CN216525139U - Fixing device for hardness detector - Google Patents
Fixing device for hardness detector Download PDFInfo
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- CN216525139U CN216525139U CN202122828625.5U CN202122828625U CN216525139U CN 216525139 U CN216525139 U CN 216525139U CN 202122828625 U CN202122828625 U CN 202122828625U CN 216525139 U CN216525139 U CN 216525139U
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Abstract
The utility model belongs to the technical field of hardness testing equipment, and particularly relates to a fixing device for a hardness tester, which comprises fixed side plates, a top plate and a hardness tester body, wherein the top plate is fixedly connected between the fixed side plates, the hardness tester body is fixedly connected to the top of the top plate, the bottom of the fixed side plates is fixedly connected with a motor mounting plate, a lifting plate is slidably connected between the fixed side plates, the top of the motor mounting plate is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a transmission threaded rod, the transmission threaded rod penetrates through the lifting plate and is connected to the bottom of the top plate, the top of the lifting plate is slidably connected with a fixing mechanism through a sliding chute, the lifting plate is rotatably connected with a transmission shaft, the transmission shaft is fixedly connected with a transmission gear, the top and the bottom of the transmission gear are both meshed with a spur rack, so that a test sample can be conveniently clamped and fixed in the whole testing process, the detection accuracy is effectively improved.
Description
Technical Field
The utility model belongs to the technical field of hardness detection equipment, and particularly relates to a fixing device for a hardness detector.
Background
The hardness detector is a special instrument for measuring the surface hardness of the coating, the hardness tester is divided into a desk type hardness tester and a portable type hardness tester, the desk type hardness tester is mainly used in a laboratory and has the advantage of high precision, the portable type hardness tester is used for testing installed mechanical or permanent assembled parts and is convenient to carry, the portable type hardness tester integrates the portable type hardness testers such as a Leeb, a Brinell, a Rockwell and the like, the free conversion of 7 different hardness values can be realized, the problem that the hardness testers need to manually search the hardness testers for a cable program in the past is eliminated, and the intelligent and portable characteristics in the true sense are realized.
The existing hardness detector is troublesome to fix a test sample, and the test sample is easy to move in the test process to cause inaccurate test and larger error of a test result.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a fixing device for a hardness detector, which is convenient for clamping and fixing a test sample in the whole test process, effectively improves the detection accuracy rate, and solves the problems that the existing hardness detector of the prior device is troublesome in fixing the test sample, and the tested sample is easy to move in the test process, so that the test is inaccurate, and the test result error is large.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: a fixing device for a hardness detector comprises fixed side plates, a top plate and a hardness detector body, wherein the top plate is fixedly connected between the fixed side plates, the hardness detector body is fixedly connected at the top of the top plate, a motor mounting plate is fixedly connected at the bottom of the fixed side plates, a lifting plate is slidably connected between the fixed side plates, a driving motor is fixedly connected at the top of the motor mounting plate, a transmission threaded rod is fixedly connected at the output end of the driving motor, the transmission threaded rod penetrates through the lifting plate to be connected at the bottom of the top plate, a fixing mechanism is slidably connected at the top of the lifting plate through a chute, a transmission shaft is rotatably connected on the lifting plate, a transmission gear is fixedly connected on the transmission shaft, the top and the bottom of the transmission gear are respectively meshed and connected with a straight rack, and a first fixing plate is fixedly connected at the top of the straight rack above the transmission gear, the top of the straight rack is fixedly connected with a second fixing plate below the transmission gear, one end of the transmission shaft is fixedly connected with a rotating handle, and the rotating handle is arranged outside the lifting plate.
Preferably, the bottom of the top plate is fixedly connected with a fixing rod, the fixing rod penetrates through the top plate to be connected with the hardness detector body, the bottom of the fixing rod is fixedly connected with a detection probe, and a display screen is arranged on the front side face of the hardness detector body.
By adopting the scheme, the test probe is used for pressing down the test sample to transmit the test signal to the hardness detector body, and the test signal is displayed through the display screen.
Preferably, lifter plate bottom fixedly connected with drive nut, just drive nut threaded connection is on the drive threaded rod, the equal fixedly connected with slider in both ends about the lifter plate, the lifter plate passes through slider sliding connection and leans on interior one side at fixed curb plate.
