Static torsion testing machine for automatic clearance adjusting arm
By designing an automatic gap adjustment arm static torque experiment machine using tooth sleeves, tooth shafts and tie rods, the problem of difficulty in effectively conducting static torque experiments in the prior art is solved, a simple and reliable experiment on the adjustment arm is realized, and the tension state of the adjustment arm during the brake is simulated.
Patent Information
- Application Number
- CN202421489438.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The prior art is difficult to effectively conduct static torque experiments on automatic clearance adjustment arms, and lacks a test machine that can simply and reliably simulate the tension force applied to the adjustment arms during braking.
An automatic clearance adjustment arm static torque experiment machine is designed, which uses the fitting of the tooth sleeve and the tooth shaft, and applies different tensions to the adjustment arm through the pull rod and the driving member to simulate the tension of the adjustment arm during the brake process.
It realizes a simple and reliable static torsion experiment on the automatic clearance adjustment arm, with a simple structure and convenient operation, and can effectively simulate the tension state of the adjustment arm during the brake process.
Smart Images
Figure CN222652560U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an automatic clearance adjustment arm test device, in particular to an automatic clearance adjustment arm static torsion test machine. Background Art
[0002] The function of the automatic clearance adjuster is to automatically adjust the brake clearance, and it is a key part of the automobile braking system. In order to ensure the performance and reliability of the adjustment arm, various tests are required before it leaves the factory, including static torsion test, which requires a set of testing machines capable of static torsion test. Utility Model Content
[0003] The utility model provides an automatic clearance adjustment arm static torsion testing machine for performing static torsion testing on the adjustment arm.
[0004] To achieve the above-mentioned purpose, the utility model provides an automatic clearance adjustment arm static torsion testing machine, which includes a frame, a bracket is arranged on the working table of the frame, a horizontally arranged gear sleeve is arranged on the top of the bracket, a gear ring adapted to the self-adjusting arm is installed in the gear sleeve, the gear shaft is meshed with the gear sleeve, a pull rod is arranged on one side of the bracket, and an electric control box is arranged on the other side, the bottom end of the pull rod passes through the working table and is connected to a driving member that drives the pull rod, and the top end is hinged to the adjustment arm, and the pull rod is slidably connected to the working table.
[0005] When using the automatic clearance adjustment arm static torsion testing machine of the above technical solution, the head of the automatic clearance adjustment arm is installed on the bracket by using the gear shaft, and its handle is hinged with the pull rod. The driving member is started, and the pull rod is pulled downward by the driving member, thereby applying a downward pulling force to the handle of the adjustment arm. Since the gear ring of the adjustment arm is meshed with the gear shaft, and the gear shaft is meshed with the gear sleeve fixed on the bracket, when the handle of the adjustment arm is pulled downward, its head will not rotate, thereby completing the static torsion test of the adjustment arm.
[0006] Furthermore, the bracket includes a bottom plate and two vertically arranged vertical plates, the two vertical plates are arranged in parallel, the bottom ends are fixedly connected to the bottom plate, the top ends are provided with mounting holes, the two gear sleeves are respectively fixedly installed in the mounting holes, the four corners of the bottom plate are provided with fixing holes, the fixing holes are waist-shaped holes, and the bottom plate is installed on the workbench by bolts installed in the fixing holes. The bracket structure of this structure is simple, because the bottom plate and the workbench are installed by bolts, it is easy to install and disassemble, and the fixing holes on the bottom plate are waist-shaped holes, which are convenient for adjusting the position of the bracket according to needs, and easy to use.
[0007] Furthermore, a through hole is provided on the workbench for the pull rod to pass through, and the diameter of the through hole is larger than the diameter of the pull rod. By providing a through hole with a diameter larger than the diameter of the pull rod, it is ensured that the pull rod can move up and down smoothly, thereby applying tension to the adjustment arm.
[0008] Furthermore, a connecting seat for connecting with the handle of the adjusting arm is arranged at the top end of the pull rod, and the connecting seat is hinged with the handle of the adjusting arm through a pin.
[0009] Furthermore, the bottom end of the pull rod is fixedly connected with an ear plate seat, the ear plate seat is hinged to the connecting beam through a hinge seat, and the hinge seat is fixedly arranged on the connecting beam.
[0010] Furthermore, one end of the connecting beam is mounted on the frame via a connecting shaft, the connecting beam can rotate around the connecting shaft, and the other end is hinged to the driving member of the hinge shaft via a connecting ear plate.
[0011] Furthermore, the driving member is a cylinder, which is installed vertically and has a mounting end mounted on the frame via a mounting plate. The piston rod of the cylinder is hinged to one end of the connecting beam.
