CN109781339B - A mark frock for winch stress pin - Google Patents
A mark frock for winch stress pin Download PDFInfo
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- CN109781339B CN109781339B CN201910002389.6A CN201910002389A CN109781339B CN 109781339 B CN109781339 B CN 109781339B CN 201910002389 A CN201910002389 A CN 201910002389A CN 109781339 B CN109781339 B CN 109781339B
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- stress pin
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- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000003351 stiffener Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention discloses a calibration tool for a winch stress pin, and belongs to the field of detection tools. The calibrating tool comprises a mounting seat, a force application seat, a driving assembly and a standard stress pin, the mounting seat and the force application seat are arranged at intervals, the mounting seat and the force application seat are sleeved on the standard stress pin, the force application seat is used for abutting against the stress pin to be tested of the winch, the driving assembly is mounted on the mounting seat, the mounting seat is connected with a frame of the winch through the driving assembly, and the driving assembly is used for driving the mounting seat to move towards or back to the stress pin to be tested. The invention can reduce the cost of stress pin calibration and simplify the calibration process.
Description
Technical Field
The invention belongs to the field of detection tools, and particularly relates to a calibration tool for a winch stress pin.
Background
The large cable winch is a marine winch and is used for winding a large mooring cable of a crude oil export device. In order to realize the emergency release function of the large-cable winch, an emergency release device is usually arranged on the large-cable winch, and a stress pin is an important component in the emergency release device and is used for detecting the tension force applied to the mooring large cable and outputting the tension force in an electric signal mode.
In order to ensure that the tension corresponding to the electric signal output by the stress pin is the same as the tension applied to the stress pin, the stress pin needs to be calibrated before being used.
The calibration method commonly used at present is to simulate the tension received by the stress pin by arranging a special test winch or a test tower, so that the calibration cost is high and the calibration process is complicated.
Disclosure of Invention
The embodiment of the invention provides a calibration tool for a winch stress pin, which can reduce the cost of stress pin calibration and simplify the calibration process. The technical scheme is as follows:
the embodiment of the invention provides a calibration tool for a winch stress pin, which comprises a mounting seat, a force application seat, a driving assembly and a standard stress pin, wherein the mounting seat and the force application seat are arranged at intervals, the mounting seat and the force application seat are sleeved on the standard stress pin, the force application seat is used for abutting against the stress pin to be tested of a winch, the driving assembly is mounted on the mounting seat, the mounting seat is connected with a rack of the winch through the driving assembly, and the driving assembly is used for driving the mounting seat to move towards or away from the stress pin to be tested.
In an implementation manner of the present invention, the mounting base includes a first ear plate, a second ear plate, a first connecting plate and a second connecting plate, the first ear plate and the second ear plate are respectively and alternately sleeved on the standard stress pin, the first connecting plate is respectively and fixedly connected to one end of the first ear plate and one end of the second ear plate, and the second connecting plate is respectively and fixedly connected to the other end of the first ear plate and the other end of the second ear plate.
In another implementation manner of the present invention, the mounting base further includes a reinforcing rib, one end of the reinforcing rib is fixed to the first ear plate, and the other end of the reinforcing rib is fixed to the second ear plate.
In another implementation manner of the present invention, the mounting seat further includes two clamping plates, the outer walls of the two ends of the standard stress pin are provided with clamping grooves, one of the clamping plates is fixed on the first ear plate and inserted into one of the clamping grooves, and the other clamping plate is fixed on the second ear plate and inserted into the other clamping groove.
In another implementation of the present invention, the driving assembly includes at least four stud bolts and nuts corresponding to the stud bolts, one part of the stud bolts is axially slidably inserted into the first connecting plate, the other part of the stud bolts is axially slidably inserted into the second connecting plate, each nut is respectively sleeved on one end of the corresponding stud bolt, and the other end of each stud bolt is used for being inserted into the rack.
