CN116105902B - Multi-module force transducer - Google Patents
Multi-module force transducer Download PDFInfo
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- CN116105902B CN116105902B CN202211652950.3A CN202211652950A CN116105902B CN 116105902 B CN116105902 B CN 116105902B CN 202211652950 A CN202211652950 A CN 202211652950A CN 116105902 B CN116105902 B CN 116105902B
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- force measuring
- adjusting
- pull rod
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- support
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- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000008093 supporting effect Effects 0.000 claims description 35
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 30
- 230000008859 change Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
- G01L1/2287—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges constructional details of the strain gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/04—Measuring force or stress, in general by measuring elastic deformation of gauges, e.g. of springs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
- G01L1/2206—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/26—Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention is suitable for the field of force measuring equipment, in particular to a multi-module force measuring sensor, which comprises: a housing; the disc seat is coaxially supported and rotatably arranged in the shell, a plurality of groups of element grooves are distributed on the disc seat in a circumferential array manner, and a force measuring element is arranged in each element groove; the stroke adjusting mechanism is supported and fixedly arranged on the cross support frame, the cross support frame is fixedly connected and installed on the shell, the stroke adjusting mechanism is used for adjusting the height position of the force measuring pull rod along the force measuring direction, one end of the force measuring pull rod is connected and provided with a hanging piece matched with the force measuring element, and the other end of the force measuring pull rod is connected and provided with a carrying piece. The force measuring sensor provided by the invention can acquire a plurality of force measuring data for the same measured object by selecting different force measuring elements, is convenient for comparison and improves the accuracy.
Description
Technical Field
The invention belongs to the technical field of force measuring equipment, and particularly relates to a multi-module force measuring sensor.
Background
The current largest force transducer used in China is a resistance strain transducer, the principle is that a resistance strain gauge is stuck on an elastic element acted by a load to be measured, the strain gauge converts the strain change of the elastic element into resistance change, and a measuring circuit is used for converting the resistance change into voltage change and displaying and recording the voltage change, so that the size of the load to be measured is obtained. The force measuring sensor of the traditional scheme is a force measuring element of a single module for measuring force, and multiple groups of force measuring data cannot be acquired for comparison in the force measuring process, so that the accuracy of the mechanical data measured in the force measuring process cannot be accurately maintained.
Disclosure of Invention
The embodiment of the invention aims to provide a multi-module force transducer, which aims to solve the technical problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions.
A multi-module load cell, said load cell comprising:
A housing;
The disc seat is coaxially supported and rotatably arranged in the shell, a plurality of groups of element grooves are distributed on the disc seat in a circumferential array manner, and a force measuring element is arranged in each element groove;
The stroke adjusting mechanism is fixedly arranged on the cross support frame in a supporting mode, the cross support frame is fixedly connected and installed on the shell, the stroke adjusting mechanism is used for adjusting the height position of the force measuring pull rod along the force measuring direction, one end of the force measuring pull rod is connected and provided with a hanging piece matched with the force measuring element, the other end of the force measuring pull rod is connected and provided with a carrying piece, and the carrying piece is a force measuring hook.
In one embodiment provided by the invention, the force measuring element comprises a force measuring support, wherein the force measuring support is in supporting connection with the inner wall of the element groove through a plurality of groups of force measuring strain gauges, the force measuring strain gauges are used for detecting strain changes when the force measuring support generates relative displacement in the element groove, the strain changes are converted into resistance changes, and the resistance changes are converted into voltage changes by utilizing a measuring circuit and are displayed and recorded, so that the size of a load to be born is obtained; when the device is specifically used, a measured object is mounted through the loading piece, then the measured object is released, and then the measured object moves by pulling the force measuring pull rod, so that the force measuring support generates relative displacement in the element groove, and the strain change of the force measuring support when the force measuring support generates relative displacement in the element groove is detected through the force measuring strain gauge, so that force measurement is realized.
In one embodiment of the present invention, the force measuring support is further fixedly provided with an arc-shaped supporting block matched with the hanging piece, wherein the hanging piece includes:
the arc-shaped block is matched with the arc-shaped supporting block;
The force measuring support plate is rotatably arranged at the top end of the force measuring pull rod, and the force measuring support plate is fixedly connected with the arc-shaped block.
