Device for assembling power takeoff

Abstract

The utility model discloses a device for assembling a power takeoff, which comprises a fixing plate, a support is arranged above the fixing plate, a supporting block is arranged on the support, and the support is connected with a position adjusting mechanism. The device for assembling the power takeoff is high in flexibility and convenient to assemble, and ensures the assembling quality of the power takeoff.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of power take-off assembly, specifically, the utility model relates to a device for power take-off assembly. BACKGROUND

[0002] In the automobile industry, the power take-off assembly connects the intermediate shaft output end of the transmission, and disperses power by taking out the output power of the transmission, but the installation of the power take-off has some problems, not only the installation space is narrow, but also the gap with the engine is too small, which can cause collision during assembly, and the supercharger assembly is above the installation position, which makes it impossible to use hoisting method for assembly.

[0003] Most of the power take-off assemblies of automobile factories are directly assembled by manpower, and the power take-off is clamped and assembled for a long time, which can cause fatigue work of employees, does not conform to the ergonomics, and has installation risks. The power take-off assembly is usually connected with the transmission by spline cooperation, and the spline level must be centered during assembly to ensure the assembly quality, otherwise the power take-off assembly will be damaged due to incorrect assembly posture.

[0004] The invention patent with publication number CN103852258A discloses an engine power take-off test device on June 11, 2014, which comprises an engine, an engine power take-off, a support, a dynamometer, a transmission shaft, an air compressor loading device, an air compressor loading control device, the engine is installed on the support, the air compressor outlet of the engine is connected with the air compressor loading device, the engine power take-off is connected with the transmission shaft through a coupling, the transmission shaft is connected with the dynamometer, and the engine power take-off and the dynamometer are installed on the same axis. The engine power take-off test device cannot solve the above-mentioned technical problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at the shortage of prior art, and provides a device for power take-off assembly, which has high flexibility, is convenient to assemble, and can ensure the assembly quality of the power take-off.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme that

[0007] The device for power take-off assembly comprises a fixed plate, a support is arranged above the fixed plate, a supporting block is arranged on the support, and a position adjusting mechanism is connected to the support.

[0008] The position adjusting mechanism comprises an X-direction slide rail, a Y-direction slide rail and a Z-direction slide rail, a first supporting plate is arranged on the fixed plate, the Z-direction slide rail is fixedly connected to the side of the first supporting plate, the X-direction slide rail is located above the Z-direction slide rail, a second supporting plate is fixedly connected to the bottom of the X-direction slide rail, the second supporting plate is matched with the Z-direction slide rail at one side, a second locking pin is threadedly connected to the second supporting plate, and the end of the second locking pin is pressed against the first supporting plate; a third supporting plate is arranged between the support and the X-direction slide rail, the Y-direction slide rail is fixedly connected to the top of the third supporting plate, and the bottom of the third supporting plate is matched with the X-direction slide rail.

[0009] The support is of an L-shaped structure, the supporting blocks comprise first supporting blocks and second supporting blocks, the first supporting blocks are arranged at the top end of the support, the second supporting blocks are arranged at the bottom of the support, and the second supporting blocks are arranged in pairs.

[0010] The first supporting plate is connected with the fixed plate through a first locking pin, and a positioning pin is arranged on the first supporting plate.

[0011] The X-direction slide rail, the Y-direction slide rail and the Z-direction slide rail are arranged in pairs.

[0012] The support and the second supporting plate are both provided with weight-reducing holes.

[0013] The first supporting plate is of a T-shaped structure, and the second supporting plate is of an L-shaped structure.

[0014] The technical effect of the device for assembling the power take-off device is as follows: multiple slide rails are designed, the supporting blocks can be adjusted in X, Y and Z directions, the three-directional freedom of the power take-off device supported by the supporting blocks can be adjusted to adjust the matching size with the spline of the transmission, the spline is prevented from being damaged during matching, the assembly precision and quality are improved, the problem that the power take-off device cannot be assembled by hoisting due to the small assembly space is solved, manpower is saved, the operation space of personnel is expanded, the labor intensity of personnel is reduced, the device has the advantages of high flexibility, high flexibility, and convenient assembly. BRIEF DESCRIPTION OF DRAWINGS

[0015] The present specification includes the following drawings, and the shown contents are as follows:

[0016] Figure 1 It is a structure schematic view of the device for assembling the power take-off device of the utility model;

[0017] Figure 2 It is a side view of the device for assembling the power take-off device of the utility model;

[0018] Figure 3 It is a bottom view of the device for assembling the power take-off device of the utility model;

[0019] Figure 4 is the structural schematic view of the support of the utility model;

[0020] Figure 5 is the structural schematic view of the first support plate and the second support plate of the utility model;

[0021] Figure 6 is the structural schematic view of the X direction slide rail and the Y direction slide rail of the utility model;

[0022] Marked in the figure: 1, fixed plate; 2, support; 3, first support block; 4, second support block; 5, first support plate; 6, second support plate; 7, third support plate; 8, X direction slide rail; 9, Y direction slide rail; 10, Z direction slide rail; 11, first lock pin; 12, second lock pin; 13, positioning pin; 14, weight reduction hole. DETAILED DESCRIPTION

[0023] The specific embodiments of the utility model are further explained in detail by the description of the embodiments with reference to the drawings, and the purpose is to help the technical personnel in the field to have more complete, accurate and in-depth understanding of the inventive concept and technical scheme of the application, and to help its implementation.

[0024] As Figures 1 to 3 The device for assembling the power takeoff, including fixed plate 1, fixed plate 1 top is equipped with support 2, support 2 is equipped with support block, support 2 is connected with position adjusting mechanism. Fixed plate 1 is used to install on subpackaging tray base plate, it uses 4 installation bolts and is fixed with online body subpackaging tray base plate, fixed plate 1 as the base plate of support 2 and position adjusting mechanism, is fixed on tray body, with tray operation, according to production needs, each slide rail, support plate and support block are installed and can be used. Fixed plate 1 is made of 45# steel, and the structural strength is reliable.

[0025] As Figures 1 to 6As shown, the position adjusting mechanism includes X-direction slide rail 8, Y-direction slide rail 9 and Z-direction slide rail 10, the first support plate 5 is arranged on the fixed plate 1, the Z-direction slide rail 10 is fixedly connected to the side of the first support plate 5, the X-direction slide rail 8 is above the Z-direction slide rail 10, the second support plate 6 is fixedly connected to the bottom of the X-direction slide rail 8, one side of the second support plate 6 is matched with the Z-direction slide rail 10, the second locking pin 12 is threadedly connected to the second support plate 6, and the end of the second locking pin 12 is pressed against the first support plate 5; the bracket 2 is matched with the third support plate 7 between the X-direction slide rail 8, the Y-direction slide rail 9 is fixedly connected to the top of the third support plate 7, and the bottom of the third support plate 7 is matched with the X-direction slide rail 8. The X-direction slide rail 8 and the Y-direction slide rail 9 can adjust the position of the bracket 2 in the horizontal plane, the Z-direction slide rail 10 can adjust the Z-direction height of the bracket 2, the second locking pin 12 is threadedly connected to facilitate the unlocking or locking of the first support plate 5, and the second locking pin 12 can lock the Z-direction height of the first support plate 5 by pressing, and the first support plate 5 can also be provided with a plurality of locking pin holes matched with the second locking pin 12 for locking by the second locking pin 12. Through the cooperation of the above slide rails and support pieces, the three-dimensional movement process of the bracket 2 is realized, the X-direction slide rail 8, the Y-direction slide rail 9 and the Z-direction slide rail 10 respectively adjust the assembly position of the power take-off device through the XYZ three directions of the power take-off device assembly, and the position precision and assembly requirements of the power take-off device are met. The Z-direction size can be controlled by increasing or decreasing the gasket.

[0026] As shown in Figure 1 , the bracket 2 is in L-shaped structure, the support blocks include the first support block 3 and the second support block 4, the first support block 3 is arranged at the top end of the bracket 2, the second support block 4 is arranged at the bottom of the bracket 2 on both sides, and the second support block 4 is arranged in pairs. The three support blocks are used as the contact parts with the power take-off device, form three-point support for the power take-off device, have high stability, are all designed by profiling, prevent the damage to the shell of the power take-off device, can guarantee the assembly posture and position degree of the power take-off device, and guarantee that the position precision tolerance of the power take-off device is controlled within 0.1 mm. The material of the support block is nylon, the friction coefficient of the nylon material is low, the wear between parts can be reduced, the wear resistance is good, and the service life is prolonged. The support block is processed by the numerical control machine tool, the precision can be controlled below 0.05 mm, the overall precision can be controlled below 1 mm, and the assembly feasibility can be completely guaranteed.

[0027] As shown in Figure 5 , the first locking pin 11 is connected between the first support plate 5 and the fixed plate 1, and the positioning pin 13 is arranged on the first support plate 5. A positioning hole is arranged on the fixed plate 1 for locking use of the first locking pin 11, and two positioning pins 13 are further arranged on the fixed plate 1 for positioning the first support plate 5. The two positioning pins 13 are matched with the fixed plate 1 with a matching tolerance of 0.1 mm, guaranteeing the size chain of the first support plate 5. The first locking pin 11 is threadedly connected with the first support plate 5 and the fixed plate 1, and the thread fixing can further guarantee the precision.

[0028] AsFigures 1 to 3 As shown in the drawings, the X-direction slide rail 8, the Y-direction slide rail 9 and the Z-direction slide rail 10 are arranged in pairs. The pair design of the slide rails plays an accurate guiding role in the X, Y and Z direction movement of the support block.

[0029] As shown in the drawings, the bracket 2 and the second support plate 6 are provided with lightening holes 14. The lightening holes 14 further reduce the overall device weight, and the above-mentioned structures are made of aluminum plate, which meets the lightweight design. Figure 4 Figure 5 As shown in the drawings, the first support plate 5 is a T-shaped structure, and the second support plate 6 is an L-shaped structure. The above-mentioned structure provides the first support plate 5 and the second support plate 6 with multiple mounting surfaces, meets the mounting requirements of parts, and is beneficial to improve the collimation of the Z-direction slide rail 10.

[0030] As shown in the drawings, the first support plate 5 is a T-shaped structure, and the second support plate 6 is an L-shaped structure. The above-mentioned structure provides the first support plate 5 and the second support plate 6 with multiple mounting surfaces, meets the mounting requirements of parts, and is beneficial to improve the collimation of the Z-direction slide rail 10. Figure 5

[0031] The power take-off operation method is as follows:

[0032] 1. First, install the fixed plate 1 on the sub-assembly tray base plate, then install the first support block 31 on the fixed plate 1, and cooperate to the right position through the positioning pin 13 and the first lock pin 11.

[0033] 2. Adjust the second support plate 6 along the Z-direction slide rail 10 to the appropriate height, and cooperate to the right position after being locked by the second lock pin 12.

[0034] 3. Slide the third support plate 7 along the X-direction slide rail 8 away from the engine assembly and keep a certain distance, so that there is no interference above the device, and then use the lifting appliance to place the power take-off on the support block.

[0035] 4. Then slide the third support plate 7 along the X-direction slide rail 8 to the appropriate position close to the engine assembly, and then slide the bracket 2 along the Y-direction to make the power take-off spline cooperate with the transmission output shaft to the right position. During the assembly process, the X-direction and Y-direction positions of the power take-off are fine-tuned to ensure the assembly accuracy.

[0036] 5. After the assembly is completed, unlock the second lock pin 12 to make the second support block 4 slide downward, so that the support block is separated from the power take-off assembly, and then it can be taken down.

[0037] The device for power take-off assembly is designed with multiple slide rails, which realizes the X, Y and Z three-direction adjustable of the support block, meets the adjustment of the three-direction freedom degrees of the power take-off after being supported to adjust the fitting size of the spline with the transmission, ensures the horizontal centering assembly of the spline, prevents the spline from being easily damaged during fitting, improves the assembly accuracy and assembly quality, solves the problem that the assembly space is too small to use hoisting for assembly, saves manpower for assembly, expands the operation space of personnel, reduces the labor intensity of personnel, and has the advantages of high flexibility, high flexibility, and convenient assembly.

[0038] ​​The utility model has been described exemplarily above in combination with the drawings. Apparently, the utility model is not limited by the above-mentioned mode in the specific implementation. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model; or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A device for assembling a power take-off (PTO), characterized in that: The system includes a fixed plate (1), a bracket (2) above the fixed plate (1), a support block on the bracket (2), and a position adjustment mechanism connected to the bracket (2). The position adjustment mechanism includes an X-axis slide rail (8), a Y-axis slide rail (9), and a Z-axis slide rail (10). A first support plate (5) is provided on the fixed plate (1). The Z-axis slide rail (10) is fixedly connected to the side of the first support plate (5). The X-axis slide rail (8) is located above the Z-axis slide rail (10). A second support plate (6) is fixedly connected to the bottom of the X-axis slide rail (8). One side of the second support plate (6) cooperates with the Z-axis slide rail (10). A second locking pin (12) is threaded onto the second support plate (6). The ends of the two locking pins (12) press against the first support plate (5); a third support plate (7) is provided between the bracket (2) and the X-direction slide rail (8), the Y-direction slide rail (9) is fixedly connected to the top of the third support plate (7), and the bottom of the third support plate (7) cooperates with the X-direction slide rail (8); the bracket (2) is an L-shaped structure, and the support block includes a first support block (3) and a second support block (4). The first support block (3) is located at the top of the bracket (2), and the second support block (4) is located on both sides of the bottom of the bracket (2). The second support blocks (4) are arranged in pairs; the first support plate (5) is connected to the fixing plate (1) by a first locking pin (11), and a positioning pin (13) is provided on the first support plate (5).

2. The device for assembling a power take-off unit according to claim 1, characterized in that: The X-axis slide rail (8), Y-axis slide rail (9) and Z-axis slide rail (10) are all arranged in pairs.

3. The device for assembling a power take-off unit according to claim 1, characterized in that: The bracket (2) and the second support plate (6) are both provided with weight reduction holes (14).

4. The device for assembling a power take-off unit according to claim 1, characterized in that: The first support plate (5) is a T-shaped structure, and the second support plate (6) is an L-shaped structure.

Images