Electric heater detection tool for motor train unit

Abstract

The invention relates to the field of strength detection, in particular to a motor train unit electric heater detection tool which comprises a platform, a propelling part is mounted on one side of the upper end of the platform, a moving seat is mounted at the upper end of the propelling part, a transmission shaft is rotatably mounted at the upper end of the moving seat, and a push lug extends from the edge of the outer surface of the transmission shaft. A connecting frame is rotatably installed at the end of the push lug, a knocking frame is rotatably installed at the end of the connecting frame, the middle of the knocking frame is rotatably connected with a moving seat, a special-shaped frame is fixedly installed at the end of the moving seat, a knocking rod is slidably installed at the lower end of the special-shaped frame, and the knocking frame corresponds to the middle of the knocking rod. A U-shaped base is fixedly installed at the end of the knocking rod, and a fixing piece is installed on the other side of the upper end of the platform. According to the invention, the labor intensity of workers is reduced, the accuracy of a detection result is improved, and the use is convenient.

Description

Technical Field

[0001] The invention relates to the field of strength detection, and in particular to an electric heater detection tool for a motor vehicle group. Background Art

[0002] The electric heater of the EMU plays a vital role in the operation of the EMU train. It not only provides a comfortable riding environment for passengers, but also ensures the normal operation of the EMU train in cold weather. Therefore, the performance and quality of the electric heater of the EMU are of great significance to the safety and comfort of the train.

[0003] Strength testing of electric heaters for EMUs is an important step to ensure their safe and reliable operation. However, in the existing testing of the strength of the connection between the outer shell and the interface pipe of the electric heater, workers are mostly required to perform manual tapping. Frequent tapping during the testing process can easily cause soreness in the workers' arms, resulting in inconsistent strength during subsequent tapping, making the test results inaccurate and increasing the labor intensity of the workers. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings existing in the background technology and to propose an electric heater detection tool for a train set.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is: an electric heater detection tool for a EMU, comprising a platform, a propeller is installed on one side of the upper end of the platform, a movable seat is installed on the upper end of the propeller, a transmission shaft is rotatably installed on the upper end of the movable seat, a push ear extends at the edge of the outer surface of the transmission shaft, a connecting frame is rotatably installed on the end of the push ear, a knocking frame is rotatably installed on the end of the connecting frame, the middle part of the knocking frame is rotatably connected to the moving seat, a special-shaped frame is fixedly installed on the end of the moving seat, a knocking rod is slidably installed on the lower end of the special-shaped frame, the knocking frame corresponds to the middle part of the knocking rod, a U-shaped seat is fixedly installed on the end of the knocking rod, and a fixing member is installed on the other side of the upper end of the platform.

[0006] Preferably, a large gear is coaxially embedded in the rear end of the transmission shaft, a servo motor is fixedly installed at the rear end of the movable seat, a small gear is coaxially fixedly installed at the output end of the servo motor, the small gear is meshed with the large gear, and a frame shaft is rotatably installed through the middle of the knocking frame, and the frame shaft is fixed to the upper end of the movable seat.

[0007] Preferably, a protective cap is provided above the U-shaped seat, and the protective cap is fixed to the end of the special-shaped frame. Two guide sleeves are symmetrically penetrated and inlaid through the lower end of the special-shaped frame. The guide sleeves extend from the upper end of the special-shaped frame. A guide column is provided at the lower end of the guide sleeve, and the lower end of the guide column is fixed to the knocking rod.

[0008] Preferably, the guide post extends into the interior of the guide sleeve, the guide post and the guide sleeve are slidably matched, the upper end of the guide post is coaxially inlaid with a limiting cap, and the limiting cap is fitted to the inner wall of the guide sleeve.

[0009] Preferably, the propulsion member includes a servo slide fixedly mounted on one side of the upper end of the platform, the movable seat is fixed to the slide of the servo slide, a slide is fixedly mounted on the side of the movable seat, a T-shaped guide frame is fixedly mounted on the upper end of the platform, the T-shaped guide frame is located on the side of the servo slide, and the slide is slidably mounted on the T-shaped guide frame.

[0010] Preferably, the fixing member includes two supports symmetrically fixedly installed on the other side of the upper end of the platform, a vertical frame is arranged between the two supports, the lower end of the vertical frame is fixed to the platform, an upper end of the vertical frame is rotatably installed with an upper clamping ring, a lower clamping ring is arranged below the upper clamping ring, the lower clamping ring is symmetrically arranged with the upper clamping ring, the middle part of the lower end of the lower clamping ring is fixed to the vertical frame, and two positioning columns extend symmetrically from the upper end of the support.

