CN207556722U - It is a kind of for the pretightning force of oil connection and friction torque measuring device - Google Patents
It is a kind of for the pretightning force of oil connection and friction torque measuring device Download PDFInfo
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- CN207556722U CN207556722U CN201721554233.1U CN201721554233U CN207556722U CN 207556722 U CN207556722 U CN 207556722U CN 201721554233 U CN201721554233 U CN 201721554233U CN 207556722 U CN207556722 U CN 207556722U
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Abstract
The utility model is related to the testing fields of oil connection, disclose a kind of pretightning force for oil connection and friction torque measuring device, including torque applying mechanism, with the external thread piece for the oil connection that the output terminal of torque applying mechanism is coaxially connected, with the crossover sub of external thread piece cooperation, crossover sub includes the internal thread part of separation and circular cone face, the power conduction testing agency being connected with crossover sub, power conduction testing agency is for conducting and detect in rundown process external thread piece to the pretightning force and friction torque of circular cone face, power conducts testing agency and the output terminal of torque applying mechanism is coaxially disposed.The utility model by by the internal thread part of crossover sub and circular conical surface part from, and separate fixation, external thread piece is driven to rotate using torque applying mechanism, coordinate with the internal thread part of crossover sub, testing agency is conducted in conjunction with power, so as to directly detect the pretightning force of oil connection, the domestic blank to this test has been filled up.
Description
Technical field
The utility model is related to the testing field of oil connection, particularly a kind of pretightning forces and friction for oil connection
Torque-measuring apparatus.
Background technology
Threaded fastener connection system be most widely used be bolt-nut auxiliary connection form, majority, which is applied, to be pre-tightened
Power effect under, the connection under pretightning force can improve bolted reliability, and can enhance connected body compactness and just
Degree.In threaded fastener connection system, during without pretightning force or inadequate pretightning force, real connection function is not had, generally
It referred to as owes to twist；But excessively high pretightning force or the super stubborn failure for also resulting in threaded connection.
For the threaded fastener of this kind of special construction of oil connection, such as the oil connection in brake pipe, according to moral
Konzern's standard of state crowd, it is desirable that the power and torque to work in this connection, the power are measured when tightening a brake pipe bolt
The size of screw-down torque is depended on torque.Brake pipe bolt bolt connection by bolt, nut, the pipeline with counterpart and
What its surface texture determined, these torques and power should be measured in an appropriate experimental rig, be turned round including pretightning force, friction
Square, pipe torque, screw thread torque, screw-down torque etc..Original bolt and brake pipe can be used, by original material or warp in spiral pairing
Nut made of proving the material with Equal Value Property, can also select use pipe screw bolt and nut spiral shell made of alternative materials
Line carries out, and in this case, the table of pipe bolt-nut screw thread used in respective pattern is proved in a principle tests
The result of face pairing just has comparability.At present, it is domestic to test these physical parameters particularly pretightning force not yet
Machine, the corporate boss in industry will use the machine of Korean-made, be matched using external thread piece and the iron plate spiral with internal thread hole
To carrying out the measurement of each physical parameter, due to using alternative materials rather than oil connection in itself, and oil connection sheet
The material of body and surface treatment can impact the parameters such as pretightning force, friction torque, and therefore, measurement result exists inaccurate
The problems such as risk, and import equipment is long there are the period, inconvenient maintenance.
Utility model content
The utility model provides a kind of pretightning force and friction torque measuring device of oil connection, solves existing measurement and sets
It is standby to rely primarily on import, the problems such as period is long, inconvenient maintenance and measurement accuracy be not high.
The utility model can be achieved through the following technical solutions：
It is a kind of for the pretightning force of oil connection and friction torque measuring device, including torque applying mechanism, with the torsion
The external thread piece for the oil connection that the output terminal of square applying mechanism is coaxially connected, the crossover sub with external thread piece cooperation,
The crossover sub includes the internal thread part of separation and circular cone face, the power conduction testing agency being connected with the crossover sub,
The power conduction testing agency is used to conduct and detect external thread piece in rundown process and the pretightning force of circular cone face and friction is turned round
Square, the power conduction testing agency and the output terminal of torque applying mechanism are coaxially disposed.
Further, the power conduction testing agency includes sequentially coaxially being set with internal thread part fixing piece, the circular conical surface of setting
Portion's fixing piece and power conductive bar, one end and the circular cone face fixing piece horizontal connection of the power conductive bar, the other end are turned round with friction
Square testing agency is connected, and the friction torque testing agency is used to detect friction of the external thread piece to circular cone face in rundown process
Torque, the first force snesor and pressure bearing are set in the power conductive bar, and the pressure bearing is used for external thread piece pair
The pretightning force of circular cone face is transmitted on the first force snesor, and first force snesor is used to measure external screw thread in rundown process
Part is to the pretightning force of circular cone face.
Further, the friction torque testing agency includes arm bar, and one end of the arm bar is another with power conductive bar
One end vertical connection, the other end of the arm bar are in contact with the second force snesor, and second force snesor is used to measure
External thread piece fixes the friction torsion of circular cone face or the other end of the arm bar in rundown process, the power conduction
The surface mount of bar has multiple foil gauges, and the foil gauge is used to measure in rundown process since external thread piece is to circular cone face
Friction torque, the mechanical deformation caused by power conductive bar；Or the friction torque testing agency passes including the first static torque
Sensor, the first static torque sensor sleeve are mounted in the other end of power conductive bar, for measuring rundown process China and foreign countries spiral shell
Line part is to the friction torque of circular cone face.
Further, one end of the power conductive bar is provided with the jack that depth in axial direction extends, the jack and circle
The one end fits of conical surface portion fixing piece, the other end and the circular cone face of the circular cone face fixing piece coordinate, the diameter of the jack
It is C-shaped to section, clamping screw is provided at the c-opening of jack, is provided with Circular Plate in the power conductive bar, institute
Circular Plate is stated to be fixed together by pressure bearing and the first force snesor.
Further, the circular cone face fixing piece uses cross rod-like structure, and the internal thread part fixing piece uses sleeve
Structure, the internal thread part and circular cone face are nested in inside internal thread part fixing piece.
Further, the torque applying mechanism includes servo motor, the output shaft and tape handler of the servo motor
One end be connected, the other end of the tape handler is connected with one end of transmission shaft, and the other end of the transmission shaft passes through connection
Axis device is connected with the rotation axis of dynamic torque sensor one end, and the rotation axis of the dynamic torque sensor other end passes through fixture
The sleeve for covering and being nested in the fixture set center is connected with external thread piece, and the dynamic torque sensor was tightened for measuring
Screw-down torque in journey, the sleeve are used to fix external thread piece.
Further, the tape handler includes the main driving wheel with the output main phase of servo motor even, the main transmission
Wheel is connected by flexible belt with from drive, described to be provided centrally with transmission shaft from drive.
Further, on a mobile platform, the mobile platform is examined for conducting power for the power conduction testing agency setting
Mechanism is surveyed to move along the direction of the center line of the output terminal of torque applying mechanism.
Further, the side of the mobile platform is provided with the device for detecting sealability of oil connection, the mobile platform
For device for detecting sealability to be made to be moved along the direction of the center line of the output terminal perpendicular to torque applying mechanism.
Further, the mobile platform is included on L-type substrate, the strong conduction detection machine of top surface setting of the L-type substrate
Structure, bottom surface are provided with one or more the first sliding rails being mutually parallel, and setting direction and the torque of first sliding rail apply machine
The centerline parallel of the output terminal of structure, first sliding rail are arranged on horizontal base plate, and the bottom surface of the horizontal base plate is provided with
The second sliding rail that one or more is mutually parallel, the setting direction of second sliding rail and the first sliding rail is perpendicular, and described second
On sliding rail setting bottom plate.
The utility model is beneficial to be had technical effect that：
By by the internal thread part of crossover sub and circular conical surface part from and separating fixation, utilize torque applying mechanism
External thread piece rotation is driven, is coordinated with the internal thread part of crossover sub, testing agency is conducted in conjunction with power, so as to directly examine
The pretightning force of oil connection is surveyed, the domestic blank to this test has been filled up, at the same time it can also detect the friction of flowline connection to subsea
Torque, pipe torque and leakproofness realize the disposable detection to each effective physical parameter of oil connection, are oil connection
Analysis foundation is provided, save operating procedure and time, improve the accuracy of test, in addition, whole device is compact-sized,
Easy to operate, convenient for universal and popularization, for improving the quality of oil connection, scientifical use oil connection is of great significance.
Description of the drawings
Fig. 1 is the whole general structure schematic diagram of the utility model；
Fig. 2 is the whole axial cross-sectional views of the utility model；
Fig. 3 is the structure diagram of the oil connection of the utility model；
Enlarged diagrams of the Fig. 4 for part A in Fig. 1 of the utility model；
Fig. 5 is the torque applying mechanism of the utility model and the structure diagram of pipe torque testing agency；
Fig. 6 is that the power of the utility model conducts the structure diagram of testing agency；
Fig. 7 is the structure diagram of the power conductive bar of the utility model；
Fig. 8 is the mobile platform of the utility model and the structure diagram of sealing propertytest mechanism；
Wherein, 1- torques applying mechanism, 11- servo motors, 12- tape handlers, 13- transmission shafts, 14- shaft couplings, 15-
Dynamic torque sensor, 16- fixtures set, 17- sleeves, 2- oil connections, 21- external thread pieces, 22- crossover subs, spiral shell in 221-
Line portion, 222- circular cones face, 3- power conduction testing agency, 31- internal thread parts fixing piece, 32- circular cone faces fixing piece, 33- power
Conductive bar, 331- jacks, 332- Circular Plates, the first force snesors of 34-, 35- pressure bearings, 36- arm bars, the second power of 37- pass
Sensor, 4- pipe torques testing agency, 41- oil pipes locking fixture, the second static torques of 42- sensor, 5- mobile platforms, 51-L types
Substrate, the first sliding rails of 52-, 53- horizontal base plates, the second sliding rails of 54-, 55- bottom plates, 6- device for detecting sealability, 61- crossover subs
Fixing piece, 62- air accumulators, 63- gas introduction ports, 64- pressure sensors.
Specific embodiment
Specific embodiment of the utility model is further described below in conjunction with the accompanying drawings.
With reference to attached drawing 1, Fig. 2, Fig. 3 and Fig. 4, the utility model provides a kind of survey for oil connection threaded fastener
Measure device, including torque applying mechanism 1, the external thread piece of oil connection 2 being coaxially connected with the output terminal of torque applying mechanism 1
21, the crossover sub 22 coordinated with external thread piece 21, the crossover sub 22 includes the internal thread part 221 of separation and circular cone face
222, the power conduction testing agency 3 being connected with crossover sub 22, power conduction testing agency 3 is used to conduct and detect rundown process
Middle external thread piece 21 is internally provided with oil pipe 23, the oil to the pretightning force and friction torque of circular cone face 222 in external thread piece 21
One end of pipe 23 is connected across torque applying mechanism 1 with external thread piece 21, and the other end is connected with pipe torque testing agency 4, the pipe
Torque measuring mechanism 4 is used to detect the pipe torque importeding into rundown process in oil pipe 23, and power conduction testing agency 3, pipe are turned round
Square testing agency 4 and the output terminal of torque applying mechanism 1 are coaxially disposed, in this manner it is achieved that a table apparatus simultaneously connects oil pipe
The detection of first 2 each effective physical parameter, saves operation and time, improves efficiency.
