CN213748864U - Torque angle sensor fixing device for measuring wheel bolt tightness - Google Patents

Abstract

The utility model provides a moment angle sensor fixing device for measuring wheel bolt tightness, which comprises a sensor fixing clamp and a clamp limiting device, wherein the sensor fixing clamp is provided with a mounting hole matched with the outer wall structure of the moment angle sensor, the moment angle sensor is fixed in the mounting hole, the first end of the moment angle sensor is connected with a bolt to be measured through a conversion joint, and the second end of the moment angle sensor is connected with a moment wrench after passing through the mounting hole of the fixing clamp; the sensor fixing clamp is fixed on the wheel through a clamp limiting device. The clamp limiting device comprises a limiting fixing rod, a bolt chuck is arranged at the first end of the limiting fixing rod, and the bolt chuck is clamped on the second bolt; the sensor fixing clamp is fixed on the limiting fixing rod through supporting. Adopt the utility model discloses a fixing device, under less experimental place operating mode, the engineer of not special training also can accomplish the experimental capability test of wheel fastening, and factor of safety is than higher.

Description

Torque angle sensor fixing device for measuring wheel bolt tightness

Technical Field

The utility model belongs to the technical field of wheel bolt fastening nature moment and angular surveying, concretely relates to a moment angle sensor fixing device for wheel bolt fastening nature is measured.

Background

With the rapid development of the automobile industry, wheel fastening tests are related to whether wheel bolts and wheels can stably run in the dynamic motion process of a vehicle, and the wheel fastening tests are an important aspect of the safety of the whole vehicle. The fastening performance of the wheel or the wheel bolt does not reach the standard, so that the automobile is out of control, and the personal safety of passengers is threatened.

The torque and angle of the wheel bolt are generally measured by using a torque angle sensor, a hexagonal sleeve head and torque in a matched mode, and the torque for screwing the bolt and the bolt corner data during screwing are transmitted to a processor through the torque angle sensor. The currently common measurement methods are: the hexagonal sleeve head, the rotation angle sensor and the torque head are connected into a line without an auxiliary clamp. The existing defects are as follows: a certain gap exists between the hexagonal sleeve head and the wheel bolt, and the hexagonal sleeve head, the corner sensor and the torque head are connected to be longer integrally. Therefore, when operation measurement is carried out, the position of the torque head greatly shakes when torsional force is applied, the stability of the measuring tool is difficult to keep only by manpower, and the accuracy is directly influenced by the shaking of the measuring tool; in order to measure the tightening angle of the wheel bolt, the shell of the fixed sensor needs to be kept still, and the torque head during measurement is rotated, so that the relative rotation angle between the sensor rotating shaft (rotor) connected with the torque head and the sensor shell (stator) can be measured, and the rotation angle of the wheel bolt in the measurement process can be measured. The rotation angle cannot be measured without an auxiliary clamp; in order to keep the sensor housing stationary during the measurement process, another person is required to hold the sensor housing with his hands so that the sensor housing is stationary. However, this method requires additional auxiliary personnel, and the human hand is prone to shaking and accuracy is affected.

The field test of the limit working condition of the wheel fastening characteristic is one of the most harsh tests in the field of automobile performance tests in China, and the existing test method has higher requirements on the test field and the driving skills of test engineers and has larger potential safety hazards. Therefore, along with the development of wheel fastening test experiments, a rapid sensor fixing clamp which is good in universality, high in accuracy and capable of saving labor cost is urgently needed to be designed.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a moment angle sensor fixing device for wheel bolt fastening nature is measured to make can be under less experimental place operating mode, the experimental capability test of wheel fastening test can be accomplished to the test engineer who has not passed through special training, and factor of safety is than higher. The utility model aims at realizing through the following technical scheme:

a torque angle sensor fixing device for measuring the tightness of a wheel bolt comprises a sensor fixing clamp and a clamp limiting device, wherein the sensor fixing clamp is provided with a mounting hole matched with the structure of the outer wall of a torque angle sensor, the torque angle sensor is fixed in the mounting hole, the first end of the torque angle sensor is connected with a bolt to be measured through a conversion joint, and the second end of the torque angle sensor passes through the mounting hole of the fixing clamp and then is connected with a torque wrench; the sensor fixing clamp is fixed on the wheel through a clamp limiting device.

