CN108801662B - Clamp unit hoisting assembly and clamp unit testing device comprising same - Google Patents
Clamp unit hoisting assembly and clamp unit testing device comprising same Download PDFInfo
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- CN108801662B CN108801662B CN201810645765.9A CN201810645765A CN108801662B CN 108801662 B CN108801662 B CN 108801662B CN 201810645765 A CN201810645765 A CN 201810645765A CN 108801662 B CN108801662 B CN 108801662B
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- 238000012360 testing method Methods 0.000 title claims abstract description 68
- 238000009434 installation Methods 0.000 abstract description 11
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009661 fatigue test Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention provides a clamp unit hoisting assembly and a clamp unit testing device comprising the same. The clamp unit hoisting assembly comprises a cross beam, and a first hoisting subassembly and a hoisting plate which are respectively arranged at two ends of the cross beam, wherein the first hoisting subassembly is detachably arranged at one end of the cross beam to hoist a hoisting arm of the clamp unit, the hoisting plate is provided with a plate surface, and the plate surface is in contact with the cross beam and is fixedly arranged on the cross beam. The clamp unit hoisting assembly provided by the invention can realize hoisting of the clamp unit, and can truly simulate the state of the clamp unit after actual loading; the clamp unit testing device can improve the accuracy of a test result, meets the requirements of installation of clamp units of various types and sizes, and is good in universality and wide in adaptability.
Description
Technical Field
The invention belongs to the technical field of railway rolling stock, and particularly relates to a clamp unit hoisting assembly and a clamp unit testing device comprising the same.
Background
The clamp unit is an important part in a brake system of a railway rolling stock, and is mainly used for rolling stocks, motor train units, urban rails and other railway vehicles adopting a disc brake mode. The clamp unit is used as a main component of the basic brake and needs to undergo severe environmental tests before practical application so as to ensure the safety of train running.
The current standard related to the clamp unit environment test requires that the clamp unit performs tests such as air tightness, sensitivity, manual reset, adjustment amount test and the like in a low-temperature environment, and the environment temperature is-40 ℃ at the lowest. Under a low-temperature environment, the low-temperature characteristics of a brake cylinder sealing element or lubricating grease have great influence on the performance of the clamp unit, the range of the one-time adjustment amount of the clamp unit during testing is small and is in the millimeter level, and the result can be judged wrongly due to small deviation during testing; meanwhile, the low-temperature environment test needs to be kept for 48 hours, the energy consumption is high, the cost is high, the time is long when the low-temperature test is carried out, and the requirements for the accuracy of the low-temperature environment test are higher.
At present, the clamp unit does not use a tool in the low-temperature environment test, but is placed on a wooden tray and directly placed in a low-temperature box for testing. The brake pad support and the clamp bottom of the clamp unit are in contact with the wooden tray, the friction force generated by the contact can influence the test result to a certain extent, the loading state of the clamp unit in the actual use process is not met, and the accurate test result with reference significance cannot be provided.
Disclosure of Invention
The invention provides a clamp unit hoisting assembly and a clamp unit testing device comprising the same, aiming at the technical problems.
In order to achieve the purpose, the invention adopts the technical scheme that:
a clamp unit hoisting assembly comprises a cross beam, and a first hoisting subassembly and a hoisting plate which are respectively arranged at two ends of the cross beam, wherein the first hoisting subassembly is detachably arranged at one end of the cross beam to hoist a hoisting arm of a clamp unit, the hoisting plate is provided with a plate surface, and the plate surface is in contact with the cross beam and is fixedly arranged on the cross beam.
Preferably, the first hoisting subassembly comprises an adjusting rod hung at one end of the cross beam, and one end of the adjusting rod is provided with a first fixing piece for fixing the suspension arm of the clamp unit.
Preferably, the cross beam is provided with a plurality of first positioning holes for the adjusting rod to pass through so as to realize hanging, and the first positioning holes are arranged at intervals so as to realize hanging of the adjusting rod at different positions.
Preferably, the outer surface of the adjusting rod is provided with threads, and the adjusting rod is arranged at the first positioning hole through a nut matched with the threads.
Preferably, the clamp unit further comprises a second hoisting subassembly detachably arranged on one side of the hoisting plate, the second hoisting subassembly comprises a hoisting arm arranged on one side of the hoisting plate in a hoisting mode, and a second fixing piece used for hoisting a hoisting seat of the clamp unit is arranged at one end, far away from the hoisting plate, of the hoisting arm.
Preferably, the second hoisting subassembly further comprises a fixing plate for fixing the hoisting arm, wherein one end of the hoisting arm, which is far away from the second fixing piece, is arranged on the fixing plate, and the fixing plate is detachably and fixedly connected to one side of the hoisting plate.
The clamp unit testing device is used for testing a clamp unit, and comprises a support component and at least one group of clamp unit hoisting components arranged on the support component, wherein the clamp unit hoisting components comprise a bottom frame and a support frame arranged on the bottom frame, and the clamp unit hoisting components are fixedly arranged at one end of the support frame.
Preferably, a profile plate for simulating a brake disc is provided on the under frame at a position corresponding to the first hoist sub assembly.
Preferably, the profiling plate comprises two pressing plates arranged in parallel, a plurality of connecting plates for connecting the two pressing plates are arranged between the two pressing plates, and the profiling plate is detachably and fixedly arranged on the bottom frame through the connecting plate located on the outermost side.
Preferably, the underframe comprises a middle rod part, the central axis of the middle rod part and the central axis of the cross beam are located on the same plane, a plurality of second positioning holes for positioning the profile plates are formed in the middle rod part at intervals, and the connecting plate on the outermost side is detachably and fixedly arranged on the second positioning holes.
Compared with the prior art, the invention has the advantages and positive effects that:
1. the clamp unit hoisting assembly provided by the invention can realize hoisting of the clamp unit, can truly simulate the state of the clamp unit after actual loading, and can be used in various devices and equipment which need to simulate the real state according to the needs.
2. The clamp unit testing device provided by the invention has the advantages that the clamp unit to be tested is hung on the clamp unit testing device, the state of the clamp unit after actual loading can be truly simulated, the clamp unit testing device can be applied to performance tests, environmental tests and fatigue tests of the clamp unit, and particularly for low-temperature tests, the current test conditions can be obviously improved, the test errors are reduced, and the accuracy and the reliability of the test results are improved.
3. The clamp unit testing device provided by the invention can meet the installation requirements of clamp units of various types and sizes, and has the advantages of good universality and wide adaptability.
Drawings
Fig. 1 is a first structural schematic diagram of a clamp unit hoisting assembly provided by an embodiment of the invention;
fig. 2 is a structural schematic diagram ii of a clamp unit hoisting assembly provided in the embodiment of the present invention;
FIG. 3 is a schematic structural view of a first lifting subassembly provided in accordance with an embodiment of the present invention;
FIG. 4 is a schematic structural view of a second lifting subassembly provided in accordance with an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a clamp unit testing apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a bracket assembly according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a profile plate according to an embodiment of the present invention;
fig. 8 is a schematic view showing a mounted state of the nipper units.
In the above figures: 1. a cross beam; 11. a first positioning hole; 2. a first lifting subassembly; 21. adjusting a rod; 22. a first fixing member; 23. mounting holes; 3. hoisting the plate; 31. plate surface; 4. a second lifting subassembly; 41. hoisting the arm; 42. a second fixing member; 43. a fixing plate; 5. mounting a beam; 6. a bracket assembly; 61. a chassis; 611. a middle rod part; 612. a second positioning hole; 62. a support frame; 63. a connecting rod; 7. a profile plate; 71. pressing a plate; 72. a connecting plate; 73. and (5) thickening the plate.
Detailed Description
The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In one aspect, the embodiment of the present invention provides a gripper unit hoisting assembly, and fig. 1 is a schematic structural view of the gripper unit hoisting assembly, where fig. 1(a) is defined as a front view, and fig. 1(b) is a top view. The clamp unit hoisting assembly comprises a cross beam 1, and a first hoisting subassembly 2 and a hoisting plate 3 which are respectively arranged at two ends of the cross beam 1, wherein the first hoisting subassembly 2 is detachably arranged at one end of the cross beam 1 to hoist a hoisting arm of the clamp unit, the hoisting plate 3 is provided with a plate surface 31, and the plate surface 31 is in contact with the cross beam 2 and is fixedly arranged on the cross beam 2.
