Universal tractor front drive axle test tool based on lead screw elevator

Abstract

The utility model provides a universal tractor front drive axle test tool based on a lead screw elevator, which comprises a test base, a lead screw elevating mechanism and a tool connecting plate used for supporting a drive axle, the tool connecting plate is detachably installed on the test base, and the lead screw elevating mechanism is installed in the test base.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle drive axle detection equipment technical field especially relates to a general formula tractor front drive axle test tool based on screw rod elevator. BACKGROUND

[0002] In the performance detection process of tractor front drive axle, because its structure is complex and the dead weight is bigger, the stability and the adjustment precision of test base are higher. The existing test tool often has the problems such as adjustment difficulty, low precision and low work efficiency when adjusting the levelness of drive axle. The existing tractor front drive axle test tool is mostly strong in pertinence, and the applicable range is limited, so it cannot satisfy the test demand of different models and specifications of tractor front drive axle. SUMMARY

[0003] The utility model solves the technical problem that the prior art lacks, and provides a general formula tractor front drive axle test tool based on screw rod elevator.

[0004] The utility model discloses a general formula tractor front drive axle test tool based on screw rod elevator, which comprises a test base, a screw rod lifting mechanism and a tool connecting plate for supporting the drive axle. The tool connecting plate is detachably installed on the test base, and the screw rod lifting mechanism is installed in the test base.

[0005] The utility model discloses a general formula tractor front drive axle test tool based on screw rod elevator, which comprises a test base, a screw rod lifting mechanism and a tool connecting plate for supporting the drive axle. The tool connecting plate is detachably installed on the test base, and the screw rod lifting mechanism is installed in the test base.

[0006] Further, the screw rod lifting mechanism comprises an elevator base and a screw rod elevator, the elevator base is installed in the test base, and the screw rod elevator is installed on the elevator base.

[0007] The utility model discloses a general formula tractor front drive axle test tool based on screw rod elevator, which comprises a test base, a screw rod lifting mechanism and a tool connecting plate for supporting the drive axle. The tool connecting plate is detachably installed on the test base, and the screw rod lifting mechanism is installed in the test base.

[0008] Further, the screw rod lifting mechanism is connected with a fixing block, and a U-shaped bolt is installed on the fixing block.

[0009] The beneficial effect of the further technical scheme is that the U-shaped bolt and the support seat are used to fix the drive axle, the screw jack is infinitely adjustable, the screw jack has high precision, self-locking function, high stability and good leveling effect.

[0010] Further, a pair of wedge-shaped blocks are mounted on the fixing block.

[0011] The beneficial effect of the further technical scheme is that the pair of wedge-shaped blocks are arranged to stably support the drive axle, increase the contact area with the drive axle, and prevent the drive axle from shaking.

[0012] Further, the tool connecting plate is adapted to the drive axle.

[0013] The beneficial effect of the further technical scheme is that the tool connecting plate is adapted to the drive axle. When testing different drive axles, only the tool connecting plate needs to be replaced, without the need to make a test base separately, thereby increasing the versatility of the test tool.

[0014] Further, the test base is an open test base.

[0015] The beneficial effect of the further technical scheme is that the tool connecting plate is used to indirectly connect the drive axle and the test base, and the open structure on both sides of the test base. When testing different drive axles, only the tool connecting plate needs to be replaced, without the need to make a test base separately, thereby increasing the versatility of the test tool. The open base and the screw jack are used to fix and level the drive axle, thereby improving the versatility of the tool.

[0016] Further, the tool connecting plate is located at the top middle of the test base.

[0017] The beneficial effect of the further technical scheme is that the tool connecting plate is used to indirectly connect the drive axle and the test base, and the open structure on both sides of the test base. When testing different drive axles, only the tool connecting plate needs to be replaced, without the need to make a test base separately, thereby increasing the versatility of the test tool. The open base and the screw jack are used to fix and level the drive axle, thereby improving the versatility of the tool.

[0018] Further, the screw jack mechanism is located on one side of the tool connecting plate.

[0019] The beneficial effect of the further technical scheme is that the screw jack mechanism is used for auxiliary support and horizontal adjustment, thereby ensuring the stability and levelness of the drive axle during testing.

[0020] Further, the test base includes a pair of support plates arranged in parallel with each other.

[0021] The beneficial effects of the further technical scheme are that the open base and the screw rod elevator are used to fix and level the drive axle, and the tool versatility is improved.

[0022] Further, the tool connecting plate is detachably mounted on the test base through bolts.

[0023] The beneficial effects of the further technical scheme are that the tool connecting plate is convenient to mount and detach, and the work efficiency is improved.

[0024] The advantages of the additional aspects of the utility model will be partly given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A structure schematic view of the universal tractor front drive axle test tool based on the screw rod elevator is provided for the utility model embodiment.

[0026] Figure 2 A structure schematic view of the screw rod elevator mechanism is provided for the utility model embodiment.

[0027] Figure 3 One of the structure schematic views of the drive axle is provided for the utility model embodiment.

[0028] Figure 4 The second structure schematic view of the drive axle is provided for the utility model embodiment.

[0029] Explanation of reference numerals: 1, test base; 2, screw rod elevator mechanism; 3, drive axle; 4, tool connecting plate; 5, elevator base; 6, screw rod elevator; 7, fixed block; 8, U-shaped bolt; 9, front support frame assembly; 10, rear support frame assembly; 11, main reduction gearbox assembly; 12, left end transmission assembly; 13, right end transmission assembly; 14, steering oil cylinder assembly; 15, adapter disc; 16, universal shaft. DETAILED DESCRIPTION

[0030] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and not used to limit the scope of the utility model.

[0031] As shown in Figures 1 to 4 The utility model embodiment provides a universal tractor front drive axle test tool based on a screw rod elevator, which comprises a test base 1, a screw rod elevator mechanism 2 and a tool connecting plate 4 for supporting a drive axle 3, the tool connecting plate 4 is detachably mounted on the test base 1, and the screw rod elevator mechanism 2 is mounted in the test base 1.

[0032] The utility model discloses the beneficial effect of technical scheme is: utilize test base to carry out main support, utilize screw rod elevating system to carry out auxiliary support and horizontal adjustment. Guarantee the stability and level of drive axle test. Have good compatibility, can adapt to different model, specification tractor front drive axle's test test requirement, can accurately, high -efficiently realize tractor front drive axle leveling. Utilize frock connecting plate to carry out the indirect connection of drive axle and test base, only need to replace frock connecting plate when carrying out test to different drive axle, need not make test base additionally, increase the versatility of test frock. Screw rod elevating system stepless adjustable, and screw rod elevating system precision is high, possesses self -locking function, and stability is high, and leveling effect is good.

[0033] The utility model provides a general formula tractor front drive axle test frock based on screw rod elevator, and this frock has good compatibility, can adapt to different model, specification tractor front drive axle's test test requirement, can accurately, high -efficiently realize tractor front drive axle leveling. Mainly by bearing base and screw rod elevating system composition.

[0034] As Figures 1 to 4 Further, the screw rod elevating system 2 comprises an elevator base 5 and a screw rod elevator 6, the elevator base 5 is installed in the test base 1, and the screw rod elevator 6 is installed on the elevator base 5.

[0035] The beneficial effect of the above further technical scheme is that the screw rod elevator is stepless adjustable, has high precision, self-locking function, high stability and good leveling effect.

[0036] As Figures 1 to 4 Further, the screw rod elevating system 6 is connected with a fixing block 7, and a U-shaped bolt 8 is installed on the fixing block 7.

[0037] The beneficial effect of the above further technical scheme is that the U-shaped bolt and the support seat are used to fix the drive axle, the screw rod elevator is stepless adjustable, has high precision, self-locking function, high stability and good leveling effect.

[0038] As Figures 1 to 4 Further, a pair of wedge-shaped blocks are installed on the fixing block 7.

[0039] The beneficial effect of the above further technical scheme is that the pair of wedge-shaped blocks are arranged to stably support the drive axle, increase the contact area with the drive axle and prevent the drive axle from shaking.

[0040] As Figures 1 to 4 Further, the frock connecting plate 4 is adapted to the drive axle 3.

[0041] The beneficial effect of the further technical scheme is that the tool connecting plate suitable for the drive axle can be selected conveniently.

[0042] As shown in Figures 1 to 4 , further, the test base 1 is an open test base.

[0043] The beneficial effect of the further technical scheme is that the indirect connection of the drive axle and the test base is realized by using the tool connecting plate, and the open structure of the test base on both sides, so that when the test is performed on different drive axles, only the tool connecting plate needs to be replaced, without the need to make a test base additionally, thereby increasing the universality of the test tool.

[0044] As shown in Figures 1 to 4 , further, the tool connecting plate 4 is located at the middle of the top end of the test base 1.

[0045] The beneficial effect of the further technical scheme is that the main support is realized by using the tool connecting plate, thereby improving the stability and reliability of the universal tractor front drive axle test tool based on the lead screw lifting machine.

[0046] As shown in Figures 1 to 4 , further, the lead screw lifting mechanism 2 is located on one side of the tool connecting plate 4.

[0047] The beneficial effect of the further technical scheme is that the auxiliary support and horizontal adjustment are realized by using the lead screw lifting mechanism, thereby ensuring the stability and level of the drive axle during the test.

[0048] As shown in Figures 1 to 4 , further, the test base 1 includes a pair of support plates, and the pair of support plates are arranged in parallel to each other.

[0049] The beneficial effect of the further technical scheme is that the fixation and leveling of the drive axle are realized by using the open base and the lead screw lifting machine, thereby improving the universality of the tool.

[0050] As shown in Figures 1 to 4 , further, the tool connecting plate 4 is detachably installed on the test base 1 by using bolts.

[0051] The beneficial effect of the further technical scheme is that the installation and dismounting of the tool connecting plate are facilitated, thereby improving the work efficiency.

[0052] The tractor drive axle needs to be positioned and leveled during testing, and during testing of the drive axle, the front and rear support frames (front support frame assembly 9 and rear support frame assembly 10) are rotated 180° downward and connected with the load-bearing base to provide positioning and support, and support is added at both ends of the main reduction gearbox assembly 11 to position and ensure that the drive axle 3 is horizontal.

[0053] The drive axle 3 can be a tractor front drive axle.

[0054] The front support frame assembly 9, the rear support frame assembly 10, the left end transmission assembly 12, and the right end transmission assembly 13 are connected with the main reduction gearbox assembly 11, and the steering oil cylinder assembly 14 is installed on the main reduction gearbox assembly 11.

[0055] The left end transmission assembly 12 and the right end transmission assembly 13 each include a transfer disc 15 and a universal shaft 16.

[0056] The drive axle test fixture (universal tractor front drive axle test fixture based on a screw rod elevator) uses a load-bearing base for main support, a screw rod elevator mechanism for auxiliary support and horizontal adjustment, and a wheel edge positioning mechanism for wheel edge positioning to ensure stability and levelness during drive axle testing.

[0057] The indirect connection of the drive axle and the test base using the fixture connecting plate, combined with the open structure on both sides of the test base, allows for testing of different drive axles by simply replacing the fixture connecting plate, without the need to manufacture a separate test base, thereby increasing the versatility of the test fixture (universal tractor front drive axle test fixture based on a screw rod elevator).

[0058] In the screw rod elevator mechanism, the drive axle is fixed using a U-shaped bolt and a support seat, the screw rod elevator is infinitely adjustable, has high precision, self-locking function, high stability, and good leveling effect.

[0059] The open base (test base) and the screw rod elevator are used to fix and level the drive axle, thereby improving the versatility of the fixture.

[0060] Compared with existing structures, the present application has the following advantages:

[0061] 1. High-precision leveling of the drive axle can be achieved.

[0062] 2. The test fixture has high versatility.

[0063] 3. The structure is reliable, the connection is stable, and the testing process is smooth.

[0064] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A universal tractor front drive axle test fixture based on a lead screw lift, characterized by, The utility model relates to a test base, screw rod lifting mechanism and tool connecting plate for supporting drive axle, the tool connecting plate is detachably installed on the test base, and the screw rod lifting mechanism is installed in the test base. The screw rod lifting mechanism comprises a lifting machine base and a screw rod lifting machine, the lifting machine base is installed in the test base, and the screw rod lifting machine is installed on the lifting machine base.

2. The universal tractor front drive axle test fixture based on lead screw lifters of claim 1, wherein, The screw rod lifting machine is connected with a fixing block, and a U-shaped bolt is installed on the fixing block.

3. The universal tractor front drive axle test fixture based on a lead screw elevator of claim 2, wherein, A pair of wedge blocks are installed on the fixing block.

4. The universal tractor front drive axle test fixture based on lead screw lifters of claim 3, wherein, The tool connecting plate is matched with the drive axle.

5. The universal tractor front drive axle test fixture based on lead screw lifters of claim 1, wherein, The test base is an open test base.

6. A universal tractor front drive axle test fixture based on a lead screw elevator as set forth in claim 1, wherein, The tool connecting plate is located in the middle of the top end of the test base.

7. The universal tractor front drive axle test fixture based on lead screw lifters of claim 1, wherein, The screw rod lifting mechanism is located on one side of the tool connecting plate.

8. The universal tractor front drive axle test fixture based on lead screw lifters of claim 1, wherein, The test base comprises a pair of support plates, and the pair of support plates are arranged in parallel.

9. The universal tractor front drive axle test fixture based on lead screw lifters of claim 1, wherein, The tool connecting plate is detachably installed on the test base through bolts.

10. The universal tractor front drive axle test fixture based on lead screw lifters of claim 1, wherein, ​

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