In one embodiment provided by the invention, the arc-shaped block corresponds to the movement track of the arc-shaped supporting block, and when the disc seat rotates relative to the shell, the arc-shaped block is abutted in the arc-shaped supporting block of the corresponding force measuring element, so that the hanging piece is hung on the appointed force measuring element, and the force measuring process is realized by using the current force measuring element.
In one embodiment of the invention, the stroke adjusting mechanism comprises a round base fixedly connected to the cross support frame, a spiral inclined plane which is upwards spiral is arranged on the round base, a bottom plane is arranged at the bottom end along the spiral direction of the spiral inclined plane, a top plane is arranged at the top end along the spiral direction of the spiral inclined plane, the top end along the spiral direction of the spiral inclined plane is also provided with a pressing wheel which is matched with the top plane, the force measuring pull rod vertically slides and penetrates through the spiral inclined plane, and the stroke adjusting mechanism further comprises a pressing wheel which is supported and arranged on the force measuring pull rod.
In one embodiment of the present invention, the circular base is further supported and fixedly provided with a limit stop, and the limit stop is used for limiting the movement travel of the pressing wheel, and when the pressing wheel abuts against the limit stop, the pressing wheel is indicated to abut against the top plane.
In one embodiment of the present invention, the housing is provided with an adjusting mechanism for adjusting a rotation angle of the disc seat, and the adjusting mechanism includes:
The adjusting cylinder is rotationally arranged on the shell, a rectangular block is slidably arranged in the adjusting cylinder through a supporting spring, and the adjusting cylinder is coaxially and fixedly connected with the disc seat.
The adjusting disc is fixedly arranged at one end of the adjusting shaft, the other end of the adjusting shaft is arranged in the adjusting cylinder in a penetrating and sliding mode, and the other end of the adjusting shaft is fixedly connected with the rectangular block.
In one embodiment provided by the invention, the shell is fixedly provided with the limiting guide posts, the outer ring of the adjusting disk is provided with a plurality of limiting grooves matched with the limiting guide posts, the adjusting disk is fixedly provided with the adjusting handle, the limiting guide posts are separated from the limiting grooves by pulling the adjusting handle, and then the adjusting disk can be operated to drive the disk seat to rotate, otherwise, when the adjusting disk is released, under the elastic supporting action of the supporting springs, the limiting guide posts are propped against the corresponding limiting grooves to play the effect of limiting the rotation of the adjusting disk, namely, the rotation of the disk seat relative to the shell is limited.
In one embodiment of the invention, the shell is fixedly supported and installed on the supporting base, a supporting sleeve matched with the force measuring pull rod is fixedly arranged on the supporting base, the supporting sleeve is made of transparent plastic, and scales are arranged on the supporting sleeve and used for measuring displacement of the force measuring pull rod along the force measuring direction so as to judge whether the pressing wheel is positioned on the top plane.
In one embodiment of the invention, the cross support frame is further provided with a fixed support plate, and the force measuring pull rod is vertically arranged on the fixed support plate in a penetrating and sliding manner.
Compared with the prior art, when the force measuring sensor is used, a measured object is mounted through the loading piece, then the measured object is released, and the force measuring pull rod is pulled to move so as to enable the force measuring support to generate relative displacement in the element groove, so that strain change of the force measuring support when the force measuring support generates relative displacement in the element groove is detected through the force measuring strain gauge, and further force measurement is realized; when the disc seat rotates relative to the shell, the arc-shaped block is abutted against the arc-shaped supporting block of the corresponding force measuring element, so that the hanging piece is hung on the designated force measuring element, and the force measuring process is realized by using the current force measuring element.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a perspective view of a multi-module load cell of the present invention;
FIG. 2 is a front view of a load cell provided by the present invention;
FIG. 3 is a rear perspective view of the load cell provided by the present invention;
FIG. 4 is a schematic diagram of a load cell of the present invention;
FIG. 5 is a front view of a travel adjustment mechanism in the load cell of the present invention;
FIG. 6 is a perspective view of a travel adjustment mechanism in the load cell of the present invention;
FIG. 7 is a partial perspective view of an adjustment mechanism in a load cell according to the present invention;
FIG. 8 is a block diagram of another embodiment of a load cell provided by the present invention.
In fig. 1-7: 100. a housing; 101. a cross support frame; 102. a support base; 103. a support sleeve; 104. fixing the support plate; 105. limiting guide posts; 200. a disc seat; 201. a component groove; 202. an adjustment cylinder; 203. an adjusting plate; 204. a limit groove; 205. an adjusting handle; 206. an adjusting shaft; 207. rectangular blocks; 208. a support spring; 300. a force measuring cell; 301. a force-measuring strain gauge; 302. a force measuring support; 303. an arc-shaped supporting block; 400. a stroke adjusting mechanism; 401. a circular base; 402. a bottom plane; 403. a spiral inclined plane; 404. a top plane; 405. a limit stop; 406. a pinch roller; 500. a force measuring pull rod; 501. a force measuring hook; 502. a force measuring support plate; 503. an arc-shaped block; 504. and limiting the guide rod.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Example 1
As shown in fig. 1-2, in an embodiment of the present invention, a multi-module load cell, the load cell includes:
A housing 100;
the disc seat 200 is coaxially supported and rotatably arranged in the shell 100, a plurality of groups of element grooves 201 are distributed on the disc seat 200 in a circumferential array, and a force measuring element 300 is arranged in each element groove 201;
The stroke adjustment mechanism 400, the stroke adjustment mechanism 400 supports fixedly to be set up on the cross support frame 101, cross support frame 101 fixed connection installs on casing 100, stroke adjustment mechanism 400 is used for adjusting the force measurement pull rod 500 along the altitude position that the force measurement was located on the direction of force measurement, the one end connection of force measurement pull rod 500 be provided with the pendant of force measurement cell 300 looks adaptation, the other end connection of force measurement pull rod 500 is provided with the carrier, wherein, the carrier is force measurement hook 501.
Further, as shown in fig. 1 to fig. 4, in the embodiment of the present invention, the force measuring cell 300 includes a force measuring support 302, the force measuring support 302 is connected to the inner wall of the cell groove 201 in a supporting manner through a plurality of groups of force measuring strain gauges 301, the force measuring strain gauges 301 are used for detecting strain changes when the force measuring support 302 generates relative displacement in the cell groove 201, the strain changes are converted into resistance changes, and the resistance changes are converted into voltage changes by using a measuring circuit and are displayed and recorded, so as to obtain the magnitude of the load to be applied; when the device is specifically used, a measured object is mounted through the loading piece, then the measured object is released, and then the force measuring support 302 generates relative displacement in the element groove 201 by pulling the force measuring pull rod 500 to move, so that the strain change of the force measuring support 302 when the force measuring support 302 generates relative displacement in the element groove 201 is detected through the force measuring strain gauge 301, and further force measurement is realized.
Further, in the embodiment of the present invention, the force measuring support 302 is further fixedly provided with an arc-shaped supporting block 303 that is matched with the hanging piece, where the hanging piece includes:
an arc-shaped block 503, wherein the arc-shaped block 503 is matched with the arc-shaped supporting block 303;
The force measuring support plate 502 is rotatably supported at the top end of the force measuring pull rod 500, and the force measuring support plate 502 is fixedly connected with the arc-shaped block 503.
Preferably, in the embodiment of the present invention, the arc-shaped block 503 corresponds to the movement track of the arc-shaped supporting block 303, and when the disc seat 200 rotates relative to the housing 100, the arc-shaped block 503 abuts against the arc-shaped supporting block 303 of the corresponding force measuring element 300, so as to hang the pendant on the designated force measuring element 300, thereby implementing the force measuring process by using the current force measuring element 300.
Example 2
As shown in fig. 1-2, in an embodiment of the present invention, a multi-module load cell, the load cell includes:
A housing 100;
the disc seat 200 is coaxially supported and rotatably arranged in the shell 100, a plurality of groups of element grooves 201 are distributed on the disc seat 200 in a circumferential array, and a force measuring element 300 is arranged in each element groove 201;
The stroke adjustment mechanism 400, the stroke adjustment mechanism 400 supports fixedly to be set up on the cross support frame 101, cross support frame 101 fixed connection installs on casing 100, stroke adjustment mechanism 400 is used for adjusting the force measurement pull rod 500 along the altitude position that the force measurement was located on the direction of force measurement, the one end connection of force measurement pull rod 500 be provided with the pendant of force measurement cell 300 looks adaptation, the other end connection of force measurement pull rod 500 is provided with the carrier, wherein, the carrier is force measurement hook 501.
