Linear motor performance testing device

Abstract

The invention provides a linear motor performance testing device, and relates to the field of linear motors. The linear motor performance testing device comprises a supporting plate, the upper side wall of the supporting plate is fixedly connected with an elastic supporting pad, the upper side wall of the elastic supporting pad is fixedly connected with a fixing table, the front side wall of the fixing table is rotatably connected with a rotating sleeve, and the rear side wall of the rotating sleeve is fixedly connected with a rotating rod. The outer side wall of the rotating rod is in threaded connection with two threaded sleeves, and the outer side wall of each threaded sleeve is fixedly connected with a first sliding seat; a worm gear is fixedly connected to the middle of the rotating rod, the rotating rod is connected with a worm in a meshed mode through the worm gear, a transmission rod is fixed to the middle of the worm, and second sliding seats are in threaded connection with the two ends of the transmission rod. And through the use of the transmission rod, the rotating rod, the first sliding seat and the second sliding seat, the linear motor is moved to the dead center of the fixed table, so that the accuracy of the device for detecting the performance of the linear motor is improved.

Description

Technical Field

[0001] The invention relates to the technical field of linear motors, and in particular to a linear motor performance testing device. Background Art

[0002] A linear motor is a transmission device that converts electrical energy directly into linear motion mechanical energy without the need for any intermediate conversion mechanism. A linear motor can be regarded as a rotary motor that is radially cut and unfolded into a plane. Both linear motors and rotary motors include a stator (also called primary) and a mover (also called secondary).

[0003] With the expansion of current market demand, the types of motors have also increased. Now a linear motor has appeared on the market, and users need to use a testing device to test the operation of the linear motor.

[0004] Chinese patent CN112394203A proposes a linear motor performance test device and test method, which can firmly clamp the linear motor body around to avoid displacement shaking during the test of the linear motor body, resulting in large errors in its test data. Through the cooperation of the slide rod, sleeve, connecting seat, mobile frame, teeth, stepper motor, gear and connecting rod, the test seat can be driven to move left and right to adjust the noise sensor and temperature sensor and the linear motor body. However, the device fixes the linear motor with a threaded rod and cannot accurately locate the position of the linear motor, resulting in large errors in the performance test of the linear motor. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the present invention provides a linear motor performance testing device, which solves the problem that the prior testing device cannot accurately position the linear motor, resulting in large errors in the linear motor performance testing.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a linear motor performance testing device, comprising a support plate, an upper side wall of the support plate is fixedly connected to an elastic support pad, an upper side wall of the elastic support pad is fixedly connected to a fixed platform, a front side wall of the fixed platform is rotatably connected to a rotating sleeve, a rear side wall of the rotating sleeve is fixedly connected to a rotating rod, an outer side wall of the rotating rod is threadedly connected to two threaded sleeves, an outer side wall of each threaded sleeve is fixedly connected to a first sliding seat, an upper side wall of the first sliding seat is provided with a sliding groove, a guide rod is fixedly connected inside the sliding groove, a sliding block is slidably connected to the outer side wall of the guide rod, a first clamping plate is fixedly connected to the upper side wall of the sliding block, and a return spring is provided on the outer side wall of the guide rod;

[0009] A worm wheel is fixedly connected to the middle of the rotating rod, and the rotating rod is meshedly connected to a worm through the worm wheel. A transmission rod is fixed to the middle of the worm, and both ends of the transmission rod are threadedly connected to a second sliding seat, and a second clamping plate is fixedly connected to the upper side wall of the second sliding seat;

[0010] A support frame is fixedly connected to the upper side wall of the support plate and close to the left side, a support top plate is fixedly connected to the upper side wall of the support frame, an electric push rod is fixedly connected to the upper side wall of the support top plate, two groups of infrared receiving components are fixedly connected to the right side wall of the support frame, and two groups of infrared emitting components are fixedly connected to the left side wall of the fixed platform, and the infrared emitting components cooperate with the infrared receiving components.

[0011] Preferably, a detection display screen is provided on the left side wall of the support frame for controlling the operation of each electrical component in the control device and displaying the detected parameters, and a connecting slot is provided on the right side wall of the support frame for connecting the detection display screen to the linear motor via a connecting line.

[0012] Preferably, the lower side wall of the support plate is fixedly connected with four telescopic legs to support the device, the outer side walls of the telescopic legs are fixedly connected with the support side plates, the upper side walls of the support side plates are fixedly connected with an electric cylinder, and the output end of the electric cylinder is fixedly connected to the lower side wall of the support plate to facilitate adjustment of the height of the device.

[0013] Preferably, the upper side wall of the fixing platform is provided with two first matching grooves, the first matching grooves are slidably connected to the first clamping plate, and the inner side wall of the first clamping plate is fixedly connected with a first elastic pad to improve the clamping effect of the first clamping plate.

[0014] Preferably, the upper side wall of the fixing platform is provided with two second matching grooves, the second matching grooves are slidably connected to the second clamping plate, and the inner side wall of the second clamping plate is fixedly connected with a second elastic pad to improve the clamping effect of the first clamping plate.

[0015] Preferably, the front side wall of the rotating sleeve is provided with a hexagonal inner groove to facilitate rotation through the outer hexagonal protrusion.

[0016] Preferably, the two first clamping plates are symmetrical about the rotating rod, the two second clamping plates are symmetrical about the transmission rod, the thread directions of the two threaded sleeves are opposite, and the thread directions of the two second sliding seats are opposite.

[0017] Preferably, a connecting plate is fixedly connected to the lower end of the electric push rod, and a noise sensor and an infrared temperature detection component are fixedly connected to the lower side wall of the connecting plate for detecting the noise and temperature of the linear motor.

[0018] Working principle: When the device is used, first, place the linear motor on the fixed platform, and use the hexagonal wrench to drive the rotating sleeve 3 to rotate. When the rotating sleeve 3 rotates, it can drive the rotating rod 302 to rotate. The rotating rod 302 can drive the transmission rod 7 to rotate through the worm gear 303 and the worm 701. When the rotating rod 302 rotates, it can drive the two first sliding seats 6 to move inward. When the transmission rod 7 rotates, it can drive the two second sliding seats 8 to move inward, and then fix the linear motor to the center of the upper side wall of the fixed platform 2 through the first clamping plate 602 and the second clamping plate 801. Then, the motor is connected to the connection slot through a connecting line, and each detection component in the control device is operated by detecting the display screen 404. The noise sensor 502 can detect the noise generated when the linear motor is working, and the infrared temperature detection component 503 can detect the temperature of the linear motor when it is working. The infrared transmitting component 201 can emit infrared rays to the infrared receiving component 403, and the infrared receiving component 403 can detect the amplitude of infrared ray shaking, so as to detect the amplitude of the linear motor. Finally, the performance parameters of the linear motor are observed by detecting the display screen 404.

[0019] (III) Beneficial effects

[0020] The present invention provides a linear motor performance testing device, which has the following beneficial effects:

[0021] 1. The device is provided with a transmission rod, a rotating rod, a first sliding seat and a second sliding seat. When the rotating rod rotates, it can drive the first sliding seat and the second sliding seat to move inward at the same time, clamp the linear motor, and move the linear motor to the center of the fixed platform, thereby improving the accuracy of the device in detecting the performance of the linear motor.

[0022] 2. The device is provided with a first clamping plate, a second clamping plate, a guide rod and a reset spring. The two first clamping plates can be relatively displaced with the first sliding seat during the synchronous movement with the second clamping plate, so that linear motors of different models and sizes can be fixed, which can effectively improve the application scope of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a front schematic diagram of the present invention;

[0025] Figure 3 It is a schematic diagram of the interior of the fixing platform of the present invention;

[0026] Figure 4 It is the left schematic diagram of the present invention;

[0027] Figure 5 It is a right schematic diagram of the present invention;

[0028] Figure 6 It is an internal schematic diagram of the present invention.

