CN221707181U - Manual torsion test device - Google Patents

Abstract

The utility model discloses a manual torsion test device, including a support table, wherein the upper edge of the support table is longitudinally connected with a second bottom connecting plate and a first bottom connecting plate, and a torque loading part and a torque measuring part are longitudinally installed on the upper edge of the support table, wherein the torque loading device is composed of a reducer, a hand wheel, a screw, a second left support plate, a first right support plate, a torsion shaft, a first key and a hexagonal wrench, and the torque measuring part is composed of a measuring shaft, a bearing seat, a bearing body, a first left support plate, a second right support plate, a lever arm, a pin shaft, a support, a joint bearing with a screw, a load sensor, a connecting seat and a fixing plate. In the utility model, torque can be continuously applied to the torsion specimen by manually rotating the input shaft of the reducer, and the torsion specimens of different lengths can be adapted by sliding the torsion shaft, and the torque size is obtained by multiplying the lever arm force arm by the force applied to the load sensor, and the device can accurately obtain the torque at different torsion angles.

Description

A manual torsion test device

Technical Field

The utility model relates to the technical field of material torsion performance detection, in particular to a manual torsion test device.

Background Art

In practical engineering applications, when torque transmission is often involved, it is necessary to know the torsional characteristics of the material used. Therefore, a torsional test device is needed to test the torsional performance of the material.

The Chinese patent with the patent publication number CN207215610U discloses a torsion performance detection device, including a base, a bearing seat, a turntable, a first hydraulic cylinder and a second hydraulic cylinder; the upper end surface of the base is provided with a slide rail and a hydraulic cylinder fixing plate, the bearing seat is located on the side of the upper end surface of the base close to the hydraulic cylinder fixing plate, the bearing seat is provided with a hole penetrating the center position of the turntable, the top of the turntable is provided with a first fixing rod, a bearing sleeve is provided in the hole on the bearing seat, the bearing seat is provided with an arc groove on the side close to the hydraulic cylinder fixing plate, the number of the arc grooves is two and symmetrical about the center of the turntable, the piston rod of the first hydraulic cylinder and the piston rod of the second hydraulic cylinder are connected to the turntable through a joint bearing. The utility model has a simple structure, low cost, and no need to send the workpiece to be tested to the laboratory for testing, eliminating the transportation cost, thereby improving the revenue efficiency of the enterprise.

The existing torsion test device cannot perform continuous torque test and cannot detect patterns of different lengths. In order to overcome these disadvantages, the utility model provides a manual torsion test device.

Utility Model Content

The utility model aims to solve the shortcomings in the prior art and proposes a manual torsion test device.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a manual torsion test device, comprising a support table, a second bottom connecting plate and a first bottom connecting plate are connected to the upper longitudinal edge of the support table, a torque loading part and a torque measuring part are installed on the upper longitudinal edge of the support table, the torque loading part is composed of a reducer, a hand wheel, a screw, a second left supporting plate, a first right supporting plate, a torsion shaft, a first key and a hexagonal wrench, the second left supporting plate and the first right supporting plate are installed on the two side surfaces of the upper end of the second bottom connecting plate respectively, the left and right sides of the reducer are connected to the first right supporting plate through the second left supporting plate and the first right supporting plate The two bottom connecting plates are fixed on the left and right sides by screws, and the torque measuring part is composed of a measuring shaft, a bearing seat, a bearing body, a first left support plate, a second right support plate, a lever arm, a pin shaft, a pillar, a joint bearing with a screw, a load sensor, a connecting seat and a fixed plate. The first left support plate and the second right support plate are installed on the left and right sides of the upper end of the first bottom connecting plate, and a pull rod is fixedly connected to the outer side of the first left support plate and the second right support plate. The bearing seat is installed on the upper part of the first left support plate and the second right support plate, and the bearing body is installed inside the bearing seat, and both ends of the measuring shaft are supported by the bearing body.

