CN114577456B - Rubber joint performance test system - Google Patents
Rubber joint performance test system Download PDFInfo
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- CN114577456B CN114577456B CN202210231134.9A CN202210231134A CN114577456B CN 114577456 B CN114577456 B CN 114577456B CN 202210231134 A CN202210231134 A CN 202210231134A CN 114577456 B CN114577456 B CN 114577456B
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- 238000011056 performance test Methods 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 230000005489 elastic deformation Effects 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/04—Suspension or damping
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of performance testing of automobile parts, and particularly discloses a rubber joint performance testing system. According to the rubber joint performance test system provided by the invention, the radial loading unit applies force along the radial direction of the rubber joint to be tested, the transverse loading unit applies force along the axial direction of the rubber joint to be tested, the torsion loading unit applies force which rotates around the axial direction of the rubber joint to be tested, the buckling loading unit applies force which rotates around the radial direction of the rubber joint to be tested, and the forces in different directions such as pressure, tensile force, torsion and oblique swing of the rubber joint on an automobile are simulated, so that the multi-directional detection of the stress of the rubber joint is realized, and the precision of the rubber joint performance detection is further improved.
Description
Technical Field
The invention relates to the technical field of performance testing of automobile parts, in particular to a rubber joint performance testing system.
Background
The automobile suspension thrust rod is mainly used for guiding and driving, and in the process of remote driving, the automobile suspension thrust rod bears extremely large push-pull force and torsional pendulum force. Therefore, the rubber joint connected with the automobile suspension thrust rod needs to have enough elasticity and can bear the capacity of compression resistance, tensile resistance, torsion resistance and anti-tilting, so the performance requirement on the rubber joint is higher.
Before the rubber joint leaves the factory, the performance of the rubber joint is detected, whether the rubber joint reaches the standard is detected, and therefore the safety of an automobile is ensured. In the prior art, when the performance of the rubber joint is detected, the performance is only detected in one way, however, in reality, the stress of the rubber joint on an automobile is very complex, the stress in different directions such as pressure, tension, torsion, oblique pendulum and the like can be received, the stress of the rubber joint in the practical application environment can not be simulated in the prior art, and the problem that the rubber joint cannot be detected in place exists.
Therefore, it is desirable to provide a rubber joint performance testing system to solve the above-mentioned technical problems.
Disclosure of Invention
The invention aims to provide a rubber joint performance test system which can simulate the stress of a rubber joint in an actual application environment and realize multi-directional detection of the stress of the rubber joint.
To achieve the purpose, the invention adopts the following technical scheme:
a rubber joint performance testing system comprising:
the fixing seat is used for installing a rubber joint to be tested;
the radial loading unit is used for applying force along the radial direction of the rubber joint to be tested to the rubber joint to be tested and feeding back the radial elastic deformation of the rubber joint to be tested;
the transverse loading unit is used for applying force along the axial direction of the rubber joint to be tested to the rubber joint to be tested and feeding back the axial elastic deformation of the rubber joint to be tested;
the torsion loading unit is used for applying force which axially rotates around the rubber joint to be tested to the rubber joint to be tested and feeding back the axial rotation angle of the rubber joint to be tested;
and the warping loading unit is used for applying force which rotates around the rubber joint to be tested in the radial direction to the rubber joint to be tested and feeding back the radial rotation angle of the rubber joint to be tested.
As a preferable technical scheme of the rubber joint performance test system, the fixing base includes:
the warping loading unit drives the torsion bracket to rotate;
the swing bracket is rotatably arranged on the torsion bracket, the torsion loading unit drives the swing bracket to rotate, and the swing bracket is provided with an installation part for accommodating and fixing the shaft end part of the rubber joint to be tested;
the rubber joint comprises a joint fixing sleeve, wherein the joint fixing sleeve is sleeved on the outer side of a metal shell of the rubber joint to be tested, one end of the joint fixing sleeve is provided with an axial limit stop part of the rubber joint to be tested, the transverse loading unit is arranged at the other end of the joint fixing sleeve, and the radial loading unit is arranged above the joint fixing sleeve.
As a preferable technical solution of the rubber joint performance test system, the radial loading unit includes:
a radial loading actuator;
the axial adjusting assembly is characterized in that one end of the axial adjusting assembly is connected with the driving end of the radial loading actuator, the other end of the axial adjusting assembly is used for being abutted to the rubber joint to be tested, and the end can move along the axial direction along with the rubber joint to be tested.
As a preferable technical solution of the rubber joint performance test system, the axial adjustment assembly includes:
the sliding rail is connected with the driving end of the radial loading actuator;
and the sliding block is connected with the sliding rail in a sliding way, and is connected with an abutting piece for abutting against the rubber joint to be tested.
As a preferable technical solution of the rubber joint performance test system, the transverse loading unit includes:
a transverse loading actuator;
the transverse loading plate is in universal hinge joint with the driving end of the transverse loading actuator and is used for being abutted to the end face of the rubber joint to be tested, and the transverse loading plate can rotate relative to the driving end of the transverse loading actuator.
As an optimized technical scheme of the rubber joint performance test system, the driving end of the transverse loading actuator is connected with a mounting plate, a plurality of connecting rods are hinged in a universal mode along the circumferential direction of the mounting plate, and the other ends of the connecting rods are hinged in a universal mode with the transverse loading plate.
As an optimized technical scheme of the rubber joint performance test system, the mounting plate and the transverse loading plate are correspondingly provided with the U-shaped loading support, the transverse loading unit further comprises a joint bearing, the rod part of the joint bearing is connected with the connecting rod, the head part of the joint bearing is arranged in a U-shaped groove of the U-shaped loading support, and the head part of the joint bearing is connected with the U-shaped loading support through a pin shaft.
As an preferable technical scheme of the rubber joint performance test system, the torsion loading unit comprises a torsion loading actuator, the torsion loading actuator is arranged on the torsion bracket, and the torsion loading actuator is in driving connection with the swing bracket.
As a preferable technical scheme of the rubber joint performance test system, the warp loading unit comprises a warp loading actuator, and the warp loading actuator is in driving connection with the torsion bracket.
As an preferable technical scheme of the rubber joint performance test system, the warping loading unit further comprises a warping fixing support arranged below the torsion support, and the warping loading actuator is arranged on the warping fixing support.
The invention has the beneficial effects that:
according to the rubber joint performance test system provided by the invention, the radial loading unit applies force along the radial direction of the rubber joint to be tested, the transverse loading unit applies force along the axial direction of the rubber joint to be tested, the torsion loading unit applies force which rotates around the axial direction of the rubber joint to be tested, the buckling loading unit applies force which rotates around the radial direction of the rubber joint to be tested, and the forces in different directions such as pressure, tensile force, torsion and oblique swing of the rubber joint on an automobile are simulated, so that the multi-directional detection of the stress of the rubber joint is realized, and the precision of the rubber joint performance detection is further improved.
Drawings
FIG. 1 is a schematic diagram of a rubber joint performance test system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fixing seat according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a radial loading unit according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a lateral loading unit according to an embodiment of the present invention;
FIG. 5 is an exploded view of a lateral loading unit provided by an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a warp loading unit according to an embodiment of the present invention.
In the figure:
1. a fixing seat; 2. a radial loading unit; 3. a lateral loading unit; 4. a torsion loading unit; 5. a warp loading unit;
11. twisting the bracket; 12. a swing bracket; 121. a mounting part; 13. a joint fixing sleeve; 14. an upper cover; 15. a bearing;
21. a radial loading actuator; 22. an axial adjustment assembly; 221. a slide rail; 222. a slide block; 23. an abutment; 24. a radial loading base;
31. a transverse loading actuator; 32. a transverse loading plate; 33. a mounting plate; 34. a connecting rod; 35. a U-shaped loading bracket; 36. a knuckle bearing; 37. a pin shaft; 38. transversely loading a base;
41. a torsion loading actuator;
51. a warp loading actuator; 52. a warp fixing bracket;
100. and the rubber joint to be tested.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the prior art, when the performance of the rubber joint is detected, the performance is only detected in one way, however, in reality, the stress of the rubber joint on an automobile is complex, the stress in different directions such as pressure, tension, torsion, oblique pendulum and the like can be received, the stress of the rubber joint in the practical application environment can not be simulated in the prior art, and the problem that the rubber joint cannot be detected in place exists. The present embodiment provides a rubber joint performance test system to solve the above-mentioned problems.
The rubber joint comprises a mandrel, a metal shell and a rubber body cast between the mandrel and the metal shell.
Specifically, as shown in fig. 1, the rubber joint performance test system provided in this embodiment includes a fixing base 1, a radial loading unit 2, a lateral loading unit 3, a torsion loading unit 4, and a warp loading unit 5. The fixing seat 1 is used for installing a rubber joint to be tested. The radial loading unit 2 is used for applying force along the radial direction of the rubber joint to be tested and feeding back the radial elastic deformation of the rubber joint to be tested. The transverse loading unit 3 is used for applying force along the axial direction of the rubber joint to be tested and feeding back the axial elastic deformation of the rubber joint to be tested; the torsion loading unit 4 is used for applying force which axially rotates around the rubber joint to be tested to the rubber joint to be tested and feeding back the axial rotation angle of the rubber joint to be tested; the warping loading unit 5 is used for applying force which radially rotates around the rubber joint to be tested to the rubber joint to be tested and feeding back the radial rotation angle of the rubber joint to be tested. And judging whether the performance of the rubber joint to be tested meets the standard according to the radial elastic deformation of the rubber joint to be tested, the axial rotation angle of the rubber joint to be tested and the radial rotation angle of the rubber joint to be tested.
The rubber joint performance test system provided by the embodiment can simulate forces in different directions such as pressure, tensile force, torsion, oblique swinging and the like applied to the automobile by the rubber joint, realizes multidirectional detection of stress of the rubber joint, and further improves the accuracy of performance detection of the rubber joint.
In this embodiment, as shown in fig. 1 and 2, the fixing base 1 includes a torsion bracket 11, and the buckling loading unit 5 drives the torsion bracket 11 to rotate, and after the rubber joint 100 to be tested is mounted on the fixing base 1, the buckling loading unit 5 drives the torsion bracket 11 to radially rotate around the rubber joint 100 to be tested.
The swing bracket 12 is rotatably mounted on the torsion bracket 11, and a mounting portion 121 for receiving and fixing the shaft end portion of the rubber joint 100 to be measured is provided on the swing bracket 12. Specifically, the torsion bracket 11 has a U-shaped structure, and two opposite sides of the swing bracket 12 are respectively provided with a rotating shaft, and the rotating shafts are rotatably connected with two opposite side walls of the torsion bracket 11. The torsion loading unit 4 drives the swing bracket 12 to rotate. In order to facilitate the installation of the swinging bracket 12, grooves are formed in the top surfaces of two opposite side walls of the torsion bracket 11, an upper cover 14 is detachably connected to the torsion bracket 11, the upper cover 14 is also provided with grooves, after the upper cover 14 is installed on the torsion bracket 11, the two grooves are spliced into a circular hole, a bearing 15 is installed in the hole, the outer ring of the bearing 15 is connected with the hole wall, and the inner side of the bearing 15 is connected with a rotating shaft.
The swinging bracket 12 is provided with a mounting portion 121 for receiving and fixing the shaft end portion of the rubber joint 100 to be tested. Specifically, the mounting portion 121 includes a step avoidance groove formed in the upper side of the swing bracket 12, the shaft end portion of the rubber joint 100 to be tested is lapped on a step surface of the step avoidance groove, a hole matched with the shaft end portion of the rubber joint 100 to be tested is formed in the step surface, the rubber joint 100 to be tested can be fixedly mounted on the swing bracket 12 through a connecting piece, and a part of metal shell and a phase rubber body of the rubber joint 100 to be tested are placed in a groove body below the step avoidance groove.
The fixing base 1 further comprises a joint fixing sleeve 13, wherein the joint fixing sleeve 13 is sleeved on the outer side of the metal shell of the rubber joint 100 to be tested, so that the rubber joint 100 to be tested is prevented from being damaged when a force is applied to the rubber joint 100 to be tested. One end of the joint fixing sleeve 13 is provided with a stop part for axially limiting the rubber joint 100 to be tested, the transverse loading unit 3 is arranged at the other end of the joint fixing sleeve 13, when the transverse loading unit 3 applies load to the rubber joint 100 to be tested, the stop part can enable the joint fixing sleeve 13 to synchronously move with the rubber joint 100 to be tested, and the joint fixing sleeve 13 is prevented from being separated from the rubber joint 100 to be tested, so that the radial loading unit 2 arranged above the joint fixing sleeve 13 is separated from the joint fixing sleeve 13.
As shown in fig. 3, the radial loading unit 2 provided in this embodiment includes a radial loading actuator 21, the radial loading actuator 21 is fixedly mounted on a radial loading base 24, a driving end of the radial loading actuator 21 is connected with an axial adjusting assembly 22, an end of the axial adjusting assembly 22 opposite to the radial loading actuator 21 is used for abutting against a rubber joint 100 to be tested, and an end can move along with the rubber joint 100 to be tested in an axial direction, so that mechanical decoupling of radial loading and transverse loading of the rubber joint 100 to be tested is achieved at the same time.
Further preferably, the axial adjusting assembly 22 comprises a sliding rail 221 and a sliding block 222, the sliding rail 221 is connected with the driving end of the radial loading actuator 21, the sliding block 222 is slidably connected with the sliding rail 221, and the sliding block 222 is connected with an abutting piece 23 for abutting against the rubber joint 100 to be tested. When the transverse loading unit 3 applies a force to the rubber joint 100 to be tested, the axial adjusting assembly 22 is equivalent to realizing flexible connection of the radial loading actuator 21 and the joint fixing sleeve 13, and has follow-up performance so as to ensure smooth detection.
In order to improve the contact stability between the radial loading actuator 21 and the rubber joint 100 to be tested, in this embodiment, a positioning groove is formed on the surface of the joint fixing sleeve 13, the abutment member 23 connected with the slider 222 is in a columnar structure, and the abutment member 23 abuts against the positioning groove, so as to avoid slipping between the abutment member and the joint fixing sleeve 13 when a radial force is applied to the rubber joint 100 to be tested.
The radial direction loading actuator 21 may be a cylinder, an electric push rod, or the like, and is not particularly limited as long as it is a device capable of achieving linear movement.
As shown in fig. 4 and 5, the lateral loading unit 3 provided in this embodiment includes a lateral loading actuator 31, and the lateral loading actuator 31 is mounted on a lateral loading base 38. The driving end of the transverse loading actuator 31 is universally hinged with a transverse loading plate 32, the transverse loading plate 32 can be abutted on the end face of the rubber joint 100 to be tested, and the transverse loading plate 32 can rotate relative to the driving end of the transverse loading actuator 31 so as to adapt to the rotation of the rubber joint 100 to be tested in the axial direction and the radial direction and ensure the stable output of torsion loading and buckling loading of the rubber joint 100 to be tested.
Further, the driving end of the transverse loading actuator 31 is connected with a mounting plate 33, a plurality of connecting rods 34 are articulated in a universal manner along the axial direction of the mounting plate 33, and the other ends of the connecting rods 34 are articulated in a universal manner with the transverse loading plate 32. Providing a plurality of connecting rods 34 between the mounting plate 33 and the transverse loading plate 32 can realize that the transverse loading point is always maintained at the central position of the rubber joint 100 to be tested during the transverse loading process, and is not influenced by the radial loading unit 2. Preferably, three connecting rods 34 are provided, the three connecting rods 34 being evenly distributed along the circumference of the mounting plate 33 to form a stable triangular connection between the mounting plate 33 and the transverse loading plate 32.
In order to realize the universal connection between the mounting plate 33 and the transverse loading plate 32, in this embodiment, the mounting plate 33 and the transverse loading plate 32 are correspondingly provided with a U-shaped loading bracket 35, the transverse loading unit 3 further includes a knuckle bearing 36, the rod portion of the knuckle bearing 36 is connected with the connecting rod 34, the head portion of the knuckle bearing 36 is disposed in the U-shaped groove of the U-shaped loading bracket 35, and the head portion of the knuckle bearing 36 is connected with the U-shaped loading bracket 35 through a pin shaft 37, so that the structure is simple and easy to implement.
The lateral loading actuator 31 may be a cylinder, an electric push rod, or the like, and is not particularly limited as long as it is a device capable of achieving linear motion.
Referring to fig. 2, the torsion loading unit 4 provided in this embodiment includes a torsion loading actuator 41, where the torsion loading actuator 41 is mounted on the torsion bracket 11, and the torsion loading actuator 41 is in driving connection with the swinging bracket 12, and the torsion loading actuator 41 provides driving force for driving the rubber joint 100 to be tested to rotate around its own axis. The torsion loading actuator 41 may be a motor, a swing cylinder, or the like, as long as it is a device capable of achieving rotation, and is not particularly limited herein.
As shown in fig. 6, the warp loading unit 5 includes a warp loading actuator 51, and the warp loading actuator 51 is drivingly connected to the torsion bracket 11. The warp loading actuator 51 provides a driving force for driving the rubber joint 100 to be tested to radially rotate around itself. The warp loading actuator 51 may be a motor, a swing cylinder, or the like, as long as it is a device capable of achieving rotation, and is not particularly limited herein.
In order to facilitate the installation of the warp loading actuator 51, in the present embodiment, the warp loading unit 5 further includes a warp fixing bracket 52 provided below the torsion bracket 11, and the warp loading actuator 51 is provided on the warp fixing bracket 52.
When the rubber joint performance test system provided by the embodiment is used for detecting the rubber joint 100 to be tested, the radial loading unit 2, the transverse loading unit 3, the torsion loading unit 4 and the warping loading unit 5 apply force to the rubber joint 100 to be tested at the same time, so that loading in four directions is realized, and the accuracy of detecting the rubber joint performance is improved.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (6)
1. A rubber joint performance test system, comprising:
the fixing seat (1) is used for installing a rubber joint (100) to be tested;
the radial loading unit (2) is used for applying force along the radial direction of the rubber joint (100) to be tested to the rubber joint (100) to be tested and feeding back the radial elastic deformation of the rubber joint (100) to be tested;
the transverse loading unit (3) is used for applying force along the axial direction of the rubber joint (100) to be tested to the rubber joint (100) to be tested and feeding back the axial elastic deformation of the rubber joint (100) to be tested;
the torsion loading unit (4) is used for applying force which axially rotates around the rubber joint (100) to be tested to the rubber joint (100) to be tested and feeding back the axial rotation angle of the rubber joint (100) to be tested;
the warping loading unit (5) is used for applying a force which radially rotates around the rubber joint (100) to be tested to the rubber joint (100) to be tested and feeding back the radial rotation angle of the rubber joint (100) to be tested;
the fixing seat (1) comprises:
a torsion bracket (11), wherein the warping loading unit (5) drives the torsion bracket (11) to rotate;
the swinging bracket (12) is rotatably mounted on the torsion bracket (11), the torsion loading unit (4) drives the swinging bracket (12) to rotate, and the swinging bracket (12) is provided with a mounting part (121) for accommodating and fixing the shaft end part of the rubber joint (100) to be tested;
the device comprises a joint fixing sleeve (13) sleeved on the outer side of a metal shell of the rubber joint (100) to be tested, wherein one end of the joint fixing sleeve (13) is provided with a stop part for axially limiting the rubber joint (100) to be tested, the transverse loading unit (3) is arranged at the other end of the joint fixing sleeve (13), and the radial loading unit (2) is arranged above the joint fixing sleeve (13);
the radial loading unit (2) comprises:
a radial loading actuator (21);
the axial adjusting assembly (22), one end of the axial adjusting assembly (22) is connected with the driving end of the radial loading actuator (21), the other end of the axial adjusting assembly (22) is used for being abutted against the rubber joint (100) to be tested, and the end can move along with the rubber joint (100) to be tested in the axial direction;
the axial adjustment assembly (22) comprises:
the sliding rail (221) is connected with the driving end of the radial loading actuator (21);
a slider (222) slidably connected to the slide rail (221), wherein the slider (222) is connected to an abutting piece (23) for abutting against the rubber joint (100) to be tested;
when the transverse loading unit (3) applies force on the rubber joint (100) to be detected, the axial adjusting assembly (22) realizes flexible connection between the radial loading actuator (21) and the joint fixing sleeve (13) and has follow-up performance so as to ensure smooth detection;
the transverse loading unit (3) comprises:
a transverse loading actuator (31);
the transverse loading plate (32) is in universal hinge joint with the driving end of the transverse loading actuator (31) and is used for being abutted to the end face of the rubber joint (100) to be tested, and the transverse loading plate (32) can rotate relative to the driving end of the transverse loading actuator (31).
2. The rubber joint performance test system according to claim 1, wherein the driving end of the transverse loading actuator (31) is connected with a mounting plate (33), a plurality of connecting rods (34) are hinged in the circumferential direction of the mounting plate (33), and the other ends of the connecting rods (34) are hinged with the transverse loading plate (32) in a universal mode.
3. The rubber joint performance test system according to claim 2, wherein a U-shaped loading bracket (35) is correspondingly arranged on the mounting plate (33) and the transverse loading plate (32), the transverse loading unit (3) further comprises a joint bearing (36), a rod portion of the joint bearing (36) is connected with the connecting rod (34), a head portion of the joint bearing (36) is arranged in a U-shaped groove of the U-shaped loading bracket (35), and the head portion of the joint bearing (36) is connected with the U-shaped loading bracket (35) through a pin shaft (37).
4. The rubber joint performance test system according to claim 1, wherein the torsion loading unit (4) comprises a torsion loading actuator (41), the torsion loading actuator (41) is arranged on the torsion bracket (11), and the torsion loading actuator (41) is in driving connection with the swinging bracket (12).
5. The rubber joint performance test system according to claim 1, wherein the warp loading unit (5) comprises a warp loading actuator (51), the warp loading actuator (51) being in driving connection with the torsion bracket (11).
6. The rubber joint performance test system according to claim 5, wherein the warp loading unit (5) further includes a warp fixing bracket (52) provided below the torsion bracket (11), and the warp loading actuator (51) is provided on the warp fixing bracket (52).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210231134.9A CN114577456B (en) | 2022-03-10 | 2022-03-10 | Rubber joint performance test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210231134.9A CN114577456B (en) | 2022-03-10 | 2022-03-10 | Rubber joint performance test system |
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| CN114577456A CN114577456A (en) | 2022-06-03 |
| CN114577456B true CN114577456B (en) | 2024-04-09 |
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