[0029] Among them, 1. support plate; 101. telescopic leg; 102. support side plate; 103. electric cylinder; 104. elastic support pad; 2. fixed platform; 201. infrared emitting assembly; 3. rotating sleeve; 301. hexagonal inner groove; 302. rotating rod; 303. worm gear; 4. support frame; 401. connecting slot; 402. support top plate; 403. infrared receiving assembly; 404. detection display screen; 5. electric push rod; 501. connecting plate; 502. noise sensor; 503. infrared temperature detection assembly; 6. first sliding seat; 601. sliding block; 602. first clamping plate; 603. first elastic pad; 604. guide rod; 605. reset spring; 606. threaded sleeve; 7. transmission rod; 701. worm; 8. second sliding seat; 801. second clamping plate; 802. second elastic pad. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Example:

[0032] like Figure 1-6As shown, an embodiment of the present invention provides a linear motor performance test device, including a support plate 1, the lower side wall of the support plate 1 is fixedly connected with four telescopic legs 101 to support the device, the outer side wall of the telescopic leg 101 is fixedly connected with a support side plate 102, the upper side wall of the support side plate 102 is fixedly connected with an electric cylinder 103, the output end of the electric cylinder 103 is fixedly connected to the lower side wall of the support plate 1, so as to facilitate the height adjustment of the device, the upper side wall of the support plate 1 is fixedly connected with an elastic support pad 104, the upper side wall of the elastic support pad 104 is fixedly connected with a fixed platform 2, the front side wall of the fixed platform 2 is rotatably connected with a rotating sleeve 3, the rear side wall of the rotating sleeve 3 is fixedly connected with a rotating rod 302, and the outer side wall of the rotating rod 302 is threadedly connected with Two threaded sleeves 606, the outer side wall of each threaded sleeve 606 is fixedly connected with the first sliding seat 6, the upper side wall of the first sliding seat 6 is provided with a sliding groove, the inside of the sliding groove is fixedly connected with a guide rod 604, the outer side wall of the guide rod 604 is slidably connected with a sliding block 601, the upper side wall of the sliding block 601 is fixedly connected with a first clamping plate 602, the outer side wall of the guide rod 604 is provided with a return spring 605, the upper side wall of the fixed platform 2 is provided with two first matching grooves, the first matching groove and the first clamping plate 602 are slidably connected, the inner side wall of the first clamping plate 602 is fixedly connected with a first elastic pad 603, improves the clamping effect of the first clamping plate 602, the front side wall of the rotating sleeve 3 is provided with a hexagonal inner groove 301, which is convenient for rotation through the external hexagonal convexity.

[0033] A worm wheel 303 is fixedly connected to the middle part of the rotating rod 302, and the rotating rod 302 is meshed with a worm 701 through the worm wheel 303. A transmission rod 7 is fixed to the middle part of the worm 701, and second sliding seats 8 are threadedly connected to both ends of the transmission rod 7. A second clamping plate 801 is fixedly connected to the upper side wall of the second sliding seat 8. Two second matching grooves are provided on the upper side wall of the fixed platform 2. The second matching grooves and the second clamping plate 801 are slidably connected. A second elastic pad 802 is fixedly connected to the inner side wall of the second clamping plate 801 to improve the clamping effect of the first clamping plate 802. A hexagonal inner groove 301 is provided on the front side wall of the rotating sleeve 3 to facilitate rotation through the external hexagonal convexity.

