CN115929892A - Oil circuit system of tunneling and anchoring integrated cutting speed reducer - Google Patents

Oil circuit system of tunneling and anchoring integrated cutting speed reducer Download PDF

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Publication number
CN115929892A
CN115929892A CN202211702246.4A CN202211702246A CN115929892A CN 115929892 A CN115929892 A CN 115929892A CN 202211702246 A CN202211702246 A CN 202211702246A CN 115929892 A CN115929892 A CN 115929892A
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CN
China
Prior art keywords
oil
speed reducer
inlet
cutting speed
hydraulic
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CN202211702246.4A
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Chinese (zh)
Inventor
裴帮
丁炜
关鹤
何鹏辉
乔向阳
李福利
李明志
颜世铛
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Zhengzhou Research Institute of Mechanical Engineering Co Ltd
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Zhengzhou Research Institute of Mechanical Engineering Co Ltd
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Priority to CN202211702246.4A priority Critical patent/CN115929892A/en
Publication of CN115929892A publication Critical patent/CN115929892A/en
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Abstract

The invention discloses an oil circuit system of a cutting speed reducer integrating tunneling and anchoring, which comprises a cutting speed reducer body, wherein an input shaft is arranged on the cutting speed reducer body, a gear pump is connected onto the input shaft, the oil circuit system also comprises a main frame and an intermediate frame, the main frame is arranged on the cutting speed reducer body, a first oil inlet and a first oil return hole are formed in the main frame, a second oil inlet and a second oil return hole are formed in the intermediate frame, the main frame and the intermediate frame are connected through a connecting pin, an oil return oil circuit is connected between the first oil return hole and the second oil return hole, an oil inlet circuit is connected between the first oil inlet and the second oil inlet, the oil inlet circuit extends to each point position needing lubricating, an oil discharge pipe is connected between the gear pump and the oil return circuit, and the gear pump is connected with an oil pumping pipe. The oil way system of the tunneling and anchoring integrated cutting speed reducer has the advantages of reasonable structural arrangement, good lubricating effect and prolonged service life of the speed reducer.

Description

Oil circuit system of tunneling and anchoring integrated cutting speed reducer
Technical Field
The invention belongs to the technical field of mechanical equipment, and particularly relates to an oil way system of a tunneling and anchoring integrated cutting speed reducer.
Background
The tunneling and anchoring unit is equipment integrating exploration, tunneling, support and transportation, realizes synchronous operation of tunneling and anchoring protection, improves the tunneling speed of the equipment, solves the problem of unbalanced mining and tunneling which troubles coal mines for a long time, and is the development direction of safe and efficient tunneling of coal roadways. The speed reducer is used as an important transmission part of the cutting part, and the performance of the speed reducer plays an important role in the coal mining efficiency and the safety and stability of the digging and anchoring unit.
The driving and anchoring integrated cutting speed reducer adopts a one-level cylinder, a one-level bevel gear and a two-level planetary mechanism to transmit power, so that heating components are more, the heating amount is large, if a lubricating structure is unreasonably arranged, the temperature of lubricating oil can be increased, the abrasion of a gear and a bearing can be intensified, and the service life of the speed reducer can be shortened.
Disclosure of Invention
The invention aims to provide an oil way system of a tunneling and anchoring integrated cutting speed reducer, which is used for solving the problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an integrative cutting speed reducer oil piping system of anchor digging, includes cutting speed reducer body, be provided with the input shaft on the cutting speed reducer body, be connected with the gear pump on the input shaft, still including main frame and the middle frame of setting on cutting speed reducer body, first inlet port and first oil return hole have been seted up on the main frame, second inlet port and second oil return hole have been seted up in the middle frame, through connecting pin connection between main frame and the middle frame, be connected with the oil return circuit between first oil return hole and the second oil return hole, be connected with the oil feed oil circuit between first inlet port and the second inlet port, the oil feed oil circuit extends to every point position department that needs lubrication, be connected with the oil extraction pipe between gear pump and the oil return circuit, the gear pump is connected with oil pumping pipe, middle frame is provided with the oil bath, the oil pumping pipe extends to the oil bath, first oil return hole connects gradually cooler and oil tank to the outside, the oil tank communicates with first inlet port.
The working process and principle of the structure are as follows:
when the cutting speed reducer body operates, the input shaft drives the gear pump to operate, lubricating oil is sent back to the oil tank through the oil discharge pipe, the oil return oil way and the cooler, meanwhile, the lubricating oil is injected from the first oil inlet hole on the main frame by the oil tank, and the injected lubricating oil is distributed to each point through the oil inlet oil way of the lubricating oil, so that the heat generated in the speed reducer can be taken away in time by the splash lubrication and circulating forced lubrication mode, and the service life of the speed reducer is prolonged; meanwhile, oil is pumped in the oil pool through the oil pumping pipe, and lubricating oil is discharged to an oil return way of the middle rack through the oil discharging pipe; lubricating oil enters the main frame from the oil return oil way of the middle frame, flows out through the internal oil way of the main frame, is cooled by the cooler and then flows into the oil tank.
Furthermore, an O-shaped ring is connected between the first oil inlet hole and the second oil inlet hole, and an O-shaped ring is connected between the first oil return hole and the second oil return hole.
The two O-shaped rings respectively prevent lubricating oil from leaking from the main frame end and the middle frame end.
Further, the point locations include input gear pairs and bearings, input shaft bearings and bevel gear pairs and bearings.
Through the lubrication to input gear pair and bearing, input bearing and bevel gear pair and bearing, realize lubricating oil to the lubrication of each position of cutting speed reducer body, guarantee operating efficiency, improved cooling efficiency simultaneously, prevent the high temperature of lubricating oil, prolong the life of speed reducer.
Furthermore, a screw plug is arranged at the intersection of the oil inlet path and the oil return path.
The screw plug is arranged, and the isolating function of an oil inlet oil way and an oil return oil way is mainly realized.
Furthermore, a plurality of process holes are formed in the main frame and the middle frame, internal threads are formed in the process holes, and screw plugs are arranged in the process holes.
The technical holes are arranged, and are mainly holes which are formed for conveniently processing oil passages of the main frame and the middle frame.
Further, set up the flexible first hydraulic pressure oil inlet of control left end pneumatic cylinder and the flexible third hydraulic pressure oil inlet and the fourth hydraulic pressure oil inlet of second hydraulic pressure oil feed mouth and control right-hand member pneumatic cylinder on the main frame, the main frame is provided with the journal stirrup near middle frame one side, cutting speed reducer body is provided with left side one-level planet carrier and right side one-level planet carrier, left side one-level planet carrier and right side one-level planet carrier set up the both sides at middle frame respectively, first hydraulic pressure oil inlet, second hydraulic pressure oil feed mouth, third hydraulic pressure oil inlet and fourth hydraulic pressure oil inlet communicate respectively and have first hydraulic pressure oil circuit, second hydraulic pressure oil circuit, third hydraulic pressure oil circuit and fourth hydraulic pressure oil circuit, first hydraulic pressure oil circuit and second hydraulic pressure oil circuit pass through journal stirrup, middle frame and right side one-level planet carrier respectively in proper order, left side one-level planet carrier and right side one-level planet carrier are connected with a hydraulic pressure oil pipe respectively, every hydraulic pressure oil pipe is connected with a pneumatic cylinder.
