CN203779076U - Pressing machine for caterpillar track pin shaft of bulldozer - Google Patents
Pressing machine for caterpillar track pin shaft of bulldozer Download PDFInfo
- Publication number
- CN203779076U CN203779076U CN201420137008.8U CN201420137008U CN203779076U CN 203779076 U CN203779076 U CN 203779076U CN 201420137008 U CN201420137008 U CN 201420137008U CN 203779076 U CN203779076 U CN 203779076U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- type frame
- bow type
- bull
- track pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002828 fuel tank Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 26
- 238000012856 packing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
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- Component Parts Of Construction Machinery (AREA)
Abstract
A pressing machine for a caterpillar track pin shaft of a bulldozer belongs to the technical field of workshop equipment. The technical scheme is that the pressing machine comprises an arch frame and an oil cylinder; the caterpillar track pin shaft to be pressed and a caterpillar track assembly are arranged between the two ends of the arch frame; the oil cylinder is connected with the outer side of the rear end of the arch frame through a connecting flange on the cylinder head of the oil cylinder; a piston rod of the oil cylinder passes through the connecting flange and a through hole in the rear end of the arch frame in sequence, and is coaxial and opposite to the caterpillar track pin shaft to be pressed. The caterpillar track pin shaft and the caterpillar track assembly are pressed together by power provided by the oil cylinder, and the pressing machine has the characteristics of being simple in structure, low in cost, convenient and quick to operate, and the like, greatly improves the assembly efficiency and the assembly quality, and reduces the assembly cost of the caterpillar track and the labor intensity of workers.
Description
Technical field
The utility model relates to a kind of for press-fiting the device of the crawler belt bearing pin of bull-dozer track rail assembly interface, belongs to workshop appliance technical field.
Background technology
Crawler belt is the vitals of bull-dozer, and its major function is to produce frictional force with ground under the effect of transmission device, drives bull-dozer walking.Track rail assembly disconnects before being arranged on bull-dozer, needs the track section at its two ends to couple together after installation, makes it to become loop configuration.Fig. 1 is the assembling relationship figure of T165 bull-dozer track rail assembly interface, and it is upper that wherein locking pin pad 6 is contained in right-hand track chiain joint, and elastic locking cover 9 is contained on left track section, and left and right track section links together by crawler belt bearing pin 8.Because the magnitude of interference between crawler belt bearing pin 8 and elastic locking cover 9 is large, and the operating space between track rail assembly and walker is limited, has caused larger difficulty to the assembling of crawler belt bearing pin 8.Traditional assembly method is to utilize sledgehammer that crawler belt bearing pin 8 is pounded into elastic locking cover 9, and not only efficiency of assembling is low, and assembly quality is difficult to reach technological requirement, and is easy to damage other parts.Therefore, how to improve the difficult problem that the efficiency of assembling of track rail assembly interface and assembly quality are puzzlement relevant technologies personnel always.
Utility model content
The purpose of this utility model is the drawback for prior art, and a kind of bull-dozer track pin axle pressure machine is provided, to improve efficiency of assembling and the assembly quality of bull-dozer track rail assembly interface.
Problem described in the utility model realizes with following technical proposals:
A kind of bull-dozer track pin axle pressure machine, formation comprises bow type frame and oil cylinder, crawler belt bearing pin to be press-fited and track rail assembly are placed between the two ends of bow type frame, described oil cylinder is connected in the outside, rear end of bow type frame by the connecting flange on its cylinder head, its piston rod is coaxially relative with crawler belt bearing pin to be press-fited through the through hole of connecting flange and bow type frame rear end successively.
Above-mentioned bull-dozer track pin axle pressure machine is provided with supporting seat between the rear end of bow type frame and track rail assembly to be press-fited, and described supporting seat is fixed on the front end inner side of bow type frame, on the front end of bow type frame and supporting seat, is provided with the through hole coaxial with oil cylinder.
Above-mentioned bull-dozer track pin axle pressure machine, between the connecting flange of described bow type frame and oil cylinder, by high-strength bolt, be connected, between bow type frame and connecting flange, be provided with the support tube equating with high-strength bolt quantity, each support tube is sleeved on a high-strength bolt.
Above-mentioned bull-dozer track pin axle pressure machine is provided with suspension ring on the connecting flange of bow type frame and oil cylinder.
Above-mentioned bull-dozer track pin axle pressure machine, one end that described supporting seat is relative with track rail assembly to be press-fited is provided with observation gap.
Above-mentioned bull-dozer track pin axle pressure machine, the hydraulic system of described oil 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 oil cylinder through hydraulic control one-way valve, B mouth connects another hydraulic fluid port of oil cylinder and the control port of hydraulic control one-way valve.
Above-mentioned bull-dozer track pin axle pressure machine is provided with overflow valve between the oil-out of oil pump and check valve, on the oil pipe between hydraulic control one-way valve and oil cylinder, is provided with Pressure gauge.
The utility model utilizes oil cylinder to provide power is fitted in crawler belt bearing pin with track rail assembly together with, there is the features such as simple in structure, with low cost, convenient to operation, greatly improve efficiency of assembling and assembly quality, reduced the assembly cost of crawler belt and workman's labour intensity.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the assembling schematic diagram between crawler belt bearing pin and track rail assembly;
Fig. 2 is the front view of bull-dozer track pin axle pressure machine;
Fig. 3 is the upward view of bull-dozer track pin axle pressure machine;
Fig. 4 is hydraulic system principle figure.
In figure, each label is: 1, oil cylinder; 2, connecting flange; 3, suspension ring; 4, support tube; 5, bow type frame; 6, locking pin pad; 7, track rail assembly; 8, crawler belt bearing pin; 9, elastic locking cover; 10, supporting seat; 11, high-strength bolt; 12, packing ring; 13, filter; 14, oil pump; 15, overflow valve; 16, check valve; 17, reversal valve; 18, hydraulic control one-way valve; 19, Pressure gauge.
The specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, the utility model comprises oil cylinder 1, connecting flange 2, suspension ring 3, support tube 4, bow type frame 5, supporting seat 10, high-strength bolt 11, packing ring 12.Described connecting flange 3 is connected with the cylinder head of oil cylinder 1 by six side's dormant bolts in 6, and for fear of producing and interfere between bolt and support tube 4, the connecting flange 3 leading flanks one side of bow type frame (towards) have counter sink.The head of high-strength bolt 11 is pressed in one end of bow type frame 5 by packing ring 12, the loose centre bore through the through hole on bow type frame 5, support tube 4 of its double-screw bolt part is also connected with connecting flange 3 by screw thread, and bow type frame 5 is steel-casting.Whether one end of supporting seat 10 is welded on the front end inner side of bow type frame, and the other end leaves observation gap, can observe crawler belt bearing pin 8 be press-fit into place by observation gap.Load onto after track rail assembly, track rail assembly interface first connects with guiding bearing pin, adjusting bull-dozer makes track rail assembly interface in the middle of guide wheel and holder sprocket wheel, avoiding track pin axle pressure machine and bull-dozer bent plate to produce interferes, with crane sling track pin axle pressure machine and be placed on guide wheel and holder sprocket wheel in the middle of, guarantee track pin axle pressure machine integral level as far as possible, must not have obvious tilt phenomenon, guarantee that crawler belt bearing pin is pressed in track rail assembly reposefully.Track rail assembly interface is put between the two ends of bow type frame, crawler belt bearing pin integral body is coated to the through hole that lubricating oil major part is put into bow type frame rear end backwards, supporting seat is aimed at track rail assembly interface, turn on the power switch, oil pump feed, promotes piston rod movement, and piston rod heads on crawler belt bearing pin and guide pin axial advancement is moving, final crawler belt bearing pin is pressed in track rail assembly, and guiding bearing pin is headed in the through hole of supporting seat and bow type frame front end.By stretching of the gap observable piston rod between connecting flange and bow type frame.
Referring to Fig. 4, hydraulic system of the present utility model comprises fuel tank, oil pump 14, filter 13, pressure adjustment relief valve 15, reversal valve 17, check valve 16, hydraulic control one-way valve 18, Pressure gauge 19, oil pipe etc.Driven by motor oil pump 14 oil suction from fuel tank, hydraulic oil is from fuel tank process oil pump 14 to pressure adjustment relief valve 15, from pressure adjustment relief valve 15 oil out, through reversal valve 17, enter oil cylinder 1, Pressure gauge 19 is equipped with in reversal valve 17 outlets, by pulling reversal valve 17, realize the flexible of piston, between oil cylinder 1 and reversal valve 17, by high-voltage explosion-proof oil pipe, connect.
Claims (7)
1. a bull-dozer track pin axle pressure machine, it is characterized in that, it comprises bow type frame (5) and oil cylinder (1), crawler belt bearing pin (8) to be press-fited and track rail assembly are placed between the two ends of bow type frame (5), described oil cylinder (1) is connected in the outside, rear end of bow type frame (5) by the connecting flange on its cylinder head (2), its piston rod is coaxially relative with crawler belt bearing pin (8) to be press-fited through the through hole of connecting flange (2) and bow type frame (5) rear end successively.
2. a kind of bull-dozer track pin axle pressure machine according to claim 1, it is characterized in that, between the rear end of bow type frame (5) and track rail assembly to be press-fited, be provided with supporting seat (10), described supporting seat (10) is fixed on the front end inner side of bow type frame (5), on the front end of bow type frame (5) and supporting seat (10), is provided with the through hole coaxial with oil cylinder (1).
3. a kind of bull-dozer track pin axle pressure machine according to claim 2, it is characterized in that, between the connecting flange (2) of described bow type frame (5) and oil cylinder (1), by high-strength bolt (11), be connected, between bow type frame (5) and connecting flange (2), be provided with the support tube (4) equating with high-strength bolt (11) quantity, each support tube (4) is sleeved on a high-strength bolt (11).
4. a kind of bull-dozer track pin axle pressure machine according to claim 3, is characterized in that, on the connecting flange (2) of bow type frame (5) and oil cylinder (1), is provided with suspension ring (3).
5. a kind of bull-dozer track pin axle pressure machine according to claim 4, is characterized in that, one end that described supporting seat (10) is relative with track rail assembly to be press-fited is provided with observation gap.
6. a kind of bull-dozer track pin axle pressure machine according to claim 1 and 2, it is characterized in that, the hydraulic system of described oil cylinder (1) comprises filter (13), oil pump (14), check valve (16), reversal valve (17) and hydraulic control one-way valve (18), the inlet port of described oil pump (14) is connected with fuel tank through filter (13), oil-out is connected with the P mouth of reversal valve (17) through check valve (16), the T mouth connected tank of described reversal valve (17), A mouth connects a hydraulic fluid port of oil cylinder (1) through hydraulic control one-way valve (18), B mouth connects the control port of another hydraulic fluid port and the hydraulic control one-way valve (18) of oil cylinder (1).
7. a kind of bull-dozer track pin axle pressure machine according to claim 6, it is characterized in that, between the oil-out of oil pump (14) and check valve (16), be provided with overflow valve (15), on the oil pipe between hydraulic control one-way valve (18) and oil cylinder (1), be provided with Pressure gauge (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420137008.8U CN203779076U (en) | 2014-03-25 | 2014-03-25 | Pressing machine for caterpillar track pin shaft of bulldozer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420137008.8U CN203779076U (en) | 2014-03-25 | 2014-03-25 | Pressing machine for caterpillar track pin shaft of bulldozer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203779076U true CN203779076U (en) | 2014-08-20 |
Family
ID=51315304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420137008.8U Expired - Lifetime CN203779076U (en) | 2014-03-25 | 2014-03-25 | Pressing machine for caterpillar track pin shaft of bulldozer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203779076U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493460A (en) * | 2014-11-19 | 2015-04-08 | 北京北方车辆集团有限公司 | Double-pin digital pressing machine |
| CN105382515A (en) * | 2015-12-17 | 2016-03-09 | 济宁市松龄工程机械有限公司 | Pressing fit machine for track pin |
| CN105436873A (en) * | 2015-12-03 | 2016-03-30 | 天津市中机雄风机械有限公司 | Pressing machine for track tensioning device of excavator |
| CN113305550A (en) * | 2021-07-05 | 2021-08-27 | 济南重工集团有限公司 | Hydraulic disassembling system for rear matched wheel set of shield tunneling machine and using method |
-
2014
- 2014-03-25 CN CN201420137008.8U patent/CN203779076U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493460A (en) * | 2014-11-19 | 2015-04-08 | 北京北方车辆集团有限公司 | Double-pin digital pressing machine |
| CN105436873A (en) * | 2015-12-03 | 2016-03-30 | 天津市中机雄风机械有限公司 | Pressing machine for track tensioning device of excavator |
| CN105382515A (en) * | 2015-12-17 | 2016-03-09 | 济宁市松龄工程机械有限公司 | Pressing fit machine for track pin |
| CN113305550A (en) * | 2021-07-05 | 2021-08-27 | 济南重工集团有限公司 | Hydraulic disassembling system for rear matched wheel set of shield tunneling machine and using method |
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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: 20200522 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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |