CN221096510U - Rock-soil cutting device driven by superposition vibration and single power source - Google Patents
Rock-soil cutting device driven by superposition vibration and single power source Download PDFInfo
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- CN221096510U CN221096510U CN202322786626.7U CN202322786626U CN221096510U CN 221096510 U CN221096510 U CN 221096510U CN 202322786626 U CN202322786626 U CN 202322786626U CN 221096510 U CN221096510 U CN 221096510U
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- 238000005520 cutting process Methods 0.000 title claims abstract description 110
- 239000002689 soil Substances 0.000 title claims abstract description 26
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 68
- 239000011435 rock Substances 0.000 claims abstract description 32
- 238000007667 floating Methods 0.000 claims description 11
- 230000005284 excitation Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 3
- 230000005641 tunneling Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000002697 Tooth Abrasion Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model discloses a rock and soil cutting device driven by a single power source and capable of vibrating in a superposition mode, and belongs to the technical field of cutting head structural design of cantilever heading machines. According to the rock and soil cutting device driven by the single power source and superimposed with vibration, disclosed by the utility model, the output shaft of the speed reducer is changed into the hollow shaft, the extension section of the input shaft extends out of the output shaft of the speed reducer, the output shaft of the speed reducer is matched with the driving shaft of the cutting head to transfer torque, and the input extension section of the speed reducer is matched with the spline of the vibrating shaft to transfer torque, so that the cutting head and the vibrating shaft can be driven by the single power source at the same time, and additional driving is not required; by fixing the eccentric block on the vibration shaft, the vibration shaft eccentric block can be driven by the driving device to generate exciting force. According to the utility model, the vibration is applied to the cutting head, so that the rock breaking efficiency is improved under the combined action of vibration and impact, and the rock breaking performance of the rock-soil tunneling equipment is improved.
Description
Technical Field
The utility model belongs to the technical field of cutting head structural design of cantilever type heading machines, and relates to a rock and soil cutting device driven by superposition vibration and a single power source.
Background
The cutting device is core components of rock and soil cutting equipment such as a cantilever type heading machine, a rotary drilling machine, an open-pit mining milling machine and the like or various tooth-cutting type rock breaking equipment, and is exemplified by a typical rock breaking equipment cantilever type heading machine which is main equipment in mining operation and tunneling engineering and is used for breaking rocks, coal and other minerals.
The traditional cantilever type heading machine, rotary drilling rig and other equipment have low cutting efficiency and even can not realize effective rock breaking under the geological condition of hard rock. Accordingly, scholars have proposed rock breaking methods such as vibratory cutting to improve cutting performance of heading machines. According to the technology, the cutting device is subjected to vibration, and the rock and soil materials are rapidly crushed under the combined action of vibration and impact, so that the efficiency of rock breaking equipment is improved, but the structural design for realizing the functions is still immature, and a feasible and effective implementation scheme is lacking.
Disclosure of utility model
In order to overcome the defects of the prior art, the utility model aims to provide a rock-soil cutting device driven by a single power source through superposition vibration, realize vibration impact composite rock breaking, and solve the technical problems of low cutting efficiency, rapid cutting tooth abrasion and the like of the existing cantilever type cutting head, and improve the rock breaking performance.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
The utility model discloses a rock and soil cutting device driven by a single power source and overlapped with vibration, which comprises a speed reducer, a cutting head driving shaft spline, a cutting head driving shaft, a vibrating shaft spline and a vibrating shaft, wherein the speed reducer is arranged on the cutting head driving shaft spline;
a speed reducer output shaft of the speed reducer is fixedly connected with one end of a cutting head driving shaft spline; the other end of the cutting head driving shaft spline is connected with the cutting head driving shaft;
the speed reducer input extension section of the speed reducer is matched with one end of a vibration shaft spline, and the other end of the vibration shaft spline is fixedly connected with the vibration shaft;
The speed reducer output shaft is a hollow shaft, and the speed reducer input shaft extension section extends out of the speed reducer output shaft; and an eccentric block is fixedly arranged on the vibration shaft.
Further, the speed reducer adopts multistage planetary gear transmission.
Further, the vibration shaft and the cutting head driving shaft are provided with an excitation mechanism in the connection area with the cutting head; the excitation mechanism comprises an eccentric block, a bearing and a left bearing seat; the vibrating shaft and the cutting head driving shaft are supported in the cutting head through a left bearing seat; the bearing is arranged between the left bearing seat and the cutting head driving shaft; the eccentric block is fixed on the vibrating shaft, transmits torque in a key manner and is positioned in the left bearing seat.
Further, the cutting head driving shaft and the input shaft extension section are telescopic spline shafts; sliding is generated along with the telescopic movement of the telescopic spline shaft, the cutting head driving shaft spline and the vibrating shaft spline.
Further, a key slot is formed in the outer portion of the speed reducer output shaft, and a bearing support is arranged between the speed reducer output shaft and a bearing seat connected with the speed reducer;
And a key groove is also arranged on the extending section of the input shaft of the speed reducer.
Further, the output shaft of the speed reducer is matched with one end of a cutting head driving shaft spline, and the vibrating shaft spline is fixedly connected with the vibrating shaft.
Further, the outer cylinder is coated outside the rock-soil cutting device which is driven by the superposition vibration and the single power source; the outer cylinder body is positioned between the speed reducer and the cutting head; the outside of the outer cylinder body is also coated with a protection cylinder;
An inner cylinder is arranged between the outer cylinder and the cutting head driving shaft spline; a guide key is arranged between the outer cylinder body and the inner cylinder body; the outer cylinder is fixedly connected with the guide key, and the inner cylinder is matched with the guide key to slide.
Further, a connecting plate is arranged outside the protection cylinder; the outer cylinder body, the cutting head driving shaft and the vibrating shaft are respectively connected with the cutting head, and the outer cylinder body, the cutting head driving shaft, the vibrating shaft and the cutting head slide along the inner cylinder body under the pushing of the hydraulic cylinder to realize the expansion of the cutting head.
Further, a floating sealing frame is arranged between the outer cylinder body and the cutting head driving shaft; a floating sealing seat is arranged between the floating sealing frame and the cutting head driving shaft.
Further, the speed reducer adopts a single motor or a hydraulic motor to drive the cutting head driving shaft and the vibrating shaft simultaneously.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model discloses a rock-soil cutting device which is driven by a single power source and overlapped with vibration, wherein an output shaft of a speed reducer is changed into a hollow shaft, an extension section of an input shaft extends out of the output shaft of the speed reducer, the output shaft of the speed reducer is in spline fit with a driving shaft of a cutting head to transmit torque, and the input extension section of the speed reducer is in spline fit with the vibrating shaft to transmit torque, so that the cutting head and the vibrating shaft can be driven by a single motor at the same time without additionally increasing driving; by fixing the eccentric block to the vibration shaft, the vibration shaft can be driven by the driving device to generate exciting force. An eccentric block is fixed on the vibrating shaft, the eccentric mass block is fixed on the vibrating shaft in a key slot, a bolt or welding mode, and then a vibration excitation mechanism is formed by a bearing and a vibration excitation chamber, and the vibrating shaft is driven by a driving device to generate vibration excitation force so as to meet the working requirement; according to the utility model, the vibration is applied to the cutting head, so that the rock breaking efficiency is improved under the combined action of vibration and impact, and the cutting performance of the cutting machine is improved.
Furthermore, the cutting head and the vibration exciter are driven simultaneously by adopting a single motor, and additional driving is not needed, so that the structure of the vibrating cutting head is greatly simplified, and the manufacturing cost is reduced.
Furthermore, the general speed reducer is in a customized mode, the oil cylinder base is arranged on the shell, and compared with the general speed reducer, the general speed reducer is small in size and convenient to install.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a vibrating single power source driven rock and soil cutting device of the present utility model;
FIG. 2 is a schematic cross-sectional view of the overall structure of the vibrating single power source driven rock and soil cutting device of the present utility model;
wherein: 1-a cutting head; 2-a left bearing seat; 3-eccentric blocks; 4-a cutter head transmission shaft; 5-vibrating an axle; 6-floating seal holder; 7-floating seal holder; 8-a front end cover; 9-connecting plates; 10-cutter head drive shaft splines; 11-a speed reducer output shaft; 12-vibrating shaft spline; 13-a speed reducer; 14-a first bearing; 15-an input shaft extension; 16-a protective cylinder; 17-an outer cylinder; 18-an inner cylinder; 19-a guide key; 20-second bearing.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The utility model is described in further detail below with reference to the attached drawing figures:
As shown in fig. 1 and 2, the utility model discloses a rock-soil cutting device driven by a single power source and overlapped with vibration, which comprises a speed reducer 13, wherein the speed reducer 13 adopts two-stage planetary gear transmission; the speed reducer output shaft 11 is fixedly connected with one end of a cutter head driving shaft spline 10, and the other end of the cutter head driving shaft spline 10 is connected with the cutter head driving shaft 4; the speed reducer input extension section 15 is matched with one end of the vibration shaft spline 12, and the other end of the vibration shaft spline 12 is fixedly connected with the vibration shaft 5; the expansion and contraction of the cutting head can be realized through the cutting head driving shaft spline 10 and the vibration shaft spline 12; an eccentric block 3 is fixedly arranged on the vibration shaft 5; the speed reducer output shaft 11 is a hollow shaft, and the speed reducer input shaft extension section 15 extends out of the speed reducer output shaft 11.
Wherein the eccentric block 3 is fixed on the vibration shaft 5 through a key slot, a bolt or welding mode.
Wherein, the eccentric block 3 fixed on the vibrating shaft 5, the second bearing 20, the left bearing seat 2 and the end face of the cutting head driving shaft 4 form an excitation mechanism, and the driving device drives the vibrating shaft 5 to generate excitation force so as to meet the working requirement.
The speed reducer output shaft 11 is a hollow shaft, the speed reducer input shaft extension section 15 extends out of the output shaft 11, specifically, a key slot is arranged outside the speed reducer output shaft 11, and meanwhile, the speed reducer output shaft 11 is provided with a first bearing 14 for supporting. The speed reducer input shaft extension section 15 is provided with a key groove.
Wherein, the outside of the rock-soil cutting device which is driven by a single power source and is overlapped with vibration is covered with an outer cylinder 17; the outer cylinder 17 is positioned between the speed reducer 13 and the cutting head 1; the outside of the outer cylinder 17 is also covered with a protection cylinder 16; the inner cylinder 18 is positioned between the outer cylinder 17 and the cutter head driving shaft spline 10, the outer cylinder 17 is fixedly connected with the guide key 19, and the inner cylinder 18 and the guide key 19 are matched to generate sliding; the outer part of the protection cylinder 16 is provided with a connecting plate 9; the outer cylinder 17, the cutting head driving shaft 4 and the vibrating shaft 5 are respectively connected with the cutting head 1, and the outer cylinder 17, the cutting head driving shaft 4, the vibrating shaft 5 and the cutting head 1 slide along the inner cylinder 18 under the pushing of the hydraulic cylinder by the connecting plate 9 to realize the expansion and the contraction of the cutting head 1.
Preferably, the reducer output shaft 11 is matched with the cutter head driving shaft spline 10, the vibrating shaft spline 12 is fixedly connected with the vibrating shaft 15, specifically, the cutter head driving shaft 4 and the input shaft extension section 15 are telescopic spline shafts, and sliding is generated with the cutter head driving shaft spline 10 and the vibrating shaft spline 12 along with telescopic movement of the telescopic spline shafts.
Preferably, the speed reducer 13 adopts a single motor to drive the cutting head 1 and the vibrating shaft 5 at the same time, no additional driving is needed, the structure and the manufacturing cost are greatly simplified, and an oil tank base is arranged on the shell of the speed reducer 13.
The vibrating cutting head 1 of the heading machine preferably takes into account a number of factors in the design, such as the rock type of the heading machine, the cutting speed, the cutting depth and the power requirements, the design of the cutting head having to be robust to withstand the great stresses and vibrations generated during cutting.
Considering the compact overall structure, the general speed reducer 13 is customized, the oil cylinder base is arranged on the shell, and the shell is smaller in size and convenient to install compared with the general speed reducer while the reduction ratio requirement is met; by changing the output shaft 11 of the speed reducer into a hollow shaft, the extension section 15 of the input shaft extends out of the output shaft 11 of the speed reducer, the output shaft 11 of the speed reducer is matched with the spline 12 of the driving shaft of the cutting head to transmit torque, and the extension section 15 of the input shaft of the speed reducer is matched with the spline 12 of the vibrating shaft to transmit torque, so that the cutting head 1 and the vibrating shaft 5 can be driven by a single motor at the same time without additionally increasing driving; by fixing the eccentric mass 3 to the vibration shaft, it is possible to drive the vibration shaft 5 by the driving means to generate the exciting force.
Preferably, the cutter head drive shaft 4 is provided with a floating seal holder 6, the floating seal holder 6 being pressed by a floating seal holder 7, wherein a front end cap 8 is used for pressing the positioning shaft section.
The above is only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present utility model falls within the protection scope of the claims of the present utility model.
Claims (10)
1. The rock and soil cutting device driven by the superposition vibration and the single power source is characterized by comprising a speed reducer (13), a cutting head driving shaft spline (10), a cutting head driving shaft (4), a vibrating shaft spline (12) and a vibrating shaft (5);
a speed reducer output shaft (11) of the speed reducer (13) is fixedly connected with one end of a cutting head driving shaft spline (10); the other end of the cutting head driving shaft spline (10) is connected with the cutting head driving shaft (4);
The speed reducer input extension section (15) of the speed reducer (13) is matched with one end of the vibration shaft spline (12), and the other end of the vibration shaft spline (12) is fixedly connected with the vibration shaft (5);
The speed reducer output shaft (11) is a hollow shaft, and the speed reducer input shaft extension section (15) extends out of the speed reducer output shaft (11); an eccentric block (3) is fixedly arranged on the vibration shaft (5).
2. A vibrating, single power source driven earth and rock cutting apparatus as claimed in claim 1, wherein the reducer (13) employs a multistage planetary gear transmission.
3. The rock and soil cutting device driven by a single power source and superimposed with vibration according to claim 1, wherein the vibration shaft (5) and the cutting head driving shaft (4) are provided with an excitation mechanism in the area connected with the cutting head (1); the excitation mechanism comprises an eccentric block (3), a second bearing (20) and a left bearing seat (2); the vibrating shaft (5) and the cutting head driving shaft (4) are supported in the cutting head (1) through the left bearing seat (2); the second bearing (20) is arranged between the left bearing seat (2) and the cutting head driving shaft (4); the eccentric block (3) is fixed on the vibrating shaft (5) to transmit torque in a key mode and is positioned in the left bearing seat (2).
4. A vibrating single power source driven rock and soil cutting device according to claim 3, wherein the cutting head drive shaft (4) and the input shaft extension (15) are telescopic spline shafts; sliding is generated along with the telescopic movement of the telescopic spline shaft, the cutting head driving shaft spline (10) and the vibrating shaft spline (12).
5. The rock and soil cutting device driven by the superposition vibration and single power source according to claim 1, wherein a key groove is arranged outside the speed reducer output shaft (11), and a first bearing (14) is arranged between the speed reducer output shaft (11) and a bearing seat connected with the speed reducer (13) for supporting;
And a key groove is also formed in the speed reducer input shaft extension section (15).
6. The rock and soil cutting device driven by the superposition vibration and single power source according to claim 5, wherein the speed reducer output shaft (11) is matched with one end of a cutting head driving shaft spline (10), and the vibration shaft spline (12) is fixedly connected with the vibration shaft (5).
7. A superimposed-vibration single-power-source-driven rock and soil cutting device according to claim 1, characterized in that the outside of the superimposed-vibration single-power-source-driven rock and soil cutting device is covered with an outer cylinder (17); the outer cylinder (17) is positioned between the speed reducer (13) and the cutting head (1); the outside of the outer cylinder body (17) is also coated with a protection cylinder (16);
An inner cylinder (18) is arranged between the outer cylinder (17) and the cutter head driving shaft spline (10); a guide key (19) is arranged between the outer cylinder (17) and the inner cylinder (18); the outer cylinder (17) is fixedly connected with the guide key (19), and the inner cylinder (18) is matched with the guide key (19) to generate sliding.
8. A vibrating single power source driven rock and soil cutting device according to claim 7, characterized in that the exterior of the protective cylinder (16) is also provided with a web (9); the outer cylinder body (17), the cutting head driving shaft (4) and the vibrating shaft (5) are respectively connected with the cutting head (1), and the connecting plate (9) pushes the outer cylinder body (17), the cutting head driving shaft (4), the vibrating shaft (5) and the cutting head (1) to slide along the inner cylinder body (18) to realize the extension and retraction of the cutting head (1).
9. A vibrating single power source driven rock and soil cutting device according to claim 8, characterized in that a floating seal frame (7) is provided between the outer cylinder (17) and the cutting head drive shaft (4); a floating seal seat (6) is arranged between the floating seal frame (7) and the cutting head driving shaft (4).
10. A vibrating, single power source driven rock and soil cutting device according to claim 1, characterized in that the reducer (13) adopts a single motor or hydraulic motor to drive the cutting head driving shaft (4) and the vibrating shaft (5) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322786626.7U CN221096510U (en) | 2023-10-17 | 2023-10-17 | Rock-soil cutting device driven by superposition vibration and single power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322786626.7U CN221096510U (en) | 2023-10-17 | 2023-10-17 | Rock-soil cutting device driven by superposition vibration and single power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221096510U true CN221096510U (en) | 2024-06-07 |
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ID=91303646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322786626.7U Active CN221096510U (en) | 2023-10-17 | 2023-10-17 | Rock-soil cutting device driven by superposition vibration and single power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221096510U (en) |
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2023
- 2023-10-17 CN CN202322786626.7U patent/CN221096510U/en active Active
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