[0012] Compared with the prior art, the utility model has the following technical effects:
[0013] The static torsion testing machine of the utility model utilizes the cooperation of the gear sleeve and the gear shaft, and utilizes the pull rod to apply tension to the adjusting arm to simulate the tension applied to the adjusting arm during braking, and can utilize the driving member to apply different tensions to the adjusting arm to perform static torsion testing on the automatic clearance adjusting arm, and has the advantages of simple structure, reasonable design, simple operation and convenient use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The accompanying drawings, which constitute a part of this specification and are used to further understand the present utility model, illustrate preferred embodiments of the present utility model and are used together with the specification to illustrate the principle of the present utility model. In the drawings:
[0015] Figure 1 It is a structural schematic diagram of the utility model automatic clearance adjustment arm static torsion testing machine;
[0016] Figure 2 This is a structural schematic diagram of one of the viewing angles of the utility model automatic clearance adjustment arm static torsion testing machine (without the housing);
[0017] Figure 3 A structural schematic diagram of the automatic clearance adjustment arm static torsion testing machine (without the housing) of the utility model from another perspective.
[0018] Numbers in the figure: 1, frame, 101, shell, 102, support leg, 103, work table, 2, electric control box, 3, bottom plate, 4, mounting hole, 5, vertical plate, 6, gear shaft, 7, connecting screw, 8, pin, 9, connecting seat, 10, pull rod, 11, through hole, 12, connecting rod, 13, ear plate seat, 14, pin shaft, 15, connecting shaft, 16, connecting beam, 17, articulated shaft, 18, connecting ear plate, 19, cylinder, 20, articulated seat, 21, gear sleeve, 22, fixing screw sleeve. DETAILED DESCRIPTION
[0019] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0020] Example: See Figures 1 to 3 The automatic clearance adjustment arm static torsion testing machine of this embodiment includes a frame 1, a bracket is arranged on the working table 103103 of the frame 1, a horizontally arranged gear sleeve 21 is arranged on the top of the bracket, a plurality of teeth are arranged on the inner wall of the gear sleeve 21 in the circumferential direction, a gear shaft 6 adapted to the gear ring of the self-adjusting arm is installed in the gear sleeve 21, and the gear shaft 6 is meshed with the gear sleeve 21, a pull rod 10 is arranged on one side of the bracket, and an electric control box 2 is arranged on the other side, and a rear electric control switch is arranged in the electric control box 2, and a switch for controlling the opening and closing of the driving member is arranged on the panel of the electric control box 2. The bottom end of the pull rod 10 passes through the working table 103 and is connected to the driving member driving the pull rod 10, and its top end is hinged to the adjustment arm, and the pull rod 10 is slidably connected to the working table 103. The frame 1 of this embodiment includes a workbench 103, a leg 102 fixed on the bottom surface of the workbench 103, and a shell 101 fixed on the bottom of the workbench 103 so that the frame 1 is a closed frame. When using the automatic clearance adjustment arm static torsion testing machine, the head of the automatic clearance adjustment arm is installed on the bracket using the gear shaft 6, and its handle is hinged with the pull rod 10. The driving member is started, and the pull rod 10 is pulled downward by the driving member, thereby applying a downward pulling force to the handle of the adjustment arm. Since the gear ring of the adjustment arm is engaged with the gear shaft 6, and the gear shaft 6 is engaged with the gear sleeve 21 fixed on the bracket, when the handle of the adjustment arm is pulled downward, the head of the adjustment arm will not rotate, thereby applying different pulling forces to the adjustment arm to complete the static torsion test of the adjustment arm.
[0021] In this embodiment, see Figure 1The bracket includes a bottom plate 3 and two vertical plates 5, the two vertical plates 5 are arranged in parallel, the bottom ends of the vertical plates 5 are fixedly connected to the bottom plate 3, the top ends of the vertical plates 5 are provided with mounting holes, the two gear sleeves 21 are fixedly installed in the mounting holes, and the four corners of the bottom plate 3 are provided with fixing holes 4, the fixing holes 4 are waist-shaped holes, and the bottom plate 3 is installed on the workbench 103 by bolts installed in the fixing holes 4. The bracket of this structure is composed of two vertical plates 5 and the bottom plate 3, the vertical plates 5 and the bottom plate 3 are both made of steel plates, the structure is simple, and it is easy to make. Since the bottom plate 3 and the workbench 103 are installed by bolts, it is easy to install and disassemble, and the fixing holes 4 on the bottom plate 3 are waist-shaped holes, which are convenient for adjusting the position of the bracket according to needs, and it is easy to use.
[0022] In this embodiment, a through hole 11 for the pull rod 10 to pass through is provided on the workbench 103, and the diameter of the through hole 11 is larger than the diameter of the pull rod 10. By providing the through hole 11 with a diameter larger than the diameter of the pull rod 10, it is ensured that the pull rod 10 can move up and down smoothly, thereby applying tension to the adjustment arm. Preferably, the through hole 11 is also a waist-shaped hole to improve the convenience of use. A connecting seat 9 for connecting with the handle of the adjustment arm is provided at the top of the pull rod 10, and a connecting screw 7 coaxially arranged therewith is fixed at the top of the pull rod 10. The connecting seat 9 and the connecting screw 7 are threaded at two ends, which is convenient for adjusting the height of the connecting seat 9 and improving the convenience of use. The connecting seat 9 is hinged to the handle of the adjustment arm through a pin 8. An ear plate seat 13 is fixedly connected to the bottom end of the pull rod 10, and the ear plate seat 13 is hinged to the connecting beam 16 through an articulated seat 20 and a pin 14, and the articulated seat 20 is fixedly arranged on the connecting beam 16.