In another implementation manner of the present invention, the driving assembly further includes washers corresponding to the stud bolts, each of the washers is respectively sleeved on the corresponding stud bolt, the washer on the first connecting plate is clamped between the first connecting plate and the corresponding nut, and the washer on the second connecting plate is clamped between the second connecting plate and the corresponding nut.
In another implementation manner of the present invention, the force application seat includes a sleeve, a support and a base, the sleeve is sleeved on the standard stress pin, the sleeve is located between the first ear plate and the second ear plate, the base is connected to the sleeve through the support, and the base is used for abutting against the stress pin to be tested.
In another implementation manner of the present invention, the force application seat includes two of the support seats, the two support seats are arranged at intervals, and both of the two support seats are located between the first ear plate and the second ear plate.
In another implementation manner of the present invention, the force application base further includes a pad fixed on the base, and the pad and the support are respectively located on two opposite sides of the base.
In yet another implementation of the present invention, the pad is a rubber plate.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
when the stress pin is calibrated through the calibration tool provided by the embodiment of the invention, the mounting seat is connected with the frame of the winch through the driving device; then, driving the driving device to enable the driving device to drive the mounting seat to move towards the direction of the stress pin to be tested, and enabling the mounting seat and the force application seat to be connected together through the standard stress pin, so that the force application seat also moves towards the stress pin to be tested along with the mounting seat until the force application seat is abutted against the stress pin to be tested; and then, continuously driving the driving device to enable the force application seat to apply an acting force to the stress pin to be tested, wherein the standard stress pin is subjected to the same acting force under the reaction force, namely, whether the stress pin to be tested is qualified or not can be detected by comparing the acting force output by the standard stress pin with the acting force output by the stress pin to be tested. The calibration tool provided by the embodiment of the invention can calibrate the stress pin to be tested through simple operation without arranging a test winch or a test tower, so that the calibration cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in 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 creative efforts.
Fig. 1 is a schematic structural diagram of a calibration tool provided in an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a calibration fixture according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a force application seat according to an embodiment of the present invention;
the symbols in the drawings represent the following meanings:
1-a mounting seat, 11-a first lug plate, 12-a second lug plate, 13-a first connecting plate, 14-a second connecting plate, 15-a reinforcing rib, 16-a clamping plate, 2-a force application seat, 21-a sleeve, 22-a support, 23-a base, 24-a cushion plate, 3-a driving component, 31-a stud bolt, 32-a nut, 33-a gasket, 4-a standard stress pin, 100-a stress pin to be tested, 200-a frame,
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The embodiment of the invention provides a calibration tool for a winch stress pin, and as shown in fig. 1, the calibration tool comprises an installation seat 1, a force application seat 2, a driving component 3 and a standard stress pin 4, wherein the installation seat 1 and the force application seat 2 are arranged at intervals, the installation seat 1 and the force application seat 2 are sleeved on the standard stress pin 4, the force application seat 2 is used for abutting against a stress pin 100 to be tested of a winch, the driving component 3 is installed on the installation seat 1, the installation seat 1 is connected with a rack 200 of the winch through the driving component 3, and the driving component 3 is used for driving the installation seat 1 to move towards or away from the stress pin 100 to be tested.
When the stress pin is calibrated by the calibration tool provided by the embodiment of the invention, firstly, the mounting seat 1 and the frame 200 of the winch are connected together by the driving device (see fig. 2); then, driving the driving device to enable the driving device to drive the mounting base 1 to move towards the direction of the stress pin 100 to be tested, and since the mounting base 1 and the force application base 2 are connected together through the standard stress pin 4, the force application base 2 also moves towards the stress pin 100 to be tested along with the standard stress pin until the force application base 2 abuts against the stress pin 100 to be tested; then, the driving device is continuously driven, so that the force application seat 2 applies an acting force to the stress pin 100 to be tested, and under the reaction force, the standard stress pin 4 also receives the same acting force, that is, by comparing the acting force output by the standard stress pin 4 with the acting force output by the stress pin 100 to be tested, whether the stress pin 100 to be tested is qualified can be detected. The calibration tool provided by the embodiment of the invention can calibrate the stress pin 100 to be tested through simple operation, and a test winch or a test tower does not need to be arranged, so that the calibration cost is reduced.
