CN113123337B - Ground anchor device for geotechnical engineering drilling - Google Patents
Ground anchor device for geotechnical engineering drilling Download PDFInfo
- Publication number
- CN113123337B CN113123337B CN201911408195.2A CN201911408195A CN113123337B CN 113123337 B CN113123337 B CN 113123337B CN 201911408195 A CN201911408195 A CN 201911408195A CN 113123337 B CN113123337 B CN 113123337B
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- transmission assembly
- drill rod
- sleeve
- transmission
- gear
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/80—Ground anchors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a ground anchor device for geotechnical engineering drilling, which solves the problems that a traditional side slope drilling device occupies a larger area and has longer switching time when drilling is carried out, and comprises a drill rod, a power motor for providing feeding power for the drill rod, a rack for mounting the power motor, a transmission device, a second transmission assembly and a structure, wherein the transmission device is in transmission fit with the power motor through a first transmission assembly, the second transmission assembly is in transmission fit with the drill rod, the travel is transmitted to the drill rod through the first transmission assembly and the second transmission assembly, the second transmission assembly comprises an annular driving sleeve, the annular driving sleeve is in sleeve joint at the outer surface of the drill rod and in tight contact with the drill rod, the driving sleeve is driven by the first transmission assembly to do rotary motion around a central axis, and the inner surface of the driving sleeve is in a structure for driving the drill rod to rotate and axially feed through friction force.
Description
Technical Field
The invention relates to the field of engineering machinery, in particular to a ground anchor device for geotechnical engineering drilling.
Background
Geotechnical engineering is used for solving the problems of rock mass and soil engineering, including foundation and foundation, side slope, underground engineering and the like. In the process of side slope and underground engineering, in order to stabilize engineering foundation, a side slope or a concrete layer is usually fixedly connected with a rock mass by an anchor bolt means, and the principle of the anchor bolt is that the anchor bolt or the anchor cable and an anchor solid body form fixed connection with a rock mass or a soil mass at a rock-soil deep layer. The first step of the anchor bolt is to perform a punching operation at the location where the anchor bolt is required to obtain an anchor bolt hole that meets the requirements.
In the conventional slope anchor bolt operation, the drill hole depth of the slope is generally set according to the local geological conditions and engineering design requirements, so that the drill hole depth is various. The end part of the drill rod of the traditional side slope drilling equipment is directly fixedly connected with the output shaft of the motor through the fixing device, a track perpendicular to the side slope surface is required to be arranged on the base of the drilling motor to adapt to the installation of the drill rod so as to realize the installation of the drill rod and the internal angle adjustment of the vertical surface of the angle of the drill rod, the width of a scaffold of the traditional side slope drilling equipment is limited by geographic conditions greatly for side slope construction, so that the problem that the side slope drilling machine is limited by the scaffold and difficult or even impossible to use easily occurs in the construction process, the laying width of the scaffold is usually widened in the prior art, but the method is limited by the geographic conditions greatly and can not be implemented in many times, and the other method is that the requirement of the drill rod is met by dismantling part of the scaffold at the construction position.
The length of the drilling rod is increased section by section when the conventional drilling equipment is used for coping with deep holes, the drilling rod is specifically operated to detach the connection between the end part of the last section of drilling rod and the motor and connect the next section of drilling rod, and then the next section of drilling rod is connected with the motor.
Disclosure of Invention
The invention aims to solve the problems that the track adjustment occupation is large and the exchange time is long when the traditional slope drilling device is used for drilling.
The technical scheme is that the drill rod feeding device comprises a drill rod, a power motor for providing drill rod feeding power, a rack for mounting the power motor, a transmission device, a second transmission assembly and an annular driving sleeve, wherein the transmission device is in transmission fit with the power motor through a first transmission assembly, the second transmission assembly is provided with transmission fit of the drill rod, the first transmission assembly is in transmission fit with the second transmission assembly to form a structure for transmitting power to the drill rod through the first transmission assembly and the second transmission assembly, the second transmission assembly comprises the annular driving sleeve, the annular driving sleeve is configured to be sleeved on the outer surface of the drill rod and in tight contact with the outer surface of the drill rod, the driving sleeve is driven by the first transmission assembly to perform rotary motion around a central axis, and the inner surface of the driving sleeve is configured to drive the drill rod to rotate through friction force and axially feed.
In the above or some embodiments, the driving sleeve comprises a plurality of friction rollers arranged in a ring shape, an axis of each friction roller is in a different-plane linear relationship with a rotation axis of the driving sleeve, and an acute angle is formed between the axis of each friction roller and the rotation axis of the driving sleeve.
