CN211043426U

CN211043426U - Torque and rotating speed testing device with small testing error

Info

Publication number: CN211043426U
Application number: CN201922330914.5U
Authority: CN
Inventors: 朱明�; 焦清新; 殷金旗
Original assignee: Hangzhou Zhihai Heda Technology Co ltd
Current assignee: Hangzhou Zhihai Heda Technology Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-07-17
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a torque and rotation speed testing device that testing error is little, including placing piece, test motor, output shaft, connecting block, photoelectricity speed sensor and display screen, the rear end surface of placing the piece is run through by the hand wheel, and the terminal fixedly connected with screw rod of hand wheel to the terminal fixedly connected with fixed column of screw rod, the surface of screw rod is connected with the cylinder piece, and the fixed supporting shoe that is provided with in top surface of cylinder piece, the supporting shoe runs through the surface of placing the piece, and the terminal fixedly connected with grip block of supporting shoe, the surface of grip block is connected with test motor. This torque rotational speed testing arrangement that test error is little, accessible swivel bolt make the grip block slide, through rubber materials can carry out the centre gripping to the motor of different models to elasticity and toughness through rubber materials reduce the produced vibrations of motor, prevent because vibrations increase test error, reach the reduction of test error.

Description

Torque and rotating speed testing device with small testing error

Technical Field

The utility model relates to a testing arrangement technical field specifically is torque and rotation speed testing arrangement that testing error is little.

Background

The testing device is a device capable of testing the performance of equipment such as machinery, and the torque and rotation speed testing device is a device for obtaining torque and rotation speed data by testing rotation speed, but the torque and rotation speed testing device has some disadvantages:

firstly, as mentioned above, the torque and rotation speed testing device can test the rotation speed of the equipment, but because the equipment can generate vibration during operation and the models of each equipment are different, the calibration of the central point of the shaft is troublesome and the testing error is large;

secondly, as mentioned above, the models of each device are different, the sizes of shafts are also different, and the universal torque and rotation speed testing device is not convenient to fix according to the shafts with different sizes.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a torque and rotation speed testing device with small testing error, which aims to solve the problem of larger testing error in the background technology; the adjustment is not convenient to be made according to the size of the equipment.

In order to achieve the above object, the utility model provides a following technical scheme: the torque and rotation speed testing device with small testing error comprises a placing block, a testing motor, an output shaft, a connecting block, a photoelectric rotation speed sensor and a display screen, wherein the rear end surface of the placing block is penetrated through by a hand wheel, the tail end of the hand wheel is fixedly connected with a screw rod, the tail end of the screw rod is fixedly connected with a fixing column, the outer surface of the screw rod is connected with a cylindrical block, the top surface of the cylindrical block is fixedly provided with a supporting rod, the supporting rod penetrates through the outer surface of the placing block, the tail end of the supporting rod is fixedly connected with a clamping block, the outer surface of the clamping block is connected with the testing motor, the testing motor is placed on the upper surface of the placing block, the output shaft is installed at the output end of the testing motor, the top surface of the output shaft is fixedly provided with a convex block, the output shaft and, the dead lever runs through the internal surface of connecting block, and the end of dead lever fixedly connected with block piece and circular arc piece respectively, the right side fixed surface of connecting block is connected with the driven shaft, and the driven shaft runs through the left surface of fixed block to the end fixedly connected with flywheel of driven shaft, the flywheel runs through the upper surface of fixed block, and the internal surface fixed of fixed block is provided with photoelectric speed sensor, photoelectric speed sensor output is connected with the display screen, and the display screen setting is on the top surface of fixed block, the lower surface of fixed block is run through by the supporting shoe, and the fixed upper surface that sets up at the bottom plate of supporting shoe to the right side surface of bottom plate and fixed block is run through.

Preferably, the hand wheel and the fixing column form a rotating structure together with the placing block, the placing block forms a sliding structure together with the clamping block and the cylindrical block respectively, and the clamping block is made of rubber materials.

