CN209979185U - Bush rigidity test tool - Google Patents
Bush rigidity test tool Download PDFInfo
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- CN209979185U CN209979185U CN201920577175.7U CN201920577175U CN209979185U CN 209979185 U CN209979185 U CN 209979185U CN 201920577175 U CN201920577175 U CN 201920577175U CN 209979185 U CN209979185 U CN 209979185U
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- sliding seat
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- connecting arms
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Abstract
The utility model provides a bush rigidity test tool, which comprises an upper clamp and a lower clamp, wherein the upper clamp comprises an upper slide seat and two upper connecting arms arranged on the slide seat, the top of the upper slide seat is connected with a testing machine, and the lower end of the upper slide seat is respectively fixed with the end part of a fixed shaft of a bush; the lower clamp comprises a fixed disc and a lower sliding seat arranged above the fixed disc, two lower connecting arms are arranged on the lower sliding seat, the bottoms of the two lower connecting arms and the lower sliding seat are fixed through fixing bolts, and the tops of the two lower connecting arms and the side face of the lining are fixedly arranged through a fixed seat; the two upper connecting arms and the two lower connecting arms are installed in a cross manner; the bottom fixed mounting fixed plate of fixed disc, the fixed plate is connected with the testing machine. Experimental frock of bush rigidity last anchor clamps and all be the symmetrical design of adoption of lower anchor clamps to be equipped with the scale specially, can realize the selection of quick installation and symmetric position, overall structure design is stable, measuring result is accurate.
Description
Technical Field
The utility model belongs to the technical field of the automobile inspection, especially, relate to a bush rigidity test frock.
Background
In the field of automobiles, simulation analysis of the directions of chassis control stability, KC characteristics, strength, fatigue durability and the like needs to establish a multi-body dynamic model of a chassis, and the rigidity of a lining needs to be measured when the multi-body dynamic model is established. The existing test mode is as shown in fig. 1, two L-shaped supports which are symmetrically arranged are fixed by bolts in the test force application direction, so that the installation is inconvenient, the parallel and centering of the positions of two sides are not easy to guarantee, and the bolts can be loosened along with the increase of the tensile force during the test. If the positions of the two sides are not parallel or the bolt is loosened during installation, the tool which should move along the direction of the dotted line in the figure 2 moves along the direction of the solid line in the actual test process, so that the test precision is directly influenced, and the measurement result is inaccurate. Similarly, the fixture seat for fixing the bushing below should ensure the horizontal position and avoid the fastening bolt from being located in the force application direction, so as to ensure the test precision.
Disclosure of Invention
In view of this, the utility model aims at providing a bush rigidity test frock to solve the unsafe problem of current bush testing arrangement measuring result.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a bush rigidity test tool comprises an upper clamp and a lower clamp, wherein the upper clamp comprises an upper sliding seat and two upper connecting arms arranged on the sliding seat, the top of the upper sliding seat is connected with a testing machine, the upper ends of the upper connecting arms are fixed on the upper sliding seat through fixing bolts, the lower ends of the upper connecting arms are respectively fixed with the end parts of fixing shafts of bushes, and the two ends of each bush are fixed between the two upper connecting arms through the fixing shafts and the bolts;
the lower clamp comprises a fixed disc and a lower sliding seat arranged above the fixed disc, two lower connecting arms are arranged on the lower sliding seat, the bottoms of the two lower connecting arms and the lower sliding seat are fixed through fixing bolts, and the tops of the two lower connecting arms and the side face of the lining are fixedly arranged through a fixed seat;
the two upper connecting arms and the two lower connecting arms are installed in a cross manner;
the bottom fixed mounting fixed plate of fixed disc, the fixed plate is connected with the testing machine.
Further, the fixed plate is a steel plate with an inverted isosceles trapezoid structure, the bottom surface of the fixed plate is parallel to the fixed disc, and a round hole is formed in the center of the bottom surface and used for being connected with the testing machine;
the center of the fixed disc is provided with a mounting hole, and the round hole is arranged right below the mounting hole.
Furthermore, the upper sliding seat and the lower sliding seat respectively comprise a sliding rail and a connecting part which are integrally formed, the cross section of the sliding rail is of an isosceles trapezoid structure, and the connecting part is a rectangular steel plate;
go up the linking arm the same with lower linking arm structure, all include connecting block and connecting plate, the connecting block, connecting plate and connecting block integrated into one piece, open on the connecting block have with the spout that slide rail and connecting plate correspond, it is fixed through fixing bolt between connecting block and the connecting portion, the one end and the connecting block of connecting plate are connected fixedly, and the other end passes through bolted connection with the fixed axle or the fixing base of bush tip.
Furthermore, the connecting part of the upper sliding seat is arranged above the sliding rail, and scales are marked on the connecting part;
the connecting part is also provided with a strip-shaped adjusting hole, and the adjusting hole is used for adjusting the position of the upper connecting arm on the upper sliding seat and is fixed through a fixing bolt;
the middle position of the connecting portion of the upper slide is provided with a fixed cylinder, the axis position of the fixed cylinder is provided with an internal thread hole, and the fixed cylinder is connected with the testing machine through a fixed cylinder bolt.
Furthermore, two lower sliding seats are arranged on the fixed disc and symmetrically arranged around the circle center, connecting parts of the lower sliding seats are arranged below the sliding rails, the bottoms of the connecting parts are fixedly installed with the fixed disc, and strip-shaped adjusting holes are also formed in the connecting parts of the lower sliding seats and used for adjusting the positions of the lower connecting arms;
the slide rail of lower slide is marked with the scale.
Furthermore, the fixed seat comprises two semicircular steel plates with the same structure, the diameter of the semicircle corresponds to the outer diameter of the bushing, and two ends of the two semicircular steel plates are fixed through bolts;
one end of the semicircular steel plate is arranged right above the bushing, and the other end of the semicircular steel plate is arranged right below the bushing;
the middle position fixed mounting L template of semicircle shaped steel board, the other end of L template is downwards to be equipped with and pass through bolt fixed mounting with the connecting plate of lower linking arm.
Compared with the prior art, experimental frock of bush rigidity have following advantage:
(1) experimental frock of bush rigidity last anchor clamps and all be the symmetrical design of adoption of lower anchor clamps to be equipped with the scale specially, can realize the selection of quick installation and symmetric position, overall structure design is stable, measuring result is accurate.
(2) When the bushing rigidity test tool is disassembled, only the bushing and the connecting arm need to be disassembled, and the connecting arm does not need to be disassembled from the upper sliding seat and the lower sliding seat, so that the operation is convenient; the relative position is easily adjusted and can be ensured that the bushing is simultaneously positioned at the centers of the upper clamp and the lower clamp according to the scale, and meanwhile, the mounting structure avoids that the fastening bolt is positioned in the force application direction of the testing machine, thereby ensuring the accuracy of the test result and improving the test precision.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is a view of an overall assembly structure of a bushing stiffness test fixture according to an embodiment of the present invention;
FIG. 2 is an overall structure diagram of a bushing stiffness test fixture according to an embodiment of the present invention;
FIG. 3 is a diagram of a fixed disk structure according to an embodiment of the present invention;
fig. 4 is a structural diagram of a connecting arm according to an embodiment of the present invention;
fig. 5 is a diagram illustrating a conventional testing principle according to an embodiment of the present invention;
fig. 6 is a structural diagram of a traditional testing force-receiving direction according to an embodiment of the present invention.
Description of reference numerals:
1. an upper slide base; 11. a connecting portion; 12. a slide rail; 13. a fixed cylinder; 14. calibration; 15. a strip-shaped adjusting hole; 2. an upper connecting arm; 21. connecting blocks; 22. a connecting plate; 23. a chute; 24. fixing the bolt; 3. a bushing; 4. a fixed seat; 41. an L-shaped plate; 5. a lower connecting arm; 6. a lower slide base; 7. fixing the disc; 71. mounting holes; 8. a fixing plate; 9. and fixing the shaft.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 and 2, a bush rigidity test tool comprises an upper clamp and a lower clamp, wherein the upper clamp comprises an upper sliding seat 1 and two upper connecting arms 2 mounted on the sliding seat, the top of the upper sliding seat 1 is connected with a testing machine, the upper ends of the upper connecting arms 2 are fixed on the upper sliding seat 1 through fixing bolts 24, the lower ends of the upper connecting arms are respectively fixed with the end parts of fixing shafts 9 of bushes 3, and two ends of each bush 3 are fixed between the two upper connecting arms 2 through the fixing shafts 9 and bolts;
the upper clamp is used for fixing two ends of the bushing 3, the lower clamp is used for fixing the side face of the bushing 3, and the two sides of the upper clamp and the two sides of the lower clamp are designed to be symmetrical structures, so that the result accuracy in testing is guaranteed.
As shown in fig. 1, 2 and 3, the lower clamp includes a fixed disc 7 and a lower sliding seat 6 installed above the fixed disc 7, two lower connecting arms 5 are arranged on the lower sliding seat 6, the bottoms of the two lower connecting arms 5 and the lower sliding seat 6 are fixed by fixing bolts 24, and the tops of the two lower connecting arms and the side surface of the bush 3 are fixedly installed by fixing seats 4;
the two upper connecting arms 2 and the two lower connecting arms 5 are arranged in a cross shape;
the bottom fixed mounting fixed plate 8 of fixed disc 7, fixed plate 8 is connected with the testing machine.
The fixed plate 8 is a steel plate with an inverted isosceles trapezoid structure, the bottom surface of the fixed plate is parallel to the fixed disc 7, and a round hole is formed in the center of the bottom surface and used for being connected with a testing machine; the center of the fixed disk 7 is provided with a mounting hole 71, a round hole is arranged right below the mounting hole 71, and the mounting hole 71 is used for increasing the wrench space and the mounting space of the bush 3.
As shown in fig. 1, 2 and 4, the upper sliding seat 1 and the lower sliding seat 6 both include a sliding rail 12 and a connecting portion 11 that are integrally formed, the cross section of the sliding rail 12 is an isosceles trapezoid structure, and the connecting portion 11 is a rectangular steel plate;
go up linking arm 2 and 5 structures of lower linking arm the same, all include connecting block 21 and connecting plate 22, connecting block 21, connecting plate 22 and connecting block 21 integrated into one piece, connecting block 21 go up open have with slide rail 12 and the spout 23 that connecting plate 22 corresponds, it is fixed through fixing bolt 24 between connecting block 21 and the connecting portion 11, the one end and the connecting block 21 of connecting plate 22 are connected fixedly, and the other end passes through bolted connection with fixed axle 9 or fixing base 4 of 3 tip of bush.
The connecting part 11 of the upper sliding seat 1 is arranged above the sliding rail 12, and the connecting part 11 is marked with scales 14; when two upper connecting arms 2 are fixed, whether the two upper connecting arms 2 are symmetrical or not can be observed through the scales 14, and the accuracy of the test can be ensured only by symmetrical design.
Still be equipped with on connecting portion 11 with bar regulation hole 15, the regulation hole is used for adjusting the position of linking arm 2 on last slide 1 to fixed through fixing bolt 24, can control through bar regulation hole 15 and adjust two and go up linking arm 2, lower slide 6 has also adopted the same structural design, can change the interval between the linking arm in a flexible way, adapts to the not test of the bush 3 of equidimension.
The middle position of the connecting portion 11 of the upper sliding seat 1 is provided with a fixed cylinder 13, the axis position of the fixed cylinder 13 is provided with an internal thread hole, and the fixed cylinder 13 is connected with a testing machine through a bolt.
The fixed disc 7 is provided with two lower sliding seats 6 which are symmetrically arranged around the circle center, the connecting parts 11 of the lower sliding seats 6 are arranged below the sliding rails 12, the bottoms of the connecting parts 11 are fixedly installed with the fixed disc 7, and the connecting parts 11 of the lower sliding seats 6 are also provided with strip-shaped adjusting holes 15 for adjusting the positions of the lower connecting arms 5;
the scales 14 are marked on the sliding rails 12 of the lower sliding base 6, the centering positions of the two lower connecting arms 5 can be quickly determined through the scales 14, the distance between the two lower connecting arms 5 can also be quickly determined according to the scales 14, and the testing efficiency is effectively improved.
The fixing seat 4 comprises two semicircular steel plates with the same structure, the semicircular diameter corresponds to the outer diameter of the bushing 3, the two ends of the two semicircular steel plates are fixed through bolts, as shown in figure 1, the bushing is fixedly wrapped through the two semicircular steel plates, and the two sides of the bushing are fixedly connected with the lower clamp through the L-shaped plate.
One end of the semicircular steel plate is arranged right above the bushing 3, and the other end of the semicircular steel plate is arranged right below the bushing;
the middle position of the semicircular steel plate is fixedly provided with an L-shaped plate 41, the other end of the L-shaped plate 41 faces downwards, and the L-shaped plate is fixedly arranged with the connecting plate 22 of the lower connecting arm 5 through a bolt. Fixed axle 9 and last linking arm 2 fixed mounting are passed through at the both ends of bush 3, and the side is supplementary fixed through fixing base 4 to all adopt the symmetry design about going up anchor clamps, the both ends of lower anchor clamps also adopt the symmetry design, and the test result is more accurate. During the use, only need install according to the structure in figure 1, when the dismantlement of test, only need dismantle two of last anchor clamps go up linking arm 2, to both sides removal just can take off bush 3, lower linking arm 5 only need with the bolt of fixing base 4 being connected take off can, it is all very convenient to dismantle and assemble.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a bush rigidity test frock which characterized in that: the testing device comprises an upper clamp and a lower clamp, wherein the upper clamp comprises an upper sliding seat (1) and two upper connecting arms (2) arranged on the sliding seat, the top of the upper sliding seat (1) is connected with a testing machine, the upper ends of the upper connecting arms (2) are fixed on the upper sliding seat (1) through fixing bolts (24), the lower ends of the upper connecting arms are respectively fixed with the end parts of fixing shafts of bushings (3), and the two ends of the bushings (3) are fixed between the two upper connecting arms (2) through the fixing shafts and bolts;
the lower clamp comprises a fixed disc (7) and a lower sliding seat (6) arranged above the fixed disc (7), two lower connecting arms (5) are arranged on the lower sliding seat (6), the bottoms of the two lower connecting arms (5) are fixed with the lower sliding seat (6) through fixing bolts (24), and the tops of the two lower connecting arms are fixedly arranged with the side surface of the lining (3) through a fixed seat (4);
the two upper connecting arms (2) and the two lower connecting arms (5) are arranged in a cross shape;
the bottom fixed mounting fixed plate (8) of fixed disc (7), fixed plate (8) are connected with the testing machine.
2. The bushing rigidity test tool according to claim 1, characterized in that: the fixing plate (8) is a steel plate with an inverted isosceles trapezoid structure, the bottom surface of the fixing plate is parallel to the fixing disc (7), and a round hole is formed in the center of the bottom surface and used for being connected with a testing machine;
the center of the fixed disc (7) is provided with a mounting hole (71), and the round hole is arranged right below the mounting hole (71).
3. The bushing rigidity test tool according to claim 1, characterized in that: the upper sliding seat (1) and the lower sliding seat (6) comprise a sliding rail (12) and a connecting part (11) which are integrally formed, the section of the sliding rail (12) is of an isosceles trapezoid structure, and the connecting part (11) is a rectangular steel plate;
go up linking arm (2) and linking arm (5) structure the same down, all include connecting block (21) and connecting plate (22), connecting block (21), connecting plate (22) and connecting block (21) integrated into one piece, on connecting block (21) open have with spout (23) that slide rail (12) and connecting plate (22) correspond, it is fixed through fixing bolt (24) between connecting block (21) and connecting portion (11), the one end and the connecting block (21) of connecting plate (22) are connected fixedly, and the other end passes through bolted connection with fixed axle or fixing base (4) of bush (3) tip.
4. The bushing stiffness test tool according to claim 3, characterized in that: the connecting part (11) of the upper sliding seat (1) is arranged above the sliding rail (12), and scales (14) are marked on the connecting part (11);
the connecting part (11) is also provided with a strip-shaped adjusting hole (15), and the adjusting hole is used for adjusting the position of the upper connecting arm (2) on the upper sliding seat (1) and is fixed through a fixing bolt (24);
the middle position of the connecting part (11) of the upper sliding seat (1) is provided with a fixed cylinder (13), the axis position of the fixed cylinder (13) is provided with an internal thread hole, and the fixed cylinder (13) is connected with a testing machine through a bolt.
5. The bushing rigidity test tool according to claim 3 or 4, characterized in that: the fixed disc (7) is provided with two lower sliding seats (6) which are symmetrically arranged around the circle center, connecting parts (11) of the lower sliding seats (6) are arranged below the sliding rails (12), the bottoms of the connecting parts (11) are fixedly installed with the fixed disc (7), and the connecting parts (11) of the lower sliding seats (6) are also provided with strip-shaped adjusting holes (15) for adjusting the positions of the lower connecting arms (5);
scales (14) are marked on a sliding rail (12) of the lower sliding seat (6).
6. The bushing rigidity test tool according to claim 1, characterized in that: the fixed seat (4) comprises two semicircular steel plates with the same structure, the diameter of the semicircle corresponds to the outer diameter of the lining (3), and two ends of the two semicircular steel plates are fixed through bolts;
one end of the semicircular steel plate is arranged right above the bushing (3), and the other end of the semicircular steel plate is arranged right below the bushing;
and an L-shaped plate (41) is fixedly arranged in the middle of the semicircular steel plate, the other end of the L-shaped plate (41) faces downwards, and the L-shaped plate is fixedly arranged on a connecting plate (22) of the lower connecting arm (5) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920577175.7U CN209979185U (en) | 2019-04-25 | 2019-04-25 | Bush rigidity test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920577175.7U CN209979185U (en) | 2019-04-25 | 2019-04-25 | Bush rigidity test tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209979185U true CN209979185U (en) | 2020-01-21 |
Family
ID=69259463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920577175.7U Expired - Fee Related CN209979185U (en) | 2019-04-25 | 2019-04-25 | Bush rigidity test tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209979185U (en) |
-
2019
- 2019-04-25 CN CN201920577175.7U patent/CN209979185U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 Termination date: 20200425 |