CN212030911U - Knuckle bush pressure output test tool - Google Patents
Knuckle bush pressure output test tool Download PDFInfo
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- CN212030911U CN212030911U CN202020933292.5U CN202020933292U CN212030911U CN 212030911 U CN212030911 U CN 212030911U CN 202020933292 U CN202020933292 U CN 202020933292U CN 212030911 U CN212030911 U CN 212030911U
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Abstract
The utility model belongs to the technical field of a steering knuckle test tool, and provides a steering knuckle bushing pressure force test tool which comprises a supporting seat, a first bolt, a supporting sleeve and a loading head, wherein the supporting seat is provided with a first inclined plane and a second inclined plane which are symmetrical, the first inclined plane and the second inclined plane are both provided with threaded holes, the first bolt is matched with the threaded holes to detachably fix the flange surface of the steering knuckle on one of the first inclined plane and the second inclined plane and ensure that the axis of a central hole of a connecting arm of the steering knuckle, which is provided with a bush, is vertical to the working platform, the steering knuckle is supported by the supporting seat and the supporting sleeve, the experimental force is received and loaded by the loading head, the test tool can be used for completing a test without sawing the steering knuckle, and meanwhile, the test result of the press force is reliable, the test tool is convenient to install and simple in structure, and the test tool is suitable for left and right steering knuckles.
Description
Technical Field
The application relates to the technical field of a steering knuckle test tool, in particular to a steering knuckle bushing pressure output test tool.
Background
The steering knuckle is an important safety part of an automobile chassis suspension system and is connected with a damping cylinder, a spring, a brake disc, wheels, a steering pull rod, a control arm and an auxiliary frame, so that the effects of transmitting force and moment, buffering and inhibiting vibration and impact caused by uneven road surfaces are realized. The steering knuckle is provided with an installation bushing in a connecting arm hole connected with a control arm, so that the bushing cannot deform and damage under certain load bearing, and cannot slide relative to the steering knuckle, and the bushing press force test verification is required in the steering knuckle development stage.
At present, before a bushing press force test is carried out, a connecting arm to be tested needs to be sawed off, and then the bushing press force test is carried out. When carrying out the knuckle and saw cutting, need guarantee to saw cut the position and have certain distance with the bush hole, but have certain difficulty when saw cutting the position that the structure is complicated, in case saw cut the deviation appear and lead to saw cutting the position to the distance in bush hole too little, will lead to exerting pressure to exert force the test result unusually.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a knuckle bushing pressure output test tool, which can solve the problem in the background technology.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a knuckle bush pressure output test tool, which is characterized in that the tool comprises a supporting seat, a first bolt, a supporting sleeve and a loading head, wherein the supporting seat is provided with a first inclined plane and a second inclined plane which are symmetrical, threaded holes are respectively arranged on the first inclined plane and the second inclined plane, the first bolt is matched with the threaded holes to detachably fix a flange surface of a knuckle on one of the first inclined plane and the second inclined plane, and the axis of a center hole of the knuckle, which is provided with a connecting arm of a bush, is vertical to a working platform; the supporting sleeve is supported on a supporting surface below a connecting arm of a steering knuckle, wherein a bush is installed on the connecting arm, and the central hole axes of the supporting sleeve and the bush are overlapped; the supporting sleeve is cylindrical, the upper end of the supporting sleeve is provided with an opening, the diameter of an inner hole of the supporting sleeve is larger than the outer diameter of the lining, and the height of the supporting sleeve is larger than the length of the lining; the loading head is cylindrical, the lower end of the loading head is provided with an opening, the end face of the lower end of the loading head is pressed on the outer ring steel body of the bushing, and the axis of the loading head is overlapped with the axis of the central hole of the bushing; the outer diameter of the loading head is smaller than that of the bushing, and the inner cavity of the loading head does not interfere with the part outside the steel body of the outer ring of the bushing.
In some embodiments, the supporting seat comprises a supporting base and a supporting bottom plate, the supporting base is integrally U-shaped, and two sides of the U-shape incline outwards to form a first inclined surface and a second inclined surface; the supporting base is fixed on the upper surface of the supporting bottom plate.
In some embodiments, the bottom surface of the support base is a plane, and the upper surface of the support base plate is a plane; the supporting base and the supporting base plate are fixed into a whole through welding, or a first bolt hole is formed in the supporting base plate, a second bolt hole is correspondingly formed in the bottom surface of the supporting base, and the supporting base plate are fixed into a whole through cooperation of a second bolt, the first bolt hole and the second bolt hole.
In some embodiments, the knuckle bushing crush force test fixture further comprises a plurality of pressing plates, and the pressing plates press against the support base plate.
In some embodiments, the pressing plate is provided with a third bolt hole, the working platform is provided with a fourth bolt hole, and the third bolt is matched with the third bolt hole and the fourth bolt hole to fix the pressing plate on the working platform; and the third bolt can be adjusted to enable the pressure plate to press and loosen the supporting bottom plate.
In some embodiments, the support sleeve is divided into an upper portion and a lower portion, the upper and lower portions communicating with each other in their inner bores, the upper portion having an outer diameter smaller than the outer diameter of the lower portion.
In some embodiments, the edge of the top end of the support sleeve is grooved.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a knuckle bush pressure output test frock, including supporting seat, first bolt, supporting sleeve and loading head, the supporting seat has first inclined plane and the second inclined plane of symmetry, all is provided with the screw hole on first inclined plane and second inclined plane, first bolt with the screw hole cooperation can be fixed the flange face detachably of knuckle on one of them first inclined plane and second inclined plane to make the centre bore axis of the linking arm of installing the bush of knuckle perpendicular with work platform, support the knuckle through supporting seat and supporting sleeve, accept and load the experiment power through the loading head, this test frock can realize not needing to saw cut the knuckle and can accomplish the experiment, guarantees simultaneously that the pressure output test result is reliable, and simple to operate, simple structure, the knuckle about experimental frock is suitable for simultaneously.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a knuckle bushing push-out force test fixture according to one or more embodiments of the present disclosure.
Fig. 2 is a schematic structural diagram of a support seat of a knuckle bush compression force test fixture according to one or more embodiments of the present application.
Fig. 3 is a schematic structural diagram of a support sleeve of a knuckle bush push-out force test fixture according to one or more embodiments of the present disclosure.
Fig. 4 is a schematic structural diagram of a loading head of a knuckle bushing push-out force test tool according to one or more embodiments of the present disclosure.
Wherein: 1-knuckle, 2-bush, 3-support seat, 4-first bolt, 5-support sleeve, 6-loading head, 7-support base, 8-support bottom plate, 9-pressure plate, 10-working platform, 11-first inclined plane, 12-second inclined plane, 13-threaded hole, 14-third bolt, 15-sleeve upper part, 16-sleeve lower part and 17-groove.
Detailed Description
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In order to realize that a test can be completed without sawing a steering knuckle and ensure reliable test results of the compression force, one embodiment of the application provides a steering knuckle bushing compression force test tool which is characterized by comprising a supporting seat, a first bolt, a supporting sleeve and a loading head, wherein the supporting seat is provided with a first inclined plane and a second inclined plane which are symmetrical, the first inclined plane and the second inclined plane are both provided with threaded holes, the first bolt is matched with the threaded holes to detachably fix a flange surface of the steering knuckle on one of the first inclined plane and the second inclined plane, and the axis of a central hole of a connecting arm of the steering knuckle, which is provided with a bushing, is perpendicular to a working platform; the supporting sleeve is supported on a supporting surface below a connecting arm of a steering knuckle, wherein a bush is installed on the connecting arm, and the central hole axes of the supporting sleeve and the bush are overlapped; the supporting sleeve is cylindrical, the upper end of the supporting sleeve is provided with an opening, the diameter of an inner hole of the supporting sleeve is larger than the outer diameter of the lining, and the height of the supporting sleeve is larger than the length of the lining; the loading head is cylindrical, the lower end of the loading head is provided with an opening, the end face of the lower end of the loading head is pressed on the outer ring steel body of the bushing, and the axis of the loading head is overlapped with the axis of the central hole of the bushing; the outer diameter of the loading head is smaller than that of the bushing, and the inner cavity of the loading head does not interfere with the part outside the steel body of the outer ring of the bushing. Support the knuckle through supporting seat and supporting sleeve in this embodiment, accept and load the experiment power through the loading head, this experimental frock can realize not sawing and cutting the knuckle and can accomplish experimental, guarantees simultaneously that the experimental result of exerting oneself is reliable, and simple to operate, simple structure, and experimental frock is suitable for about the knuckle simultaneously.
In order to form two symmetrical inclined planes, the tool is suitable for a left steering knuckle and a right steering knuckle at the same time, in some embodiments, the supporting base comprises a supporting base and a supporting bottom plate, the supporting base is integrally U-shaped, and two sides of the U-shaped incline outwards to form a first inclined plane and a second inclined plane; the supporting base is fixed on the upper surface of the supporting bottom plate.
In some embodiments, the bottom surface of the support base is a plane, and the upper surface of the support base plate is a plane; the supporting base and the supporting base plate are fixed into a whole through welding, or a first bolt hole is formed in the supporting base plate, a second bolt hole is correspondingly formed in the bottom surface of the supporting base, and the supporting base plate are fixed into a whole through cooperation of a second bolt, the first bolt hole and the second bolt hole.
In order to compress the support seat, in some embodiments, the knuckle bushing push-out force test fixture further includes a plurality of pressing plates, and the pressing plates compress the support base plate.
In some embodiments, the pressing plate is provided with a third bolt hole, the working platform is provided with a fourth bolt hole, and the third bolt is matched with the third bolt hole and the fourth bolt hole to fix the pressing plate on the working platform; and the third bolt can be adjusted to enable the pressure plate to press and loosen the supporting bottom plate.
In order to make the support sleeve more stable to place and increase the stress surface of the lower part at the same time, and avoid damaging the working platform, in some embodiments, the support sleeve is divided into an upper part and a lower part, the inner holes of the upper part and the lower part are communicated, and the outer diameter of the upper part is smaller than that of the lower part.
In order that the support sleeve does not interfere with the steering knuckle, in some embodiments the edge of the top end of the support sleeve is notched. The steering knuckle is not contacted with the supporting sleeve by arranging the groove, so that the influence on the bush pressure output test is avoided.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example 1:
the embodiment 1 provides a knuckle bushing pressing force test tool, as shown in fig. 1, which includes a support base 3, a first bolt 4, a support sleeve 5, a loading head 6 and a pressing plate 9. A bush 2 is mounted in the connecting arm of the knuckle 1 in fig. 1. The supporting seat 3 is provided with a first inclined surface 11 and a second inclined surface 12 which are symmetrical, and threaded holes 13 are formed in the first inclined surface 11 and the second inclined surface 12. As shown in fig. 1, the first bolt 4 and the threaded hole 13 cooperate to detachably fasten the flange surface of the knuckle 1 to one of the first inclined surface 11 and the second inclined surface 12, and to make the central hole axis of the connecting arm of the knuckle 1, to which the bush 2 is mounted, perpendicular to the work platform 10.
As shown in fig. 2, the supporting seat 3 includes a supporting base 7 and a supporting bottom plate 8, the supporting base 7 is generally U-shaped, and two sides of the U-shape are inclined outwards to form a first inclined surface 11 and a second inclined surface 12. The bottom surface of the supporting base 7 is a plane, and the upper surface of the supporting bottom plate 8 is a plane. The supporting base 7 is fixed on the upper surface of the supporting bottom plate 8. The supporting base plate 8 is provided with a first bolt hole, the bottom surface of the corresponding supporting base 7 is also provided with a second bolt hole, and the supporting base 7 and the supporting base plate 8 are fixed into a whole by the cooperation of the second bolt, the first bolt hole and the second bolt hole (the second bolt, the first bolt hole and the second bolt hole are not shown in the figure because of the shielding of components). A plurality of pressing plates 9 are arranged on the working platform 10, and the pressing plates 9 tightly press the supporting bottom plate 8. The pressing plate 9 is provided with a third bolt hole, the working platform 10 is provided with a fourth bolt hole, and the third bolt 14 is matched with the third bolt hole and the fourth bolt hole to fix the pressing plate on the working platform (the third bolt hole and the fourth bolt hole are not shown due to shielding of an attached drawing). Adjusting the third bolt 14 can press and loosen the pressure plate 9 against the support base plate 8.
As shown in fig. 1 and 3, the support sleeve 5 supports a support surface below the connecting arm of the knuckle 1 to which the bush 2 is mounted, and the support sleeve 5 and the center hole axis of the bush 2 coincide, and the support sleeve 5 does not interfere with the knuckle 1. The support sleeve 5 is a cylinder with an opening at the upper end, the diameter of an inner hole of the support sleeve 5 is larger than the outer diameter of the lining 2, and the height of the support sleeve 5 is larger than the length of the lining 2. The supporting sleeve 5 is divided into an upper sleeve part 15 and a lower sleeve part 16, inner holes of the upper sleeve part 15 and the lower sleeve part 16 are communicated, and the outer diameter of the upper sleeve part 15 is smaller than that of the lower sleeve part 16. In order to avoid the steering knuckle 1 affecting the placement of the support sleeve 5, the edge of the top end of the support sleeve 5 is provided with a groove 17.
As shown in fig. 4, the loading head 6 has a cylindrical shape with an opening at a lower end. The lower end face of the loading head 6 is pressed on the outer ring steel body of the bushing 2, the lower end face of the loading head 6 is not in contact with other parts of the bushing 2 (namely, the parts outside the outer ring steel body), and the axes of the loading head 6 and the central hole of the bushing 2 are coincident. The outer diameter of the loading head 6 is smaller than the outer diameter of the bush 2, and the inner hole of the loading head 6 is ensured not to interfere with (i.e. not to conflict with or affect) the part of the bush 2 except the outer ring steel body.
The knuckle bushing press force test tool is used in a bushing press force test: firstly, a support base 7 and a support bottom plate 8 are connected through a first bolt 4 (bearing bolt), and a steering knuckle 1 is fastened on the support base 7 through the first bolt 4; then, the supporting sleeve 5 is placed below the supporting surface of the connecting arm provided with the bush 2, the axis of the central hole of the supporting sleeve 5 and the axis of the central hole of the bush 2 are enabled to be coincident, the position of the tool on the working platform 10 is adjusted, the axis of the hole of the bush 2 is enabled to be coincident with the axis of a loading rod of the universal material testing machine, and the supporting bottom plate 8 is fixed on the working platform 10 through the pressing plate 9 after the adjustment is completed; and then, placing the loading head 6 above the supporting surface of the connecting arm provided with the bush 2 to be in contact with the steel body on the outer side of the bush 2, ensuring that the axes of the loading head 6 and the central hole of the bush 2 are overlapped, directly contacting the loading rod of the universal material testing machine with the loading head 6, and applying a vertical downward load until the bush 2 slides. Then, when the pressing force test of the bush 2 on the other side of the knuckle 1 is performed, the knuckle 1 may be mounted on the other symmetrical support surface of the support base 3.
In the embodiment, a knuckle bush pressure output test tool is characterized in that a flange face of a knuckle 1 is fixed by a support seat 3, the same support seat 3 can be used on the left side and the right side of the knuckle 1, it is ensured that the axis of a bush hole on the knuckle 1, which needs to be subjected to pressure output verification, is perpendicular to a working platform 10, a connecting arm with a bush 2 is supported by a support sleeve 5, the support sleeve 5 is placed on the working platform 10, a loading head 6 is installed at the other end of the connecting arm, the loading head 6 is in contact with the outer ring of the bush 2 and is perpendicular to the working platform 10, a load is applied to the loading head 6 until the bush 2 slides, the knuckle 1 is not required to be sawed, the bush 2 pressure output test can be completed by integrally fixing the knuckle 1, the test tool is convenient to install and.
The fixed connection between the supporting base 7 and the supporting base plate 8 further includes other common fixed connection manners such as welding, riveting, and the like, and in other embodiments, the supporting base 7 and the supporting base plate 8 are fixed into a whole by welding.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (7)
1. A steering knuckle bushing pressure output test tool is characterized by comprising a supporting seat, a first bolt, a supporting sleeve and a loading head, wherein the supporting seat is provided with a first inclined surface and a second inclined surface which are symmetrical, threaded holes are formed in the first inclined surface and the second inclined surface, the first bolt is matched with the threaded holes to detachably fix a flange surface of a steering knuckle on one of the first inclined surface and the second inclined surface, and the axis of a central hole of a connecting arm, provided with a bushing, of the steering knuckle is perpendicular to a working platform;
the supporting sleeve is supported on a supporting surface below a connecting arm of a steering knuckle, wherein a bush is installed on the connecting arm, and the central hole axes of the supporting sleeve and the bush are overlapped; the supporting sleeve is cylindrical, the upper end of the supporting sleeve is provided with an opening, the diameter of an inner hole of the supporting sleeve is larger than the outer diameter of the lining, and the height of the supporting sleeve is larger than the length of the lining;
the loading head is cylindrical, the lower end of the loading head is provided with an opening, the end face of the lower end of the loading head is pressed on the outer ring steel body of the bushing, and the axis of the loading head is overlapped with the axis of the central hole of the bushing; the outer diameter of the loading head is smaller than that of the bushing, and the inner cavity of the loading head does not interfere with the part outside the steel body of the outer ring of the bushing.
2. The knuckle bushing crush force test fixture according to claim 1, wherein the support base includes a support base and a support bottom plate, the support base is generally U-shaped, and two sides of the U-shape are inclined outward to form a first inclined surface and a second inclined surface; the supporting base is fixed on the upper surface of the supporting bottom plate.
3. The knuckle bushing push-out force test fixture according to claim 2, wherein the bottom surface of the support base is a plane, and the upper surface of the support base plate is a plane; the supporting base and the supporting base plate are fixed into a whole through welding, or a first bolt hole is formed in the supporting base plate, a second bolt hole is correspondingly formed in the bottom surface of the supporting base, and the supporting base plate are fixed into a whole through cooperation of a second bolt, the first bolt hole and the second bolt hole.
4. The knuckle bushing push-out force test fixture of claim 2, further comprising a plurality of hold-down plates, wherein the hold-down plates compress the support base plate.
5. The knuckle bushing compression force test tool according to claim 4, wherein the pressure plate is provided with a third bolt hole, the working platform is provided with a fourth bolt hole, and the third bolt is matched with the third bolt hole and the fourth bolt hole to fix the pressure plate on the working platform; and the third bolt can be adjusted to enable the pressure plate to press and loosen the supporting bottom plate.
6. The knuckle bushing crush force test fixture of claim 1, wherein the support sleeve is divided into an upper portion and a lower portion, the inner bores of the upper and lower portions are in communication, and the outer diameter of the upper portion is smaller than the outer diameter of the lower portion.
7. The knuckle bushing push-out force test fixture of claim 1, wherein the top end of the support sleeve is notched at its edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020933292.5U CN212030911U (en) | 2020-05-28 | 2020-05-28 | Knuckle bush pressure output test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020933292.5U CN212030911U (en) | 2020-05-28 | 2020-05-28 | Knuckle bush pressure output test tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212030911U true CN212030911U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020933292.5U Active CN212030911U (en) | 2020-05-28 | 2020-05-28 | Knuckle bush pressure output test tool |
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|---|---|
| CN (1) | CN212030911U (en) |
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- 2020-05-28 CN CN202020933292.5U patent/CN212030911U/en active Active
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