Steel shot cleaning device special for axle housing

By designing a dedicated steel shot cleaning device for bridge shells, and combining automatic and manual shot peening, the problems of low efficiency and poor safety of existing equipment have been solved, achieving efficient and safe shot peening of bridge shells.

CN223492989UActive Publication Date: 2025-10-31JINAN RUIPAI MECHANICAL & ELECTRICAL EQUIPMENT MANUFACTURING CO LTD
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Patent Information

Application Number
CN202423082246.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-10-31
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

Existing shot peening equipment requires manual operation when shot peening bridge shells, which is inefficient and unsafe. It cannot flexibly adapt to large-volume bridge shells, the shot peening material is prone to scattering, and it cannot achieve efficient shot peening.

Method used

A steel shot cleaning device specifically designed for bridge shells was designed, including a housing, shot blasting nozzle, carrying rack, roller shutter, and handheld spray head. By combining automatic shot blasting with manual assisted shot blasting, uniform treatment of bridge shells is achieved, steel shot is prevented from scattering, and processing efficiency and safety are improved.

Benefits of technology

This approach combines automation and manual assistance in bridge shell shot peening, improving processing efficiency, reducing steel shot scattering, enhancing operational safety, and improving processing quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a special steel shot cleaning device for an axle housing, which comprises a bracket, a box body is arranged on the bracket, the lower half part of the box body is funnel-shaped, a plurality of shot blasting ports which are uniformly distributed are arranged on the inner wall of the rear side of the box body, two object carriers are fixed on the lower wall of the box body, and driving wheels and auxiliary wheels are arranged on the object carriers. The axle housing is placed between the driving wheels of the two carrying frames, a winding drum is fixed to the upper portion of the rear side wall of the box body, a roller blind is arranged in the winding drum in a winding mode, a connecting plate is hinged to the head end of the roller blind, a notch is formed in the front side wall of the box body, and the roller blind and the connecting plate are pulled out to cover the upper portion of the box body and the notch before shot blasting. The axle housing rotates on the carrier and is automatically subjected to shot blasting treatment through the shot blasting opening formed in one side of the box body, during shot blasting, the upper portion of the box body is sealed through the roller shutter and the connecting plate, steel shot abrasives are prevented from scattering everywhere, steel shots are prevented from entering a trolley from through holes in the bottom of the box body, and use is convenient.
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Description

Technical Field

[0001] This utility model relates to the field of automotive parts processing equipment, and in particular to a steel shot cleaning device specifically for axle housings. Background Technology

[0002] Shot peening is a common surface treatment method widely used in the manufacturing of various mechanical parts, automotive parts, aerospace parts, railway parts, etc. Its purpose is to improve the surface quality of the produced parts, thereby extending their service life. It typically involves blasting abrasive particles onto the surface of the part to remove oxide layers, rust layers, dirt, and other contaminants, thereby enhancing the metal strength and corrosion resistance of the part and reducing problems such as cracking and fatigue.

[0003] The axle housing is the assembly base for mounting the main reducer, differential, half shafts, etc. Its main function is to support and protect the main reducer, differential, and half shafts. The axle housing undergoes multiple processes such as casting, milling, and welding, and requires shot peening treatment.

[0004] Existing shot peening equipment typically requires manual operation, which is inconvenient, hinders efficient shot peening, reduces equipment efficiency, and can harm operator health. Furthermore, the standardized component clamping devices used in shot peening are not adaptable to large components like bridge housings. Additionally, prolonged manual shot peening results in shot material scattering and being difficult to collect. These are the existing problems. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a steel shot cleaning device specifically for bridge housings.

[0006] This utility model is achieved through the following technical solution:

[0007] A steel shot cleaning device for bridge housings includes a support frame with a housing on the support frame. The lower half of the housing is funnel-shaped, and a through hole is provided at the bottom of the housing. Several evenly distributed shot blasting nozzles are provided on the inner wall of the rear side of the housing. Two load racks are fixed on the lower wall of the housing, and each load rack is provided with a drive wheel and an auxiliary wheel. The bridge housing is placed between the drive wheels of the two load racks. A roller is fixed on the upper part of the rear side wall of the housing, and a roller shutter is wound inside the roller. A connecting plate is hinged to the first end of the roller shutter. A notch is provided on the front side wall of the housing. The area of ​​the connecting plate is larger than the area of ​​the notch. Before shot blasting, the roller shutter and the connecting plate are pulled out and placed on the upper part of the housing and the notch.