[0023] like Figure 3 As shown, in other embodiments of the utility model, in order to facilitate the installation of the pull rod 10, a connecting rod 12 is connected to the pull rod 10, and a connecting screw 7 is fixed to the top and bottom of the pull rod 10, and the connecting screw 7 is an integral structure with the pull rod 10. The connecting rod 12 and the pull rod 10 are threadedly connected through a fixing screw sleeve 22, and the fixing screw sleeve is fixedly connected to the top of the connecting rod 12, and the bottom end of the connecting rod 12 is fixedly connected to the ear plate seat 13. When assembling, the connecting rod 12 is first hinged to the hinge seat 20 through the ear plate seat 13, and then the bottom end of the pull rod 10 is screwed into the fixing screw sleeve 22, and the connecting seat 9 is installed at its top.
[0024] In this embodiment, see Figure 2 and Figure 3 One end of the connecting beam 16 is mounted on the leg 102 of the frame 1 through the connecting shaft 15. The connecting beam 16 can rotate around the connecting shaft 15. The other end of the connecting beam 16 is hinged to the driving member of the hinge shaft 17 through the connecting ear plate 18. Figure 3As shown, the driving member of this embodiment is a cylinder 19, which is installed vertically, and the installation end of the cylinder 19 is passed through the mounting plate frame 1. The piston rod of the cylinder 19 is hinged to one end of the connecting beam 16 through the connecting ear plate 18 and the hinge shaft 17. As other embodiments of the utility model, the cylinder 19 can also be replaced by an oil cylinder or a linear motor.
[0025] The automatic clearance adjustment arm static torsion testing machine of this embodiment utilizes a fixed gear sleeve 21 and a gear shaft meshed in the gear sleeve 21 to fix the head of the adjustment arm, and utilizes a pull rod 10 to be hinged to the handle of the adjustment arm, thereby applying different forces to the adjustment arm. It has a simple structure and is easy to operate, and can conveniently perform static torsion tests on the self-adjusting arm.
[0026] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. An automatic clearance adjustment arm static torsion testing machine, comprising a frame, characterized in that: A bracket is arranged on the working table of the frame, and a horizontally arranged gear sleeve is arranged on the top of the bracket. A gear shaft adapted to the gear ring of the self-adjusting arm is installed in the gear sleeve, and the gear shaft is meshed with the gear sleeve. A pull rod is arranged on one side of the bracket, and an electric control box is arranged on the other side. The bottom end of the pull rod passes through the working table and is connected to a driving member that drives the pull rod, and the top end is hinged to the adjusting arm. The pull rod is slidably connected to the working table.
2. The automatic clearance adjustment arm static torsion testing machine according to claim 1, characterized in that: The bracket includes a base plate and two vertically arranged upright plates. The two upright plates are arranged in parallel, and the bottom ends are fixedly connected to the base plate. The top ends are provided with mounting holes, and the two gear sleeves are respectively fixedly installed in the mounting holes. Fixing holes are provided at the four corners of the base plate, and the fixing holes are waist-shaped holes. The base plate is installed on the workbench by bolts installed in the fixing holes.
3. The automatic clearance adjustment arm static torsion testing machine according to claim 1, characterized in that: A through hole for the pull rod to pass through is opened on the workbench, and the diameter of the through hole is larger than the diameter of the pull rod.
4. The automatic clearance adjustment arm static torsion testing machine according to claim 3, characterized in that: A connecting seat for connecting with the handle of the adjusting arm is arranged at the top end of the pull rod, and the connecting seat is hinged with the handle of the adjusting arm through a pin.
5. The automatic clearance adjustment arm static torsion testing machine according to claim 4, characterized in that: The bottom end of the pull rod is fixedly connected with an ear plate seat, the ear plate seat is hinged to the connecting beam through a hinge seat, and the hinge seat is fixedly arranged on the connecting beam.
6. The automatic clearance adjustment arm static torsion testing machine according to claim 5, characterized in that: One end of the connecting beam is installed on the frame through a connecting shaft, and the connecting beam can rotate around the connecting shaft. The other end of the connecting beam is hinged to the driving member of the hinge shaft through a connecting ear plate.
7. The automatic clearance adjustment arm static torsion testing machine according to claim 6, characterized in that: The driving member is a cylinder, which is installed vertically, and its mounting end is installed on the frame through a mounting plate. The piston rod of the cylinder is hinged to one end of the connecting beam.