Slope pre-stressed anchor cable working device

Abstract

The invention provides a slope pre-stressed anchor cable working device which comprises a hydraulic system, a drilling mechanism and a tensioning mechanism, the hydraulic system comprises a first support assembly and a second support assembly, the second support assembly is movably installed on the first support assembly, and the drilling mechanism and the tensioning mechanism are both movably installed on the second support assembly. The drilling mechanism is detachably connected with the tensioning mechanism, drilling, grouting and tensioning during slope pre-stressed anchor cable construction are integrated in a drilling machine, operation is easy, convenient and efficient, the working efficiency can be improved conveniently, the working efficiency of the slope pre-stressed anchor cable can be effectively improved, the labor cost can be reduced, the anchor cable tensioning angle can be accurately adjusted, and the construction efficiency can be improved. And the tension precision of the anchor cable is improved, so that each steel strand can be uniformly stressed.

Description

Technical Field

[0001] The invention relates to the technical field of prestressed anchor cable construction, in particular to a slope prestressed anchor cable working device. Background Art

[0002] Prestressed anchor cable refers to a cable-like support that is anchored in the rock mass by a prestressed method. It is used to reinforce the slope. The anchor cable is anchored into the rock mass through the hole in the weak structural surface of the rock mass by the anchor head, connecting the sliding body with the stable rock layer, thereby changing the stress state of the slope rock mass and improving the integrity and strength of the unstable rock mass of the slope. During the construction of prestressed anchor cables, special tensioning devices and machines are required. Traditional prestressed anchor cable construction usually includes multiple steps such as drilling, anchor cable installation, grouting and tensioning. These steps require different equipment and operation teams to complete in stages.

[0003] At present, the following problems still exist in the existing construction process: 1. The tensioning of prestressed anchor cables on slopes is mostly done manually. Since the jack is heavy and needs to be installed with working anchors, clips, anchor plates, tool anchors and other components, the operation is cumbersome. After the pre-tensioning of the anchor cables, the jack needs to be withdrawn, the clips need to be installed on the working anchors, and then tensioned and locked again. Under smooth conditions, the average tensioning efficiency of prestressed anchor cables on slopes is 0.5 hours per cable. In addition, an operating frame needs to be set up when tensioning prestressed anchor cables on slopes. Anchor cable tensioning is a high-altitude operation and poses a major safety hazard.

[0004] 2. In the existing construction, the construction method is single. Most of the construction steps are to drill holes first, then place anchor cables, then grouting, and finally tension the anchor cables. Each construction step can only be carried out separately. When the construction period is tight, these steps require different equipment and operation teams to be completed in stages. The entire construction process is cumbersome and the construction period is long.

[0005] The object of the present invention is to provide a slope prestressed anchor cable working device to solve the problems mentioned in the above background technology. Summary of the invention

[0006] To achieve the above-mentioned object, the present invention provides a slope prestressed anchor cable working device, comprising a hydraulic system, a drilling mechanism and a tensioning mechanism, wherein the hydraulic system comprises a support assembly 1 and a support assembly 2, wherein the support assembly 2 is movably mounted on the support assembly 1, the drilling mechanism and the tensioning mechanism are both movably mounted on the support assembly 2, and the drilling mechanism is detachably connected to the tensioning mechanism; The drilling mechanism comprises a hollow drill rod, a machine head and a drill bit, one end of the hollow drill rod is detachably connected to the machine head through the tensioning mechanism, and the other end is detachably connected to the drill bit, and the machine head is slidably mounted on the bracket assembly 2; The drilling mechanism also includes a plurality of steel strands and a positioning tube, a plurality of workstation plates are arranged in an array on the outer wall of the positioning tube, each of the workstation plates is provided with a plurality of workstation holes, a plurality of the steel strands are sequentially installed in each of the workstation holes, the steel strands are locked and fixed with the workstation plates, the ends of the plurality of steel strands are combinedly connected with a plug connector, and the other end is provided with a connector, a plug slot matching the plug connector is provided inside the drill bit, and the connector is detachably connected to the end of the hollow drill rod; The tensioning mechanism includes a jack, a slider, a slide seat, a transmission mechanism and a driving cylinder. The slider is slidably installed on the bracket component 2, the slider is connected to the driving cylinder, the telescopic end of the driving cylinder is connected to the bracket component 2, the transmission mechanism is installed on the slide seat, and a clamp is installed on the transmission mechanism. The clamp is used to clamp the jack, and the clamp can be used as a positioning support frame for the hollow drill rod when the drilling mechanism is drilling.

[0007] As a further improvement of the present invention, the support assembly 1 includes a drill arm, a base and a drill cylinder, one end of the drill arm is rotatably mounted on the base, and the other end is connected to the lifting end of the drill cylinder, the drill cylinder is connected to one end of the top surface of the base through a triangular steel, a fixed plate is installed at the end of the drill arm near the drill cylinder, and the support assembly 2 is rotatably connected to the fixed plate.

[0008] As a further improvement of the present invention, the second bracket assembly includes a frame arm and a clamping plate, the clamping plate is installed at the bottom end of the frame arm, the clamping plate is rotatably connected to the fixed plate by a pin shaft, and a frame cylinder is also installed on the drilling rig arm, the lifting end of the frame cylinder is connected to the bottom of one end of the frame arm away from the clamping plate, a machine head is slidably installed on the frame arm, the machine head is detachably connected to the tensioning mechanism, the slider of the tensioning mechanism is slidably installed on the end of the frame arm, and a limit plate is also provided on the frame arm, and the telescopic end of the driving cylinder is connected to the limit plate.

[0009] As a further improvement of the present invention, the transmission mechanism includes an angle control cylinder and multiple springs, the angle control cylinder is installed at one end of the top surface of the slide, the multiple springs are evenly distributed on the slide and connected to the bottom of the clamp, fixed hinges are symmetrically provided on both sides of the slide, and the clamp is rotatably installed on the fixed hinges.

[0010] As a further improvement of the present invention, the clamp includes a mounting plate, a clamping cylinder, a clamping block 1, a clamping block 2 and a socket, a plurality of the springs are distributed at the four corners of the bottom of the mounting plate, the socket is mounted on the mounting plate, and the clamping block 1 is mounted on the socket, the clamping block 2 is rotatably connected to the bottom end of the clamping block 1, the outer wall of the clamping block 2 is mounted on a connecting plate, the bottom of the connecting plate away from the clamping block 2 is movably connected to the telescopic end of the clamping cylinder, the clamping cylinder is mounted on the mounting plate, and an inclinometer is also provided at the bottom of the mounting plate.

[0011] As a further improvement of the present invention, the clamp also includes a rotating seat, which is rotatably mounted on the mounting plate. The rotating seat includes a motor and a top plate. The motor is arranged at the bottom of the mounting plate. A bearing is fixedly installed at the center of the mounting plate. The bottom of the top plate is fixedly connected to the top of the inner ring of the bearing. The bottom of the inner ring of the bearing is fixedly connected to the output end of the motor. The clamping cylinder and the receiving seat are both installed on the top of the top plate.

[0012] As a further improvement of the present invention, the end of the hollow drill rod is provided with an external thread, a connector is connected via the external thread, and the end of the drill bit is provided with an insertion rod plugged into the connector.

[0013] As a further improvement of the present invention, the connecting part includes a threaded sleeve, a positioning groove and a positioning head. The interior of the threaded sleeve is divided into a first cavity and a second cavity. The first cavity and the second cavity are not connected to each other. The outer walls at both ends of the jack are provided with external threaded walls. The first cavity is connected to the outer wall of one end of the jack through a thread, and the other end of the jack is connected to the machine head. The positioning groove is arranged inside the second cavity. The positioning head and the steel strand are fastened and fixed by steel wire. The positioning head matches the shape of the positioning groove. The inner wall of the second cavity is also provided with a thread, which is connected and fixed to the threaded outer wall of the hollow drill rod toward the end.

[0014] As a further improvement of the present invention, a grouting hole is opened on the outer wall of one end of the hollow drill rod close to the jack, and the grouting hole is connected to the internal cavity of the hollow drill rod. The grouting hole is used to connect with a grouting pipe to transport anchoring agent into the hole.

[0015] As a further improvement of the present invention, one end of the jack is also connected to a vibrating wire anchor meter.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention installs the tensioning mechanism on the support component 2 of the hydraulic system, and can control the tensioning mechanism to tension the anchor cable through the transmission mechanism on the support component 2, and adjust the tensioning mechanism through the transmission component, so as to accurately adjust the tensioning angle of the anchor cable, improve the accuracy of the anchor cable tensioning, and enable each steel strand to be evenly stressed.

[0017] The present invention can integrate the drilling, grouting and tensioning during the construction of prestressed anchor cables for slopes into one drilling machine when the construction period is tight, connect the anchor cable to the drill bit, drill the hole together with the hollow drill rod and the drill bit, and then grout the inside while withdrawing the hollow drill rod from the hole to complete the integrated operation of drilling, installing the anchor cable and grouting. The operation is simple, convenient and efficient, which is convenient to improve work efficiency, can effectively improve the work efficiency of prestressed anchor cables for slopes, and reduce labor costs. Furthermore, when the construction period is loose, the drilling can be carried out first, and then the anchor cable and grouting can be installed. During the anchor cable installation and grouting process, the hollow drill rod and the drill bit can be taken out from the tensioning mechanism, and the machine head can be separated from the tensioning mechanism and returned to the initial position of the bracket component two, so that the subsequent tensioning mechanism can use the transmission mechanism on the bracket component two to tension the anchor cable. The flexibility of the use of the device can be improved by selecting the two methods, which is convenient to adapt to different construction needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 The hollow drill rod and the steel strand separation diagram of the present invention Figure 3 It is a schematic diagram of the non-drilling mechanism of the present invention; Figure 4 It is a schematic diagram of the tensioning mechanism without a rotating seat of the present invention; Figure 5 It is a schematic diagram of the structure of the clamp and the rotating seat of the present invention; Figure 6 It is a schematic diagram of the connection structure between the jack and the clamp of the present invention; Figure 7 For the present invention Figure 5 Separate diagram of each component.

[0019] In the figure: 1, bracket assembly 1; 11, drilling arm; 12, base; 13, drilling cylinder; 2, bracket assembly 2; 21, stand arm; 22, clamping plate; 23, stand cylinder; 3, drilling mechanism; 31, machine head; 32, hollow drill rod; 33, drill bit; 34, steel strand; 35, positioning tube; 36, work station plate; 37, connector; 38, plug rod; 39, plug connector; 4, threaded sleeve; 41, positioning head; 5 , tensioning mechanism; 51, jack; 52, slider; 53, slide seat; 54, driving cylinder; 55, vibrating string anchor meter; 6, transmission mechanism; 61, angle control cylinder; 62, spring; 63, fixed hinge; 7, clamp; 71, mounting plate; 72, clamping cylinder; 73, clamping block 1; 74, clamping block 2; 75, receiving seat; 76, inclinometer; 8, rotating seat; 81, motor; 82, bearing; 83, top plate. DETAILED DESCRIPTION

[0020] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0022] The present invention is further described in detail below in conjunction with the accompanying drawings. Example 1

[0023] See also Figure 1-7 The present invention provides a slope prestressed anchor cable working device, including a hydraulic system, a drilling mechanism 3 and a tensioning mechanism 5, wherein the hydraulic system includes a support assembly 1 and a support assembly 2, wherein the support assembly 2 is movably mounted on the support assembly 1, the drilling mechanism 3 and the tensioning mechanism 5 are both movably mounted on the support assembly 2, and the drilling mechanism 3 is detachably connected to the tensioning mechanism 5; like Figure 1-2 As shown, the drilling mechanism 3 includes a hollow drill rod 32, a machine head 31 and a drill bit 33. One end of the hollow drill rod 32 is detachably connected to the machine head 31 through the tensioning mechanism 5, and the other end is detachably connected to the drill bit 33. The machine head 31 is slidably mounted on the bracket assembly 2; When in use, first connect one end of the hollow drill rod 32 to the tensioning mechanism 5, the tensioning mechanism 5 is connected to the machine head 31 slidably installed on the bracket component 2, and then the drill bit 33 is installed on the other end of the hollow drill rod 32, and then prepare for drilling, drive the drill bit 33 on the hollow drill rod 32 with the machine head 31 to drill, and slide the machine head 31 on the bracket component 2 during the screwing process, after the drilling is completed, put the prepared anchor cable and grouting pipe into the hole for grouting, during the grouting process, remove the hollow drill rod 32 from the tensioning mechanism 5, and then remove and separate the machine head 31 from the tensioning mechanism 5, the machine head 31 returns to the initial position on the bracket component 2, and then the tensioning mechanism 5 on the bracket component 2 is connected to the anchor cable, and tensioning is performed with the help of the bracket component 2, which can accurately adjust the anchor cable tensioning angle and improve the accuracy of anchor cable tensioning. Example 2

[0024] like Figure 1-2 As shown, in the first embodiment, since the anchor cable is installed after the drilling is completed and the hollow drill rod 32 and the drill bit 33 are withdrawn from the hole, when the construction period is tight, in order to simplify the construction process and improve work efficiency, the following further improvements are proposed. Different from the first embodiment, the drilling mechanism 3 also includes a plurality of steel strands 34 and a positioning tube 35. A plurality of workstation plates 36 are arranged in an array on the outer wall of the positioning tube 35. Each of the workstation plates 36 is provided with a plurality of workstation holes. The plurality of steel strands 34 are sequentially installed in each of the workstation holes. The steel strands 34 are locked and fixed with the workstation plates 36. The end combination of the plurality of steel strands 34 is connected with a plug connector 39, and the other end is provided with a connector. The drill bit 33 is provided with a plug slot matching the plug connector 39, and the connector is detachably connected to the end of the hollow drill rod 32. The end of the hollow drill rod 32 is provided with an external thread, and a connector 37 is connected through the external thread. The end of the drill bit 33 is provided with an insertion rod 38 plugged into the connector 37. The connector 37 facilitates the insertion of the insertion rod 38 on the drill bit 33. The insertion rod 38 on the drill bit 33 and the connector 37 are both existing technologies, so they will not be described in detail here.

[0025] A grouting hole is provided on the outer wall of one end of the hollow drill rod 32 close to the jack 51 . The grouting hole is connected to the inner cavity of the hollow drill rod 32 . The grouting hole is used to connect to a grouting pipe to transport an anchoring agent into the hole. ‌ When in use, a detachable drill bit 33 is provided at the end of the hollow drill rod 32, and the steel strand 34 is tied together with the positioning tube 35 and inserted into the middle hole drill rod. The end is plugged and fixed with the plug-in slot inside the drill bit 33 through the plug-in connector 39. A limiting slot is provided on the outer wall of the plug-in connector 39, and a movable slot is provided on the inner wall of the plug-in slot of the drill bit 33. A limiting steel ball connected by an elastic member is installed in the movable slot. When the plug-in connector 39 is inserted into the drill bit 33, the limiting steel ball limits the limiting slot on the outer wall of the plug-in connector 39 to prevent the plug-in connector 39 from being separated from the drill bit 33. In this embodiment, the positioning tube 35 and the work station plate 36 are used The steel strands 34 are evenly distributed and quickly fastened and fixed, thereby simplifying the construction process and shortening the construction time. The positioning tubes 35 and the workstation plates 36 can ensure the accurate position of the steel strands 34, avoid crossing and confusion between the strands, and thus ensure the overall quality and performance of the anchor cable. The steel strands 34 are fastened and fixed on the workstation mounting plate 71, reducing the risk of loosening and falling off during construction, thereby enhancing the safety of construction. Grouting holes are set on the hollow drill rod 32, which is convenient for grouting when the drill rod is withdrawn from the hole groove after drilling is completed, simplifying the construction process and improving construction efficiency.

