Auxiliary detection tool for roughness of bearing hole of small bearing drum

Abstract

The utility model provides a small bearing drum bearing hole roughness auxiliary detection tool, which comprises a pedestal, and further comprises a fixing assembly and a detection assembly which are respectively arranged on the pedestal, a bearing drum is placed on the fixing assembly, a roughness meter is arranged on the detection assembly, and a probe of the roughness meter is in separable contact with a bearing hole of the bearing drum; the detection assembly comprises a supporting block arranged on the pedestal, a sliding block horizontally arranged on the supporting block in a sliding mode, a bearing table arranged on the sliding block in a lifting mode, and a pressing block used for driving the bearing table to move. According to the small bearing drum bearing hole roughness auxiliary detection tool provided by the utility model, the pressing block is arranged on the detection assembly, on one hand, the effect of pressing and fixing the bearing drum is achieved, on the other hand, the wedge-shaped table of the pressing block is matched with the wedge-shaped surface of the bearing table, and the effect of adjusting the position of a roughness instrument is achieved; the fixing efficiency of the small bearing drum is higher, and the roughness detection efficiency of the bearing hole is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of brake drum detection, in particular to a roughness auxiliary detection tool for a small-sized bearing drum bearing hole. Background Art

[0002] The brake hub, also known as the brake drum, is a cast iron part shaped like a tambourine. It is fixed to the tire and rotates at the same speed. When braking, the oil pressure is used to push the brake shoe to contact the inner edge of the brake drum, and the friction generated by the contact is used to suppress the rotation of the tire to achieve the purpose of braking. In layman's terms, the brake hub is like a metal drum or a small barrel that is mounted on the wheel hub, and the bottom of the barrel rubs against the wheel hub of the car to stop the car when braking. The bearing drum is a type of brake drum. The bearing drum is provided with a bearing hole for assembling the bearing. Before the bearing is assembled, it is necessary to test whether the roughness of the bearing hole meets the assembly requirements.

[0003] However, it is inconvenient to fix small bearing drums, and due to the small size of the bearing hole, it is time-consuming and labor-intensive to detect the roughness of the bearing hole using a roughness meter, and the detection efficiency is low. This solution solves this technical problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an auxiliary detection tool for the roughness of the bearing hole of a small bearing drum, which is convenient and quick for detecting the roughness of the bearing hole of the small bearing drum.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a small bearing drum bearing hole roughness auxiliary detection tool, including a pedestal, and also including a fixing component and a detection component respectively arranged on the pedestal, a bearing drum is placed on the fixing component, a roughness meter is arranged on the detection component, and a probe of the roughness meter is in detachable contact with the bearing hole of the bearing drum;

[0006] The detection component includes a support block arranged on the base, a slider horizontally slidably arranged on the support block, a load-bearing platform arranged on the slider and capable of being raised and lowered, and a clamping block for driving the load-bearing platform to move. The clamping block is slidably arranged on one side of the slider, and the other side of the clamping block is detachably abutted against an end surface of the bearing drum. The roughness meter is arranged on the load-bearing platform, and the other side of the slider is connected to a driving mechanism.

[0007] A compression spring 1 is arranged between the slider and the supporting platform, a wedge-shaped surface is arranged at one end of the supporting platform, a wedge-shaped platform that slides in contact with the wedge-shaped surface 1 is arranged on one side of the clamping block, guide rods are arranged at both ends of one side of the clamping block, a guide hole is arranged on the slider, the guide rod is slidably arranged in the guide hole, and a compression spring 2 is arranged on the outer side of the guide rod.

[0008] The fixing assembly comprises a bracket 1 supported on the side of the bearing drum and a bracket 2 abutting against the other end surface of the bearing drum. Both the bracket 1 and the bracket 2 are fixedly arranged on the pedestal.

[0009] A lead screw nut is arranged on the support block, a bearing is arranged on the other side of the slider, the driving mechanism includes a lead screw passing through the lead screw nut, a hand wheel arranged at one end of the lead screw, and the other end of the lead screw is rotatably connected to the support block through the bearing.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] (1) By arranging a clamping block on the detection component, on the one hand, the bearing drum is clamped and fixed, and on the other hand, the wedge-shaped platform of the clamping block cooperates with the wedge-shaped surface of the bearing platform to adjust the position of the roughness meter. The clamping block has a multifunctional effect, and the fixing efficiency of the small bearing drum is higher, and the roughness detection efficiency of the bearing hole is higher;

[0012] (2) The side and end face of the bearing drum are fixed respectively by bracket 1 and bracket 2 of the fixing assembly, and the bearing drum is pressed and fixed with the clamping block. No separate pressing and fixing operation is required. The pressing and fixing efficiency of the small bearing drum is higher and the fixing effect is better, which further improves the detection efficiency of the roughness meter. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model Figure 1 .

