Detection device for transmission shaft universal joint fork
By designing a detection device that includes the use of the transmission axis of the transmission shaft of the platform, the top board and the control box, the electromagnet, elastic parts, the electric adjustment rod and the detection sales shaft are used to solve the cumbersome operation and design of the existing detection device. Unreasonable issues have achieved convenient and accurate detection effects, and improved detection efficiency and corporate reputation.
Patent Information
- Application Number
- CN202421303963.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-06-07
AI Technical Summary
When detecting the ear hole symmetry of the universal joint fork and the outer diameter of the shaft tube, the existing detection devices are cumbersome and unreasonable in the design, and cannot achieve convenient and accurate detection.
The overall design is designed with a reasonable transmission axis universal fork for a detection device, including placing platforms, top boards and control boxes. Precision testing of the outer diameter and ear of the middle axis tube.
The convenience and accuracy of the detection operation can be achieved, it can quickly and accurately determine the qualifications of the universal fork, avoid the generation of unqualified products, and improve the detection efficiency and corporate reputation.
Smart Images
Figure CN222418877U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of transmission shaft processing, and in particular relates to a detection device for a transmission shaft universal joint fork. Background Art
[0002] The cooperation between the universal joint fork and the cross shaft is the most basic and most widely used universal transmission component, wherein one end of the universal joint fork is the shaft fork end, and the middle part of the two side walls of the shaft fork end is provided with ear holes that cooperate with the universal joint, and the other end is the shaft tube end, and the shaft tube end is fixedly welded to the transmission shaft through a connecting sleeve; therefore, after the universal joint fork is processed, in order to ensure its quality, it is necessary to inspect the symmetry of the ear holes on both sides of the shaft fork end of the universal joint fork and the outer diameter of the shaft tube to avoid unqualified defective products from entering the market, which cannot be installed and used, and affects the reputation of the enterprise; the existing detection devices are cumbersome to operate when in use, and most of them can only perform ear hole symmetry detection or shaft tube outer diameter detection separately, the design is not very reasonable and the use effect is poor; therefore, in order to solve the above problems, it is necessary to develop a detection device for the universal joint fork of the transmission shaft with reasonable overall design and accurate and convenient detection operation. Utility Model Content
[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and to provide a detection device for a transmission shaft universal joint fork which has a reasonable overall design and accurate and convenient detection operation.
[0004] The purpose of the utility model is achieved as follows: a detection device for a transmission shaft universal joint fork, comprising a placement platform, a top plate and a control box, the placement platform is arranged horizontally as a whole, a through hole is arranged at the center, support plates are vertically fixedly arranged at both ends of the upper surface, supports are fixedly arranged at both ends of the lower surface, a mounting plate is fixedly arranged in the middle of the lower surface, and the mounting plate is located directly below the through hole; an elastic member a is vertically arranged inside the through hole, and slide grooves are horizontally arranged on both sides, the lower end of the elastic member a is fixedly connected to the upper surface of the mounting plate, the upper end protruding through hole is located above the placement platform, and an electromagnet a that matches the inner diameter structure of the central axis tube of the universal joint fork is fixedly connected, a pressure block is slidably arranged above the slide groove, the pressure block is parallel to the support plate, and an electric adjustment rod a is horizontally fixedly arranged between the pressure block and the support plate on the same side as the support plate ; The top plate is transversely fixedly arranged at the upper end between the two support plates, and the center of the lower surface of the top plate is rotatably connected with an intermediate connecting piece through a turntable bearing, and an electric adjustment rod b is vertically arranged at the center of the lower surface of the intermediate connecting piece, and a detection block is concentrically fixedly arranged below the electric adjustment rod b, and grooves are opened at the centers of both sides of the detection block, and an elastic piece b is transversely arranged inside the groove, and an annular electromagnet b is arranged outside the open end, and the electromagnet b is fixedly connected to the outer side of the detection block, one end of the elastic piece b is fixedly connected to the bottom surface of the groove, and the other end protrudes from the groove, is located on the outside of the detection block, and is concentrically fixedly connected with an iron detection pin; the control box is located directly below the mounting plate, and the electromagnet a, electromagnet b, electric adjustment rod a and electric adjustment rod b are all electrically connected to the control box through wires.
