CN112683441B

CN112683441B - Torsion test equipment

Info

Publication number: CN112683441B
Application number: CN202011397839.5A
Authority: CN
Inventors: 宫存法
Original assignee: Nanjing Ouce Electronic Technology Co ltd
Current assignee: Nanjing Ouce Electronic Technology Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2022-02-15
Anticipated expiration: 2040-12-03
Also published as: CN112683441A

Abstract

The invention discloses a torsion testing device, which comprises a control assembly, a control module and a torsion testing device, wherein the control assembly comprises a control console, a display and a pressure gauge, and the display and the pressure gauge are both arranged on the control console; the lifting assembly comprises a tank chain, a speed reducing motor, a supporting table and a lifting table, wherein the supporting table and the tank chain are vertically and fixedly arranged on the control table, one end of the speed reducing motor is fixedly connected with the tank chain, the other end of the speed reducing motor is connected with the lifting table, and the lifting table is movably connected with the supporting table; the invention has the automatic alarm function: freely setting an alarm value and an overload alarm protection prompt; the three units are interchanged and can be selected (N.m/kgf.cm/Ib.in); peak hold, automatic peak hold, and tracking modes; there are two test modes: PEAK value of PEAK, TRACK real-time data and with indicator light; and a torque sensor is adopted, and the torque direction is displayed.

Description

Torsion test equipment

Technical Field

The invention relates to the technical field of torque wheel testing, in particular to torque testing equipment.

Background

The torsion testing device is a commonly used instrument in failure analysis and detection items and is used for measuring the torsion of a screw, a screwdriver or other mechanical parts; to the torsion wheel of adjusting car seat back, need carry out torsion test to it after the production, current test is usually that the manual work just uses the manual test of torsion meter, and the test accuracy deviation is big, wastes time and energy moreover.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the problems occurring in the prior art.

Therefore, the technical problem to be solved by the invention is that the prior art uses an artificial torque meter for testing the torque wheel, and has the disadvantages of time and labor waste, low efficiency and insufficient accuracy.

In order to solve the technical problems, the invention provides the following technical scheme: a torsion testing device comprises a control assembly, a control module and a control module, wherein the control assembly comprises a control console, a display and a pressure gauge, and the display and the pressure gauge are both arranged on the control console; and the lifting assembly comprises a tank chain, a speed reducing motor, a supporting table and a lifting table, wherein the supporting table and the tank chain are vertically and fixedly installed on the control table, one end of the speed reducing motor is fixedly connected with the tank chain, and the other end of the speed reducing motor is connected with the lifting table and the lifting table is movably connected with the supporting table.

As a preferable aspect of the torsion testing apparatus of the present invention, wherein: the lifting assembly further comprises a lifting cylinder, a fixing piece and a slide rail, an accommodating space is arranged in the console, the lifting cylinder is arranged in the accommodating space and extends out of the console to be connected with the lifting table, the slide rail is arranged on the supporting table, and the lifting table is movably connected with the supporting table through the slide rail; the mounting is installed in the elevating platform bottom, gear motor bottom and elevating platform bolted connection, the gear motor bottom is provided with the connecting axle and the connecting axle passes the elevating platform with the mounting is connected.

As a preferable aspect of the torsion testing apparatus of the present invention, wherein: the fixed part comprises a contact disc, a cushioning disc and an elastic part, the cushioning disc and the contact disc are of circular structures, the contact disc is positioned at the bottom of the cushioning disc, and the cushioning disc is fixedly connected with the connecting shaft; the elastic piece is arranged between the shock absorption disc and the contact disc to connect the shock absorption disc and the contact disc.

As a preferable aspect of the torsion testing apparatus of the present invention, wherein: the top surface of the cushioning plate protrudes out of the sleeve, the sleeve extends into the lifting platform from the bottom of the lifting platform to be connected, the inner diameter of the sleeve is the same as that of the connecting shaft, and the connecting shaft extends into the sleeve to be connected with the cushioning plate.

As a preferable aspect of the torsion testing apparatus of the present invention, wherein: the fixing piece further comprises a bearing and a connecting ring, the inner diameter of the bearing is consistent with the outer diameter of the sleeve, the sleeve is fixedly connected with the lifting platform by the bearing sleeve, the connecting ring is arranged on the top surface of the bearing in a sleeved mode and is arranged on the connecting shaft, the connecting ring is located between the speed reduction motor and the sleeve, and the connecting ring is fixedly connected with the top surface of the sleeve through a bolt.

As a preferable aspect of the torsion testing apparatus of the present invention, wherein: the testing device also comprises a testing assembly, wherein the testing assembly comprises a carrying disc, a rotary cylinder and a supporting frame, the supporting frame is arranged in the accommodating space and is fixedly connected with the top of the rotary cylinder, and the rotary cylinder is fixedly arranged on the supporting frame; the control console is provided with a circular groove, the circular groove is positioned under the contact disc and above the support frame, and the carrying disc is positioned in the circular groove and fixedly connected with the control console.

As a preferable aspect of the torsion testing apparatus of the present invention, wherein: the testing assembly further comprises a torsion wheel, the torsion wheel is placed on the carrying disc, the bottom surface of the torsion wheel is clamped with the carrying disc, and the top surface of the torsion wheel can be clamped with the contact disc; the center of the torque wheel is provided with a round hole, a lock catch is arranged in the round hole, and one end of the rotary cylinder extends into the lock catch to be matched.

As a preferable aspect of the torsion testing apparatus of the present invention, wherein: the control assembly further comprises a controller and a pressure regulating valve, the controller and the driver are installed in the accommodating space, the controller is connected with the driver, and the driver is respectively and electrically connected with the rotary cylinder, the ascending cylinder and the speed reducing motor; the pressure regulating valve is installed at one side of the console and connected with the ascending cylinder.

As a preferable aspect of the torsion testing apparatus of the present invention, wherein: the control console is provided with a switching knob, a starting button and an emergency stop button, the switching knob is used for controlling the rotation direction of the rotary cylinder, and the starting button and the emergency stop button are connected to the driver.

As a preferable aspect of the torsion testing apparatus of the present invention, wherein: the control assembly further comprises a photoelectric sensing switch, and the photoelectric sensing switch is arranged on the console and is positioned on one side of the torque wheel; the photo-electric switch is electrically connected to the controller and associated with the activation button.

The invention has the beneficial effects that: the invention has the following technical effects:

1. has the automatic alarm function: freely setting an alarm value and an overload alarm protection prompt;

2. the three units are interchanged and can be selected (N.m/kgf.cm/Ib.in); peak hold, automatic peak hold, and tracking modes;

3. there are two test modes: PEAK value of PEAK, TRACK real-time data and with indicator light;

4. a torque sensor is adopted, and the torque direction is displayed;

compared with the traditional test equipment, the invention is specially used for the automobile torsion wheel, the inside of the product is controlled by a gear and a clockwork spring, and the torsion strength can be detected after the product is unlocked. The manual unlocking is time-consuming and labor-consuming, and the design of the invention is characterized in that the torsion of the product is detected after the product shaft core is driven by the rotating cylinder to unlock in order to save labor and increase efficiency, and the second testing efficiency is three times that of common testing equipment. After the tray is placed on the product to be detected in the whole detection process, the sensor senses the product, and the full-automatic detection is carried out under the control of the PLC. Most of the products in the market are detected by a torsion meter manually, are generally used for bottle cap type products or electric screwdriver type products, and are difficult to be used for testing automobile torsion wheels.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is a structural view of the first and second embodiments.

Fig. 2 is a connection diagram of the internal structure diagram and the lifting assembly structure of the control assembly in the first and second embodiments.

Fig. 3 is a view showing a structure of a fixing member in the first embodiment.

FIG. 4 is a diagram showing a connection structure of a test assembly and a console in a second embodiment.

FIG. 5 is a diagram showing the construction of a test assembly in the second embodiment.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 3, a first embodiment of the present invention provides a torsion testing apparatus, which includes a control assembly 100 and a lifting assembly 200.

The control assembly 100 includes a console 101, a display 102 and a pressure gauge 103, and the display 102 and the pressure gauge 103 are both mounted on the console 101 for detecting the lifting assembly 200.

Further, the lifting assembly 200 includes a tank chain 201, a speed reduction motor 202, a support table 203 and a lifting platform 204, specifically, the tank chain 201 and the support table 203 are both vertically installed on the control table 101, the support table 203 has two sides and is at a distance, the tank chain 201 is located between the support tables 203 and is connected with the speed reduction motor 202 in a ninety-degree bending manner, the tank chain 201 can move up and down, the lifting assembly 200 further includes a lifting cylinder 205, a fixing member 206 and a sliding rail 207, the sliding rail 207 is vertically arranged on the support table 203, the lifting platform 204 is arranged on the support table 203 in a matching manner with the sliding rail 207 so that the lifting platform 204 can move up and down through the sliding rail 207, the speed reduction motor 202 is located directly above the lifting platform 204 and the lower end is connected with the lifting platform 204, and the movement of the lifting platform 204 can push the speed reduction motor 202 to move up and down.

Further, a containing space 101a is arranged in the console 101, the lifting cylinder 205 is installed in the containing space 101a, the lifting cylinder 205 extends out of the console 101 and is fixedly connected with the lifting table 204, and the lifting cylinder 205 can push the lifting table 204 to ascend and descend.

Further, the fixing member 206 is installed at the bottom of the lifting platform 204, specifically, the fixing member 206 includes a contact disc 206a, a buffer disc 206b and an elastic member 206c, the bottom end of the speed reducing motor 202 is provided with a connecting shaft 202a, the connecting shaft 202a penetrates through the lifting platform 204 and is connected with the fixing member 206, the contact disc 206a and the buffer disc 206b are in a circular ring structure, the buffer disc 206b is located above the contact disc 206a, the elastic member 206c is located between the contact disc 206a and the buffer disc 206b to connect the contact disc and the buffer disc, the top surface of the buffer disc 206b is provided with a sleeve 206b-1 extending and protruding upwards coaxially, the connecting shaft 202a extends into the sleeve 206b-1 to be connected, and the elastic member 206c is located between the contact disc 206a and the buffer disc 206b to be connected with the contact disc 206a and the buffer disc 206b to play a role in buffering.

The fixing element 206 further includes a bearing 206d and a connecting ring 206e, specifically, the inner diameter of the bearing 206d is the same as the outer diameter of the sleeve 206b-1, the bearing 206d is sleeved on the sleeve 206b-1, the connecting ring 206e is located on the top surface of the sleeve 206b-1 and is fixedly connected with the top surface of the sleeve 206b-1 through a bolt, and meanwhile, the outer diameter of the connecting ring 206e is larger than the outer diameter of the sleeve 206b-1, so that the lower bearing 206d is limited and cannot fall off; the bearing 206d is sleeved on the sleeve 206b-1 and both are located inside the lifting platform 204, and three identical bearings 206d are sequentially sleeved on the sleeve 206b-1 to clamp a convex ring 204a inside the lifting platform 204 therein, so that the sleeve 206b-1 and the cushioning disk 206b are fixed inside the lifting platform 204 together to prevent the cushioning disk 206b from loosening up and down.

Example 2

Referring to fig. 1, 2, 4 and 5, a second embodiment of the present invention, which is based on the previous embodiment, further includes a testing component 300.

The test assembly 300 comprises a carrying disc 301, a rotary cylinder 302 and a supporting frame 303, specifically, a circular groove 101b is arranged on the console 101, the circular groove 101b is communicated with the accommodating space 101a, the carrying disc 301 is located in the circular groove 101b and is located right below the contact disc 206a, the supporting frame 303 is arranged in the accommodating space 101a and is located right below the circular groove 101b, and the supporting frame 303 is fixedly connected with the console 101.

The rotary cylinder 302 is arranged on the supporting frame 303 and extends out of the carrier disc 301, and the carrier disc 301 is positioned in the circular groove 101b and is fixedly connected with the top of the rotary cylinder 302.

The testing assembly 300 further comprises a torque wheel 304, the torque wheel 304 is an existing product and is placed on the carrying disc 301, the bottom of the torque wheel is fixedly clamped with the carrying disc 301, a round hole 304a is formed in the middle of the torque wheel 304, a lock catch 305 is arranged in the round hole 204a, one end of the rotary cylinder 302 extends into the lock catch 305 to be matched, and according to the matching with the lock catch 305, due to the fact that the characteristics of the torque wheel 304 product are divided into left rotation and right rotation, the left unlocking torque wheel 304 of the rotary cylinder 302 rotates leftwards, and the right unlocking torque wheel 304 of the rotary cylinder 302 rotates rightwards.