[0008] Furthermore, the interior of the housing is equipped with a shot peening pipe, to which a handheld nozzle is connected. The handheld nozzle is secured to the inner wall on one side of the notch.

[0009] Furthermore, an operating door is provided on one side of the connecting plate, and the roller shutter is made of transparent PU material.

[0010] Further optimized, the left and right inner sidewalls of the box are provided with sliding grooves, and when the roller shutter cover is installed on the upper part of the box, both sides are located in the sliding grooves.

[0011] Furthermore, a handle is fixed to the connecting plate.

[0012] Further optimized, the connecting plate has a locking hole, and a locking block adapted to the locking hole is fixed on the outer side wall below the notch.

[0013] In a further optimized configuration, a motor box is fixed on the rack, a motor is installed inside the motor box, and a secondary wheel is provided at the output end of the motor. The secondary wheel drives the drive wheel to rotate via a synchronous belt.

[0014] In a further optimized manner, a movable trolley is placed below the through-hole of the box.

[0015] In a further optimized configuration, the roller is provided with a rotating shaft, the roller shutter is fixed on the rotating shaft, and the rotating shaft passes through the side wall of the roller and is fixedly connected to a handle.

[0016] The beneficial effects of this utility model are:

[0017] This device places the bridge housing inside a box, which rotates on a carrying frame. The bridge housing is automatically shot-peened through a shot peening port on one side of the box. During shot peening, the upper part of the box is sealed by a roller shutter and connecting plate to prevent the steel shot from scattering. The steel shot enters the trolley through a through-hole at the bottom of the box, making it convenient to use. The roller shutter in this device is preferably made of transparent material for easy observation. An operating door is provided on the connecting plate, allowing for manual fine-tuning of hard-to-reach areas of the bridge housing using a handheld nozzle, improving the treatment quality. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention when it supports a bridge shell.

[0019] Figure 2 This is a three-dimensional structural diagram of the present invention.

[0020] Figure 3 For this Figure 2 Enlarged diagram of point A in the middle.

[0021] Figure 4 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 .

[0022] Figure 5 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 3 .

[0023] In the diagram: 1. Bracket; 2. Housing; 3. Drum; 5. Connecting plate; 6. Loading rack; 7. Handheld nozzle; 8. Bridge housing; 9. Small trolley; 21. Shot blasting nozzle; 22. Notch; 23. Locking block; 24. Slide groove; 31. Turning handle; 51. Handle; 52. Locking hole; 53. Operating door; 61. Drive wheel; 62. Auxiliary wheel; 63. Motor box; 64. Synchronous belt. Detailed Implementation

[0024] To clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific embodiments and in conjunction with the accompanying drawings. In the description of this invention, it should be noted that the terms "left," "right," "front," "rear," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing the invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0025] like Figures 1-5 As shown, this utility model provides a steel shot cleaning device for bridge housings, including a support 1, a box 2 on the support, the lower half of the box 2 being funnel-shaped, a through hole 24 at the bottom of the box 2, and several evenly distributed shot peening nozzles 21 on the inner wall of the rear side of the box 2. Two carriers 6 are fixed on the lower wall of the box 2, each carrier being equipped with a drive wheel 61 and an auxiliary wheel 62. The bridge housing 8 is placed between the drive wheels of the two carriers 6. During shot peening, the drive wheels drive the bridge housing to rotate on the carriers, resulting in more uniform shot peening.

[0026] A roller 3 is fixed to the upper part of the rear side wall of the housing 2. A roller shutter is rolled inside the roller 3, and a connecting plate 5 is hinged to the first end of the roller shutter. A notch 22 is opened on the front side wall of the housing 2. The area of ​​the connecting plate 5 is larger than the area of ​​the notch 22 to ensure that the connecting plate 5 can be locked outside the notch and the roller shutter is tightened. Before shot peening, the roller shutter and the connecting plate 5 are pulled out and placed over the upper part of the housing 2 and the notch 22. The roller shutter and the connecting plate close the upper part of the housing 2 to prevent the steel shot abrasive from scattering everywhere.

[0027] In a preferred embodiment, the housing 2 is further provided with a shot peening pipe, and a handheld nozzle 7 is connected to the shot peening pipe. The handheld nozzle 7 is fixed on the inner wall of the notch side, so that it can be easily removed at any time for manual shot peening.

[0028] In a preferred embodiment, an operating door 53 is provided on one side of the connecting plate 5. The roller shutter is made of transparent PU material, and the hand can be inserted through the operating door during manual operation. The transparent roller shutter makes it easy to observe, and together with the box body 2 which is lower in the front and higher in the back, it is convenient to carry out manual shot peening treatment.

