixation of the boom group, simplifies the operation process, and improves the accuracy of positioning and the convenience of detection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223406787U_ABST
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Abstract

A positioning tool for assembling movable arms of an excavator comprises a bottom plate, the upper end of the bottom plate is fixedly connected with a clamping plate, the upper end of the bottom plate is fixedly connected with a positioning plate, an inner cavity of the positioning plate is movably connected with positioning pins, the opposite sides of the two positioning pins are both fixedly connected with pull rings, and the left side of the upper end of the bottom plate is fixedly connected with a positioning assembly. A supporting plate is fixedly connected to the right side of the upper end of the bottom plate, and a positioning rod is fixedly connected to the front side of the supporting plate. Through cooperative use of the bottom plate, the clamping plate, the positioning plate, the positioning pin, the pull ring, the positioning assembly, the supporting plate, the positioning rod, the movable frame and the limiting ring, the following problems are solved: firstly, when a movable arm group is assembled and positioned in the prior art, positioning and proofreading are carried out by using infrared rays manually, and the positioning accuracy is greatly improved; however, the calibration mode is tedious and needs a user to move a movable arm group for multiple times, and the problem that whether the movable arm group reaches the standard is inconvenient to detect after positioning is solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of excavator processing, in particular to a positioning tool for an excavator boom assembly. Background Art

[0002] The boom is a working device of an excavator, often called the arm or forearm. Its main function is to control the bucket's digging, loading, and other movements. The arm connected to the frame is longer, so it is commonly called the boom, and its technical term is boom. The arm connected to the bucket is smaller, so it is commonly called the forearm, and its technical term is the arm, so they are commonly called the big and small arms.

[0003] The existing method of assembling and positioning the boom group is mostly done manually by using infrared rays for positioning and calibration. However, this calibration method is not only cumbersome but also requires the user to move the boom group multiple times. In addition, it is not convenient to check whether it meets the standards after positioning. Utility Model Content

[0004] In response to the problems existing in the prior art, the utility model provides a positioning tool for an excavator boom group, which can solve the following problems: 1. The existing assembly and positioning of the boom group is mostly done manually using infrared rays for positioning and calibration. However, this calibration method is not only cumbersome but also requires the user to move the boom group multiple times. 2. After positioning, it is not convenient to check whether it meets the standards.

[0005] The utility model is implemented as follows: a positioning tool for an excavator boom group, comprising a base plate, the upper end of the base plate is fixedly connected to a clamping plate, the upper end of the base plate is fixedly connected to a positioning plate, the inner cavity of the positioning plate is movably connected to a positioning pin, the opposite sides of the two positioning pins are fixedly connected to a pull ring, the left side of the upper end of the base plate is fixedly connected to a positioning assembly, the right side of the upper end of the base plate is fixedly connected to a support plate, the front side of the support plate is fixedly connected to a positioning rod, the front and rear sides of the surface of the positioning rod are both provided with a movable frame, and the front side of the positioning rod is fixedly connected to a limiting ring.

[0006] As a preferred embodiment of the present invention, the positioning assembly includes a positioning frame, the right side of the positioning frame is fixedly connected to a fixing plate, the upper end of the left side of the positioning frame is fixedly connected to a connecting frame, the front side of the positioning frame is fixedly connected to a frame, the front side of the frame is provided with a pull rod, the pull rod passes through the frame and the connecting frame, the surface of the pull rod is sleeved with a spring, the front side of the spring is fixedly connected to a blocking ring, the inner cavity of the blocking ring is fixedly connected to the pull rod, the rear side of the spring is fixedly connected to the front side of the connecting frame, the front side of the pull rod is fixedly connected to an auxiliary ring, the right side of the positioning frame close to the connecting frame is fixedly connected to a gasket, and the lower end of the positioning frame is fixedly connected to the upper end of the base plate.

[0007] As a preferred embodiment of the present invention, a fixing block is fixedly connected to the front side of the positioning frame, and the fixing block is fixedly connected to the bottom plate on a side close to the bottom plate.

[0008] As a preferred embodiment of the present invention, both sides of the fixing block are fixedly connected with reinforcement bolts, and the reinforcement bolts pass through the fixing block and are fixedly connected to the positioning frame.

[0009] As a preferred embodiment of the present invention, the lower end of the base plate is fixedly connected to a supporting leg, the number of the supporting legs is four, and the upper ends of the four supporting legs are fixedly connected to the four corners of the lower end of the base plate.

[0010] As a preferred embodiment of the present invention, the number of the pallets is three, and the three pallets are arranged one by one from left to right.

[0011] As a preferred embodiment of the present invention, a positioning block is fixedly connected to the front side of the support plate, and the side of the positioning block close to the bottom plate is fixedly connected to the bottom plate.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The utility model solves the following problems by setting up, cooperating with the use of a base plate, a card plate, a positioning plate, a positioning pin, a pull ring, a positioning assembly, a support plate, a positioning rod, a movable frame and a limit ring structure: 1. In the existing assembly and positioning of the boom group, most of them are manually positioned and corrected using infrared rays. However, this correction method is not only cumbersome but also requires the user to move the boom group multiple times. 2. It is inconvenient to detect whether it meets the standards after positioning.

[0014] 2. The utility model is to place the excavator boom group on the surface of the bottom plate when it is needed to position the excavator boom group, and then pull the auxiliary ring to drive the pull rod to move, and then drive the blocking ring to move by the pull rod, and then drive the spring to compress by the blocking ring, and then put the other end of the boom group into the interior of the frame to contact with the gasket, and then release the auxiliary ring spring to rebound, and then drive the blocking ring to move by the spring, and then drive the pull rod to move to fix the boom group. The existing assembly and positioning of the boom group is mostly done manually using infrared rays for positioning and calibration. However, this calibration method is not only cumbersome but also requires the user to move the boom group many times. The positioning frame, the fixing block and the bottom plate are used in conjunction with each other to achieve the effect of limiting the positioning frame. The fixing block, the positioning frame and the reinforcing bolt are used in conjunction with each other to achieve the effect of reinforcing the fixing block when the equipment is in use.

[0015] 3. The utility model supports the equipment by setting the base plate and the supporting legs, quickly positions the boom group by setting the clamping plate, and fixes the support plate by setting the supporting plate, the positioning block and the base plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure provided by an embodiment of the present utility model;

[0017] Figure 2 The embodiment of the present utility model provides Figure 1 A schematic diagram of the structure at center A;

[0018] Figure 3 This is a schematic diagram of the bottom plate structure provided by an embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of a positioning component provided by an embodiment of the present utility model.

[0020] In the figure: 1. Base plate; 2. Clamping plate; 3. Positioning plate; 4. Positioning pin; 5. Pull ring; 6. Positioning assembly; 7. Support plate; 8. Positioning rod; 9. Moving frame; 10. Limiting ring; 11. Fixing block; 12. Reinforcement bolt; 13. Support leg; 14. Positioning block; 601. Positioning frame; 602. Fixing plate; 603. Connecting frame; 604. Frame; 605. Pull rod; 606. Spring; 607. Blocking ring; 608. Auxiliary ring. DETAILED DESCRIPTION

[0021] In order to further understand the content, features and effects of the present invention, the following embodiments are listed and described in detail with reference to the accompanying drawings.

[0022] The structure of the present utility model is described in detail below with reference to the accompanying drawings.

[0023] like Figures 1 to 4 As shown, an embodiment of the utility model provides a positioning tool for an excavator boom group, including a base plate 1, the upper end of the base plate 1 is fixedly connected to a clamping plate 2, the upper end of the base plate 1 is fixedly connected to a positioning plate 3, the inner cavity of the positioning plate 3 is movably connected to a positioning pin 4, the two opposite sides of the positioning pins 4 are fixedly connected to a pull ring 5, the left side of the upper end of the base plate 1 is fixedly connected to a positioning assembly 6, the right side of the upper end of the base plate 1 is fixedly connected to a support plate 7, the front side of the support plate 7 is fixedly connected to a positioning rod 8, the front and rear sides of the surface of the positioning rod 8 are both provided with a movable frame 9, and the front side of the positioning rod 8 is fixedly connected to a limiting ring 10.

[0024] refer to Figure 4, positioning assembly 6, including a positioning frame 601, the right side of the positioning frame 601 is fixedly connected to a fixing plate 602, the upper end of the left side of the positioning frame 601 is fixedly connected to a connecting frame 603, the front side of the positioning frame 601 is fixedly connected to a frame 604, the front side of the frame 604 is provided with a pull rod 605, the pull rod 605 passes through the frame 604 and the connecting frame 603, the surface of the pull rod 605 is provided with a spring 606, the front side of the spring 606 is fixedly connected to a blocking ring 607, the inner cavity of the blocking ring 607 is fixedly connected to the pull rod 605, the spring The rear side of 606 is fixedly connected to the front side of the connecting frame 603, the front side of the pull rod 605 is fixedly connected to the auxiliary ring 608, the right side of the positioning frame 601 close to the connecting frame 603 is fixedly connected to a gasket, the lower end of the positioning frame 601 is fixedly connected to the upper end of the base plate 1, the front side of the positioning frame 601 is fixedly connected to the fixing block 11, the side of the fixing block 11 close to the base plate 1 is fixedly connected to the base plate 1, and both sides of the fixing block 11 are fixedly connected to the reinforcing bolts 12, the reinforcing bolts 12 pass through the fixing block 11 and are fixedly connected to the positioning frame 601.

[0025] The above solution is adopted: when the excavator boom group needs to be positioned, the excavator boom group is placed on the surface of the bottom plate 1, and the auxiliary ring 608 is pulled to drive the pull rod 605 to move, and the pull rod 605 drives the blocking ring 607 to move, and the blocking ring 607 drives the spring 606 to be compressed, and the other end of the boom group is placed inside the frame 604 to contact the gasket, and the auxiliary ring 608 is loosened and the spring 606 rebounds, and the blocking ring 607 is driven by the spring 606 to move, and the blocking ring 60 7 drives the pull rod 605 to move and fix the boom group. The existing assembly and positioning of the boom group is mostly done manually by using infrared rays for positioning and calibration. However, this calibration method is not only cumbersome but also requires the user to move the boom group many times. By setting the positioning frame 601, the fixing block 11 and the base plate 1 in coordination, the positioning frame 601 is limited. By setting the fixing block 11, the positioning frame 601 and the reinforcing bolt 12 in coordination, the fixing block 11 is reinforced when the equipment is in use.

[0026] refer to Figure 1 The lower end of the base plate 1 is fixedly connected to a support leg 13. There are four support legs 13. The upper ends of the four support legs 13 are fixedly connected to the four corners of the lower end of the base plate 1. There are three card plates 2. The three card plates 2 are arranged in order from left to right. The front side of the support plate 7 is fixedly connected to a positioning block 14. The positioning block 14 is fixedly connected to the base plate 1 on the side close to the base plate 1.

[0027] The above scheme is adopted: by setting the base plate 1 and the support legs 13 for use in combination, the equipment is supported, by setting the clamping plate 2, the boom group is quickly positioned, and by setting the support plate 7, the positioning block 14 and the base plate 1 for use in combination, the support plate 7 is fixed.

[0028] The working principle of this utility model:

[0029] During use, after fixing the equipment, when the excavator boom group needs to be positioned, the excavator boom group is placed on the surface of the base plate 1, and the auxiliary ring 608 is pulled to drive the pull rod 605 to move, and the pull rod 605 is used to drive the blocking ring 607 to move, and the blocking ring 607 is used to drive the spring 606 to compress, and the other end of the boom group is placed inside the frame 604 to contact the gasket, and the auxiliary ring 608 is released and the spring 606 rebounds, and the spring 606 drives the blocking ring 607 to move, and the blocking ring 607 drives the pull rod 605 to move to fix the boom group. After fixing, the other end of the boom group is made to be close to the surface of the moving frame 9 through the moving frame 9. If it is kept at the same horizontal line, it is qualified, and if it is not kept at the same horizontal line, it is unqualified.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "includes," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning tool for an excavator boom assembly, comprising a base plate (1), characterized in that: The upper end of the base plate (1) is fixedly connected to a clamping plate (2), the upper end of the base plate (1) is fixedly connected to a positioning plate (3), the inner cavity of the positioning plate (3) is movably connected to a positioning pin (4), and the opposite sides of the two positioning pins (4) are fixedly connected to a pull ring (5), the left side of the upper end of the base plate (1) is fixedly connected to a positioning assembly (6), the right side of the upper end of the base plate (1) is fixedly connected to a support plate (7), the front side of the support plate (7) is fixedly connected to a positioning rod (8), the front side and the rear side of the surface of the positioning rod (8) are both sleeved with a movable frame (9), and the front side of the positioning rod (8) is fixedly connected to a limiting ring (10).

2. The positioning tool for excavator boom assembly according to claim 1, characterized in that: The positioning assembly (6) includes a positioning frame (601), the right side of the positioning frame (601) is fixedly connected to a fixing plate (602), the upper end of the left side of the positioning frame (601) is fixedly connected to a connecting frame (603), the front side of the positioning frame (601) is fixedly connected to a frame (604), the front side of the frame (604) is provided with a pull rod (605), the pull rod (605) passes through the frame (604) and the connecting frame (603), and the surface of the pull rod (605) is provided with a spring ( 606), the front side of the spring (606) is fixedly connected to a blocking ring (607), the inner cavity of the blocking ring (607) is fixedly connected to the pull rod (605), the rear side of the spring (606) is fixedly connected to the front side of the connecting frame (603), the front side of the pull rod (605) is fixedly connected to an auxiliary ring (608), the right side of the positioning frame (601) close to the connecting frame (603) is fixedly connected to a gasket, and the lower end of the positioning frame (601) is fixedly connected to the upper end of the bottom plate (1).

3. The positioning tool for excavator boom assembly according to claim 2, characterized in that: A fixing block (11) is fixedly connected to the front side of the positioning frame (601), and a side of the fixing block (11) close to the bottom plate (1) is fixedly connected to the bottom plate (1).

4. The positioning tool for excavator boom assembly according to claim 3, characterized in that: Reinforcement bolts (12) are fixedly connected to both sides of the fixing block (11), and the reinforcement bolts (12) pass through the fixing block (11) and are fixedly connected to the positioning frame (601).

5. The positioning tool for excavator boom assembly according to claim 1, characterized in that: The lower end of the base plate (1) is fixedly connected to a support leg (13), and the number of the support legs (13) is four. The upper ends of the four support legs (13) are fixedly connected to the four corners of the lower end of the base plate (1).

6. The positioning tool for excavator boom assembly according to claim 1, characterized in that: The number of the card plates (2) is three, and the three card plates (2) are arranged one by one from left to right.

7. The positioning tool for excavator boom assembly according to claim 1, characterized in that: A positioning block (14) is fixedly connected to the front side of the support plate (7), and the side of the positioning block (14) close to the bottom plate (1) is fixedly connected to the bottom plate (1).