Strength detection device for mechanical parts

Abstract

The utility model discloses a strength detection device for mechanical parts, which comprises a table top and a base plate mounted on the top surface of the table top, clamping components are symmetrically arranged on two sides of the base plate, and each clamping component comprises a lifting column in sliding connection with the table top; the top end of the lifting column is fixedly connected with a fixing sleeve, the top of the fixing sleeve is fixedly connected with a locking sleeve, the middle of the locking sleeve is connected with a movable rack in a penetrating mode, the movable rack is slidably connected with the fixing sleeve, the middle of the locking sleeve is connected with a movable rod in a penetrating mode, and the end, close to the base plate, of the movable rod is fixedly connected with a clamping ring. The middle of the locking sleeve is movably connected with a rotating shaft, the bottom end of the rotating shaft is rotationally connected with a clamping head, and the clamping head is connected with the movable rack in a clamped mode. Through clamping of the clamping head and the movable rack, the clamping ring can stably clamp most parts, the device is simple in structure and convenient to operate, and practicability is improved.

Description

Technical Field

[0001] This utility model relates to the field of testing equipment technology, specifically a strength testing device for mechanical parts. Background Technology

[0002] Publication No. CN221550299U discloses a device for testing the compressive strength of mechanical watch parts, including a worktable, a support frame, a cylinder, a pressure plate, a guide rod, a sliding plate, and a clamping mechanism. A support frame is mounted on one side of the worktable, and a cylinder is installed on the support frame. The telescopic end of the cylinder passes through the support frame, and a pressure plate is installed at its end. A sliding plate is slidably mounted on one side of the worktable via a guide rod, and a clamping mechanism for the mechanical watch parts is provided on the sliding plate. Pulling the clamping plate outward compresses the first spring, and then the mechanical watch parts are fixed with adhesive tape. Releasing the clamping plate causes the first spring to rebound, pushing the two clamping plates back to their original position to clamp the mechanical watch parts. This achieves the effect of fixing the mechanical watch parts and preventing displacement during the pressing process of the pressure plate. However, this patent still has the following problems in actual use:

[0003] When the device is clamped, the clamping plate remains movable. When performing weak pressure tests on sensitive parts of mechanical watches, it has an anti-displacement effect. However, when performing high-strength tests on some alloy parts with spherical or elliptical bottoms, the greater pressure will cause the parts to shift along with the clamping plate, affecting the measurement accuracy.

[0004] A strength testing device for mechanical parts is proposed to address the problems mentioned above. Utility Model Content

[0005] The purpose of this invention is to provide a strength testing device for mechanical parts, in order to solve the problem that, in the aforementioned device, the clamping plate remains movable during clamping. While it provides anti-displacement effect when performing weak pressure tests on confidential parts of mechanical watches, it causes the parts to shift along with the clamping plate during high-strength tests on alloy parts with spherical or elliptical bottoms, thus affecting measurement accuracy.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a strength testing device for mechanical parts, including a desktop and a pad installed on the top surface of the desktop, wherein a pressure testing machine is fixedly installed above the pad;

[0007] The pad is symmetrically provided with clamping components on both sides. The clamping components include lifting columns that are slidably connected to the desktop. A height adjustment component is provided between the bottom surface of the desktop and the lifting columns.

[0008] The lifting column is fixedly connected to a fixed sleeve at its top, and a locking sleeve is fixedly connected to the top of the fixed sleeve. A moving rack is connected through the middle of the locking sleeve and is slidably connected to the fixed sleeve. A moving rod is connected through the middle of the fixed sleeve. A clamping ring is fixedly connected to one end of the moving rod near the pad, and a moving plate is fixedly connected to the other end of the moving rod. A baffle is fixedly connected to the end of the moving rack away from the pad. Several evenly distributed adjustment holes are opened on the side of the fixed sleeve. An angle-fixed rods are symmetrically fixedly connected to the side of the moving plate and are inserted into the adjustment holes.

[0009] The locking sleeve is movably connected to a rotating shaft in the middle, and a locking head is rotatably connected to the bottom end of the rotating shaft. The locking head engages with the moving rack.