Further, the clamp limiting device comprises a limiting fixing rod, a bolt chuck is arranged at the first end of the limiting fixing rod, and the bolt chuck is clamped on the second bolt; the sensor fixing clamp is fixed on the limiting fixing rod through supporting. Here, the second bolt refers to any other bolt on the vehicle wheel for fixing the same wheel together with the bolt to be measured. Here, the bolt chuck preferably adopts a hexagonal chuck adapted to a bolt in wide use, so that the fixing device of the present invention can be more widely used.

Further, the fixing clamp is provided with a limiting hole, the distance between the limiting hole and the mounting hole is suitable for the distance between the bolt to be detected and the second bolt, and the fixing clamp is fixed on the limiting fixing rod through the limiting hole sleeve of the fixing clamp.

Further, the limiting hole is a U-shaped hole penetrating through the second end of the fixing clamp. Through the design in U type hole for the installation and the cooperation of mounting fixture and spacing dead lever are simpler, thereby make mounting fixture can support on spacing dead lever conveniently.

Further, fixing device still includes mounting fixture apron, the first terminal surface that the mounting hole link up mounting fixture forms open structure, the apron hides that the mounting hole that covers mounting fixture is uncovered and is connected with uncovered terminal surface detachably. Through being uncovered form with the mounting hole design, on the one hand can make the sensor place in the mounting hole more conveniently, and on the other hand also makes same mounting hole can be applicable to the sensor of more dimensions to a certain extent, has improved the utility model discloses the suitability of device.

Further, spacing dead lever has to revolve and twists screw rod, spring, chuck sleeve and bolt chuck: the bolt chuck is provided with a sealing plate and a plurality of clamping pieces which are arranged at intervals around the sealing plate in a circumferential direction and extend axially, the clamping pieces surround to form an internal space matched with the appearance structure of the second bolt, and the sealing plate is provided with a first screw hole matched with the thread of the screwing screw; the chuck sleeve is provided with a closed end and an open end, the closed end abuts against a limiting clamping table of the screwing screw 31, the closed end is provided with a through hole, the inner diameter of the through hole is larger than the outer diameter of the screw thread section and smaller than the outer diameter of the screwing section, the spring is sleeved on the screwing screw between the chuck sleeve and the sealing plate of the bolt chuck, and the screw thread section of the screwing screw penetrates through the through hole of the closed end of the chuck sleeve and the spring and then is in threaded connection with the bolt chuck.

When the limiting fixing rod is used for fixing, the screw is screwed and screwed firstly to enable the chuck sleeve to be sleeved into the bolt chuck in depth, then the bolt chuck is aligned with the second bolt to be clamped, after the bolt chuck is sleeved into the second bolt in a certain depth, the screw is screwed and screwed in the direction opposite to the operation, the chuck sleeve is sleeved into the bolt chuck in longer depth until the bolt chuck is tightly clamped on the second bolt, and therefore the limiting fixing rod is fixed on the second bolt. After that, the fixing clamp can be fixed on the wheel by sleeving the limiting hole of the fixing clamp on the limiting fixing rod.

Further, the fixing device further comprises a sensor positioning fine-tuning device, wherein the positioning fine-tuning device is connected to the fixing clamp and is provided with an adjusting mechanism which is abutted to the torque angle sensor.

Furthermore, the adjusting mechanism comprises an adjusting screw and a contact, the fixing clamp is provided with an adjusting hole which is communicated with the mounting hole, the adjusting screw is in threaded connection with the adjusting hole, and the first end of the adjusting screw penetrates through the adjusting hole and is fixedly connected with the contact. Through twisting the adjusting screw, the length that the adjusting screw passes through the adjusting hole is adjusted, and then the contact is pushed to abut against the sensor, so that the position adjustment and the position fixation of the sensor are ensured.

Further, the regulation hole includes first regulation hole and second regulation hole, first regulation hole and second regulation hole set up on the not equidirectional wall of orientation of mounting hole is formed to mounting fixture, preferably, first regulation hole sets up on the upper wall of mounting hole Z axle direction or on the apron, and the second is adjusted the hole and is set up on the lateral wall of mounting hole X axle direction, and here is the Y axle to the direction of sensor, the bolt that awaits measuring and spanner connection centering is X axle, Y axle and Z axle three mutually perpendicular. Through set up adjustment mechanism on the different lateral walls at the mounting hole, can finely tune the sensor position according to actual installation to fix moment angle sensor in the mounting hole steadily, and then effectively guarantee the accuracy nature of bolt fastening nature test.

Furthermore, the first end of the adjusting screw rod is provided with a ball head, and the ball head is clamped in the contact.

The utility model discloses a moment angle sensor fixing device, in practical application, can be through the mounting hole of mounting fixture stable fixed sensor, and the mounting fixture itself can be through the stable fixed on the wheel of anchor clamps stop device, make an operating personnel can also accomplish the relevant operation of bolt fastening nature test under the condition that does not have other personnel to assist like this, effectively promoted work efficiency, reduced the cost of labor; meanwhile, the fixing mode is more stable, the sensor can be stably supported in the mounting hole of the fixing clamp in the testing process without being interfered by manpower, and the measuring accuracy is higher.

Drawings

Fig. 1 is an assembly and usage schematic diagram of the torque angle sensor fixing device of the present invention;

fig. 2 is a schematic view of a sensor fixing clamp according to a preferred embodiment of the present invention;

FIG. 3 is a schematic view of the cover plate structure of the present invention;

fig. 4 is a schematic view of the limiting fixing rod of the present invention;

fig. 5 is a schematic view of the fine adjustment device of the present invention;

fig. 6 is a schematic view of the torque angle sensor of the present invention.

In the figure:

1-fixing a clamp; 22-connecting hole; 41-adjusting screw;

11-mounting holes; 3-limiting fixed rods; 42-a contact;

12-a limit fixing hole; 31-screwing screw; 5-a torque angle sensor;

13-a threaded hole; 32-a resilient gasket; 6-a wrench;

14-a second adjustment aperture; 33-a collet sleeve; 7-vehicle wheels;

2-cover plate; 34-a spring; 8-conversion joint.

21-a groove; 35-bolt clamps;

211-a first adjustment aperture; 4-an adjustment mechanism;

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

It should be noted that in the following description, the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The embodiment provides a torque angle sensor fixing device for measuring the tightness of a wheel bolt, which comprises a sensor fixing clamp 1 and a clamp limiting device, wherein the sensor fixing clamp 1 is provided with a mounting hole 11 matched with the outer wall structure of a torque angle sensor 5, the torque angle sensor 5 is fixed in the mounting hole 11, a first end of the torque angle sensor 5 is connected with a bolt to be measured, and a second end of the torque angle sensor 5 penetrates through the mounting hole 11 of the fixing clamp and then is connected with a torque wrench 6; the sensor fixing clamp 1 is fixed on the wheel 7 through a clamp limiting device.

In the illustrated embodiment, the clamp limiting device comprises a limiting fixing rod 3, a first end of the limiting fixing rod 3 is provided with a bolt chuck 35, and the bolt chuck 35 clamps on a second bolt; the sensor fixing clamp 1 is supported on the limiting fixing rod 3 and is fixed relative to the wheel.

In the preferred embodiment, the limit fixing rod has a screw 31, a tension spring 34, a cartridge sleeve 33 and a bolt cartridge 35: the screwing screw 31 is provided with a screw thread section and a screwing end with the outer diameter dimension larger than that of the screw thread section, the joint of the screwing end and the screw thread section is provided with a limiting clamping table, the bolt chuck 35 is provided with a sealing plate and a plurality of clamping pieces which are arranged at intervals around the sealing plate and extend axially, if a hexagonal chuck is adopted, the number of the clamping pieces is 6, gaps are formed between the adjacent clamping pieces, the plurality of clamping pieces surround to form an inner space matched with the appearance structure of the second bolt, and a certain gap is formed between the adjacent clamping pieces so as to change the section size of the inner surrounding space when the clamping pieces are sleeved by the chuck sleeve 33; the sealing plate is provided with a first screw hole matched with the first-direction thread of the screwing screw; the chuck sleeve is provided with a closed end and an open end, the closed end abuts against a limiting clamping table of the screwing screw 31, the closed end is provided with a through hole, the inner diameter of the through hole is larger than the outer diameter of the screw thread section and smaller than the outer diameter of the screwing section, the spring 34 is sleeved on the screwing screw 31 between the chuck sleeve 33 and the sealing plate of the bolt chuck 35, and the screw thread section of the screwing screw 31 is in threaded connection with the bolt chuck 35 after penetrating through the through hole of the closed end of the chuck sleeve 33 and the spring 34. In the illustrated embodiment, an elastic washer 32 is further provided between the collet sleeve 33 and the limit stop of the screw 31.

In a preferred embodiment, the fixing clamp 1 is provided with a limiting hole 12, the distance between the limiting hole 12 and the mounting hole 11 is adapted to the distance between the bolt to be tested and the second bolt, and the fixing clamp 1 is fixed by sleeving the limiting hole 12 on the limiting fixing rod 3. In the illustrated embodiment, the limiting hole 12 is a U-shaped hole penetrating through the second end of the fixing clamp, and in other embodiments, the limiting hole 12 may also be a round hole, a kidney-shaped hole, a square hole or the like which is not penetrating, as long as the limiting fixing rod 3 can be received to penetrate through and support the fixing clamp 1.

In a preferred embodiment, the fixing device further includes a fixing clamp cover plate 2, that is, the fixing clamp 1 is of a split structure, in the illustrated embodiment, the mounting hole 11 penetrates through the first end face of the fixing clamp 1 to form an open structure, as shown in fig. 2, the cover plate 2 is made of a rectangular or rectangular-like plate, the bottom face of the cover plate 2 can cover the mounting hole opening of the fixing clamp, the two sides of the cover plate 2 are provided with connecting holes 22 penetrating through the thickness of the plate, and the detachable connection of the open end faces of the cover plate 2 and the mounting hole 11 is realized by passing a fixing screw through the two connecting holes 22.

In the illustrated embodiment, the sensor fixing clamp 1 is of a generally Y-shaped structure, a mounting hole 11 is formed between Y-shaped upper branches, threaded holes 13 are formed in the outer end faces of the Y-shaped upper branches, connecting holes 22 penetrating through the thickness of the plate are formed in positions, corresponding to the outer end faces of the upper branches, of two sides of the cover plate 2, and the cover plate 2 and the fixing clamp 1 are detachably and fixedly connected through fixing screws penetrating through the threaded holes 13 of the upper branches and the connecting holes 22 of the cover plate; the lower branch part of the Y shape is provided with a U-shaped hole as a limiting hole 12, and the fixing clamp 1 is fixed by placing the limiting hole 12 on the limiting fixing rod 3. In order to better fix the torque angle sensor 5, the inner side wall of the mounting hole 11 of the illustrated Y-shaped member also has a configuration which is concave-convex complementary to the sensor profile structure, as shown in fig. 2.

In a preferred embodiment, the fixing device further comprises a sensor positioning fine-tuning device, which is connected to the fixing clamp 1 and has an adjusting mechanism 4 abutting against the torque angle sensor.

In a preferred embodiment, the adjusting mechanism 4 includes an adjusting screw 41 and a contact 42, as shown in fig. 5, an adjusting hole penetrating through the mounting hole 11 is provided on the fixing clamp, the adjusting screw 41 is in threaded connection with the adjusting hole, and a first end of the adjusting screw 41 passes through the adjusting hole and is fixedly connected with the contact 42.

In the illustrated embodiment, the adjusting holes include a first adjusting hole 211 and a second adjusting hole, in the figure, the first adjusting hole 211 is provided on the cover plate 2 to realize the restriction of the degree of freedom of the sensor in the Z-axis direction, and the second adjusting hole 14 is provided on the left and right side walls of the mounting hole 11 formed on the fixing jig 1 to realize the restriction of the degree of freedom of the sensor in the X-axis direction. In the illustrated embodiment, in order to facilitate recognition and adaptation of the working space, the cover plate 2 is provided at the middle thereof with a groove 21, and a first regulation hole 211 is provided in the groove 21.

In the preferred embodiment, the first end of the adjustment screw 41 is provided with a ball head that snaps into the contact 42. The adjusting screw 41 is screwed to enable the adjusting screw to generate axial displacement relative to the adjusting hole, the contact is pushed to abut against the torque angle sensor 5, and therefore the torque angle sensor 5 is limited in the corresponding direction.

Finally, it is noted that the above preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above preferred 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 scope of the invention as defined by the appended claims; the dimensions shown in the figures and the embodiments are not related to specific physical objects, and are not used for limiting the protection scope of the present invention, and the physical dimensions can be selected and changed according to actual needs.