[0029] As a preferred embodiment, the left and right inner sidewalls of the housing 2 are provided with sliding grooves 24, and when the roller shutter cover is installed on the upper part of the housing 2, both sides are located in the sliding grooves 24, resulting in a better sealing effect.

[0030] In a preferred embodiment, a handle 51 is fixed on the connecting plate 5. A locking hole 52 is provided on the connecting plate 5, and a locking block 23 adapted to the locking hole is fixed on the outer side wall below the notch 22. The structure is reasonably designed, easy to open and close, and convenient for hoisting the bridge shell 8 in and out.

[0031] In a preferred embodiment, a motor box 63 is fixed on the carrier 1, and a motor is provided inside the motor box. The output end of the motor is provided with a secondary wheel, and the secondary wheel drives the drive wheel 61 to rotate through the synchronous belt 64. The drive wheel drives the bridge housing to rotate.

[0032] In a preferred embodiment, a movable small cart 9 is placed below the through hole 24 of the housing to facilitate the handling of steel shot abrasive.

[0033] In a preferred embodiment, the roller drum 3 is equipped with a rotating shaft, and the roller blind is fixed on the rotating shaft. The rotating shaft passes through the side wall of the roller drum 3 and is fixedly connected to a handle 31. After processing, the connecting plate is opened to roll the roller blind back into the roller drum. Alternatively, a drive motor can be installed on one side of the roller drum for electric winding of the roller blind.

[0034] More specifically, before starting work, the bridge housing is hoisted into the box and placed on the drive frame. The roller shutter is pulled out through the connecting plate, which is then snapped onto the outside of the box to close it. The equipment is then started, the bridge housing rotates, and the shot peening nozzle begins shot peening. The treatment is observed through the transparent roller shutter. After automatic treatment is completed, it is observed whether further manual assistance is needed based on the actual situation. The operating door is opened, and manual shot peening is performed using a handheld nozzle. After the treatment is completed, the connecting plate is opened, the roller shutter is retracted, and the bridge housing is hoisted out.

[0035] All aspects not detailed in this utility model are well-known to those skilled in the art. Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and not to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A steel shot cleaning device specifically for bridge housings, comprising a support frame, characterized in that: The support frame is equipped with a box, the lower half of which is funnel-shaped. A through hole is provided at the bottom of the box. Several evenly distributed shot peening nozzles are provided on the inner wall of the rear side of the box. Two load racks are fixed on the lower wall of the box. Each load rack is equipped with a drive wheel and an auxiliary wheel. The bridge housing is placed between the drive wheels of the two load racks. A roller is fixed on the upper part of the rear side wall of the box. A roller shutter is rolled up inside the roller. A connecting plate is hinged to the first end of the roller shutter. A notch is provided on the front side wall of the box. The area of ​​the connecting plate is larger than the area of ​​the notch. Before shot peening, the roller shutter and the connecting plate are pulled out and placed on the upper part of the box and the notch.

2. The steel shot cleaning device for bridge housings according to claim 1, characterized in that: The box is also equipped with a shot peening pipe, and a handheld nozzle is connected to the shot peening pipe. The handheld nozzle is fixed to the inner wall on one side of the notch.

3. The steel shot cleaning device for bridge housings according to claim 2, characterized in that: An operating door is provided on one side of the connecting plate, and the roller shutter is made of transparent PU material.

4. The steel shot cleaning device for bridge housings according to claim 1, characterized in that: The left and right inner side walls of the box are provided with sliding grooves, and when the roller shutter cover is installed on the upper part of the box, both sides are located in the sliding grooves.

5. The steel shot cleaning device for bridge housings according to claim 1, characterized in that: A handle is fixed to the connecting plate.

6. The steel shot cleaning device for bridge housings according to claim 1, characterized in that: The connecting plate has a locking hole, and a locking block that matches the locking hole is fixed on the outer side wall below the notch.

7. The steel shot cleaning device for bridge housings according to claim 1, characterized in that: A motor box is fixed on the rack, and a motor is installed inside the motor box. The output end of the motor is equipped with a secondary wheel, which drives the drive wheel to rotate via a synchronous belt.

8. The steel shot cleaning device for bridge housings according to claim 1, characterized in that: A movable wheelbarrow is placed below the through-hole of the box.

9. The steel shot cleaning device for bridge housings according to claim 1, characterized in that: The roller is equipped with a rotating shaft, and the roller blind is fixed on the rotating shaft. The rotating shaft passes through the side wall of the roller and is fixedly connected to a handle.