CN210571107U - Fixing device for torque testing module of transmission shaft - Google Patents

Abstract

The utility model discloses a transmission shaft moment of torsion test module fixing device, transmission shaft moment of torsion test module fixing device includes: the fixing device body, the fixing device body has transmission shaft cooperation groove, the fixing device body includes the fixed part of two relative locks, and every fixed part includes: fixation clamp and test module mounting bracket, the fixation clamp has the arc wall structure, the arc wall structure constitutes the partly of transmission shaft cooperation groove, the test module mounting bracket has test module and holds the chamber. According to the utility model discloses a transmission shaft moment of torsion test module fixing device can effectively solve the fixed problem of transmission shaft test module (collection and power module), has improved efficiency of software testing, avoids because of the repetition test that the circuit break leads to, the continuity of assurance test.

Description

Fixing device for torque testing module of transmission shaft

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to a transmission shaft torque test module fixing device is related to.

Background

The torque of an automobile transmission shaft is an important parameter for researching a power transmission system of an automobile chassis, and meanwhile, torque measurement under different working conditions is also a necessary condition for reasonably matching the drivability of a clutch. In order to collect the dynamic torque of the transmission shaft, the test is carried out through a half-shaft torque test system.

In the collection process, a collection module and a power supply module need to be fixed on a transmission shaft, and a method of winding and fixing an adhesive tape is adopted at the present stage. In the actual test process, because the rotating speed of the transmission shaft is higher and the heat radiation of the cabin to the equipment is added, the fixing effect of the adhesive tape is poor, the acquisition module and the power module can generate relative displacement with the transmission shaft, so that a lead connected with the test strain gauge is broken, the test is stopped, and the test strain gauge needs to be installed again, thereby reducing the test efficiency and ensuring the consistency of the front test and the back test.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a transmission shaft torque testing module fixing device, which can effectively solve the problem of fixing the testing module on the transmission shaft.

According to the utility model discloses transmission shaft moment of torsion test module fixing device, include: the fixing device body, the fixing device body has transmission shaft cooperation groove, the fixing device body includes the fixed part of two relative locks, and every fixed part includes: fixation clamp and test module mounting bracket, the fixation clamp has the arc wall structure, the arc wall structure constitutes the partly of transmission shaft cooperation groove, the test module mounting bracket has test module and holds the chamber.

According to the utility model discloses a transmission shaft moment of torsion test module fixing device utilizes fixation clamp and test module mounting bracket on the fixing device body, has solved the fixed not firm problem that leads to of tradition adoption adhesive tape, has realized the dynamic balance problem of testing arrangement and equipment, has effectively improved efficiency of software testing, avoids the repetitive duty because of circuit open circuit leads to, guarantees experimental continuity, and the device dismouting can relapse, has reduced experimental consumptive material consumption.

According to the utility model discloses a transmission shaft moment of torsion test module fixing device of embodiment, the fixed part includes: first fixed part and second fixed part, first fixed part includes: first fixation clamp and first test module mounting bracket, the second fixed part includes: second fixation clamp and second test module mounting bracket, first fixation clamp has first arc wall, the second fixation clamp has the second arc wall, first arc wall with the relative lock of second arc wall constitutes the transmission shaft cooperation groove, first test module mounting bracket with second test module mounting bracket symmetrical arrangement is in the both sides of transmission shaft cooperation groove.

Furthermore, the radial two ends of the first arc-shaped groove are provided with first fixed flanges, the radial two ends of the second arc-shaped groove are provided with second fixed flanges, and the first fixed flanges and the second fixed flanges are fixed through fasteners.

Optionally, a distance between the first fixed flange and the second fixed flange is adjustable.

Optionally, each of the first and second test module mounts is configured to: a box-like structure open to one side, the interior of the box-like structure forming the test module receiving cavity.

Furthermore, the open end of box-like structure is formed with the multiunit backstop stopper, and every group two backstop stoppers in the backstop stopper form respectively on two relative lateral walls of open end, be provided with the spacing bolt on the backstop stopper and perforate, spacing bolt is suitable for to pass spacing bolt perforation on two backstop stoppers, in order to right test module that test module holds the intracavity carries out the backstop.

Optionally, the stop stoppers are two groups, and the distance between the two groups of stop stoppers is substantially one third of the length of the opening.

Optionally, an end surface of the fixing clip, which is far away from the arc-shaped groove structure, is welded and fixed to one of the side walls of the test module mounting frame.

optionally, the central angle α corresponding to the first arc-shaped groove and the central angle β corresponding to the second arc-shaped groove satisfy that α is greater than or equal to 90 degrees and less than or equal to 180 degrees, and β is greater than or equal to 90 degrees and less than or equal to 180 degrees.

optionally, a central angle α corresponding to the first arc-shaped groove and a central angle β corresponding to the second arc-shaped groove are both 180 °.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a transmission shaft torque testing module fixing device according to an embodiment of the present invention;

fig. 2 is a front view of a transmission shaft torque testing module fixing device according to an embodiment of the present invention.

Reference numerals:

transmission shaft torque test module fixing device 100, first fixed part 1, first fixation clamp 11, first arc wall 111, first fixed turn-ups 112, first test module mounting bracket 12, second fixed part 2, second fixation clamp 21, second arc wall 211, the fixed turn-ups 212 of second, second test module mounting bracket 22, fastener 3, stop bolt 4, transmission shaft cooperation groove 10, test module holds chamber 20, opening 30, backstop stopper 40.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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.

A propeller shaft torque testing module securing apparatus 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 2. As shown in fig. 1-2, a transmission shaft torque testing module fixing device 100 according to an embodiment of the present invention includes: fixing device 100 body, fixing device 100 body have transmission shaft cooperation groove 10, and transmission shaft cooperation groove 10 can overlap and establish on the outer peripheral face of transmission shaft (not shown in the figure) to make test module fix on the transmission shaft, further, fixing device 100 body includes the fixed part of two relative locks, and every fixed part includes: fixation clamp and test module mounting bracket, fixation clamp have the arc wall structure, and the arc wall structure constitutes a part of transmission shaft cooperation groove 10, and test module mounting bracket has test module and holds chamber 20 for hold test module like collection module or power module etc..

According to the utility model discloses transmission shaft moment of torsion test module fixing device 100 utilizes fixation clamp and test module mounting bracket on the fixing device 100 body, has solved the fixed not firm problem that leads to of tradition adoption adhesive tape, has realized the dynamic balance problem of testing arrangement and equipment, has effectively improved efficiency of software testing, avoids the repetitive duty who leads to because of circuit break, the continuity of assurance test, and the device dismouting can relapse, transmission shaft moment of torsion test module fixing device 100's utilization ratio has been improved.

Further, as shown in fig. 1-2, the fixing part may include: the first fixing part 1 and the second fixing part 2, specifically, the first fixing part 1 may include: the first fixing clip 11 and the first test module mounting bracket 12, similarly, the second fixing portion 2 may include: second fixation clamp 21 and second test module mounting bracket 22, first fixation clamp 11 has first arc wall 111, second fixation clamp 21 has second arc wall 211, the relative lock of first arc wall 111 and second arc wall 211 constitutes transmission shaft cooperation groove 10, thus, but utilize relative first fixed part 1 and the second fixed part 2 of dismantling to install test module fixed, can make test module at the epaxial fixed convenience of transmission, the dismouting and reuse repeatedly of transmission shaft torque test module fixing device 100 have been realized.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

Optionally, the first test module mounting bracket 12 and the second test module mounting bracket 22 are symmetrically arranged at two sides of the transmission shaft matching groove 10, as shown in fig. 2, the first test module mounting bracket 12 and the second test module mounting bracket 22 are symmetrically distributed about a vertical center line of the transmission shaft matching groove 10, and meanwhile, each test module mounting bracket is symmetrical about a horizontal center line of the transmission shaft matching groove 10, so that dynamic balance of the whole test equipment in the operation process can be ensured.

Further, as shown in fig. 1 and fig. 2, the radial two ends of the first arc-shaped groove 111 are provided with the first fixed flanges 112, the radial two ends of the second arc-shaped groove 211 are provided with the second fixed flanges 212, the first fixed flanges 112 and the second fixed flanges 212 can be fixed by fasteners 3 (such as bolts), in this way, the test module can be fixed on the transmission shaft by the fasteners 3, and the fasteners 3 can ensure that the test module and the transmission shaft do not have relative displacement in the process of working after being tightened, and meanwhile, the connection strength of the first fixing portion 1 and the second fixing portion 2 can be effectively improved by the fixed flanges (such as the first fixed flanges 112 and the second fixed flanges 212).

Optionally, the distance between the first fixing flange 112 and the second fixing flange 212 is adjustable, so that the first fixing portion 1 and the second fixing portion 2 can meet the requirements of transmission shafts with different radial sizes, and the testing module can be installed and fixed on the transmission shafts with different sizes, thereby improving the universality of the transmission shaft torque testing module fixing device 100.

Further, as shown in fig. 1-2, each of the first test module mount 12 and the second test module mount 22 is configured to: the opening 30 is to the open box-like structure in one side, and the inside of box-like structure forms test module accommodation cavity 20 to for test module provides storage space, and the wire that connects on the test module (like collection module and power module) can stretch out from this opening 30, thereby is connected to attached on the test foil gage of transmission shaft outer peripheral face.

Further, the open end of box-like structure is formed with multiunit backstop stopper 40, two backstop stoppers 40 in every backstop stopper 40 of group form respectively on two relative lateral walls of open end, and be provided with the spacing bolt perforation on the backstop stopper 40, spacing bolt 4 is suitable for passing the spacing bolt perforation on two backstop stoppers 40, hold the test module in the chamber 20 to the test module and carry out the backstop, like this, test module in the test module mounting bracket rotates the in-process along with the transmission shaft, test module can not hold the intracavity 20 and throw away from the test module because of centrifugal force, thereby guarantee transmission shaft moment of torsion test module fixing device 100's operational reliability.

In the description of the present invention, "a plurality" means two or more.

Specifically, in an embodiment of the present invention, as shown in fig. 1 and fig. 2, the two sets of stopper stoppers 40 are provided, and the distance between the two sets of stopper stoppers 40 is substantially one third of the length dimension of the opening 30, so as to ensure that the test module in the test module accommodating cavity 20 cannot be separated from any gap, thereby further ensuring the continuous operation of the test.

Optionally, the end surface of the fixing clip far away from the arc-shaped groove structure may be configured as a plane, and the plane is suitable for being welded and fixed with one of the side walls of the test module mounting rack, so that the fixing clip and the test module mounting rack are firmly connected, and the test module mounting rack is not easy to loosen or fall off due to rotation of the transmission shaft.

optionally, according to an embodiment of the present invention, the central angle α corresponding to the first arc-shaped groove 111 and the central angle β corresponding to the second arc-shaped groove 211 satisfy that α is greater than or equal to 90 ° and less than or equal to 180 °, that is, β is greater than or equal to 90 ° and less than or equal to 180 °, that is, the first arc-shaped groove 111 is between the quarter-groove and the half-groove, and the second arc-shaped groove 211 is between the quarter-groove and the half-groove, so that the first arc-shaped groove 111 and the second arc-shaped groove 211 can be wrapped and fixed on the transmission shaft, which is beneficial to reduce the mass of the first fixing clip 11 and the second fixing clip 21.

in an optional embodiment of the present invention, the central angle α corresponding to the first arc-shaped groove 111 and the central angle β corresponding to the second arc-shaped groove 211 are both 180 °, in other words, the first arc-shaped groove 111 and the second arc-shaped groove 211 are both configured as half grooves, that is, the first arc-shaped groove 111 and the second arc-shaped groove 211 are completely circular grooves after being fastened, so as to completely coat the outer circumferential surface of the transmission shaft, and thus, the mounting of the test module on the transmission shaft is stable.

To sum up, according to the utility model discloses transmission shaft moment of torsion test module fixing device 100 utilizes fixation clamp and test module mounting bracket on the fixing device 100 body, has solved the fixed not firm problem that leads to of tradition adoption adhesive tape, has realized the dynamic balance problem of testing arrangement and equipment, has effectively improved efficiency of software testing, avoids the repetition test that leads to because of the circuit break, guarantees experimental continuity, and the device dismouting can relapse, has improved transmission shaft moment of torsion test module fixing device 100's utilization ratio.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A kind of drive shaft torque test module fixing device, comprising:

the fixing device body, the fixing device body has transmission shaft cooperation groove, the fixing device body includes the fixed part of two relative locks, and every fixed part includes: fixation clamp and test module mounting bracket, the fixation clamp has the arc wall structure, the arc wall structure constitutes the partly of transmission shaft cooperation groove, the test module mounting bracket has test module and holds the chamber.

2. The propeller shaft torque testing module securing apparatus of claim 1, wherein the securing portion comprises: first fixed part and second fixed part, first fixed part includes: first fixation clamp and first test module mounting bracket, the second fixed part includes: second fixation clamp and second test module mounting bracket, first fixation clamp has first arc wall, the second fixation clamp has the second arc wall, first arc wall with the relative lock of second arc wall constitutes the transmission shaft cooperation groove, first test module mounting bracket with second test module mounting bracket symmetrical arrangement is in the both sides of transmission shaft cooperation groove.

3. The transmission shaft torque testing module fixing device according to claim 2, wherein first fixing flanges are arranged at two radial ends of the first arc-shaped groove, second fixing flanges are arranged at two radial ends of the second arc-shaped groove, and the first fixing flanges and the second fixing flanges are fixed through fasteners.

4. The transmission shaft torque testing module fixing device of claim 3, wherein a distance between the first fixing flange and the second fixing flange is adjustable.

5. The propeller shaft torque testing module securing apparatus of claim 2, wherein each of the first and second testing module mounts is configured to: a box-like structure open to one side, the interior of the box-like structure forming the test module receiving cavity.

6. The transmission shaft torque testing module fixing device according to claim 5, wherein a plurality of sets of stopping limiting blocks are formed at the opening end of the box-shaped structure, two stopping limiting blocks in each set of stopping limiting blocks are respectively formed on two opposite side walls of the opening end, limiting bolt through holes are formed in the stopping limiting blocks, and limiting bolts are suitable for penetrating the limiting bolt through holes in the two stopping limiting blocks so as to stop the testing module in the testing module accommodating cavity.

7. The transmission shaft torque testing module fixing device according to claim 6, wherein the stopping limit blocks are two groups, and the distance between the two groups of stopping limit blocks is substantially one third of the length direction dimension of the opening.

8. The propeller shaft torque testing module securing apparatus of claim 2, wherein an end surface of the retaining clip distal from the arcuate slot structure is welded to one of the side walls of the testing module mounting bracket.

9. the propeller shaft torque testing module securing apparatus according to claim 2, wherein a central angle α corresponding to the first arc-shaped slot and a central angle β corresponding to the second arc-shaped slot satisfy α ≦ 90 ° and ≦ 180 °, β ≦ 90 ° and ≦ 180 °.

10. the propeller shaft torque testing module securing apparatus of claim 9, wherein the first arcuate slot corresponds to a central angle α and the second arcuate slot corresponds to a central angle β of 180 °.

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