CN211576455U - Torque reference machine - Google Patents
Torque reference machine Download PDFInfo
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- CN211576455U CN211576455U CN202020626894.6U CN202020626894U CN211576455U CN 211576455 U CN211576455 U CN 211576455U CN 202020626894 U CN202020626894 U CN 202020626894U CN 211576455 U CN211576455 U CN 211576455U
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- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 239000003638 chemical reducing agent Substances 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000003028 elevating effect Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The invention relates to a torque reference machine, which comprises a shell, a lever weight mechanism, a horizontal moving mechanism and a lifting mechanism, wherein the lever weight mechanism, the horizontal moving mechanism and the lifting mechanism are arranged on the shell; the lever weight mechanism is arranged on the horizontal moving mechanism, is positioned at one end of the shell and is used for loading torque, and the horizontal moving mechanism is arranged at the other end of the shell and is used for placing and connecting a workpiece to be measured and adjusting the workpiece to be measured to be horizontally placed; the lifting mechanisms are arranged on two sides of the shell and located below the lever weight mechanism and used for lifting weights and measuring loading torque. The invention can ensure that the weight set moment is unchanged, so as to realize the detection of various portable torque measuring instruments, such as a standard torque meter, a standard torque wrench, a working torque meter and a torque wrench. The device can realize the detection of all the portable torque measuring instruments at present through a special lever design; can be widely applied in the field of metering.
Description
Technical Field
The invention relates to a measurement detection device, in particular to a torque reference machine.
Background
Currently, there are a variety of torque reference machines on the market. Factors influencing the uncertainty of the torque reference device mainly comprise the uncertainty of the length of a force arm of the lever device, the uncertainty of a weight loading force value, the uncertainty of friction torque of a support bearing, the uncertainty caused by coaxiality change, the uncertainty brought by stress and the uncertainty caused by the levelness of the force arm. How to ensure that the torque reference device works to accord with a torque mechanics model, reduce each uncertainty component and ensure that uncertainty indexes of the whole device become key contents of the research of the project. The torque application mode of the unilateral weight application is a mode generally adopted by the current torque reference device, but the torque application mode is not a pure torque application mode, has large pressure on a knife edge except for torque, influences the sensitivity of the torque, and has a single applicable type.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a torque reference machine, which can effectively improve torque sensitivity and realize detection of various portable torque meters.
In order to achieve the purpose, the invention adopts the following technical scheme: a torque reference machine comprises a shell, a lever weight mechanism, a horizontal moving mechanism and a lifting mechanism, wherein the lever weight mechanism, the horizontal moving mechanism and the lifting mechanism are arranged on the shell; the lever weight mechanism is arranged on the horizontal moving mechanism, is positioned at one end of the shell and is used for loading torque, and the horizontal moving mechanism is arranged at the other end of the shell and is used for placing and connecting a workpiece to be measured and adjusting the workpiece to be measured to be horizontally placed; the lifting mechanisms are arranged on two sides of the shell and located below the lever weight mechanism and used for lifting weights and measuring loading torque.
Further, the lever and weight mechanism comprises a lever, a steel belt, a weight group, a middle shaft, a middle knife rest, an adjusting device, a middle knife and a middle knife support; the two ends of the lever are arranged to be arc-shaped structures, and the center of the arc is positioned on the cutting edge of the middle knife; the weight groups are connected to two ends of the lever through the steel belt, a mounting hole is formed in the middle of the lever, a first end of the middle knife is fixed to one side of the lever through the adjusting device, a second end of the middle knife penetrates through the mounting hole and then is arranged in the middle knife rest in a penetrating mode, and the middle knife rest is arranged on the other side of the lever; the second end part of the middle knife is connected with one end of the middle knife, the middle knife is connected with the middle knife rest through a bearing, and the other end of the middle knife is connected with one end of a measured piece; the middle knife support is arranged below the mounting hole and is mounted on the horizontal moving mechanism; the two ends of the middle knife positioned at the two sides of the lever are erected on the middle knife support and are in line contact with the middle knife support.
Further, the adjusting device comprises a horizontal adjusting device and a vertical adjusting device; the horizontal adjusting device is arranged on one side of the lever and is connected with the first end of the middle knife; the vertical adjusting device is arranged at the upper part of the lever and penetrates through the mounting hole to be vertically contacted with the middle knife.
Further, the horizontal adjusting device comprises an adjusting bracket, a middle adjusting nut, a middle locking nut and a middle adjusting bolt; one end of the adjusting support is connected with the first end of the middle knife, and the other end of the adjusting support is sequentially connected with the middle adjusting nut, the middle locking nut and the middle adjusting bolt.