[0011] Preferably, a flip frame is fixedly installed in the middle of the upper end of the upper clamp ring, a flip shaft is rotatably installed through the upper end of the vertical frame, the end of the flip frame is embedded in the outer surface of the flip shaft, the end of the flip shaft is coaxially embedded with a flip gear, the upper part of the flip gear is meshed with a tooth plate, and a dial ear extends from the upper end of the tooth plate, a dial frame is fixedly installed on the side of the special-shaped frame, and the end of the dial frame is fitted on the dial ear.

[0012] Preferably, a ridge rod is fixedly mounted on the side of the tooth plate, an extension frame is fitted on the outer surface of the ridge rod, the end of the extension frame is fixed to the vertical frame, a spring body is fixedly mounted on the rear end of the extension frame, the ridge rod passes through the interior of the spring body, and the end of the ridge rod is fixed to the end of the spring body.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The rotating transmission shaft can drive the push ear to rotate, and then drive the connecting frame to move, so as to continuously push the knocking frame, so that the knocking frame can swing around the frame axis to continuously knock the knocking rod. At this time, the guide column slides in the guide sleeve to guide the knocking rod, so that the knocking force exerted on the knocking rod can be transmitted to the interface pipe through the U-shaped seat, so as to apply a pulling force to the interface pipe along the axial direction of the interface pipe to detect the connection strength between the interface pipe and the outer shell of the electric heater. The process does not require workers to manually perform knocking detection, which effectively avoids the phenomenon of uneven knocking force, effectively reduces the labor intensity of workers, and improves the accuracy of the test results.

[0014] 2. When the servo slide drives the U-shaped seat to move to the interface pipe for inspection, the lever frame on the special-shaped frame will simultaneously push the lever ear, thereby driving the tooth plate to move, so as to push the flip gear, so that the flip gear can rotate, so as to drive the flip frame on the flip shaft to flip, so that the upper clamping ring at the end of the flipping frame can be pressed against the electric heater casing, so that the electric heater casing is clamped between the upper clamping ring and the lower clamping ring for fixation. The process does not require workers to manually fix it, thereby effectively facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of an electric heater detection tooling for a motor vehicle unit of the present invention; Figure 2 It is a schematic diagram of the tooth plate of an electric heater detection tool for a motor vehicle unit of the present invention; Figure 3 It is a schematic diagram of a servo motor of an electric heater detection tooling of a motor vehicle unit of the present invention; Figure 4 The electric heater detection tooling of the EMU of the present invention is Figure 3 A magnified view of middle; Figure 5 This is an internal view of a guide sleeve of an electric heater detection tool for a motor vehicle unit of the present invention; Figure 6 This is a usage view of an electric heater detection tool for a motor vehicle multiple unit according to the present invention.

[0016] In the figure: 1. platform; 2. servo slide; 3. T-shaped guide frame; 4. slide seat; 5. moving seat; 6. servo motor; 7. tooth plate; 8. flip frame; 9. upper clamp ring; 10. positioning column; 11. lower clamp ring; 12. vertical frame; 13. limit cap; 14. guide sleeve; 15. guide column; 16. small gear; 17. large gear; 18. transmission shaft; 19. knock frame; 20. special-shaped frame; 21. dial frame; 22. U-shaped seat; 23. knock rod; 24. push ear; 25. connecting frame; 26. protective cap; 27. frame shaft; 28. ridge rod; 29. ​​spring body; 30. dial ear; 31. flip gear; 32. flip shaft; 33. extension frame; 34. support; 35. electric heater housing; 36. interface pipe. DETAILED DESCRIPTION

[0017] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0018] like Figure 1-Figure 6The electric heater detection tooling of a motor vehicle shown in the figure comprises a platform 1, a propulsion member is installed on one side of the upper end of the platform 1, a moving seat 5 is installed on the upper end of the propulsion member, the moving seat 5 plays the role of driving the U-shaped seat 22 to move, a transmission shaft 18 is rotatably installed on the upper end of the moving seat 5, a push ear 24 extends at the edge of the outer surface of the transmission shaft 18, the transmission shaft 18 plays the role of driving the push ear 24 to rotate, a connecting frame 25 is rotatably installed on the end of the push ear 24, the push ear 24 plays the role of driving the connecting frame 25 to move, a knocking frame 19 is rotatably installed on the end of the connecting frame 25, the middle part of the knocking frame 19 is rotatably connected to the moving seat 5, a special-shaped frame 20 is fixedly installed on the end of the moving seat 5, a knocking rod 23 is slidably installed on the lower end of the special-shaped frame 20, the knocking frame 19 plays the role of knocking the knocking rod 23, the knocking frame 19 corresponds to the middle part of the knocking rod 23, and the knocking frame 19 corresponds to the middle part of the knocking rod 23. A U-shaped seat 22 is fixedly installed at the end of the knock rod 23, and the knock rod 23 can transmit the knocking force to the interface pipe 36 through the U-shaped seat 22. A fixing part is installed on the other side of the upper end of the platform 1, and the push ear 24 is driven to rotate by the rotating transmission shaft 18, thereby driving the connecting frame 25 to move, so as to continuously push the knock frame 19, so that the knock frame 19 can swing around the frame axis 27 to continuously knock the knock rod 23. At this time, the guide column 15 slides in the guide sleeve 14 to guide the knock rod 23, so that the knocking force exerted on the knock rod 23 can be transmitted to the interface pipe 36 through the U-shaped seat 22, thereby applying a pulling force to the interface pipe 36 along the axial direction of the interface pipe 36, and observing whether there are cracks at the connection between the interface pipe 36 and the electric heater housing 35, so as to detect the connection strength between the interface pipe 36 and the electric heater housing 35.

[0019] A large gear 17 is coaxially inlaid on the rear end of the transmission shaft 18, and a servo motor 6 is fixedly installed on the rear end of the moving seat 5. A small gear 16 is coaxially fixedly installed on the output end of the servo motor 6. The servo motor 6 drives the transmission shaft 18 to rotate, and the small gear 16 is meshed with the large gear 17. The small gear 16 and the large gear 17 play a transmission role. A frame shaft 27 is rotatably installed through the middle of the knocking frame 19, and the frame shaft 27 is fixed to the upper end of the moving seat 5. The frame shaft 27 plays a role in bearing the knocking frame 19.

[0020] A protective cap 26 is provided above the U-shaped seat 22, and the protective cap 26 is fixed to the end of the special-shaped frame 20. The protective cap 26 can block the interface tube 36 to prevent the interface tube 36 from flying out due to the knocking force and causing safety hazards. Two guide sleeves 14 are symmetrically penetrated and inlaid at the lower end of the special-shaped frame 20. The guide sleeve 14 extends from the upper end of the special-shaped frame 20. A guide column 15 is provided at the lower end of the guide sleeve 14. The guide sleeve 14 and the guide column 15 play a role in vertically guiding the knocking rod 23, and the lower end of the guide column 15 is fixed to the knocking rod 23.

[0021] The guide post 15 extends into the interior of the guide sleeve 14, and the guide post 15 and the guide sleeve 14 are slidably matched. The upper end of the guide post 15 is coaxially inlaid with a limiting cap 13, and the limiting cap 13 is attached to the inner wall of the guide sleeve 14. The limiting cap 13 prevents the guide sleeve 14 and the guide post 15 from separating.

[0022] The propulsion member includes a servo slide 2 fixedly mounted on one side of the upper end of the platform 1, a moving seat 5 is fixed to the slide of the servo slide 2, the servo slide 2 drives the moving seat 5 to move forward and backward, a slide 4 is fixedly mounted on the side of the moving seat 5, a T-shaped guide frame 3 is fixedly mounted on the upper end of the platform 1, the T-shaped guide frame 3 is located on the side of the servo slide 2, the slide 4 and the T-shaped guide frame 3 play a role in increasing the guiding force of the moving seat 5, and the slide 4 is slidably mounted on the T-shaped guide frame 3.

[0023] The fixing part includes two supports 34 symmetrically fixedly installed on the other side of the upper end of the platform 1, and a stand 12 is arranged between the two supports 34. The support 34 serves to support the electric heater shell 35. The lower end of the stand 12 is fixed on the platform 1, and the upper end of the stand 12 is rotatably installed with an upper clamping ring 9. A lower clamping ring 11 is arranged below the upper clamping ring 9. The stand 12 can support the lower clamping ring 11. The lower clamping ring 11 is symmetrically arranged with the upper clamping ring 9. The middle part of the lower end of the lower clamping ring 11 is fixed with the stand 12. The lower clamping ring 11 and the upper clamping ring 9 serve to clamp and fix the electric heater shell 35. Two positioning columns 10 are symmetrically extended from the upper end of the support 34. The positioning columns 10 will pass through the mounting holes on the electric heater shell 35 to position the electric heater shell 35 so that the interface pipe 36 and the U-shaped seat 22 are aligned.

[0024] A flip frame 8 is fixedly installed in the middle of the upper end of the upper clamping ring 9, and the flip frame 8 plays the role of bearing the upper clamping ring 9. A flip shaft 32 is rotatably installed through the upper end of the vertical frame 12. The end of the flip frame 8 is embedded in the outer surface of the flip shaft 32, and the flip shaft 32 plays a connecting role. A flip gear 31 is coaxially embedded at the end of the flip shaft 32. The upper part of the flip gear 31 is meshed with a tooth plate 7. The flip gear 31 and the tooth plate 7 play the role of driving the flip shaft 32 to rotate. A dial ear 30 extends from the upper end of the tooth plate 7. A dial frame 21 is fixedly installed on the side of the special-shaped frame 20 The dial ear 30 is pushed by the dial frame 21, and the end of the dial frame 21 is attached to the dial ear 30. The dial frame 21 pushes the tooth plate 7. The dial frame 21 on the special-shaped frame 20 pushes the dial ear 30, thereby driving the tooth plate 7 to move, so as to push the flip gear 31, so that the flip gear 31 can rotate, so as to drive the flip frame 8 on the flip shaft 32 to flip, so that the upper clamping ring 9 at the end of the flip frame 8 can be pressed against the electric heater shell 35, so that the electric heater shell 35 is clamped between the upper clamping ring 9 and the lower clamping ring 11 for fixation.

[0025] A ridge rod 28 is fixedly installed on the side of the tooth plate 7, and an extension frame 33 is fitted on the outer surface of the ridge rod 28. The cooperation between the ridge rod 28 and the extension frame 33 serves to guide the tooth plate 7. The end of the extension frame 33 is fixed to the vertical frame 12, and a spring body 29 is fixedly installed at the rear end of the extension frame 33. The ridge rod 28 runs through the interior of the spring body 29. The spring body 29 can push the tooth plate 7 to reset the tooth plate 7 after moving, and then drive the upper clamping ring 9 to reset after flipping. The end of the ridge rod 28 is fixed to the end of the spring body 29.

[0026] During the inspection, the electric heater shell 35 is placed on the support 34. At this time, the positioning column 10 passes through the mounting hole on the electric heater shell 35 to position the electric heater shell 35. At the same time, the lower clamping ring 11 is attached to the lower part of the electric heater shell 35. Then the servo slide 2 works to drive the moving seat 5 to move. At this time, the slide 4 slides on the T-shaped guide frame 3 to guide the moving seat 5, so that the U-shaped seat 22 is driven by the moving moving seat 5 to move toward the position of the interface tube 36. When the U-shaped seat 22 is about to approach the interface tube 36, the shifting frame 21 on the special-shaped frame 20 just moves and fits on the dial ear 30. Then the moving seat 5 continues to move, allowing the shifting frame 21 on the special-shaped frame 20 to push the dial ear 30, thereby driving the toothed plate 7 to move, so as to push the flip gear 31, so that the flip gear 31 can rotate, so as to drive the flip frame 8 on the flip shaft 32 to flip, so that the upper clamping ring 9 at the end of the flip frame 8 can be pressed tightly against the electric heater shell. 35, so that the electric heater housing 35 is clamped between the upper clamp ring 9 and the lower clamp ring 11 for fixing. At this time, the U-shaped seat 22 is fitted to the lower end of the pipe mouth of the interface tube 36, and then the servo motor 6 works through the small gear 16 and the large gear 17 to drive the transmission shaft 18 to rotate, so that the push ear 24 is driven to rotate through the rotating transmission shaft 18, and then the connecting frame 25 is driven to move, so as to continuously push the knocking frame 19, so that the knocking frame 19 can swing around the frame shaft 27 as the center, so as to continuously knock the knocking rod 23. At this time, the guide column 15 slides in the guide sleeve 14 to guide the knocking rod 23, so that the knocking force received by the knocking rod 23 can be transmitted to the interface tube 36 through the U-shaped seat 22, so as to apply tension to the interface tube 36 along the axial direction of the interface tube 36, and observe whether there are cracks at the connection between the interface tube 36 and the electric heater housing 35, so as to detect the connection strength between the interface tube 36 and the electric heater housing 35.

[0027] 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 to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. An electric heater detection tool for a train set, comprising a platform (1), characterized in that: A propulsion member is installed on one side of the upper end of the platform (1), a moving seat (5) is installed on the upper end of the propulsion member, a transmission shaft (18) is rotatably installed on the upper end of the moving seat (5), a push ear (24) extends from the outer surface edge of the transmission shaft (18), a connecting frame (25) is rotatably installed on the end of the push ear (24), a knocking frame (19) is rotatably installed on the end of the connecting frame (25), the middle part of the knocking frame (19) is rotatably connected to the moving seat (5), a special-shaped frame (20) is fixedly installed on the end of the moving seat (5), a knocking rod (23) is slidably installed on the lower end of the special-shaped frame (20), the knocking frame (19) corresponds to the middle part of the knocking rod (23), and a U-shaped seat (22) is fixedly installed on the end of the knocking rod (23), and a fixing member is installed on the other side of the upper end of the platform (1).

2. The electric heater detection tool for a train set according to claim 1, characterized in that: A large gear (17) is coaxially inlaid on the rear end of the transmission shaft (18); a servo motor (6) is fixedly mounted on the rear end of the movable seat (5); a small gear (16) is coaxially fixedly mounted on the output end of the servo motor (6); the small gear (16) is meshed with the large gear (17); a frame shaft (27) is rotatably mounted through the middle of the knocking frame (19); and the frame shaft (27) is fixed to the upper end of the movable seat (5).

3. The electric heater detection tool for a train set according to claim 1, characterized in that: A protective cap (26) is arranged above the U-shaped seat (22), and the protective cap (26) is fixed to the end of the special-shaped frame (20). Two guide sleeves (14) are symmetrically penetrated and embedded in the lower end of the special-shaped frame (20). The guide sleeves (14) extend from the upper end of the special-shaped frame (20). A guide column (15) is arranged at the lower end of the guide sleeve (14), and the lower end of the guide column (15) is fixed to the knocking rod (23).

4. The electric heater detection tool for a train set according to claim 3, characterized in that: The guide post (15) extends into the interior of the guide sleeve (14), the guide post (15) and the guide sleeve (14) are slidably matched, the upper end of the guide post (15) is coaxially inlaid with a limiting cap (13), and the limiting cap (13) is fitted to the inner wall of the guide sleeve (14).

5. The electric heater detection tool for EMU according to claim 1, characterized in that: The propulsion member comprises a servo slide (2) fixedly mounted on one side of the upper end of the platform (1); the movable seat (5) is fixed to the slide of the servo slide (2); a slide (4) is fixedly mounted on the side of the movable seat (5); a T-shaped guide frame (3) is fixedly mounted on the upper end of the platform (1); the T-shaped guide frame (3) is located on the side of the servo slide (2); and the slide (4) is slidably mounted on the T-shaped guide frame (3).

6. The electric heater detection tool for a train set according to claim 1, characterized in that: The fixing member comprises two supports (34) symmetrically fixedly mounted on the other side of the upper end of the platform (1), a stand (12) is arranged between the two supports (34), the lower end of the stand (12) is fixed on the platform (1), an upper clamping ring (9) is rotatably mounted on the upper end of the stand (12), a lower clamping ring (11) is arranged below the upper clamping ring (9), the lower clamping ring (11) is symmetrically arranged with the upper clamping ring (9), the middle part of the lower end of the lower clamping ring (11) is fixed to the stand (12), and two positioning columns (10) are symmetrically extended from the upper end of the support (34).

7. The electric heater detection tool for a train set according to claim 6, characterized in that: A turning frame (8) is fixedly mounted at the middle of the upper end of the upper clamp ring (9); a turning shaft (32) is rotatably mounted through the upper end of the vertical frame (12); an end of the turning frame (8) is embedded in the outer surface of the turning shaft (32); a turning gear (31) is coaxially embedded in the end of the turning shaft (32); a tooth plate (7) is meshed at the upper part of the turning gear (31); a dial ear (30) extends from the upper end of the tooth plate (7); a dial frame (21) is fixedly mounted on the side of the special-shaped frame (20); and an end of the dial frame (21) is fitted on the dial ear (30).

8. The electric heater detection tool for a train set according to claim 7, characterized in that: A ridge rod (28) is fixedly mounted on the side surface of the tooth plate (7); a protruding frame (33) is fitted on the outer surface of the ridge rod (28); an end of the protruding frame (33) is fixed to the vertical frame (12); a spring body (29) is fixedly mounted on the rear end of the protruding frame (33); the ridge rod (28) passes through the interior of the spring body (29); and an end of the ridge rod (28) is fixed to an end of the spring body (29).

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