CN116858765A - Friction plate product-level anti-slip performance torsion test equipment - Google Patents
Friction plate product-level anti-slip performance torsion test equipment Download PDFInfo
- Publication number
- CN116858765A CN116858765A CN202310763365.9A CN202310763365A CN116858765A CN 116858765 A CN116858765 A CN 116858765A CN 202310763365 A CN202310763365 A CN 202310763365A CN 116858765 A CN116858765 A CN 116858765A
- Authority
- CN
- China
- Prior art keywords
- clamping piece
- piece
- force
- push
- clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 238000003825 pressing Methods 0.000 claims abstract description 58
- 238000006073 displacement reaction Methods 0.000 claims abstract description 45
- 238000012545 processing Methods 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims description 61
- 230000006835 compression Effects 0.000 claims description 25
- 238000007906 compression Methods 0.000 claims description 25
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 6
- 238000005457 optimization Methods 0.000 abstract description 6
- 238000010248 power generation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 21
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application discloses friction plate product-level anti-slip performance torsion test equipment, and relates to the technical field of wind power generation; the second clamping piece in the friction plate product-level anti-slip performance torsion test device can rotate around a vertical shaft relative to the first clamping piece; the pressing device is used for applying a vertical downward pressing force to the second clamping piece; the loading device is used for applying push-pull force to the second clamping piece; the detection device is used for detecting pressure information, push-pull force information and displacement information of the second clamping piece; the data processing device is used for carrying out data processing according to the received information. The friction plate product-level anti-slip performance torsion testing equipment provided by the application can be used for simulating the pressure and torsion applied to the product to be tested in the actual use state, and can obtain the product application-level performance parameters so as to better guide the design optimization related to the product to be tested.
Description
Technical Field
The application relates to the technical field of wind power generation, in particular to friction plate product-grade anti-slip performance torsion testing equipment.
Background
In the technical field of wind power generation, the anti-slip performance of a connecting auxiliary junction surface of a wind turbine generator system transmission system directly determines the torque transmission capacity, and abnormal slip of the connecting auxiliary junction surface can have adverse effects on the normal operation of the wind turbine generator system; in order to increase the friction coefficient between the joint surfaces and improve the torque transmission capacity of the connecting pair, friction gaskets are additionally arranged between the joint surfaces, the surface quality is changed and the like, so that the friction coefficient between the joint surfaces is increased. The anti-slip performance between the connecting surfaces of the parts in the fan transmission system is comprehensively influenced by factors such as materials, working conditions, surface quality, contact conditions, environmental conditions and the like, and the connecting surfaces of the two parts have the characteristic of complex load, including vertical load, horizontal load, bending moment, torque and the like.
In the related art, the friction increasing performance research of the friction pad is still remained in a laboratory stage, and the actual product cannot be tested; on one hand, the anti-slip performance of the connecting surface obtained by a standard friction testing machine and a testing method is very different from that of the connecting surface in practical application, and accurate guidance cannot be provided for design optimization in the research and development process generally; on the other hand, the full-size test of the fan transmission system is difficult to realize with huge test cost and long test period.
The existing laboratory test device cannot simulate the actual assembly state of friction plate products, cannot achieve product-level test, has great difference between the tested data and the actual application, and has long test time and high cost.
In summary, how to provide a torsion testing apparatus for anti-slip performance of friction plate product level is a problem to be solved by those skilled in the art.
Disclosure of Invention
Therefore, the application aims to provide friction plate product-grade anti-slip performance torsion test equipment which can be used for simulating torsion conditions and pressure conditions of friction plate products in actual use states and realizing anti-slip performance torsion test for the friction plate product grade.
In order to achieve the above object, the present application provides the following technical solutions:
a friction plate product grade slip resistance torsion test apparatus comprising:
a mounting base plate;
the first clamping piece is fixedly arranged on the mounting bottom plate, and the second clamping piece can rotate around a vertical shaft relative to the first clamping piece and is positioned on the upper part of the first clamping piece; the product to be tested is positioned between the first clamping piece and the second clamping piece;
the pressing device is used for applying a vertical downward pressing force to the second clamping piece, simulating the pressure applied to the product to be tested in actual use, and enabling the second clamping piece to only have the freedom degree of rotation around a vertical axis relative to the first clamping piece;
the loading device is used for applying push-pull force to the second clamping piece, simulating torsion force applied to the product to be tested in actual use and enabling the second clamping piece to rotate relative to the first clamping piece;
the detection device is used for detecting pressure information of the pressure born by the second clamping piece, push-pull force information of the push-pull force born by the second clamping piece and displacement information when the second clamping piece rotates relative to the first clamping piece; transmitting the pressure information, the push-pull force information and the displacement information to a data processing device;
and the data processing device is connected with the detection device and is used for performing data processing according to the received pressure information, push-pull force information and displacement information.