The clamp unit hoisting assembly provided by the embodiment can realize hoisting of the clamp unit, can truly simulate the state of the clamp unit after actual loading, is particularly suitable for a test device of the clamp unit, and particularly for low-temperature tests, can improve the current test conditions, reduce test errors and improve the accuracy and reliability of test results.
The clamp unit hoisting assembly provided by the embodiment can be used for dismounting the first hoisting subassembly 2 and installing the mounting plate of the clamp unit on the hoisting plate 3 to realize hoisting of the mounting plate suspended clamp unit when the mounting plate suspended clamp unit is hoisted, so that the actual loading state of the clamp unit is simulated.
Fig. 3 shows a schematic view of a preferred construction of the first hanger subassembly 3 according to an embodiment of the present invention, wherein fig. 3(a) is defined as a front view, fig. 3(b) is a side view, and fig. 3(c) is a top view. In a preferred embodiment, the first hoisting subassembly 2 comprises an adjusting rod 21 and a first fixing member 22 arranged at one end of the adjusting rod 21 for fixing the boom of the clamp unit, and the adjusting rod 21 is hoisted at one end of the beam 1. As shown in fig. 3(a), in order to improve structural stability, the number of the adjustment levers 31 is preferably two, and the two adjustment levers 31 are preferably arranged side by side. Preferably, the first fixing unit 22 is provided with a mounting hole 23 for engaging with the boom of the clamp unit so as to mount the boom on the first fixing unit 22, but it is understood that other structures for mounting the boom may be adopted.
As a preferred embodiment, as shown in fig. 1(b), a plurality of first positioning holes 11 for the adjusting rod 21 to pass through for hanging are formed on the cross beam 1, and the plurality of first positioning holes 11 are arranged at intervals for hanging the adjusting rod 21 at different positions. Through arranging the first positioning holes 11 at different positions of the cross beam 1, the adjusting rods 21 for hanging the clamp unit hanging arms can be positioned to different positions as required, so that the clamp units of different types and sizes can be hoisted.
In a preferred embodiment, the outer surface of the adjustment rod 21 is provided with a screw thread, and as shown in fig. 1(a), the adjustment rod 21 is provided on the cross beam 1 by a nut engaged with the screw thread. The outer surface of the adjusting rod 21 is provided with threads, the adjusting rod 21 can be adjusted to a proper height according to different models of clamp units to be tested, then the adjusting rod 21 is fixedly arranged on the cross beam 1 through nuts, the height of the adjusting rod 21 in the vertical direction is adjusted, and then the height of the suspension arm of the clamp unit is adjusted, so that the clamp unit is suitable for clamp units of different models and sizes.
Further, referring to fig. 2, the gripper unit lifting assembly further comprises a second lifting subassembly 4 detachably disposed at one side of the lifting plate 3, wherein fig. 2(a) is a perspective view of the lifting assembly in this embodiment, and fig. 2(b) is defined as a front view of fig. 2 (a). Fig. 4 is a schematic structural view of the second hanger subassembly 4, wherein fig. 4(a) is defined as a front view, fig. 4(b) is a side view, and fig. 4(c) is a top view. The second hoisting subassembly 4 comprises a hoisting arm 41 hoisted on one side of the hoisting plate 3, and a second fixing piece 42 for hoisting a hoisting seat of the clamp unit is arranged at one end of the hoisting arm 41 far away from the hoisting plate 3.
In the above embodiment, as shown in fig. 4(a), the second hoisting subassembly 4 preferably comprises two hoisting arms 41 arranged side by side at intervals, and one end of each hoisting arm 41 is provided with the second fixing member 42. The second fixing member 42 is preferably two rings arranged along the length direction of the lifting arm 41 at intervals, and the two rings are arranged coaxially. When the structure is used for actual hoisting, the hoisting seat of the clamp unit is arranged between the two second fixing parts 42, two ends of a pin shaft penetrate through the through hole of the hoisting seat and respectively extend out of the two circular rings of the two second fixing parts 42, and the two ends of the pin shaft are fixed at the circular rings by matching with bolts and nuts, so that the hoisting of the hoisting seat is realized. It should be understood that the above embodiments are only preferred embodiments, and should not be taken as a limitation to the present invention, as long as the hoisting of the clamp unit hanger can be realized, for example, only one hoisting arm 41 can be provided, and the second fixing member 42 can be changed in shape and structure as required, as long as the installation of the hanger can be realized.
Preferably, as shown in fig. 4, the second hoisting subassembly 4 further comprises a fixing plate 43 for fixing the hoisting arm 41, wherein one end of the hoisting arm 41 far away from the second fixing member 42 is arranged on the fixing plate 43, and as shown in fig. 2, the fixing plate 43 is detachably and fixedly connected to one side of the hoisting plate 3. Preferably, as shown in fig. 2, the fixing plate 43 may be a plate having the same size as the hoisting plate 3 for easy installation and fixation. Through the arrangement of the fixing plate 43, the second hoisting subassembly 4 can be installed and detached independently of the hoisting plate 3, so that the clamp unit hoisting assembly can be flexibly detached and installed among parts, and is suitable for hoisting clamp units of different types.
For the clamp unit hoisting assembly provided by each of the above embodiments, as for a three-point suspended clamp unit, both the first hoisting subassembly 2 and the second hoisting subassembly 4 can be installed (as shown in fig. 2), the first hoisting subassembly 2 is used for hoisting two boom arms of the three-point suspended clamp unit, the second hoisting subassembly 4 is used for hoisting a hoisting seat of the three-point suspended clamp unit, and the hoisting position and height of the adjusting rod 21 are adjusted according to the size of the clamp unit, so that the three-point suspended hoisting of the three-point suspended clamp unit is realized, and the actual loading state is simulated.
Further, in order to facilitate the installation of the clamp unit hoisting assembly on other devices or apparatuses, as shown in fig. 1, the clamp unit hoisting assembly further includes an installation beam 5 disposed at one end of the cross beam 1, the installation beam 5 and the cross beam 1 are located in the same plane and are perpendicular to the cross beam, and the hoisting plate is fixedly disposed on one side of the cross beam 1 and one side of the installation beam 5.
As shown in fig. 5, another aspect of the present invention provides a clamp unit tester, where fig. 5(a) is defined as a front view, fig. 5(b) is a side view, and fig. 5(c) is a top view. The clamp unit testing device is used for testing a clamp unit, and comprises a bracket component 6 and at least one group of clamp unit hoisting components arranged on the bracket component 6, wherein the bracket component 6 comprises a bottom frame 61 and a support frame 62 arranged on the bottom frame 61, and the clamp unit hoisting components are fixedly arranged at one end of the support frame 62.
The clamp unit testing device provided by the embodiment of the invention has the advantages that the clamp unit to be tested is hung on the clamp unit testing device, the state of the clamp unit after actual loading can be truly simulated, particularly for low-temperature tests, the current test conditions can be improved, the test errors are reduced, and the accuracy and the reliability of the test results are improved. However, it can be understood that the test device can be applied to not only low-temperature tests, but also other tests needing to simulate actual use states.
It should be further noted that the gripper unit testing apparatus provided in fig. 5 includes two sets of gripper unit lifting assemblies symmetrically mounted with respect to the axis of the carriage assembly 6, but it is understood that the scope of the claimed invention also includes the case where only one or more sets of gripper unit lifting assemblies are provided, and the user can select them according to the needs of the actual test.
As a preferred embodiment, as shown in fig. 6, the base frame 61 includes a plurality of rod portions arranged side by side, two ends of the plurality of rod portions are connected at intervals by a connecting rod 63, two ends of the outer rod portion are provided with the supporting frames 62, and the supporting frames 62 are perpendicular to the plane of the base frame 61 and are arranged to abut against the connecting rod 63. It will be appreciated that the above-described composition and construction of the bracket assembly 6 is only one specific embodiment and should not be construed as limiting the invention, but it could also be any other existing structure that performs a supporting function. In order to save raw materials and enhance structural stability, it is preferable that the connecting rod 63 has a sectional shape of a v-21274', as shown in fig. 6(a), with an opening of the v-21274h being disposed toward the opposite direction of the supporting bracket 62 to reinforce the fixing of the supporting bracket 62.
In a preferred embodiment, a profile plate 7 simulating a brake disc is arranged on the base frame 61 at a position corresponding to the first lifting subassembly 2. The profiling plate 7 is arranged for simulating a brake disc, and when the brake state is realized, the brake pad of the clamp unit clamps the profiling plate 7, so that the state in the actual brake process is restored as far as possible, and the accuracy of the test result is improved. The shape plate 7 shown in fig. 5 is in a state when the clamp unit is not installed, when the test is started, the clamp unit to be tested is firstly hoisted on the clamp unit hoisting assembly, at this time, the specific position of the first hoisting subassembly 2 is determined according to the size of the clamp unit to be tested, and then the shape plate 7 is correspondingly arranged between brake pads of the clamp unit, namely, the position corresponding to the first hoisting subassembly 2, so that the installation is carried out.
As shown in FIG. 7, the present invention provides an embodiment of profile plate 7, with FIG. 7(a) being defined as a front view and FIG. 7(b) being a side view. The profile plate 7 comprises two press plates 71 which are arranged in parallel and used for being clamped by the brake pads of the clamp unit, a plurality of connecting plates 72 for connecting the two press plates 71 are arranged between the two press plates 71, and the outermost connecting plate 72 is detachably and fixedly arranged on the bottom frame 61. The present embodiment provides a preferred configuration of the profile plate 7, which uses less material, has good stability and facilitates the clamping of the gripper unit.
Referring to fig. 7, thickened plates 73 with a certain thickness are detachably and fixedly arranged on the outer sides of the two pressing plates 71 respectively. Brake discs of different thicknesses can be simulated by arranging the thickened plate 73 on the outer side of the pressure plate 71. A plurality of thickened plates 73 with different thicknesses can be designed according to the size of the profile plate 71, and the thickened plates 73 with proper thicknesses are selected according to the thickness of the simulated brake disc during actual test.
Preferably, as shown in fig. 6(b), the base frame 61 includes an intermediate rod portion 611, the central axis of the intermediate rod portion 611 and the central axis of the cross beam 1 are located on the same plane (as shown in fig. 5 (c)), a plurality of second positioning holes 612 are spaced on the intermediate rod portion 611 for positioning the profile plate 7, and the outermost connecting plate 72 is detachably fixed to the second positioning holes 612, for example, the profile plate 7 can be fixed to the second positioning holes 112 by bolts. The plurality of second positioning holes 612 can be arranged to position the profile plates 7 at different positions, so that the clamp units of different types and sizes can be matched, and the universality is good.
Fig. 8 is a state view of the clamp unit testing apparatus in which the clamp unit is mounted. The test device with two groups of clamp unit hoisting assemblies symmetrically arranged is shown in fig. 8, and can be used for simultaneously testing two clamp units, so that the test efficiency is improved. The clamp unit hoisting assembly comprises a clamp unit hoisting assembly, a clamp unit and a clamp unit, wherein the clamp unit hoisting assembly is provided with a plurality of sub assemblies, and the clamp unit. The clamp units installed in fig. 8 are two different types of clamp units, namely the above-mentioned mounting plate hanging type clamp unit and three-point hanging type clamp unit, as shown in fig. 8, for the mounting plate hanging type clamp unit, the first hoisting subassembly 2 and the second hoisting subassembly 4 in the clamp unit hoisting assembly can be detached, and the mounting plate of the clamp unit can be installed on the hoisting plate 3 for hoisting; aiming at the three-point suspension type clamp unit, the first hoisting subassembly 2 and the second hoisting subassembly 4 can be reserved, and three-point installation is realized.
The clamp unit testing device provided by each embodiment can simulate the actual loading state of the clamp unit, can be applied to performance tests, environmental tests and fatigue tests of the clamp unit, particularly low-temperature tests, and can improve the accuracy of test results, and the clamp unit testing device can meet the requirements of the installation of clamp units of various types and sizes by the arrangement of the first positioning hole 11, the second positioning hole 612, the adjusting rod 21, the thickening plate 73 and the detachable design among the subassemblies, and is high in compatibility, wide in adaptability and high in accuracy of test results.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (8)
1. A clamp unit hoist and mount subassembly which characterized in that: the clamp unit comprises a cross beam, a first hoisting subassembly and a hoisting plate, wherein the first hoisting subassembly and the hoisting plate are respectively arranged at two ends of the cross beam, the first hoisting subassembly is detachably arranged at one end of the cross beam to hoist a hoisting arm of the clamp unit, the first hoisting subassembly comprises an adjusting rod which is hoisted at one end of the cross beam, and one end of the adjusting rod is provided with a first fixing piece which is used for fixing the hoisting arm of the clamp unit; the hoisting plate is provided with a plate surface, and the plate surface is in contact with the cross beam and is fixedly arranged on the cross beam; the clamp unit hoisting assembly further comprises a second hoisting subassembly detachably arranged on one side of the hoisting plate, the second hoisting subassembly comprises a hoisting arm arranged on one side of the hoisting plate in a hoisting mode, and a second fixing piece used for hoisting a hoisting seat of the clamp unit is arranged at one end, far away from the hoisting plate, of the hoisting arm.
2. The gripper unit lifting assembly of claim 1, wherein: the beam is provided with a plurality of first positioning holes for the adjusting rod to penetrate through so as to realize hanging, and the first positioning holes are arranged at intervals so as to realize hanging of the adjusting rod at different positions.
3. The gripper unit lifting assembly of claim 2, wherein: the outer surface of the adjusting rod is provided with threads, and the adjusting rod is arranged at the first positioning hole through a nut matched with the threads.
4. The gripper unit lifting assembly of claim 1, wherein: the second hoisting subassembly further comprises a fixing plate for fixing the hoisting arm, one end, far away from the second fixing piece, of the hoisting arm is arranged on the fixing plate, and the fixing plate is detachably and fixedly connected to one side of the hoisting plate.
5. The utility model provides a clamp unit testing device for test clamp unit, includes the bracket component, its characterized in that: the clamp unit hoisting assembly is arranged on the bracket assembly, the bracket assembly comprises a base frame and a support frame arranged on the base frame, and the clamp unit hoisting assembly is fixedly arranged at one end of the support frame.
6. The jaw unit testing apparatus of claim 5, wherein: and a profiling plate for simulating a brake disc is arranged on the underframe at a position corresponding to the first hoisting subassembly.
7. The jaw unit testing apparatus of claim 6, wherein: the profiling plate comprises two pressing plates which are arranged in parallel, a plurality of connecting plates for connecting the two pressing plates are arranged between the two pressing plates, and the profiling plate is detachably and fixedly arranged on the bottom frame through the connecting plate located on the outermost side.
8. The jaw unit testing apparatus of claim 7, wherein: the base frame comprises a middle rod part, the central axis of the middle rod part and the central axis of the cross beam are located on the same plane, a plurality of second positioning holes used for positioning the profile plates are formed in the middle rod part at intervals, and the connecting plate on the outermost side is detachably and fixedly arranged on the second positioning holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810645765.9A CN108801662B (en) | 2018-06-21 | 2018-06-21 | Clamp unit hoisting assembly and clamp unit testing device comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810645765.9A CN108801662B (en) | 2018-06-21 | 2018-06-21 | Clamp unit hoisting assembly and clamp unit testing device comprising same |
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| Publication Number | Publication Date |
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| CN108801662A CN108801662A (en) | 2018-11-13 |
| CN108801662B true CN108801662B (en) | 2020-01-07 |
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| CN201810645765.9A Active CN108801662B (en) | 2018-06-21 | 2018-06-21 | Clamp unit hoisting assembly and clamp unit testing device comprising same |
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| CN109545029A (en) * | 2018-12-29 | 2019-03-29 | 株洲壹星科技股份有限公司 | A kind of brake unit for rolling stock brake comprehensive training teaching |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203405337U (en) * | 2013-07-16 | 2014-01-22 | 南京浦镇海泰制动设备有限公司 | Fatigue test bed for braking clamp |
| CN105043791B (en) * | 2015-09-10 | 2018-01-26 | 常州信息职业技术学院 | A kind of pneumatic gripping testing stand |
| CN206479333U (en) * | 2016-12-21 | 2017-09-08 | 南京雷尔伟新技术有限公司 | A kind of car clamp constitutes bench test frock |
| CN106680000B (en) * | 2017-01-04 | 2019-08-27 | 中车青岛四方车辆研究所有限公司 | Brake clamp testing stand |
| CN106840632B (en) * | 2017-02-15 | 2019-03-01 | 常州中车铁马科技实业有限公司 | A kind of detection device and detection method of high-speed train braking nipper units |
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Effective date of registration: 20231129 Address after: No. 231, Ruichang Road, North District, Qingdao, Shandong Patentee after: China Railway Inspection and Certification (Qingdao) Vehicle Inspection Station Co.,Ltd. Address before: No. 231, Ruichang Road, North District, Qingdao, Shandong Patentee before: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. |