PTURDU main shell positioning device

Abstract

The utility model relates to the technical field of shell positioning, in particular to a PTUamp. The RDU main shell positioning device comprises a pressing block. A main shell is arranged at the bottom of the pressing block; a shell positioning block is arranged on one side, close to the main shell, of the pressing block; a fixing block is arranged on the pressing block; the shell positioning block is propped against the main shell; an equipment wall surface is arranged on one side of the main shell; the fixed block is arranged on the equipment wall surface; according to the utility model, a pressing block is fixedly connected to a sliding block on an equipment wall surface; the device can move in the vertical direction on the equipment wall surface along with the sliding block; the main shell is placed below the pressing block, the pressing block is pressed downwards, the shell positioning block is inserted into the annular limiting flange, and therefore the limiting clamping block is clamped in the limiting groove, and positioning of the main shell is achieved; and after the main shell is positioned, the subsequent bearing press-fitting operation is continued, so that the assembly efficiency is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of housing positioning technology, specifically, to a PTU&RDU main housing positioning device. Background Technology

[0002] During the assembly of PTU (Power Transfer Unit, transverse front-wheel drive transfer case) & RDU (Rear Drive Unit, rear main reduction gear assembly), bearings need to be press-fitted onto the main housing of the PTU & RDU. The equipment for pressing bearings has a fixed pressing position. The main housing of the PTU & RDU is placed on a pallet and moved under the pressing equipment. The bearings are pressed-fitted under the pressing equipment. In order to achieve accurate pressing of the bearings, the main housing of the PTU & RDU needs to be positioned. However, there are no auxiliary positioning devices such as locating pin holes, so it is impossible to position the main housing of the PTU & RDU relative to the pressing equipment.

[0003] The applicant discovered through a search that Chinese patent document application number 201210115463.3, published on October 30, 2013, discloses a housing positioning structure and an air conditioning device having the housing positioning structure. The housing positioning structure includes a top cover and a first side plate. The top cover includes a horizontal plate and a first folded plate folded out from the horizontal plate. A mating body is provided on the first folded plate, and a protrusion is provided on the first side plate. The protrusion and the mating body cooperate to fix the top cover. The above-mentioned housing positioning structure uses the mutual cooperation between the protrusion on the first side plate and the mating body on the first folded plate to fix the entire housing. However, this device also cannot solve the above-mentioned technical problem.

[0004] Therefore, in order to improve or solve at least one of the above problems, it is necessary to provide a PTU&RDU main housing positioning device that can realize the positioning of the PTU&RDU main housing. Utility Model Content

[0005] The purpose of this invention is to provide a PTU&RDU main housing positioning device that can achieve the positioning of the PTU&RDU main housing.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a PTU&RDU main housing positioning device, including a pressure block; a main housing is provided at the bottom of the pressure block; a housing positioning block is provided on the side of the pressure block near the main housing; a fixing block is provided on the pressure block; the housing positioning block abuts against the main housing; an equipment wall is provided on one side of the main housing; and the fixing block is provided on the equipment wall.

[0007] A pressing block is provided on one side of the pressing block; a through hole is provided on the pressing block; a housing positioning block is provided on the pressing block, and the housing positioning block is arranged along the edge of the through hole.

[0008] The pressing block is provided with a relief groove; the relief groove is located on the side of the housing positioning block away from the through hole.

[0009] The main housing is provided with a limiting flange; the pressing block abuts against the main housing; the housing positioning block is disposed in the limiting flange; the limiting flange is disposed in the relief groove.

[0010] The limiting flange is provided with a limiting block; the housing positioning block is provided with a limiting groove; the limiting block is located in the limiting groove.

[0011] The fixing block is located at the end of the pressure block; the fixing block extends to both sides of the pressure block; the fixing block is provided with multiple screw holes.

[0012] The device wall is provided with guide rails; the guide rails are provided with sliders; there are connecting holes between adjacent guide rails; a cylinder is provided on the side of the device wall away from the guide rails; the cylinder includes a piston rod; a connecting block is provided on the slider; the connecting block is disposed in the connecting hole; the connecting block is connected to the piston rod.

[0013] A first screw is connected to the screw hole, and the first screw is connected to the slider.

[0014] The pressure block and the fixing block are an integral structure; the pressure block is provided with a mounting hole; a second screw is connected in the mounting hole and the second screw is connected to the pressure block.

[0015] The beneficial effects of this utility model are as follows:

[0016] The pressure block of this invention is fixedly connected to the slider on the wall of the equipment, enabling the device to move vertically on the wall of the equipment along with the slider. The main housing is placed below the pressure block, and the pressure block presses down, inserting the housing positioning block into the annular limiting flange, thereby locking the limiting block in the limiting groove and realizing the positioning of the main housing. After the main housing is positioned, the subsequent bearing pressing operation can continue, greatly improving the assembly efficiency. Attached Figure Description

[0017] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, wherein:

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the limiting flange of this utility model.

[0020] Figure 3 This is a schematic diagram of the slider of this utility model.

[0021] Figure 4 This is a schematic diagram of the cylinder of this utility model.

[0022] The markings in the above figures are all:

[0023] The diagram is marked as follows:

[0024] 1. Pressing blocks,

[0025] 2. Main housing, 201. Limiting flange, 202. Limiting block, 203. Limiting groove.

[0026] 3. Housing positioning block,

[0027] 4. Fixing block, 401, screw holes,

[0028] 5. Equipment wall surface; 501. Guide rail; 502. Slider; 503. Connecting hole; 504. Cylinder; 505. Piston rod; 506. Connecting block.

[0029] 6. Pressing block, 601. Through hole, 602. Relief groove,

[0030] 7. Mounting holes. Detailed Implementation

[0031] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, in order to help those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of this utility model, and to facilitate its implementation.

[0032] Figure 1-4 The PTU&RDU main housing positioning device shown includes a pressure block 1; a main housing 2 is provided at the bottom of the pressure block 1; a housing positioning block 3 is provided on the side of the pressure block 1 near the main housing 2; a fixing block 4 is provided on the pressure block 1; the housing positioning block 3 abuts against the main housing 2; an equipment wall 5 is provided on one side of the main housing 2; and the fixing block 4 is provided on the equipment wall 5.

[0033] This utility model discloses a PTU&RDU main housing positioning device, which is a transverse front wheel drive transfer case and rear main reducer assembly main housing positioning device. The pressure block 1 is set on the equipment wall 5 and can move vertically along the equipment wall 5. The main housing 2 is placed under the pressure block 1, and the pressure block 1 presses down, thereby pressing and positioning the main housing 2 by the housing positioning block 3. After the main housing 2 is positioned, the subsequent bearing pressing operation continues, which greatly improves the assembly efficiency.

[0034] A pressing block 6 is provided on one side of the pressing block 1; a through hole 601 is provided on the pressing block 6; a housing positioning block 3 is provided on the pressing block 6, and the housing positioning block 3 is provided along the edge of the through hole 601.

[0035] The pressure block 1 is a square plate; the pressure block 1 has a circular through hole; the pressing block 6 is a square plate; the pressing block 6 has a second screw connected to each of its four corners, which is used to stably connect it to the pressure block 1; the through hole 601 is a circular through hole; the housing positioning block 3 is a ring structure with a notch; the housing positioning block 3 and the pressing block 6 are an integral structure; the housing positioning block 3 has the same diameter as the through hole 601, and the housing positioning block 3 is set along the through hole 601.

[0036] The pressing block 6 is provided with a relief groove 602; the relief groove 602 is located on the side of the housing positioning block 3 away from the through hole 601.

[0037] The relief groove 602 is located on the side of the pressing block 6 near the main housing 2; the housing positioning block 3 extends out from the relief groove 602.

[0038] The main housing 2 is provided with a limiting flange 201; the pressing block 6 is pressed against the main housing 2; the housing positioning block 3 is provided in the limiting flange 201; the limiting flange 201 is provided in the relief groove 602.

[0039] The inner side of the main housing 2 is provided with a limiting flange 201; the limiting flange 201 is a ring structure; the diameter of the housing positioning block 3 is smaller than that of the limiting flange 201, the housing positioning block 3 is sleeved in the limiting flange 201, and the limiting flange 201 is inserted into the relief groove 602.

[0040] The limiting flange 201 is provided with a limiting block 202; the housing positioning block 3 is provided with a limiting groove 203; the limiting block 202 is located in the limiting groove 203.

[0041] The limiting block 202 has a cut surface and a length of 0.5cm. The limiting block 202 is located inside the limiting flange 201 and is an integral structure with the limiting flange 201. The main housing 2 is placed below the device and manually aligned. The pressing block 1 provides stable pressure to the pressing block 6, which presses against the main housing 2. At this time, the housing positioning block 3 is sleeved in the limiting flange 201, and the limiting flange 201 is inserted into the relief groove 602. The limiting block 202 is engaged in the limiting groove 203, thus completing the positioning operation of the main housing 2.

[0042] The fixing block 4 is located at the end of the pressure block 1; the fixing block 4 extends to both sides of the pressure block 1; the fixing block 4 is provided with multiple screw holes 401.

[0043] The fixing block 4 is a square block, and the fixing block 4 and the pressure block 1 are an integral structure; the fixing block 4 and the pressure block 1 form an integral structure with a T-shaped cross section; the pressure block 1 is located in the middle of the fixing block 4; four screw holes 401 are provided on both sides of the fixing block 4.

[0044] The equipment wall 5 is provided with a guide rail 501; a slider 502 is provided on the guide rail 501; a connecting hole 503 is provided between adjacent guide rails 501; a cylinder 504 is provided on the side of the equipment wall 5 away from the guide rail 501; the cylinder 504 includes a piston rod 505; a connecting block 506 is provided on the slider 502; the connecting block 506 is provided in the connecting hole 503; the connecting block 506 is connected to the piston rod 505.

[0045] A first screw is connected to the screw hole 401, and the first screw is connected to the slider 502.

[0046] Two parallel guide rails 501 are fixedly connected to the equipment wall 5, and the guide rails 501 are arranged vertically. The cross-section of the guide rails 501 is T-shaped. The slider 502 has two T-shaped slots on the side near the guide rails 501, and the guide rails 501 are placed in the slots. The cylinder 504 is fixedly connected to the back of the equipment wall 5. The connecting hole 503 is a through hole and is located between the two guide rails 501. A connecting block 506 is fixedly connected to the back of the slider 502. The connecting block 506 is fixedly connected to the end of the piston rod 505. When the cylinder 504 controls the piston rod 505 to extend, the piston rod 505 pushes the connecting block 506 upward, thereby enabling the slider 502 to move vertically upward along the guide rail 501; when the cylinder 504 controls the piston rod 505 to retract, the piston rod 505 pulls the connecting block 506 downward, thereby enabling the slider 502 to move vertically downward along the guide rail 501; the slider 502 is provided with screw mounting threaded holes, and the first screw is connected in the screw mounting threaded holes, thereby fixing the slider 502 to the fixing block 4.

[0047] The pressure block 1 and the fixing block 4 are an integral structure; the pressure block 6 is provided with a mounting hole 7; a second screw is connected in the mounting hole 7, and the second screw is connected to the pressure block 1.

[0048] The specific workflow of this utility model is as follows:

[0049] The main housing 2 is placed below the device, and the device automatically aligns itself. The pressure block 1 provides stable pressure to the pressure block 6, and the pressure block 6 presses firmly onto the main housing 2. At this time, the housing positioning block 3 is sleeved in the limiting flange 201, and the limiting flange 201 is inserted into the relief groove 602. The limiting block 202 is engaged in the limiting groove 203, thereby completing the positioning operation of the main housing 2.

[0050] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution of the present invention; or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A PTU & RDU main housing positioning device, characterized in that: It includes a pressure block (1); the bottom of the pressure block (1) is provided with a main housing (2); the side of the pressure block (1) near the main housing (2) is provided with a housing positioning block (3); the pressure block (1) is provided with a fixing block (4); the housing positioning block (3) abuts against the main housing (2); the side of the main housing (2) is provided with an equipment wall (5); the fixing block (4) is provided on the equipment wall (5).

2. A PTU & RDU main housing positioning device according to claim 1, characterized in that: The pressing block (1) has a pressing block (6) on one side; the pressing block (6) has a through hole (601); the housing positioning block (3) is provided on the pressing block (6), and the housing positioning block (3) is arranged along the edge of the through hole (601).

3. A PTU & RDU main housing positioning device according to claim 2, characterized in that: The pressing block (6) is provided with a relief groove (602); the relief groove (602) is located on the side of the housing positioning block (3) away from the through hole (601).

4. A PTU & RDU main housing positioning device according to claim 3, characterized in that: The main housing (2) is provided with a limiting flange (201); the pressing block (6) abuts against the main housing (2); the housing positioning block (3) is provided in the limiting flange (201); the limiting flange (201) is provided in the relief groove (602).

5. A PTU & RDU main housing positioning device according to claim 4, characterized in that: The limiting flange (201) is provided with a limiting block (202); the housing positioning block (3) is provided with a limiting groove (203); the limiting block (202) is located in the limiting groove (203).

6. A PTU & RDU main housing positioning device according to any one of claims 2-5, characterized in that: The fixing block (4) is located at the end of the pressure block (1); the fixing block (4) extends to both sides of the pressure block (1); the fixing block (4) is provided with a plurality of screw holes (401).

7. A PTU & RDU main housing positioning device according to claim 6, characterized in that: The device wall (5) is provided with a guide rail (501); the guide rail (501) is provided with a slider (502); a connecting hole (503) is provided between adjacent guide rails (501); a cylinder (504) is provided on the side of the device wall (5) away from the guide rail (501); the cylinder (504) includes a piston rod (505); a connecting block (506) is provided on the slider (502); the connecting block (506) is located in the connecting hole (503); the connecting block (506) is connected to the piston rod (505); A first screw is connected to the screw hole (401), and the first screw is connected to the slider (502).

8. A PTU & RDU main housing positioning device according to claim 7, characterized in that: The pressure block (1) and the fixing block (4) are an integral structure; the pressure block (6) is provided with a mounting hole (7); a second screw is connected in the mounting hole (7), and the second screw is connected to the pressure block (1).

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