[0005] The middle part of the front end surface of the placing platform is provided with scales along its length direction.
[0006] The outer end of the detection pin shaft is in a frustum shape.
[0007] The elastic member a and the elastic member b have the same structure, and are both composed of a guide telescopic rod and a spring sleeved on the outside of the guide telescopic rod.
[0008] A reinforcement block is fixedly arranged between the lower end of the outer side surface of the support plate and the upper surface of the placement platform.
[0009] The beneficial effects of the utility model are as follows: the utility model provides a through hole, a mounting plate, an elastic member a and an electromagnet a, and utilizes the magnetic attraction of the electromagnet a on the universal joint fork after being energized to make the elastic member a expand and the electromagnet a move upward, thereby realizing the limit connection between the electromagnet a and the inner top surface of the central axis tube of the universal joint fork, and then completing the limit placement of the universal joint fork as a whole on the placement platform; by providing a slide groove, an electric adjustment rod a and a pressure block, and utilizing the sliding connection between the pressure block and the slide groove, the pressure block can be driven to move horizontally and laterally by the thrust effect of the electric adjustment rod a when it is expanded, so as to realize the close contact between the pressure block and the outer side surface of the central axis tube of the universal joint fork. At this time, the actual outer diameter of the central axis tube of the universal joint fork can be obtained by calculating the distance interval between the two pressure blocks, and then the measured value can be compared with the design value to judge whether the universal joint fork is qualified;
[0010] By setting a top plate, an intermediate connecting piece, an electric adjustment rod b, a detection block and a detection pin shaft, and utilizing the elasticity of the electric adjustment rod b, the height of the detection block and the detection pin shafts on both sides thereof can be adjusted in the vertical direction. By utilizing the rotational connection between the intermediate connecting piece and the top plate through the turntable bearing, the electric adjustment rod b, the detection block and the detection pin shaft can be rotated by external force during actual use to achieve adjustment of their angles. By setting an elastic piece b, an electromagnet b and a groove, during use, the power circuit of the electromagnet b can be cut off so that the electromagnet b loses its magnetic attraction to the iron detection pin shaft. At this time, the thrust effect of the elastic piece b on the detection pin shaft when it is unfolded can be utilized to drive the detection pin shaft to move outward. At this point, by observing the socket connection state of the two detection pin shafts and the two ear holes at the fork end of the universal joint fork shaft, the symmetry of the ear holes of the universal joint fork can be detected. In general, the utility model has the advantages of reasonable overall design and accurate and convenient detection operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a front view of the utility model.
[0012] Figure 2 It is a sectional view of the front view when the utility model is actually used.
[0013] Figure 3 It is a sectional view of the front view of the connection between the detection block and the detection pin shaft in the utility model.
[0014] Figure 4 It is a cross-sectional view of the front view of the connection between the through hole, the mounting plate, the elastic member a and the electromagnet a in the utility model.
[0015] In the figure: 1. placing platform; 11. through hole; 12. support plate; 13. support; 14. mounting plate; 15. elastic member a; 16. slide groove; 17. electromagnet a; 18. pressure block; 19. electric adjustment rod a; 2. top plate; 21. middle connecting member; 22. electric adjustment rod b; 23. detection block; 24. groove; 25. elastic member b; 26. electromagnet b; 27. detection pin; 3. control box; 4. reinforcement block. DETAILED DESCRIPTION
[0016] The utility model is further described below in conjunction with the accompanying drawings.
