A stress regulation device for the gear disc of a special vehicle

Abstract

The present invention provides a stress regulation device for a special vehicle gear disk, which includes a cover plate, a connecting sleeve plate, a bottom plate, a first workbench frame and a second workbench frame. The cover plate is connected to the connecting sleeve plate through the first workbench frame, and the connecting sleeve plate is connected to the frame backing plate through the second workbench frame. The cover plate is used to support the gear disk, the connecting sleeve plate is used to support and fix the excitation device, and the bottom plate serves as the support part of the entire stress regulation device. The tops of multiple excitation devices pass through multiple first round holes on the cover plate and respectively contact the corresponding teeth on the gear disk. This device can ensure the reduction of stress concentration problems after gear disk welding, reduce crack generation, can provide support for accurately obtaining the internal residual stress distribution state of the gear disk component, and improve the quality of the gear disk product; during the stress regulation process of the gear disk, it can constrain the position of the gear disk, provide the best position and attitude, improve production efficiency, and can adapt to the post-welding stress regulation of various gear disks.

Description

Technical Field

[0001] The present invention belongs to the technical field of special vehicle welding, and particularly relates to a stress regulation device for a special vehicle gear disc. Background Art

[0002] The driving wheel gear disc is an important part of the special vehicle action system, used to transmit power to drive the crawler. The hardness and wear resistance of the meshing part with the crawler directly affect the driving reliability and power transmission life of the vehicle. During operation, it needs to withstand the test of harsh environments such as collisions. Therefore, higher requirements are put forward for its protection, wear resistance, and welding quality reliability.

[0003] Gear disc welding belongs to surfacing welding, with low precision, poor surface quality, easy to produce stress concentration after welding, and easy to produce cracks in the surfacing layer, affecting product quality. After welding, stress regulation of the gear disc is required. Therefore, in order to prevent cracks in the gear disc, a stress regulation device for the gear disc needs to be designed. Summary of the Invention

[0004] (1) Technical Problems to be Solved

[0005] The present invention provides a stress regulation device for a special vehicle gear disc to solve the technical problem of how to regulate the stress of the gear disc and ensure the stress and quality requirements after welding of the gear disc.

[0006] (2) Technical Solutions

[0007] To solve the above technical problems, the present invention provides a stress regulation device for a special vehicle gear disc. The stress regulation device includes a cover plate, a connecting sleeve plate, a bottom plate, a first workbench frame, and a second workbench frame; the cover plate, the connecting sleeve plate, and the frame spacer are arranged horizontally in three layers. The cover plate is connected to the connecting sleeve plate through the first workbench frame, and the connecting sleeve plate is connected to the frame spacer through the second workbench frame; wherein,

[0008] The cover plate is processed with a plurality of first circular holes arranged in a surrounding manner, and a second circular hole is processed at the center of the circle surrounded by the plurality of first circular holes; the cover plate is used to support the gear disc, the diameter of the second circular hole is equal to the diameter of the gear disc, and the plurality of teeth provided on the gear disc correspond to the positions of the plurality of first circular holes;

[0009] The connecting sleeve plate is used to support and fix the excitation device. The number of excitation devices is the same as the number of teeth. The tops of the plurality of excitation devices pass through the plurality of first circular holes on the cover plate and are respectively in contact with the corresponding teeth on the gear disc; the connecting sleeve plate is processed with a plurality of third circular holes concentric with the first circular holes, and a plurality of threaded holes are processed around each third circular hole for fixing the excitation device on the connecting sleeve plate through bolts;

[0010] The bottom plate is fixedly connected to the bottom of the first workbench frame at its four corner positions, serving as the support part of the entire stress regulation device; a fourth round hole with the same diameter as the second round hole is machined in the middle of the bottom plate for connection to the positioner on the tooth disc welding device.

[0011] Furthermore, a hub is provided on the first workbench frame.

[0012] Furthermore, both the first workbench frame and the second workbench frame include multiple rectangular square tubes.