Preferably, the screws are symmetrically distributed about the side-view longitudinal center line of the fixed column, and the screws are in meshed connection with the cylindrical block.

Preferably, the connecting block and the bolt are in threaded connection, the bolt is distributed at equal angles relative to the center point of the connecting block, the bolt and the fixing rod form a rotating structure, and meanwhile, the fixing rod and the connecting block form a sliding structure.

Preferably, the driven shaft and the flywheel and the fixed block form a rotating structure, and the flywheel is positioned right above the input end of the photoelectric rotating speed sensor.

Preferably, the supporting blocks and the gaskets form a sliding structure with the fixed blocks, and the gaskets are distributed at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that: the torque and rotating speed testing device with small testing error,

1. the clamping block can slide by rotating the bolt, motors of different models can be clamped by the rubber material, vibration generated by the motors is reduced by the elasticity and toughness of the rubber material, the test error is prevented from being increased by vibration, and the test error is reduced;

2. the convex blocks are arranged on the common output shafts, so that the arc blocks can be clamped with the convex blocks through locking the bolts, and the clamping blocks are attached to the outer surfaces of the output shafts, so that the clamping effect is achieved, and the universal output shafts can be conveniently used according to output shafts with different sizes;

3. simultaneously, the accessible adds common gasket on the market for the height of fixed block and driven shaft can promote, is convenient for correspond the central point of output shaft, more is favorable to reducing the test error.

Drawings

FIG. 1 is a schematic overall front sectional view of the present invention;

FIG. 2 is a schematic view of the overall top view structure of the present invention;

FIG. 3 is a schematic side sectional view of the placement block of the present invention;

FIG. 4 is a schematic side view of the fixing block of the present invention;

fig. 5 is a schematic side sectional view of the connection block of the present invention.

In the figure: 1. placing the block; 2. a hand wheel; 3. a screw; 4. fixing a column; 5. a cylindrical block; 6. a support bar; 7. a clamping block; 8. testing the motor; 9. an output shaft; 10. a bump; 11. connecting blocks; 12. a bolt; 13. fixing the rod; 14. a clamping block; 15. an arc block; 16. a driven shaft; 17. a fixed block; 18. a flywheel; 19. a photoelectric rotation speed sensor; 20. a display screen; 21. a support block; 22. a base plate; 23. and (7) a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the torque and rotation speed testing device with small testing error comprises a placing block 1, a hand wheel 2, a screw rod 3, a fixing column 4, a cylindrical block 5, a supporting rod 6, a clamping block 7, a testing motor 8, an output shaft 9, a convex block 10, a connecting block 11, a bolt 12, a fixing rod 13, a clamping block 14, an arc block 15, a driven shaft 16, a fixing block 17, a flywheel 18, a photoelectric rotation speed sensor 19, a display screen 20, a supporting block 21, a bottom plate 22 and a gasket 23, wherein the rear end surface of the placing block 1 is penetrated through by the hand wheel 2, the tail end of the hand wheel 2 is fixedly connected with the screw rod 3, the tail end of the screw rod 3 is fixedly connected with the fixing column 4, the outer surface of the screw rod 3 is connected with the cylindrical block 5, the top surface of the cylindrical block 5 is fixedly provided with the supporting rod 6, the supporting rod 6 penetrates through the outer, the testing motor 8 is placed on the upper surface of the placing block 1, an output shaft 9 is installed at the output end of the testing motor 8, a convex block 10 is fixedly arranged on the top surface of the output shaft 9, the output shaft 9 and the convex block 10 both penetrate through the left side surface of the connecting block 11, the outer surface of the connecting block 11 is penetrated through by a bolt 12, the tail end of the bolt 12 is connected with a fixing rod 13, the fixing rod 13 penetrates through the inner surface of the connecting block 11, the tail end of the fixing rod 13 is respectively fixedly connected with a clamping block 14 and an arc block 15, the right side surface of the connecting block 11 is fixedly connected with a driven shaft 16, the driven shaft 16 penetrates through the left side surface of the fixing block 17, the tail end of the driven shaft 16 is fixedly connected with a flywheel 18, the flywheel 18 penetrates through the upper surface of the fixing block 17, a photoelectric rotating speed sensor 19 is fixedly, the lower surface of the fixing block 17 is penetrated by a supporting block 21, and the supporting block 21 is fixedly provided on the upper surface of the bottom plate 22, and the right side surfaces of the bottom plate 22 and the fixing block 17 are penetrated by a spacer 23.

Hand wheel 2 and fixed column 4 all constitute rotating-structure with putting 1 piece, and put 1 piece and constitute sliding structure with grip block 7 and cylinder piece 5 respectively, and grip block 7 is rubber materials, and when rotatory hand wheel 2, grip block 7 can produce to slide and carry out the centre gripping to test motor 8, and self elasticity and pliability through rubber materials, can carry out effectual weakening to vibrations when test motor 8 function produces vibrations, reduce the test error that vibrations produced.

The screw rods 3 are symmetrically distributed about the longitudinal center line of the side view of the fixed column 4, the screw rods 3 are meshed with the cylindrical blocks 5, and the screw rods 3 are meshed with the cylindrical blocks 5 when rotating, so that the cylindrical blocks 5 can slide.

The connecting block 11 and the bolt 12 are in threaded connection, the bolt 12 is distributed at equal angles about the central point of the connecting block 11, the bolt 12 and the fixing rod 13 form a rotating structure, meanwhile, the fixing rod 13 and the connecting block 11 form a sliding structure, when the bolt 12 is screwed, the bolt 12 can extrude the fixing rod 13, and the fixing rod 13 can clamp the output shaft 9 through the clamping block 14 and the arc block 15.

The driven shaft 16 and the flywheel 18 and the fixed block 17 form a rotating structure, the flywheel 18 is positioned right above the input end of the photoelectric rotating speed sensor 19, and when the driven shaft 16 drives the flywheel 18 to rotate, the rotating speed of the flywheel 18 can be tested through the photoelectric rotating speed sensor 19.

Supporting shoe 21 and gasket 23 all constitute sliding construction with fixed block 17, and gasket 23 is equidistant distribution, and when filling in gasket 23, gasket 23 can extrude fixed block 17 for fixed block 17 passes through supporting shoe 21 and upwards slides, reaches the effect of improving the height.

The working principle is as follows: when the torque and rotation speed testing device with small testing error is used, after the device is connected with an external power supply, according to the drawing 1, the drawing 2 and the drawing 3, firstly, the testing motor 8 is placed on the placing block 1, the hand wheel 2 is rotated, the hand wheel 2 drives the screw rod 3 to rotate through the fixing column 4 to be meshed with the cylindrical block 5, the cylindrical block 5 can drive the supporting rod 6 to slide when being meshed, the clamping block 7 clamps the testing motor 8 through the sliding of the supporting rod 6, the testing motor 8 is prevented from generating displacement when in operation, the effect of clamping the testing motors 8 with different models and sizes can be achieved through the structure, and under the action of the clamping block 7 made of the rubber material, the vibration generated when the testing motor 8 is operated can be reduced through the elasticity and the flexibility of the rubber material, and the large testing error caused by the vibration of the testing motor 8 is prevented;

