CN220353801U - Hollow drill for crawler-type rock tunnel boring machine - Google Patents
Hollow drill for crawler-type rock tunnel boring machine Download PDFInfo
- Publication number
- CN220353801U CN220353801U CN202321841730.5U CN202321841730U CN220353801U CN 220353801 U CN220353801 U CN 220353801U CN 202321841730 U CN202321841730 U CN 202321841730U CN 220353801 U CN220353801 U CN 220353801U
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- cylinder
- unbalanced load
- hydraulic cylinder
- guide
- fixed mounting
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- 239000011435 rock Substances 0.000 title claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims abstract description 20
- 238000005553 drilling Methods 0.000 claims abstract description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 230000005641 tunneling Effects 0.000 abstract description 7
- 238000005422 blasting Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Abstract
The utility model discloses a hollow drill for a crawler-type rock tunnel boring machine, which relates to the technical field of tunnel boring equipment and comprises a large excavator arm fixedly arranged on an excavator, wherein one end of the large excavator arm, which is far away from the excavator, is connected with a fixed plate through a universal joint, a first unbalanced load hydraulic cylinder and a second unbalanced load hydraulic cylinder are respectively and fixedly arranged above and on the side surface of the universal joint, and both ends of the first unbalanced load hydraulic cylinder and both ends of the second unbalanced load hydraulic cylinder are respectively and rotatably connected with the large excavator arm and the fixed plate; the beneficial effects are that: the existing principle of the hollow drill is adopted, the drill cylinder is driven by a driving motor, the jacking hydraulic cylinder controls the pushing, the speed is controllable, and the drill cylinder is supported by the rolling support mechanism and guided by the guide rod to slide, so that the influence on the drilling efficiency caused by shaking in the pushing process of the drill cylinder is avoided; replace traditional blasting tunneling mode, environmental protection pollution-free does not have the influence to tunnel wall overall structure, and progress is fast, and is with low costs.
Description
Technical Field
The utility model relates to the technical field of tunneling equipment, in particular to a hollow drill for a crawler-type rock tunnel boring machine.
Background
At present, the tunneling of the expressway short-distance tunnel still adopts the traditional perforation blasting tunneling technology, and the defects are as follows:
(1) The safety is extremely low, the prescription is easy to exceed, the quantity is excessive, and the cost is high.
(2) By adopting the traditional blasting tunneling, the soil structure near the tunnel is easier to be damaged.
(3) The traditional blasting tunneling is adopted, so that the surrounding environment is seriously polluted, and nearby civil houses are damaged to different degrees.
Disclosure of Invention
The utility model aims to solve the problems and provide a hollow drill for a crawler-type rock tunnel boring machine.
The utility model realizes the above purpose through the following technical scheme:
the utility model provides a stirring device in fermentation cylinder, includes the big arm of the machine of digger of fixed mounting on digger, dig the big arm of the machine of digger and keep away from dig one end and be connected with the fixed plate through the universal joint, the top and the side of universal joint respectively fixed mounting have first unbalanced load pneumatic cylinder and second unbalanced load pneumatic cylinder, the both ends of first unbalanced load pneumatic cylinder with the both ends of second unbalanced load pneumatic cylinder all respectively with dig the big arm of the machine with the fixed plate rotates to be connected, the fixed plate is kept away from dig big arm one side fixed mounting of the machine has the jack-in pneumatic cylinder, jack-in pneumatic cylinder fixed mounting has the guide arm all around, slide on the guide arm and be provided with the carriage, the carriage with the removal end fixed connection of jack-in pneumatic cylinder, fixed mounting has driving motor on the carriage, driving motor's output is followed and is kept away from dig big arm direction extension carriage fixed mounting has a boring section of thick bamboo, guide arm one end fixed mounting has a guide sleeve, the guide sleeve is in on the guide sleeve is in a fixed mounting has a rolling mechanism.
Preferably: the support rolling mechanism comprises a guide block inlaid on the guide cylinder, a fixed block is fixedly arranged on the guide block, a fixing nut is fixedly arranged on the fixed block, an adjusting screw is inserted on the fixing nut through threaded connection, the inside of the guide block is arranged into a hollow structure, the adjusting screw extends to the inside of the guide block and is connected with a moving block through a thrust bearing, a rolling bearing is fixedly arranged on the moving block, and the rolling bearing extends to the inside of the guide cylinder and props against the drill cylinder.
Preferably: the rolling bearing is a ball bearing or a needle bearing.
Preferably: the excavator large arm and the fixing plate are respectively fixedly provided with a hinge seat at the end positions corresponding to the first unbalanced load hydraulic cylinder and the second unbalanced load hydraulic cylinder, a rotating shaft is fixedly arranged on the hinge seat, a connecting ball is fixedly arranged in the middle of the rotating shaft, and the ends of the first unbalanced load hydraulic cylinder and the second unbalanced load hydraulic cylinder are respectively sleeved with the connecting ball.
Compared with the prior art, the utility model has the beneficial effects that:
1. the existing principle of the hollow drill is adopted, the drill cylinder is driven by a driving motor, the jacking hydraulic cylinder controls the pushing, the speed is controllable, and the drill cylinder is supported by the rolling support mechanism and guided by the guide rod to slide, so that the influence on the drilling efficiency caused by shaking in the pushing process of the drill cylinder is avoided;
2. replace traditional blasting tunneling mode, environmental protection pollution-free does not have the influence to tunnel wall overall structure, and progress is fast, and is with low costs.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic perspective view of a hollow drill for a crawler-type rock tunnel boring machine according to the present utility model.
Fig. 2 is a schematic perspective view of another view of a core drill for a crawler-type rock tunnel boring machine according to the present utility model.
Fig. 3 is a schematic partial structure of a core drill for a crawler-type rock tunnel boring machine according to the present utility model.
Fig. 4 is a schematic structural view of a supporting and rolling mechanism of a hollow drill for a crawler-type rock tunnel boring machine according to the present utility model.
Fig. 5 is an enlarged view of a portion a of a core drill for a track rock tunnel boring machine according to the present utility model.
The reference numerals are explained as follows:
1. digging a large arm of the machine; 2. a first unbalanced load hydraulic cylinder; 3. a universal joint; 4. the second unbalanced load hydraulic cylinder; 5. a fixing plate; 6. jacking a hydraulic cylinder; 7. a carriage; 8. a driving motor; 9. drilling a cylinder; 10. a guide rod; 11. a guide cylinder; 12. supporting the rolling mechanism; 121. a fixed block; 122. a guide block; 123. a fixing nut; 124. an adjusting screw; 125. a moving block; 126. a rolling bearing; 13. a hinge base; 14. a rotating shaft; 15. and connecting the ball.
Description of the embodiments
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the indicated technical features, whereby the features defining "first", "second", etc. may explicitly or implicitly include one or more of such features.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or by communication between two elements, the specific meaning of the terms in the present disclosure will be understood by those skilled in the art in view of the specific circumstances.
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1-5, a hollow drill for a crawler-type rock tunnel boring machine comprises a large arm 1 fixedly installed on the machine, wherein one end, far away from the machine, of the large arm 1 is connected with a fixed plate 5 through a universal joint 3, a first eccentric load hydraulic cylinder 2 and a second eccentric load hydraulic cylinder 4 are fixedly installed above and on the side surface of the universal joint 3 respectively, two ends of the first eccentric load hydraulic cylinder 2 and two ends of the second eccentric load hydraulic cylinder 4 are respectively and rotatably connected with the large arm 1 and the fixed plate 5, the first eccentric load hydraulic cylinder 2, the second eccentric load hydraulic cylinder 4 and the universal joint 3 are matched to realize the angle adjustment of the fixed plate 5, one side, far away from the large arm 1, of the fixed plate 5 is fixedly provided with a jacking hydraulic cylinder 6, the periphery of the jacking hydraulic cylinder 6 is fixedly provided with a guide rod 10, a sliding frame 7 is slidably arranged on the guide rod 10 to ensure the stable pushing of a drilling cylinder 9, the sliding frame 7 is fixedly connected with the moving end of the jacking hydraulic cylinder 6, the sliding frame 7 is fixedly provided with a driving motor 8, the output end of the driving motor 8 is fixedly connected with the guide rod 10 along the direction of the large arm 1, far away from the large arm 1, the guide rod 11 is fixedly installed on the guide cylinder 11, and the guide cylinder 11 is fixedly installed on the guide cylinder 11 in a rolling manner.
The supporting rolling mechanism 12 comprises a guide block 122 inlaid on the guide cylinder 11, a fixed block 121 is fixedly arranged on the guide block 122, a fixed nut 123 is fixedly arranged on the fixed block 121, an adjusting screw 124 is inserted on the fixed nut 123 through threaded connection, the inside of the guide block 122 is arranged into a hollow structure, the adjusting screw 124 extends to the inside of the guide block 122 and is connected with a moving block 125 through a thrust bearing, the moving block 125 is clamped in the guide block 122 to slide up and down, the adjusting screw 124 is driven by threads on the fixed nut 123 to push the moving block 125 to move through screwing the adjusting screw 124, a rolling bearing 126 is fixedly arranged on the moving block 125, the rolling bearing 126 extends to the guide cylinder 11 to push against the drill cylinder 9, and shaking of the drill cylinder 9 in the drilling process is reduced.
The rolling bearing 126 is a ball bearing or a needle bearing, and performs rolling support on the drill pipe 9, and limits the wobble of the drill pipe 9 while reducing relative friction.
The end positions of the large arm 1 of the excavator and the fixed plate 5 corresponding to the first unbalanced load hydraulic cylinder 2 and the second unbalanced load hydraulic cylinder 4 are respectively fixedly provided with a hinge seat 13, a rotating shaft 14 is fixedly arranged on the hinge seat 13, a connecting ball 15 is fixedly arranged in the middle of the rotating shaft 14, and the ends of the first unbalanced load hydraulic cylinder 2 and the second unbalanced load hydraulic cylinder 4 are respectively sleeved with the connecting ball 15, so that the support posture adjustment of the first unbalanced load hydraulic cylinder 2 and the second unbalanced load hydraulic cylinder 4 is ensured.
Working principle: when the drilling machine is used, the large arm 1 of the excavator is driven to stretch to a position needing to be drilled by the excavator, the control of the direction of the drilling cylinder 9 is realized through the telescopic fit of the first unbalanced load hydraulic cylinder 2 and the second unbalanced load hydraulic cylinder 4, the driving motor 8 is started to drive the drilling cylinder 9 to rotate, the supporting rolling mechanism 12 supports the drilling cylinder 9 to rotate, the jacking hydraulic cylinder 6 is started to push the drilling cylinder 9 to drill, the large arm 1 of the excavator is installed on the large arm of the crawler-type excavator, a special large-sized high-pressure water tank is arranged on the excavator, high-pressure water injection is carried out during working, cooling and flushing are completed once, and drilling operation is completed.
The large arm 1 of the excavator, the first unbalanced load hydraulic cylinder 2, the universal joint 3, the second unbalanced load hydraulic cylinder 4, the jacking hydraulic cylinder 6, the driving motor 8, the drilling cylinder 9 and the excavator are all universal standard components or components known to a person skilled in the art, and the structure and the principle of the large arm are known by the person skilled in the art through technical manuals or by a routine experiment method, so that no excessive description is made here.
While there have been shown and described what are at present considered to be fundamental principles, main features and advantages of the present utility model, it will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate only the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (4)
1. The utility model provides a hollow drill for crawler-type rock tunnel boring machine, includes dig quick-witted big arm (1) of fixed mounting on dig the machine, its characterized in that: the utility model discloses a drilling machine, including digging machine big arm (1), fixed plate (5) is connected with through universal joint (3) to dig machine big arm (1), the top and the side of universal joint (3) are fixed mounting respectively have first unbalanced load pneumatic cylinder (2) and second unbalanced load pneumatic cylinder (4), the both ends of first unbalanced load pneumatic cylinder (2) with the both ends of second unbalanced load pneumatic cylinder (4) all respectively with dig machine big arm (1) with fixed plate (5) rotate to be connected, fixed plate (5) keep away from dig machine big arm (1) one side fixed mounting has jack-in pneumatic cylinder (6), fixed mounting has guide arm (10) all around jack-in pneumatic cylinder (6), slide on guide arm (10) and be provided with carriage (7), carriage (7) with the mobile end fixed connection of jack-in pneumatic cylinder (6), fixed mounting has driving motor (8) on carriage (7), driving motor (8) output is along keeping away from dig machine big arm (1) one side fixed mounting has guide arm (9) to stretch out a guide arm (9) on a guide cylinder (11), the guide cylinder (11) is fixedly provided with a supporting and rolling mechanism (12).
2. A core drill for a track rock tunnel boring machine according to claim 1, wherein: support rolling mechanism (12) are including inlaying guide block (122) on guide cylinder (11), fixed mounting has fixed block (121) on guide block (122), fixed mounting has fixation nut (123) on fixed block (121), set screw (124) have been inserted through threaded connection on fixation nut (123), guide block (122) inside set up to hollow structure, set screw (124) extend to guide block (122) inside are connected with movable block (125) through thrust bearing, fixed mounting has antifriction bearing (126) on movable block (125), antifriction bearing (126) extend to guide cylinder (11) are interior to be propped on boring section of thick bamboo (9).
3. A core drill for a track rock tunnel boring machine according to claim 2, wherein: the rolling bearing (126) is a ball bearing or a needle bearing.
4. A core drill for a track rock tunnel boring machine according to claim 1, wherein: the excavator large arm (1) and the fixed plate (5) are provided with hinge seats (13) corresponding to the first unbalanced load hydraulic cylinder (2) and the second unbalanced load hydraulic cylinder (4), the hinge seats (13) are provided with rotating shafts (14) fixedly, connecting balls (15) are fixedly arranged in the middle of the rotating shafts (14), and the ends of the first unbalanced load hydraulic cylinder (2) and the second unbalanced load hydraulic cylinder (4) are sleeved with the connecting balls (15) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321841730.5U CN220353801U (en) | 2023-07-13 | 2023-07-13 | Hollow drill for crawler-type rock tunnel boring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321841730.5U CN220353801U (en) | 2023-07-13 | 2023-07-13 | Hollow drill for crawler-type rock tunnel boring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220353801U true CN220353801U (en) | 2024-01-16 |
Family
ID=89506126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321841730.5U Active CN220353801U (en) | 2023-07-13 | 2023-07-13 | Hollow drill for crawler-type rock tunnel boring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220353801U (en) |
-
2023
- 2023-07-13 CN CN202321841730.5U patent/CN220353801U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |