CN215811652U - Wheel end play detection device - Google Patents
Wheel end play detection device Download PDFInfo
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- CN215811652U CN215811652U CN202121915959.XU CN202121915959U CN215811652U CN 215811652 U CN215811652 U CN 215811652U CN 202121915959 U CN202121915959 U CN 202121915959U CN 215811652 U CN215811652 U CN 215811652U
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- rotating shafts
- wheel
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- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000009191 jumping Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The wheel end play detection device comprises a rack, a rotating seat, a shaft head, a fixed seat and a dial indicator; two sides of the rack are respectively pivoted with a rotating shaft, the extending directions of the two rotating shafts are consistent with the width direction of the rack, the rotating axes of the two rotating shafts are superposed, and two ends of the rotating seat are respectively fixed on the two rotating shafts; the shaft head comprises an outer end part and an inner end part opposite to the outer end part, and the inner end part of the shaft head is fixedly connected to the rotating seat; a wheel hub is arranged outside the shaft head through an inner bearing and an outer bearing; the fixing seat is fixedly connected to the outer end portion of the shaft head, the dial indicator is installed on the fixing seat, and the measuring head of the dial indicator is pressed on the outer end face of the wheel hub. The utility model can accurately and quickly detect the play amount of the hub.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a wheel end play detection device.
Background
An axle assembly of a trailer generally comprises an axle, a hub and the like, wherein the hub is arranged on an axle head of the axle through an inner bearing and an outer bearing, a spindle nose nut is arranged at the outer side end of the spindle nose, the hub extrudes an outer ring of the outer bearing outwards, the spindle nose nut extrudes an inner ring of the outer bearing inwards, after the spindle nose nut is assembled in place, in order to meet the rotation requirement of the outer bearing, a certain clearance is required to be formed between the inner ring and the outer ring of the outer bearing, so that the hub can jump along the axial direction of the spindle nose after being assembled with the spindle nose, in order to ensure the safety and the driving performance of a vehicle, the jumping amount of the hub needs to be controlled within a certain range, the jumping amount of the hub needs to be not too large or too small, and the jumping amount of the hub needs to be detected; the existing detection mode is a manual operation mode, and the detection efficiency and the detection precision are low.
SUMMERY OF THE UTILITY MODEL
In view of the disadvantages of the prior art, an object of the present invention is to provide a wheel end play detecting device capable of improving the detecting efficiency and accuracy of the wheel hub play amount.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the wheel end play detection device comprises a rack, a rotating seat, a shaft head, a fixed seat and a dial indicator;
two sides of the rack are respectively pivoted with a rotating shaft, the extending directions of the two rotating shafts are consistent with the width direction of the rack, the rotating axes of the two rotating shafts are superposed, and two ends of the rotating seat are respectively fixed on the two rotating shafts;
the shaft head comprises an outer end part and an inner end part opposite to the outer end part, and the inner end part of the shaft head is fixedly connected to the rotating seat; a wheel hub is arranged outside the shaft head through an inner bearing and an outer bearing;
the fixing seat is fixedly connected to the outer end portion of the shaft head, the dial indicator is installed on the fixing seat, and the measuring head of the dial indicator is pressed on the outer end face of the wheel hub.
An embedded block fixedly matched with the shaft head is embedded in the outer end part of the shaft head, and the fixed seat is connected to the embedded block through a bolt.
Two sides of the fixed seat extend outwards respectively to form a cantilever, and a dial indicator is arranged on each of the two cantilevers.
The frame includes the base, two are fixed respectively in the base both sides and along the vertical beam of direction of height extension, two are fixed respectively at the mount pad at two vertical beam tops, and two pivots are pin joint respectively on two mount pads.
The rotating seat comprises a supporting plate and two connecting arms which are fixedly connected to two ends of the supporting plate respectively and extend upwards, and the upper end parts of the two connecting arms are fixed on the two rotating shafts respectively.
The wheel end play detection device further comprises a limiting rod, one end of the limiting rod is synchronously connected with one of the rotating shafts, the other end of the limiting rod forms a limiting end, and a limiting seat matched with the limiting end and used for limiting the rotating angle of the one of the rotating shafts is arranged on the rack.
One of the rotating shafts is provided with a square shaft, one end of the limiting rod is provided with a square hole, and the square shaft is connected in the square hole in a penetrating manner.
The wheel end play detection device also comprises a balancing weight which is annular and is fixed on the periphery of the wheel hub in a detachable mode.
The utility model has the beneficial effects that:
according to the utility model, the axle head is arranged on the turnable rotating seat, and the vertical direction of the axle head can be changed through the rotation of the rotating seat, so that the wheel hub on the axle head can move downwards to the lowest position under the action of self gravity at different positions without manually pushing the wheel hub, and the shifting amount of the wheel hub can be accurately and rapidly detected.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation of the present invention;
FIG. 3 is a schematic view of an operating state of the present invention;
fig. 4 is a schematic view of another working state of the present invention.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 and 2, the wheel end play detection device of the present invention includes a frame 10, a rotating base 20, a spindle head 40, a fixing base 51, and a dial indicator 52. Two rotating shafts 14 are respectively arranged at two sides of the frame 10, the two rotating shafts 14 extend along the width direction of the frame 10, the rotating axes of the two rotating shafts 14 are overlapped, and two ends of the rotating seat 20 are respectively fixed on the two rotating shafts 14, so that the rotating seat 20 can rotate around the rotating axes of the rotating shafts 14; the head 40 includes an outer end portion defined on the swivel base 20 and an inner end portion opposite to the outer end portion, wherein the inner end portion of the head 40 extends in a direction away from the swivel base 20, an inner bearing 42 and an outer bearing 43 are sleeved outside the head 40, and the hub 91 is mounted to the outside of the head 40 through the inner bearing 42 and the outer bearing 43. The fixed seat 51 is fixedly connected to the outer end part of the spindle head 40, the dial indicator 52 is installed on the fixed seat 51, and the measuring head of the dial indicator 52 is pressed on the outer end face of the hub 91.
When the wheel end displacement amount is detected, the hub 91 is arranged outside the shaft head 40 according to the structure, then the shaft head nut 92 is arranged on the shaft head 40, firstly, according to the state shown in fig. 1, the shaft head 40 is in a vertical state, the outer side end of the shaft head 40 is upward, the hub 91 is positioned at the lowest position capable of moving downward due to the self gravity, and at the moment, the dial indicator 52 is adjusted to be zero; then, the rotary base 20 rotates 180 ° to the state shown in fig. 3, the spindle head 40 is also in the vertical state but the outer end of the spindle head 40 faces downward, the hub 91 is under its own weight and is at the lowest position capable of moving downward, and at this time, the reading on the dial indicator 52 is the play amount of the hub 91 along the axial direction of the spindle head 40.
In the utility model, the shaft head 40 is arranged on the turnable rotating seat 20, and the vertical direction of the shaft head 40 can be changed through the rotation of the rotating seat, so that the hub on the shaft head 40 can move downwards to the lowest position under the action of self gravity at different positions without manually pushing the hub, and the movement amount of the hub can be accurately and quickly detected.
In the preferred embodiment, the present invention has an insert 50 embedded in the outer end of the axle head 40, the insert 50 is fixedly engaged with the axle head 40, and the fixing seat 51 is fixedly connected to the insert 50 by bolts, so that the fixing seat 51 can be detached from the outer end of the axle head 40 after the bolts are unscrewed. Two sides of the fixing seat 51 extend outwards to form a cantilever respectively, a dial indicator 52 is mounted at the outer ends of the two cantilevers respectively, measuring heads on the two dial indicators 52 are pressed on two opposite positions on the outer end face of the hub 91 respectively, and the actual running amount of the hub 91 can be accurately calculated through the readings on the two dial indicators 52 even if the hub is deflected at a small angle.
In the utility model, the frame 10 comprises a base 11, two vertical beams 12 and two installation bases 13, wherein the base 11 is positioned at the bottom of the frame 10, the bottom ends of the two vertical beams 12 are respectively fixed at two sides of the base 11, the vertical beams 12 extend along the height direction, the two installation bases 13 are respectively fixed at the top ends of the two vertical beams 12, and two rotating shafts 14 are respectively pivoted on the two installation bases 13 through bearings. The rotating base 20 includes a supporting plate 21, and two connecting arms 22, the two connecting arms 22 are respectively fixed at two ends of the supporting plate 21 and extend upwards from the end of the supporting plate 21, and the upper ends of the two connecting arms 22 are respectively fixedly connected to the two rotating shafts 14.
The wheel end play detection device of the utility model further comprises a limiting rod 30, one end of the limiting rod 30 is synchronously connected with one of the rotating shafts 14, the other end of the limiting rod 30 forms a limiting end, a limiting seat 16 matched with the limiting end is arranged on the frame 10, specifically, the limiting seat 16 is arranged on the outer side of one of the vertical beams 12, the limiting rod 30 is positioned on the outer side of one of the vertical beams 12, a square shaft 16 is outwards convexly arranged on one of the rotating shafts 14, one end of the limiting rod 30 is provided with a square hole 31, the square shaft 15 is connected in the square hole 31 in a penetrating way, so that the limiting rod 30 is synchronously connected with the rotating shafts 14, when the rotating seat 20 is required to be kept in the state shown in figure 1, one end of the limiting rod 30 provided with the square hole 31 is sleeved on the square shaft 15, the limiting end of the limiting rod 30 is clamped on the limiting seat 16, so that the limiting rod 30 is matched with the limiting seat 16 to limit the rotation of one of the rotating shafts 14, namely, the rotary seat 20 can be kept fixed relative to the frame 10, when the rotary seat 20 needs to be rotated to the state shown in fig. 3, the limiting rod 30 is detached from the square shaft 15, the rotary seat 20 is rotated 180 degrees, the square hole 31 of the limiting rod 30 is sleeved on the square shaft 15 again, and then the limiting end of the limiting rod 30 is clamped on the limiting seat 16, so that the rotary seat 20 can be kept fixed relative to the frame 10 in the state shown in fig. 3, in addition, when the hub 91 and the dial indicator 52 are installed, the rotary seat 20 can be rotated 90 degrees, as shown in fig. 4, the shaft head 40 can be kept in a horizontal state through the matching of the limiting rod 30, the square shaft 15 and the limiting seat 16, and the hub 91 and the dial indicator 52 can be installed conveniently.
In addition, the present invention further includes a weight 60, the weight 60 is mounted on the hub 91, so that the hub 91 can be sufficiently moved downward to the maximum position in the state shown in fig. 1 and 3, thereby further improving the detection accuracy, the weight 60 is configured to be annular, and is detachably fixed on the periphery of the hub 91, so that weights 60 with different weights can be selected according to actual needs, and the annular weight 60 can prevent the hub 91 from deflecting.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.
Claims (8)
1. The wheel end play detection device is characterized by comprising a rack, a rotating seat, a shaft head, a fixed seat and a dial indicator;
two sides of the rack are respectively pivoted with a rotating shaft, the extending directions of the two rotating shafts are consistent with the width direction of the rack, the rotating axes of the two rotating shafts are superposed, and two ends of the rotating seat are respectively fixed on the two rotating shafts;
the shaft head comprises an outer end part and an inner end part opposite to the outer end part, and the inner end part of the shaft head is fixedly connected to the rotating seat; a wheel hub is arranged outside the shaft head through an inner bearing and an outer bearing;
the fixing seat is fixedly connected to the outer end portion of the shaft head, the dial indicator is installed on the fixing seat, and the measuring head of the dial indicator is pressed on the outer end face of the wheel hub.
2. The wheel end play detection device of claim 1, wherein an insert fixedly engaged with the spindle head is embedded in the outer end portion of the spindle head, and the fixing seat is connected to the insert through a bolt.
3. The wheel end play detection device of claim 2, wherein two sides of the fixing base respectively extend outwards to form a cantilever, and a dial indicator is respectively mounted on the two cantilevers.
4. The wheel end play detection device of claim 1, wherein the frame comprises a base, two vertical beams fixed to two sides of the base and extending in a height direction, two mounting seats fixed to tops of the two vertical beams, and two rotating shafts pivotally connected to the two mounting seats.
5. The wheel end play detecting device according to claim 4, wherein the rotary base includes a support plate and two connecting arms fixedly connected to both ends of the support plate and extending upward, respectively, and upper end portions of the two connecting arms are fixed to the two rotary shafts, respectively.
6. The wheel end play detection device according to claim 1, further comprising a limiting rod, one end of the limiting rod is synchronously connected with one of the rotating shafts, the other end of the limiting rod forms a limiting end, and the frame is provided with a limiting seat which is matched with the limiting end to limit the rotating angle of the one of the rotating shafts.
7. The wheel end play detection device of claim 6, wherein a square shaft is disposed on one of the rotating shafts, a square hole is disposed at one end of the limiting rod, and the square shaft is inserted into the square hole.
8. The wheel end play detection device of claim 1, further comprising a weight block, the weight block being annular and removably secured to the periphery of the hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121915959.XU CN215811652U (en) | 2021-08-16 | 2021-08-16 | Wheel end play detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121915959.XU CN215811652U (en) | 2021-08-16 | 2021-08-16 | Wheel end play detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215811652U true CN215811652U (en) | 2022-02-11 |
Family
ID=80131957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121915959.XU Active CN215811652U (en) | 2021-08-16 | 2021-08-16 | Wheel end play detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215811652U (en) |
-
2021
- 2021-08-16 CN CN202121915959.XU patent/CN215811652U/en active Active
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