With reference to fig. 1, in the present embodiment, the mounting base 1 includes a first ear plate 11, a second ear plate 12, a first connecting plate 13 and a second connecting plate 14, the first ear plate 11 and the second ear plate 12 are respectively mounted on the standard stress pin 4 at intervals, the first connecting plate 13 is fixedly connected to one end of the first ear plate 11 and one end of the second ear plate 12, and the second connecting plate 14 is fixedly connected to the other end of the first ear plate 11 and the other end of the second ear plate 12.
In the above implementation, the first ear plate 11 and the second ear plate 12 are used to be sleeved on the standard stress pin 4 and function to connect to the standard stress pin 4, and the first connecting plate 13 and the second connecting plate 14 function to connect the first ear plate 11 and the second ear plate 12 into a whole. In addition, the first lug plate 11, the second lug plate 12, the first connecting plate 13 and the second connecting plate 14 form a space surrounding the standard stress pin 4 and the force application seat 2, so that the structural compactness of the calibration tool is improved.
Preferably, the first ear plate 11, the second ear plate 12, the first connecting plate 13 and the second connecting plate 14 can be of an integrated structure, so that the structural integrity of the mounting base 1 is ensured, and the structural strength of the mounting base 1 is improved.
Specifically, the mounting base 1 further includes a reinforcing rib 15, one end of the reinforcing rib 15 is fixed on the first ear plate 11, and the other end of the reinforcing rib 15 is fixed on the second ear plate 12.
In the above implementation, one reinforcing rib 15 as shown in fig. 1 may be disposed between the first ear plate 11 and the second ear plate 12, or a plurality of reinforcing ribs 15, for example, two or three reinforcing ribs, may be disposed as required, and the present invention is not limited thereto.
Optionally, a stiffener 15 is provided at the outer edge of the first and second ear plates 11, 12, thereby avoiding interference of the stiffener 15 with the standard stress pin 4 and the force application socket 2. When the mounting base 1 comprises a plurality of reinforcing ribs 15, the plurality of reinforcing ribs 15 are sequentially arranged at intervals along the outer edges of the first lug plate 11 and the second lug plate 12, and the reinforcing ribs 15 are parallel to each other.
Optionally, the mounting base 1 further includes two clamping plates 16, the outer walls of the two ends of the standard stress pin 4 are provided with clamping grooves, one clamping plate 16 is fixed on the first ear plate 11 and inserted into one clamping groove, and the other clamping plate 16 is fixed on the second ear plate 12 and inserted into the other clamping groove.
In the above implementation, the two catch plates 16 are both fixedly mounted on the first ear plate 11 or the second ear plate 12 by bolts, so as to realize the detachable mounting of the catch plates 16.
In the present embodiment, the driving assembly 3 includes at least four stud bolts 31 and nuts 32 corresponding to the stud bolts 31 one by one, a part of the stud bolts 31 is axially slidably inserted in the first connecting plate 13, another part of the stud bolts 31 is axially slidably inserted in the second connecting plate 14, each nut 32 is respectively sleeved on one end of the corresponding stud bolt 31, and the other end of each stud bolt 31 is used for being inserted in the rack 200.
In the above implementation, the nut 32 is screwed to push the mounting base 1 to move toward the direction of the stress pin 100 to be tested, so as to apply a force.
It should be noted that the thread directions of the two ends of the stud bolt 31 should be the same to avoid affecting the connection between the stud bolt 31 and the frame 200 when screwing the nut 32.
Optionally, the driving assembly 3 further includes washers 33 corresponding to the studs 31, the washers 33 are respectively sleeved on the corresponding studs 31, the washer 33 on the first connecting plate 13 is clamped between the first connecting plate 13 and the corresponding nut 32, and the washer 33 on the second connecting plate 14 is clamped between the second connecting plate 14 and the corresponding nut 32.
In the above implementation, the washer 33 can increase the force application area of the nut 32 on the first link plate 13 or the second link plate to better push the movement of the mounting seat 1.
Fig. 3 is a schematic structural diagram of the force application base, and with reference to fig. 3, in this embodiment, the force application base 2 includes a sleeve 21, a support 22, and a base 23, the sleeve 21 is sleeved on the standard stress pin 4, the sleeve 21 is located between the first ear plate 11 and the second ear plate 12, the base 23 is connected with the sleeve 21 through the support 22, and the base 23 is used for abutting against the stress pin 100 to be tested.
In the above implementation manner, the force application seat 2 is sleeved on the standard stress pin 4 through the sleeve 21, so as to increase the contact area between the force application seat 2 and the standard stress pin 4 and improve the installation stability between the force application seat 2 and the standard stress pin 4.
Preferably, the base may be a plate-shaped structure, so that the base can firmly abut against the stress pin 100 to be tested, so as to ensure that the acting force applied to the stress pin 100 to be tested is equal to the acting force applied to the standard stress pin 4.
Optionally, the force application base 2 comprises two supports 22, the two supports 22 are arranged at intervals, and the two supports 22 are located between the first ear plate 11 and the second ear plate 12.
In the above implementation, providing two abutments 22 may make the abutment 22 more stable to support the sleeve 21 and improve the structural stability of the apply seat 2.
Optionally, the force application base 2 further comprises a backing plate 24, the backing plate 24 is fixed on the base 23, and the backing plate 24 and the support 22 are respectively located on two opposite sides of the base 23.
Preferably, the backing plate 24 is a rubber plate.
In the above implementation, the elasticity of the rubber may be utilized to play a role of buffering to protect the stress pin 100 to be tested.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The calibration tool for the winch stress pin is characterized by comprising a mounting seat, a force application seat, a driving assembly and a standard stress pin, wherein the mounting seat and the force application seat are arranged at intervals, the mounting seat and the force application seat are sleeved on the standard stress pin, the mounting seat comprises a first lug plate, a second lug plate, a first connecting plate and a second connecting plate, the first lug plate and the second lug plate are sleeved on the standard stress pin at intervals respectively, the first connecting plate is fixedly connected with one end of the first lug plate and one end of the second lug plate respectively, the second connecting plate is fixedly connected with the other end of the first lug plate and the other end of the second lug plate respectively, the force application seat is used for abutting against the stress pin to be tested of a winch, the force application seat comprises a sleeve, a support and a base, the sleeve is sleeved on the standard stress pin, just the sleeve is located first otic placode with between the second otic placode, the base passes through the support with muffjoint, the base be used for with the stress round pin that awaits measuring offsets, drive assembly installs on the mount pad, the mount pad passes through drive assembly with the frame of winch links together, drive assembly is used for the drive the mount pad orientation or dorsad the stress round pin that awaits measuring removes, the axis of stress round pin that awaits measuring with the axis mutually perpendicular of standard stress round pin, the application of force seat is followed first even board is arrived the maximum width of second even board direction is not more than first even board with the distance between the second even board.
2. The calibration tool according to claim 1, wherein the mounting base further comprises a reinforcing rib, one end of the reinforcing rib is fixed to the first ear plate, and the other end of the reinforcing rib is fixed to the second ear plate.
3. The calibration tool according to claim 1, wherein the mounting seat further comprises two clamping plates, clamping grooves are formed in outer walls of two ends of the standard stress pin, one clamping plate is fixed to the first lug plate and inserted into one clamping groove, and the other clamping plate is fixed to the second lug plate and inserted into the other clamping groove.
4. The calibration tool according to claim 1, wherein the driving assembly comprises at least four stud bolts and nuts corresponding to the stud bolts one by one, one part of the stud bolts are axially slidably inserted into the first connecting plate, the other part of the stud bolts are axially slidably inserted into the second connecting plate, the nuts are respectively sleeved on one ends of the corresponding stud bolts, and the other end of each stud bolt is used for being inserted into the rack.
5. The calibration tool according to claim 4, wherein the driving assembly further comprises washers corresponding to the stud bolts one to one, the washers are respectively sleeved on the corresponding stud bolts, the washer on the first connecting plate is clamped between the first connecting plate and the corresponding nut, and the washer on the second connecting plate is clamped between the second connecting plate and the corresponding nut.
6. The calibration tool of claim 1, wherein the force application seat comprises two support seats, the two support seats are arranged at intervals, and the two support seats are located between the first lug plate and the second lug plate.
7. The calibration tool of claim 1, wherein the force application seat further comprises a backing plate, the backing plate is fixed on the base, and the backing plate and the support are respectively located on two opposite sides of the base.
8. The calibration tool of claim 7, wherein the backing plate is a rubber plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002389.6A CN109781339B (en) | 2019-01-02 | 2019-01-02 | A mark frock for winch stress pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002389.6A CN109781339B (en) | 2019-01-02 | 2019-01-02 | A mark frock for winch stress pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109781339A CN109781339A (en) | 2019-05-21 |
| CN109781339B true CN109781339B (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910002389.6A Active CN109781339B (en) | 2019-01-02 | 2019-01-02 | A mark frock for winch stress pin |
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| CN (1) | CN109781339B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201955188U (en) * | 2011-01-05 | 2011-08-31 | 大连中远船务工程有限公司 | Test lifting lug for testing properties of large winch |
| CN203148610U (en) * | 2012-12-31 | 2013-08-21 | 中交一航局第二工程有限公司 | Force measurement device of winch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3584217A (en) * | 1968-12-31 | 1971-06-08 | Charles R Woodburn | Radioactive force indicating device |
| DE102006058437A1 (en) * | 2006-12-12 | 2008-06-19 | Robert Bosch Gmbh | Force measuring bolt for measuring mechanical stresses |
| CZ19121U1 (en) * | 2008-10-08 | 2008-11-24 | Ceské vysoké ucení technické v Praze | System for measuring residual stresses in polycrystalline materials by employing X-ray diffraction method |
| CN102944355A (en) * | 2012-10-24 | 2013-02-27 | 连云港步升机械有限公司 | Calibration stand of tension monitoring stress hinge pin for cable disengaging hook |
| US9696229B2 (en) * | 2013-10-07 | 2017-07-04 | Mts Systems Corporation | Precision force applicator for force transducer calibration |
| CN105032546A (en) * | 2015-08-14 | 2015-11-11 | 重庆市鑫圣陶瓷有限公司 | Ceramic roller type crusher |
| CN108375438B (en) * | 2016-12-22 | 2019-07-23 | 中国航空制造技术研究院 | A kind of XRD residual stress measurement parameter calibration device and method |
| CN207580093U (en) * | 2017-06-13 | 2018-07-06 | 宁波实华原油码头有限公司 | A kind of portable stress pin marking apparatus |
| CN207335960U (en) * | 2017-10-13 | 2018-05-08 | 上海市质量监督检验技术研究院 | A kind of axial pin type force snesor calibrating installation |
| CN108362554A (en) * | 2018-04-23 | 2018-08-03 | 中国人民解放军空军工程大学 | A kind of three-point bending vibrating fatigue device with axial tension function |
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2019
- 2019-01-02 CN CN201910002389.6A patent/CN109781339B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201955188U (en) * | 2011-01-05 | 2011-08-31 | 大连中远船务工程有限公司 | Test lifting lug for testing properties of large winch |
| CN203148610U (en) * | 2012-12-31 | 2013-08-21 | 中交一航局第二工程有限公司 | Force measurement device of winch |
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| CN109781339A (en) | 2019-05-21 |
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