With reference to attached drawing 5, which includes servo motor 11, the output shaft and V belt translation of the servo motor 11
One end of mechanism 12 is connected, and the other end of the tape handler 12 is connected with one end of hollow transmission shaft 13, transmission shaft 13
The other end is connected by shaft coupling 14 with the rotation axis of 15 one end of dynamic torque sensor, 15 other end of dynamic torque sensor
Rotation axis by fixture set 16 and be nested in fixture cover 16 centers sleeve 17 be connected with external thread piece 21, the dynamic torque biography
Sensor 15 is used to measuring screw-down torque in rundown process, and its be provided centrally with fuel feed pump by through-hole, if this reality
The measurement of pipe torque is not included with novel device, transmission shaft 13 and dynamic torque sensor 15 can not use hollow knot
Structure.
One end of fixture set 16 is connected with the rotation axis of 15 other end of dynamic torque sensor, the other end and 17 phase of sleeve
Even, which may be used the sleeve of Stanley, is selected according to various sizes of external thread piece for fixing external thread piece 21
The size of sleeve, in this way, fixture set 16 can make a fixed dimension, similar to using electric gun and it is matched in
The structure that hex tool is dismantled hexagon socket head cap screw or installed, so as to save the fixture set 16 for making various sizes to adapt to
Sleeve 17.
The tape handler 12 includes the main driving wheel being connected with the output shaft of servo motor 11, and the main driving wheel is by scratching
Property band be connected with from drive, from drive should be provided centrally with transmission shaft 13, the flexible belt with main driving wheel, from drive
Friction belt drive or engagement V belt translation may be used.
With reference to attached drawing 6, power conduction testing agency 3 includes sequentially coaxially being set with threaded portion fixing piece 31, the circular cone of setting
Facial fixing piece 32 and power conductive bar 33, one end and 32 horizontal connection of circular cone face fixing piece of the power conductive bar 33, pass in power
The first force snesor 34 and pressure bearing 35 are set on guide rod 33, which is used for external thread piece 21 to circular conical surface
The pretightning force in portion 222 is transmitted on the first force snesor 34, which is used to measure above-mentioned pretightning force.
One end of the power conductive bar 33 and one end vertical connection of arm bar 36, the two can pass through the classes such as flat key, spline
As structure be connected, the other end of the arm bar 36 is in contact with the second force snesor 37, which is used for
Measuring external thread piece 21 in rundown process, to the friction torsion of circular cone face 222, horizontal positioned can also can vertically place, root
Depending on actual needs, then according to the calculation formula of torque, the length with reference to arm bar 36 is right with regard to that can obtain external thread piece 21
The friction torque of circular cone face 222；Or measurement of the other modes realization to above-mentioned friction torque may be used, such as arm bar
36 other end is fixed, and has multiple foil gauges in the surface mount of power conductive bar 33, using foil gauge measure rundown process in by
In external thread piece 21 to the friction torque of circular cone face 222, to mechanical deformation caused by power conductive bar 33, then pass through some circuits
Conversion can also obtain friction torque；The first static torque sensor 38 is directly for another example set in the other end of power conductive bar 33,
In this manner it is possible to it is facial to circular cone that external thread piece 21 in measurement rundown process is directly measured using the first static torque sensor 38
222 friction torque.
With reference to attached drawing 7, one end of the power conductive bar 33 is provided with the jack 331 that depth in axial direction extends, the jack
331 coordinate with the one end fits of circular cone face fixing piece 32, the other end and the circular cone face 221 of the circular cone face fixing piece 32,
The radial section of the jack 331 is C-shaped, and clamping screw is provided at the c-opening of jack 331, in power conductive bar 33
On be provided with Circular Plate 332, which is fixed together by pressure bearing 35 and the first force snesor 34.