Claims (10)

1. The moment angle sensor fixing device for measuring the wheel bolt tightness is characterized by comprising a sensor fixing clamp (1) and a clamp limiting device, wherein the sensor fixing clamp (1) is provided with a mounting hole (11) matched with the outer wall structure of a moment angle sensor (5), the moment angle sensor (5) is fixed in the mounting hole (11), a first end of the moment angle sensor (5) is connected with a bolt to be measured through a conversion joint (8), and a second end of the moment angle sensor (5) penetrates through the mounting hole (11) of the fixing clamp and then is connected with a moment wrench (6); the sensor fixing clamp (1) is fixed on the wheel through a clamp limiting device.

2. The torque angle sensor fixing device for wheel bolt tightness measurement according to claim 1, characterized in that the clamp limiting device comprises a limiting fixing rod (3), a first end of the limiting fixing rod (3) is provided with a bolt chuck (35), and the bolt chuck clamps on a second bolt; the sensor fixing clamp (1) is supported on the limiting fixing rod (3) for fixing.

3. The torque angle sensor fixing device for wheel bolt tightness measurement according to claim 2, characterized in that the fixing clamp (1) is provided with a limiting hole (12), the distance between the limiting hole (12) and the mounting hole (11) is adapted to the distance between the bolt to be measured and the second bolt, and the fixing clamp (1) is fixed by sleeving the limiting hole (12) of the fixing clamp on the limiting fixing rod (3).

4. The torque angle sensor fixing device for wheel bolt tightness measurement according to claim 3, wherein the limiting hole (12) is a U-shaped hole penetrating the second end of the fixing clamp.

5. The torque angle sensor fixing device for wheel bolt tightness measurement according to claim 3, wherein the fixing device further comprises a fixing clamp cover plate (2), the mounting hole (11) penetrates through the first end face of the fixing clamp (1) to form an open structure, and the cover plate (2) covers the mounting hole opening of the fixing clamp and is detachably connected with the open end face.

6. The torque angle sensor fixing device for wheel bolt tightness measurement according to any one of claims 2 to 5, wherein the limit fixing rod has a screw bolt (31), a spring (34), a chuck sleeve (33) and a bolt chuck (35): the bolt chuck (35) is provided with a sealing plate and a plurality of clamping pieces which are arranged at intervals around the sealing plate in a circumferential direction and extend axially, the clamping pieces surround to form an inner space matched with the appearance structure of the second bolt, and the sealing plate is provided with a first screw hole matched with the thread of the screwing screw; the chuck sleeve is provided with a closed end and an open end, the closed end abuts against a limiting clamping table of the screwing screw rod (31), the closed end is provided with a through hole, the inner diameter of the through hole is larger than the outer diameter of the threaded section and smaller than the outer diameter of the screwing section, the spring (34) is sleeved on the screwing screw rod (31) between the chuck sleeve (33) and the sealing plate of the bolt chuck (35), and the threaded section of the screwing screw rod (31) penetrates through the through hole of the closed end of the chuck sleeve (33) and the spring (34) and then is in threaded connection with the bolt chuck (35).

7. The torque angle sensor fixing device for wheel bolt tightness measurement according to any one of claims 1 to 5, characterized in that the fixing device further comprises a sensor positioning fine adjustment device, the positioning fine adjustment device is connected to the fixing clamp (1) and is provided with an adjusting mechanism (4) abutting against the torque angle sensor.

8. The torque angle sensor fixing device for wheel bolt tightness measurement according to claim 7, wherein the adjusting mechanism (4) comprises an adjusting screw (41) and a contact (42), the fixing clamp is provided with an adjusting hole penetrating through the mounting hole (11), the adjusting screw (41) is in threaded connection with the adjusting hole, and a first end of the adjusting screw (41) penetrates through the adjusting hole and is fixedly connected with the contact (42).

9. The torque angle sensor fixing device for wheel bolt tightness measurement according to claim 8, characterized in that the adjustment holes include a first adjustment hole and a second adjustment hole, which are provided on walls of the fixing jig (1) forming the mounting hole (11) facing in different directions.

10. The torque angle sensor fixing device for wheel bolt tightness measurement according to claim 8, characterized in that the first end of the adjusting screw (41) is of a ball head structure, and the ball head is clamped in the contact head (42).

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