CN216976463U - Adjustable fuel injection pump of felling machine - Google Patents
Adjustable fuel injection pump of felling machine Download PDFInfo
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- CN216976463U CN216976463U CN202123405669.3U CN202123405669U CN216976463U CN 216976463 U CN216976463 U CN 216976463U CN 202123405669 U CN202123405669 U CN 202123405669U CN 216976463 U CN216976463 U CN 216976463U
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- pump body
- pump
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- 238000002347 injection Methods 0.000 title claims abstract description 98
- 239000007924 injection Substances 0.000 title claims abstract description 98
- 239000000446 fuel Substances 0.000 title claims abstract description 54
- 239000003921 oil Substances 0.000 claims abstract description 136
- 239000010687 lubricating oil Substances 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses an adjustable fuel injection pump of a felling machine, belongs to the technical field of fuel injection pumps, and solves the problem that the fuel injection quantity of the fuel injection pump of the existing small felling machine is not adjustable. This adjustable injection pump includes the pump body, the pump body in seted up the nozzle opening, set up the oil outlet with the nozzle opening intercommunication on the pump body of nozzle opening one end, the oil outlet in be equipped with the check valve, set up the inlet port with the nozzle opening intercommunication on the pump body of the nozzle opening other end, be close to it has the oil spout piston to slide to peg graft in the nozzle opening of inlet port one end, the one end of oil spout piston and nozzle opening between be equipped with reset spring, pump body one side be equipped with the adjusting part who is used for adjusting the oil spout piston stroke. The adjustable fuel injection pump of the felling machine can adjust the fuel injection quantity of the fuel injection pump of the small felling machine according to actual needs, saves lubricating oil, improves the working efficiency, and has the characteristics of wide application range and strong practicability.
Description
Technical Field
The utility model relates to the technical field of fuel injection pumps, in particular to an adjustable fuel injection pump of a felling machine.
Background
In the application of the feller, lubricating oil must be sprayed on the chain saw of the feller during the sawing off of trees. Therefore, the feller is provided with an oil injection pump which is specially used for injecting oil to the chain saw. In the felling machine of felling trees diameter and being greater than 40CM, adopt electric proportional control fuel injection pump a bit, can be according to the size or the hard degree of every trees diameter, the oil spout of electric proportional control fuel injection pump is adjusted. The electric proportional control fuel injection pump not only needs a complex electric control system, but also is very expensive, so that in the feller with the diameter of less than 40CM, the electric proportional control fuel injection pump is not adopted, and an unadjustable quantitative fuel injection pump is used.
The quantitative oil injection pump has set oil injection quantity when the feller leaves a factory, and cannot be adjusted after leaving the factory, and when large trees or hard trees are felled, the oil injection quantity is possibly insufficient, so that the chain is worn very quickly; when small trees or less hard trees are felled, the oil injection amount is too much, and lubricating oil is wasted on a blank land. The lubricating oil tank on the feller is smaller, and the oil injection quantity is many and need often look over and add lubricating oil, increases work load, influences the operating efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art, and provides an adjustable fuel injection pump of a felling machine, which can adjust the fuel injection quantity of the fuel injection pump of the small felling machine according to actual needs, save lubricating oil, improve the working efficiency and has the characteristics of wide application range and strong practicability.
The technical scheme adopted by the utility model is as follows: the utility model provides an adjustable injection pump of felling machine, includes the pump body, the pump body in seted up the nozzle opening, set up the oil outlet with the nozzle opening intercommunication on the pump body of nozzle opening one end, the oil outlet in be equipped with the check valve, set up the inlet port with the nozzle opening intercommunication on the pump body of the nozzle opening other end, be close to it has the oil spout piston to slide to peg graft in the nozzle opening of inlet port one end, the one end of oil spout piston and nozzle opening between be equipped with reset spring, pump body one side be equipped with the adjusting part who is used for adjusting the oil spout piston stroke.
As a further improvement, the adjusting component comprises an adjusting rod and a locking nut, the locking nut is installed on one side of the pump body, one end of the adjusting rod is in threaded connection with the locking nut, and the other end of the adjusting rod penetrates through the pump body and is inserted into the return spring.
Furthermore, a plurality of sealing rings are arranged between the adjusting rod and the pump body.
Furthermore, the check valve comprises a check valve core, a check valve spring and a check valve connector, the check valve connector is in threaded connection with the oil outlet, one end of the check valve core is inserted into the check valve connector in a sliding mode, the other end of the check valve core is attached to the pump body at the bottom of the oil outlet, and the check valve spring is installed between the check valve core and the check valve connector.
