CN-224205372-U - PTU & RDU main casing positioner
Abstract
The utility model relates to the technical field of shell positioning, in particular to a PTU & RDU main shell positioning device which comprises a pressing block, wherein 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 fixed block is arranged on the pressing block and is abutted 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, the pressing block is fixedly connected to a sliding block on the equipment wall surface, the device can move along 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 down, the shell positioning block is inserted into an annular limiting flange, and therefore a limiting clamping block is clamped in a limiting groove, so that the positioning of the main shell is realized, after the positioning of the main shell is finished, the subsequent pressing bearing operation is continued, and the assembly efficiency is greatly improved.
Inventors
- ZHANG HUILIN
- GAO YINGQING
Assignees
- 安徽孚祯汽车动力系统有限公司
Dates
- Publication Date
- 20260505
- Application Date
- 20250522
Claims (8)
- 1. A PTU & RDU main shell positioning device is characterized by comprising a pressing block (1), wherein a main shell (2) is arranged at the bottom of the pressing block (1), a shell positioning block (3) is arranged on one side, close to the main shell (2), of the pressing block (1), a fixed block (4) is arranged on the pressing block (1), the shell positioning block (3) abuts against the main shell (2), an equipment wall surface (5) is arranged on one side of the main shell (2), and the fixed block (4) is arranged on the equipment wall surface (5).
- 2. The positioning device for the PTU and RDU main shell according to claim 1, wherein a pressing block (6) is arranged on one side of the pressing block (1), a through hole (601) is formed in the pressing block (6), the shell positioning block (3) is arranged on the pressing block (6), and the shell positioning block (3) is arranged along the edge of the through hole (601).
- 3. The positioning device for the PTU and RDU main shell according to claim 2, wherein the pressing block (6) is provided with a yielding groove (602), and the yielding groove (602) is arranged on one side of the shell positioning block (3) far away from the through hole (601).
- 4. A PTU & RDU main housing positioning device as claimed in claim 3, wherein said main housing (2) is provided with a limit flange (201), said pressing block (6) is pressed against said main housing (2), said housing positioning block (3) is provided in said limit flange (201), and said limit flange (201) is provided in said relief groove (602).
- 5. The positioning device for a PTU and RDU main shell according to claim 4, wherein a limiting clamping block (202) is arranged in the limiting flange (201), a limiting groove (203) is formed in the shell positioning block (3), and the limiting clamping block (202) is arranged in the limiting groove (203).
- 6. A PTU & RDU main housing positioning device as claimed in any of claims 2-5, wherein said fixing block (4) is provided at the end of said press block (1), said fixing block (4) extends out to both sides of said press block (1), and said fixing block (4) is provided with a plurality of screw holes (401).
- 7. The positioning device for the PTU and RDU main shell according to claim 6, wherein a guide rail (501) is arranged on the equipment wall surface (5), a sliding block (502) is arranged on the guide rail (501), a communication hole (503) is arranged between the adjacent guide rails (501), an air cylinder (504) is arranged on one side, far away from the guide rail (501), of the equipment wall surface (5), the air cylinder (504) comprises a piston rod (505), a connecting block (506) is arranged on the sliding block (502), the connecting block (506) is arranged in the communication hole (503), and the connecting block (506) is connected with the piston rod (505); a first screw is connected in the screw hole (401), and the first screw is connected with the sliding block (502).
- 8. The positioning device for the PTU and RDU main shell according to claim 7, wherein the pressing block (1) and the fixing block (4) are of an integrated structure, the pressing block (6) is provided with a mounting hole (7), and a second screw is connected in the mounting hole (7) and is connected with the pressing block (1).
Description
PTU & RDU main casing positioner Technical Field The utility model relates to the technical field of shell positioning, in particular to a PTU & RDU main shell positioning device. Background In the assembly process of PTU (Power Transfer Unit, transverse front wheel drive transfer case) and RDU (REAR DRIVE Unit, rear main assembly), bearings are required to be pressed on the PTU and RDU main shells, the press-mounting positions of equipment for pressing the bearings are fixed, the PTU and RDU main shells are placed on a tray and move to the position below the press-mounting equipment, bearing press-mounting is carried out below the press-mounting equipment, positioning of the PTU and RDU main shells is required for realizing accurate press-mounting of the bearings, but no positioning auxiliary devices such as positioning pin holes are arranged, and positioning of the PTU and RDU main shells relative to the press-mounting equipment cannot be realized. The applicant has found through search that chinese patent document No. 201210115463.3 discloses a housing positioning structure and an air conditioner having the same on the 10 th 2013, wherein the housing positioning structure comprises a top cover, a first side plate, the top cover comprises a transverse plate and a first folded plate folded from the transverse plate, a matching body is arranged on the first folded plate, a protruding body is arranged on the first side plate, the protruding body and the matching body are matched and fixed on the top cover, the housing positioning structure uses the mutual matching of the protruding body on the first side plate and the matching body on the first folded plate to fix the whole housing, and the device cannot solve the technical problems. It would be desirable to provide a PTU & RDU main housing positioning device that enables PTU & RDU main housing positioning in order to ameliorate or solve at least one of the above problems. Disclosure of utility model It is an object of the present utility model to provide a PTU & RDU main housing positioning device capable of achieving PTU & RDU main housing positioning. In order to solve the technical problems, the technical scheme includes that the PTU and 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 fixed block is arranged on the pressing block, the shell positioning block abuts against the main shell, an equipment wall surface is arranged on one side of the main shell, and the fixed block is arranged on the equipment wall surface. The shell positioning block is arranged on the pressing block, and the shell positioning block is arranged along the edge of the through hole. The pressing block is provided with a yielding groove, and the yielding groove is arranged on one side, away from the through hole, of the shell positioning block. The main shell is provided with a limiting flange, the pressing block is abutted against the main shell, the shell positioning block is arranged in the limiting flange, and the limiting flange is arranged in the abdication groove. The limiting flange is internally provided with a limiting clamping block, the shell positioning block is provided with a limiting groove, and the limiting clamping block is arranged in the limiting groove. The fixing block is arranged at the end part of the pressing block, extends out of two sides of the pressing block, and is provided with a plurality of screw holes. The equipment wall surface is provided with a guide rail; the guide rail is provided with a sliding block, a communication hole is formed between adjacent guide rails, a cylinder is arranged on one side, far away from the guide rail, of the equipment wall surface, the cylinder comprises a piston rod, the sliding block is provided with a connecting block, and the connecting block is arranged in the communication hole and is connected with the piston rod; the screw hole is connected with a first screw, and the first screw is connected with the sliding block. The pressing block and the fixed block are of an integrated structure, the pressing block is provided with a mounting hole, a second screw is connected in the mounting hole, and the second screw is connected with the pressing block. The beneficial effects of the utility model are as follows: The pressing block is fixedly connected to the sliding block on the equipment wall surface, so that the device can move along the sliding block in the vertical direction on the equipment wall surface, the main shell is placed below the pressing block, the pressing block is pressed down, the shell positioning block is inserted into the annular limiting flange, and therefore the limiting clamping block is clamped in the limiting groove, the main shell is positioned, after the main shell is positioned, the subsequent bearing press-mounting