[0017] Example: Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a detection device for a transmission shaft universal joint fork comprises a placement platform 1, a top plate 2 and a control box 3, wherein the placement platform 1 is arranged horizontally as a whole, a through hole 11 is arranged at the center thereof, support plates 12 are vertically fixedly arranged at both ends of the upper surface, supports 13 are fixedly arranged at both ends of the lower surface, a mounting plate 14 is fixedly arranged at the middle part of the lower surface, and the mounting plate 14 is located directly below the through hole 11; an elastic member a15 is vertically arranged inside the through hole 11, and slide grooves 16 are horizontally arranged on both sides, the lower end of the elastic member a15 is fixedly connected to the upper surface of the mounting plate 14, the upper end protrudes from the through hole 11 and is located above the placement platform 1, and is fixedly connected to an electromagnet a17 matched with the inner diameter structure of the central axis tube of the universal joint fork, a pressure block 18 is slidably arranged above the slide groove 16, the pressure block 18 is parallel to the support plate 12, and an electric adjustment rod a19 is horizontally fixedly arranged between the pressure block 18 and the support plate 12 on the same side; the top plate 2 is horizontally arranged The upper end is fixedly arranged between the two support plates 12, and the center of the lower surface of the top plate 2 is rotatably connected with an intermediate connecting piece 21 through a turntable bearing, an electric adjustment rod b22 is vertically arranged at the center of the lower surface of the intermediate connecting piece 21, and a detection block 23 is concentrically fixedly arranged below the electric adjustment rod b22. A groove 24 is opened at the center of both sides of the detection block 23, and an elastic piece b25 is horizontally arranged inside the groove 24. An annular electromagnet b26 is arranged outside the open end, and the electromagnet b26 is fixedly connected to the outer side of the detection block 23. One end of the elastic piece b25 is fixedly connected to the bottom surface of the groove 24, and the other end protrudes from the groove 24, is located on the outside of the detection block 23, and is concentrically fixedly connected with an iron detection pin 27; the control box 3 is located directly below the mounting plate 14, and the electromagnet a17, the electromagnet b26, the electric adjustment rod a19 and the electric adjustment rod b22 are all electrically connected to the control box 3 through wires.
[0018] A scale is provided in the middle of the front end surface of the placement platform 1 along its length direction, and the scale can be used to facilitate the calculation of the distance interval between the two pressure blocks 18; the outer end of the detection pin 27 is truncated cone-shaped, and this structure can increase the smoothness of the detection pin 27 when it is fitted and sleeved with the ear hole of the universal joint fork; the elastic member a15 and the elastic member b25 have the same structure, both of which are composed of a guide telescopic rod and a spring sleeved on the outside of the guide telescopic rod; a reinforcement block 4 is fixedly provided between the lower end of the outer side surface of the support plate 12 and the upper surface of the placement platform 1, and the reinforcement block 4 can be used to increase the stability of the connection between the support plate 12 and the placement platform 1.
[0019] When the utility model is used, first, the universal joint fork to be detected is placed vertically on the outside of the electromagnet a17 by utilizing the cooperation between the electromagnet a17 and the inner diameter of the central axis tube of the universal joint fork, and then, the power circuit of the electromagnet a17 is turned on through the control box 3, and the magnetic attraction of the electromagnet a17 on the universal joint fork after being energized is utilized to make the elastic member a15 unfold and the electromagnet a17 move upward, so as to realize the limiting connection between the electromagnet a17 and the top surface of the central axis tube of the universal joint fork, and then complete the limiting placement of the universal joint fork as a whole on the placement platform 1; then, the electric adjustment rod a19 is controlled by the control box 3 to unfold, and the universal joint fork is placed on the placement platform 1 by utilizing the magnetic attraction of the electromagnet a17 on the universal joint fork after being energized. When the electric adjustment rod a19 is deployed, the thrust effect on the pressure block 18, combined with the sliding connection between the pressure block 18 and the slide groove 16, can drive the pressure block 18 to move horizontally, so as to achieve close contact between the pressure block 18 and the outer side of the central axis tube of the universal joint fork. At this time, the distance between the two pressure blocks 18 can be calculated by the scale on the front end surface of the placement platform 1, so as to obtain the actual outer diameter of the central axis tube of the universal joint fork, and then the comparison between the measured value and the designed value can be used to determine whether the universal joint fork axis tube is qualified; finally, the electric adjustment rod b22 is controlled to be deployed through the control box 3, and the electric adjustment rod b22 is used to deploy. The thrust on the detection block 23 can adjust the height of the detection block 23 and the detection pins 27 on both sides thereof in the vertical direction. At the same time, by utilizing the rotational connection between the intermediate connecting piece 21 and the top plate 2 through the turntable bearing, the electric adjustment rod b22, the detection block 23 and the detection pin 27 can be rotated by external force to achieve the adjustment of their angles. At this point, by adjusting the height and angle of the detection pin 27, one of the detection pins 27 is aligned with the universal joint fork ear hole on the same side. After completing the above operation, the power circuit of the electromagnet b25 is cut off through the control box 3, so that it loses the iron The magnetic attraction of the detection pin 27 is controlled. At this time, the thrust of the detection pin 27 when the elastic member b25 is unfolded can drive the detection pin 27 to move outward. Finally, if the two detection pins 27 are respectively socketed with the two ear holes of the universal joint fork, it means that the symmetry of the ear holes of the universal joint fork is qualified. If the detection pin 27 that is aligned with the ear hole by adjustment is socketed with the ear hole, and the other detection pin 27 is not socketed with the ear hole, it means that the two ear holes of the universal joint fork are asymmetrical and the workpiece is unqualified. In general, the utility model has the advantages of reasonable overall design and precise and convenient detection operation.
[0020] The above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or replaced by equivalents, and any modification or equivalent replacement that does not depart from the spirit and scope of the utility model should be included in the scope of the claims of the utility model.
Claims
1. A detection device for a transmission shaft universal joint fork, comprising a placement platform (1), a top plate (2) and a control box (3), characterized in that: The placing platform (1) is arranged horizontally as a whole, a through hole (11) is arranged at the center thereof, support plates (12) are vertically fixedly arranged at both ends of the upper surface, supports (13) are fixedly arranged at both ends of the lower surface, a mounting plate (14) is fixedly arranged in the middle of the lower surface, and the mounting plate (14) is located directly below the through hole (11); an elastic member a (15) is vertically arranged inside the through hole (11), and slide grooves (16) are horizontally arranged on both sides, and the lower end of the elastic member a (15) is in contact with the upper surface of the mounting plate (14). The top plate (2) is fixedly connected to the surface, the protruding through hole (11) at the upper end is located above the placement platform (1), and is fixedly connected to an electromagnet a (17) that matches the inner diameter structure of the central axis tube of the universal joint fork, a pressure block (18) is slidably arranged above the slide groove (16), the pressure block (18) is parallel to the support plate (12), and an electric adjustment rod a (19) is transversely fixedly arranged between the pressure block (18) and the support plate (12) on the same side; the top plate (2) is transversely fixedly arranged at the upper end between the two support plates (12), and An intermediate connecting member (21) is rotatably connected at the center of the lower surface of the top plate (2) via a turntable bearing, an electric adjustment rod b (22) is vertically arranged at the center of the lower surface of the intermediate connecting member (21), a detection block (23) is coaxially fixedly arranged below the electric adjustment rod b (22), a groove (24) is provided at the center of both sides of the detection block (23), an elastic member b (25) is transversely arranged inside the groove (24), and an annular electromagnet b (26) is arranged outside the open end, the electromagnet b (26) is fixedly connected to the outer side surface of the detection block (23); one end of the elastic member b (25) is fixedly connected to the bottom surface of the groove (24); the other end protrudes from the groove (24), is located outside the detection block (23), and is concentrically fixedly connected with an iron detection pin shaft (27); the control box (3) is located directly below the mounting plate (14), and the electromagnet a (17), the electromagnet b (26), the electric adjustment rod a (19) and the electric adjustment rod b (22) are all electrically connected to the control box (3) through wires.
2. A transmission shaft universal joint fork detection device as claimed in claim 1, characterized in that: The middle part of the front end surface of the placement platform (1) is provided with scales along its length direction.
3. A transmission shaft universal joint fork detection device as claimed in claim 1, characterized in that: The outer end of the detection pin shaft (27) is in the shape of a truncated cone.
4. A transmission shaft universal joint fork detection device as claimed in claim 1, characterized in that: The elastic member a (15) and the elastic member b (25) have the same structure, and both are composed of a guide telescopic rod and a spring sleeved on the outside of the guide telescopic rod.
5. A transmission shaft universal joint fork detection device as claimed in claim 1, characterized in that: A reinforcement block (4) is fixedly arranged between the lower end of the outer side surface of the support plate (12) and the upper surface of the placement platform (1).