[0013] Furthermore, tooth disc positioning pin holes are machined on the cover plate.

[0014] Furthermore, the diameter of the first round hole is smaller than that of the second round hole.

[0015] Furthermore, the diameter of the third round hole is smaller than that of the first round hole.

[0016] Furthermore, the thickness of the connecting sleeve plate is 6 mm, and the thickness of the bottom plate is 20 mm.

[0017] Furthermore, a frame backing plate is provided between the bottom plate and the first workbench frame. The upper surface of the frame backing plate is welded to the first workbench frame and connected to the bottom plate by bolts.

[0018] Furthermore, the entire stress regulation device is made of Q235B material.

[0019] (III) Beneficial Effects

[0020] The present invention provides a special vehicle tooth disc stress regulation device, including a cover plate, a connecting sleeve plate, a bottom plate, a first workbench frame, and a second workbench frame. The cover plate is connected to the connecting sleeve plate through the first workbench frame, and the connecting sleeve plate is connected to the frame backing plate through the second workbench frame. The cover plate is used to support the tooth disc, the connecting sleeve plate is used to support and fix the excitation device, the bottom plate serves as the support part of the entire stress regulation device, and the tops of multiple excitation devices pass through multiple first round holes on the cover plate and respectively contact the corresponding teeth on the tooth disc. This device can ensure reducing the stress concentration problem after tooth disc welding, reducing crack generation, can provide support for accurately obtaining the internal residual stress distribution state of the tooth disc component, improve the quality of the tooth disc product; can constrain the position of the tooth disc during the tooth disc stress regulation process, provide the best position and attitude, improve production efficiency, and can adapt to the post-weld stress regulation of various tooth discs. Description of the Drawings

[0021] Figure 1 is the front view of the special vehicle tooth disc stress regulation device according to the embodiment of the present invention;

[0022] Figure 2 is the top view of the special vehicle tooth disc stress regulation device according to the embodiment of the present invention. Specific Embodiment

[0023] To make the objectives, content, and advantages of the present invention clearer, the following further describes the specific embodiments of the present invention in detail with reference to the accompanying drawings and embodiments.

[0024] This embodiment proposes a stress regulation device for a special vehicle gear disk, the structure of which is as Figure 1 and 2 shown, mainly including a cover plate 1, a connection sleeve plate 2, a hub 3, a bottom plate 4, a first workbench frame 5, a second workbench frame 6, and a frame spacer 7.

[0025] The cover plate 1, the connection sleeve plate 2, and the frame spacer 7 are arranged horizontally in three layers. The cover plate 1 is connected to the connection sleeve plate 2 through the first workbench frame 5, and the connection sleeve plate 2 is connected to the frame spacer 7 through the second workbench frame 6. Both the first workbench frame 5 and the second workbench frame 6 include four rectangular square tubes.

[0026] The cover plate 1 is processed with 13 small-diameter round holes arranged in a circle, and 1 large-diameter round hole is processed at the center of the circle surrounded by the 13 small-diameter round holes. The cover plate 1 is used to support the gear disk. The diameter of the large-diameter round hole is equal to the diameter of the gear disk, and the 13 teeth provided on the gear disk correspond to the positions of the 13 small-diameter round holes. The cover plate 1 is also processed with gear disk positioning pin holes. The cover plate 1 is the bearing foundation of the gear disk, which can adapt to the bearing of various gear disks. Placing the gear disk on the cover plate 1, the positioning pin holes on the cover plate 1 can be used for positioning.

[0027] The connection sleeve plate 2 is used to support and fix 13 excitation devices in the shape of elastic bodies. The tops of the 13 excitation devices pass through the 13 small-diameter round holes on the cover plate 1 and contact the 13 teeth of the gear disk. The connection sleeve plate 2 is processed with round holes of different diameters concentric with the 13 small-diameter round holes on the cover plate 1. There are six threaded holes around each round hole of the connection sleeve plate 2, which are used to fix the excitation devices on the connection sleeve plate 2 through bolts. In this embodiment, the thickness of the connection sleeve plate 2 is 6 mm, and it can bear excitation devices of 30 kg.

[0028] The bottom plate 4 is fixedly connected to the bottoms of the four rectangular square tubes of the first workbench frame 5 at its four corner positions, serving as the support part of the entire stress regulation device. A round hole consistent with the large-diameter round hole on the cover plate 1 is processed in the middle of the bottom plate 4, which is used to connect to the turntable on the gear disk welding device. In this embodiment, the thickness of the bottom plate 4 is 20 mm.

[0029] A frame spacer 7 is arranged between the bottom plate 4 and the rectangular square tubes of the first workbench frame 5. The upper surface of the frame spacer 7 is welded to the rectangular square tubes and connected to the bottom plate 4 through bolts, which is used to improve the connection stability between the bottom plate 4 and the first workbench frame 5.

[0030] In this embodiment, two hubs 3 are provided on two adjacent rectangular square tubes of the first workbench frame 5, which can place the cables of the excitation device smoothly on both sides of the two hubs 3 to prevent the cables from being disordered.

[0031] In this embodiment, the stress regulation device is integrally made of Q235B material.

[0032] With this device, the position of the gear disk can be accurately positioned, and combined with the excitation device, the stress of the gear disk can be effectively regulated.

[0033] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and deformations can still be made, and these improvements and deformations should also be regarded as the protection scope of the present invention.

Claims

1. A stress regulation device for the gear disc of a special vehicle, characterized in that The stress regulation device includes a cover plate, a connecting sleeve plate, a bottom plate, a first workbench frame, a second workbench frame, and a frame cushion plate; the cover plate, the connecting sleeve plate, and the frame cushion plate are arranged horizontally in three layers, and the cover plate is connected to the connecting sleeve plate through the second workbench frame, and the connecting sleeve plate is connected to the frame cushion plate through the first workbench frame; wherein, A plurality of first round holes arranged in a circle are machined on the cover plate, and a second round hole is machined at the center of the circle surrounded by the plurality of first round holes; the cover plate is used to support the tooth disc, the diameter of the second round hole is equal to the diameter of the tooth disc, and the plurality of teeth provided on the tooth disc correspond to the positions of the plurality of first round holes; The connecting sleeve plate is used to support and fix the excitation device, and the number of excitation devices is the same as the number of teeth. The tops of the plurality of excitation devices pass through the plurality of first round holes on the cover plate and are respectively in contact with the corresponding teeth on the tooth disc; a plurality of third round holes concentric with the first round holes are machined on the connecting sleeve plate, and a plurality of threaded holes are machined around each third round hole for fixing the excitation device on the connecting sleeve plate through bolts; The bottom plate is fixedly connected to the bottom of the first workbench frame at its four corner positions and serves as the supporting part of the entire stress regulation device; a fourth round hole with the same diameter as the second round hole is machined in the middle of the bottom plate for connecting to the positioner on the tooth disc welding device; A hub is provided on the first workbench frame, and both the first workbench frame and the second workbench frame include a plurality of rectangular square tubes.

2. The stress regulation device according to claim 1, characterized in that A tooth disc positioning pin hole is machined on the cover plate.

3. The stress regulation device according to claim 1, characterized in that The diameter of the first round hole is smaller than that of the second round hole.

4. The stress regulation device according to claim 1, wherein, The diameter of the third round hole is smaller than that of the first round hole.

5. The stress regulation device according to claim 1, characterized in that, The thickness of the connecting sleeve plate is 6 mm, and the thickness of the bottom plate is 20 mm.

6. The stress regulation device according to claim 1, wherein A frame cushion plate is arranged between the bottom plate and the first workbench frame. The upper surface of the frame cushion plate is welded to the first workbench frame and connected to the bottom plate through bolts.

7. The stress regulation device according to claim 1, characterized in that, The entire stress regulation device is made of Q235B material.

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