Through adopting above-mentioned scheme, adopt this kind of structure similar to lead screw transmission, when driving motor drives the rotation of transmission threaded rod, drive transmission nut and lifter plate and go up and down, make things convenient for test sample and test probe contact to detect.
Preferably, the lifter plate sets up between roof and motor mounting panel, the guiding hole has been seted up on the lifter plate, first bearing is installed to the roof bottom, install in first bearing on the transmission threaded rod top.
Through adopting above-mentioned scheme, wherein the guiding hole is run through to the transmission threaded rod, and first bearing is used for playing spacing installation effect to the transmission threaded rod.
Preferably, the front side and the rear side of the lifting plate are both provided with second bearings, and the transmission shaft is arranged on the lifting plate through the second bearings.
Preferably, the fixing mechanism is fixedly connected to the inner side of the first fixing plate and the inner side of the second fixing plate, and the first fixing plate and the second fixing plate are both connected to the sliding groove in a sliding mode.
Preferably, the fixing mechanism is composed of a bottom plate, a sliding clamping plate and a spring, the bottom plate is fixedly connected to the inner side of the first fixing plate and the inner side of the second fixing plate, the sliding clamping plate is slidably connected to the top of the bottom plate, and the bottom plate and the sliding clamping plate are connected through the spring.
Through adopting above-mentioned scheme, when rotating the handle through rotating, the transmission shaft rotates, drives drive gear and rotates thereupon to drive the spur rack and be close to or keep away from each other, thereby drive the fixed establishment at first fixed plate, second fixed plate top and be close to each other and press from both sides the sample tight or keep away from and loosen the sample, play certain cushioning effect to sample fixed process through slip clamp plate, spring, realized fixing the tight fixedly to the quick clamp of test sample, convenient the detection.
(III) advantageous effects
Compared with the prior art, the utility model provides a fixing device for a hardness detector, which has the following beneficial effects:
when examining the sample, place the sample at the lifter plate top, between the fixed establishment, it makes drive gear rotate to rotate the handle through rotating, it is close to each other to drive the spur rack, thereby drive first fixed plate, the fixed establishment at second fixed plate top is close to each other and presss from both sides the sample tightly, through the slip clamp plate, the spring plays certain cushioning effect to the sample, it rises to drive transmission nut and lifter plate through driving motor rotation, until sample contact test probe, give the hardness test appearance body with test signal transmission and carry out the hardness test, be convenient for press from both sides the fastening to the test sample in whole testing process, effectively improve the test accuracy.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the lifter plate of the present invention;
FIG. 3 is a schematic view of a portion of a cross-sectional view of the lifter plate of the present invention;
FIG. 4 is a schematic view showing a connection structure of a propeller shaft according to the present invention;
in the figure:
1. fixing the side plate; 2. a top plate; 3. a hardness detector body; 4. a lifting plate; 5. a drive motor; 6. a drive nut; 7. a motor mounting plate; 8. fixing the rod; 9. detecting a probe; 10. a first bearing; 11. a display screen; 12. a fixing mechanism; 13. rotating the handle; 14. a chute; 15. a transmission threaded rod; 16. a slider; 17. a first fixing plate; 18. a second fixing plate; 19. a spring; 20. sliding the clamping plate; 21. a base plate; 22. a drive shaft; 23. a transmission gear; 24. straight rack; 25. a second bearing; 26. a guide hole; 27. and a limit gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
A fixing device for a hardness detector comprises a fixed side plate 1, a top plate 2 and a hardness detector body 3, wherein the top plate 2 is fixedly connected between the fixed side plates 1, the hardness detector body 3 is fixedly connected at the top of the top plate 2, a motor mounting plate 7 is fixedly connected at the bottom of the fixed side plate 1, a lifting plate 4 is slidably connected between the fixed side plates 1, a driving motor 5 is fixedly connected at the top of the motor mounting plate 7, a transmission threaded rod 15 is fixedly connected at the output end of the driving motor 5, the transmission threaded rod 15 penetrates through the lifting plate 4 and is connected at the bottom of the top plate 2, a fixing mechanism 12 is slidably connected at the top of the lifting plate 4 through a sliding chute 14, a transmission shaft 22 is rotatably connected on the lifting plate 4, a transmission gear 23 is fixedly connected on the transmission shaft 22, and the top and the bottom of the transmission gear 23 are both meshed with a straight rack 24, the top of the straight rack 24 above the transmission gear 23 is fixedly connected with a first fixing plate 17, the top of the straight rack 24 below the transmission gear 23 is fixedly connected with a second fixing plate 18, one end of the transmission shaft 22 is fixedly connected with a rotating handle 13, and the rotating handle 13 is arranged outside the lifting plate 4.