[0014] Figure 2 This is a schematic diagram of the overall structure of the utility model Figure 2 .

[0015] Figure 3 It is a structural schematic diagram of the detection component of the utility model.

[0016] Figure 4 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0017] Figure 5 It is a schematic cross-sectional structural diagram of the slider of the utility model.

[0018] Among them, in the figure: 1, base; 2, bearing drum; 3, roughness meter; 4, support block; 41, screw nut; 5, slider; 51, guide hole; 52, bearing; 6, support platform; 61, wedge surface; 7, clamping block; 71, wedge platform; 72, guide rod; 721, compression spring 2; 8, compression spring 1; 9, fixing assembly; 91, bracket 1; 92, bracket 2; 10, screw; 11, handwheel. DETAILED DESCRIPTION

[0019] In order to more clearly illustrate the technical features of this solution, this solution is described below through specific implementation methods.

[0020] See also Figure 1-Figure 5 A small bearing drum bearing hole roughness auxiliary detection tool comprises a pedestal 1, and also comprises a fixing component 9 and a detection component respectively arranged on the pedestal 1, a bearing drum 2 is placed on the fixing component 9, a roughness meter 3 is arranged on the detection component, and a probe of the roughness meter 3 is in detachable contact with the bearing hole of the bearing drum 2;

[0021] The detection component includes a support block 4 arranged on a base 1, a slider 5 horizontally slidably arranged on the support block 4, a load-bearing platform 6 arranged on the slider 5 and capable of being raised and lowered, and a clamping block 7 for driving the load-bearing platform 6 to move. The clamping block 7 is slidably arranged on one side of the slider 5, and the other side of the clamping block 7 is detachably abutted against one end surface of the bearing drum 2. The roughness meter 3 is arranged on the load-bearing platform 6, and the other side of the slider 5 is connected to a driving mechanism.

[0022] A compression spring 8 is arranged between the slider 5 and the bearing platform 6, a wedge surface 61 is arranged at one end of the bearing platform 6, a wedge platform 71 that is in sliding contact with the wedge surface 61 is arranged on one side of the clamping block 7, guide rods 72 are respectively arranged at both ends of one side of the clamping block 7, a guide hole 51 is arranged on the slider 5, the guide rod 72 is slidably arranged in the guide hole 51, and a compression spring 721 is arranged on the outer side of the guide rod 72.

[0023] The fixing assembly 9 includes a bracket 1 91 supported on the side of the bearing drum 2 and a bracket 2 92 abutting against the other end surface of the bearing drum 2 . Both the bracket 1 91 and the bracket 2 92 are fixedly disposed on the pedestal 1 .

[0024] A lead screw nut 41 is provided on the support block 4, and a bearing 52 is provided on the other side of the slider 5. The driving mechanism includes a lead screw 10 inserted into the lead screw nut 41 and a handwheel 11 provided at one end of the lead screw 10. The other end of the lead screw 10 is rotatably connected to the support block 4 through the bearing 52.

[0025] The specific working process of this utility model:

[0026] When in use, the bearing drum 2 is placed between the bracket 1 91 and the bracket 2 92 of the fixing assembly 9, and the roughness meter 3 is fixed on the bearing platform 6. At this time, the bearing platform 6 can slide up and down on the slider 5 under the action of the compression spring 1 8 and protrude above the slider 5;

[0027] The hand wheel 11 is turned, and the hand wheel 11 drives the lead screw 10 to rotate along the lead screw nut 41, and the lead screw 10 drives the slider 5 to slide. When the slider 5 slides until the clamping block 7 contacts the bearing drum 2, the clamping block 7 starts to slide in the guide groove through the guide rod 72, and gradually overcomes the elastic force of the second compression spring 721, so that the clamping block 7 and the bearing drum 2 are pressed tighter.

[0028] Turn on the roughness meter 3 and continue to turn the handwheel 11. When the wedge-shaped platform 71 on the clamping block 7 contacts the wedge-shaped surface 61 on the bearing platform 6, the wedge-shaped platform 71 drives the bearing platform 6 to overcome the elastic force of the compression spring 8, and the bearing platform 6 drives the roughness meter 3 to slide downward. When the bearing platform 6 slides until the probe of the dynamic roughness meter 3 contacts the bearing hole of the bearing drum 2, the roughness meter 3 displays that the probe position meets the detection requirements, then you can stop turning the handwheel 11 and start the roughness meter 3 to detect the roughness of the bearing hole.

[0029] After the detection is completed, the hand wheel 11 is rotated in the opposite direction, and the clamping block 7 is acted upon by the elastic force of the compression spring 2 721, so that the wedge-shaped platform 71 is separated from the wedge-shaped surface 61, and the supporting platform 6 is lifted up by the elastic force of the compression spring 1 8, and the probe of the roughness meter 3 is separated from the bearing hole. The hand wheel 11 is continued to be rotated until the clamping block 7 is separated from the bearing drum 2. Finally, the bearing drum 2 can be removed and the next bearing drum 2 can be detected.

[0030] By arranging the pressing block 7 on the detection component, on the one hand, the bearing drum 2 is pressed and fixed, and on the other hand, the wedge-shaped platform 71 of the pressing block 7 cooperates with the wedge-shaped surface 61 of the bearing platform 6 to adjust the position of the roughness meter 3. The pressing block 7 has a multifunctional effect, and the fixing efficiency of the small bearing drum 2 is higher, and the roughness detection efficiency of the bearing hole is higher.

[0031] The side and end face of the bearing drum 2 are fixed respectively by bracket 1 91 and bracket 2 92 of the fixing assembly 9, and the bearing drum 2 is pressed and fixed in cooperation with the clamping block 7. There is no need for a separate pressing and fixing operation. The pressing and fixing efficiency of the small bearing drum 2 is higher and the fixing effect is better, further improving the detection efficiency of the roughness meter 3.

[0032] Technical features not described in the present invention can be achieved through or by adopting existing technologies, and will not be elaborated here. Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.

Claims

1. A small bearing drum bearing hole roughness auxiliary detection tool, comprising a base (1), characterized in that: It also includes a fixing component (9) and a detection component respectively arranged on the pedestal (1), wherein a bearing drum (2) is placed on the fixing component (9), and a roughness meter (3) is arranged on the detection component, wherein a probe of the roughness meter (3) is in detachable contact with a bearing hole of the bearing drum (2); The detection component comprises a support block (4) arranged on the pedestal (1), a slider (5) horizontally slidably arranged on the support block (4), a bearing platform (6) arranged on the slider (5) in a liftable manner, and a clamping block (7) for driving the bearing platform (6) to move, wherein the clamping block (7) is slidably arranged on one side of the slider (5), and the other side of the clamping block (7) is detachably abutted against an end surface of the bearing drum (2), the roughness meter (3) is arranged on the bearing platform (6), and the other side of the slider (5) is connected to a driving mechanism.

2. The auxiliary detection tool for roughness of bearing hole of small bearing drum according to claim 1 is characterized in that: A compression spring (8) is arranged between the slider (5) and the bearing platform (6), a wedge surface (61) is arranged at one end of the bearing platform (6), a wedge platform (71) that is in sliding contact with the wedge surface (61) is arranged on one side of the clamping block (7), guide rods (72) are arranged at both ends of one side of the clamping block (7), a guide hole (51) is arranged on the slider (5), the guide rod (72) is slidably arranged in the guide hole (51), and a compression spring (721) is arranged on the outer side of the guide rod (72).

3. The auxiliary detection tool for roughness of bearing hole of small bearing drum according to claim 2 is characterized in that: The fixing assembly (9) comprises a bracket 1 (91) supported on the side of the bearing drum (2) and a bracket 2 (92) abutting against the other end surface of the bearing drum (2); the bracket 1 (91) and the bracket 2 (92) are both fixedly arranged on the pedestal (1).

4. The auxiliary detection tool for roughness of bearing hole of small bearing drum according to claim 2 is characterized in that: A lead screw nut (41) is provided on the support block (4), a bearing (52) is provided on the other side of the slider (5), the driving mechanism comprises a lead screw (10) inserted into the lead screw nut (41), a hand wheel (11) provided at one end of the lead screw (10), and the other end of the lead screw (10) is rotatably connected to the support block (4) via the bearing (52).

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