[0010] Preferably, a movable groove is provided on the outer side of the rotating shaft, a movable block is slidably connected in the movable groove, a coil spring is sleeved on the outside of the rotating shaft, one end of the coil spring is fixedly connected to the top surface of the locking sleeve, and the other end of the coil spring is fixedly connected to the movable block.

[0011] Preferably, a locking sleeve is fixedly connected to one side of the bottom of the locking sleeve, the locking sleeve includes upper and lower locking cavities, and a locking post is fixedly connected to one side of the bottom of the rotating shaft, the locking post being engaged and connected with the locking sleeve.

[0012] Preferably, a spring is provided between the clamping ring and the fixing sleeve.

[0013] Preferably, the locking head fits against the inner side of the locking sleeve.

[0014] Preferably, the height adjustment component includes a positioning sleeve fitted on the outside of the lifting column, a screw sleeve threaded to the bottom of the positioning sleeve, a connecting plate fixedly connected to the upper middle part of the positioning sleeve, and a clamping sleeve symmetrically fixedly connected to the bottom of the connecting plate. The clamping sleeve is fitted on the outside of the lifting column, and the lifting column passes through the connecting plate.

[0015] Preferably, a rubber ring is provided above the connecting plate, the rubber ring is fixedly connected to the positioning sleeve, the lifting column passes through and fits the middle of the rubber ring, and the rotating sleeve fits the outer inclined surface of the clamp.

[0016] Compared with the prior art, the beneficial effects of this utility model are: This strength testing device for mechanical parts, by engaging the locking head with the moving rack, prevents the moving rack from moving outward, thus providing a stable clamping effect for most parts. Furthermore, the device has a simple structure, is easy to operate, and increases its practicality. Its specific details are as follows:

[0017] 1. The spring pushes the clamping ring to hold the part. At this time, the moving rack is pushed to move, and the baffle is made to fit against the moving plate. Then, the rotating shaft is rotated and pressed down, so that the locking pin first disengages from the locking cavity above the locking sleeve, and then slides into the locking cavity below. At this time, the locking head engages with the moving rack, so that the moving rack cannot move outward, thus making the clamping ring stably hold the part. This device has a simple structure, is easy to operate, and can stably hold most parts, increasing its practicality.

[0018] 2. By raising the lifting column, the position of the clamping ring is raised, and then the rotating sleeve is rotated to displace it and squeeze the clamping sleeve, so that the lifting column is clamped by the clamping sleeve, and finally the higher part can be clamped in the middle, making this type of part more stable. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the front structure of this utility model;

[0020] Figure 2 for Figure 1 Enlarged structural diagram at point A in the middle;

[0021] Figure 3 for Figure 1 Enlarged structural diagram at point B;

[0022] Figure 4 for Figure 1 Enlarged structural diagram at point C;

[0023] Figure 5 This is a side view of the fixed sleeve structure.

[0024] Figure 6 This is a schematic diagram of the mounting structure of the rotating shaft and the coil spring.

[0025] In the diagram: 1. Desktop; 101. Pad; 102. Pressure testing machine; 2. Clamping assembly; 201. Lifting column; 202. Fixing sleeve; 203. Moving rod; 204. Clamping ring; 205. Locking sleeve; 206. Moving rack; 207. Baffle; 208. Moving plate; 209. Angle rod; 210. Adjusting hole; 211. Spring; 212. Rotating shaft; 213. Positioning head; 214. Movable groove; 215. Coil spring; 216. Movable block; 217. Locking sleeve; 218. Locking column; 3. Height adjustment assembly; 301. Positioning sleeve; 302. Rotating sleeve; 303. Connecting plate; 304. Clamping sleeve; 305. Rubber ring. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figure 1-6 The present invention provides a technical solution: a strength testing device for mechanical parts, including a desktop 1 and a pad 101 installed on the top surface of the desktop 1, and a pressure testing machine 102 fixedly installed above the pad 101; the parts are placed on the pad 101 for processing.

[0028] The pad 101 is symmetrically provided with clamping components 2 on both sides. The clamping components 2 include a lifting column 201 that is slidably connected to the desktop 1. A height adjustment component 3 is provided between the bottom surface of the desktop 1 and the lifting column 201. The lifting column 201 can only be raised and lowered, but cannot be rotated.