The two spur racks 24 are respectively connected to the top and the bottom of the transmission gear 23 in a left-right meshed manner, and when the transmission gear 23 is driven by the transmission shaft 22 to rotate, the two spur racks 24 slide in opposite directions, so that the first fixing plate 17 and the second fixing plate 18 which are fixedly connected with the two spur racks are driven to be close to or far away from the fixing mechanism 12 arranged on the first fixing plate 17 and the second fixing plate 18, and a test sample is conveniently clamped or loosened.
2 bottom fixedly connected with dead lever 8 of roof, dead lever 8 runs through roof 2 and connects hardness testing appearance body 3, 8 bottom fixedly connected with test probe 9 of dead lever, be provided with display screen 11 on the 3 leading flank of hardness testing appearance body, push down test sample through test probe 9 and give hardness testing appearance body 3 with test signal transmission to show through display screen 11.
4 bottom fixedly connected with drive nut 6 of lifter plate, just 6 threaded connection of drive nut is on drive threaded rod 15, the equal fixedly connected with slider 16 in both ends about lifter plate 4, lifter plate 4 passes through 16 sliding connection of slider and leans on interior one side at fixed curb plate 1, adopts this kind of structure similar to lead screw drive, when driving motor 5 drives drive threaded rod 15 and rotates, drives drive nut 6 and lifter plate 4 and goes up and down, makes things convenient for test sample and 9 contacts of test probe to detect.
And the front side and the rear side of the lifting plate 4 are respectively provided with a second bearing 25, and the transmission shaft 22 is arranged on the lifting plate 4 through the second bearings 25.
The fixing mechanism 12 is fixedly connected to the inner side of the first fixing plate 17 and the inner side of the second fixing plate 18, the first fixing plate 17 and the second fixing plate 18 are both slidably connected to the sliding groove 14, the fixing mechanism 12 is composed of a bottom plate 21, a sliding clamping plate 20 and a spring 19, the bottom plate 21 is fixedly connected to the inner side of the first fixing plate 17 and the inner side of the second fixing plate 18, the sliding clamping plate 20 is slidably connected to the top of the bottom plate 21, the bottom plate 21 and the sliding clamping plate 20 are connected through the spring 19, when the handle 13 is rotated through rotation, the transmission shaft 22 rotates to drive the transmission gear 23 to rotate along with the transmission gear, so as to drive the spur rack 24 to mutually approach or keep away, so as to drive the fixing mechanisms 12 at the tops of the first fixing plate 17 and the second fixing plate 18 to mutually approach to clamp or keep away from the sample to loosen the sample, and play a certain buffering role in the sample fixing process through the sliding clamping plate 20 and the spring 19, the test sample is clamped and fixed quickly, and detection is convenient.
Referring to fig. 1-4, when a sample is detected, the sample is placed on the top of the lifting plate 4 and between the fixing mechanisms 12, the transmission gear 23 is rotated by rotating the rotating handle 13 to drive the spur rack 24 to approach each other, so that the fixing mechanisms 12 on the top of the first fixing plate 17 and the second fixing plate 18 are driven to approach each other to clamp the sample, the rotating handle 13 is continuously gripped when the sample is clamped, looseness of the fixing mechanisms 12 caused by collision in the detection process is prevented, the sample is buffered by the sliding clamping plate 20 and the spring 19, the transmission nut 6 and the lifting plate 4 are driven to ascend by rotation of the driving motor 5 until the sample contacts the detection probe 9, and a test signal is transmitted to the hardness detector body 3 to perform hardness test.
Example two
The structure of the transmission shaft 22 is further improved on the basis of the first embodiment.
The part of the transmission shaft 22 extending out of the lifting plate 4 is provided with a sliding chute, the part of the transmission shaft 22 extending out of the lifting plate 4 is connected with a limit gear 26 in a sliding way, and the front side surface of the lifting plate 4 is provided with a limit hole matched with the limit gear 26 in shape and size.
Referring to fig. 1-4, when the transmission shaft 22 is rotated by rotating the handle 13, the limit gear 26 slides to the outside of the limit hole, and after the sample is clamped by rotating the rotation shaft 22 by rotating the handle 13, the limit gear 26 slides to the inside of the limit hole to limit the rotation of the transmission shaft 22, so as to prevent the sample from being stressed to cause the displacement of the fixing mechanism 12 to cause a large error of the detection result in the detection process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a fixing device for hardness testing appearance, includes fixed curb plate (1), roof (2), hardness testing appearance body (3), its characterized in that: roof (2) fixed connection is between fixed curb plate (1), hardness detector body (3) fixed connection is at roof (2) top, fixed curb plate (1) bottom fixedly connected with motor mounting panel (7), sliding connection has lifter plate (4) between fixed curb plate (1), motor mounting panel (7) top fixedly connected with driving motor (5), driving motor (5) output end fixedly connected with drive threaded rod (15), drive threaded rod (15) run through lifter plate (4) and connect in roof (2) bottom, there is fixed establishment (12) at lifter plate (4) top through spout (14) sliding connection, it is connected with transmission shaft (22) to rotate on lifter plate (4), fixedly connected with drive gear (23) on transmission shaft (22), drive gear (23) top and bottom all mesh and are connected with spur rack (24), be located drive gear (23) top first fixed plate (17) of spur rack (24) top fixedly connected with is located drive gear (23) below spur rack (24) top fixedly connected with second fixed plate (18), transmission shaft (22) one end fixedly connected with rotates handle (13), just it sets up in lifter plate (4) outside to rotate handle (13).
2. The fixture for a hardness tester according to claim 1, wherein: roof (2) bottom fixedly connected with dead lever (8), dead lever (8) run through roof (2) and connect hardness detector body (3), dead lever (8) bottom fixedly connected with test probe (9), be provided with display screen (11) on hardness detector body (3) leading flank.
3. The fixture for a hardness tester according to claim 1, wherein: lifter plate (4) bottom fixedly connected with drive nut (6), just drive nut (6) threaded connection is on drive threaded rod (15), the equal fixedly connected with slider (16) in both ends about lifter plate (4), lifter plate (4) are through slider (16) sliding connection in the interior one side of leaning on of fixed curb plate (1).
4. The fixture for a hardness tester according to claim 1, wherein: lifter plate (4) set up between roof (2) and motor mounting panel (7), guiding hole (26) have been seted up on lifter plate (4), first bearing (10) are installed to roof (2) bottom, install in first bearing (10) on transmission threaded rod (15) top.
5. The fixture for a hardness tester according to claim 1, wherein: all install second bearing (25) on the front and back side of lifter plate (4), transmission shaft (22) are installed on lifter plate (4) through second bearing (25).
6. The fixture for a hardness tester according to claim 1, wherein: the fixing mechanism (12) is fixedly connected to the inner side of the first fixing plate (17) and the inner side of the second fixing plate (18), and the first fixing plate (17) and the second fixing plate (18) are connected to the sliding groove (14) in a sliding mode.
7. The fixture for a hardness tester according to claim 1, wherein: fixed establishment (12) comprise bottom plate (21), slip clamp plate (20), spring (19), bottom plate (21) fixed connection leans on interior one side on first fixed plate (17), second fixed plate (18), slip clamp plate (20) sliding connection is at bottom plate (21) top, connect through spring (19) between bottom plate (21), slip clamp plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122828625.5U CN216525139U (en) | 2021-11-18 | 2021-11-18 | Fixing device for hardness detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122828625.5U CN216525139U (en) | 2021-11-18 | 2021-11-18 | Fixing device for hardness detector |
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| Publication Number | Publication Date |
|---|---|
| CN216525139U true CN216525139U (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122828625.5U Active CN216525139U (en) | 2021-11-18 | 2021-11-18 | Fixing device for hardness detector |
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| CN (1) | CN216525139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116642672A (en) * | 2023-04-25 | 2023-08-25 | 广东宏博盛光电科技有限公司 | Automatic detection system for display screen |
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2021
- 2021-11-18 CN CN202122828625.5U patent/CN216525139U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116642672A (en) * | 2023-04-25 | 2023-08-25 | 广东宏博盛光电科技有限公司 | Automatic detection system for display screen |
| CN116642672B (en) * | 2023-04-25 | 2024-05-03 | 广东宏博盛光电科技有限公司 | Automatic detection system for display screen |
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