CN210890399U - Damping pipe clamp and vehicle - Google Patents
Damping pipe clamp and vehicle Download PDFInfo
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- CN210890399U CN210890399U CN201921307690.XU CN201921307690U CN210890399U CN 210890399 U CN210890399 U CN 210890399U CN 201921307690 U CN201921307690 U CN 201921307690U CN 210890399 U CN210890399 U CN 210890399U
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Abstract
The utility model relates to a damping pipe clamp and vehicle. The damping pipe clamp comprises a clamping cavity for the pipeline to pass through, the clamping cavity is provided with a clamping surface for clamping the pipeline, one side of the clamping surface, which is back to the clamping cavity, is provided with an inflation cavity for changing the rigidity of the damping pipe clamp, and the inflation cavity is provided with a gas path interface for realizing inflation and deflation of the inflation cavity; the vehicle comprises a vehicle body, wherein an air compressor is arranged on the vehicle body and connected with a gas transmission pipeline, and the vehicle body is provided with the damping pipe clamp for fixing the gas transmission pipeline. Above-mentioned technical scheme has solved the unable constantly change that adapts to vibration source vibration frequency of damping pipe clamp among the prior art and the poor technical problem of the travelling comfort of whole damping effect and vehicle that leads to.
Description
Technical Field
The utility model relates to a field of making an uproar falls in the car damping, concretely relates to damping pipe clamp and vehicle.
Background
In the running process of the new energy vehicle, an air compressor is required to meet the gas demand of braking, opening and closing of a passenger door and the like. The vibration of the air compressor can cause the pipeline connected with the air compressor to vibrate, the periodic pulsating airflow can also cause the forced vibration of the pipeline, and the vibration can be transmitted to the vehicle body through the pipeline fixing pipe clamp, so that the vibration and noise in the vehicle are caused, and the comfort of the vehicle is influenced.
At present, a rubber vibration damping pipe clamp is usually adopted to be fixed on a vehicle body or a bracket, so that the functions of damping vibration and bearing the weight of a pipeline are realized. The utility model discloses a damping pipe clamp as chinese utility model patent that grant publication number is CN202868084U, this damping pipe clamp includes support, rubber sleeve, rubber pad, and wherein, the one end of support has the centre gripping chamber that supplies car hydraulic power steering pump pipeline to pass, and the centre gripping chamber comes centre gripping car hydraulic power steering pump pipeline through the clamping face that is equipped with on it, and the other end of support passes through bolt-up and connects on the automobile body, and the rubber sleeve inside lining is in the centre gripping chamber of support, and the rubber pad is located between bolt and the support. The vibration damping pipe clamp can play a good two-stage damping role in the vibration of a hydraulic power steering pump pipeline of an automobile, but in the process of advancing the automobile, along with the change of the exhaust pressure of an air compressor, namely the vibration frequency of a vibration source is continuously changed, and after the vibration damping pipe clamp is fixed on the automobile body, the vibration frequency of the vibration damping pipe clamp is relatively fixed and cannot adapt to the continuous change of the vibration frequency of the vibration source, so that the vibration damping effect of the vibration pipe clamp is poor, and the comfort of the automobile is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a damping pipe clamp to solve the technical problem that the damping pipe clamp in the prior art can not adapt to the continuous change of the vibration frequency of a vibration source, so that the whole damping effect is poor; an object of the utility model is also to provide an use vehicle of this damping pipe clamp to solve the relatively poor technical problem of current vehicle travelling comfort.
In order to achieve the above object, the utility model provides a damping pipe clamp's technical scheme is:
damping pipe clamp, including the centre gripping chamber that supplies the pipeline to pass, the centre gripping chamber has the clamping surface that is used for the centre gripping pipeline, one side in centre gripping chamber dorsad of clamping surface is equipped with the inflation cavity who is used for changing the rigidity of damping pipe clamp, be equipped with the gas circuit interface that is used for realizing inflating the inflation of inflation cavity on the inflation cavity.
The damping pipe clamp has the beneficial effects that: the gas circuit interface used for realizing inflation and deflation of the inflation cavity is arranged on the inflation cavity of the vibration damping pipe clamp, when the vibration frequency of the pipeline changes continuously, the pressure of gas in the inflation cavity is changed by filling or discharging partial gas into or from the gas circuit interface into the inflation cavity, and further the rigidity and the damping of the vibration damping pipe clamp are changed, so that the vibration damping pipe clamp can adapt to the continuous change of the vibration frequency of the pipeline, and a good vibration damping effect is achieved.
Further, the damping pipe clamp comprises a damping rubber block, the clamping surface is arranged on the damping rubber block, and the inflation chamber is formed by a cavity arranged in the damping rubber block.
Has the advantages that: the vibration damping rubber block has simple structure, convenient manufacture and good vibration damping performance.
Preferably, the clamping cavity is formed by a through hole in the damping rubber block, and the cavity is an annular cavity surrounding the through hole.
Has the advantages that: the through hole is formed in the vibration reduction rubber block, processing is convenient, the cavity is an annular cavity surrounding the through hole, and when the annular cavity is inflated and deflated, air pressure in the annular cavity is more uniform.
Further, the damping rubber block clamp is arranged between the two pairs of U-shaped fixing seats which are arranged in a buckled mode, and bolt through holes for bolts to penetrate through to fix the damping pipe clamp are formed in the damping rubber block and the U-shaped fixing seats.
Has the advantages that: the U-shaped fixing seats buckled with each other hoops the vibration damping rubber block, so that when the air inflation cavity is inflated, the vibration damping rubber block is prevented from excessively expanding towards the outer side, meanwhile, the rigidity of the vibration damping rubber block outside the air inflation cavity is correspondingly increased, and the requirement that the rigidity change of the vibration damping rubber block can be met only by large inflation quantity is avoided.
Furthermore, more than two grooves extending along the circumferential direction of the clamping cavity are formed in the clamping surface, and clamping ribs for clamping the pipeline are formed between the grooves.
Has the advantages that: more than two grooves are formed in the clamping surface, so that the deformation of the vibration damping rubber block is facilitated, and the clamping force on the pipeline is improved.
Further, the gas circuit interface includes the interface of admitting air and the interface of bleeding, admit air interface and bleed interface are connected with admission valve and bleed valve respectively, admission valve and bleed valve are connected with the air valve control module.
Has the advantages that: the pressure of the gas in the inflation cavity can be adjusted in real time through the gas valve control module, and the adjustment is convenient.
The utility model provides a technical scheme of vehicle does:
the vehicle, including the automobile body, be equipped with air compressor on the automobile body, air compressor is connected with the gas transmission pipeline, is equipped with the damping pipe clamp that is used for fixed gas transmission pipeline on the automobile body, and the damping pipe clamp is including being used for forming the centre gripping chamber that the space was worn to adorn by the pipeline, and the centre gripping chamber has the clamping surface that is used for the centre gripping pipeline, one side that the space was worn to adorn by the clamping surface dorsad pipeline is equipped with the inflation cavity who is used for changing the rigidity of damping pipe clamp, be equipped with the gas circuit interface who is used for realizing the inflation cavity's.
The beneficial effects of the vehicle are as follows: this vehicle is aerifyd or is deflated through the inflation cavity of the damping pipe clamp that sets up on it and come corresponding change damping pipe clamp self rigidity and damping to the gas transmission pipeline vibration that the vibration of adaptation air compressor self brought, and the continuous change of vibration source such as the continuous change of air compressor exhaust pressure, and then the vibration of damping gas transmission pipeline transmission for the automobile body, play good damping effect, improve the travelling comfort of vehicle.
Further, the damping pipe clamp comprises a damping rubber block, the clamping surface is arranged on the damping rubber block, and the inflation chamber is formed by a cavity arranged in the damping rubber block.
Has the advantages that: the vibration damping rubber block has simple structure, convenient manufacture and good vibration damping performance.
Further, the clamping cavity is formed by a through hole in the vibration damping rubber block, and the cavity is an annular cavity surrounding the through hole.
Has the advantages that: the through hole is formed in the vibration reduction rubber block, processing is convenient, the cavity is an annular cavity surrounding the through hole, and when the annular cavity is inflated and deflated, air pressure in the annular cavity is more uniform.
Further, the damping rubber block clamp is arranged between the two pairs of U-shaped fixing seats which are arranged in a buckled mode, and bolt through holes for bolts to penetrate through to fix the damping pipe clamp are formed in the damping rubber block and the U-shaped fixing seats.
Has the advantages that: the U-shaped fixing seats buckled with each other hoops the vibration damping rubber block, so that when the air inflation cavity is inflated, the vibration damping rubber block is prevented from excessively expanding towards the outer side, meanwhile, the rigidity of the vibration damping rubber block outside the air inflation cavity is correspondingly increased, and the requirement that the rigidity change of the vibration damping rubber block can be met only by large inflation quantity is avoided.
Furthermore, more than two grooves extending along the circumferential direction of the clamping cavity are formed in the clamping surface, and clamping ribs for clamping the pipeline are formed between the grooves.
Has the advantages that: more than two grooves are formed in the clamping surface, so that the deformation of the vibration damping rubber block is facilitated, and the clamping force on the pipeline is improved.
Further, the gas circuit interface includes the interface of admitting air and the interface of bleeding, admit air interface and bleed interface are connected with admission valve and bleed valve respectively, admission valve and bleed valve are connected with the air valve control module.
Has the advantages that: the pressure of the gas in the inflation cavity can be adjusted in real time through the gas valve control module, and the adjustment is convenient.
Furthermore, the vibration reduction pipe clamp is installed on a pipe clamp support, a vibration signal acquisition module is arranged on the pipe clamp support, the vibration signal acquisition module is in signal connection with a computer system, and the air valve control module is in control connection with a control device.
Has the advantages that: the computer system carries out corresponding processing on the received vibration signal and then transmits the vibration signal to the control device, and the control device can control the opening and closing of the air valve control module according to a corresponding processing result, so that the intelligent adjustment of the vibration reduction performance of the vibration reduction pipe clamp is realized.
Further, the air compressor is connected with a dryer, the dryer is provided with a waste gas discharge port, and the inflation gas source is the waste gas discharge port.
Has the advantages that: and the waste gas is used as an inflation gas source, so that the waste gas is effectively utilized.
Drawings
Fig. 1 is a schematic view of a connection structure of the damping pipe clamp provided by the present invention in use;
FIG. 2 is a cross-sectional view A-A of the damper tube clamp of FIG. 1;
fig. 3 is a schematic diagram of a structure of a vehicle provided by the present invention.
Description of reference numerals: 1-lower U-shaped fixed seat, 2-upper U-shaped fixed seat, 3-damping rubber block, 4-air inlet valve, 5-inflation air source, 6-bolt, 7-nut, 8-air valve control module, 9-power module, 10-signal processing module, 11-vibration signal acquisition module, 12-computer system, 13-air release valve, 14-pipe clamp support, 15-vehicle body, 16-air compressor, 17-drier, 18-air storage tank, 19-air pipeline, 20-damping pipe clamp, 21-waste gas utilization pipeline, 301-inflation chamber, 302-clamping rib, 303-groove, 304-bolt perforation, 305-clamping chamber.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
The utility model provides a concrete embodiment of damping pipe clamp:
as shown in fig. 1 and 2, the damper pipe clamp is mainly suitable for clamping an exhaust pipe between an air compressor and an air storage cylinder on a vehicle, so as to reduce vibration transmitted to the vehicle by the pipe. The damping pipe clamp comprises an upper U-shaped fixing seat 2 and a lower U-shaped fixing seat 1 which are arranged in a buckling mode in the up-down direction, a damping rubber block 3 is clamped between the lower U-shaped fixing seat 1 and the upper U-shaped fixing seat 2, and the damping rubber block 3 is filled in a space formed when the upper U-shaped seat and the lower U-shaped seat are buckled in a buckling mode. The damping rubber block 3 is provided with a through hole which forms a clamping cavity 305 for a pipeline to pass through, and the clamping cavity 305 is provided with a clamping surface for clamping the pipeline; four grooves 303 extending along the circumferential direction of the clamping cavity 305 are arranged on the clamping surface, the four grooves 303 are arranged at intervals along the axial direction of the clamping cavity 305, and a clamping rib 302 is formed between every two adjacent grooves 303.
The damping rubber block 3 is provided with a cavity surrounding the clamping cavity 305 to form an inflation cavity 301, the inflation cavity 301 is located on one side of the clamping surface departing from the clamping cavity 305, and two ends of the inflation cavity 301 are respectively provided with an air inlet interface and an air outlet interface. When the air inflation device is used, an air inlet interface of the air inflation chamber 301 is communicated with the air inlet valve 4, an air outlet interface of the air inflation chamber 301 is communicated with the air release valve 13, the air inlet valve 4 and the air release valve 13 are both connected with the air valve control module 8 to control the opening and closing of the air inlet valve 4 and the air release valve 13, and the air inlet valve 4 and the air release valve 13 are also connected with the air inflation source 5 to realize the inflation and deflation of the air inflation chamber 301.
The damping rubber block 3, the upper U-shaped fixing seat 2 and the lower U-shaped fixing seat 1 are coaxially provided with bolt through holes 304, when the damping pipe clamp is used, bolts 6 penetrate through the bolt through holes 304, and the damping pipe clamp is fixed on the pipe clamp support 14 through nuts 7.
When the pipeline clamped by the vibration reduction pipe clamp vibrates, the vibration reduction rubber block 3 damps the vehicle body under the damping action to reduce the vibration transmitted to the vehicle body; when the vibration frequency of the pipeline is higher, in order to achieve the vibration reduction effect of the vibration reduction pipe clamp, the inflation air source inflates the inflation cavity by opening the air inlet valve connected with the air inlet interface of the inflation cavity, the pressure of air in the inflation cavity is improved, the rubber vibration reduction block deforms, the rigidity and the damping of the vibration reduction rubber block are increased accordingly, the attenuation effect on the pipeline vibration is correspondingly increased, and the vibration reduction requirement is met. Of course, when the vibration frequency of the pipeline is changed continuously, the rigidity and the damping of the vibration damping rubber block are changed by inflating or deflating the inflating chamber, so that the vibration damping effect of the vibration damping pipe clamp is achieved.
In the above embodiment, the rubber damping piece is one, and presss from both sides and establish between last U-shaped fixing base and the lower U-shaped fixing base, in other embodiments, the rubber damping piece also can be two that the same but opposite buckling of two structures arranged, all is equipped with independent centre gripping chamber and inflatable chamber on every rubber damping piece.
In the above embodiment, four grooves extending along the circumferential direction of the clamping cavity are provided on the clamping surface, in other embodiments, two, three or more grooves extending along the circumferential direction of the clamping cavity may also be provided on the clamping surface, and the more the number of grooves is, the more the deformation of the vibration damping rubber block is facilitated; or in other embodiments, no grooves may be provided.
In the above embodiment, the damping rubber block is clamped between the two upper and lower U-shaped fixing seats which are arranged in a buckled manner, and in other embodiments, a whole rectangular fixing seat can be adopted; or the fixed seat is not arranged, only the rubber block is adopted, but the requirements of the rigidity and the damping change of the vibration reduction rubber block can be met only by needing more air inflation amount; or the fixed seat is not arranged, only the rubber block is adopted, the size of the rubber block is larger, the thickness is increased, the rigidity of the outer part of the inflatable chamber is improved, and therefore the requirements of the rigidity and the damping change of the vibration damping rubber block can be met under the condition of smaller inflation quantity.
In the embodiment, the clamping cavity is formed by the through hole formed in the vibration reduction rubber block, in other embodiments, the clamping cavity can also adopt other structural forms, for example, an annular air bag is adopted, the annular air bag is fixed through an air bag seat, the pipeline penetrates through the cavity of the annular air bag, the rubber vibration reduction block is not required to be arranged at the moment, and when the vibration frequency of the pipeline changes, the damping and the rigidity of the annular air bag are changed through the deformation of the annular air bag, so that the vibration reduction effect is ensured.
In the above embodiments, the inflation chamber on the vibration damping rubber block is respectively provided with an air inlet interface and an air outlet interface, and the air pressure of the inflation chamber is changed by inflating or deflating the inflation chamber, so as to adjust the rigidity and the damping of the vibration damping rubber block; or only one air path interface is still arranged on the air inflation chamber on the vibration reduction rubber block, but a three-way joint is connected at the air path interface, and one of the other two interfaces of the three-way joint is used for inflating and the other one is used for exhausting.
The utility model provides a concrete embodiment of vehicle:
as shown in fig. 3, the vehicle includes a vehicle body 15, an air storage tank 18, a dryer 17 and an air compressor 16 are arranged on the vehicle body 15, the three are connected with each other through an air transmission pipeline 19, the dryer 17 is provided with an exhaust gas discharge port, and the exhaust gas discharge port of the dryer 17 is connected with an air inlet interface on an inflation chamber through an exhaust gas utilization pipeline 21. The exhaust gas generated by the air compressor 16 enters the aeration chamber through the exhaust gas discharge port of the dryer 17, that is, the exhaust gas discharge port of the dryer 17 corresponds to the aeration gas source. In other embodiments, a part of gas generated by the air compressor can be used as an inflation gas source; or additionally arranging a new air compressor as an inflation air source; the waste gas discharge port of the dryer can be additionally provided with an air storage tank to improve the stability of the inflation gas source. The dryer 17 in this embodiment is a prior art, and adopts a WABCO air dryer, and the specific structure and principle thereof can refer to the air dryer disclosed in the background art of the chinese utility patent document with the publication number of CN206325374U and fig. 1 of the attached drawings of the specification. The vehicle body 15 is further provided with a damping pipe clamp 20 for fixing the gas transmission pipeline 19, and the structure of the damping pipe clamp 20 is the same as that of the damping pipe clamp in the above embodiment, and the above structure is directly applied without further description. The vehicle body is fixedly provided with an air valve control module 8, a power supply module 9, a signal processing module 10 and a vibration signal acquisition module 11 on a pipe clamp support 14, wherein the air valve control module 8 is simultaneously in control connection with an air inlet valve 4 and an air release valve 13 and is powered by the power supply module 9. The vibration signal acquisition module 11 is connected with the signal processing module 10 and is also powered by the power supply module 9; and a computer system 12 which is in signal connection with the signal processing module 10 and is in control connection with the air valve control module 8 is also arranged in the vehicle body.
The rigidity and the damping of the vibration damping pipe clamp can be adjusted by corresponding control devices and adopting different control strategies. In this embodiment, a control strategy for adjusting the stiffness and damping of the shock absorbing pipe clamp by detecting the vibration condition of the shock absorbing pipe clamp is adopted. As shown in fig. 1, the control device includes a computer system 12, the vibration signal acquisition module 11 acquires vibration of the damper pipe clamp and transmits the acquired vibration signal to the information processing module 10, the information processing module 10 processes the received signal and transmits the processed signal to the computer system 12 through a wireless communication network, and the computer system 12 controls and adjusts the stiffness and damping of the damper pipe clamp according to a corresponding logic program.
In other embodiments, other control strategies may be used to adjust the stiffness and damping of the damper pipe clamp, for example, different set rotational speeds of the air compressor may correspond to different stiffness and damping values of the damper pipe clamp, and the stiffness and damping of the damper pipe clamp may be adjusted by detecting the rotational speed of the air compressor.
Claims (14)
1. Damping pipe clamp, comprising a clamping cavity (305) for a pipe to pass through, the clamping cavity (305) having a clamping surface for clamping the pipe, characterized in that: one side of the clamping surface, which faces away from the clamping cavity (305), is provided with an inflation cavity (301) for changing the rigidity of the damping pipe clamp, and an air channel interface for realizing inflation and deflation of the inflation cavity (301) is arranged on the inflation cavity (301).
2. The vibration reducing pipe clamp according to claim 1, wherein: the damping pipe clamp comprises a damping rubber block (3), the clamping surface is arranged on the damping rubber block (3), and the inflation cavity (301) is formed by a cavity arranged in the damping rubber block (3).
3. The vibration reducing pipe clamp according to claim 2, wherein: the clamping cavity (305) is formed by a through hole in the damping rubber block (3), and the cavity is an annular cavity surrounding the through hole.
4. The vibration reducing pipe clamp according to claim 3, wherein: the damping rubber block (3) is clamped between two U-shaped fixing seats which are arranged in a buckled mode, and bolt through holes (304) for bolts (6) to penetrate through to fix the damping pipe clamp are formed in the damping rubber block (3) and the U-shaped fixing seats.
5. The damper pipe clip according to any one of claims 1 to 4, wherein: the clamping surface is provided with more than two grooves (303) extending along the circumferential direction of the clamping cavity (305), and clamping ribs (302) used for clamping pipelines are formed between the grooves (303).
6. The damper pipe clip according to any one of claims 1 to 4, wherein: the gas circuit interface includes air inlet interface and gassing interface, and air inlet interface and gassing interface are connected with admission valve (4) and bleed valve (13) respectively, admission valve (4) and bleed valve (13) are connected with air valve control module (8).
7. The vehicle, including the automobile body, be equipped with air compressor on the automobile body, air compressor is connected with the gas transmission pipeline, is equipped with the damping pipe clamp that is used for fixed gas transmission pipeline on the automobile body, and the damping pipe clamp is including centre gripping chamber (305) that is used for forming the pipeline and wears dress space, and centre gripping chamber (305) have the clamping face that is used for the centre gripping pipeline, its characterized in that: one side in space is worn to adorn to the pipeline dorsad to the clamping face is equipped with and is used for changing the inflation cavity (301) of the rigidity of damping pipe clamp, be equipped with the gas circuit interface that is used for realizing inflating and deflating of inflation cavity (301) on inflation cavity (301), gas circuit interface connection has inflatable air source (5).
8. The vehicle according to claim 7, characterized in that: the damping pipe clamp comprises a damping rubber block (3), the clamping surface is arranged on the damping rubber block (3), and the inflation cavity (301) is formed by a cavity arranged in the damping rubber block (3).
9. The vehicle according to claim 8, characterized in that: the clamping cavity (305) is formed by a through hole in the damping rubber block (3), and the cavity is an annular cavity surrounding the through hole.
10. The vehicle according to claim 9, characterized in that: the damping rubber block (3) is clamped between two U-shaped fixing seats which are arranged in a buckled mode, and bolt through holes (304) for bolts (6) to penetrate through to fix the damping pipe clamp are formed in the damping rubber block (3) and the U-shaped fixing seats.
11. The vehicle according to any one of claims 7 to 10, characterized in that: the clamping surface is provided with more than two grooves (303) extending along the circumferential direction of the clamping cavity (305), and clamping ribs (302) used for clamping pipelines are formed between the grooves (303).
12. The vehicle according to any one of claims 7 to 10, characterized in that: the gas circuit interface includes air inlet interface and gassing interface, air inlet interface and gassing interface are connected with admission valve (4) and bleed valve (13) respectively, admission valve (4) and bleed valve (13) are connected with air valve control module (8).
13. The vehicle according to any one of claims 7 to 10, characterized in that: the damping pipe clamp is installed on a pipe clamp support (14), a vibration signal acquisition module (11) is arranged on the pipe clamp support (14), the vibration signal acquisition module is in signal connection with a computer system (12), and a gas valve control module (8) is in control connection with a control device.
14. The vehicle according to any one of claims 7 to 10, characterized in that: the air compressor is connected with a dryer, the dryer is provided with a waste gas discharge port, and the inflation air source (5) is the waste gas discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307690.XU CN210890399U (en) | 2019-08-13 | 2019-08-13 | Damping pipe clamp and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307690.XU CN210890399U (en) | 2019-08-13 | 2019-08-13 | Damping pipe clamp and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210890399U true CN210890399U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921307690.XU Active CN210890399U (en) | 2019-08-13 | 2019-08-13 | Damping pipe clamp and vehicle |
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| Country | Link |
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| CN (1) | CN210890399U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669543A (en) * | 2021-07-19 | 2021-11-19 | 东北大学 | Aero-engine duplex clamp with vibration-damping temperature-resistant function |
-
2019
- 2019-08-13 CN CN201921307690.XU patent/CN210890399U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669543A (en) * | 2021-07-19 | 2021-11-19 | 东北大学 | Aero-engine duplex clamp with vibration-damping temperature-resistant function |
| CN113669543B (en) * | 2021-07-19 | 2022-09-06 | 东北大学 | Aero-engine duplex clamp with vibration-damping temperature-resistant function |
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Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: No.1, Shibali Heyu Road, Guancheng Hui District, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |