CN110389032B - Loading simulation test device - Google Patents
Loading simulation test device Download PDFInfo
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- CN110389032B CN110389032B CN201910883897.XA CN201910883897A CN110389032B CN 110389032 B CN110389032 B CN 110389032B CN 201910883897 A CN201910883897 A CN 201910883897A CN 110389032 B CN110389032 B CN 110389032B
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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
Abstract
The invention discloses a load simulation test device, which comprises: the fixing component is used for fixing a joint A at one end of the electric stay bar; the moving component is used for fixing the joint B at the other end of the electric stay bar; the driving device drives the moving component to slide along the telescopic direction of the electric support rod; the clutch component is arranged between the output end of the driving device and the moving component and is used for cutting off or transmitting the power output to the moving component by the driving device; the load simulation device comprises a magnetic powder clutch and a transmission mechanism, wherein the transmission mechanism comprises a chain wheel, a guide wheel A and a chain which is used for connecting the chain wheel with the guide wheel A and is fixedly connected with the moving part; the output shaft of the magnetic powder clutch is in transmission connection with the chain wheel. The invention has good consistency of test results and strong universality.
Description
Technical Field
The invention belongs to the technical field of automobile tail door electric stay bar testing, and particularly relates to a load simulation testing device.
Background
The electric stay bars installed on the tail door of the automobile need 100% load test. When the electric stay bar opens the automobile tail door upwards, the load of the automobile stay bar changes according to the change of the stress curve. Among the prior art, in order to reach the detection environment of simulation reality, the operation personnel can be with waiting to detect the electronic vaulting pole put into one with real car 1: 1, the detection is carried out in a manual opening and closing mode, and the detection mode has the defects that the detection result is different from person to person and the universality is poor.
Disclosure of Invention
The invention aims to solve the technical problems that in the prior art, the detection result of an electric support rod is different from person to person and the universality is poor, and provides a load simulation testing device for load test of the electric support rod. The invention utilizes the fixed part and the moving part to respectively fix the joint A and the joint B at the two ends of the electric stay bar, then utilizes the clutch part to separate the driving device from the moving part, and finally utilizes the magnetic powder clutch and the transmission mechanism to simulate loads of different sizes, thereby completing the load test of the electric stay bar, and having good result consistency and strong universality.
The technical scheme adopted by the invention is as follows:
a load simulation test device for load testing of an electric stay bar, comprising:
the fixing component is used for fixing a joint A at one end of the electric stay bar;
the moving component is used for fixing the joint B at the other end of the electric stay bar;
the driving device drives the moving component to slide along the telescopic direction of the electric support rod;
the clutch component is arranged between the output end of the driving device and the moving component and is used for cutting off or transmitting the power output to the moving component by the driving device;
the load simulation device comprises a magnetic powder clutch and a transmission mechanism, wherein the transmission mechanism comprises a chain wheel, a guide wheel A and a chain which is used for connecting the chain wheel with the guide wheel A and is fixedly connected with the moving part; the output shaft of the magnetic powder clutch is in transmission connection with the chain wheel.
As a further alternative of the load simulation test device, the load simulation test device further comprises a reset driving device of which the output end is in transmission connection with the chain wheel.
As a further alternative of the load simulation test device, the load simulation test device further comprises a displacement sensor for detecting the displacement of the moving part; and the displacement sensor is electrically connected with the magnetic powder clutch.
As a further alternative of the load simulation test device, the fixing component comprises a base, a clamping mechanism a fixed on the base, a carrying seat arranged on the base and a clamping mechanism B for fixing the carrying seat on the base; a ball head A matched with the joint A is fixed on the carrying seat; the clamping mechanism A is arranged at one end of the base, which is far away from the moving part, and is used for pressing the joint A.
As a further alternative of the load simulation test device, the clamping mechanism B comprises a swinging hook, a spring for driving the hook to hook the carrier, and a positioning structure arranged between the base and the carrier; the top surface of the clamping hook is provided with an inclined surface which gradually inclines towards the carrying seat from top to bottom.
As a further alternative of the load simulation test device, the moving part comprises a sliding plate and a clamping mechanism C fixed on the sliding plate; the clamping mechanism C comprises a ball head B matched with the joint B and a driving mechanism for driving the ball head B to be clamped into or separated from the joint B.