Further, as shown in fig. 1 to fig. 4, in the embodiment of the present invention, the force measuring cell 300 includes a force measuring support 302, the force measuring support 302 is connected to the inner wall of the cell groove 201 in a supporting manner through a plurality of groups of force measuring strain gauges 301, the force measuring strain gauges 301 are used for detecting strain changes when the force measuring support 302 generates relative displacement in the cell groove 201, the strain changes are converted into resistance changes, and the resistance changes are converted into voltage changes by using a measuring circuit and are displayed and recorded, so as to obtain the magnitude of the load to be applied; when the device is specifically used, a measured object is mounted through the loading piece, then the measured object is released, and then the force measuring support 302 generates relative displacement in the element groove 201 by pulling the force measuring pull rod 500 to move, so that the strain change of the force measuring support 302 when the force measuring support 302 generates relative displacement in the element groove 201 is detected through the force measuring strain gauge 301, and further force measurement is realized.
Further, in the embodiment of the present invention, the force measuring support 302 is further fixedly provided with an arc-shaped supporting block 303 that is matched with the hanging piece, where the hanging piece includes:
an arc-shaped block 503, wherein the arc-shaped block 503 is matched with the arc-shaped supporting block 303;
The force measuring support plate 502 is rotatably supported at the top end of the force measuring pull rod 500, and the force measuring support plate 502 is fixedly connected with the arc-shaped block 503.
Preferably, in the embodiment of the present invention, the arc-shaped block 503 corresponds to the movement track of the arc-shaped supporting block 303, and when the disc seat 200 rotates relative to the housing 100, the arc-shaped block 503 abuts against the arc-shaped supporting block 303 of the corresponding force measuring element 300, so as to hang the pendant on the designated force measuring element 300, thereby implementing the force measuring process by using the current force measuring element 300.
As shown in fig. 5 to 6, in the embodiment of the present invention, the stroke adjustment mechanism 400 includes a circular base 401 fixedly connected to the cross support frame 101, a spiral inclined plane 403 is provided on the circular base 401, a bottom plane 402 is provided along a bottom end of the spiral direction of the spiral inclined plane 403, a top plane 404 is provided along a top end of the spiral direction of the spiral inclined plane 403, the top end of the spiral inclined plane 403 is further provided with a top plane 404, the force measurement pull rod 500 is vertically slidably disposed through the spiral inclined plane 403, and the stroke adjustment mechanism 400 further includes a pressing wheel 406 supported on the force measurement pull rod 500.
Further, in the embodiment of the present invention, a limit stop 405 is fixedly supported on the circular base 401, and the limit stop 405 is used for limiting the movement stroke of the puck 406, and when the puck 406 abuts against the limit stop 405, it is described that the puck 406 abuts against the top plane 404.
Correspondingly, in the specific implementation of the stroke adjustment mechanism 400 provided by the invention, the force measurement pull rod 500 is rotated through operation, the rotating force measurement pull rod 500 drives the pressing wheel 406 to synchronously move, so that when the pressing wheel 406 moves along the spiral inclined plane 403 to be abutted against the top plane 404, the stroke limit support of the stroke adjustment mechanism 400 on the force measurement pull rod 500 is at the top point, at this time, the hanging piece is opposite to the motion track of the force measurement element 300, and then when the disc seat 200 rotates relative to the shell 100, the hanging piece can be hung on the corresponding force measurement element 300, then the force measurement pull rod 500 is reversely rotated, the pressing wheel 406 is in a suspended state, at this time, the force measurement pull rod 500 can be pulled to realize displacement change, and then under the pulling action of the hanging piece, the strain change when the force measurement support 302 generates relative displacement in the element groove 201 is detected through the force measurement strain gauge 301, so as to realize force measurement.
With continued reference to fig. 1-3, in an embodiment of the present invention, an adjusting mechanism for adjusting the rotation angle of the disc seat 200 is disposed on the housing 100.
Specifically, as shown in fig. 3 and 7, in the embodiment of the present invention, the adjusting mechanism includes:
the adjusting cylinder 202 is rotatably arranged on the shell 100, a rectangular block 207 is slidably arranged in the adjusting cylinder 202 through a supporting spring 208, and the adjusting cylinder 202 is fixedly connected with the disc seat 200 in a coaxial manner.
The adjusting disk 203, the adjusting disk 203 is fixedly installed at one end of an adjusting shaft 206, the other end of the adjusting shaft 206 is arranged in the adjusting cylinder 202 in a penetrating and sliding manner, and the other end of the adjusting shaft 206 is fixedly connected with the rectangular block 207.