In the above or some embodiments, the driving sleeve further comprises annular clamping rings positioned at two ends of each friction roller, and the clamping rings are in spiral fit with the sliding column of the end part of the friction roller through plane threads g positioned at the end surface of the clamping ring between the clamping rings and the friction rollers to form movement of the end part of the friction roller along the radial feeding direction of the clamping rings after adjustment of the clamping rings; the bevel gear is meshed with the surface with the bevel gear of the snap ring, and the bevel gear further comprises a fixing ring, wherein the fixing ring is positioned above the snap ring and forms a groove body for installing the bevel gear, and the fixing ring is further provided with an adjusting hole corresponding to the big end of the bevel gear; the friction roller comprises friction rollers, a hollow gear sleeve is sleeved outside the friction rollers, two ends of the gear sleeve are fixedly connected with transition rings respectively, the transition rings are detachably and fixedly connected with the fixing rings, and a cavity structure for sliding the clamping rings is formed between the fixing rings and the transition rings; the gear sleeve is in transmission fit with the first transmission assembly.
In the above or some embodiments, the first transmission assembly includes a driving gear shaft and a plurality of driven gear shafts, the driving gear shaft and the driven gear shafts are circumferentially distributed outside the gear sleeve and meshed with the gear sleeve, and two ends of each driving gear shaft and each driven gear shaft are rotationally fixed on annular fixing discs at two ends.
In the above or some embodiments, the frame includes the track of laying along side slope horizontal direction, still include be located the track top with track rolling fit's "shape removes the frame, remove the frame including the chassis that the level set up, still include with the vertical frame of chassis tip perpendicular fixed connection, vertical frame with be equipped with between the chassis and adjust the seat, adjust one end of seat with vertical frame sliding connection, adjust the other end chassis sliding connection of seat, adjust the seat with the end that the chassis is connected with be equipped with between the vertical frame and adjust with the pneumatic cylinder.
In the above or some embodiments, the driving motor is fixedly mounted on the adjusting seat, and further comprises a fixing frame, wherein the fixing frame is configured to fix the relative position of the fixing disc and the motor.
Compared with the prior art, the scheme adopts the technical scheme that the acting point of the drill rod is not fixed at a certain position, the component force generated by the friction of the driving sleeve on the drill rod along the axial direction of the drill rod provides the feeding force, the tangential force generated by the friction of the driving sleeve on the drill rod along the circumferential direction of the drill rod provides the rotating force of the drill rod, and finally the driving of the drill rod is realized; in the scheme, when drilling is carried out, the driving motor and the frame part are kept fixed, front and back adjustment is not needed, the track of the scheme is distributed along the horizontal direction of the slope and does not occupy the vertical space, the required space is smaller, the requirement on the space of the scaffold is smaller, and the scheme can directly move along the track to the next drilling point, so that the adjustment and control are convenient; and when the drilling rod that this scheme was used bores the deep hole, can directly peg graft fixed next section drilling rod at the drilling rod tail end, need not dismantle the connection of last section drilling rod, its efficiency is higher than ordinary side slope drilling equipment, has practiced thrift engineering time greatly.
Drawings
Fig. 1 is a schematic construction diagram of a side slope.
Fig. 2 is a schematic structural view of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic structural view of a transmission device in the present invention.
Fig. 5 is a schematic diagram of a matching structure of a friction roller and a snap ring in the present invention.
Fig. 6 is a schematic view of the structure of the friction roller in the present invention.
Detailed Description
In order to more clearly and fully illustrate the core concepts of the present invention, the present invention will be further described and illustrated below with reference to specific embodiments. It should be noted that the following specific embodiments are intended to illustrate the inventive concept and are not intended to limit the inventive implementation, so that the inventive implementation, including but not limited to what is described in this application, may be regarded as alternative or circumvention by those skilled in the art in light of the inventive concept, and are also intended to be within the scope of the claimed or non-authorized inventions.