Hydraulic oil is injected into the main frame from the first hydraulic oil inlet, and is converged into the middle frame through the internal oil path of the support lug, and flows into the left first-stage planet carrier through the internal oil path of the middle frame, the left first-stage planet carrier is simultaneously connected with the hydraulic oil pipe, namely the first hydraulic oil path is connected with the hydraulic oil pipe, and the hydraulic oil flows into the hydraulic cylinder through the oil path outlet of the hydraulic oil pipe to push the piston to extend; when the second hydraulic oil inlet of the main frame is filled with oil, the parts of the hydraulic oil flowing through the second hydraulic oil path are the same as those of the first hydraulic oil path, but the parts are different from each other, and the hydraulic oil finally flows out from the other oil path outlet of the hydraulic oil pipe to push the hydraulic cylinder to retract; 4 hydraulic oil ways at the left end and the right end of the cutting speed reducer body are different from each other, and the extension of a hydraulic cylinder on one side can be controlled independently.
Further, a water inlet and a plurality of water outlets are formed in the main frame, the water inlet is communicated with a plurality of water paths, and the water paths are communicated with the water outlets.
The main frame is provided with a water inlet and a water channel which are mainly used for dust removal.
Has the advantages that: when the cutting speed reducer body operates, the input shaft drives the gear pump to operate, lubricating oil is sent back to the oil tank through the oil discharge pipe, the oil return oil way and the cooler, meanwhile, the lubricating oil is injected from the first oil inlet hole on the main frame by the oil tank, and the injected lubricating oil is distributed to each point through the oil inlet oil way of the lubricating oil, so that the heat generated in the speed reducer can be taken away in time by the splash lubrication and the circulating forced lubrication mode, and the service life of the speed reducer is prolonged; and the hydraulic oil circuit of the original driving and anchoring integrated cutting speed reducer can only realize simultaneous extension of the hydraulic cylinders at two ends and cannot separately control the extension of the hydraulic cylinders at two ends.
Drawings
FIG. 1 is a schematic view of an external structure of a cutting reducer according to the present invention;
FIG. 2 is a schematic view of another angle external structure of the cutting reducer of the present invention;
FIG. 3 is a schematic diagram of a forced lubrication oil path according to the present invention;
FIG. 4 is a schematic view of a hydraulic circuit structure of the middle frame according to the present invention;
FIG. 5 is a schematic structural diagram of a hydraulic oil path of a left-side first-stage planet carrier in the present invention;
FIG. 6 is a schematic structural diagram of a hydraulic oil path of a right-side first-stage planet carrier according to the present invention;
FIG. 7 is a schematic view of a connection structure of a first-stage planet carrier and a hydraulic oil tank according to the present invention;
fig. 8 is a schematic view of a water path structure of the speed reducer of the present invention.
Reference numerals: 1. cutting the reducer body; 2. an input shaft; 3. a gear pump; 4. a main frame; 5. a middle frame; 6. a first oil inlet hole; 7. a first oil return hole; 8. a second oil inlet hole; 9. a second oil return hole; 10. an oil inlet path; 11. an oil return path; 12. a connecting pin; 13. point location; 14. an oil discharge pipe; 15. an oil pumping pipe; 16. an oil sump; 17. an O-shaped ring; 18. a plug screw; 19. a fabrication hole; 20. a first hydraulic oil inlet; 21. a second hydraulic oil inlet; 23. a third hydraulic oil inlet; 24. a fourth hydraulic oil inlet; 25. supporting a lug; 26. a left first-stage planet carrier; 27. a first-stage planet carrier on the right side; 28. a first hydraulic oil passage; 29. a second hydraulic oil passage; 30. a third hydraulic oil passage; 31. a fourth hydraulic oil passage; 32. a hydraulic oil pipe; 33. a hydraulic cylinder; 34. a water inlet; 35. a water outlet; 36. a waterway.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the embodiments or the description in the prior art, it is obvious that the following description of the structure of the drawings is only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts. It should be noted that the description of the embodiments is provided to help understanding of the present invention, and the present invention is not limited thereto.
Example (b):
as shown in fig. 1-7, the present embodiment provides an oil circuit system for an excavation and anchoring integrated cutting speed reducer, which includes a cutting speed reducer body 1, an input shaft 2 is disposed on the cutting speed reducer body 1, a gear pump 3 is connected to the input shaft 2, the oil circuit system further includes a main frame 4 and an intermediate frame 5 disposed on the cutting speed reducer body 1, a first oil inlet 6 and a first oil return hole 7 are disposed on the main frame 4, a second oil inlet 8 and a second oil return hole 9 are disposed on the intermediate frame 5, the main frame 4 and the intermediate frame 5 are connected by a connecting pin 12, an oil return circuit 11 is connected between the first oil return hole 7 and the second oil return hole 9, an oil inlet circuit 10 is connected between the first oil inlet 6 and the second oil inlet 8, the oil inlet circuit 10 extends to each point position 13 to be lubricated, an oil discharge pipe 14 is connected between the gear pump 3 and the oil return circuit 11, the gear pump 3 is connected to an oil suction pipe 15, the intermediate frame 5 is provided with an oil pool 16, the oil suction pipe 15 extends to the oil pool 16, the first oil return hole 7 is connected to the outside in sequence, and the oil tank is communicated with the first oil inlet 6.
The working process and principle of the structure are as follows:
when the cutting speed reducer body 1 operates, the input shaft 2 drives the gear pump 3 to operate, lubricating oil is sent back to the oil tank through the oil discharge pipe 14, the oil return oil way 11 and the cooler, meanwhile, the lubricating oil is injected from the first oil inlet hole 6 on the main frame 4 by the oil tank, and the injected lubricating oil is distributed to each point 13 through the oil inlet oil way 10 of the lubricating oil, and the heat generated in the speed reducer can be taken away in time by the splash lubrication and circulation forced lubrication mode, so that the service life of the speed reducer is prolonged; meanwhile, the oil in the oil pool 16 is pumped through the oil pumping pipe 15, and the lubricating oil is discharged to the oil return oil way 11 of the middle frame 5 through the oil discharge pipe 14; after entering the main frame 4 from the return oil path 11 of the intermediate frame 5, the lubricating oil flows out through the internal oil path of the main frame 4, is cooled by a cooler, and then flows into an oil tank.
In another embodiment of the present invention, as shown in fig. 3, an O-ring 17 is connected between the first oil inlet hole 6 and the second oil inlet hole 8, and an O-ring 17 is connected between the first oil return hole 7 and the second oil return hole 9.
Two O-rings 17 prevent leakage of lubricant from the main frame 4 and the intermediate frame 5 ends, respectively.
In another embodiment of the present invention, as shown in FIG. 3, point 13 includes an input gear pair and bearings, an input shaft 2 bearing and a bevel gear pair and bearings.
Through the lubrication to input gear pair and bearing, input shaft 2 hold and bevel gear pair and bearing, realize lubricating oil to the lubrication of each position of cutting speed reducer body 1, guarantee operating efficiency, improved cooling efficiency simultaneously, prevent the high temperature of lubricating oil, prolong the life of speed reducer.
In another embodiment of the present invention, as shown in fig. 3, a screw plug 18 is provided at the intersection of the oil inlet passage 10 and the oil return passage 11.
The screw plug 18 is arranged to mainly realize the isolation function of the oil inlet passage 10 and the oil return passage 11.
In another embodiment of the present invention, as shown in fig. 3, a plurality of process holes 19 are formed on the main frame 4 and the middle frame 5, internal threads are formed in the process holes 19, and screw plugs 18 are arranged in the process holes 19.
The technical holes 19 are mainly holes which are formed for conveniently processing oil passages of the main frame 4 and the middle frame 5, and the technical holes 19 are blocked by the screw plugs 18 so as to prevent oil leakage.
In another embodiment of the present invention, as shown in fig. 1 to 7, a first hydraulic oil inlet 20 and a second hydraulic oil inlet 21 for controlling the left end hydraulic cylinder 33 to extend and retract, and a third hydraulic oil inlet 23 and a fourth hydraulic oil inlet 24 for controlling the right end hydraulic cylinder 33 to extend and retract are provided on the main frame 4, a supporting lug 25 is provided on one side of the main frame 4 close to the intermediate frame 5, the cutting reducer body 1 is provided with a left first-stage planet carrier 26 and a right first-stage planet carrier 27, the left first-stage planet carrier 26 and the right first-stage planet carrier 27 are respectively provided on both sides of the intermediate frame 5, the first hydraulic oil inlet 20, the second hydraulic oil inlet 21, the third hydraulic oil inlet 23 and the fourth hydraulic oil inlet 24 are respectively communicated with a first hydraulic oil path 28, a second hydraulic oil path 29, a third hydraulic oil path 30 and a fourth hydraulic oil path 31, the first hydraulic oil path 28 and the second hydraulic oil path 29 respectively sequentially pass through the supporting lug 25, the intermediate frame 5 and the left first-stage planet carrier 26, the third hydraulic oil path 30 and the fourth hydraulic oil path 31 sequentially pass through the supporting lug 25, the intermediate frame 5 and the right first-stage planet carrier 27, the left first-stage oil path 26 and the right planet carrier 27 are respectively, and each hydraulic oil path 32 is connected with each hydraulic oil cylinder 33.
Hydraulic oil is injected into the main frame 4 from the first hydraulic oil inlet 20, and is converged into the middle frame 5 through an internal oil path of the support lug 25, and flows into the left-side first-stage planet carrier 26 through the internal oil path of the middle frame 5, the left-side first-stage planet carrier 26 is simultaneously connected with the hydraulic oil pipe 32, that is, the first hydraulic oil path 28 is connected with the hydraulic oil pipe 32, and the hydraulic oil flows into the hydraulic cylinder 33 through an oil path outlet of the hydraulic oil pipe 32 to push the piston to extend; when the second hydraulic oil inlet 21 of the main frame 4 is filled with oil, the hydraulic oil flows through the same parts of the second hydraulic oil path 29 as the first hydraulic oil path 28, but the parts are different from each other, and finally flows out from the other oil path outlet of the hydraulic oil pipe 32 to push the hydraulic cylinder 33 to retract; the left end and the right end of the cutting speed reducer body 1 are provided with 4 hydraulic oil paths which are different from each other and can independently control the extension of the hydraulic cylinder 33 on one side.
In another embodiment of the present invention, as shown in fig. 8, a water inlet 34 and a plurality of water outlets 35 are formed on the main frame 4, the water inlet 34 is communicated with a plurality of water paths 36, and the water paths 36 are communicated with the water outlets 35.
The main frame 4 is provided with a water inlet 34 and a water channel 36, which are mainly used for dust removal.
Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides an integrative cutting speed reducer oil piping system of anchor digging, includes cutting speed reducer body, be provided with the input shaft on the cutting speed reducer body, be connected with the gear pump on the input shaft, its characterized in that still includes main frame and the middle frame of setting on cutting speed reducer body, first inlet port and first oil return hole have been seted up on the main frame, second inlet port and second oil return hole have been seted up in the middle frame, through connecting pin connection between main frame and the middle frame, be connected with oil return circuit between first oil return hole and the second oil return hole, be connected with the oil feed oil circuit between first inlet port and the second inlet port, the oil feed oil circuit extends to every point position department that needs the lubrication, be connected with the oil extraction pipe between gear pump and the oil return oil circuit, the gear pump is connected with oil pumping pipe, middle frame is provided with the oil bath, oil pumping pipe extends to the oil bath, first oil return hole connects gradually cooler and oil tank to the outside, the oil tank communicates with first inlet hole.
2. The oil path system of the tunneling-anchoring integrated cutting speed reducer as claimed in claim 1, wherein an O-ring is connected between the first oil inlet hole and the second oil inlet hole, and an O-ring is connected between the first oil return hole and the second oil return hole.
3. The tunneling, anchoring and integrated cutting speed reducer oil piping system according to claim 1, wherein the point locations comprise input gear pairs and bearings, input shaft bearings and bevel gear pairs and bearings.
4. The oil circuit system of the tunneling-anchoring integrated cutting speed reducer as claimed in claim 1, wherein a screw plug is arranged at the junction of the oil inlet circuit and the oil return circuit.
5. The oil path system of the tunneling-anchoring integrated cutting speed reducer as claimed in claim 1, wherein a plurality of process holes are formed in the main frame and the intermediate frame, internal threads are formed in the process holes, and screw plugs are arranged in the process holes.
6. The tunneling and anchoring integrated cutting speed reducer oil path system according to claim 1, wherein a first hydraulic oil inlet and a second hydraulic oil inlet for controlling the left end hydraulic cylinder to stretch and a third hydraulic oil inlet and a fourth hydraulic oil inlet for controlling the right end hydraulic cylinder to stretch are formed in the main frame, a support lug is arranged on one side of the main frame close to the middle frame, the cutting speed reducer body is provided with a left first-level planet carrier and a right first-level planet carrier, the left first-level planet carrier and the right first-level planet carrier are respectively arranged on two sides of the middle frame, the first hydraulic oil inlet, the second hydraulic oil inlet, the third hydraulic oil inlet and the fourth hydraulic oil inlet are respectively communicated with a first hydraulic oil path, a second hydraulic oil path, a third hydraulic oil path and a fourth hydraulic oil path, the first hydraulic oil path and the second hydraulic oil path respectively sequentially pass through the support lug, the middle frame and the left first-level planet carrier, the third hydraulic oil path and the fourth hydraulic oil path sequentially pass through the support lug, the middle frame and the right first-level planet carrier, the left first-level planet carrier and the right first-level planet carrier are respectively connected with one hydraulic oil cylinder, and each oil pipe is connected with one hydraulic oil cylinder.
7. The roadheader-anchor integrated cutting speed reducer oil path system as claimed in claim 1, wherein a water inlet and a plurality of water outlets are formed in the main frame, the water inlet is communicated with a plurality of water paths, and the water paths are communicated with the water outlets.
CN202211702246.4A 2022-12-28 2022-12-28 Oil circuit system of tunneling and anchoring integrated cutting speed reducer Pending CN115929892A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211702246.4A CN115929892A (en) 2022-12-28 2022-12-28 Oil circuit system of tunneling and anchoring integrated cutting speed reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211702246.4A CN115929892A (en) 2022-12-28 2022-12-28 Oil circuit system of tunneling and anchoring integrated cutting speed reducer

Publications (1)

Publication Number Publication Date
CN115929892A true CN115929892A (en) 2023-04-07

Family

ID=86555790

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211702246.4A Pending CN115929892A (en) 2022-12-28 2022-12-28 Oil circuit system of tunneling and anchoring integrated cutting speed reducer

Country Status (1)

Country Link
CN (1) CN115929892A (en)

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