CN204545865U - A kind of bulldozer final drive boss pressing machine - Google Patents
A kind of bulldozer final drive boss pressing machine Download PDFInfo
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- CN204545865U CN204545865U CN201520259176.9U CN201520259176U CN204545865U CN 204545865 U CN204545865 U CN 204545865U CN 201520259176 U CN201520259176 U CN 201520259176U CN 204545865 U CN204545865 U CN 204545865U
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Abstract
A kind of bulldozer final drive boss pressing machine, belong to technical field of workshop equipment, its technical scheme is, it comprises Hollow hydraulic cylinder, connecting screw rod, locking nut, ladder bushing, reducing sleeve and supporting disk, the semiaxis that described reducing sleeve and ladder bushing are sleeved on bull-dozer final drive gear is successively outside, the butt end of reducing sleeve is coaxially connected with the adapter sleeve of final drive gear by screw thread, one end of described connecting screw rod is coaxially connected with the taper end of reducing sleeve, the other end screws in locking nut after passing the centre bore of supporting disk and Hollow hydraulic cylinder successively, the two ends of described ladder bushing withstand on supporting disk and boss to be press-fited respectively.The utility model utilizes Hollow hydraulic cylinder to provide together with boss is fitted in adapter sleeve by power, there is the features such as structure is simple, with low cost, convenient to operation, enormously simplify assemble flow, improve efficiency of assembling and assembly quality, reduce the labour intensity of assembly cost and workman.
Description
Technical field
The utility model relates to a kind of for the device together with T165 bull-dozer final drive shaft end flanges being fitted in adapter sleeve, belongs to technical field of workshop equipment.
Background technology
The Main Function of flatrack bull-dozer final drive gear is that deceleration increasing is turned round, this mechanism comprises boss, adapter sleeve and semiaxis, their assembly relation as shown in Figure 1, it is female fastening with locking afterwards together with semiaxis is fitted in back axle casing, adapter sleeve is rotated around semiaxis by pair of bearings, and boss is connected by flat key with adapter sleeve, is provided with a pair float grease seal between boss and gear housing, to prevent whole transmission internal lubrication oil from leaking, boss and sprocket are bolted.The fitted position of boss and adapter sleeve should be ensured during practical set boss, ensure again not damage oil sealing, also will prevent semiaxis from colliding with simultaneously.At present, conventional assembly method is preloading method, namely first boss and adapter sleeve is fitted together, takes apart again, and then assemble with general tool to assembly line with after hydraulic press precompressed.The shortcoming that this assembly method exists is complicated operation, and production efficiency is low, and labor strength is large, simultaneously due to the rigidity resilience of parts, does not often reach precompression when hydraulic press press-fits, had a strong impact on assembly quality during assembled in situ.
Utility model content
The purpose of this utility model is the drawback for prior art, provides a kind of bulldozer final drive boss pressing machine, to improve efficiency of assembling and the assembly quality of bull-dozer complete machine.
Problem described in the utility model realizes with following technical proposals:
A kind of bulldozer final drive boss pressing machine, formation comprises Hollow hydraulic cylinder, connecting screw rod, locking nut, ladder bushing, reducing sleeve and supporting disk, the semiaxis that described reducing sleeve and ladder bushing are sleeved on bull-dozer final drive gear is successively outside, the butt end of reducing sleeve is coaxially connected with the adapter sleeve of final drive gear by screw thread, one end of described connecting screw rod is coaxially connected with the taper end of reducing sleeve, the other end screws in locking nut after passing the centre bore of supporting disk and Hollow hydraulic cylinder successively, the two ends of described ladder bushing withstand on supporting disk and boss to be press-fited respectively.
Above-mentioned bulldozer final drive boss pressing machine, described reducing sleeve comprises the reducing cylinder coaxial with semiaxis, connecting cylinder and attaching nut, one end of described connecting cylinder is provided with internal thread, the other end is provided with external screw thread, the taper end of described reducing cylinder is provided with the internal thread matched with the external screw thread of connecting cylinder, butt end is connected with adapter sleeve by screw thread, and the external screw thread of described attaching nut and the internal thread of connecting cylinder match, and its internal thread mates with the external screw thread of connecting screw rod one end.
Above-mentioned bulldozer final drive boss pressing machine, the outer wall of described reducing cylinder is provided with spanner, and ladder bushing is provided with the elliptical aperture corresponding with the spanner of reducing cylinder.
Above-mentioned bulldozer final drive boss pressing machine, the surface of described spanner is provided with anti-skid design.
Above-mentioned bulldozer final drive boss pressing machine, the hydraulic system of described Hollow hydraulic cylinder comprises filter, oil pump, check valve, reversal valve and hydraulic control one-way valve, the inlet port of described oil pump is connected with fuel tank through filter, oil-out is connected with the P mouth of reversal valve through check valve, the T mouth connected tank of described reversal valve, A mouth connects a hydraulic fluid port of Hollow hydraulic cylinder through hydraulic control one-way valve, and B mouth connects another hydraulic fluid port of Hollow hydraulic cylinder and the control port of hydraulic control one-way valve.
Above-mentioned bulldozer final drive boss pressing machine, is provided with overflow valve between the oil-out and check valve of oil pump.
Above-mentioned bulldozer final drive boss pressing machine, the oil pipe between hydraulic control one-way valve and Hollow hydraulic cylinder is provided with Pressure gauge.
The utility model utilizes Hollow hydraulic cylinder to provide together with boss is fitted in adapter sleeve by power, there is the features such as structure is simple, with low cost, convenient to operation, enormously simplify assemble flow, improve efficiency of assembling and assembly quality, reduce the labour intensity of assembly cost and workman.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is that boss and adapter sleeve assemble schematic diagram.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is hydraulic system principle figure.
In figure, each label is: 1, locking is female; 2, semiaxis; 3, back axle casing; 4, large bearing; 5, adapter sleeve; 6, flat key; 7, gear housing; 8, boss; 9, sprocket; 10, locking plate; 11, little bearing; 12, spanner; 13, reducing cylinder; 14, ladder bushing; 15, connecting cylinder; 16, attaching nut; 17, supporting disk; 18, Hollow hydraulic cylinder; 19, large pad; 20, locking nut; 21, connecting screw rod; 22, filter; 23, oil pump; 24, overflow valve; 25, check valve; 26, reversal valve; 27, hydraulic control one-way valve; 28, Pressure gauge.
Detailed description of the invention
The utility model comprises special spanner 12, reducing cylinder 13, ladder bushing 14, connecting cylinder 15, attaching nut 16, supporting disk 17, Hollow hydraulic cylinder 18, large pad 19, locking nut 20 and high strength connecting screw rod 21.The assembly technology of boss 8 and adapter sleeve 5 requires: thrust is 264-294KN.Press-fit process as follows: under first online, spanner 12, reducing cylinder 13, connecting cylinder 15, attaching nut 16, high strength connecting screw rod 21 are connected into an assembly by internal and external threads, connecting cylinder 15 is enclosed within semiaxis 2, turn spanner 12 assembly and adapter sleeve 5 are together by a threaded connection, spanner 12 carries out integral quenching, and annular knurl process is carried out with easy disassembly in surface.Ladder bushing 14 pine to be placed on connecting cylinder 15 and compression axis end flanges 8, ladder bushing 14 is provided with the elliptical aperture of dodging spanner 12, ladder bushing is steel-casting, supporting disk 17, Hollow hydraulic cylinder 18, large pad 19 pine are placed on high strength connecting screw rod 21, turning locking nut 20 makes locking nut 20 promote large pad 19, Hollow hydraulic cylinder 18, supporting disk 17, ladder bushing 14 lifting axe end flanges 8, and now Hollow hydraulic cylinder 18 piston is in contraction state.Actuating motor drives oil pump 23 fuel feeding, the piston rod of Hollow hydraulic cylinder 18 stretches out, make to produce relative motion between high strength connecting screw rod 21 and ladder bushing 14, because adapter sleeve 5 is connected with bull gear by bolt, adapter sleeve 5 is restricted can not to left movement, now piston rod promotion supporting disk 17, ladder bushing 14 move right, and boss 8 can be press-fited on adapter sleeve 5.This pressing machine hydraulic system is furnished with pressure adjustment relief valve, can control assembling pressure exactly.
Hydraulic system of the present utility model comprises fuel tank, oil pump 23, filter 22, pressure adjustment relief valve 24, reversal valve 26, check valve 25, hydraulic control one-way valve 27, Pressure gauge 28, oil pipe etc.Driven by motor oil pump 23 oil suction from fuel tank, hydraulic oil from fuel tank through oil pump 23 to pressure adjustment relief valve 24, adjustment pressure adjustment relief valve 24 is to required operating pressure, Hollow hydraulic cylinder 18 is entered through reversal valve 26 from pressure adjustment relief valve 24 oil out, Pressure gauge 28 is equipped with in reversal valve 26 outlet, realizing the flexible of piston by pulling reversal valve 26, being connected by high-voltage explosion-proof oil pipe between Hollow hydraulic cylinder 18 with reversal valve 26.
Claims (7)
1. a bulldozer final drive boss pressing machine, it is characterized in that, it comprises Hollow hydraulic cylinder (18), connecting screw rod (21), locking nut (20), ladder bushing (14), reducing sleeve and supporting disk (17), the semiaxis (2) that described reducing sleeve and ladder bushing (14) are sleeved on bull-dozer final drive gear is successively outside, the butt end of reducing sleeve is coaxially connected with the adapter sleeve (5) of final drive gear by screw thread, one end of described connecting screw rod (21) is coaxially connected with the taper end of reducing sleeve, the other end screws in locking nut (20) after passing the centre bore of supporting disk (17) and Hollow hydraulic cylinder (18) successively, the two ends of described ladder bushing (14) withstand on supporting disk (17) and boss to be press-fited (8) respectively.
2. a kind of bulldozer final drive boss pressing machine according to claim 1, it is characterized in that, described reducing sleeve comprises the reducing cylinder (13) coaxial with semiaxis (2), connecting cylinder (15) and attaching nut (16), one end of described connecting cylinder (15) is provided with internal thread, the other end is provided with external screw thread, the taper end of described reducing cylinder (13) is provided with the internal thread matched with the external screw thread of connecting cylinder (15), butt end is connected with adapter sleeve (5) by screw thread, the external screw thread of described attaching nut (16) and the internal thread of connecting cylinder (15) match, its internal thread mates with the external screw thread of connecting screw rod (21) one end.
3. a kind of bulldozer final drive boss pressing machine according to claim 2, it is characterized in that, the outer wall of described reducing cylinder (13) is provided with spanner (12), and ladder bushing (14) is provided with the elliptical aperture corresponding with the spanner of reducing cylinder (13) (12).
4. a kind of bulldozer final drive boss pressing machine according to claim 3, is characterized in that, the surface of described spanner (12) is provided with anti-skid design.
5. a kind of bulldozer final drive boss pressing machine according to claim 1 and 2, it is characterized in that, the hydraulic system of described Hollow hydraulic cylinder (18) comprises filter (22), oil pump (23), check valve (25), reversal valve (26) and hydraulic control one-way valve (27), the inlet port of described oil pump (23) is connected with fuel tank through filter (22), oil-out is connected through the P mouth of check valve (25) with reversal valve (26), the T mouth connected tank of described reversal valve (26), A mouth connects a hydraulic fluid port of Hollow hydraulic cylinder (18) through hydraulic control one-way valve (27), B mouth connects another hydraulic fluid port of Hollow hydraulic cylinder (18) and the control port of hydraulic control one-way valve (27).
6. a kind of bulldozer final drive boss pressing machine according to claim 5, is characterized in that, between the oil-out and check valve (25) of oil pump (23), be provided with overflow valve (24).
7. a kind of bulldozer final drive boss pressing machine according to claim 6, is characterized in that, the oil pipe between hydraulic control one-way valve (27) and Hollow hydraulic cylinder (18) is provided with Pressure gauge (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520259176.9U CN204545865U (en) | 2015-04-27 | 2015-04-27 | A kind of bulldozer final drive boss pressing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520259176.9U CN204545865U (en) | 2015-04-27 | 2015-04-27 | A kind of bulldozer final drive boss pressing machine |
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| Publication Number | Publication Date |
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| CN204545865U true CN204545865U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520259176.9U Active CN204545865U (en) | 2015-04-27 | 2015-04-27 | A kind of bulldozer final drive boss pressing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141635A (en) * | 2016-07-29 | 2016-11-23 | 中国北方发动机研究所(天津) | A kind of jacking mechanism for the assembling of dish shaft flange and assembly method thereof |
-
2015
- 2015-04-27 CN CN201520259176.9U patent/CN204545865U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141635A (en) * | 2016-07-29 | 2016-11-23 | 中国北方发动机研究所(天津) | A kind of jacking mechanism for the assembling of dish shaft flange and assembly method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200528 Address after: 075105 No. 21 Dongsheng Road, Xuanhua District, Hebei, Zhangjiakou Patentee after: Hebei Xuangong Machinery Development Co., Ltd Address before: 075105 No. 21 Dongsheng Road, Xuanhua District, Hebei, Zhangjiakou Patentee before: XUANHUA CONSTRUCTION MACHINERY Co.,Ltd. |