Furthermore, a throttling joint is in threaded connection with one end of the oil injection hole close to the oil injection piston, and the throttling joint is communicated with an oil cavity of the sawmilling oil cylinder.
Furthermore, a through joint is in threaded connection with the oil inlet hole and is communicated with the lubricating oil tank.
Furthermore, the oil outlet and the oil inlet are arranged on the pump body in parallel, and the oil outlet and the oil inlet are perpendicular to the oil injection hole.
Furthermore, an installation groove is formed in the oil injection piston, and the return spring is installed in the installation groove.
Advantageous effects
Compared with the prior art, the utility model has the following advantages:
when the adjustable fuel injection pump of the felling machine is used, high-pressure oil at the P port of the oil pump also flows to the A port of the adjustable fuel injection pump through the reversing valve to push the fuel injection piston to move, and lubricating oil in the pump body is sprayed out from the C port through the one-way valve under the pushing of the fuel injection piston to spray the oil onto a chain. After the reversing valve is reversed, the piston rod of the sawmilling oil cylinder is retracted, the return spring in the adjustable oil injection pump pushes the oil injection piston to return, and lubricating oil in the lubricating oil tank flows back to the pump body of the oil injection pump to complete one-time oil injection. The check valve integration through with adjustable injection pump makes its simple structure compact, the installation of being convenient for, in the use, only need adjust the distance of pole and oil spout piston, the distance that removes when just can controlling the oil spout piston oil spout, thereby realize the regulation of fuel injection quantity, the trees size of each piece of woods is the same basically, adjust once before a piece of woods fell the trees, when saving lubricating oil, unnecessarily look over the oil mass repeatedly and add lubricating oil, thereby improve the efficiency of felling, and the device has the characteristics of convenient to use, wide application scope.
Drawings
FIG. 1 is a schematic front view of the present invention;
fig. 2 is a schematic view of a practical application structure of the adjustable fuel injection pump of the present invention.
Wherein: 1-pump body, 2-one-way valve, 3-sealing ring, 4-oil injection hole, 5-straight joint, 6-throttle joint, 7-oil injection piston, 8-reset spring, 9-adjusting rod, 10-locking nut, 11-oil inlet, 12-oil outlet, 13-oil injector, 14-chain saw, 15-main oil tank, 16-oil pump, 17-reversing valve, 18-lubricating oil tank, 19-sawn wood oil cylinder, 20-mounting groove, 21-one-way valve core, 22-one-way valve spring and 23-one-way valve joint.
Detailed Description
The utility model will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1-2, the adjustable fuel injection pump of the felling machine comprises a pump body 1, wherein a fuel injection hole 4 is formed in the pump body 1, a fuel outlet 12 communicated with the fuel injection hole 4 is formed in the pump body 1 at one end of the fuel injection hole 4, a one-way valve 2 is arranged in the fuel outlet 12, a fuel inlet 11 communicated with the fuel injection hole 4 is formed in the pump body 1 at the other end of the fuel injection hole 4, a fuel injection piston 7 is inserted in the fuel injection hole 4 close to one end of the fuel inlet 11 in a sliding mode, a return spring 8 is arranged between the fuel injection piston 7 and one end of the fuel injection hole 4, an adjusting assembly used for adjusting the stroke of the fuel injection piston 7 is arranged on one side of the pump body 1, and the fuel injection hole 4 of the pump body 1 is outwards provided with the return spring 8, the fuel injection piston 7 and a throttle joint 6 in sequence. The other end of the oil spray hole 4 is provided with an adjusting rod 9, and the adjusting rod 9 is locked by a locking nut 10. The one-way valve joint 2 is arranged at the end C of the oil injection hole 4, the one-way valve core 21 and the one-way valve spring 22 are arranged in the oil injection hole, oil in the oil injection hole 4 can only flow out from the port C, and the port A of the pump body 1 is communicated with an oil cavity of the sawmilling oil cylinder 19. The P port of the oil pump 16 is also communicated with an oil tank of a sawmilling oil cylinder 19 through a reversing valve 17, the output end of the sawmilling oil cylinder 19 is connected with a chain saw 14 and can push the chain saw 14 to rotate integrally, the oil inlet hole 11 is communicated with a lubricating oil tank 18 through a straight-through joint 5, and the oil outlet hole 12 is connected with an oil injector 13 of the chain saw 14 through a one-way valve.
Concretely, the adjusting part includes adjusting pole 9 and lock nut 10, and lock nut 10 installs in one side of the pump body 1, adjusts 9 one end of pole and lock nut 10 threaded connection, adjusts the pole 9 other end and passes pump body 1 and peg graft in reset spring 8, and through rotatory adjusting pole 9, adjusts the distance of adjusting pole 9 and oil spout piston 7, distance that the oil spout piston 7 moved when spouting the oil to realize the regulation of fuel injection quantity.
Preferably, a plurality of sealing rings 3 are arranged between the adjusting rod 9 and the pump body 1, so that the joint of the adjusting rod 9 and the pump body 1 is sealed, and the lubricating oil in the oil injection hole 4 is prevented from leaking from the joint.
Further, the check valve 2 comprises a check valve core 21, a check valve spring 22 and a check valve joint 23, the check valve joint 23 is in threaded connection with the oil outlet 12, one end of the check valve core 21 is inserted into the check valve joint 23 in a sliding mode, the other end of the check valve core 21 is attached to the pump body 1 at the bottom of the oil outlet 12, the check valve spring 22 is installed between the check valve core 21 and the check valve joint 23, high-pressure oil at the port P of the oil pump 16 pushes the oil injection piston 7 to move, lubricating oil in the pump body 1 pushes the check valve core 21 to compress the check valve spring 22 and move upwards under the pushing and squeezing of the oil injection piston 7, the check valve 2 is in an open state, the lubricating oil is sprayed from the port C, and the oil is sprayed onto the chain for lubrication.
Furthermore, one end of the oil injection hole 4 close to the oil injection piston 7 is in threaded connection with a throttle joint 6, the throttle joint 6 is communicated with an oil cavity of the sawmilling oil cylinder 19, an oil passage flowing to the oil injection piston 7 is reduced through the throttle joint 6, and the moving time of the oil injection piston 7 is controlled, so that lubricating oil is sprayed onto the chain saw 14 in the whole sawing process.
Further, the oil inlet hole 11 is in threaded connection with a through joint 5, the through joint 5 is communicated with the lubricating oil tank 18, the through joint 5 is conveniently connected with the lubricating oil tank 18 through a pipeline, and installation and disassembly of operators are facilitated.
Further, oil outlet 12, inlet port 11 parallel arrangement each other are on the pump body 1, and oil outlet 12, inlet port 11 and nozzle opening 4 mutually perpendicular can be so that the better flow of lubricating oil, and oil outlet 12 arranges in nozzle opening 4 bottom, prevents that the oil of nozzle opening 4 bottom is palirrhea in extrusion process, influences lubricating oil and discharges from oil outlet 12.
Furthermore, mounting groove 20 has been seted up on oil spout piston 7, and reset spring 8 installs in mounting groove 20, makes the connection between reset spring 8 and the oil spout piston 7 more firm, makes reset spring 8 in extrusion process, non-deformable simultaneously.
When the adjustable oil injection pump of the felling machine is used, the oil pump 16 pumps oil from the main oil tank 15, a P port of the oil pump 16 supplies oil to an oil cavity of the sawmilling oil cylinder 19 through the reversing valve 17, a piston rod of the sawmilling oil cylinder 19 extends out, the chain saw 14 rotating at a high speed is pushed to be close to a tree, and the tree is sawed off by the chain saw 14 along with the extension of the piston rod. In the sawing process, high-pressure oil at the P port of the oil pump 16 also flows to the A port of the adjustable oil injection pump through the reversing valve 17 to push the oil injection piston 7 to move, and lubricating oil in the pump body 1 is sprayed out from the C port through the one-way valve 2 under the pushing of the oil injection piston 7 to spray the oil onto a chain. After the reversing valve 17 is reversed, the piston rod of the sawmilling oil cylinder 19 is retracted, the return spring 8 in the adjustable oil injection pump pushes the oil injection piston 7 to return, and the lubricating oil in the lubricating oil tank 18 flows back into the pump body 1 of the adjustable oil injection pump to finish primary oil injection. The distance of the oil injection piston 7 in oil injection can be controlled by adjusting the distance between the adjusting rod 9 and the oil injection piston 7, so that the adjustment of the oil injection quantity is realized. According to the adjustable oil injection pump of the felling machine, the distance of the oil injection piston in oil injection can be controlled by adjusting the distance between the adjusting rod and the oil injection piston, so that the adjustment of the oil injection amount is realized, the tree size of each tree forest is basically the same, the adjustment can be performed once before the felling of one tree forest, the oil amount is not required to be checked repeatedly and the lubricating oil is not required to be added while the lubricating oil is saved, the felling efficiency is improved, and the adjustable oil injection pump has the characteristics of convenience in use and wide application range.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the utility model, which will not affect the effect of the utility model and the practicability of the patent.
Claims (8)
1. The utility model provides an adjustable injection pump of felling machine, its characterized in that, includes the pump body (1), the pump body (1) in seted up nozzle opening (4), set up oil outlet (12) with nozzle opening (4) intercommunication on the pump body (1) of nozzle opening (4) one end, oil outlet (12) in be equipped with check valve (2), set up inlet (11) with nozzle opening (4) intercommunication on the pump body (1) of the nozzle opening (4) other end, be close to it has oil spout piston (7) to slide in nozzle opening (4) of inlet (11) one end to peg graft, the one end of oil spout piston (7) and nozzle opening (4) between be equipped with reset spring (8), pump body (1) one side be equipped with the adjusting part who is used for adjusting oil spout piston (7) stroke.
2. The adjustable fuel injection pump of the felling machine according to claim 1, characterized in that, the adjusting assembly comprises an adjusting rod (9) and a locking nut (10), the locking nut (10) is installed at one side of the pump body (1), one end of the adjusting rod (9) is in threaded connection with the locking nut (10), and the other end of the adjusting rod (9) penetrates through the pump body (1) and is inserted into the return spring (8).
3. The adjustable fuel injection pump of the feller as claimed in claim 2, characterized in that a plurality of sealing rings (3) are provided between the adjusting rod (9) and the pump body (1).
4. The adjustable fuel injection pump of the felling machine according to claim 1, characterized in that the check valve (2) includes a check valve core (21), a check valve spring (22) and a check valve joint (23), the check valve joint (23) is in threaded connection with the oil outlet (12), one end of the check valve core (21) is inserted in the check valve joint (23) in a sliding manner, the other end of the check valve core (21) is attached to the pump body (1) at the bottom of the oil outlet (12), and the check valve spring (22) is installed between the check valve core (21) and the check valve joint (23).
5. The adjustable fuel injection pump of the feller as claimed in claim 1, characterized in that, the end of the fuel injection hole (4) close to the fuel injection piston (7) is connected with a throttle joint (6) by screw thread, the throttle joint (6) is communicated with the oil cavity of the sawmilling oil cylinder (19).
6. The adjustable fuel injection pump of the feller as claimed in claim 1, characterized in that the oil inlet (11) is screwed with a through joint (5), and the through joint (5) is communicated with a lubricating oil tank (18).
7. The adjustable fuel injection pump of the feller according to claim 1, characterized in that, the oil outlet (12) and the oil inlet (11) are arranged in parallel on the pump body (1), and the oil outlet (12) and the oil inlet (11) are perpendicular to the fuel injection hole (4).
8. The adjustable fuel injection pump of the feller as claimed in claim 1, characterized in that, the fuel injection piston (7) is provided with a mounting groove (20), and the return spring (8) is mounted in the mounting groove (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123405669.3U CN216976463U (en) | 2021-12-31 | 2021-12-31 | Adjustable fuel injection pump of felling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123405669.3U CN216976463U (en) | 2021-12-31 | 2021-12-31 | Adjustable fuel injection pump of felling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216976463U true CN216976463U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123405669.3U Active CN216976463U (en) | 2021-12-31 | 2021-12-31 | Adjustable fuel injection pump of felling machine |
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| Country | Link |
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| CN (1) | CN216976463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484247A (en) * | 2021-12-31 | 2022-05-13 | 广西玉柴重工有限公司 | Adjustable fuel injection pump of felling machine |
-
2021
- 2021-12-31 CN CN202123405669.3U patent/CN216976463U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484247A (en) * | 2021-12-31 | 2022-05-13 | 广西玉柴重工有限公司 | Adjustable fuel injection pump of felling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 537000 North of Miaoyuan Road, Yulin City, Guangxi Zhuang Autonomous Region (Yuchai New City) Patentee after: Guangxi Yuchai Equipment Technology Co.,Ltd. Country or region after: China Address before: 537000 Yuchai construction machinery industrial concentration area, Luchuan County, Yulin City, Guangxi Zhuang Autonomous Region Patentee before: GUANGXI YUCHAI HEAVY INDUSTRY Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |
Address after: 537722 Yuchai Construction Machinery Industrial Concentration Zone, Luchuan, Yulin City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Yuchai Equipment Technology Co.,Ltd. Country or region after: China Address before: 537000 North of Miaoyuan Road, Yulin City, Guangxi Zhuang Autonomous Region (Yuchai New City) Patentee before: Guangxi Yuchai Equipment Technology Co.,Ltd. Country or region before: China |