when the testing motor 8 is fixed, according to the figures 1, 2, 4 and 5, because the flywheel 18, the photoelectric rotation speed sensor 19, the display screen 20 and the gasket 23 are all common devices on the market, the SZGB-6 type photoelectric rotation speed sensor 19 can be used with the display screen 20 of XJP-10B and the like, firstly, the gasket 23 is plugged according to the height of the central point of the output shaft 9, the fixing block 17 can slide upwards under the action of the supporting block 21 on the bottom plate 22 by plugging the gasket 23, the central point of the output shaft 9 corresponds to the central point of the connecting block 11, the measuring error is reduced, then, the output shaft 9 is plugged into the connecting block 11, the bolt 12 is screwed, the bolt 12 can extrude the fixing rod 13 while rotating, the fixing rod 13 can push the clamping block 14 and the arc block 15 to slide, the convex block 10 on the output shaft 9 is clamped by the arc block 15, and then the clamping block 14 is tightly attached to the outer surface of the output, when the output shaft 9 rotates, the connecting block 11 is driven to rotate through the clamping block 14 and the arc block 15, so that the connecting block 11 drives the flywheel 18 to rotate through the driven shaft 16, the rotating speed of the flywheel 18 is recorded by the photoelectric rotating speed sensor 19 and converted into an electric signal to be transmitted to the display screen 20, the data of the torque rotating speed is displayed through the display screen 20, and the overall practicability is improved.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Torque rotational speed testing arrangement that test error is little, including putting block (1), test motor (8), output shaft (9), connecting block (11), photoelectric speed sensor (19) and display screen (20), its characterized in that: the rear end surface of the placement block (1) is penetrated by a hand wheel (2), the tail end of the hand wheel (2) is fixedly connected with a screw rod (3), the tail end of the screw rod (3) is fixedly connected with a fixing column (4), the outer surface of the screw rod (3) is connected with a cylindrical block (5), the top surface of the cylindrical block (5) is fixedly provided with a supporting rod (6), the supporting rod (6) penetrates through the outer surface of the placement block (1), the tail end of the supporting rod (6) is fixedly connected with a clamping block (7), the outer surface of the clamping block (7) is connected with a test motor (8), the test motor (8) is placed on the upper surface of the placement block (1), an output shaft (9) is installed at the output end of the test motor (8), a convex block (10) is fixedly arranged on the top surface of the output shaft (9), and the output shaft (9) and the convex block (10, the outer surface of the connecting block (11) is penetrated through by a bolt (12), the tail end of the bolt (12) is connected with a fixing rod (13), the fixing rod (13) penetrates through the inner surface of the connecting block (11), the tail end of the fixing rod (13) is respectively fixedly connected with a clamping block (14) and an arc block (15), the right side surface of the connecting block (11) is fixedly connected with a driven shaft (16), the driven shaft (16) penetrates through the left side surface of a fixing block (17), the tail end of the driven shaft (16) is fixedly connected with a flywheel (18), the flywheel (18) penetrates through the upper surface of the fixing block (17), the inner surface of the fixing block (17) is fixedly provided with a photoelectric rotating speed sensor (19), the output end of the photoelectric rotating speed sensor (19) is connected with a display screen (20), the display screen (20) is arranged on the top surface of the fixing block (17), and the lower surface, and the supporting block (21) is fixedly arranged on the upper surface of the bottom plate (22), and the right side surfaces of the bottom plate (22) and the fixed block (17) are penetrated by a gasket (23).

2. The torque and rotation speed testing device with small testing error according to claim 1, characterized in that: the hand wheel (2) and the fixing column (4) form a rotating structure with the placing block (1), the placing block (1) forms a sliding structure with the clamping block (7) and the cylindrical block (5) respectively, and the clamping block (7) is made of rubber materials.

3. The torque and rotation speed testing device with small testing error according to claim 1, characterized in that: the screw rods (3) are symmetrically distributed relative to the longitudinal center line of the side surface of the fixed column (4), and the screw rods (3) are connected with the cylindrical block (5) in a meshed mode.

4. The torque and rotation speed testing device with small testing error according to claim 1, characterized in that: connecting block (11) and bolt (12) are threaded connection, and bolt (12) are the distribution of equidistance about the central point of connecting block (11), and bolt (12) and dead lever (13) constitute rotating-structure, and dead lever (13) and connecting block (11) constitute sliding construction simultaneously.

5. The torque and rotation speed testing device with small testing error according to claim 1, characterized in that: the driven shaft (16) and the flywheel (18) and the fixed block (17) form a rotating structure, and the flywheel (18) is positioned right above the input end of the photoelectric rotating speed sensor (19).

6. The torque and rotation speed testing device with small testing error according to claim 1, characterized in that: the supporting blocks (21) and the gaskets (23) form a sliding structure with the fixed blocks (17), and the gaskets (23) are distributed at equal intervals.