Optionally, the pressing device comprises at least one pressing bolt for providing pressing force, and the pressing bolt is used for simulating pressure distribution of the product to be tested in actual use; the screw rod of the compression bolt penetrates through the second clamping piece and is in threaded connection with the first clamping piece, the nut of the compression bolt is arranged on the portion, extending out of the second clamping piece, of the screw rod, and the lower surface of the nut faces the upper surface of the second clamping piece.
Optionally, the pressing device includes a plurality of pressing bolts, and a plurality of setting positions of the pressing bolts are used for simulating pressure distribution applied to the product to be tested in an actual use state.
Optionally, a spacer block is disposed between the nut and the upper surface of the second clamping member, the spacer block is sleeved on the screw rod, and the heights of the spacer blocks in different compression bolts are different.
Optionally, the loading device includes:
a loader with a movable force application end, wherein the loader is mounted on the first clamping piece;
and one end of the load transmission component is connected with the force application end, and the other end of the load transmission component is connected with the second clamping piece so as to apply load to the second clamping piece through the loader and enable the second clamping piece to rotate relative to the first clamping piece.
Optionally, the load transfer assembly comprises:
the force transmission piece is fixedly arranged on the second clamping piece;
one end of the connecting piece is connected with the force application end of the loader, and the other end of the connecting piece is connected with the force transmission piece;
the force transmission bolt penetrates through the second clamping piece, one end of the force transmission bolt is connected with the force transmission piece, and the other end of the force transmission bolt is fixedly arranged on the second clamping piece.
Optionally, the detection assembly includes:
the pressure detection piece is arranged on the pressing device and is used for detecting pressure information applied to the second clamping piece by the pressing device;
the push-pull force detection piece is arranged on the load transmission assembly and is used for detecting push-pull force information applied to the second clamping piece by the loading device;
the displacement detection piece is arranged on the mounting bottom plate and used for detecting the displacement of the second clamping piece relative to the first clamping piece;
the pressure detection piece, the push-pull force detection piece and the displacement detection piece are all connected with the data processing device.
Optionally, the pressure detecting piece comprises a pressure sensor and a first strain gauge, wherein the pressure sensor is arranged on the pressing device; the push-pull force detection piece comprises a push-pull force sensor and a second strain gauge which are arranged on the load transmission assembly; the displacement detection piece comprises a displacement sensor;
the pressure sensor, the first strain gauge, the push-pull force sensor, the second strain gauge and the displacement sensor are all connected with the data processing device.
Optionally, the mounting base plate is provided with a limiting member for avoiding displacement of the first clamping member.
Optionally, the device further comprises a rotating shaft penetrating through the first clamping piece and the second clamping piece, wherein the first clamping piece is provided with a first mounting hole, the second clamping piece is provided with a second mounting hole, and the rotating shaft is arranged in the first mounting hole and the second mounting hole;
one end of the rotating shaft is fixedly arranged on the mounting bottom plate, the other end of the rotating shaft extends out of the second clamping piece, a bearing is sleeved on the periphery of the rotating shaft, and the outer ring of the bearing is in contact with the inner side wall of the first mounting hole or the inner side wall of the second mounting hole; the second clamping piece is rotatable relative to the first clamping piece around the rotating shaft.
In the process of using the friction plate product-level anti-slip performance torsion test equipment provided by the application, a product to be tested is firstly required to be placed between a first clamping piece and a second clamping piece, and the position of the second clamping piece is adjusted and fixed; applying a vertical downward pressing force to the second clamping piece through the pressing device so as to simulate the pressure applied to the product to be tested in the actual use process; the push-pull force is applied to the second clamping piece through the loading device, the torsion force of the product to be tested in the actual use process is simulated, so that the second clamping piece rotates relative to the first clamping piece, in the process, the detection device detects the pressure information of the pressure applied to the second clamping piece by the pressing device, the push-pull force information of the push-pull force applied to the second clamping piece by the loading device and the displacement information of the second clamping piece, the pressure information, the push-pull force information and the displacement information are transmitted to the data processing device, the data processing device is used for carrying out data processing according to the received pressure information, the push-pull force information and the displacement information, and the friction force of the product to be tested is calculated, so that the product grade performance parameter of the product to be tested is obtained.
The friction plate product-level anti-slip performance torsion testing equipment provided by the application can be used for simulating the pressure and torsion applied to a product to be tested in the actual use state, and the obtained product-level performance parameters of the product to be tested can provide data support for the related design optimization of a fan transmission chain system and provide practical guiding basis for the design optimization of the fan transmission system.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the connection relationship between the parts of the friction plate product-grade anti-slip performance torsion test equipment provided by the application;
FIG. 2 is a schematic top view of a friction plate product grade anti-slip performance torsion test apparatus provided by the present application;
FIG. 3 is a schematic diagram of a friction plate product-level anti-slip performance torsion test apparatus according to the present application;
FIG. 4 is a schematic cross-sectional view of a friction plate product grade slip resistance torsion test apparatus according to the present application.
In fig. 1-4:
100 is friction plate product-grade anti-slip performance torsion test equipment, 101 is a test equipment main body, 102 is a loader, 103 is a detection device, 104 is a data processing device, and 105 is a hydraulic source;
1 is a test fixture, 11 is a second clamping piece, and 12 is a first clamping piece;
2 is a load transmission assembly, 21 is a force transmission bolt, 22 is a force transmission piece, and 23 is a connecting piece;
3 is an installation bottom plate, 31 is a bottom plate main body, 32 is an anchor bolt and 33 is a limiting piece;
the pin shaft assembly is 4, the tightening bolt pair is 41, the rotating shaft is 42, the pressing plate is 43, the fastening nut is 44, the first sleeve is 45, the second sleeve is 46, and the bearing is 47;
5 is a pressing device, 51 is a pressing bolt, 52 is a cushion block and 53 is a backing plate;
6 is a product to be tested;
reference numeral 71 denotes a pressure sensor, 72 denotes a first strain gauge, and 73 denotes a displacement sensor.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The application provides friction plate product-level anti-slip performance torsion test equipment which can be used for simulating torsion conditions and pressure conditions of friction plate products in actual use states and realizing anti-slip performance torsion test for the friction plate product level.
Please refer to fig. 1 to 4.
The present embodiment discloses a friction plate product-level anti-slip performance torsion test apparatus 100, comprising: the device comprises a mounting base plate 3, a first clamping piece 12, a second clamping piece 11, a pressing device 5, a loading device, a detection device 103 and a data processing device 104; the first clamping piece 12 is fixedly arranged on the mounting bottom plate 3, and the second clamping piece 11 is rotatable relative to the first clamping piece 12 around a vertical axis and is positioned at the upper part of the first clamping piece 12; the product 6 to be measured is positioned between the first clamping piece 12 and the second clamping piece 11; the pressing device 5 is used for applying a vertical downward pressing force to the second clamping piece 11, simulating the pressure applied by the product 6 to be tested in actual use, and enabling the second clamping piece 11 to have only the freedom of rotating around the vertical axis relative to the first clamping piece 12; the loading device is used for applying a push-pull force to the second clamping piece 11, simulating the torsion force applied to the product 6 to be tested in actual use, and enabling the second clamping piece 11 to rotate relative to the first clamping piece 12; the detecting device 103 is used for detecting pressure information of the pressure applied by the second clamping piece 11, push-pull force information of the push-pull force applied by the second clamping piece 11 and displacement information when the second clamping piece 11 rotates relative to the first clamping piece 12; and transmits the pressure information, push-pull force information, and displacement information to the data processing device 104; the data processing device 104 is connected with the detecting device 103, and the data processing device 104 is used for performing data processing according to the received pressure information, push-pull force information and displacement information.
It should be noted that, in this embodiment, the pressing device 5 may provide a vertical downward pressing force to the second clamping member 11 through lifting of the power member, or may provide a vertical downward pressing force to the second clamping member 11 through tightening of the screwing structure, or may provide a vertical downward pressing force by increasing the weight of the weight disposed on the upper surface of the second clamping member 11, or may be other ways of improving the pressing force, which is specifically determined according to practical situations and will not be described herein.
It should be noted that, the surface quality of the working surfaces of the first clamping member 12 and the second clamping member 11 for contacting the product to be tested needs to be the same as that of the actual connecting surface, specifically, the machined surface includes the surface roughness, flatness and other indexes for evaluating the surface quality, and the hot spraying zinc surface includes the zinc layer thickness and other indexes for simulating the surface state of the connecting surface of the two parts in the fan transmission system.
The loading device in this embodiment is mainly used for providing a pushing force to the second clamping member 11, and specifically, the second clamping member 11 may be rotated relative to the first clamping member 12 by providing a pulling force, or the second clamping member 11 may be rotated relative to the first clamping member 12 by providing a pushing force, which is specifically determined according to the practical situation.
The loading device can be a combination of a push-pull cylinder for providing push-pull force and a related transmission member, a combination of a rotating motor and a related transmission member, or as shown in fig. 1, the loading device comprises a loader 102 and provides power for the loader 102 through a hydraulic source 105; of course, the loader 102 may also be powered by a cylinder, a motor, or the like, which is specifically determined according to the actual situation, and will not be described herein.
In the process of using the friction plate product-level anti-slip performance torsion test apparatus 100 provided in this embodiment, it is first required to place the product 6 to be tested between the first clamping member 12 and the second clamping member 11, the upper surface of the first clamping member 12 and the lower surface of the second clamping member 11 are working surfaces, and adjust and fix the position of the second clamping member 11; applying a vertical downward pressing force to the second clamping piece 11 through the pressing device 5 so as to simulate the pressure applied to the product 6 to be tested in the actual use process; the pushing and pulling force is applied to the second clamping piece 11 through the loading device, the torsion force applied by the product to be tested 6 in the actual use process is simulated, so that the second clamping piece 11 rotates relative to the first clamping piece 12, in the process, the detecting device 103 detects the pressure information of the pressure applied by the pressing device 5 to the second clamping piece 11, the pushing and pulling force information of the pushing and pulling force applied by the loading device to the second clamping piece 11 and the displacement information of the second clamping piece 11, the pressure information, the pushing and pulling force information and the displacement information are transmitted to the data processing device 104, and the data processing device 104 is used for carrying out data processing according to the received pressure information, the pushing and pulling force information and the displacement information, calculating the friction force applied by the product to be tested 6, and obtaining the product grade performance parameters of the product to be tested 6.
The product 6 to be tested in this embodiment may be a friction plate, or may be other products meeting the requirements, which is specifically determined according to the actual situation.
Compared with the prior art, the friction plate product-level anti-slip performance torsion test equipment 100 provided by the embodiment can be used for simulating the pressure and torsion of the product 6 to be tested in the actual use state, and can be used for adjusting the torsion of the press machine of the product 6 to be tested according to the actual situation, so that the application-level performance parameters of the product 6 to be tested (namely, the performance parameters in the actual installation state are simulated), and the design optimization related to the product 6 to be tested can be better guided; when the product 6 to be tested is of a fan related structure, the method can be used for guiding design optimization of a transmission chain of the wind turbine generator.
In a specific embodiment, the compressing device 5 includes at least one compressing bolt 51, the screw rod of the compressing bolt 51 penetrates through the second clamping member 11 and is in threaded connection with the first clamping member 12, the nut of the compressing bolt 51 is disposed on a portion of the screw rod extending out of the second clamping member 11, and the lower surface of the nut faces the upper surface of the second clamping member 11.
In the actual use process, the number of the compression bolts 51 can be multiple, and the number is specifically determined according to the actual situation; when the number of the compression bolts 51 is plural, the setting positions of the plurality of compression bolts 51 are used for simulating the pressure distribution of the product 6 to be tested in the actual use state, so that the compression bolts 51 provide the second clamping member 11 with the pressure of the product 6 to be tested in the actual use state, and the distribution of the compression bolts 51 can be adjusted according to different use scenes.
When the product 6 to be measured is a fan related component, the setting positions of the plurality of compression bolts in the compression assembly 5 are set based on the structure of the actual fan transmission system related component so as to simulate the connection state of the fan transmission system related component.
In a specific use, a vertically downward pressing force can be applied to the second clamping member 11 by screwing the nut, and the magnitude of the vertically downward pressing force provided to the second clamping member 11 can be adjusted by adjusting the magnitude of the screwing torque.
The pressing force of the pressing bolt 51 may be adjusted, and in the actual use process, the pressing force of the pressing bolt 51 may be adjusted according to the simulated actual equipment condition to set the position.
As shown in fig. 4, a backing plate 53 is provided between the nut of the compression bolt 51 and the second clamping member 11, and the lower surface of the backing plate 53 contacts the upper surface of the second clamping member 11, so that the compression force provided by the compression bolt 51 is uniformly distributed on the backing plate 53, and the vertically downward compression force is applied to the second clamping member 11 through the backing plate 53.
Preferably, when the number of the compression bolts 51 is plural, a spacer block 52 may be disposed between the nuts of the compression bolts 51 and the backing plates 53, the spacer block 52 is sleeved on the threaded rod, and the heights of the spacer blocks 52 in different compression bolts 51 are different, so that the nuts of the compression bolts 51 are respectively disposed at different heights and distributed in a staggered manner in height, so as to provide enough space for screwing the nuts of the compression bolts 51.
In one embodiment, the loading device comprises a loader 102 and a load transfer assembly 2, wherein the loader 102 is provided with a movable force application end, and the loader 102 is mounted on the first clamping piece 12; the load transmission assembly 2 has one end connected to the force application end and the other end connected to the second clamp 11, so that the load is applied to the second clamp 11 by the loader 102 to rotate the second clamp 11 with respect to the first clamp 12.