Further, the torque wheel 304 is placed on the carrier plate 301, the reduction motor 202 and the ascending cylinder 205 control the fixing member 206 to ascend and descend, and the torque wheel 304 is pressed down to be clamped and fixed with the contact plate 206a when descending, so that the torque wheel 304 is prevented from moving transversely, and the rotating cylinder 302 rotates to drive the torque wheel 304 to rotate together to play a test role.

Further, the control assembly 100 further includes a controller 104, a pressure regulating valve 105 and a driver 107, specifically, the controller 104 and the driver 107 are disposed in the accommodating space 101a, the controller 104 may be a PLC, an internal input program is debugged, the PLC is connected to the driver 107 and then respectively connected to the rotary cylinder 302, the ascending cylinder 205 and the decelerating motor 202, and the controller 104 is used for controlling the start and stop of the motor and displaying the detected data to the display 102 and the pressure gauge 103 on the console 101 in real time through the driver 107; the pressure regulating valve 105 is installed at one side of the console 101 and connected to the ascent cylinder 205 for controlling a pressure value of the ascent cylinder 205 while detecting data by the controller 104.

Further, a switching knob 101c, a start button 101d and an emergency stop button 101e are arranged on the console 101, specifically, the start button 101d and the emergency stop button 101e are connected to the controller 101, the start button 101d is used for starting a test program and controlling the rotary cylinder 302, the ascending cylinder 205 and the deceleration motor 202 to start acting, the emergency stop button 101e is used for stopping running in special cases, and the switching knob 101c is connected to the controller 104 for controlling the rotating direction of the rotary cylinder 302.

The control assembly 100 further comprises a photoelectric sensing switch 106, the photoelectric sensing switch 106 is mounted on the console 101 and located on one side of the torque wheel 304 and used for sensing the torque wheel 304, the photoelectric sensing switch 106 is connected with the controller 104, and the photoelectric sensing switch 106 is associated with a start button 101d, when the photoelectric sensing switch 106 does not sense the torque wheel 304, the program is not started, the rotary cylinder 302, the lifting cylinder 205 and the speed reducing motor 202 are not moved, when the photoelectric sensing switch 106 senses the torque wheel 304, the start button 101d is pressed, the program starts to run, the rotary cylinder 302, the lifting cylinder 205 and the speed reducing motor 202 start to act, and then all data are displayed to the display 102 and the pressure gauge 103 through the controller 104.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. A torsion testing apparatus, characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the control assembly (100) comprises a control console (101), a display (102) and a pressure gauge (103), wherein the display (102) and the pressure gauge (103) are both arranged on the control console (101); and the number of the first and second groups,

the lifting assembly (200) comprises a tank chain (201), a speed reducing motor (202), a supporting platform (203) and a lifting platform (204), wherein the supporting platform (203) and the tank chain (201) are vertically and fixedly mounted on the control platform (101), one end of the speed reducing motor (202) is fixedly connected with the tank chain (201), the other end of the speed reducing motor (202) is connected with the lifting platform (204), and the lifting platform (204) is movably connected with the supporting platform (203);

the lifting assembly (200) further comprises a lifting cylinder (205), a fixing piece (206) and a sliding rail (207), an accommodating space (101 a) is formed in the console (101), the lifting cylinder (205) is arranged in the accommodating space (101 a) and extends out of the console (101) to be connected with the lifting table (204), the sliding rail (207) is installed on the supporting table (203), and the lifting table (204) is movably connected with the supporting table (203) through the sliding rail (207);

the fixing piece (206) is installed at the bottom of the lifting platform (204), the bottom of the speed reducing motor (202) is in bolt connection with the lifting platform (204), a connecting shaft (202 a) is arranged at the bottom end of the speed reducing motor (202), and the connecting shaft (202 a) penetrates through the lifting platform (204) to be connected with the fixing piece (206);