[0034] A support frame 4 is fixedly connected to the upper side wall of the support plate 1 and close to the left side. A support top plate 402 is fixedly connected to the upper side wall of the support frame 4. An electric push rod 5 is fixedly connected to the upper side wall of the support top plate 402. Two groups of infrared receiving components 403 are fixedly connected to the right side wall of the support frame 4. Two groups of infrared emitting components 201 are fixedly connected to the left side wall of the fixed platform 2. The infrared emitting components 201 cooperate with the infrared receiving components 403. A detection display screen 404 is provided on the left side wall of the support frame 4 for controlling the operation of each electrical component in the control device and displaying the detected parameters. A connecting slot 401 is provided on the right side wall of the support frame 4 for connecting the detection display screen 404 to the linear motor through a connecting line. A connecting plate 501 is fixedly connected to the lower end of the electric push rod 5. A noise sensor 502 and an infrared temperature detection component 503 are fixedly connected to the lower side wall of the connecting plate 501 for detecting the noise and temperature of the linear motor.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A linear motor performance testing device, comprising a support plate (1), characterized in that: The upper side wall of the support plate (1) is fixedly connected with an elastic support pad (104), the upper side wall of the elastic support pad (104) is fixedly connected with a fixed platform (2), the front side wall of the fixed platform (2) is rotatably connected with a rotating sleeve (3), the rear side wall of the rotating sleeve (3) is fixedly connected with a rotating rod (302), the outer side wall of the rotating rod (302) is threadedly connected with two threaded sleeves (606), the outer side wall of each threaded sleeve (606) is fixedly connected with a first sliding seat (6), the upper side wall of the first sliding seat (6) is provided with a sliding groove, the interior of the sliding groove is fixedly connected with a guide rod (604), the outer side wall of the guide rod (604) is slidably connected with a sliding block (601), the upper side wall of the sliding block (601) is fixedly connected with a first clamping plate (602), and the outer side wall of the guide rod (604) is provided with a reset spring (605); The middle part of the rotating rod (302) is fixedly connected to a worm wheel (303), the rotating rod (302) is meshedly connected to a worm (701) via the worm wheel (303), a transmission rod (7) is fixedly connected to the middle part of the worm (701), both ends of the transmission rod (7) are threadedly connected to a second sliding seat (8), and the upper side wall of the second sliding seat (8) is fixedly connected to a second clamping plate (801); A support frame (4) is fixedly connected to the upper side wall of the support plate (1) and close to the left side; a support top plate (402) is fixedly connected to the upper side wall of the support frame (4); an electric push rod (5) is fixedly connected to the upper side wall of the support top plate (402); two groups of infrared receiving components (403) are fixedly connected to the right side wall of the support frame (4); two groups of infrared emitting components (201) are fixedly connected to the left side wall of the fixed platform (2); and the infrared emitting components (201) cooperate with the infrared receiving components (403).

2. A linear motor performance testing device according to claim 1, characterized in that: A detection display screen (404) is provided on the left side wall of the support frame (4), and a connection slot (401) is provided on the right side wall of the support frame (4).

3. A linear motor performance testing device according to claim 1, characterized in that: Four telescopic legs (101) are fixedly connected to the lower side wall of the support plate (1), the outer side walls of the telescopic legs (101) are fixedly connected to the support side plate (102), the upper side wall of the support side plate (102) is fixedly connected to the electric cylinder (103), and the output end of the electric cylinder (103) is fixedly connected to the lower side wall of the support plate (1).

4. A linear motor performance testing device according to claim 1, characterized in that: The upper side wall of the fixing platform (2) is provided with two first matching grooves, the first matching grooves are slidably connected to the first clamping plate (602), and the inner side wall of the first clamping plate (602) is fixedly connected with a first elastic pad (603).

5. A linear motor performance testing device according to claim 1, characterized in that: The upper side wall of the fixing platform (2) is provided with two second matching grooves, the second matching grooves are slidably connected to the second clamping plate (801), and the inner side wall of the second clamping plate (801) is fixedly connected with a second elastic pad (802).

6. A linear motor performance testing device according to claim 1, characterized in that: The front side wall of the rotating sleeve (3) is provided with a hexagonal inner groove (301).

7. A linear motor performance testing device according to claim 1, characterized in that: The two first clamping plates (602) are symmetrical about the rotating rod (302), the two second clamping plates (801) are symmetrical about the transmission rod (7), the thread directions of the two threaded sleeves (606) are opposite, and the thread directions of the two second sliding seats (8) are opposite.

8. A linear motor performance testing device according to claim 1, characterized in that: The lower end of the electric push rod (5) is fixedly connected to a connecting plate (501), and the lower side wall of the connecting plate (501) is fixedly connected to a noise sensor (502) and an infrared temperature detection component (503).

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