CN110261024B - Torque force detection device of slipping mechanism on screw rod - Google Patents
Torque force detection device of slipping mechanism on screw rod Download PDFInfo
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- CN110261024B CN110261024B CN201910610067.XA CN201910610067A CN110261024B CN 110261024 B CN110261024 B CN 110261024B CN 201910610067 A CN201910610067 A CN 201910610067A CN 110261024 B CN110261024 B CN 110261024B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 56
- 238000001514 detection method Methods 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 abstract description 8
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 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
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0042—Force sensors associated with force applying means applying a torque
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- Analytical Chemistry (AREA)
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- General Physics & Mathematics (AREA)
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Abstract
The invention aims to provide a detection device which is convenient for a slipping mechanism on a screw rod to conduct torsion test. The utility model provides a mechanism torsion detection device that skids on lead screw, is equipped with torsion output mechanism, torsion transmission mechanism and fixing base from top to bottom in proper order, is equipped with the sensor on torsion output mechanism or the torsion transmission mechanism, be equipped with upward opening on the fixing base in order with lead screw matched with internal thread hole of lead screw subassembly, torsion transmission mechanism includes first linkage piece, second linkage piece, and first linkage piece is located second linkage piece upside and fixed and the linkage of torsion output mechanism, the second linkage piece includes supporting part and ring gear portion from top to bottom in proper order, ring gear portion inner edge is formed with the tooth portion that meshes with the gear of lead screw subassembly, and the second linkage piece is placed on lead screw subassembly tip so that the supporting part supports the gear upside, be equipped with the linkage structure that can mutually support between second linkage piece and the first linkage piece.
Description
Technical Field
The invention relates to a torsion detection device for a slipping mechanism on a screw rod.
Background
Some screw rod assemblies are provided with a slipping mechanism, the slipping mechanism comprises a gear sleeved outside the screw rod, a slipping assembly between the gear and the screw rod, and the slipping mechanism of the screw rod assembly is required to carry out torsion detection after being assembled.
The torque force is usually transmitted by matching a driving motor and a sensor, so that the model generated by the sensor can be used for obtaining a test value of the torque force.
When the slipping mechanism is installed, only the vertical arrangement of the screw rods is needed to be maintained, then parts are arranged on the end parts of the screw rods one by one, and finally the slipping mechanism is tightly pressed and locked through bolts and gaskets.
Disclosure of Invention
The invention aims to provide a detection device which is convenient for a slipping mechanism on a screw rod to conduct torsion test.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a mechanism torsion detection device that skids on lead screw, is equipped with torsion output mechanism, torsion transmission mechanism and fixing base from top to bottom in proper order, is equipped with the sensor on torsion output mechanism or the torsion transmission mechanism, be equipped with upward opening on the fixing base in order with lead screw matched with internal thread hole of lead screw subassembly, torsion transmission mechanism includes first linkage piece, second linkage piece, first linkage piece is located second linkage piece upside and fixed and the linkage of torsion output mechanism, the second linkage piece includes supporting part and ring gear portion from top to bottom in proper order, ring gear portion inner edge is formed with the tooth portion that meshes with the gear of lead screw subassembly, and the second linkage piece is placed on lead screw subassembly tip so that the supporting part supports the gear upside, be equipped with the linkage structure that can mutually support between second linkage piece and the first linkage piece, the fixing base is fixed in first drive arrangement output under the effect, lead screw subassembly on the fixing base upwards moves in order to make second linkage piece and first linkage piece cooperation.
When the device is used, the screw rod is in threaded fit on the fixed seat, the screw rod is prevented from rotating through the fixed seat and is vertically kept, then the second linkage block is placed on the slipping mechanism at the end part of the screw rod, so that the annular gear part of the second linkage block is meshed with the gear on the screw rod, the supporting part of the second linkage block is pressed on the gear, the first driving device is started to lift the screw rod, so that the second linkage block is matched with the first linkage block, the torsion output mechanism is started to realize torsion test, and the torsion test value is obtained through the sensor. Wherein, the invention 'upper' and 'lower', 'left' and 'right', 'front' and 'rear' are only used for representing the positions of two opposite sides of the component, and not the actual orientation of the component.
Preferably, the interlocking structure includes a concave portion and a convex portion formed between an axial side of the first interlocking block and an axial side of the second interlocking block, the convex portion being capable of being entered into or exited from the concave portion. The convex portion may be provided on the first linkage block, and the concave portion may be provided on the second linkage block; or the concave part is arranged on the first linkage block, and the convex part is arranged on the second linkage block; or a plurality of convex parts and concave parts are arranged on the lower axial surface of the first linkage block and the upper axial surface of the second linkage block.
Preferably, the first linkage block or the second linkage block is provided with a plurality of concave parts on the axial surface, the concave parts are of arc-shaped groove structures, and the circle centers of the arcs of the concave parts are concentric. The arrangement is such that the male part can more easily enter the female part.
Preferably, the first linkage block or the second linkage block is formed with a receiving groove, a compression spring and the convex part are arranged in the receiving groove, and the convex part is stressed to enable the compression spring to compress and enable the convex part to partially or completely move into the receiving groove. The arrangement ensures that the device is more convenient to use, and the convex part and the concave part do not need to be aligned; when the convex part and the concave part are not aligned, the first driving device lifts the second linkage block to enable the convex part to be partially or completely retracted into the accommodating groove, then the torsion output mechanism enables the first linkage block to rotate, and during the rotation process of the first linkage block, the convex part moves to the axial side of the concave part to align the convex part with the concave part, so that the convex part is pushed into the concave part by the compression spring, and the cooperation of the linkage structure is achieved.
Preferably, the fixing seat is composed of a fixing block and a positioning block, the fixing block is provided with an upward opening placing groove, the positioning block is placed in the placing groove, the positioning block is provided with an upward opening internal threaded hole, and a positioning protrusion and a positioning groove which are matched with each other to limit the rotation of the positioning block are arranged between the circumferential outer wall of the positioning block and the circumferential inner wall of the placing groove of the fixing block. The device can be used for torsion testing of the slipping mechanism on the screw rods of different types by changing the positioning blocks to adapt to the screw rods of different types.
Preferably, the supporting part and the annular gear part are two parts which are mutually independent, the supporting part and the annular gear part are fixedly connected together through a fastener, and a linkage structure which can be mutually matched is arranged between the supporting part and the first linkage block. The inner gear ring can be replaced to adapt to gears of different types on the screw rod, so that the device can be used for torsion testing of slipping mechanisms on screw rods of different types.
Preferably, the fixing seat is provided with a fixing cylinder, the fixing cylinder is provided with a yielding groove for yielding the screw rod, and the groove wall at the upper end of the yielding groove extends outwards in the circumferential direction to form a supporting groove for supporting the component on the screw rod assembly. The fixed cylinder is used for supporting parts on the screw rod so as to avoid the inclination of the screw rod as much as possible and ensure the testing precision.
Preferably, the first driving device is arranged at the output end of the second driving device, and the second driving device is used for enabling the first driving device and the fixing seat to move forwards and backwards. The above-mentioned setting is in order to detect the workman and place the lead screw on the fixing base.
Preferably, an electric batch support is arranged on the side face of the torque output mechanism, a first rotary plate capable of lifting is arranged on the electric batch support, a second rotary plate is rotatably fixed at the end of the first rotary plate, and an electric drill is arranged on the second rotary plate. The device can be used for assisting in assembling a slipping mechanism on the screw rod, and the electric drill is used for conveniently locking the rotation of the bolt on the slipping mechanism.
The invention has the advantage of being capable of detecting the torsion of the slipping mechanism on the screw rod.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is an enlarged view at a of fig. 2.
Fig. 4 is a schematic structural view of a supporting portion of the second linkage block according to the present invention.
Fig. 5 is a schematic structural view of an inner gear ring portion of a second linkage block according to the present invention.
Fig. 6 is a schematic structural view of the fixing base of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and specific embodiments.