The internal thread part fixing piece 31 uses tube-in-tube structure, and circular cone face fixing piece 32 uses cross rod-like structure, in this way,
Internal thread part 221 and the circular cone face 222 of separation is nested in 31 the inside of internal thread part fixing piece simultaneously, cross rod-like structure
One end of circular cone face fixing piece 32 is inserted into inside circular cone face 222, in the jack 331 of other end insertion force conductive bar 33, profit
The two is locked together with clamping screw, and when the change in size of the circular cone face 222 of detected oil connection,
The circular cone face fixing piece 32 of cross rod-like structure is only needed replacing, and for circular cone face fixing piece 32, as long as changing
The outer diameter of one end of cross rod-like structure can meet the detection to a variety of various sizes of oil connections, both cost-effective,
The application range of whole device can be extended again.
With reference to attached drawing 5, which includes oil pipe locking fixture 41, is connected with oil pipe locking fixture 41
Second static torque sensor 42, the center of the 42 and second static torque sensor 42 of oil pipe locking fixture are both provided with fuel feeding
Pipe 23 by through-hole, in this way, oil pipe 23 can be directly anchored to by oil pipe locking fixture 42 second static torque sensing
Device 42, so as to fulfill the measurement to pipe torque.
In addition, with reference to attached drawing 1, Fig. 2 and Fig. 8, entire power conduction testing agency 3 is arranged on mobile platform 5, passes through movement
Platform 5 can be such that power conduction testing agency 3 is moved along the direction of the center line of the output terminal of torque applying mechanism 1, with torque
Applying mechanism 1 drives external thread piece 21 to rotate, by mobile platform 5 make power conduct the internal thread part 221 in testing agency 3 with it is outer
The cooperation of screw element 21 screws in, until circular cone face 222 is touched, so as to complete entire measurement process.Utilize the utility model
Measuring device can measure pretightning force, screw-down torque, friction torque, pipe torque, according to Konzern's standard of germany volkswagen
PV3227 chapters, it is possible to screw thread torque is calculated, so as to complete the measurement of all effective physical parameters.
With reference to attached drawing 8, the device for detecting sealability 6 of oil connection 2 is provided in the side of mobile platform 5, which puts down
Platform 6 utilizes for device for detecting sealability 6 to be made to be moved along the direction of the center line of the output terminal perpendicular to torque applying mechanism 3
Mobile platform 5 makes the movement of two mutually orthogonal directions of power conduction testing agency 3 and device for detecting sealability, convenient for completion pair
The test of another performance parameter leakproofness of oil connection 2, so as to realize the measurement to multiple parameters on same device.
With reference to attached drawing 8, which includes L-type substrate 51, and strong conduction detection is set in the top surface of L-type substrate 51
Mechanism 3, bottom surface are provided with one or more the first sliding rails 52 being mutually parallel, such as two, the setting direction of the first sliding rail 52
With the centerline parallel of the output terminal of torque applying mechanism 1, the first sliding rail 52 is arranged on horizontal base plate 53, in horizontal base plate 53
Bottom surface be provided with one or more the second sliding rails 54 being mutually parallel, such as two, the second sliding rail 54 and the first sliding rail 52
Setting direction is perpendicular, and the second sliding rail 54 is arranged on bottom plate 55, in this way, utilizing the first sliding rail 52 being arranged in a mutually vertical manner and
The realization of two sliding rails 54 is arranged on the shifting of the power conduction testing agency 3 on L-type substrate 51 and the both direction of device for detecting sealability 6
It is dynamic.
With reference to attached drawing 8, which includes the gas introducing mechanism for being arranged on the long side of L-type substrate 51,
And the crossover sub fixing piece 61 of the short side of L-type substrate 51 is arranged on, which includes air accumulator 62, is storing up
The top of gas tank 62 is provided with gas introduction port 63 and oil pipe connector, is respectively provided at gas introduction port 63 and oil pipe connector
Have pressure sensor 64, the crossover sub fixing piece 61 be provided centrally with for crossover sub 22 by through-hole, the through-hole
Center is located on the center line of the output terminal of torque applying mechanism 1, in this way, the associated components of oil connection 2 to be measured are installed
On corresponding position, external thread piece 21 and the cooperation of crossover sub 22 are screwed, then pass through gas automatically using torque applying mechanism 1
Body introducing port 63 introduces gas into air accumulator 62, checks the pressure sensor 64 of setting at gas introduction port and oil pipe connector
Detect numerical value it is whether identical, it is possible to judge oil connection 2 to be measured whether gas leakage.
The utility model by by the internal thread part of crossover sub and circular conical surface part from and separating fixation, utilize torsion
Square applying mechanism drives external thread piece rotation, coordinates with the internal thread part of crossover sub, conducts testing agency in conjunction with power, so as to
The pretightning force of oil connection can be directly detected, the domestic blank to this test has been filled up, at the same time it can also detect flowline
Friction torque, pipe torque and the leakproofness of connector realize the disposable detection to each effective physical parameter of oil connection,
Analysis for oil connection provides foundation, saves operating procedure and time, improves the accuracy of test, in addition, entire dress
Put it is compact-sized, it is easy to operate, convenient for universal and promote, for improving the quality of oil connection, scientifical use oil connection tool
It is significant.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely examples, and under the premise of the principle and essence without departing substantially from the utility model, these embodiments can be done
Go out various changes or modifications, therefore, the scope of protection of the utility model is defined by the appended claims.
Claims (10)
- It is 1. a kind of for the pretightning force of oil connection and friction torque measuring device, it is characterised in that：Including torque applying mechanism, The external thread piece of oil connection being coaxially connected with the output terminal of the torque applying mechanism, with turning for external thread piece cooperation Changing-over head, the crossover sub include the internal thread part of separation and circular cone face, the power conduction inspection being connected with the crossover sub Survey mechanism, power conduction testing agency be used to conduct and detect external thread piece in rundown process to the pretightning force of circular cone face with Friction torque, the power conduction testing agency and the output terminal of torque applying mechanism are coaxially disposed.
- It is 2. according to claim 1 for the pretightning force of oil connection and friction torque measuring device, it is characterised in that：Institute Power conduction testing agency is stated to include sequentially coaxially being set with internal thread part fixing piece, circular cone face fixing piece and the power conduction of setting Bar, one end and the circular cone face fixing piece horizontal connection of the power conductive bar, the other end are connected with friction torque testing agency, institute Friction torque testing agency is stated for detecting in rundown process external thread piece to the friction torque of circular cone face, the power conductive bar On be set with the first force snesor and pressure bearing, the pressure bearing is used for the pretightning force biography to circular cone face by external thread piece It is delivered on the first force snesor, first force snesor is used to measure preload of the external thread piece to circular cone face in rundown process Power.
- It is 3. according to claim 2 for the pretightning force of oil connection and friction torque measuring device, it is characterised in that：Institute It states friction torque testing agency and includes arm bar, one end of the arm bar and the other end vertical connection of power conductive bar, it is described The other end of arm bar is in contact with the second force snesor, and second force snesor is used to measure external thread piece in rundown process The other end of friction torsion or the arm bar to circular cone face is fixed, and the surface mount of the power conductive bar has multiple Foil gauge, the foil gauge conduct power for measuring in rundown process since external thread piece is to the friction torque of circular cone face Mechanical deformation caused by bar；Or the friction torque testing agency includes the first static torque sensor, described first is static Torque sensor is sleeved on the other end of power conductive bar, rubs for measuring external thread piece in rundown process to circular cone face Wipe torque.
- It is 4. according to claim 2 for the pretightning force of oil connection and friction torque measuring device, it is characterised in that：Institute The one end for stating power conductive bar is provided with the jack that depth in axial direction extends, one end of the jack and circular cone face fixing piece Cooperation, the other end and the circular cone face of the circular cone face fixing piece coordinate, and the radial section of the jack is C-shaped, perpendicular to Clamping screw is provided at the c-opening of jack, Circular Plate is provided in the power conductive bar, the Circular Plate passes through pressure axis It holds and is fixed together with the first force snesor.
- It is 5. according to claim 4 for the pretightning force of oil connection and friction torque measuring device, it is characterised in that：Institute Circular cone face fixing piece is stated using cross rod-like structure, the internal thread part fixing piece uses tube-in-tube structure, the internal thread part It is nested in inside internal thread part fixing piece with circular cone face.
- It is 6. according to claim 1 for the pretightning force of oil connection and friction torque measuring device, it is characterised in that：Institute It states torque applying mechanism and includes servo motor, the output shaft of the servo motor is connected with one end of tape handler, the band The other end of transmission mechanism is connected with one end of transmission shaft, and the other end of the transmission shaft is sensed by shaft coupling and dynamic torque The rotation axis of device one end is connected, and the rotation axis of the dynamic torque sensor other end by fixture covers and be nested in the fixture The sleeve at set center is connected with external thread piece, the dynamic torque sensor for measuring screw-down torque in rundown process, The sleeve is used to fix external thread piece.
- It is 7. according to claim 6 for the pretightning force of oil connection and friction torque measuring device, it is characterised in that：Institute It states tape handler and includes main driving wheel with the output main phase of servo motor even, the main driving wheel is by flexible belt and from biography Driving wheel is connected, described to be provided centrally with transmission shaft from drive.
- It is 8. according to claim 1 for the pretightning force of oil connection and friction torque measuring device, it is characterised in that：Institute State the setting of power conduction testing agency on a mobile platform, the mobile platform applies machine for power to be made to conduct testing agency along torque The direction movement of the center line of the output terminal of structure.
- It is 9. according to claim 8 for the pretightning force of oil connection and friction torque measuring device, it is characterised in that：Institute The side for stating mobile platform is provided with the device for detecting sealability of oil connection, and the mobile platform is used to fill sealing propertytest It puts along the direction of the center line of the output terminal perpendicular to torque applying mechanism and moves.
- It is 10. according to claim 9 for the pretightning force of oil connection and friction torque measuring device, it is characterised in that： The mobile platform is included on L-type substrate, and the strong conduction testing agency of top surface setting of the L-type substrate, bottom surface is provided with one A or multiple the first sliding rails being mutually parallel, the setting direction of first sliding rail and the center of the output terminal of torque applying mechanism Line is parallel, and first sliding rail is arranged on horizontal base plate, and the bottom surface of the horizontal base plate is provided with one or more and mutually puts down The second capable sliding rail, the setting direction of second sliding rail and the first sliding rail is perpendicular, on the second sliding rail setting bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721554233.1U CN207556722U (en) | 2017-11-20 | 2017-11-20 | It is a kind of for the pretightning force of oil connection and friction torque measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721554233.1U CN207556722U (en) | 2017-11-20 | 2017-11-20 | It is a kind of for the pretightning force of oil connection and friction torque measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207556722U true CN207556722U (en) | 2018-06-29 |
Family
ID=62680467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721554233.1U Active CN207556722U (en) | 2017-11-20 | 2017-11-20 | It is a kind of for the pretightning force of oil connection and friction torque measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207556722U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870264A (en) * | 2019-03-27 | 2019-06-11 | 中铁工程服务有限公司 | The torque selecting device of shield duct piece installation bolt |
| CN111855181A (en) * | 2020-07-27 | 2020-10-30 | 西南交通大学 | Testing arrangement of pipe joint tightening torque and angle displacement relation |
-
2017
- 2017-11-20 CN CN201721554233.1U patent/CN207556722U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870264A (en) * | 2019-03-27 | 2019-06-11 | 中铁工程服务有限公司 | The torque selecting device of shield duct piece installation bolt |
| CN109870264B (en) * | 2019-03-27 | 2024-03-15 | 中铁工程服务有限公司 | Torque selecting device for shield segment mounting bolt |
| CN111855181A (en) * | 2020-07-27 | 2020-10-30 | 西南交通大学 | Testing arrangement of pipe joint tightening torque and angle displacement relation |
| CN111855181B (en) * | 2020-07-27 | 2021-09-14 | 西南交通大学 | Testing arrangement of pipe joint tightening torque and angle displacement relation |
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