The load transmission assembly 2 is configured to connect the first clamping member 12 and the second clamping member 11, and transmit the load applied by the loader 102 to the second clamping member 11, specifically, as shown in fig. 3, the load transmission assembly 2 may include: a force transmission piece 22 fixedly arranged on the second clamping piece 11; a connecting member 23 having one end connected to the force application end of the loader 102 and the other end connected to the force transmission member 22; the force transmission bolt 21 penetrates through the second clamping piece 11, one end of the force transmission bolt 21 is connected with the force transmission piece 22, and the other end of the force transmission bolt 21 is fixedly arranged on the second clamping piece 11.
As shown in fig. 3, the force transmission member 22 has a block structure and is fixedly arranged on the second clamping member 11, the connecting member 23 has a screw structure, one end of the connecting member 23 is connected with the force application end of the loader 102, and the other end is connected with the force transmission member 22; one end of the force transmission bolt 21 is connected with the force transmission piece 22, and the other end of the force transmission bolt is fixedly arranged on the second clamping piece 11; when a tensile force is applied to the force application end of the loader 102, the tensile force is transmitted to the force transmission member 22 through the connecting member 23, and the force transmission member 22 transmits a load to the second clamping member 11 through the force transmission bolt 21 so as to drive the second clamping member 11 to rotate around the vertical axis.
In a specific use process, the loader 102 can flexibly move and change the loading force according to the requirements of different test working conditions. In the case of hydraulic actuation of the loader 102, the friction plate product grade slip resistance torsion test apparatus 100 includes a hydraulic source 105. However, the friction plate product-level anti-slip performance torsion test apparatus 100 in this embodiment may be not only a hydraulically driven loader 102, but also may be configured by other devices capable of providing a loading force, such as an electric loader 102; the magnitude of the load output by the loader 102 may be achieved by varying the magnitude of the hydraulic pressure from the hydraulic source 105.
Of course, the load transmission assembly 2 may be of other structures, for example, the loader 102 may be fixed to the mounting base plate 3, and the loader 102 provides a thrust force perpendicular to the rotation axis of the first clamping member 12 to the second clamping member 11, so as to rotate the first clamping member 12 around the vertical axis; the force application end of the loader 102 may be directly connected to the second clamping member 11, or the load transmission assembly 2 may be provided in a plate-like or rod-like structure that connects the force application end and the second clamping member 11; the power for the loader 102 may be a cylinder, a motor, etc., as determined by the actual situation.
In one embodiment, the detection assembly includes: the pressure detection piece is arranged on the pressing device 5 and is used for detecting pressure information applied to the second clamping piece 11 by the pressing device 5; the push-pull force detection piece is arranged on the load transmission assembly 2 and is used for detecting push-pull force information applied to the second clamping piece 11 by the loading device; a displacement detecting member provided on the mounting base plate 3 for detecting displacement of the second clamping member 11 relative to the first clamping member 12; the pressure detecting member, the push-pull force detecting member, and the displacement detecting member are all connected with the data processing device 104.
Specifically, as shown in fig. 4, the pressure detecting member includes a pressure sensor 71 provided to the pressing device 5 and a first strain gauge 72, and in a specific use process, the pressure sensor 71 is used to press the pressure applied by the bolt 51 to the second clamping member 11; the first strain gauge 72 is disposed on the screw of the compression bolt 51, and is used for detecting the deformation condition of the screw of the compression bolt 51, and the data processing device 104 can calculate the pressure applied to the second clamping member 11 according to the deformation condition of the screw of the compression bolt 51; in the specific process, when the pressure measured by the pressure sensor 71 differs from the pressure applied to the second clamping member 11 calculated from the deformation measured by the first strain gauge 72, the average value of the pressure measured by the pressure sensor 71 and the pressure applied to the second clamping member 11 calculated from the deformation measured by the first strain gauge 72 may be taken as the pressure applied to the second clamping member 11; when the number of the pressing bolts 51 is plural, the pressure sensor 71 may be provided directly at a position where the pressing plate 43 contacts the second clamping member 11, or the pressure sensor 71 may be provided between the nut of each pressing bolt 51 and the pressing plate 43, and the sum of the pressures measured by the pressure sensors 71 in each pressing bolt 51 is the pressure applied to the second clamping member 11.
It should be noted that the quality of the adhering surface of the pressing bolt 51 is required to meet the use requirement of the strain sensor, so as to measure the pressing force variation of the product 6 to be tested in the testing process.
Specifically, the push-pull force detecting element may include a push-pull force sensor and a second strain gauge, which are disposed on the load transmission assembly 2, and in a specific use process, the push-pull force sensor may be disposed on a force application end of the loader 102, and the second strain gauge may be disposed on the load transmission assembly 2; in the actual use process, the push-pull force sensor can directly detect the push-pull force applied by the force application end of the loader 102; the second strain gauge is configured to detect deformation of the load transmission assembly 2, and transmit deformation data to the data processing device 104, where the data processing device 104 calculates a push-pull force applied to the second clamping member 11 according to a deformation value detected by the second strain gauge, and when there is a difference between the push-pull force detected by the push-pull force sensor and the push-pull force applied to the second clamping member 11 calculated according to the deformation value detected by the second strain gauge, an average value of the push-pull force detected by the push-pull force sensor and the push-pull force applied to the second clamping member 11 calculated according to the deformation value detected by the second strain gauge may be used as the push-pull force applied to the second clamping member 11.
As shown in fig. 2 and 3, the displacement detecting member includes a displacement sensor 73, where the displacement sensor 73 is fixedly disposed on the mounting base plate 3, and is used for measuring the displacement of the second clamping member 11 relative to the first clamping member 12. In particular, the displacement sensor 73 may be a laser displacement sensor or other sensor that meets the requirements.
As shown in fig. 2, the mounting base plate 3 is provided with a stopper 33 for avoiding displacement of the first clamp 12. Specifically, a limiting member 33 may be disposed at both ends of the first clamping member 12, for limiting displacement of the first clamping member 12.
As shown in fig. 3, the mounting base plate 3 includes a base plate body 31, and the base plate body 31 is fixed to the ground by anchor bolts 32, so that the base plate body 31 is completely fixed during the test, and a stopper is fixed to the upper surface of the base plate body 31 to play a role in limiting and fixing the first clamping member 12.
In a specific embodiment, the friction plate product level anti-slip performance torsion test apparatus 100 further includes a rotating shaft 42 penetrating through the first clamping member 12 and the second clamping member 11, the first clamping member 12 is provided with a first mounting hole, the second clamping member 11 is provided with a second mounting hole, and the rotating shaft 42 is disposed in the first mounting hole and the second mounting hole; one end of the rotating shaft 42 is fixedly arranged on the mounting bottom plate 3, the other end extends out of the second clamping piece 11, a bearing 47 is sleeved on the periphery of the rotating shaft 42, and the outer ring of the bearing 47 is in contact with the inner side wall of the first mounting hole or the inner side wall of the second mounting hole; the second clamping member 11 is rotatable relative to the first clamping member 12 about a rotational axis 42.
It should be noted that, the pin assembly 4 is mainly configured to constrain the degree of freedom of the second clamping member 11, so that the second clamping member can only rotate around the rotating shaft 42 and translate along the axial direction of the rotating shaft 42, and the first mounting hole on the first clamping member 12, the second mounting hole on the second clamping member 11, and the rotating shaft 42 should maintain sufficient coaxiality, and sufficient verticality should be ensured between the axial direction of the rotating shaft 42 and the bottom plate main body 31, so that the accuracy of the movement direction of the second clamping member 11 and the load transmission direction of the loader 102 is ensured.
As shown in fig. 3, the pin shaft assembly 4 includes two connecting rods, a pressing plate 43 is disposed at the upper end of each connecting rod, the pressing plate 43 is disposed at the lower part of the tightening bolt pair 41, meanwhile, the pressing plate 43 is sleeved on the periphery of the rotating shaft 42 and is pressed on the upper part of the fastening nut 44, the height of the pressing plate 43 can be adjusted by screwing the tightening bolt pair 41, and the rotating shaft 42 is pressed and fixed. The lower end of the rotating shaft 42 is screwed on the bottom plate through a fastening screw; the bearing 47 can bear certain axial force by adjusting the angular deviation between the two axes in the rotating process through the bearing 47, so that the danger caused by overturning of the second clamping piece 11 during test misoperation is avoided, and the safety of the test process is ensured; in addition, the fastening nut 44 is used for exerting a pressing force on the bearing 47 to eliminate play, the first sleeve 45 is used for adjusting the distance between the bearing 47 and the inner ring and the outer ring of the pressing bearing 47, and the second sleeve 46 is used for adjusting the height and separating the movement relation of the second clamping piece 11 and the first clamping piece 12.
In a specific embodiment, as shown in fig. 3, the test fixture 1 includes a first clamping member 12, a second clamping member 11, a mounting base plate 3, and a load transmission assembly 2, where the first clamping member 12 is fixedly disposed on the mounting base plate 3, and the load transmission assembly 2 is used for transmitting a force applied by a force application end of the loader 102 to the second clamping member 11.
As shown in fig. 1, the friction plate product-level anti-slip performance torsion testing device 100 comprises a testing device main body 101, a data processing device 104 and a hydraulic pressure source 105, wherein the testing device main body 101 comprises the testing tool 1 shown in fig. 3, a loader 102 and a detection device 103, the hydraulic pressure source 105 is used for providing power for the loader 102, and the detection device 103 is used for detecting pressure information of the pressure exerted by the second clamping piece 11, push-pull force information of the push-pull force exerted by the second clamping piece 11 and displacement information when the second clamping piece 11 rotates relative to the first clamping piece 12; and the pressure information, the push-pull force information and the displacement information are transmitted to the data processing device 104, and the data processing device 104 is used for performing data processing according to the received pressure information, push-pull force information and displacement information so as to obtain the product-level anti-slip performance of the product 6 to be tested and ensure the test effect.
The references to the first clamping member 12 and the second clamping member 11, the first sleeve 45 and the second sleeve 46 are merely for distinguishing between the different positions and not the sequential order.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. Any combination of all the embodiments provided in the present application is within the protection scope of the present application, and will not be described herein.
The friction plate product grade slip resistance torsion test apparatus 100 provided by the present application is described in detail above. The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present application and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the application can be made without departing from the principles of the application and these modifications and adaptations are intended to be within the scope of the application as defined in the following claims.
Claims (10)
1. A friction plate product grade slip resistance torsion test apparatus, comprising:
a mounting base plate (3);
the first clamping piece (12) and the second clamping piece (11), the first clamping piece (12) is fixedly arranged on the mounting bottom plate (3), and the second clamping piece (11) is rotatable around a vertical shaft relative to the first clamping piece (12) and is positioned at the upper part of the first clamping piece (12); the product (6) to be tested is positioned between the first clamping piece (12) and the second clamping piece (11);
the pressing device (5) is used for applying a vertical downward pressing force to the second clamping piece (11), simulating the pressure applied to the product (6) to be tested in actual use, and enabling the second clamping piece (11) to only have the freedom degree of rotation around a vertical axis relative to the first clamping piece (12);
the loading device is used for applying a push-pull force to the second clamping piece (11), simulating torsion force applied to the product (6) to be tested in actual use, and enabling the second clamping piece (11) to rotate relative to the first clamping piece (12);
the detection device (103) is used for detecting pressure information of the pressure born by the second clamping piece (11), push-pull force information of the push-pull force born by the second clamping piece (11) and displacement information when the second clamping piece (11) rotates relative to the first clamping piece (12); and transmitting the pressure information, the push-pull force information, and the displacement information to a data processing device (104);
and the data processing device (104) is connected with the detection device (103), and the data processing device (104) is used for carrying out data processing according to the received pressure information, push-pull force information and displacement information.
2. The friction plate product-grade slip resistance torsion test device according to claim 1, wherein the hold-down means (5) comprises at least one hold-down bolt (51) for providing a hold-down force, the hold-down bolt (51) being adapted to simulate the pressure distribution of the product (6) under test in actual use; the screw rod of the compression bolt (51) penetrates through the second clamping piece (11) and is in threaded connection with the first clamping piece (12), the nut of the compression bolt (51) is arranged on the portion, extending out of the second clamping piece (11), of the screw rod, and the lower surface of the nut faces the upper surface of the second clamping piece (11).
3. The friction plate product-grade slip resistance torsion testing apparatus according to claim 2, wherein the hold-down device (5) comprises a plurality of hold-down bolts (51), and a plurality of the hold-down bolts (51) are arranged at positions for simulating pressure distribution applied to the product (6) to be tested in an actual use state.
4. A friction plate product grade slip resistance torsion testing apparatus according to claim 3, wherein a spacer block (52) is provided between the nut and the upper surface of the second clamping member (11), the spacer blocks (52) are sleeved on the screw, and the heights of the spacer blocks (52) in different compression bolts (51) are different.
5. A friction plate product grade slip resistance torsion testing apparatus according to any one of claims 1 to 4 wherein the loading means comprises:
a loader (102) having a movable force application end, the loader (102) being mounted to the first clamp (12);
and a load transmission assembly (2) with one end connected with the force application end and the other end connected with the second clamping piece (11) so as to apply load to the second clamping piece (11) through the loader (102) and enable the second clamping piece (11) to rotate relative to the first clamping piece (12).
6. Friction plate product grade slip resistance torsion testing device according to claim 5, characterized in that the load transfer assembly (2) comprises:
the force transmission piece (22) is fixedly arranged on the second clamping piece (11);
a connecting piece (23), one end of which is connected with the force application end of the loader (102), and the other end of which is connected with the force transmission piece (22);
the force transmission bolt (21) penetrates through the second clamping piece (11), one end of the force transmission bolt (21) is connected with the force transmission piece (22), and the other end of the force transmission bolt is fixedly arranged on the second clamping piece (11).
