CN206515007U - A kind of spline dust cover seal test device - Google Patents
A kind of spline dust cover seal test device Download PDFInfo
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- CN206515007U CN206515007U CN201720122982.0U CN201720122982U CN206515007U CN 206515007 U CN206515007 U CN 206515007U CN 201720122982 U CN201720122982 U CN 201720122982U CN 206515007 U CN206515007 U CN 206515007U
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- spline
- dust cover
- universal joint
- arc groove
- test device
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Abstract
The utility model provides a kind of spline dust cover seal test device, including leakage test mechanism, rotating mechanism, sliding bearing mechanism and axial reciprocating mechanism, leakage test mechanism includes carrying out testpieces the air-heater and slush pump of leakage test, rotating mechanism, which is connected with spline and rotated to spline, provides power, sliding bearing mechanism includes plain bearing housing, axially loaded body is coaxially provided with inside plain bearing housing, plain bearing housing inwall is provided with the excellent arc groove of radial equipartition, axially loaded external wall is provided with the bad arc groove with major arc type groove match, ball is provided between excellent arc groove and bad arc groove, it is axially loaded to be coaxially provided with the rotation adding carrier being connected with spline in vivo, roller bearing is provided between axially loaded body and rotation adding carrier, rotate adding carrier outer wall and be provided with annular boss, annular boss is located at the direction of the close spline of roller bearing, axial reciprocating mechanism is connected with axially loaded body, spline is set to do axially reciprocating.
Description
Technical field
The utility model is related to truck drive shaft component test technical field, more particularly to a kind of spline dust cover sealing examination
Experiment device.
Background technology
The card gear of automobile rear driving axle is commonly referred to as the universal drive shaft or referred to as power transmission shaft of automobile, it
It is made up of universal joint, central siphon and its flexible spline etc..Flexible spline has rectangle or involute profile, for compensating due to automobile
Length change during motion between the universal joint of power transmission shaft two ends.Spline should have reliable lubrication and dust prevention, spline dust cover
It is the component for protecting splined driveshaft, its reliability directly affects the service life of power transmission shaft.Among car transmissions
Key component, driving-shaft assembly middle slip spline dust cover sealing certification test, being must not in automobile component certification test
Experiment work that can be less, but power transmission shaft is operated under rotation condition, and power transmission shaft also occurs that axial change in the course of work
Shape, experiment carries out power transmission shaft rotation and axial deformation simultaneously, can exist between them and interfere, add experiment difficulty.
Utility model content
To overcome the defect that above-mentioned prior art is present, the utility model is filled there is provided a kind of spline dust cover leakage test
Put, resistance to elevated temperatures and anti-mud sealing for testing dust cover, the spline can axially move along hub splines, institute
State spline front end be provided with first before universal joint, the rear end of the spline is provided with the first rear universal joint, and dust cover is fixed and is set in
On spline outer wall,
The seal test device includes leakage test mechanism, rotating mechanism, sliding bearing mechanism and axial reciprocating mechanism.
Leakage test mechanism includes being arranged at the air-heater and slush pump on the outside of dust cover, and air-heater is used for dust cover
High temperature air is blown out, slush pump is used for dust cover splash mud.
Rotating mechanism, is connected with universal joint before first, for making the spline be rotated around own axes, in order to mould
Intend the practical work process of dust cover.
Axially loaded body, sliding axle are coaxially provided with inside sliding bearing mechanism, including plain bearing housing, plain bearing housing
Bearing inwall is provided with multiple excellent arc grooves vertically, and the excellent arc groove radial equipartition is on plain bearing housing inwall, i.e.,
The line of the axis of the multiple excellent arc groove and the intersection point in same section is in regular polygon, axially loaded external wall be provided with
The bad arc groove that the position of the excellent arc groove, shape, quantity match, i.e., the axis of the multiple bad arc groove with
The line of the intersection point in same section is also in regular polygon；
Between the excellent arc groove and the bad arc groove be provided with several balls, axially loaded body by ball with
Plain bearing housing produces relative displacement, and when spline does alternating translational movement, ball is in the excellent arc groove and the minor arc
Rolled in the circular hole got up combined by type groove, greatly reduce the frictional force between plain bearing housing and axially loaded body, and
Because the groove on plain bearing housing is major arc type, therefore ball will not be because of the phase between plain bearing housing and axially loaded body
Displacement is dropped；
Axially loaded to be coaxially provided with rotation adding carrier in vivo, rotation adding carrier is connected solid with the afterbody of the first rear universal joint
Fixed, provided with least two roller bearings in cylinder between axially loaded body and rotation adding carrier, rotation adding carrier outer wall is set
There is annular boss, the annular boss is located at the direction close to the first rear universal joint of each roller bearing, and rotation adding carrier is led to
Cross roller bearing and produce rotating against for axial direction with axially loaded body, annular boss is used to prevent roller bearing from axially loaded body
In come off；
Axial reciprocating mechanism, alternating translational movement is done for making the spline along own axes, in order to which simulation is anti-
The practical work process of dust hood, the axial reciprocating mechanism is connected with the tail end of axially loaded body.
It is preferred that, the axial reciprocating mechanism includes the servo pressurized strut being sequentially connected and for fixing servo pressurized strut
Column, the front end of servo pressurized strut is connected with axially loaded body tail end, and servo pressurized strut, which is used for push-and-pull spline, makes it produce displacement,
Column is used for the tail end for supporting servo pressurized strut.
It is preferred that, the second spline, second spline are additionally provided between sliding bearing mechanism and the axial reciprocating mechanism
Front end be provided with second before universal joint, the front end of universal joint is connected with rotating adding carrier before second, when previous spline is rotated,
Second spline also can together rotate with rotation adding carrier, and the rear end of second spline is provided with the second rear universal joint, the
The rear end of two rear universal joints is connected with rear fixed bearing block, and rear fixed bearing block is used to support the second rear universal joint；Described second
The leakage test mechanism is provided with outside spline, two such spline can be carried out by Liang Tao leakage tests mechanism respectively simultaneously
Seal tightness test.
It is preferred that, axially loaded body is connected with servo pressurized strut by stock, i.e., servo start is transmitted by stock
The displacement that cylinder is produced, then drives axially loaded body to carry out alternating translational movement.
It is preferred that, servo pressurized strut is provided with that can feed back the displacement transducer of spline axial displacement, to control servo
The displacement that pressurized strut is produced, prevents the maximum stretchable length beyond spline and damages spline.
It is preferred that, the rotating mechanism includes the buncher and shaft coupling being sequentially connected, the rear end of shaft coupling and first
Preceding universal joint is connected, and buncher is used to make spline rotate around own axes, and shaft coupling is used for transmitting rotary power.
It is preferred that, universal joint junction is provided with preceding fixed bearing block before shaft coupling and first, for shaft coupling and first
The junction of preceding universal joint provides support.
It is preferred that, dust cover outer cover, which is provided with, to be used to prevent the protective cover of mud spluttering, and dust cover is arranged below for storing up
The mud box of mud is deposited, the mud of slush pump injection is extracted from mud box.
It is preferred that, the quantity of the excellent arc groove and the bad arc groove is six, in each excellent arc groove
It is equipped with 11 balls.
Single or multiple splines can be applied by a kind of spline dust cover seal test device that the utility model is provided simultaneously
Revolving force and push-pull effort, make it rotationally and axially be moved back and forth simultaneously, solve spline rotary motion and axial reciprocating fortune
The problem of being interfered between dynamic, and sealing and endurancing can be carried out to it while spline is moved.
Brief description of the drawings
Fig. 1 is the structural representation of spline dust cover seal test device under single-piece trystate；
Fig. 2 is the side view cutaway drawing of sliding bearing mechanism in spline dust cover seal test device under single-piece trystate；
Fig. 3 is the elevational cross-sectional view of sliding bearing mechanism in spline dust cover seal test device；
Fig. 4 is the structural representation of spline dust cover seal test device under more than one piece trystate；
Fig. 5 is the side view cutaway drawing of sliding bearing mechanism in spline dust cover seal test device under more than one piece trystate.
Reference：Buncher 11, shaft coupling 12, preceding fixed bearing block 13, rear fixed bearing block 14 is universal before first
Section 21, dust cover 22, protective cover 23, air-heater 24, slush pump 25, mud box 26, the first rear universal joint 27, universal joint before second
28, the second rear universal joint 29, sliding bearing mechanism 3, plain bearing housing 31, axially loaded body 32, roller bearing 33, ball 34,
Rotate adding carrier 35, stock 36, displacement transducer 41, servo pressurized strut 42, column 43.
Embodiment
To make the purpose, technical scheme and advantage of the utility model implementation clearer, below in conjunction with the utility model
Accompanying drawing in embodiment, the technical scheme in the utility model embodiment is further described in more detail.In the accompanying drawings, from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Described reality
It is a part of embodiment of the utility model to apply example, rather than whole embodiments.The embodiment described below with reference to accompanying drawing
It is exemplary, it is intended to for explaining the utility model, and it is not intended that to limitation of the present utility model.It is new based on this practicality
Embodiment in type, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of the utility model protection.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of description the utility model and simplifies description, rather than indicate or imply and be signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The limitation of novel protected scope.
A kind of spline dust cover seal test device provided below by specific embodiment the utility model make into
The description of one step in detail.
Embodiment 1：
As shown in Figure 1 to Figure 3, spline dust cover seal test device is when carrying out single-piece experiment, and the experimental rig includes
Leakage test mechanism, rotating mechanism, sliding bearing mechanism 3 and axial reciprocating mechanism, and the front end of the spline is provided with first
Preceding universal joint 21, the rear end of the spline is provided with the first rear universal joint 27, and dust cover 22 is fixed and is set on spline outer wall.
Leakage test mechanism includes air-heater 24 and slush pump 25, and air-heater 24 and slush pump 25 are arranged at dust cover 22
Outside, the outer cover of dust cover 22, which is provided with, to be used to prevent the protective cover 23 of mud spluttering, and dust cover 22 is arranged below for storing mud
The mud box 26 of slurry, the mud that slush pump 25 sprays is extracted from mud box 26；Air-heater 24 is used to blow out high temperature to dust cover
Air, slush pump 25 is used for dust cover splash mud.
Rotating mechanism includes universal before the buncher 11 and shaft coupling 12 being sequentially connected, the rear end of shaft coupling 12 and first
Section 21 is connected, and the junction of universal joint 21 is provided with preceding fixed bearing block 13 before shaft coupling 12 and first；Rotating mechanism is used to give
The rotation of the spline provides power, and preceding fixed bearing block 13 is used to carry to the junction of universal joint 21 before shaft coupling 12 and first
For support.
Sliding bearing mechanism 3 includes plain bearing housing 31, axially loaded body 32, roller bearing 33, ball 34 and rotation and added
Carrier 35, axially loaded body 32 is co-axially located inside plain bearing housing 31, and the inwall of plain bearing housing 31 is provided with six vertically
Excellent arc groove, the excellent arc groove radial equipartition is on the inwall of plain bearing housing 31, and the axially loaded outer wall of body 32 is provided with six
The bad arc groove that the position of the individual and excellent arc groove, shape match, excellent arc groove described in every group and the minor arc
Between type groove set 11 balls 34, rotation adding carrier 35 be co-axially located in axially loaded body 32, and its front end with
The afterbody of first rear universal joint 27 is connected, and two roller bearings 33 in cylinder are arranged on axially loaded body 32 and rotation
Between adding carrier 35, rotation adding carrier 35 outer wall is provided with annular boss, and the annular boss is located at leaning on for each roller bearing 33
The direction of nearly first rear universal joint 27, for preventing roller bearing 33 from being come off from axially loaded body 27.
Axial reciprocating mechanism includes servo pressurized strut 42 and column 43, the front end of servo pressurized strut 42 and the axle being sequentially connected
It is connected to the tail end of adding carrier 32, servo pressurized strut 42 is stood provided with that can feed back the displacement transducer 41 of spline axial displacement
Post 43 is used to fix servo pressurized strut 42；Axial reciprocating mechanism is used to make the spline do alternating translational movement along own axes,
Servo pressurized strut 42, which is used for push-and-pull spline, makes it produce displacement, and column 43 is used for the tail end for supporting servo pressurized strut 42, and displacement is passed
Sensor 41 is used for the displacement for controlling servo pressurized strut to produce, and prevents the maximum stretchable length beyond spline and damages spline.
After on-test, start buncher 11, passed to revolving force by shaft coupling 12 universal before the first of spline
Section 21, rotates spline, now the first rear universal joint 27 and coupled rotation adding carrier 35 of spline are also together rotated,
And realize the relative rotation of rotation adding carrier 35 and axially loaded body 32 by roller bearing 33, and axially loaded body 32 is not therewith
Together rotate, the rotational action of spline is realized with this；
Start servo pressurized strut 42,42 pairs of rotation adding carriers 35 of servo pressurized strut carry out push-and-pull, and rotation adding carrier 35 drives
First rear universal joint 27 is moved axially, and then drives spline to move axially, if servo pressurized strut 42 is to pull to move when initial
Make, then spline is adjusted to retracted state before experiment, if servo pressurized strut 42 is pushing action when initial, spline is before experiment
Extended state is adjusted to, and the push-and-pull amount of servo pressurized strut 42 is controlled by displacement transducer 41, in rotation adding carrier
During 35 axial movement, it is realized by ball 34 and moved to axial with plain bearing housing 31, and plain bearing housing 31 is not therewith
Together rotate, the translation motion of spline is realized with this；
Air-heater 24 and slush pump 25 are finally opened, seal tightness test is carried out to the dust cover 22 of spline.
Embodiment 2：
As shown in Figures 3 to 5, spline dust cover seal test device is when carrying out more than one piece experiment, and the experimental rig includes
Leakage test mechanism, rotating mechanism, sliding bearing mechanism 3 and axial reciprocating mechanism, testpieces includes the first flower when more than one piece is tested
Key and the second spline, universal joint 21 before the front end of first spline is provided with first, the rear end of first spline are provided with first
Rear universal joint 27, universal joint 28 before the front end of second spline is provided with second, after the rear end of second spline is provided with second
Universal joint 29, fixation is set on the outer wall of the first spline and the second spline two dust covers 22 respectively,
Leakage test mechanism includes air-heater 24 and slush pump 25, air-heater 24 and slush pump 25 be arranged at two it is dust-proof
The outside of cover 22, the outer cover of dust cover 22, which is provided with, to be used to prevent the protective cover 23 of mud spluttering, and dust cover 22 is arranged below for storing up
The mud box 26 of mud is deposited, the mud that slush pump 25 sprays is extracted from mud box 26；Air-heater 24 is used to blow out to dust cover
High temperature air, slush pump 25 is used for dust cover splash mud.
Rotating mechanism includes universal before the buncher 11 and shaft coupling 12 being sequentially connected, the rear end of shaft coupling 12 and first
Section 21 is connected, and the junction of universal joint 21 is provided with preceding fixed bearing block 13 before shaft coupling 12 and first；Rotating mechanism is used to give
The rotation of first spline and the second spline provides power, and preceding fixed bearing block 13 is used for universal joint 21 before shaft coupling 12 and first
Junction provide support.
Sliding bearing mechanism 3 includes plain bearing housing 31, axially loaded body 32, roller bearing 33, ball 34 and rotation and added
Carrier 35, axially loaded body 32 is co-axially located inside plain bearing housing 31, and the inwall of plain bearing housing 31 is provided with six vertically
Excellent arc groove, the excellent arc groove radial equipartition is on the inwall of plain bearing housing 31, and the axially loaded outer wall of body 32 is provided with six
The bad arc groove that the position of the individual and excellent arc groove, shape match, excellent arc groove described in every group and the minor arc
11 balls 34 are set between type groove, and rotation adding carrier 35 is co-axially located in axially loaded body 32, and rotates loading
The front end of body 35 and the afterbody of the first rear universal joint 27 are connected, and rotate before the rear end of adding carrier 35 and the second of the second spline
Universal joint 28 is connected, and for rotatory force to be passed into the second spline, two roller bearings 33 in cylinder are arranged on axle
To between adding carrier 32 and rotation adding carrier 35, rotation adding carrier 35 outer wall is provided with annular boss, and the annular boss is located at every
The direction close to the first rear universal joint 27 of individual roller bearing 33, for preventing roller bearing 33 from being taken off from axially loaded body 27
Fall, the rear end of the second rear universal joint 29 is connected with rear fixed bearing block 14, for providing support to two splines.
Axial reciprocating mechanism includes servo pressurized strut 42 and column 43, the front end of servo pressurized strut 42 and the axle being sequentially connected
It is connected to the tail end of adding carrier 32 by stock 36, servo pressurized strut 42, which is provided with, can feed back the position of two spline axial displacements
Displacement sensor 41, because the first spline and the second spline are translated simultaneously, therefore the displacement of two splines is identical, and column 43 is used for
Fixed servo pressurized strut 42；Axial reciprocating mechanism is used to make the spline do alternating translational movement, servo start along own axes
Cylinder 42, which is used for the spline of push-and-pull first and the second spline, makes it produce displacement, and column 43 is used for the tail end for supporting servo pressurized strut 42,
Displacement transducer 41 is used for the displacement for controlling servo pressurized strut to produce, and prevents the maximum stretchable length beyond spline and damages
Spline.
After on-test, start before buncher 11, first that revolving force is passed to the first spline by shaft coupling 12
Universal joint 21, rotates the first spline, while the first rear universal joint 27 of the first spline drives second by rotating adding carrier 35
Universal joint 28 is rotated before the second of spline, and it is to realize rotation adding carrier 35 with axially adding by roller bearing 33 to rotate adding carrier 35
The relative rotation of carrier 32, and axially loaded body 32 is not rotated together therewith, then realizes the rotational action of the second spline, is rotated
Stop at rear fixed bearing block 14；In rotation process, preceding fixed bearing block 13 provides front support, rear fixing axle to the first spline
Bearing 14 provides rear end support to the second spline.
Start servo pressurized strut 42, servo pressurized strut 42 carries out push-and-pull by 36 pairs of rotation adding carriers 35 of stock, in rotation
When adding carrier 35 is moved axially, it is realized by ball 34 and moved to axial with plain bearing housing 31, plain bearing housing 31
Do not rotate together therewith, now rotate adding carrier 35 and drive the first spline to move axially by the first rear universal joint 27, and pass through
Universal joint 28 drives the movement of the second spline before second；If servo pressurized strut 42 is pulling action when initial, two splines are in reality
Retracted state is adjusted to before testing, if servo pressurized strut 42 is pushing action when initial, two splines are adjusted to draw before experiment
State is stretched, and the push-and-pull amount of servo pressurized strut 42 is controlled by displacement transducer 41；During axial movement, preceding fixation
Bearing block 13 provides front support to the first spline, and column 43 provides rear end support to the second spline；
Air-heater 24 and slush pump 25 are finally opened, seal tightness test is carried out to the dust cover 22 of spline.
It should be noted that the more than one piece experiment for the spline dust cover seal test device that the utility model is provided is not limited to two
Part, can add the equipment such as sliding bearing mechanism 3 after the second spline as needed, carry out the more than one piece experiment of the above such as three.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art is in the technical scope that the utility model is disclosed, the change that can be readily occurred in
Change or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with described
Scope of the claims is defined.
Claims (9)
1. a kind of spline dust cover seal test device, the spline can axially move along hub splines, before the spline
Universal joint (21) before end is provided with first, the rear end of the spline is provided with the first rear universal joint (27), and dust cover (22) fixation is arranged
On spline outer wall, it is characterised in that the seal test device includes：
Leakage test mechanism, including it is arranged at air-heater (24) and slush pump (25) on the outside of dust cover (22)；
Rotating mechanism, is connected with universal joint before first (21), for making the spline be rotated around own axes；
Sliding bearing mechanism (3), including plain bearing housing (31), plain bearing housing (31) is internal to be coaxially provided with axially loaded body
(32), plain bearing housing (31) inwall is provided with multiple excellent arc grooves vertically, and the excellent arc groove radial equipartition is in slip
On bearing block (31) inwall, axially loaded body (32) outer wall is provided with to match with the position of the excellent arc groove, shape, quantity
Bad arc groove, between the excellent arc groove and the bad arc groove be provided with several balls (34), axially loaded body
(32) coaxially provided with rotation adding carrier (35) in, rotation adding carrier (35) is connected solid with the afterbody of the first rear universal joint (27)
It is fixed, provided with least two roller bearings (33) in cylinder between axially loaded body (32) and rotation adding carrier (35), rotation
Adding carrier (35) outer wall is provided with is located at each Roller Shaft with roller bearing (33) quantity identical annular boss, the annular boss
Hold the direction close to the first rear universal joint (27) of (33)；
Axial reciprocating mechanism, alternating translational movement, the axial reciprocating mechanism and axle are done for making the spline along own axes
It is connected to the tail end of adding carrier (32).
2. spline dust cover seal test device according to claim 1, it is characterised in that axial reciprocating mechanism bag
The servo pressurized strut (42) that is sequentially connected and the column (43) for fixing servo pressurized strut (42) are included, servo pressurized strut (42)
Front end is connected with axially loaded body (32) tail end.
3. spline dust cover seal test device according to claim 2, it is characterised in that sliding bearing mechanism (3) and
It is additionally provided with the second spline between the axial reciprocating mechanism, universal joint (28) before the front end of second spline is provided with second, the
The front end of universal joint (28) is connected with rotation adding carrier (35) before two, and the rear end of second spline is provided with the second rear universal joint
(29), the rear end of the second rear universal joint (29) is connected with rear fixed bearing block (14)；
The leakage test mechanism is provided with outside second spline.
4. spline dust cover seal test device according to claim 3, it is characterised in that axially loaded body (32) is with watching
Pressurized strut (42) is taken by stock (36) to be connected.
5. the spline dust cover seal test device according to any claim in Claims 1-4, it is characterised in that
Servo pressurized strut (42), which is provided with, can feed back the displacement transducer (41) of spline axial displacement.
6. the spline dust cover seal test device according to any claim in Claims 1-4, it is characterised in that
The rotating mechanism is included ten thousand before the buncher (11) and shaft coupling (12) being sequentially connected, the rear end and first of shaft coupling (12)
It is connected to section (21).
7. the spline dust cover seal test device according to any claim in Claims 1-4, it is characterised in that
Universal joint (21) junction is provided with preceding fixed bearing block (13) before shaft coupling (12) and first.
8. the spline dust cover seal test device according to any claim in Claims 1-4, it is characterised in that
Dust cover (22) outer cover, which is provided with, to be used to prevent the protective cover (23) of mud spluttering, and dust cover (22) is arranged below for storing mud
The mud box (26) of slurry, the mud of slush pump (25) injection is extracted from mud box (26).
9. the spline dust cover seal test device according to any claim in Claims 1-4, it is characterised in that
The quantity of the excellent arc groove and the bad arc groove is six, and 11 balls are equipped with each excellent arc groove
(34)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720122982.0U CN206515007U (en) | 2017-02-10 | 2017-02-10 | A kind of spline dust cover seal test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720122982.0U CN206515007U (en) | 2017-02-10 | 2017-02-10 | A kind of spline dust cover seal test device |
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| Publication Number | Publication Date |
|---|---|
| CN206515007U true CN206515007U (en) | 2017-09-22 |
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ID=59867099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720122982.0U Active CN206515007U (en) | 2017-02-10 | 2017-02-10 | A kind of spline dust cover seal test device |
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| CN (1) | CN206515007U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580234A (en) * | 2018-12-14 | 2019-04-05 | 青岛航天瑞莱海检科技有限公司 | Bench test mechanism under different temperatures environment |
| CN116026537A (en) * | 2023-02-21 | 2023-04-28 | 天津市环宇橡塑股份有限公司 | Automobile sealing cover performance detection system |
-
2017
- 2017-02-10 CN CN201720122982.0U patent/CN206515007U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580234A (en) * | 2018-12-14 | 2019-04-05 | 青岛航天瑞莱海检科技有限公司 | Bench test mechanism under different temperatures environment |
| CN116026537A (en) * | 2023-02-21 | 2023-04-28 | 天津市环宇橡塑股份有限公司 | Automobile sealing cover performance detection system |
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