[0029] The lifting column 201 is fixedly connected to a fixed sleeve 202 at its top, and a locking sleeve 205 is fixedly connected to the top of the fixed sleeve 202. A moving rack 206 is connected through the middle of the locking sleeve 205 and is slidably connected to the fixed sleeve 202. A moving rod 203 is connected through the middle of the fixed sleeve 202. A clamping ring 204 is fixedly connected to one end of the moving rod 203 near the pad 101, and a moving plate 208 is fixedly connected to the other end of the moving rod 203. A baffle 207 is fixedly connected to the end of the moving rack 206 away from the pad 101. Several evenly distributed adjustment holes 210 are opened on the side of the fixed sleeve 202. Angle rods 209 are symmetrically fixedly connected to the side of the moving plate 208 and are inserted into the adjustment holes 210. There are no fewer than four adjustment holes 210. The moving rod 203 can both slide and rotate.

[0030] The locking sleeve 205 is movably connected to a rotating shaft 212 in the middle, and the bottom end of the rotating shaft 212 is rotatably connected to a locking head 213, which engages with the moving rack 206.

[0031] A movable groove 214 is provided on the outer side of the rotating shaft 212, and a movable block 216 is slidably connected in the movable groove 214. A coil spring 215 is sleeved on the outside of the rotating shaft 212. One end of the coil spring 215 is fixedly connected to the top surface of the locking sleeve 205, and the other end of the coil spring 215 is fixedly connected to the movable block 216. The coil spring 215 enables the locking pin 218 to always be located in a locking cavity when there is no external force.

[0032] A locking sleeve 217 is fixedly connected to the bottom side of the locking sleeve 205. The locking sleeve 217 includes upper and lower locking cavities. A locking pin 218 is fixedly connected to the bottom side of the rotating shaft 212. The locking pin 218 is engaged with the locking sleeve 217. After the locking pin 218 slides into the locking cavity of the locking sleeve 217, the rotating shaft 212 can maintain this height and cannot move up or down.

[0033] A spring 211 is provided between the clamping ring 204 and the fixed sleeve 202; the spring 211 is sleeved on the outside of the moving rod 203, and its two ends are respectively attached to the clamping ring 204 and the fixed sleeve 202.

[0034] The locking head 213 is in contact with the inner side of the locking sleeve 205; the locking head 213 cannot rotate.

[0035] The height adjustment component 3 includes a positioning sleeve 301 sleeved on the outside of the lifting column 201. The bottom of the positioning sleeve 301 is threadedly connected to a rotating sleeve 302. A connecting plate 303 is fixedly connected to the upper middle part of the positioning sleeve 301. A clamping sleeve 304 is symmetrically fixedly connected to the bottom of the connecting plate 303. The clamping sleeve 304 is sleeved on the outside of the lifting column 201, and the lifting column 201 passes through the connecting plate 303. The clamping sleeve 304 is made of plastic and can deform to clamp the lifting column 201.

[0036] A rubber ring 305 is provided above the connecting plate 303. The rubber ring 305 is fixedly connected to the positioning sleeve 301. The lifting column 201 passes through and fits the middle of the rubber ring 305. The rotating sleeve 302 fits the outer inclined surface of the clamp 304. The friction between the rubber ring 305 and the lifting column 201 allows the lifting column 201 to maintain the set height before locking, avoiding the need for people to hold it.

[0037] Working principle: Before using this strength testing device for mechanical parts, it is necessary to check the overall condition of the device to ensure it can function properly. Figure 1 - Figure 6 As shown, during clamping, the spring 211 pushes the clamping ring 204 to clamp the part. At this time, the moving rack 206 is pushed to move, and the baffle 207 is made to fit against the moving plate 208. Then, the rotating shaft 212 is rotated and pressed down, so that the locking pin 218 first disengages from the locking cavity above the locking sleeve 217 and then slides into the locking cavity below. At this time, the locking head 213 engages with the moving rack 206, so that the moving rack 206 cannot move outward, thereby making the clamping ring 204 stably clamp the part. This device has a simple structure, is easy to operate, and can stably clamp most parts, increasing its practicality.

[0038] When it is necessary to change the clamping direction of the clamping ring 204, for example, when clamping a horizontal rod, first make sure that the locking head 213 is not engaged with the moving rack 206, then push the clamping ring 204 outward to move the moving rod 203 outward until the fixed angle rod 209 disengages from the adjustment hole 210. Then rotate the clamping ring 204, and after stopping pushing the clamping ring 204, the fixed angle rod 209 is reinserted into different adjustment holes 210, so that the clamping direction of the clamping ring 204 is changed, which increases the flexibility of the device when clamping parts and improves its practicality.

[0039] When clamping a taller part, first pull up the lifting column 201 to raise the position of the clamping ring 204. Then rotate the sleeve 302 to displace it and squeeze the sleeve 304, so that the lifting column 201 is clamped by the sleeve 304. Finally, the taller part can be clamped in the middle, making this type of part more stable.

[0040] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A strength testing device for mechanical parts, comprising a desktop (1) and a pad (101) mounted on the top surface of the desktop (1), wherein a pressure testing machine (102) is fixedly mounted above the pad (101); Its features are, Also includes: The pad (101) is symmetrically provided with clamping components (2) on both sides. The clamping components (2) include a lifting column (201) that is slidably connected to the desktop (1). A height adjustment component (3) is provided between the bottom surface of the desktop (1) and the lifting column (201). The lifting column (201) is fixedly connected to a fixed sleeve (202) at its top end. A locking sleeve (205) is fixedly connected to the top of the fixed sleeve (202). A moving rack (206) is threaded through the middle of the locking sleeve (205). The moving rack (206) is slidably connected to the fixed sleeve (202). A moving rod (203) is threaded through the middle of the fixed sleeve (202). One end of the moving rod (203) near the pad (101) is fixed... A clamping ring (204) is fixedly connected to the other end of the moving rod (203), and a moving plate (208) is fixedly connected to the other end of the moving rack (206) away from the pad (101). A baffle (207) is fixedly connected to the other end of the fixed sleeve (202), and several evenly distributed adjustment holes (210) are opened on the side. A fixed angle rod (209) is symmetrically fixedly connected to the side of the moving plate (208), and the fixed angle rod (209) is inserted into the adjustment hole (210). The locking sleeve (205) is movably connected to a rotating shaft (212) in the middle, and a locking head (213) is rotatably connected to the bottom end of the rotating shaft (212). The locking head (213) is engaged with the moving rack (206).

2. The strength testing device for mechanical parts according to claim 1, characterized in that: The outer side of the rotating shaft (212) is provided with a movable groove (214), and a movable block (216) is slidably connected in the movable groove (214). A coil spring (215) is sleeved on the outside of the rotating shaft (212). One end of the coil spring (215) is fixedly connected to the top surface of the locking sleeve (205), and the other end of the coil spring (215) is fixedly connected to the movable block (216).

3. The strength testing device for mechanical parts according to claim 2, characterized in that: A locking sleeve (217) is fixedly connected to the bottom side of the locking sleeve (205). The locking sleeve (217) includes upper and lower locking cavities. A locking pin (218) is fixedly connected to the bottom side of the rotating shaft (212). The locking pin (218) is engaged and connected to the locking sleeve (217).

4. The strength testing device for mechanical parts according to claim 1, characterized in that: A spring (211) is provided between the clamping ring (204) and the fixing sleeve (202).

5. The strength testing device for mechanical parts according to claim 1, characterized in that: The locking head (213) fits against the inner side of the locking sleeve (205).

6. The strength testing device for mechanical parts according to claim 1, characterized in that: The height adjustment component (3) includes a positioning sleeve (301) sleeved on the outside of the lifting column (201). The bottom of the positioning sleeve (301) is threaded with a rotating sleeve (302). A connecting plate (303) is fixedly connected to the upper middle part of the positioning sleeve (301). A clamp (304) is symmetrically fixedly connected to the bottom of the connecting plate (303). The clamp (304) is sleeved on the outside of the lifting column (201). The lifting column (201) passes through the connecting plate (303).

7. The strength testing device for mechanical parts according to claim 6, characterized in that: A rubber ring (305) is provided above the connecting plate (303). The rubber ring (305) is fixedly connected to the positioning sleeve (301). The lifting column (201) passes through and fits the middle of the rubber ring (305). The rotating sleeve (302) fits the outer inclined surface of the clamp (304).

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