It will be appreciated that in the embodiment of the present invention, the adjustment disc 203 is operated to rotate the adjustment cylinder 202, so as to rotate the disc seat 200 relative to the housing 100, thereby aligning the pendants with different load cells 300.
Further, in the embodiment of the present invention, the housing 100 is further fixedly provided with a limit guide post 105, the outer ring of the adjusting disc 203 is provided with a plurality of limit grooves 204 adapted to the limit guide post 105, and the adjusting disc 203 is supported and fixedly provided with an adjusting handle 205.
Therefore, in the embodiment of the present invention, the limiting guide posts 105 are disengaged from the limiting slots 204 by pulling the adjusting handle 205, and then the adjusting disk 203 can be operated to drive the disk seat 200 to rotate, otherwise, when the adjusting disk 203 is released, the limiting guide posts 105 are abutted against the corresponding limiting slots 204 under the elastic supporting action of the supporting springs 208, so as to play a role in limiting the rotation of the adjusting disk 203, that is, limiting the rotation of the disk seat 200 relative to the housing 100.
Further, in the embodiment of the present invention, the housing 100 is fixedly supported on the support base 102, a support sleeve 103 matched with the force measuring pull rod 500 is fixedly disposed on the support base 102, the support sleeve 103 is made of transparent plastic, and the support sleeve 103 has graduations for measuring the displacement of the force measuring pull rod 500 along the force measuring direction, so as to determine whether the pressing wheel 406 is located on the top plane 404.
Further, in the embodiment of the present invention, a fixing support plate 104 is further disposed on the cross support frame 101, and the force measuring pull rod 500 is vertically penetrating and slidably disposed on the fixing support plate 104.
Further, as shown in fig. 8, in order to avoid the arc-shaped block 503 rotating when the force measuring pull rod 500 rotates, in the embodiment of the present invention, a limit guide rod 504 is further provided on the fixing support plate 104 in a penetrating and sliding manner, and the top end of the limit guide rod 504 is fixedly connected with the force measuring support plate 502, so that the force measuring pull rod 500 does not rotate when rotating through the limit guide of the limit guide rod 504.
The above embodiments are merely illustrative of a preferred embodiment, but are not limited thereto. In practicing the present invention, appropriate substitutions and/or modifications may be made according to the needs of the user.
The number of equipment and the scale of processing described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be readily apparent to those skilled in the art.
Although embodiments of the invention have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (4)
1. A multi-module load cell, said load cell comprising:
A housing;
The disc seat is coaxially supported and rotatably arranged in the shell, a plurality of groups of element grooves are distributed on the disc seat in a circumferential array manner, and a force measuring element is arranged in each element groove;
the stroke adjusting mechanism is fixedly arranged on the cross support frame in a supporting way, the cross support frame is fixedly connected and arranged on the shell, the stroke adjusting mechanism is used for adjusting the height position of the force measuring pull rod along the force measuring direction, one end of the force measuring pull rod is connected and provided with a hanging piece matched with the force measuring element, and the other end of the force measuring pull rod is connected and provided with a carrying piece;
the force measuring element comprises a force measuring support seat, the force measuring support seat is connected with the inner wall of the element groove through a plurality of groups of force measuring strain gauges in a supporting way, and the force measuring strain gauges are used for detecting strain changes when the force measuring support seat generates relative displacement in the element groove;
The force measuring support is also fixedly provided with an arc-shaped supporting block matched with the hanging piece, wherein the hanging piece comprises: the arc-shaped block is matched with the arc-shaped supporting block;
the force measuring support plate is rotatably arranged at the top end of the force measuring pull rod, and is fixedly connected with the arc-shaped block;
The arc-shaped block corresponds to the motion trail of the arc-shaped supporting block;
The stroke adjusting mechanism comprises a round base fixedly connected to the cross support frame, a spiral inclined plane which is upwards spiral is arranged on the round base, a bottom plane is arranged along the bottom end of the spiral inclined plane in the spiral direction, a top plane is arranged along the top end of the spiral inclined plane in the spiral direction, the force measuring pull rod vertically slides and penetrates through the spiral inclined plane, and the stroke adjusting mechanism further comprises a pressing wheel which is supported and arranged on the force measuring pull rod;
the round base is also fixedly supported with a limit stop which is used for limiting the movement travel of the pinch roller;
The shell is provided with an adjusting mechanism for adjusting the rotation angle of the disc seat, and the adjusting mechanism comprises: the adjusting cylinder is rotationally arranged on the shell, a rectangular block is slidably arranged in the adjusting cylinder through a supporting spring, and the adjusting cylinder is coaxially and fixedly connected with the disc seat;
The adjusting disc is fixedly arranged at one end of the adjusting shaft, the other end of the adjusting shaft is arranged in the adjusting cylinder in a penetrating and sliding mode, and the other end of the adjusting shaft is fixedly connected with the rectangular block.
2. The multi-module load cell of claim 1, wherein the housing is further fixedly provided with a limit guide post, the outer ring of the adjusting disk is provided with a plurality of limit grooves adapted to the limit guide post, and the adjusting disk is fixedly provided with an adjusting handle.
3. The multi-module load cell of claim 1, wherein the housing is fixedly supported on a support base, a support sleeve is fixedly arranged on the support base and matched with the load cell, the support sleeve is made of transparent plastic, and scales are arranged on the support sleeve.
4. The multi-module load cell of claim 1, wherein a fixed support plate is further provided on the cross support frame, and the load cell rod is vertically and slidably provided on the fixed support plate in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211652950.3A CN116105902B (en) | 2022-12-21 | 2022-12-21 | Multi-module force transducer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211652950.3A CN116105902B (en) | 2022-12-21 | 2022-12-21 | Multi-module force transducer |
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| Publication Number | Publication Date |
|---|---|
| CN116105902A CN116105902A (en) | 2023-05-12 |
| CN116105902B true CN116105902B (en) | 2024-06-07 |
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| CN202211652950.3A Active CN116105902B (en) | 2022-12-21 | 2022-12-21 | Multi-module force transducer |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB840506A (en) * | 1957-03-04 | 1960-07-06 | Rolls Royce | Improvements in or relating to testing apparatus, for example, for testing turbine and compressor rotor discs |
| CN102798331A (en) * | 2011-05-24 | 2012-11-28 | 鸿富锦精密工业（深圳）有限公司 | Device for detecting stress deformation value |
| CN104964782A (en) * | 2015-06-12 | 2015-10-07 | 雄华机械(苏州)有限公司 | Combined force-measuring equipment for automobile steering wheel position adjustment device |
| CN109029818A (en) * | 2018-09-12 | 2018-12-18 | 燕山大学 | With the inserted six-dimension force-measuring platform from centering decoupling dynamometry branch |
| CN110088585A (en) * | 2016-11-28 | 2019-08-02 | Tq系统公司 | Electric Drive element, torque-measuring apparatus and flywheel assembly |
| CN217331477U (en) * | 2022-04-02 | 2022-08-30 | 凌云(宜昌)航空装备工程有限公司 | Fixed sliding block structure of force transducer of aircraft jack |
| CN115265883A (en) * | 2022-07-08 | 2022-11-01 | 北方联合电力有限责任公司包头第二热电厂 | Monitoring module and monitoring method for axial thrust of steam turbine |
-
2022
- 2022-12-21 CN CN202211652950.3A patent/CN116105902B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB840506A (en) * | 1957-03-04 | 1960-07-06 | Rolls Royce | Improvements in or relating to testing apparatus, for example, for testing turbine and compressor rotor discs |
| CN102798331A (en) * | 2011-05-24 | 2012-11-28 | 鸿富锦精密工业（深圳）有限公司 | Device for detecting stress deformation value |
| CN104964782A (en) * | 2015-06-12 | 2015-10-07 | 雄华机械(苏州)有限公司 | Combined force-measuring equipment for automobile steering wheel position adjustment device |
| CN110088585A (en) * | 2016-11-28 | 2019-08-02 | Tq系统公司 | Electric Drive element, torque-measuring apparatus and flywheel assembly |
| CN109029818A (en) * | 2018-09-12 | 2018-12-18 | 燕山大学 | With the inserted six-dimension force-measuring platform from centering decoupling dynamometry branch |
| CN217331477U (en) * | 2022-04-02 | 2022-08-30 | 凌云(宜昌)航空装备工程有限公司 | Fixed sliding block structure of force transducer of aircraft jack |
| CN115265883A (en) * | 2022-07-08 | 2022-11-01 | 北方联合电力有限责任公司包头第二热电厂 | Monitoring module and monitoring method for axial thrust of steam turbine |
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