[0026] In this embodiment, since the drill bit 33 and the steel strand 34 are smoothly delivered into the hole at one time, the process of inserting the steel strand 34 later is reduced, and the situation that the pull rod sometimes cannot be smoothly inserted into the hole is overcome. The grouting is completed at one time when the drill tool withdraws from the hole, which is convenient to operate and improves the construction speed. The drill bit 33 adopts a spiral drill bit 33. During the drilling process, rock chips, soil, stones, etc. rise along the spiral blades, reducing the cleaning work, simplifying the construction process, and speeding up the construction to save construction time. The design of the spiral drill bit 33 enables it to easily penetrate various strata during the construction process, whether it is soft soil, sandy soil or hard rock, it can effectively drill. It has a simple structure and is easy to operate, which reduces the complex operations during the construction process, thereby simplifying the construction process. Example 3

[0027] like Figure 1 , Figure 3 As shown, the tensioning mechanism 5 includes a jack 51, a slider 52, a slide seat 53, a transmission mechanism 6 and a driving cylinder 54. The slider 52 is slidably installed on the bracket component 2. The slider 52 is connected to the driving cylinder 54. The telescopic end of the driving cylinder 54 is connected to the bracket component 2. The transmission mechanism 6 is installed on the slide seat 53. A clamp 7 is installed on the transmission mechanism 6. The clamp 7 is used to clamp the jack 51. The clamp 7 can be used as a positioning support frame for the hollow drill rod 32 when the drilling mechanism 3 is drilling.

[0028] During grouting, the hollow drill rod 32 is withdrawn from the hole while cement slurry is transported into the hollow drill rod 32 to anchor the hole. When the entire hollow drill rod 32 is withdrawn from the anchor hole, the threaded sleeve 4 on the jack 51 is separated from the hollow drill rod 32, and then the end of the jack 51 connected to the machine head 31 is separated, and the machine head 31 returns to the initial end, and then the jack 51 is connected to the tensioning working section of the steel strand 34 for tensioning. After the jack 51 is connected to the steel strand 34, it is clamped and fixed by the clamp 7, which is convenient for the subsequent jack 51 to tension the steel strand 34. Under the action of the driving cylinder 54 pushing and pulling the slider 52, the jack 51 can adjust its position on the bracket assembly 2, thereby improving the accuracy of the installation of the jack 51. Example 4

[0029] like Figure 1 As shown, the support assembly 1 includes a drilling arm 11, a base 12 and a drilling cylinder 13. One end of the drilling arm 11 is rotatably mounted on the base 12, and the other end is connected to the jacking end of the drilling cylinder 13. The drilling cylinder 13 is connected to one end of the top surface of the base 12 through a triangular steel. A fixing plate is installed near the end of the drilling arm 11 near the drilling cylinder 13, and the support assembly 2 is rotatably connected to the fixing plate.

[0030] The support assembly 2 includes a frame arm 21 and a clamping plate 22, the clamping plate 22 is installed at the bottom end of the frame arm 21, the clamping plate 22 is rotatably connected to the fixed plate through a pin shaft, and a frame cylinder 23 is also installed on the drilling rig arm 11, the lifting end of the frame cylinder 23 is connected to the bottom of one end of the frame arm 21 away from the clamping plate 22, a head 31 is slidably installed on the frame arm 21, and the head 31 is detachably connected to the tensioning mechanism 5, the slider 52 of the tensioning mechanism 5 is slidably installed at the end of the frame arm 21, and a limit plate is also provided on the frame arm 21, and the telescopic end of the driving cylinder 54 is connected to the limit plate.

[0031] The height of the drill arm 11 is controlled by the drill cylinder 13 in the bracket assembly 1, and the frame cylinder 23 in the bracket assembly 2 can control the clamping plate 22 on the frame arm 21 to rotate around the fixed plate on the drill arm 11, thereby adjusting the inclination angle of the drilling mechanism 3 to facilitate matching with the design of the slope anchor cable installation hole and improve the accuracy of construction. In this embodiment, the design of the limit plate can provide a fulcrum for the driving cylinder 54, but will not hinder the drilling of the drill. Example 5

[0032] like Figure 3-7As shown, the transmission mechanism 6 includes an angle control cylinder 61 and a plurality of springs 62. The angle control cylinder 61 is installed at one end of the top surface of the slide 53. The plurality of springs 62 are evenly distributed on the slide 53 and connected to the bottom of the clamp 7. Fixed hinges 63 are symmetrically provided on both sides of the slide 53, and the clamp 7 is rotatably installed on the fixed hinges 63.

[0033] Through the angle control cylinder 61 in the transmission mechanism 6, the angle of the jack 51 can be fine-tuned individually, thereby improving the accuracy of the adjustment. When the angle control cylinder 61 pushes the clamp 7 to move up and down as a whole, the clamp 7 rotates around the fixed hinge 63. At this time, the spring 62 connected to the clamp 7 on the same side as the angle control cylinder 61 is stretched, and the spring 62 on the other side is compressed. The setting of the spring 62 can improve the stability of the clamp 7 during the adjustment process. Example 6

[0034] like Figure 3-4 As shown, the clamp 7 includes a mounting plate 71, a clamping cylinder 72, a clamping block 1 73, a clamping block 2 74 and a receiving seat 75, a plurality of the springs 62 are distributed at the four bottom corners of the mounting plate 71, the receiving seat 75 is mounted on the mounting plate 71, and the clamping block 1 73 is mounted on the receiving seat 75, the clamping block 2 74 is rotatably connected to the bottom end of the clamping block 1 73, the outer wall of the clamping block 2 74 is mounted on a connecting plate, the bottom of one end of the connecting plate away from the clamping block 2 74 is movably connected to the telescopic end of the clamping cylinder 72, the clamping cylinder 72 is mounted on the mounting plate 71, and an inclinometer 76 is also provided at the bottom of the mounting plate 71.

[0035] When the jack 51 is clamped, the jack 51 is placed in the clamp block 1 73 and supported by the receiving seat 75, and then the clamp block 2 74 is pushed to move around the axis in the direction of the clamp block 1 73 by the clamping cylinder 72 until the jack 51 is clamped and fixed. By arranging an inclinometer 76 at the bottom of the mounting plate 71, it is convenient to reflect the tensioning angle of the anchor cable in real time. Example 7

[0036] On the basis of the first embodiment, in this embodiment, Figure 6-7 As shown, the clamp 7 also includes a rotating seat 8, which is rotatably mounted on the mounting plate 71. The rotating seat 8 includes a motor 81 and a top plate 83. The motor 81 is arranged at the bottom of the mounting plate 71. A bearing 82 is fixedly installed at the center of the mounting plate 71. The bottom of the top plate 83 is fixedly connected to the top of the inner ring of the bearing 82. The bottom of the inner ring of the bearing 82 is fixedly connected to the output end of the motor 81. The clamping cylinder 72 and the receiving seat 75 are both installed on the top of the top plate 83.

[0037] When in use, the top plate 83 is driven to rotate by the motor 81, so that the jack 51 in the clamp 7 on the top plate 83 rotates accordingly, and the left and right angles of the jack 51 are adjusted to achieve precise centering and tensioning of the anchor cable, thereby avoiding undesirable phenomena such as uneven force on the steel strand 34. In this embodiment, a bearing 82 is arranged at the center of the mounting plate 71 to reduce the friction of the top plate 83 during rotation.

[0038] The connecting piece includes a threaded sleeve 4, a positioning groove and a positioning head 41. The interior of the threaded sleeve 4 is divided into a first cavity and a second cavity. The first cavity and the second cavity are not connected to each other. The outer walls at both ends of the jack 51 are provided with external threaded walls. The first cavity is connected to the outer wall of one end of the jack 51 through a thread, and the other end of the jack 51 is connected to the machine head 31. The positioning groove is arranged inside the second cavity. The positioning head 41 and the steel strand 34 are fastened and fixed by steel wire. The positioning head 41 matches the shape of the positioning groove. The inner wall of the second cavity is also provided with a thread, which is connected and fixed to the threaded outer wall of the hollow drill rod 32 toward the end.

[0039] In this embodiment, external threaded walls are provided on the outer walls at both ends of the jack 51 to facilitate assembly and disassembly with the hollow drill rod 32 and the machine head 31, and the interior of the threaded sleeve 4 is arranged into two first cavities and a second cavity that are not connected to each other. When the hollow drill rod 32 is connected to the second cavity of the threaded sleeve 4, the positioning head 41 tied on the steel strand 34 can be tightly fixed with the positioning groove. Since the shape of the positioning head 41 matches that of the positioning groove, the positioning head 41 is prevented from shaking in the positioning groove, thereby improving the stability of the steel strand 34 in the hollow drill rod 32. At the same time, the second cavity can also be used as a plug to prevent the slurry from flowing back into the jack 51 during grouting, thereby protecting the jack 51.

[0040] One end of the jack 51 is also connected to a vibrating-string anchor cable meter 55, which reflects the tension stress of the anchor cable in real time. The vibrating-string anchor cable meter 55 is installed on the inner side of the tool anchor, close to the anchor cable hole. When the prestressed anchor cable is tensioned, the steel strand 34 is interspersed with the anchor plate, working anchor, limit plate, through-type jack 51, vibrating-string anchor cable meter 55, and working anchor in sequence from the inside to the outside.

[0041] The above is an exemplary description of the present invention in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A slope prestressed anchor cable working device, characterized in that: The invention comprises a hydraulic system, a drilling mechanism (3) and a tensioning mechanism (5), wherein the hydraulic system comprises a support assembly 1 (1) and a support assembly 2 (2), wherein the support assembly 2 (2) is movably mounted on the support assembly 1 (1), and the drilling mechanism (3) and the tensioning mechanism (5) are both movably mounted on the support assembly 2 (2), and the drilling mechanism (3) and the tensioning mechanism (5) are detachably connected; The drilling mechanism (3) comprises a hollow drill rod (32), a machine head (31) and a drill bit (33); one end of the hollow drill rod (32) is detachably connected to the machine head (31) via the tensioning mechanism (5), and the other end is detachably connected to the drill bit (33); the machine head (31) is slidably mounted on the second bracket assembly (2); The drilling mechanism further comprises a plurality of steel strands (34) and a positioning tube (35); a plurality of workstation plates (36) are arranged in an array on the outer wall of the positioning tube (35); each of the workstation plates (36) is provided with a plurality of workstation holes; the plurality of steel strands (34) are sequentially installed in each of the workstation holes; the steel strands (34) are locked and fixed to the workstation plates (36); the ends of the plurality of steel strands (34) are combinedly connected with a plug connector (39); the other ends are provided with a connecting piece; a plug connector matching the plug connector is provided inside the drill bit; the connecting piece is detachably connected to the end of the hollow drill rod (32); The tensioning mechanism (5) comprises a jack (51), a slider (52), a slide seat (53), a transmission mechanism (6) and a driving cylinder (54); the slider (52) is slidably mounted on the second support assembly (2); the slider (52) is connected to the driving cylinder (54); the telescopic end of the driving cylinder (54) is connected to the second support assembly (2); the transmission mechanism (6) is mounted on the slide seat (53); a clamp (7) is mounted on the transmission mechanism (6); the clamp (7) is used to clamp the jack (51); and the clamp (7) can serve as a positioning support frame for the hollow drill rod (32) when the drilling mechanism (3) is drilling.

2. A slope prestressed anchor cable working device according to claim 1, characterized in that: The support assembly 1 (1) comprises a drilling arm (11), a base (12) and a drilling cylinder (13); one end of the drilling arm (11) is rotatably mounted on the base (12), and the other end is connected to the lifting end of the drilling cylinder (13); the drilling cylinder (13) is connected to one end of the top surface of the base (12) via a triangular steel; a fixing plate is installed at the end of the drilling arm (11) close to the drilling cylinder (13), and the support assembly 2 (2) is rotatably connected to the fixing plate.

3. A slope prestressed anchor cable working device according to claim 2, characterized in that: The support assembly 2 (2) comprises a stand arm (21) and a clamping plate (22), wherein the clamping plate (22) is mounted at one end of the bottom of the stand arm (21), and the clamping plate (22) is rotatably connected to the fixing plate via a pin shaft. A stand cylinder (23) is also mounted on the drilling rig arm (11), and the lifting end of the stand cylinder (23) is connected to the bottom of one end of the stand arm (21) away from the clamping plate (22). A head (31) is slidably mounted on the stand arm (21), and the head (31) is detachably connected to the tensioning mechanism (5). The slider (52) of the tensioning mechanism (5) is slidably mounted on the end of the stand arm (21). A limit plate is also provided on the stand arm (21), and the telescopic end of the driving cylinder (54) is connected to the limit plate.

4. A slope prestressed anchor cable working device according to claim 1, characterized in that: The transmission mechanism (6) comprises an angle control cylinder (61) and a plurality of springs (62); the angle control cylinder (61) is mounted on one end of the top surface of the slide seat (53); the plurality of springs (62) are evenly distributed on the slide seat (53) and connected to the bottom of the clamp (7); fixed hinges (63) are symmetrically provided on both sides of the slide seat (53); and the clamp (7) is rotatably mounted on the fixed hinges (63).

5. A slope prestressed anchor cable working device according to claim 4, characterized in that: The clamp (7) comprises a mounting plate (71), a clamping cylinder (72), a clamping block 1 (73), a clamping block 2 (74) and a receiving seat (75). The plurality of springs (62) are distributed at the four corners of the bottom of the mounting plate (71). The receiving seat (75) is mounted on the mounting plate (71), and the clamping block 1 (73) is mounted on the receiving seat (75). The clamping block 2 (74) is rotatably connected to the bottom end of the clamping block 1 (73). The outer wall of the clamping block 2 (74) is mounted on a connecting plate. The bottom of one end of the connecting plate away from the clamping block 2 (74) is movably connected to the telescopic end of the clamping cylinder (72). The clamping cylinder (72) is mounted on the mounting plate (71). An inclinometer (76) is also provided at the bottom of the mounting plate (71).

6. A slope prestressed anchor cable working device according to claim 5, characterized in that: The clamp (7) further comprises a rotating seat (8), wherein the rotating seat (8) is rotatably mounted on the mounting plate (71), and the rotating seat (8) comprises a motor (81) and a top plate (83), wherein the motor (81) is arranged at the bottom of the mounting plate (71), and a bearing (82) is fixedly mounted at the center of the mounting plate (71), wherein the bottom of the top plate (83) is fixedly connected to the top of the inner ring of the bearing (82), and the bottom of the inner ring of the bearing (82) is fixedly connected to the output end of the motor (81), and the clamping cylinder (72) and the receiving seat (75) are both mounted on the top of the top plate (83).

7. A slope prestressed anchor cable working device according to claim 1, characterized in that: The end of the hollow drill rod (32) is provided with an external thread, and a connector (37) is connected via the external thread. The end of the drill bit (33) is provided with an insertion rod (38) that is plugged into the connector (37).

8. The slope prestressed anchor cable working device according to claim 1, characterized in that: The connecting member comprises a threaded sleeve (4), a positioning groove and a positioning head (41); the interior of the threaded sleeve (4) is divided into a first cavity and a second cavity; the first cavity and the second cavity are not connected to each other; the outer walls at both ends of the jack (51) are provided with external threaded walls; the first cavity is connected to the outer wall of one end of the jack (51) by means of a thread; the other end of the jack (51) is connected to the machine head (31); the positioning groove is arranged inside the second cavity; the positioning head (41) and the steel strand (34) are fastened and fixed by means of a steel wire; the positioning head (41) matches the shape of the positioning groove; the inner wall of the second cavity is also provided with a thread, which is connected and fixed to the threaded outer wall of the hollow drill rod (32) facing the end.

9. A slope prestressed anchor cable working device according to claim 1, characterized in that: A grouting hole is provided on the outer wall of one end of the hollow drill rod (32) close to the jack (51), the grouting hole is in communication with the internal cavity of the hollow drill rod (32), and the grouting hole is used to connect to a grouting pipe to transport an anchoring agent into the hole.

10. A slope prestressed anchor cable working device according to claim 8, characterized in that: One end of the jack (51) is also connected to a vibrating wire anchor meter (55).

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