The frame 100, the frame 100 includes along the track 101 that slope horizontal direction was laid, track 101 can lay according to engineering construction needs section by section, track 101's the horizontal length direction of laying direction along slope scaffold frame lays, it is equipped with the gyro wheel with track 101 roll fit to remove the frame bottom, it includes the chassis 102 that the level set up and vertical setting's vertical frame 103 to remove the frame, it is perpendicular fixed connection with vertical frame 103 to remove the frame, chassis 102 and vertical frame 103 all include two parallel arrangement's fixed beams, through stable roof beam fixed connection between the fixed beams, be equipped with the movable roof beam between the medial surface that the fixed roof beam is relative, the both ends of movable roof beam and the long slide hole 104 sliding fit that is located on the fixed roof beam, the movable roof beam is articulated with adjusting seat 106 through articulated seat cooperation, wherein the movable roof beam that is located chassis 102 department stretches out or shortens the angle regulation between adjusting seat 106 and the horizontal plane by pneumatic cylinder 105, in order to adapt to the construction requirement of slope drilling angle. During or while drilling, the end of the drill rod 305 passes through the drive sleeve with its trailing end between the fixed beams of the vertical frame 103, the vertical frame 103 being provided with space for yielding.
The adjusting seat 106, adjusting seat 106 is used for realizing the fixed mounting of driving motor 200, transmission 300, and transmission 300 and driving motor 200's relative position is fixed and is fixed in simultaneously on adjusting seat 106, adjusting seat 106 is equipped with the base that is used for driving motor 200 casing to be fixed, still includes a mount 107, mount 107 includes the fixed arm 107a that becomes semicircle ring-shaped, and fixed arm 107a passes through bolt fixed connection with fixed disk 302, still includes connecting seat 107b, connecting seat 107b passes through bolt fixed connection on adjusting seat 106. When the drilling angle is adjusted, the hydraulic cylinder 105 drives the end of the underframe 102 of the adjusting seat 106 to horizontally slide, and at the moment, the end of the adjusting seat 106 positioned on the vertical frame 103 is driven upwards, so that the drilling angle is adjusted.
The transmission device 300 comprises two fixing plates 302 which are arranged oppositely and used for installing a first transmission assembly 301, the two fixing plates 302 are fixedly connected through a fixing rod 303 distributed in an annular mode, the first transmission assembly 301 comprises a plurality of gear shafts 301a distributed in an annular mode, each gear shaft 301a is positioned in front of the two fixing plates 302 and is in rotary connection with the fixing plate 302 through a bearing, and each gear shaft 301a is divided into a driving gear shaft and a driven gear shaft according to a power transmission mode of the driving gear shaft and the driving motor 200, wherein the driving gear shaft is meshed with an output gear of an output shaft of the driving motor 200; the second transmission assembly 304 is further included, the second transmission assembly 304 comprises a gear sleeve 304a, the gear sleeve 304a is of a hollow sleeve structure, transmission teeth meshed with the gear shafts 301a are arranged on the outer peripheral surface of the gear sleeve 304a, when each gear shaft 301a rotates, the gear sleeve 304a is driven to rotate, circumferential positioning of the gear sleeve 304a is achieved through each gear shaft 301a, the gear sleeves 304a are arranged into a plurality of groups, axial positioning of each gear sleeve 304a is achieved through baffle rings 306 located at the end parts of each gear shaft 301a, each baffle ring 306 is fixedly connected with the end parts of the gear shafts 301a, and the outer edges of the baffle rings 306 exceed the transmission tooth shapes of the gear shafts 301a to block the positioning structures of the gear sleeve 304 a.
In the above embodiment, the gear rings 306 are stacked and installed by a plurality of gear sleeves 304a, the gear sleeves 304a are lubricated by an oil film, and in specific use, each gear sleeve 304a is synchronously driven to rotate along with each gear shaft 301a, and the adjacent arrangement of each gear sleeve 304a and the gear rings 306 realize an axial positioning system.
In the above or some embodiments, as shown in fig. 2-4, a gear sleeve 304a is disposed between two fixed discs 302 in a two-way separation manner, a hollow positioning sleeve 304b is further disposed between two gear sleeves 304a, and an axial positioning structure for the gear sleeve 304a is formed by the positioning sleeve 304b and the baffle ring 306.
In the above or some embodiments, two ends of the gear sleeve 304a are detachably and fixedly connected with an annular fixing ring 304c through screws, the surface of the inner ring of the transition ring 304d extends to the center along the radial direction to form a positioning snap ring 304l, the end of the transition ring 304d is detachably and fixedly connected with the fixing ring 304c through the fixing screws, the fixing ring 304c is located above the snap ring 304l and forms a groove body for installing a bevel gear, the fixing ring 304c is further provided with an adjusting hole corresponding to the large end of the bevel gear 304f, the end face of the snap ring 304l is provided with a planar thread 304g, the planar thread 304g forms a spiral chute, the end of each friction roller 304i is provided with a sliding column 304h matched with the spiral chute, and a structure for radially adjusting the snap ring 304l by rotating and adjusting the friction roller 304i is formed. The gear sleeve 304a, the transition ring 304d, the snap ring 304l, the fixed ring 304c, and the friction roller 304i form a driving sleeve structure.
In the above embodiment, when the gear shaft 301a drives the driving sleeve to rotate, the driving sleeve is tightly contacted with the drill rod 305 through the friction roller 304i, when the driving sleeve rotates, the friction force generated by the obliquely arranged friction roller 304i on the drill rod 305 comprises a component force along the axial direction of the drill rod 305, and also comprises a tangential force along the circumferential surface of the drill rod 305, the axial component force is utilized to realize the axial feeding or withdrawing of the drill rod 305, the tangential force is utilized to realize the rotation of the drill rod 305, when the friction force between the friction roller 304i and the drill rod 305 needs to be regulated, the gap between the friction roller 304i and the drill rod 305 can be regulated through the bevel gear 304f, the caliber formed by the friction roller 304i is changed, or the positive pressure between the friction roller 304i and the drill rod 305 is changed, and when the friction roller 304i is regulated, only part of the friction roller 304i can be regulated according to the actual use condition, and only the friction roller 304i at one end can be regulated, so as to realize different stress of the drill rod 305, and obtain better driving effect.
In the above or some embodiments, the plurality of friction rollers 304i arranged in an annular manner includes an inner steel core 304j and an outer friction sleeve 304k, the friction sleeve 304k and the steel core 304j may be made of a replaceable sleeve structure, the friction sleeve 304k may be made of a rubber material, an axis of each friction roller 304i is in a different-plane linear relationship with the rotation axis of the driving sleeve, and an acute angle is formed between the axis of each friction roller 304i and the rotation axis of the driving sleeve, and the angle range is selected to be 30-45 degrees; in order to further enhance the fit between the friction roller and the drill rod, a spiral groove can be formed in the circumferential surface of the drill rod, and the spiral groove is mutually matched with the friction roller.
In the above embodiment, the other end face of the snap ring 304l is provided with a bevel gear to form a surface matched with the bevel gear 304f, the bevel gear is meshed with the surface with the bevel gear of the snap ring 304l, the fixing ring 304c is fixedly connected with the transition ring 304d to form a mounting groove for mounting the snap ring 304l, the fixing ring 304c is provided with a groove body for mounting the bevel gear 304f, the large end of the bevel gear 304f faces to the outside after being fixedly mounted and is provided with an adjusting hole, and the snap ring 304l can be adjusted through the adjusting hole.
Compared with the prior art, the scheme adopts the technical scheme that the acting point of the drill rod is not fixed at a certain position, the component force generated by the friction of the driving sleeve on the drill rod along the axial direction of the drill rod provides the feeding force, the tangential force generated by the friction of the driving sleeve on the drill rod along the circumferential direction of the drill rod provides the rotating force of the drill rod, and finally the driving of the drill rod is realized; in the scheme, when drilling is carried out, the driving motor and the frame part are kept fixed, front and back adjustment is not needed, the track of the scheme is distributed along the horizontal direction of the slope and does not occupy the vertical space, the required space is smaller, the requirement on the space of the scaffold is smaller, and the scheme can directly move along the track to the next drilling point, so that the adjustment and control are convenient; and when the drilling rod that this scheme was used bores the deep hole, can directly peg graft fixed next section drilling rod at the drilling rod tail end, need not dismantle the connection of last section drilling rod, its efficiency is higher than ordinary side slope drilling equipment, has practiced thrift engineering time greatly.
Claims (4)
1. An earth anchor device for geotechnical drilling comprising a drill rod (305), a power motor for providing power for feeding the drill rod (305), a frame (100) for mounting the power motor, and a transmission device (300), wherein the transmission device (300) is configured to be in transmission fit with the power motor through a first transmission assembly (301), a second transmission assembly (304) provided with the drill rod (305) in transmission fit, the first transmission assembly (301) and the second transmission assembly (304) are in transmission fit, a structure for transmitting power to the drill rod (305) through the first transmission assembly (301) and the second transmission assembly (304) is formed, the second transmission assembly (304) comprises an annular driving sleeve which is configured to be sleeved on the outer surface of the drill rod (305) and be in tight contact, the driving sleeve is driven to perform rotary motion around a central axis through the first transmission assembly (301), the driving sleeve is configured to be in rotary and axial feeding structure through friction force, the driving sleeve comprises a plurality of annular rollers (304) which are arranged in transmission fit with the second transmission assembly (304), the driving sleeve comprises a plurality of annular rollers (304) in a sharp angle (i) and a sharp angle (304) between the two end surfaces (304) of each roller (304) and each roller (304), the clamping ring (304 l) and the friction roller (304 i) form spiral fit with a sliding column (304 h) at the end part of the friction roller (304 i) through a plane thread (304 g) positioned at the end surface of the clamping ring (304 l), so that the end part of the friction roller (304 i) of the clamping ring (304 l) is adjusted to move along the radial feeding direction of the clamping ring (304 l); the bevel gear is meshed with the surface with the bevel gear (304 f) of the clamping ring (304 l), the bevel gear further comprises a fixing ring (304 c), the fixing ring (304 c) is positioned above the clamping ring (304 l) and forms a groove body for installing the bevel gear, and the fixing ring (304 c) is further provided with an adjusting hole corresponding to the large end of the bevel gear (304 f); the friction roller comprises friction rollers (304 i), and is characterized by further comprising a hollow gear sleeve (304 a), wherein the gear sleeve (304 a) is sleeved on the outer side of each friction roller (304 i), two ends of the gear sleeve (304 a) are fixedly connected with a transition ring (304 d) respectively, the transition ring (304 d) is detachably and fixedly connected with a fixed ring (304 c), and a cavity structure in which the clamping ring (304 l) slides is formed between the fixed ring (304 c) and the transition ring (304 d); the gear sleeve (304 a) is in driving fit with the first transmission assembly (301).
2. The earth anchor assembly for geotechnical engineering drilling of claim 1, wherein the first transmission assembly (301) comprises a driving gear shaft and a plurality of driven gear shafts, the driving gear shaft and the driven gear shafts are circumferentially distributed outside the gear sleeve (304 a) and meshed with the gear sleeve (304 a), and two ends of each driving gear shaft and each driven gear shaft are rotationally fixed to annular fixing discs (302) at two ends.
3. The ground anchor device for geotechnical engineering drilling according to any one of claims 1 and 2, wherein the frame (100) comprises a track (101) paved along the horizontal direction of a slope, and further comprises an L-shaped movable frame which is positioned above the track (101) and is in rolling fit with the track (101), the movable frame comprises a bottom frame (102) which is horizontally arranged, and further comprises a vertical frame (103) which is fixedly connected with the end part of the bottom frame (102) vertically, an adjusting seat (106) is arranged between the vertical frame (103) and the bottom frame (102), one end of the adjusting seat (106) is in sliding connection with the vertical frame (103), the other end of the adjusting seat (106) is in sliding connection with the bottom frame (102), and an adjusting hydraulic cylinder (105) is arranged between the end part of the adjusting seat (106) connected with the bottom frame (102) and the vertical frame (103).
4. A ground anchor device for geotechnical drilling according to claim 3, characterized in that the drive motor (200) is fixedly mounted on the adjustment seat (106), further comprising a fixing bracket (107), the fixing bracket (107) being configured to fix the relative position of the fixing plate (302) and the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911408195.2A CN113123337B (en) | 2019-12-31 | 2019-12-31 | Ground anchor device for geotechnical engineering drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911408195.2A CN113123337B (en) | 2019-12-31 | 2019-12-31 | Ground anchor device for geotechnical engineering drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113123337A CN113123337A (en) | 2021-07-16 |
| CN113123337B true CN113123337B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911408195.2A Active CN113123337B (en) | 2019-12-31 | 2019-12-31 | Ground anchor device for geotechnical engineering drilling |
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| CN (1) | CN113123337B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4751819B2 (en) * | 2006-12-26 | 2011-08-17 | 積水化学工業株式会社 | Non-open-cut soil improvement method directly under existing structures |
| CN202325225U (en) * | 2011-11-01 | 2012-07-11 | 汪西应 | Railway construction twist drill injection machine |
| CN102587830A (en) * | 2012-03-22 | 2012-07-18 | 四川大学 | Side slope anchoring hole drilling construction equipment and side slope anchoring hole drilling construction method |
| CN203584444U (en) * | 2013-12-11 | 2014-05-07 | 广州市泰基工程技术有限公司 | Efficient and simple roofbolter |
| CN105064911B (en) * | 2015-07-15 | 2017-06-23 | 周兆弟 | The movable drilling rod of cement mixing method piling machine |
| CN207436914U (en) * | 2017-10-31 | 2018-06-01 | 天津中煤机械设备有限公司 | A kind of jumbolter |
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2019
- 2019-12-31 CN CN201911408195.2A patent/CN113123337B/en active Active
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