Furthermore, the support platform is constructed of aluminum alloy profiles to form an I-shaped structure.

Furthermore, the reducer has a dual input shaft structure, with a handwheel and an encoder seat respectively installed at both ends of its input shaft, an angle encoder body is fixedly connected to the encoder seat, and a second key is provided between the handwheel and the input shaft of the reducer.

Furthermore, a boss is provided in the middle of the measuring shaft, and lever arms are installed on both sides of the middle boss of the measuring shaft. The far end of the lever arm is connected to the load sensor through a pin shaft and a spherical bearing with a screw.

Furthermore, the lower end of the load sensor is connected to a connecting seat, the connecting seat is mounted on a fixing plate, and the other end of the fixing plate is connected to the bottom of the supporting platform.

Furthermore, a torsion shaft is installed in the output hole of the reducer and is slidably connected via a first key, and the axis of the torsion shaft is coaxial with the axis of the measuring shaft.

Furthermore, the left end of the measuring shaft and the right end of the torsion shaft are both connected with hexagonal wrenches, and torsion specimens are installed in the hexagonal holes of the left and right wrenches.

Furthermore, the four corners of the lower end of the support platform are fixedly connected with supporting feet, and the upper ends of the first right support plate and the first left support plate are provided with wind shield plates.

Beneficial effects of the utility model:

When the utility model is in use, the manual torsion test device can continuously apply torque to the torsion specimen by manually rotating the reducer input shaft. The torsion specimens of different lengths can be adapted by sliding the torsion shaft. The torque size is obtained by multiplying the lever arm force arm by the force applied to the load sensor. The device can accurately obtain the torque at different torsion angles.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solution of the present invention, the following is a brief introduction to the drawings required for use in the description of the specific implementation methods. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

Figure 1: front view of the utility model;

Figure 2: A top view of the present invention;

Figure 3: side view of the utility model;

Figure 4: A cross-sectional view of the present invention.

The reference numerals are as follows:

1. Support foot; 2. Support table; 3. Hand wheel; 4. Reducer; 5. First right support plate; 6. Wind shield plate; 7. First left support plate; 8. Screw; 9. Measuring shaft; 10. Second right support plate; 11. First bottom connecting plate; 12. Bearing seat; 13. Bearing body; 14. Torsion test specimen; 15. Wrench; 16. Torsion shaft; 17. First key; 18. Second bottom connecting wrench; 19. Second left support plate; 20. Encoder body; 21. Encoder seat; 22. Lever arm; 23. Pin; 24. Pillar; 25. Pull rod; 26. Second key; 27. Spherical bearing with screw; 28. Load sensor; 29. Connecting seat; 30. Fixing plate.

DETAILED DESCRIPTION

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

As shown in Figures 1-4, a manual torsion test device is disclosed, including a support platform 2, a second bottom connecting plate 18 and a first bottom connecting plate 11 are longitudinally connected to the support platform 2, a torque loading part and a torque measuring part are longitudinally installed on the support platform 2, the torque loading part is composed of a reducer 4, a handwheel 3, a screw 8, a second left supporting plate 19, a first right supporting plate 5, a torsion shaft 16, a first key 17 and a hexagonal wrench 15, the second left supporting plate 19 and the first right supporting plate 5 are respectively installed on the two side surfaces of the upper end of the second bottom connecting plate 18, the left and right sides of the reducer 4 are connected to the left and right sides of the second bottom connecting plate 18 through the second left supporting plate 19 and the first right supporting plate 5 and through the screw The torque measuring part is composed of a measuring shaft 9, a bearing seat 12, a bearing body 13, a first left support plate 7, a second right support plate 10, a lever arm 22, a pin 23, a pillar 24, a spherical bearing with a screw 27, a load sensor 28, a connecting seat 29 and a fixing plate 30. The first left support plate 7 and the second right support plate 10 are installed on the left and right sides of the upper end of the first bottom connecting plate 11, and a pull rod 25 is fixedly connected to the outer side of the first left support plate 7 and the second right support plate 10. The bearing seat 12 is installed on the upper part of the first left support plate 7 and the second right support plate 10, and the bearing body 13 is installed inside the bearing seat 12. Both ends of the measuring shaft 9 are supported by the bearing body 13.

As shown in FIGS. 1-4 , the support platform 2 is constructed of aluminum alloy profiles to form an I-shaped structure.

As shown in Figures 1-4, the reducer 4 has a dual input shaft structure, with a handwheel 3 and an encoder seat 21 installed at both ends of its input shaft respectively. The encoder seat 21 is fixedly connected to an angle encoder body 20. A second key 26 is provided between the handwheel 3 and the input shaft of the reducer 4. The opposite input shaft of the handwheel 3 is connected to the encoder through the encoder seat 21 for measuring the rotation angle of the handwheel 3.

As shown in Figures 1-4, a boss is provided in the middle position of the measuring shaft 9, and lever arms 22 are installed on both sides of the middle boss of the measuring shaft 9. The distal end of the lever arm 22 is connected to the load sensor 28 through a pin shaft 23 and a joint bearing 27 with a screw, and the lower end of the load sensor 28 is connected to a connecting seat 29, which is installed on a fixed plate 30, and the other end of the fixed plate 30 is connected to the bottom of the support platform 2. The force can be transmitted by the lever arms 22 installed on both sides of the middle boss of the measuring shaft 9, and the distal end of the lever arm 22 is connected to the load sensor 28 through a pin shaft 23 and a joint bearing 27 with a screw, and the lower end of the load sensor 28 is rotatably connected to the connecting seat 29, which is installed on the fixed plate 30, and the other end of the fixed plate 30 is connected to the bottom of the support platform 2, so that the force can be measured by the load sensor 28.

As shown in Figures 1-4, a torsion shaft 16 is installed in the output hole of the reducer 4. The reducer 4 is a worm gear reducer. The input shaft is arranged in the front-to-back direction and is slidably connected by a first key 17. The axis of the torsion shaft 16 is coaxial with the axis of the measuring shaft 9. The torsion shaft 16 is slidably connected by the first key 17, so the extension length of the torsion shaft 16 can be adjusted according to the length of the torsion sample 14.

As shown in Figures 1-4, the left end of the measuring shaft 9 and the right end of the torsion shaft 16 are both connected to a hexagonal wrench 15, and a torsion specimen 14 is installed in the hexagonal holes of the left and right wrenches 15. During testing, the two ends of the torsion specimen 14 can be placed in the hexagonal holes of the left and right wrenches 15 for clamping.

As shown in FIGS. 1-4 , the four corners of the lower end of the support platform 2 are fixedly connected with supporting legs 1 , and the upper ends of the first right support plate 5 and the first left support plate 7 are provided with wind shield plates 6 .

Working principle: When in use, the two ends of the torsion specimen 14 are placed in the hexagonal holes of the left and right wrenches 15 respectively. The output end of the reducer 4 is an inner hole with a keyway structure, and a torsion shaft 16 is installed in the output hole. The axial direction of the torsion shaft 16 is processed with a long keyway. The torsion shaft 16 is slidably connected through the first key 17. Therefore, the extension length of the torsion shaft 16 can be adjusted according to the length of the torsion specimen 14. When the handwheel 3 at one end of the output shaft of the reducer 4 rotates, the output hole can be driven to rotate, so that the torsion shaft 16 can be driven to rotate synchronously through the first key 17 built into the output hole. The input shaft of the reducer 4 is driven to rotate by manually rotating the handwheel 3, which can be used to The torsion test specimen 14 continuously applies torque, which can drive the measuring shaft 9 to rotate. The force can be transmitted by the lever arms 22 installed on both sides of the middle boss of the measuring shaft 9. The distal end of the lever arm 22 is connected to the load sensor 28 through the pin 23 and the screw joint bearing 27. The lower end of the load sensor 28 is rotatably connected to the connecting seat 29. The connecting seat 29 is installed on the fixed plate 30. The other end of the fixed plate 30 is connected to the bottom of the support platform 2, so that the force can be measured by the load sensor 28. The torque can be obtained by multiplying the lever arm 22 force by the force applied to the load sensor 28. The device can accurately obtain the torque at different torsion angles.

The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is only limited by the claims and their full scope and equivalents.

Claims (8)

1. The utility model provides a manual torsion test device, includes brace table (2), its characterized in that: the torque loading part consists of a speed reducer (4), a hand wheel (3), a screw (8), a second left support plate (19), a first right support plate (5), a torsion shaft (16), a first key (17) and a hexagonal spanner (15), a second left support plate (19) and a first right support plate (5) are respectively arranged on two side surfaces of the upper end of the second bottom connection plate (18), the left side and the right side of the speed reducer (4) are connected to the left side and the right side of the second bottom connection plate (18) through the second left support plate (19) and the first right support plate (5) and are fixed through screws (8), the torque measuring part consists of a measuring shaft (9), a bearing seat (12), a bearing main body (13), a first left support plate (7), a second right support plate (10), a lever arm (22), a pin shaft (23), a support (24), a joint, a sensor (27), a left support plate (29) and a right support plate (10) are respectively arranged on two side surfaces of the upper end of the second bottom connection plate (18), the left side and the right side of the speed reducer (4) is connected to the left side and the right side of the second bottom connection plate (18) through the screws (8), the outside fixedly connected with pull rod (25) between first left branch fagging (7) and second right branch fagging (10), bearing frame (12) are installed on first left branch fagging (7) and second right branch fagging (10) upper portion, the internally mounted of bearing frame (12) has bearing main part (13), the both ends of measuring axle (9) are supported by bearing main part (13).

2. A manual torsion test apparatus according to claim 1, wherein: the supporting table (2) is constructed into an I-shaped structure by an aluminum alloy section.

3. A manual torsion test apparatus according to claim 1, wherein: the speed reducer (4) is of a double-input-shaft structure, a hand wheel (3) and an encoder seat (21) are respectively arranged at two ends of an input shaft of the speed reducer, an angle encoder main body (20) is fixedly connected to the encoder seat (21), and a second key (26) is arranged between the hand wheel (3) and the input shaft of the speed reducer (4).

4. A manual torsion test apparatus according to claim 1, wherein: the middle position of the measuring shaft (9) is provided with a boss, lever arms (22) are arranged on two side surfaces of the middle boss of the measuring shaft (9), and the far ends of the lever arms (22) are connected with a load sensor (28) through pin shafts (23) and joint bearings (27) with screws.

5. A manual torsion test apparatus according to claim 1, wherein: the lower end of the load sensor (28) is connected with a connecting seat (29), the connecting seat (29) is arranged on a fixed plate (30), and the other end of the fixed plate (30) is connected to the bottom of the supporting table (2).

6. A manual torsion test apparatus according to claim 1, wherein: a torsion shaft (16) is arranged in an output hole of the speed reducer (4) and is connected in a sliding mode through a first key (17), and the axis of the torsion shaft (16) is coaxial with the axis of the measuring shaft (9).

7. A manual torsion test apparatus according to claim 1, wherein: the left end of the measuring shaft (9) and the right end of the torsion shaft (16) are both connected with hexagonal wrenches (15), and torsion samples (14) are arranged in hexagonal holes of the left wrench (15) and the right wrench (15).

8. A manual torsion test apparatus according to claim 1, wherein: the four corners of the lower end of the supporting table (2) are fixedly connected with supporting feet (1), and the upper ends of the first right supporting plate (5) and the first left supporting plate (7) are provided with wind shielding plates (6).