Further, the vertical adjusting device comprises an upper adjusting nut, an upper adjusting bolt and an upper locking nut; one end of the upper adjusting bolt penetrates through the upper adjusting nut and the lever in sequence and then is vertically contacted with the middle knife, and the other end of the upper adjusting bolt is connected with the upper locking nut.
Further, a side adjusting bolt, a side adjusting nut and a side locking nut for adjusting the left and right levels of the weight group are arranged on the lever; the side adjusting bolt penetrates through the side adjusting nut to be connected with the lever, and the side locking nut is arranged at the end part of the side adjusting bolt.
Further, the horizontal moving mechanism comprises a speed reducer supporting seat, a speed reducing motor, a horizontal hand wheel, a linear guide rail, a horizontal base, a lever group cushion block and a hand-operated lifting platform; the horizontal base is installed on the shell, the lever group cushion block is arranged at one end of the horizontal base, and the middle knife support is installed on the lever group cushion block; the other end of the horizontal base is provided with the linear guide rail, the speed reducer supporting seat and the hand-operated lifting platform are arranged on the linear guide rail in a sliding mode, and the hand-operated lifting platform is located between the speed reducer supporting seat and the lever group cushion block; the upper part of the speed reducer supporting seat is provided with the speed reducing motor, and an output shaft of the speed reducing motor penetrates through the speed reducer supporting seat to be connected with the other end of the tested piece; the bottom that is located the speed reducer supporting seat is provided with the actuating lever, the actuating lever tip is provided with horizontal hand wheel, horizontal hand wheel drives the actuating lever action.
Further, hand wheel is provided with on one side of hand elevating platform.
Further, the lifting mechanism comprises a supporting plate, a servo driver, a base and a guide shaft; the supporting plate is arranged on the upper part of the base, and round holes are formed in two ends of the supporting plate and used for the weight group to penetrate through the supporting plate; the device comprises a casing, a base, a supporting plate, a servo driver, a sliding block, a supporting plate, a guide shaft and a guide shaft, wherein the vertical sliding rails are arranged on two sides of the casing respectively and below the supporting plate, the sliding block driven by the servo driver is arranged on the vertical sliding rails, the supporting plate used for supporting the weight group is arranged on the sliding block, the guide shaft is arranged at the end part of the supporting plate, and two ends of the guide shaft are respectively connected with the base and the supporting.
Further, base one end is provided with the support column, the support column sets up in the casing.
Due to the adoption of the technical scheme, the invention has the following advantages: the two ends of the lever adopted by the invention are in arc structures, and the center support can adopt a knife edge and various bearings (such as air bearings and the like); the steel belt is adopted to connect the weight group, so that the force moment and couple of the weight group are ensured to be unchanged, the sensitivity is effectively improved, and the detection of various portable torque measuring devices is realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the lever weight mechanism according to the embodiment of the present invention;
FIG. 3 is an exploded view of the horizontal movement mechanism according to the embodiment of the present invention;
FIG. 4 is an exploded view of the lifting mechanism of the embodiment of the present invention;
reference numerals: 1 weight-based lever mechanism, 2 horizontal moving mechanism, 3 lifting mechanism, 101 lever, 102 steel belt, 103 weight group, 104 middle shaft, 105 middle knife rest, 106 middle knife, 107 middle knife support, 108 adjusting bracket, 109 middle adjusting nut, 110 middle locking nut, 111 middle adjusting bolt, 112 upper adjusting nut, 113 upper adjusting bolt, 114 upper locking nut, 115 side adjusting bolt, 116 side adjusting nut, 117 side locking nut, 201 reducer support seat, 202 speed reducing motor, 203 horizontal hand wheel, 204 linear guide rail, 205 horizontal base, 206 lever group cushion block, 207 hand-operated lifting platform, 301 support plate, 302 support plate, 303 servo driver, 304 base, 305 support column, 306 guide shaft.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inside", "outside", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The invention is described in detail below with reference to the figures and examples.
As shown in fig. 1, the present invention provides a torque reference machine, which comprises a housing, and a lever-weight mechanism 1, a horizontal movement mechanism 2 and a lifting mechanism 3 which are arranged on the housing. The lever weight mechanism 1 is arranged on the horizontal moving mechanism 2, the lever weight mechanism 1 is located at one end of the shell and used for loading torque, the horizontal moving mechanism 2 is arranged at the other end of the shell and used for placing and connecting a workpiece to be tested, and the workpiece to be tested is adjusted to be horizontally placed. The lifting mechanisms 3 are arranged on two sides of the shell, are positioned below the lever weight mechanism 1 and are used for lifting weights and measuring loading torque. Wherein:
as shown in fig. 2, the lever-weight mechanism 1 is a lever structure, which includes a lever 101, a steel belt 102, a weight stack 103, a middle shaft 104, a middle knife rest 105, an adjusting device, a middle knife 106, and a middle knife support 107. The two ends of the lever 101 are arranged in a circular arc structure, and the center of the circular arc is located on the edge of the middle knife 106. The weight stack 103 is connected to the two ends of the lever 101 through the steel belt 102, and the steel belt 102 ensures that the weight stack 103 does not change the position of the weight stack 103 when swinging. A mounting hole is formed in the middle of the lever 101, a first end of the middle knife 106 is fixed to one side of the lever 101 through an adjusting device, a second end of the middle knife 106 penetrates through the mounting hole and then is arranged in the middle knife rest 105 in a penetrating mode, and the middle knife rest 105 is mounted on the other side of the lever 101; the second end of the middle knife 106 is connected with one end of the middle shaft 104, the middle shaft 104 is connected with the middle knife holder 105 through a bearing, and the other end of the middle shaft 104 is connected with one end of the measured piece. A middle knife support 107 is arranged below the mounting hole, and the middle knife support 107 is arranged on the horizontal moving mechanism 2 and used for supporting the whole lever weight mechanism 1; the middle knife 106 on both sides of the lever 101 is mounted on the middle knife holder 107 at both ends, and is in line contact with the middle knife holder 107, so as to ensure that there is no interference of external force during swinging.
In the above embodiments, the adjusting means includes a horizontal adjusting means and a vertical adjusting means. The horizontal adjusting device is arranged on one side of the lever 101 and is connected with a first end of the middle knife 106; the vertical adjusting means is provided at the upper portion of the lever 101 to vertically contact the middle blade 106 through the mounting hole. The horizontal adjustment means includes an adjustment bracket 108, a middle adjustment nut 109, a middle locking nut 110 and a middle adjustment bolt 111. One end of an adjusting bracket 108 is connected with the first end of the middle knife 106, the other end of the adjusting bracket 108 is sequentially connected with a middle adjusting nut 109, a middle locking nut 110 and a middle adjusting bolt 111, and the front and back levels of the whole mechanism are adjusted through the middle adjusting nut 109. The vertical adjusting device comprises an upper adjusting nut 112, an upper adjusting bolt 113 and an upper locking nut 114, one end of the upper adjusting bolt 113 penetrates through the upper adjusting nut 112 and the lever 101 in sequence and then is in vertical contact with the middle knife 106, and the other end of the upper adjusting bolt 113 is connected with the upper locking nut 114.
In the above embodiments, the lever 101 is further provided with a side adjusting bolt 115, a side adjusting nut 116 and a side locking nut 117 for adjusting the left and right levels of the weight stack 103; the side adjusting bolt 115 is coupled to the lever 101 through a side adjusting nut 116, and a side locking nut 117 is provided at an end of the side adjusting bolt 115.
In the above embodiments, the lever 11 may be a hollow structure.
In the above embodiments, the middle blade 106 may be replaced by various bearings, such as an air bearing.
As shown in fig. 3, the horizontal moving mechanism 2 includes a speed reducer support base 201, a speed reduction motor 202, a horizontal hand wheel 203, a linear guide 204, a horizontal base 205, a lever set cushion block 206, and a hand-operated lifting platform 207. The horizontal base 205 is installed on the shell, one end of the horizontal base 205 is provided with a lever group cushion block 206, and the middle knife support 107 is installed on the lever group cushion block 206; the other end of the horizontal base 205 is provided with a linear guide 204. The linear guide 204 is provided with a speed reducer support base 201 and a hand-operated lifting platform 207 in a sliding manner, and the hand-operated lifting platform 207 is arranged between the speed reducer support base 201 and the lever group cushion block 206 and in front of the hand-operated lifting platform 207. The upper part of the speed reducer supporting seat 201 is provided with a speed reducing motor 202, an output shaft of the speed reducing motor 202 penetrates through the speed reducer supporting seat 201, and the output shaft is connected with the other end of the tested piece. The bottom that is located speed reducer supporting seat 201 is provided with the actuating lever, and the actuating lever tip is provided with horizontal hand wheel 203, drives the actuating lever action through horizontal hand wheel 203, and then drives speed reducer supporting seat 201 and carries out linear motion at linear guide 204.