7. The friction plate product grade slip resistance torsion test apparatus according to claim 5, wherein the detection assembly comprises:
the pressure detection piece is arranged on the pressing device (5) and is used for detecting pressure information applied to the second clamping piece (11) by the pressing device (5);
the push-pull force detection piece is arranged on the load transmission assembly (2) and is used for detecting push-pull force information applied to the second clamping piece (11) by the loading device;
the displacement detection piece is arranged on the mounting bottom plate (3) and is used for detecting the displacement of the second clamping piece (11) relative to the first clamping piece (12);
the pressure detection piece, the push-pull force detection piece and the displacement detection piece are all connected with the data processing device (104).
8. The friction plate product grade slip resistance torsion test apparatus according to claim 7, wherein the pressure detecting member includes a pressure sensor (71) provided to the pressing device (5) and a first strain gauge (72); the push-pull force detection piece comprises a push-pull force sensor and a second strain gauge which are arranged on the load transmission assembly (2); the displacement detector comprises a displacement sensor (73);
the pressure sensor (71), the first strain gauge (72), the push-pull force sensor, the second strain gauge and the displacement sensor (73) are all connected with the data processing device (104).
9. Friction plate product grade slip resistance torsion testing device according to any one of claims 1-4, characterized in that the mounting base plate (3) is provided with a stop (33) for avoiding displacement of the first clamping member (12).
10. The friction plate product grade slip resistance torsion test apparatus according to any one of claims 1-4, further comprising a rotating shaft (42) passing through the first clamping member (12) and the second clamping member (11), the first clamping member (12) being provided with a first mounting hole, the second clamping member (11) being provided with a second mounting hole, the rotating shaft (42) being provided in the first mounting hole and the second mounting hole;
one end of the rotating shaft (42) is fixedly arranged on the mounting bottom plate (3), the other end of the rotating shaft extends out of the second clamping piece (11), a bearing (47) is sleeved on the periphery of the rotating shaft (42), and the outer ring of the bearing (47) is in contact with the inner side wall of the first mounting hole or the inner side wall of the second mounting hole; the second clamping member (11) is rotatable about the rotation axis (42) relative to the first clamping member (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310763365.9A CN116858765A (en) | 2023-06-26 | 2023-06-26 | Friction plate product-level anti-slip performance torsion test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310763365.9A CN116858765A (en) | 2023-06-26 | 2023-06-26 | Friction plate product-level anti-slip performance torsion test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116858765A true CN116858765A (en) | 2023-10-10 |
Family
ID=88220837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310763365.9A Pending CN116858765A (en) | 2023-06-26 | 2023-06-26 | Friction plate product-level anti-slip performance torsion test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116858765A (en) |
-
2023
- 2023-06-26 CN CN202310763365.9A patent/CN116858765A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103048136B (en) | High and low temperature environment service life testing machine for joint bearing | |
| CN109058333B (en) | Disc brake for monitoring disc spring force in real time and monitoring method | |
| AU2019357558B2 (en) | Endless-rope-type vertical shaft lifting joint debugging and testing apparatus and method | |
| CN109342219B (en) | Coating shear strength testing arrangement | |
| US4543814A (en) | Device for calibrating torque transducers | |
| US5377549A (en) | Alignment device and method of aligning | |
| CN110411772B (en) | Elevator no-load static traction test detection method and device | |
| CN116858765A (en) | Friction plate product-level anti-slip performance torsion test equipment | |
| CN207850594U (en) | Steel chord type anchor ergometer calibrating installation | |
| CN206876339U (en) | A kind of wind driven generator coupler slipping torque Calibrating experimental bench | |
| CN107957310B (en) | Measuring device for threaded fastener of oil pipe joint | |
| CN106644329B (en) | 120MN bridge support testing machine for high-precision dynamic measurement | |
| CN112393900A (en) | Ball screw pair friction testing device | |
| CN117074023A (en) | Test device for testing strength of bearing rolling body | |
| CN214309839U (en) | Test device for detecting stress relaxation performance of metal material | |
| KR101988605B1 (en) | Test apparatus of characteristic of wheel dynamometer | |
| CN213985017U (en) | Self-adjusting function simulation detection equipment of drum brake | |
| CN209764324U (en) | Multifunctional static braking torque testing device | |
| CN200986498Y (en) | Safety valve online checking device | |
| CN210005137U (en) | Device for measuring stress of rolling pin in lead screw nut by stress ring method | |
| CN107748034B (en) | Counter arm support and torque detection device of detected equipment | |
| CN112161561A (en) | Steel wire rope diameter deviation measuring device and steel wire rope diameter deviation measuring method | |
| CN112697421A (en) | Self-adjusting function simulation detection equipment of drum brake | |
| CN111649854A (en) | Testing device for output power of electric roller | |
| CN110308049A (en) | Multidimensional loads comprehensive test system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |