Power takeoff and transmission assembly which is easy to disassemble
A technology for power take-offs and transmissions, applied to components with teeth, engine seals, screws, etc., can solve problems such as difficult disassembly, non-reuse, oil leakage, etc., to save processing costs and achieve good sealing effects , The effect of improving machining accuracy
Active Publication Date: 2021-03-26
SHAANXI FAST AUTO DRIVE GROUP CO LTD
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Problems solved by technology
[0003] The purpose of the present invention is to solve the problem of oil leakage caused by the gap between the double-ended studs or bolts and the installation hole on the joint surface of the existing power take-off transmission combined housing, and the pre-coated double-ended studs or bolts in the transmission Or the power take-off is not easy to disassemble and cannot be used again during maintenance, and a power take-off transmission combination that is easy to disassemble is proposed. The present invention adopts a brand-new single / two-way sealing connection structure, and a circular For the metal sheet, there is a groove on the joint surface of the shell corresponding to the mounting hole that can accommodate the circular metal sheet. The circular metal sheet is provided with a sealing coating on one or both sides. The sealing coating has certain ductility and can play a role The effect of lubricating oil flowing into the joint surface in the sealed housing
Method used
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[0033] In order to illustrate the technical solution of the present invention more clearly, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0034] The easy-to-disassemble power take-off transmission combination of the present invention includes a transmission and a power take-off installed at the front end of the transmission. The transmission housing 1 and the power take-off housing 2 are sealed and connected through multiple sets of sealing connection structures. The sealing connection structure is as follows: figure 1 As shown, it includes the case connecting piece 3, the first installation hole 12 provided on the transmission case 1, the first groove 11 provided on the coupling surface of the transmission case, and the first groove 11 provided on the power take-off case 2. Two installation holes 22, the second groove 21, the flat washer 7 and the lock nut 6 arranged on the joint surface of the...
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The invention particularly relates to a power takeoff and transmission assembly which is easy to disassemble, and aims to solve the problems that oil leakage is caused by a gap between a stud or a bolt and a mounting hole on the joint surface of a conventional power takeoff and transmission assembly shell, and that the pre-glued stud or bolt is not easy to disassemble and cannot be used for a second time when a transmission or a power takeoff is maintained. The power takeoff and transmission assembly comprise a transmission and a power takeoff device body installed at the front end of the transmission, a transmission shell and a power takeoff shell are connected in a sealed mode through a plurality of sealing connection structures, each sealing connection structure comprises a shell connecting piece with a circular metal sheet in the middle, a locking nut, a sealing coating arranged on one surface or two surfaces of the circular metal sheet, a first mounting hole and a first groove which are formed in a transmission shell, and a second mounting hole and a second groove which are formed in the power takeoff shell, and the sealing coating has certain ductility and can play a good role in sealing lubricating oil in the shell after being pressed.
Description
technical field [0001] The invention relates to a power take-off transmission combination, in particular to a power take-off transmission combination that is easy to disassemble. Background technique [0002] The front PTO and full power PTO is a mechanical device installed at the front end of the transmission. Its input shaft transmits the engine torque and transmits the torque to the rear transmission. Power splitting is mainly realized through the internal structure of the PTO. The power output can not be affected by clutch engagement and disengagement. Due to the special purpose of the front power take-off and full power take-off, it must be installed between the transmission housing and the clutch housing, and it is inevitable to use studs or bolts for the power take-off housing and the transmission housing Cooperate with washers and nuts for assembly. Limited by the space structure, the current front PTO and full power PTO housings are designed with mounting holes co...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F16H57/029F16H57/02F16B35/04F16B43/00F16J15/06
CPCF16H57/029F16H57/02F16B35/041F16B43/001F16J15/06F16H2057/02026
Inventor 沙晓丽严鉴铂刘义
Owner SHAANXI FAST AUTO DRIVE GROUP CO LTD