CN112701542A - Plug type quick-release structure of vibration exciter of material friction abnormal sound test bed - Google Patents
Plug type quick-release structure of vibration exciter of material friction abnormal sound test bed Download PDFInfo
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- CN112701542A CN112701542A CN202011375146.6A CN202011375146A CN112701542A CN 112701542 A CN112701542 A CN 112701542A CN 202011375146 A CN202011375146 A CN 202011375146A CN 112701542 A CN112701542 A CN 112701542A
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- rod
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- sliding
- abnormal sound
- slot
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 230000002159 abnormal effect Effects 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 title claims abstract description 21
- 230000005284 excitation Effects 0.000 claims abstract description 55
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 210000001503 joint Anatomy 0.000 claims description 15
- 238000003780 insertion Methods 0.000 description 13
- 230000037431 insertion Effects 0.000 description 13
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 241000447495 Equulites leuciscus Species 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
Abstract
The invention relates to the technical field of abnormal sound friction test equipment, and discloses a plug type quick-release structure of a vibration exciter of a material friction abnormal sound test bed, which comprises a male plug and a female plug, wherein the female plug comprises a slot; the male plug comprises an insert rod, a first sliding opening is formed in the side portion of the insert rod, a first wedge-shaped rod is connected to the first sliding opening in a sliding mode, and a first wedge-shaped surface is formed in the first wedge-shaped rod; the top and the bottom of the first sliding port are both provided with a second sliding port, a push rod is connected in the second sliding port in a sliding manner, and the side part of the push rod is provided with a second wedge-shaped surface; the top surface and the bottom surface of the inserted bar are both hinged with a hinged plate, a first elastic element is arranged between the hinged plate and the inserted bar, and the hinged plate is abutted against the push rod positioned on the same side; a pressure lever is hinged on the inserted link; the locking unit is used for locking the pressing rod. This application can realize encouraging the high-speed joint and the quick dismantlement of output shaft and excitation input shaft in the material friction abnormal sound is experimental, convenient to use, and simple structure easily realizes, is suitable for using widely.
Description
Technical Field
The invention belongs to the technical field of abnormal sound friction test equipment.
Background
NVH is an english abbreviation of Noise, Vibration and Harshness (Noise, Vibration, Harshness), is a comprehensive problem for measuring automobile manufacturing quality, and the NVH problem of the automobile is one of the concerns of various large automobile manufacturing enterprises and component enterprises in the international automobile industry.
At present, the vibration exciter is the most commonly used excitation source in the friction abnormal sound testing process, and an excitation output shaft of the vibration exciter is connected with an excitation input shaft of a testing box in an adhesion or bolt connection mode. However, in the test, two or more kinds of excitation inputs may be required, so that the excitation output shaft needs to be frequently switched, and if the excitation output shaft and the excitation input shaft are connected by bonding or bolting, a great deal of effort is required to detach the excitation output shaft and the excitation input shaft, which is very troublesome.
Disclosure of Invention
The invention aims to provide a plug type quick-release structure of a vibration exciter of a material friction abnormal sound test bed, so as to realize quick disassembly and assembly of an excitation output shaft and an excitation input shaft.
In order to achieve the above object, the basic scheme of the present invention provides a plug-type quick release structure for a vibration exciter of a material friction abnormal sound test bed, which comprises a male plug arranged on an excitation output shaft and a female plug arranged on an excitation input shaft, wherein the female plug comprises a slot arranged on the side of the excitation output shaft, the cross section of the slot is trapezoidal, and an opening is arranged on the front side of the slot; the male plug comprises an inserting rod fixed on the excitation output shaft, a first sliding opening is formed in the side portion, far away from the excitation output shaft, of the inserting rod, a first wedge-shaped rod is connected to the first sliding opening in a sliding mode, and first wedge-shaped surfaces are arranged on the top surface and the bottom surface of the first wedge-shaped rod; the top and the bottom of the first sliding port are both provided with a second sliding port, a push rod is connected in the second sliding port in a sliding manner, a second wedge-shaped surface is arranged on the side part of the push rod close to the first sliding port, and the second wedge-shaped surface is matched with the first wedge-shaped surface; the top surface and the bottom surface of the inserted bar are both hinged with a hinged plate, a first elastic element is arranged between the hinged plate and the inserted bar, and the hinged plate is abutted against the push rod positioned on the same side; a pressure rod is hinged on the inserted rod, extends along the length direction of the inserted rod and can press the first wedge-shaped rod; the locking unit is used for locking the pressing rod.
The principle and the beneficial effect of the basic scheme are as follows:
in a material friction abnormal sound test, when an excitation output shaft and an excitation input shaft are connected together, an exciter is started, the excitation output shaft drives an insertion rod of a male plug to be inserted into a slot of a female plug, a pressing rod is pushed to a position parallel to the insertion rod, the pressing rod extrudes a first wedge-shaped rod, the first wedge-shaped rod is matched with a push rod, the push rod slides outwards the insertion rod and pushes a hinged plate to open, the hinged plate is abutted against the upper inner side surface/lower inner side surface of the slot, the insertion rod is limited to be pulled out, the extrusion state of the pressing rod is locked by a locking unit, and therefore connection and installation of the excitation output shaft and the excitation input shaft are achieved.
When the hinge plate is disassembled, the locking unit is opened, and after the pressure lever is unlocked, the hinge plate is reset under the action of the restoring force of the first elastic element, so that the inserted rod can be smoothly pulled out of the slot; the hinged plate resets to drive the push rod and the first wedge-shaped rod to reset, so that the press rod is ejected out; and then the excitation output shaft drives the inserted bar of the male plug to be pulled out from the slot of the female connector, so that the disassembly can be realized.
The plug type quick-release structure of the vibration exciter can realize quick connection and quick disassembly of the excitation output shaft and the excitation input shaft, is convenient to use, simple in structure, easy to realize and suitable for popularization and use.
Optionally, the locking unit comprises a slide rail fixed on the outer wall of the excitation input shaft, a limiting plate is horizontally and movably connected in the slide rail, the opening is located in the stroke range of the limiting plate, and when the pressing rod is parallel to the inserted rod, the side part of the pressing rod abuts against the limiting plate; and a second elastic piece is fixed at one end of the limiting plate, and one end, far away from the limiting plate, of the second elastic piece is fixed on the outer wall of the excitation input shaft.
The opening is located the formation within range of limiting plate, and when the depression bar passed the opening and extrudeed first wedge pole to deepest, the depression bar was parallel with the inserted bar, and limiting plate this moment can also restrict the depression bar and kick-back when covering the opening, promotes the stability and the reliability of the first wedge pole of depression bar extrusion, and then promotes the stability and the reliability that public plug and female plug are connected. In addition, the slide rail can play the effect of direction to the slip of slide, and the setting of second elastic component then can let the quick automatic re-setting of limiting plate.
Optionally, a pull rod is arranged on the limiting plate.
Due to the arrangement of the pull rod, an operator can conveniently push the limiting plate to slide along the sliding rail, so that the opening can be rapidly opened or closed.
Optionally, a butt joint port corresponding to the first sliding port is formed in the rear side portion of the slot, and the first wedge rod can be inserted into the butt joint port.
The arrangement of the butt joint port is characterized in that on one hand, the first wedge-shaped rod is inserted into the butt joint port, the insertion rod can be fixedly connected with the female plug through the first wedge-shaped rod, the connection strength of the male plug and the female plug is improved, the connection stability and reliability of the male plug and the female plug are enhanced, and the excitation output shaft can drive the excitation input shaft to move together more stably; on the other hand, the arrangement of the interface increases the movable space of the first wedge-shaped rod, and the distance that the push rod can be pushed out is increased from the side surface, so that the angle that the hinged plate can be opened is increased, the mutual abutting action of the hinged plate and the inner wall of the slot is enhanced, and the connection reliability of the male plug and the female plug is further enhanced.
Optionally, the length of the first wedge bar is greater than the depth of the first sliding port and less than or equal to the sum of the depths of the first sliding port and the docking port.
So set up, can guarantee that first wedge pole can insert in the interface to reinforcing public plug and female plug are connected's stability and reliability.
Optionally, a third elastic member is disposed at the center of the docking port.
When the first wedge rod is inserted into the butt joint port, the third elastic piece is extruded; when the first wedge-shaped rod needs to slide out of the butt joint, the third elastic piece can provide assistance for sliding out of the first wedge-shaped rod, and the first wedge-shaped rod is easy to pop up and reset.
Optionally, the hinge plate is provided with a plurality of friction ribs on the side away from the first elastic element.
The friction rib can increase the friction effect between the hinged plate and the inner side wall of the slot, and reduce the probability of relative sliding between the hinged plate and the inner side wall of the slot, so that the inserted rod is limited to be pulled out of the slot, and the inserted rod can be limited in the slot and can drive the excitation input shaft to move left and right.
Optionally, the inner wall of the slot is provided with a plurality of friction grooves matched with the friction ribs.
Through the mutual cooperation of friction recess and friction bead, can further increase the friction between articulated slab and the slot inside wall, reduce the probability that articulated slab and slot inside wall take place relative slip to the restriction inserted bar is extracted from the slot.
Optionally, a centering unit for centering the insert rod with the insert groove is further included.
The centering unit can enable the inserted bar and the slot to be centered when being connected, on one hand, the centering unit plays a role in guiding the movement of the inserted bar, and on the other hand, the two hinged plates can better and more accurately abut against the inner side wall of the slot when being opened, so that the inserted bar is limited to be pulled out.
Optionally, the centering unit includes a centering groove formed in the center of the insertion groove and a centering rod fixed to an end of the insertion rod, and the centering rod is matched with the centering groove.
In the process of connecting the excitation output shaft and the excitation input shaft, the centering rod is gradually inserted into the centering groove to realize centering, the movement of the inserting rod is guided, the inserting rod is prevented from deviating in the process of inserting into the slot, and therefore the two hinged plates can better and more accurately abut against the inner side wall of the slot when being opened.
Drawings
FIG. 1 is a schematic structural view of a plug-type quick release structure of a vibration exciter of a material friction abnormal sound test bed according to the present invention, wherein a plug rod is not inserted into a slot;
FIG. 2 is a schematic structural view of the compression bar and the insertion bar being parallel to each other;
fig. 3 is a cross-sectional view a-a of fig. 2.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises an excitation output shaft 1, an excitation input shaft 2, a female plug 4, an insert rod 5, a slot 6, a first sliding port 7, a butt joint port 8, a first wedge rod 9, a first wedge surface 10, a push rod 11, a hinge plate 12, a first elastic piece 13, a pressure rod 14, a slide rail 15, a limiting plate 16, a second elastic piece 17, a friction rib 18, a third elastic piece 19, a centering rod 20 and a centering groove 21.
Example 1
A plug type quick-release structure of a vibration exciter of a material friction abnormal sound test bed mainly comprises a male plug and a female plug 4, and is shown by combining attached drawings 1 and 2, wherein the female plug 4 comprises a slot 6 arranged at the left side part of an excitation output shaft 1, the longitudinal section of the slot 6 is trapezoidal, and the front side part of the slot 6 is provided with an opening. The male plug comprises an inserting rod 5, the inserting rod 5 is welded or fixedly connected to the end part of the excitation output shaft 1 through a bolt, a first sliding port 7 is formed in the right side part of the inserting rod 5, and the extending direction of the first sliding port 7 is perpendicular to the front side surface of the inserting rod 5; referring to fig. 3, a first wedge rod 9 is slidably connected in the first sliding opening 7, and a first wedge surface 10 is formed on each of the upper side surface and the lower side surface of the first wedge rod 9; the first sliding port 7 penetrates through the inserting rod 5, a butt joint port 8 corresponding to the first sliding port 7 in position is formed in the rear side portion of the inserting groove 6, the butt joint port 8 can accommodate a first wedge-shaped rod 9 to be inserted, the length of the first wedge-shaped rod 9 is larger than the depth of the first sliding port 7, and is smaller than or equal to the sum of the depths of the first sliding port 7 and the butt joint port 8; a third elastic piece 19 is arranged in the butt joint port 8, and the third elastic piece 19 is a pressure spring. The upper side surface and the lower side surface of the first sliding port 7 are both provided with second sliding ports, and the extending direction of the second sliding ports is vertical to the extending direction of the first sliding port 7; a push rod 11 is connected in the second sliding port in a sliding manner, a second wedge-shaped surface is formed on one side, close to the first sliding port 7, of the push rod 11, and the second wedge-shaped surface is matched with the first wedge-shaped surface 10.
The upper side surface and the lower side surface of the right part of the inserted bar 5 are both hinged with a hinged plate 12, and the free end of the hinged plate 12 faces the right side surface of the slot 6; a second elastic element 17 is fixedly connected between the hinged plate 12 and the inserted link 5, and the second elastic element 17 is a tension spring. The side of the hinge plate 12 facing the plug rod 5 can be abutted against the push rod 11 on the same side. The side of the hinged plate 12 far away from the second elastic element 17 is integrally formed with a plurality of friction ribs 18, the upper inner side and the lower inner side of the slot 6 are both formed with friction grooves, and the friction ribs 18 are matched with the friction grooves, so that the probability of relative sliding between the hinged plate 12 and the slot 6 can be further reduced, and the stability of the excitation output shaft 1 driving the excitation input shaft 2 to move through the inserted rod 5 is improved.
A compression bar 14 is hinged to the left portion of the inserted rod 5, the height of the compression bar 14 is smaller than that of the inserted rod 5, the compression bar 14 extends along the length direction of the inserted rod 5, the opening height can allow the compression bar 14 to penetrate through, and when the compression bar 14 swings anticlockwise to a position parallel to the inserted rod 5, the right portion of the compression bar 14 just abuts against the first wedge-shaped rod 9 and can press the first wedge-shaped rod 9 to the deepest position.
The locking unit is provided on the left side portion of the female joint and is used for locking the pressing rod 14 to enhance the stability of the pressing rod 14 to the first wedge rod 9. The locking unit mainly comprises a slide rail 15, a limiting plate 16 and a second elastic part 17, wherein the slide rail 15 is welded on the outer wall of the front side of the female joint, the limiting plate 16 is horizontally and slidably connected in the slide rail 15, the opening of the slot 6 is positioned in the motion stroke range of the limiting plate 16, and when the pressing rod 14 rotates anticlockwise to a position parallel to the inserted rod 5, the front side surface of the right part of the pressing rod 14 abuts against the limiting plate 16. A second elastic member 17 is fixedly connected to the right side portion of the limit plate 16, a section of the second elastic member 17 is fixed to the outer side wall of the excitation input shaft 2, and the second elastic member 17 is a compression spring. The middle part of the front side of the limiting plate 16 is welded with a pull rod, so that an operator can conveniently push the limiting plate 16 to move.
In the material friction abnormal sound test, initially, the free end of the pressure lever 14 is close to the right part of the inserted link 5, the two hinged plates 12 are respectively attached to the upper side and the lower side of the inserted link 5, the first elastic element 13 is in a natural state, and the opening is covered by the limiting plate 16.
In the test, the excitation output shaft 1 of the exciter is moved to a position corresponding to the excitation input shaft 2. And starting the vibration exciter to extend the excitation output shaft 1 and drive the inserted rod 5 to be inserted into the slot 6 of the excitation input shaft 2. Then, the limiting plate 16 is pushed to the right side by the pull rod, and the opening is opened; promote depression bar 14, make the free end of depression bar 14 toward the direction rotation that is close to inserted bar 5, make depression bar 14 support gradually and lean on first wedge rod 9, and promote first wedge rod 9 and remove toward first slip mouth 7 depths, first wedge rod 9 is at the slip in-process, through mutually supporting of first wedge 10 and second wedge, can promote push rod 11 and slide toward inserted bar 5 outside, push rod 11 supports and leans on the inboard of articulated slab 12 and can promote the free end of articulated slab 12 and toward the direction swing of keeping away from inserted bar 5, make articulated slab 12 open gradually. When the pressing rod 14 rotates to a position parallel to the inserting rod 5, the first wedge-shaped rod 9 is extruded to the deepest part and is pushed into the butt joint opening 8, at the moment, one end of the push rod 11 also moves to the farthest position towards the outside of the inserting rod 5, so that the hinge plate 12 is pushed to the largest swinging position and is abutted against the upper inner side surface/lower inner side surface of the inserting groove 6, the inserting rod 5 is limited to be pulled out, and the inserting rod 5 can be limited in the inserting groove 6 and can drive the excitation input shaft 2 to move left and right. At this time, the pull rod is loosened, the limiting plate 16 slides leftwards under the action of the restoring force of the second elastic piece 17 to cover the opening again, so that the pressing rod 14 abuts against the limiting plate 16, the limiting plate 16 can limit the pressing rod 14 to swing backwards, and the stability of the pressing action of the pressing rod 14 on the first wedge-shaped rod 9 is enhanced.
After the test is finished, the limiting plate 16 is pushed again through the pull rod, so that the limiting plate 16 slides rightwards, and the opening is opened. After the pressure lever 14 loses the limit of the limit plate 16, the hinge plate 12 is attached to the upper/lower side of the insertion rod 5 again under the restoring force of the first elastic element 13, so that the insertion rod 5 can be smoothly pulled out of the slot 6. In the process, the push rod 11 is pushed by the hinge plate 12 to move towards the first sliding opening 7, and the first wedge-shaped rod 9 is gradually moved towards the direction of withdrawing from the first sliding opening 7 through the mutual matching of the first wedge-shaped surface 10 and the second wedge-shaped surface, so that the press rod 14 is ejected out and restored to the original position for the next use.
The plug type quick-release structure of the vibration exciter can realize quick connection and quick disassembly of the excitation output shaft 1 and the excitation input shaft 2, is convenient to use, simple in structure, easy to realize and suitable for popularization and use.
Example 2
The present embodiment is different from embodiment 1 in that: the present embodiment further comprises a centering unit for centering the insert rod 5 with the insert groove 6. Referring to fig. 1, the centering unit includes a centering groove 21 formed at the center of the insertion groove 6 and a centering rod 20 fixed to the end of the insertion rod 5, the centering groove 21 communicates with the right side of the insertion groove 6, and the centering rod 20 is engaged with the centering groove 21.
In a material friction abnormal sound test, in the process of connecting the excitation output shaft 1 and the excitation input shaft 2, the centering rod 20 is gradually inserted into the centering groove 21 to realize centering, and plays a role in guiding the movement of the inserting rod 5, so that the inserting rod 5 is prevented from deviating in the process of being inserted into the slot 6, and the two hinge plates 12 can better and more accurately abut against the inner side wall of the slot 6 when being opened.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. Material friction abnormal sound test bench vibration exciter plug-type rapid disassembly structure, its characterized in that: the excitation output shaft is provided with a male plug and a female plug, the male plug is arranged on the excitation output shaft, the female plug is arranged on the excitation input shaft and comprises a slot, the slot is formed in the side part of the excitation output shaft, the section of the slot is trapezoidal, and an opening is formed in the front side of the slot; the male plug comprises an inserting rod fixed on the excitation output shaft, a first sliding opening is formed in the side portion, far away from the excitation output shaft, of the inserting rod, a first wedge-shaped rod is connected to the first sliding opening in a sliding mode, and first wedge-shaped surfaces are arranged on the top surface and the bottom surface of the first wedge-shaped rod; the top and the bottom of the first sliding port are both provided with a second sliding port, a push rod is connected in the second sliding port in a sliding manner, a second wedge-shaped surface is arranged on the side part of the push rod close to the first sliding port, and the second wedge-shaped surface is matched with the first wedge-shaped surface; the top surface and the bottom surface of the inserted bar are both hinged with a hinged plate, a first elastic element is arranged between the hinged plate and the inserted bar, and the hinged plate is abutted against the push rod positioned on the same side; a pressure rod is hinged on the inserted rod, extends along the length direction of the inserted rod and can press the first wedge-shaped rod; the locking unit is used for locking the pressing rod.
2. The plug type quick-release structure of the exciter of the material friction abnormal sound test bed according to claim 1, is characterized in that: the locking unit comprises a sliding rail fixed on the outer wall of the female joint, a limiting plate is horizontally and movably connected in the sliding rail, an opening is positioned in the stroke range of the limiting plate, and when the pressing rod is parallel to the inserted rod, the side part of the pressing rod abuts against the limiting plate; and a second elastic piece is fixed at one end of the limiting plate, and one end, far away from the limiting plate, of the second elastic piece is fixed on the outer wall of the excitation input shaft.
3. The plug type quick-release structure of the exciter of the material friction abnormal sound test bed according to claim 2, is characterized in that: and the limiting plate is provided with a pull rod.
4. The plug type quick-release structure of the exciter of the material friction abnormal sound test bed according to claim 1, is characterized in that: the rear side part of the slot is provided with a butt joint port corresponding to the first sliding port, and the first wedge-shaped rod can be inserted into the butt joint port.
5. The plug type quick-release structure of the exciter of the material friction abnormal sound test bed according to claim 4, is characterized in that: the length of the first wedge rod is greater than the depth of the first sliding port and is less than or equal to the sum of the depths of the first sliding port and the butt port.
6. The plug type quick-release structure of the exciter of the material friction abnormal sound test bed according to claim 5, is characterized in that: and a third elastic piece is arranged at the center of the butt joint port.
7. The plug type quick-release structure of the exciter of the material friction abnormal sound test bed according to claim 1, is characterized in that: and a plurality of friction ribs are arranged on one side of the hinged plate away from the first elastic piece.
8. The plug type quick-release structure of the exciter of the material friction abnormal sound test bed according to claim 7, is characterized in that: and a plurality of friction grooves matched with the friction convex ridges are formed in the inner wall of the slot.
9. The plug type quick-release structure of the exciter of the material friction abnormal sound test bed according to claim 1, is characterized in that: and the centering unit is used for centering the inserted rod and the slot.
10. The plug type quick-release structure of the exciter of the material friction abnormal sound test bed according to claim 9, is characterized in that: the centering unit comprises a centering groove arranged in the center of the slot and a centering rod fixed at the end part of the inserted rod, and the centering rod is matched with the centering groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011375146.6A CN112701542B (en) | 2020-11-30 | 2020-11-30 | Plug type quick-dismantling structure of vibration exciter of material friction abnormal sound test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011375146.6A CN112701542B (en) | 2020-11-30 | 2020-11-30 | Plug type quick-dismantling structure of vibration exciter of material friction abnormal sound test bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112701542A true CN112701542A (en) | 2021-04-23 |
| CN112701542B CN112701542B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011375146.6A Active CN112701542B (en) | 2020-11-30 | 2020-11-30 | Plug type quick-dismantling structure of vibration exciter of material friction abnormal sound test bed |
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| Country | Link |
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| CN (1) | CN112701542B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209150353U (en) * | 2018-12-31 | 2019-07-23 | 武汉微谷科技有限公司 | A kind of linear array antenna cross feed connector |
| CN209282552U (en) * | 2019-03-12 | 2019-08-20 | 南京晓庄学院 | A kind of computer connector locking network interface connector |
-
2020
- 2020-11-30 CN CN202011375146.6A patent/CN112701542B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209150353U (en) * | 2018-12-31 | 2019-07-23 | 武汉微谷科技有限公司 | A kind of linear array antenna cross feed connector |
| CN209282552U (en) * | 2019-03-12 | 2019-08-20 | 南京晓庄学院 | A kind of computer connector locking network interface connector |
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| Publication number | Publication date |
|---|---|
| CN112701542B (en) | 2024-04-30 |
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