the fixing piece (206) comprises a contact disc (206 a), a shock absorption disc (206 b) and an elastic piece (206 c), the shock absorption disc (206 b) and the contact disc (206 a) are of circular structures, the contact disc (206 a) is located at the bottom of the shock absorption disc (206 b), and the shock absorption disc (206 b) is fixedly connected with the connecting shaft (202 a);

the elastic piece (206 c) is arranged between the shock absorption disc (206 b) and the contact disc to connect the shock absorption disc and the contact disc;

the testing device further comprises a testing assembly (300) which comprises a carrying disc (301), a rotary cylinder (302) and a supporting frame (303), wherein the supporting frame (303) is installed in the accommodating space (101 a) and is fixedly connected with the top of the rotary cylinder (302), and the rotary cylinder (302) is fixedly installed on the supporting frame (303);

the control console (101) is provided with a circular groove (101 b), the circular groove (101 b) is positioned under the contact disc (206 a) and above the supporting frame (303), and the carrying disc (301) is positioned in the circular groove (101 b) and fixedly connected with the control console (101);

the test assembly (300) further comprises a torsion wheel (304), wherein the torsion wheel (304) is placed on the carrier disc (301) and the bottom surface is clamped with the carrier disc (301), and the top surface of the torsion wheel (304) can be clamped with the contact disc (206 a);

the center of the torque wheel (304) is provided with a round hole (304 a), a lock catch (305) is arranged in the round hole (304 a), and one end of the rotary cylinder (302) extends into the lock catch (305) to be matched;

the top surface of the cushioning disc (206 b) is convexly provided with a sleeve (206 b-1), the sleeve (206 b-1) extends into the lifting table (204) from the bottom of the lifting table (204) to be connected, the inner diameter of the sleeve (206 b-1) is the same as that of the connecting shaft (202 a), and the connecting shaft (202 a) extends into the sleeve (206 b-1) to be connected with the cushioning disc (206 b);

the fixing piece (206) further comprises a bearing (206 d) and a connecting ring (206 e), the inner diameter of the bearing (206 d) is consistent with the outer diameter of the sleeve (206 b-1), the bearing (206 d) is sleeved on the sleeve (206 b-1) to fixedly connect the sleeve (206 b-1) with the lifting platform (204), the connecting ring (206 e) is arranged on the top surface of the bearing (206 d) and sleeved on the connecting shaft (202 a), the connecting ring (206 e) is located between the speed reduction motor (202) and the sleeve (206 b-1), and the connecting ring (206 e) is fixedly connected with the top surface of the sleeve (206 b-1) through bolts;

the bearing (206 d) and the sleeve (206 b-1) are positioned inside the lifting platform (204), the three bearings (206 d) are sequentially sleeved on the sleeve (206 b-1), the lifting platform (204) is internally provided with a convex ring (204 a), and the three bearings (206 d) clamp the convex ring (204 a) in the middle;

the left unlocking torque wheel (304) of the rotary cylinder (302) rotates leftwards, and the right unlocking torque wheel (304) of the rotary cylinder (302) rotates rightwards.

2. A torsion testing apparatus according to claim 1, wherein: the control assembly (100) further comprises a controller (104), a pressure regulating valve (105) and a driver (107), the controller (104) and the driver (107) are installed in the accommodating space (101 a), the controller (104) is connected with the driver (107), and the driver (107) is respectively and electrically connected with the rotary cylinder (302), the lifting cylinder (205) and the speed reducing motor (202);

the pressure regulating valve (105) is installed at one side of the console (101) and connected to the lifting cylinder (205).

3. A torsion testing apparatus according to claim 2, wherein: the control console (101) is provided with a switching knob (101 c), a starting button (101 d) and an emergency stop button (101 e), the switching knob (101 c) is used for controlling the rotating direction of the rotating cylinder (302), and the starting button (101 d) and the emergency stop button (101 e) are connected to the driver (107).

4. A torsion testing apparatus according to claim 3, wherein: the control assembly (100) further comprises a photoelectric sensing switch (106), wherein the photoelectric sensing switch (106) is installed on the console (101) and is positioned on one side of the torque wheel (304);

the photo-electric sensitive switch (106) is electrically connected with the controller (104) and the photo-electric sensitive switch (106) is associated with the activation button (101 d).