Wherein, hand elevating platform 207 one side is provided with hand round for drive hand elevating platform 207 rises or descends, and then adjusts the height of being surveyed through hand elevating platform 207. When the device is used, a tested piece is supported by the hand-operated lifting platform 207, and after two ends of the tested piece are respectively connected with the middle shaft 104 and the output shaft of the speed reducing motor 202, the hand-operated lifting platform 207 descends and is withdrawn.
As shown in fig. 4, the lifting mechanism 3 includes a support plate 301, a pallet 302, a servo driver 303, a base 304, a support column 305, and a guide shaft 306. Base 304 one end is provided with support column 305, and support column 305 sets up in the casing for support housing and guarantee the steadiness of casing. The upper part of the other end of the base 304 is provided with a supporting plate 301, and two ends of the supporting plate 301 are provided with round holes for the weight set 103 to pass through. And the weight stack 103 is supported by the supporting plate 302 through the supporting plate 302, wherein the vertical sliding rails are respectively arranged on two sides of the shell, the sliding blocks driven by the servo driver 303 are arranged on the vertical sliding rails, and the supporting plate 302 is arranged on the sliding blocks. The end of the supporting plate 302 is provided with a guiding shaft 306, and two ends of the guiding shaft 306 are respectively connected with the base 304 and the supporting plate 301. During the use, drive layer board 302 by servo driver 303 and reciprocate, and then for the power of the lift of weight group 103, can ensure the accurate and steady of weight group 103 position of lifting each time through this servo driver 303.
In conclusion, the torque reference machine can ensure that the moment of couple of the weight set 103 is unchanged, so that various portable torque measuring instruments, such as a standard torque meter, a standard torque wrench, a working torque meter and a torque wrench, can be detected; the detection of all portable torque measuring instruments at present can be realized through the arrangement of the lever 101. When the device is used, the lever weight mechanism 1 is used for loading torque, and the horizontal moving mechanism 2 is used for placing and connecting a tested piece; the weight stack 103 is lifted through the servo driver 303 in the lifting mechanism 3, and the weight stack 103 is lifted by adopting the servo single-shaft driver for measuring the loading moment, so that the weight stack is ensured to be lifted stably and accurately every time.
The above embodiments are only for illustrating the present invention, and the structure, size, arrangement position and shape of each component can be changed, and on the basis of the technical scheme of the present invention, the improvement and equivalent transformation of the individual components according to the principle of the present invention should not be excluded from the protection scope of the present invention.
Claims (10)
1. A torque referencing machine, characterized by: the device comprises a shell, and a lever weight mechanism, a horizontal moving mechanism and a lifting mechanism which are arranged on the shell; the lever weight mechanism is arranged on the horizontal moving mechanism, is positioned at one end of the shell and is used for loading torque, and the horizontal moving mechanism is arranged at the other end of the shell and is used for placing and connecting a workpiece to be measured and adjusting the workpiece to be measured to be horizontally placed; the lifting mechanisms are arranged on two sides of the shell and located below the lever weight mechanism and used for lifting weights and measuring loading torque.
2. The torque reference machine as set forth in claim 1, wherein: the lever and weight mechanism comprises a lever, a steel belt, a weight group, a middle shaft, a middle knife rest, an adjusting device, a middle knife and a middle knife support; the two ends of the lever are arranged to be arc-shaped structures, and the center of the arc is positioned on the cutting edge of the middle knife; the weight groups are connected to two ends of the lever through the steel belt, a mounting hole is formed in the middle of the lever, a first end of the middle knife is fixed to one side of the lever through the adjusting device, a second end of the middle knife penetrates through the mounting hole and then is arranged in the middle knife rest in a penetrating mode, and the middle knife rest is arranged on the other side of the lever; the second end part of the middle knife is connected with one end of the middle knife, the middle knife is connected with the middle knife rest through a bearing, and the other end of the middle knife is connected with one end of a measured piece; the middle knife support is arranged below the mounting hole and is mounted on the horizontal moving mechanism; the two ends of the middle knife positioned at the two sides of the lever are erected on the middle knife support and are in line contact with the middle knife support.
3. The torque reference machine as set forth in claim 2, wherein: the adjusting device comprises a horizontal adjusting device and a vertical adjusting device; the horizontal adjusting device is arranged on one side of the lever and is connected with the first end of the middle knife; the vertical adjusting device is arranged at the upper part of the lever and penetrates through the mounting hole to be vertically contacted with the middle knife.
4. The torque reference machine as set forth in claim 3, wherein: the horizontal adjusting device comprises an adjusting bracket, a middle adjusting nut, a middle locking nut and a middle adjusting bolt; one end of the adjusting support is connected with the first end of the middle knife, and the other end of the adjusting support is sequentially connected with the middle adjusting nut, the middle locking nut and the middle adjusting bolt.
5. The torque reference machine as set forth in claim 3, wherein: the vertical adjusting device comprises an upper adjusting nut, an upper adjusting bolt and an upper locking nut; one end of the upper adjusting bolt penetrates through the upper adjusting nut and the lever in sequence and then is vertically contacted with the middle knife, and the other end of the upper adjusting bolt is connected with the upper locking nut.
6. The torque reference machine of any one of claims 2 to 5, wherein: the lever is provided with a side adjusting bolt, a side adjusting nut and a side locking nut which are used for adjusting the left and right levels of the weight group; the side adjusting bolt penetrates through the side adjusting nut to be connected with the lever, and the side locking nut is arranged at the end part of the side adjusting bolt.
7. The torque reference machine of any one of claims 2 to 5, wherein: the horizontal moving mechanism comprises a speed reducer supporting seat, a speed reducing motor, a horizontal hand wheel, a linear guide rail, a horizontal base, a lever group cushion block and a hand-operated lifting platform; the horizontal base is installed on the shell, the lever group cushion block is arranged at one end of the horizontal base, and the middle knife support is installed on the lever group cushion block; the other end of the horizontal base is provided with the linear guide rail, the speed reducer supporting seat and the hand-operated lifting platform are arranged on the linear guide rail in a sliding mode, and the hand-operated lifting platform is located between the speed reducer supporting seat and the lever group cushion block; the upper part of the speed reducer supporting seat is provided with the speed reducing motor, and an output shaft of the speed reducing motor penetrates through the speed reducer supporting seat to be connected with the other end of the tested piece; the bottom that is located the speed reducer supporting seat is provided with the actuating lever, the actuating lever tip is provided with horizontal hand wheel, horizontal hand wheel drives the actuating lever action.
8. The torque reference machine as set forth in claim 7, wherein: and a hand-operated wheel is arranged on one side of the hand-operated lifting platform.
9. The torque reference machine of any one of claims 2 to 5, wherein: the lifting mechanism comprises a supporting plate, a servo driver, a base and a guide shaft; the supporting plate is arranged on the upper part of the base, and round holes are formed in two ends of the supporting plate and used for the weight group to penetrate through the supporting plate; the device comprises a casing, a base, a supporting plate, a servo driver, a sliding block, a supporting plate, a guide shaft and a guide shaft, wherein the vertical sliding rails are arranged on two sides of the casing respectively and below the supporting plate, the sliding block driven by the servo driver is arranged on the vertical sliding rails, the supporting plate used for supporting the weight group is arranged on the sliding block, the guide shaft is arranged at the end part of the supporting plate, and two ends of the guide shaft are respectively connected with the base and the supporting.
10. The torque reference machine as set forth in claim 9, wherein: the base one end is provided with the support column, the support column sets up in the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020626894.6U CN211576455U (en) | 2020-04-23 | 2020-04-23 | Torque reference machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020626894.6U CN211576455U (en) | 2020-04-23 | 2020-04-23 | Torque reference machine |
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| CN211576455U true CN211576455U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020626894.6U Active CN211576455U (en) | 2020-04-23 | 2020-04-23 | Torque reference machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111323164A (en) * | 2020-04-23 | 2020-06-23 | 北京特思迪设备制造有限公司 | Torque reference machine |
| CN117030085A (en) * | 2023-09-27 | 2023-11-10 | 苏州市计量测试院 | Lever type large torque tester |
-
2020
- 2020-04-23 CN CN202020626894.6U patent/CN211576455U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111323164A (en) * | 2020-04-23 | 2020-06-23 | 北京特思迪设备制造有限公司 | Torque reference machine |
| CN111323164B (en) * | 2020-04-23 | 2025-02-25 | 北京特思迪设备制造有限公司 | A torque reference machine |
| CN117030085A (en) * | 2023-09-27 | 2023-11-10 | 苏州市计量测试院 | Lever type large torque tester |
| CN117030085B (en) * | 2023-09-27 | 2024-02-06 | 苏州市计量测试院 | A lever type large torque measuring instrument |
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