As shown in fig. 1 to 6, the torque detecting device for a sliding mechanism on a screw rod of the present invention is sequentially provided with a torque output mechanism, a torque transmission mechanism and a fixing seat from top to bottom, wherein the torque output mechanism comprises a servo motor 11, a speed reducer 12 and a sensor 13, the torque transmission mechanism comprises a first linkage block 2 and a second linkage block 3, an internal threaded hole 15 which is opened upwards to be matched with a screw rod 14 of the screw rod assembly is arranged on the fixing seat, the first linkage block 2 is positioned on the upper side of the second linkage block 3 and is fixed and linked with the torque output mechanism through a coupler, the second linkage block 3 sequentially comprises a supporting part 31 and an annular gear part 32 from top to bottom, a tooth part 33 which is meshed with a gear 16 of the screw rod assembly is formed on the inner edge of the annular gear part 32, the second linkage block 3 is placed on the end part of the screw rod assembly so that the supporting part 31 is supported on the upper side of the gear 33, a linkage structure which can be matched with each other is arranged between the second linkage block 3 and the first linkage block 1, the fixing seat 1 is fixed on a lifting plate 41, the lifting plate 41 is fixed on the output end of the first driving device 4, and under the action of the first driving device 4, the upper linkage block 3 moves upwards to the first linkage block 2.
The torque output mechanism is fixed on the workbench 43 through the upper bracket 42, the second driving device 45 is fixed on the lower side of the workbench 43 through the lower bracket 44, the first driving device 4 is fixed on the output end of the second driving device 45, and the second driving device 45 is used for enabling the first driving device 4 and the fixing seat to move forwards and backwards. The first driving device 4 is a lifting cylinder, and the second driving device 45 is a linear cylinder.
The interlocking structure includes a concave portion 34 and a convex portion 21 formed between the axial sides of the first interlocking block 2 and the second interlocking block 3, and the convex portion 21 can enter the concave portion 34 or escape from the concave portion 34. The second linkage block 3 is provided with two concave parts 34 on the axial surface, the concave parts 34 are arc-shaped groove structures, and the circle centers of the arcs of the two concave parts 34 are concentric. The first linkage block 2 is formed with a receiving groove 22, a compression spring and a protrusion 21 are provided in the receiving groove 22, and the protrusion 21 is forced to compress the compression spring and move part or all of the protrusion 21 into the receiving groove 22. Wherein, the convex part 21 is thicker and thinner, and the inner diameter of the opening at the lower end of the accommodating groove 22 is smaller than the outer diameter of the thicker part of the convex part 21. The supporting part 31 and the annular gear part 32 of the second linkage block 3 are two mutually independent parts, the supporting part 31 and the annular gear part 32 are connected and fixed together through fasteners, and a linkage structure capable of being mutually matched is arranged between the supporting part 31 and the first linkage block 2.
The fixing seat is composed of a fixing block 51 and a locating block 52, the fixing block 51 is provided with a placing groove penetrating up and down, the fixing block 51 is fixed on the lifting plate 41, the locating block 52 is placed in the placing groove, the locating block 52 is provided with the internal threaded hole 15 which is opened upwards, and a locating protrusion 53 and a locating groove which are matched with each other to limit the rotation of the locating block 52 are arranged between the circumferential outer wall of the locating block 52 and the circumferential inner wall of the placing groove of the fixing block 51.
The lifting plate 41 is provided with a fixed cylinder 54, the fixed cylinder 54 is sleeved outside the fixed block 51 of the fixed seat, the fixed cylinder 54 is provided with a yielding groove 55 for yielding the screw rod 14, and the groove wall at the upper end of the yielding groove 55 extends outwards in the circumferential direction to form a supporting groove 56 for supporting the components on the screw rod assembly.
The side of the torque output mechanism is provided with an electric batch support 7, the electric batch support 7 is provided with a first rotary plate 71 which can be lifted, the end part of the first rotary plate 71 is rotatably fixed with a second rotary plate 72, and the second rotary plate 72 is provided with an electric drill. The electric batch holder 7 is a commercially available existing product.
The invention has the advantages of capability of detecting the torsion of the slipping mechanism on the screw rod and being used for assisting the assembly of the slipping mechanism on the screw rod.
Claims (6)
1. The torque detection device for the screw rod upper slipping mechanism is characterized in that a torque output mechanism, a torque transmission mechanism and a fixed seat are sequentially arranged from top to bottom, a sensor is arranged on the torque output mechanism or the torque transmission mechanism, an upward opening is arranged on the fixed seat so as to be matched with a screw rod of a screw rod assembly, the torque transmission mechanism comprises a first linkage block and a second linkage block, the first linkage block is positioned on the upper side of the second linkage block and is fixed and linked with the torque output mechanism, the second linkage block sequentially comprises a supporting part and an annular gear part from top to bottom, a tooth part meshed with a gear of the screw rod assembly is formed at the inner edge of the annular gear part, the second linkage block is placed on the end part of the screw rod assembly so that the supporting part is supported on the upper side of the gear, a linkage structure capable of being matched with each other is arranged between the second linkage block and the first linkage block, and the fixed seat is fixed at the output end of a first driving device, and under the action of the first driving device, the screw rod assembly on the fixed seat moves upward so that the second linkage block is matched with the first linkage block;
the linkage structure comprises a concave part and a convex part which are formed between the axial sides of the first linkage block and the second linkage block, and the convex part can enter into the concave part or be separated from the concave part;
the fixing seat is composed of a fixing block and a positioning block, the fixing block is provided with a placing groove which is opened upwards, the positioning block is placed in the placing groove, the positioning block is provided with an internal threaded hole which is opened upwards, and a positioning protrusion and a positioning groove which are matched with each other to limit the rotation of the positioning block are arranged between the circumferential outer wall of the positioning block and the circumferential inner wall of the placing groove of the fixing block;
the supporting part and the annular gear part are two mutually independent parts, the supporting part and the annular gear part are connected and fixed together through a fastener, and a linkage structure capable of being matched with each other is arranged between the supporting part and the first linkage block.
2. The device for detecting the torsion of the sliding mechanism on the screw rod according to claim 1, wherein a plurality of concave parts are formed on the axial surface of the first linkage block or the second linkage block, the concave parts are of arc-shaped groove structures, and the circle centers of arcs of the concave parts are concentric.
3. The on-lead screw slip mechanism torque force detection device according to claim 1 or 2, wherein the first linkage block or the second linkage block is formed with a receiving groove in which a compression spring and the convex portion are provided, the convex portion being forced to compress the compression spring and move part or all of the convex portion into the receiving groove.
4. The on-screw slip mechanism torque force detection device according to claim 1, wherein the fixing base is provided with a fixing cylinder, the fixing cylinder is provided with a yielding groove for yielding the screw, and the groove wall at the upper end of the yielding groove extends to the circumferential outside to form a supporting groove for supporting a component on the screw assembly.
5. The device for detecting torsion of a slip mechanism on a screw as claimed in claim 1, wherein the first driving means is provided at an output end of the second driving means, and the second driving means is used for moving the first driving means and the fixing base back and forth.
6. The device for detecting torsion of a slip mechanism on a screw rod according to claim 5, wherein an electric screwdriver support is arranged on the side face of the torsion output mechanism, a first rotating plate capable of lifting is arranged on the electric screwdriver support, a second rotating plate is rotatably fixed at the end of the first rotating plate, and an electric drill is arranged on the second rotating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610067.XA CN110261024B (en) | 2019-07-08 | 2019-07-08 | Torque force detection device of slipping mechanism on screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610067.XA CN110261024B (en) | 2019-07-08 | 2019-07-08 | Torque force detection device of slipping mechanism on screw rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110261024A CN110261024A (en) | 2019-09-20 |
| CN110261024B true CN110261024B (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910610067.XA Active CN110261024B (en) | 2019-07-08 | 2019-07-08 | Torque force detection device of slipping mechanism on screw rod |
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| CN (1) | CN110261024B (en) |
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Effective date of registration: 20231102 Address after: 322100 Hengdian Electronic Industrial Park, Dongyang City, Jinhua City, Zhejiang Province Applicant after: ZHEJIANG LINIX MOTOR Co.,Ltd. Address before: 322118 No. 196 Industrial Avenue, Hengdian Electronic Industrial Park, Dongyang City, Jinhua City, Zhejiang Province Applicant before: HENGDIAN GROUP INNUOVO ELECTRIC Co.,Ltd. |
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