As a further alternative of the load simulation test device, the driving mechanism comprises a sliding guide structure a arranged between the ball head B and the sliding plate, a telescopic cylinder with one end hinged with the sliding plate, and a swing rod with two ends respectively hinged with the other end of the telescopic cylinder and the ball head B; the middle part of the swing rod is hinged with the sliding plate.
As a further alternative of the load simulation test device, the driving mechanism further comprises a limiting structure for limiting the depth of the ball head B clamped into the joint B.
As a further alternative of the load simulation test device, the clutch component includes a slot, an insert block, and a driving member for driving the insert block to be inserted into or separated from the slot.
As a further alternative of the load simulation test device, the driving device comprises a bottom plate, a sliding guide structure B arranged between the bottom plate and the moving part, a screw rod rotatably supported on the bottom plate, a screw rod nut sleeved outside the screw rod, a supporting structure arranged between the screw rod nut and the bottom plate to support the screw rod nut, and a rotary driving piece for driving the screw rod to rotate; the screw rod nut is the output end of the driving device.
The invention has the beneficial effects that:
the invention utilizes the fixed part and the moving part to respectively fix the joint A and the joint B at the two ends of the electric stay bar, then utilizes the clutch part to separate the driving device from the moving part, and finally utilizes the magnetic powder clutch and the transmission mechanism to simulate loads of different sizes, thereby completing the load test of the electric stay bar, and having good result consistency and strong universality.
Other advantageous effects of the present invention will be described in detail in the detailed description.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it should be understood that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a load simulation test apparatus according to the present invention;
FIG. 2 is a schematic structural diagram of a load simulation apparatus in the load simulation test apparatus shown in FIG. 1;
FIG. 3 is a schematic structural diagram of a moving part and a driving device in the load simulation test apparatus shown in FIG. 1;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a sectional view taken along line A-A of FIG. 4 (with the clutch member and drive mechanism omitted);
FIG. 6 is a cross-sectional view B-B of FIG. 4;
FIG. 7 is a schematic view of the fixing member of the load simulation test apparatus shown in FIG. 1;
FIG. 8 is a top view of FIG. 7;
FIG. 9 is a cross-sectional view C-C of FIG. 8;
fig. 10 is a schematic structural view of a clamping mechanism a in the load simulation test apparatus shown in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention. It is to be understood that the drawings are provided solely for the purposes of reference and illustration and are not intended as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The invention is further described with reference to the following figures and specific embodiments.
As shown in fig. 1, the load simulation test apparatus in this embodiment is used for load testing of an electric stay 300, and includes:
a fixing member 200 for fixing a joint a302 at one end of the electric stay 300;
a moving member 400 for fixing the joint B301 at the other end of the electric stay 300;
a driving device 600 that drives the moving member 400 to slide in the extending and contracting direction of the electric stay 300;
a clutch member 500 provided between the output end of the driving device 600 and the moving member 400, for cutting off or transmitting the power output from the driving device 600 to the moving member 400;
the load simulation device 700 comprises a magnetic powder clutch 708 and a transmission mechanism, wherein the transmission mechanism comprises a chain wheel 701, a guide wheel A704 and a chain 703 for connecting the chain wheel 701 and the guide wheel A704 and fixedly connecting the chain 703 with the moving part 400; the output shaft of the magnetic powder clutch 708 is in transmission connection with the chain wheel 701.
The fixed component 200 and the moving component 400 can be realized by using clamping devices in the prior art, for example, the clamping device design in the first chapter of machine tool clamp design basis, the second chapter of clamping device design and the fourth chapter of electric, electromagnetic, vacuum and automatic clamping device design in the machine tool clamp handbook (third edition, author: Wangguang, publisher: Shanghai science and technology publisher, publication date: 2000-11-01) all give specific structures of clamping devices capable of realizing the functions of the fixed component 200 and the moving component 400, and the clamping devices can be applied to the fixed component 200 and the moving component 400 by those skilled in the art without making any effort, and are not described herein again.
As shown in fig. 7 and 8, the fixing member 200 in the present embodiment includes a base 204, a clamping mechanism a fixed to the base 204, a carriage provided on the base 204, and a clamping mechanism B for fixing the carriage to the base 204; as shown in fig. 9, a ball head a208 fitted with the joint a302 is fixed on the carrier; the clamping mechanism A is arranged at one end of the base far away from the moving part and is used for pressing the joint A302.
Through setting up and carrying the seat, can install electronic vaulting pole 300 on carrying the seat in advance for available manipulator will carry the seat and shift this heavy burden simulation testing arrangement from last station together with electronic vaulting pole 300, in order to use manpower sparingly, raise the efficiency. This is because the end of the electric stay 300 near the joint a302 has an overhanging cable, and if the electric stay 300 is transferred directly by a robot, the cable of the electric stay 300 may interfere with the parts of the present load simulation test apparatus, resulting in a failure to fix the joint a 302.
As shown in fig. 9, the carrier includes a clamp body 206, and according to the positioning principle, the carrier needs to limit the circumferential and axial displacements of the electric stay 300 at the same time, for this purpose, as shown in fig. 9, a ball head a208 is fixed at one end of the clamp body 206 far away from the moving part 400, the ball head a208 is matched with the spherical groove of the joint a302, so as to limit the axial and circumferential displacements of the electric stay 300, and as the electric stay 300 is long, for this purpose, as shown in fig. 7 and 9, a support member a201 and a support member B209 are respectively fixed at two ends of the clamp body 206; the supporting piece A201 and the supporting piece B209 are both provided with grooves matched with the outer circular surface of the electric support rod 300. To facilitate the alignment of the spherical recess of the joint a302 with the ball head a208, the spherical recess of the joint a302 has a downward opening, and in the present embodiment, as shown in fig. 8 and 9, a guide 207 is disposed at an end of the joint a302 facing away from the joint B301, and the guide 207 is fixedly connected to the clamp body 206.
After the load carrier is transferred to the present load simulation test apparatus together with the electric stay 300, in order to prevent the joint a302 from being separated from the ball a208 during the test, in the present embodiment, as shown in fig. 7 and 9, the fixing member 200 of the present embodiment has a clamping mechanism a for pressing the joint a302, and it is obvious that the clamping mechanism a can also be implemented by a clamping apparatus in the prior art.
As shown in fig. 7 and 9, the clamping mechanism a in this embodiment includes two clamping blocks 203 sliding in opposite directions, and a driving assembly driving the two clamping blocks 203 to slide in opposite directions, where the opposite surfaces of the two clamping blocks 203 are fixed with protrusions 2031 extending in opposite directions, and when the driving assembly drives the two clamping blocks 203 to close, the two protrusions 2031 cover the joint a302, thereby preventing the joint a302 from disengaging from the ball a 208. The driving assembly can be realized by adopting the existing clamping jaw air cylinder and the like.
As shown in fig. 10, the driving assembly in this embodiment includes a cylinder 214, a sliding body 213, and two sliding members 211 sliding toward each other along the sliding direction of the clamping block 203; each sliding part 211 is provided with a long strip slot 2111, the sliding directions of the long strip slots 2111 and the sliding parts 211 are not parallel, and the two long strip slots 2111 are oppositely arranged; the two strip grooves 2111 are respectively provided with a pin 212 fixedly connected with the sliding body 213; the cylinder body of the air cylinder 214 is fixedly connected with the base 204, and the piston rod of the air cylinder 214 is fixedly connected with the sliding body 213; the sliding direction of the sliding body 213 is perpendicular to the sliding direction of the sliding member 211.
To avoid that the entire carrier is detached from the base 204 during the test, the fixing member 200 in this embodiment further comprises a clamping mechanism B for fixing the carrier on the base 204, and obviously, the clamping mechanism B can be implemented by using the existing clamping device.
As shown in fig. 7, the clamping mechanism B in this embodiment includes a swing hook 202, a spring 210 for driving the hook 202 to hook the carrier, and a positioning structure disposed between the base 204 and the carrier; the hook 202 has an inclined surface on its top surface, which is inclined from top to bottom toward the carrier. When the carrier is placed in the base 204 from top to bottom, the carrier drives the hook 202 to swing under the action of the inclined surface, and when the bottom surface of the carrier contacts the top surface of the base 204, the spring 210 drives the hook 202 to reset, so as to hook the clamp body 206. When the carrier is taken out of the base 204, the hook 202 is pressed at an end away from the carrier, and the carrier can be taken out of the base 204 by opening the hook 202.
The positioning structure ensures the repeated positioning accuracy of the carrier on the base 204, and prevents the carrier from separating from the base 204. The positioning structure can be implemented by using a conventional clamping groove, a positioning pin, and the like, and in this embodiment, as shown in fig. 9, the positioning structure includes at least two positioning pins 205 and two positioning holes adapted to the two positioning pins 205. The positioning pin 205 can be fixed on the fixture body 206, and the positioning hole is formed on the base 204; the positioning pin 205 can also be fixed on the base 204, and the fixture body 206 is provided with the positioning hole.
As shown in fig. 3, the moving member 400 in the present embodiment includes a slide plate 401 and a clamp mechanism C fixed to the slide plate 401; as shown in fig. 4 and 5, the clamping mechanism C includes a ball B402 fitted to the joint B301 and a driving mechanism that drives the ball B402 into or out of the joint B301. The driving mechanism can be realized by adopting the prior art such as an oil cylinder or an electric cylinder.
In order to prevent the electric stay 300 from deforming under stress when the ball B402 is snapped into the joint B301, as shown in fig. 4 and 5, the moving member 400 in this embodiment further includes a supporting body 405 fixed on the sliding plate 401, and the supporting body 405 defines a receiving groove for receiving the joint B301.
In order to reduce the vertical dimension of the clamping mechanism C and avoid the clamping mechanism C from interfering with the manipulator of the transfer carriage, as shown in fig. 4 and 5, the driving mechanism in this embodiment includes a sliding guide structure a disposed between the ball B402 and the sliding plate 401, a telescopic cylinder 404 with one end hinged to the sliding plate 401, and a swing rod 403 with two ends respectively hinged to the other end of the telescopic cylinder 404 and the ball B402; the middle part of the swing rod 403 is hinged with the sliding plate 401. The telescoping cylinder 404 in this embodiment is implemented as a pneumatic cylinder. The sliding guide structure A can be realized by adopting the prior art such as a linear guide rail. In this embodiment, the sliding guide structure includes a T-shaped sliding slot 4011 formed on the sliding plate 401 and a T-shaped sliding block 408 fixedly connected to the ball B402.
In order to avoid the problem that the depth of the ball B402 being snapped into the joint B301 is too deep, which may cause the joint B301 to be damaged, as shown in fig. 5, the driving mechanism in this embodiment further includes a limiting structure for limiting the depth of the ball B being snapped into the joint B. The limiting structure can be realized by adopting the prior art.
As shown in fig. 5, the limiting structure in this embodiment includes a limiting block 407 fixed between the sliding plate 401 and the swing rod 403.
The driving device 600 may be implemented by using a single-axis robot or the like. As shown in fig. 3 and 6, the driving device 600 in the present embodiment includes a base plate 605, a sliding guide structure B601 provided between the base plate 605 and the moving member 400, a lead screw 603 rotatably supported on the base plate 605, a lead screw nut 604 fitted around the lead screw 603, a support structure provided between the lead screw nut 604 and the base plate 605 to support the lead screw nut 604, and a rotary driving member 602 driving the lead screw 603 to rotate; the spindle nut 604 is the output of the drive 600. The rotary drive 602 may be implemented by a pneumatic motor or a hydraulic motor, and the rotary drive 602 in this embodiment is implemented by a servo motor.
The sliding guide structure B601 can be implemented by using the prior art, and the sliding guide structure B601 in the embodiment is implemented by using a linear guide rail, for example, an LM rolling guide rail sold by THK corporation. Specifically, the guide rail of the linear guide is fixedly connected to the base plate 605, and the slider of the linear guide is fixedly connected to the slide plate 401 of the moving member 400.
The support structure is arranged, so that the lead screw 603 can be prevented from deforming or even breaking under the action of the self weight of the lead screw and the lead screw nut 604 and the gravity of the fixedly connected parts. As shown in fig. 6, the support structure in this embodiment includes a roller 607 rotatably provided on a lead screw nut 604 and a support bar 606 fixed on a base plate 605; the support bar 606 is provided along the sliding direction of the slide board 401; the rollers 607 are tangent to the top surface of the support bar 606, and the rollers 607 roll in the sliding direction of the sliding plate 401.
The clutch member 500 may be implemented using an existing clutch. As shown in fig. 6, the clutch member 500 in the present embodiment includes a slot 503, an insert 501, and a driving member 502 for driving the insert 501 to be inserted into or removed from the slot 503. The driving member 502 may be implemented by a cylinder, a crank sliding mechanism, etc. In this embodiment, as shown in fig. 6, the driving member 502 is implemented by a cylinder. The driving member 502 and the insertion block 501 can be connected with the screw nut 604 or a part fixedly connected with the screw nut 604, and the sliding plate 401 is provided with the slot 503; the driving member 502 and the insertion block 501 may be connected to the sliding plate 401, and the slot 503 is formed on the lead screw nut 604 or a component fixedly connected to the lead screw nut 604.
As shown in fig. 2, the load simulator 700 in this embodiment further includes a guide pulley B705, a guide pulley C706, a drive sprocket 707, and a chain tensioner 702 that tensions a chain 703. The output shaft of the magnetic powder clutch 708 is in transmission connection with the driving sprocket 707 through a chain transmission structure. The chain 703 is fixedly connected to the moving member 400 via a connecting member 406, and the connecting member 406 is fixedly connected to the slide plate 401. In this way, the magnetic particle clutch 708 can be arranged inside the machine frame 100, on the one hand saving space in the upper part of the machine frame 100 and on the other hand avoiding the magnetic particle clutch 708 from hurting people.
As shown in fig. 2, the load simulation test apparatus in this embodiment further includes a reset driving device 800 with an output end in transmission connection with the sprocket 701, so as to reset the moving member 400 when the test is completed, and facilitate the clutch member 500 to connect the moving member 400 and the driving device 600 together. In this embodiment, the reset driving apparatus 800 is implemented by a servo motor. Specifically, the reset driving device 800 is fixed on the rack 100, the reset driving device 800 is arranged opposite to the magnetic powder clutch 708, an output shaft of the reset driving device 800 is coaxial with an output shaft of the magnetic powder clutch 708, and the output shaft of the reset driving device 800 is connected with the output shaft of the magnetic powder clutch 708 through a coupler; the output shaft of the magnetic powder clutch 708 is fixed with a transmission chain wheel A, the driving chain wheel 707 is fixedly connected with a transmission shaft, and the transmission shaft is fixedly connected with a transmission chain wheel B which is in chain transmission connection with the transmission chain wheel A.
As shown in fig. 1 and 3, the load simulation test apparatus in this embodiment further includes a displacement sensor 709 for detecting a displacement of the moving member 400; the displacement sensor 709 is electrically connected to the magnetic particle clutch 708. Through setting up displacement sensor 709 for this heavy burden simulation testing arrangement constitutes closed-loop control system, and the measuring accuracy is higher. The displacement sensor 709 is electrically connected to the magnetic particle clutch 708 via a controller such as a PLC or a single chip microcomputer.
The working principle is as follows:
when in use, the electric stay bar 300 to be tested is placed on the carrier seat, the ball head A208 is inserted into the groove of the joint A302, namely the state shown in FIG. 9, then the carrier seat together with the electric stay bar 300 is transferred to the base 204, and the carrier seat positions and clamps the carrier seat through the positioning structure and the clamping mechanism B; then the driving device 600 drives the moving part 400 to slide towards the electric support rod 300 until the joint B301 is inserted into the accommodating groove, the telescopic cylinder 404 extends out, the swing rod 403 is driven to rotate, and the swing rod 403 drives the ball head B402 to slide downwards and be clamped into the groove of the joint B301; then the driving member 502 drives the insert 501 to separate from the slot 503, the driving device 600 separates from the moving part 400, the electric stay 300 is electrically expanded and contracted, the load when the electric stay 300 expands and contracts to different positions is simulated by changing the magnitude of the current supplied to the magnetic powder clutch 708, so as to complete the test, after the test is completed, the reset driving device 800 drives the moving part 400 to reset, the telescopic cylinder 404 retracts, the driving swing rod 403 rotates, the swing rod 403 drives the ball head B402 to slide upwards, the ball head B402 is separated from the joint B301, meanwhile, the driving member 502 drives the insert 501 to be inserted into the slot 503, the moving part 400 is connected with the driving device 600, then the driving device 600 drives the moving part 400 to slide in the direction far away from the electric stay 300, the joint B301 is separated from the accommodating groove, finally, the electric stay 300 completing the test and the carrier are transferred to the next station, and the next electric stay 300 to be tested and the carrier are transferred to the base, the above steps are repeated until the load simulation test of all the electric stay bars 300 is completed.
The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present teaching, but any changes in shape or structure thereof, which fall within the scope of the invention as defined in the claims, fall within the scope of protection of the invention.
Claims (9)
1. A load simulation test device for load test of an electric stay bar is characterized by comprising:
the fixing component is used for fixing a joint A at one end of the electric stay bar; the fixed part comprises a base, a clamping mechanism A fixed on the base, a carrying seat arranged on the base and a clamping mechanism B for fixing the carrying seat on the base; a ball head A matched with the joint A is fixed on the carrying seat; the clamping mechanism A is arranged at one end of the base, which is far away from the moving part, and is used for pressing the joint A;
the moving component is used for fixing the joint B at the other end of the electric stay bar;
the driving device drives the moving component to slide along the telescopic direction of the electric support rod;
the clutch component is arranged between the output end of the driving device and the moving component and is used for cutting off or transmitting the power output to the moving component by the driving device;
the load simulation device comprises a magnetic powder clutch and a transmission mechanism, wherein the transmission mechanism comprises a chain wheel, a guide wheel A and a chain which is used for connecting the chain wheel with the guide wheel A and is fixedly connected with the moving part; the output shaft of the magnetic powder clutch is in transmission connection with the chain wheel.
2. The weight-bearing simulation test device of claim 1, wherein: the device also comprises a reset driving device of which the output end is in transmission connection with the chain wheel.
3. The weight-bearing simulation test device of claim 1, wherein: the displacement sensor is used for detecting the displacement of the moving part; and the displacement sensor is electrically connected with the magnetic powder clutch.
4. The weight-bearing simulation test device of claim 1, wherein: the clamping mechanism B comprises a swinging clamping hook, a spring for driving the clamping hook to hook the carrying seat and a positioning structure arranged between the base and the carrying seat; the top surface of the clamping hook is provided with an inclined surface which gradually inclines towards the carrying seat from top to bottom.
5. The weight-bearing simulation test device of claim 1, wherein: the moving component comprises a sliding plate and a clamping mechanism C fixed on the sliding plate; the clamping mechanism C comprises a ball head B matched with the joint B and a driving mechanism for driving the ball head B to be clamped into or separated from the joint B.
6. The weight-bearing simulation test device of claim 5, wherein: the driving mechanism comprises a sliding guide structure A arranged between the ball head B and the sliding plate, a telescopic cylinder with one end hinged with the sliding plate and a swing rod with two ends respectively hinged with the other end of the telescopic cylinder and the ball head B; the middle part of the swing rod is hinged with the sliding plate.
7. The weight-bearing simulation test device of claim 6, wherein: the driving mechanism further comprises a limiting structure for limiting the depth of the ball head B clamped into the joint B.
8. The weight-bearing simulation test device of claim 1, wherein: the clutch component comprises a slot, an insert block and a driving piece for driving the insert block to be inserted into or separated from the slot.
9. The weight-bearing simulation test device of claim 1, wherein: the driving device comprises a bottom plate, a sliding guide structure B arranged between the bottom plate and the moving part, a screw rod rotatably supported on the bottom plate, a screw rod nut sleeved outside the screw rod, a supporting structure arranged between the screw rod nut and the bottom plate and used for supporting the screw rod nut, and a rotary driving piece for driving the screw rod to rotate; the screw rod nut is the output end of the driving device.
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| CN110389032A (en) | 2019-10-29 |
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Address after: No. 753, Wangcong East Road, Small and Micro Enterprises Innovation Park, North Area of Chengdu Modern Industrial Port, Pidu District, Chengdu, Sichuan 610041 Patentee after: Chengdu Tianchuang Precision Industry Co.,Ltd. Address before: No. 753, Wangcong East Road, Small and Micro Enterprises Innovation Park, North Area of Chengdu Modern Industrial Port, Pidu District, Chengdu, Sichuan 610041 Patentee before: CHENGDU TIANCHUANG PRECISION MOULD Co.,Ltd. |