CN113174946B - Prestressed anchor cable structure and prestressed anchor cable construction method - Google Patents
Prestressed anchor cable structure and prestressed anchor cable construction method Download PDFInfo
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- CN113174946B CN113174946B CN202110561379.3A CN202110561379A CN113174946B CN 113174946 B CN113174946 B CN 113174946B CN 202110561379 A CN202110561379 A CN 202110561379A CN 113174946 B CN113174946 B CN 113174946B
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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Abstract
The application relates to a prestressed anchor cable structure and a prestressed anchor cable construction method, which comprises an anchor cable and a grouting pipe, wherein an anchor cable hole is formed in a soil layer, parts of the anchor cable and the grouting pipe are respectively positioned in the anchor cable hole, the end part of the anchor cable is fixedly connected with a fixed block, an inner cavity is formed in the fixed block, a plurality of strip-shaped holes are formed in the inner side wall of the inner cavity, a fixed assembly is arranged in the inner cavity and comprises a movable plate, a first spring and a plurality of inclined rods, the movable plate is slidably connected with the inner side wall of the inner cavity, the plurality of inclined rods and the plurality of strip-shaped holes are arranged in a one-to-one correspondence mode, one end of each inclined rod is hinged to the movable plate, the other end of each inclined rod can penetrate through the strip-shaped hole to be abutted against the inner wall of the anchor cable hole, one end of the first spring is fixedly connected to the bottom wall of the inner cavity, and the other end of the first spring is fixedly connected to the movable plate; the inner cavity is internally provided with a first pushing assembly used for pushing the moving plate to move, and a second pushing assembly used for changing the inclination angle of the inclined rod is arranged in the inner cavity corresponding to each inclined rod.
Description
Technical Field
The application relates to the technical field of civil construction, in particular to a prestressed anchor cable structure and a prestressed anchor cable construction method.
Background
In general fields with complex geological conditions, the high slope is supported in a mode of pre-stressed anchor cables and lattice beams so as to ensure the stability of the roadbed high slope. The pre-stressed anchor cable needs to be grouted through a pre-buried grouting pipe after being installed, cement mortar is adopted for grouting, the construction mix proportion is determined after test comparison and selection, and grouting needs to be supplemented if primary grouting is not full or sedimentation is generated after grouting until the grouting is full.
The related technology can refer to the Chinese patent application with the publication number of CN110453695A, which discloses a prestressed anchor cable structure and a prestressed anchor cable one-time grouting construction method, comprising anchor cable holes arranged in a soil layer; the anchor cable hole is internally provided with an anchor cable and a grouting pipe which is arranged at an interval with the anchor cable, and the tail part of the anchor cable extends out of the anchor cable hole; the anchor cable is a wire bundle consisting of a plurality of steel strands; a plurality of steel pipes which are arranged at intervals and side by side are arranged in the interval of the anchoring section, the steel pipes are coaxially arranged, each steel strand is arranged along the outer wall of each steel pipe so as to be isolated, and a first fastening ring is arranged on the periphery of each steel strand and used for fastening the steel strands to the steel pipes; and the steel strands between any two steel pipes are separately bundled and the periphery of the steel strands is fastened by a second fastening ring.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the grouting pipe needs to be gradually drawn out in the grouting process, however, the anchor cable may be dragged to move simultaneously in the process of drawing the grouting pipe, so that the stability of the anchor cable in the grouting process is affected.
Disclosure of Invention
In order to facilitate the tip with the anchor rope to be fixed in the anchor rope hole, on the one hand, this application provides a prestressed anchorage cable structure, adopts following technical scheme:
a prestressed anchor cable structure comprises an anchor cable and a grouting pipe, wherein an anchor cable hole is formed in a soil layer, the anchor cable and the grouting pipe are partially positioned in the anchor cable hole, the end part of the anchor cable is fixedly connected with a fixed block, an inner cavity is formed in the fixed block, a plurality of strip-shaped holes are formed in the inner side wall of the inner cavity, a fixed assembly is arranged in the inner cavity and comprises a movable plate, a first spring and a plurality of inclined rods, the movable plate is connected with the inner side wall of the inner cavity in a sliding mode, the inclined rods and the strip-shaped holes are arranged in a one-to-one correspondence mode, one end of each inclined rod is hinged to the movable plate, the other end of each inclined rod can penetrate through the strip-shaped hole to be abutted to the inner wall of the anchor cable hole, one end of the first spring is fixedly connected to the bottom wall of the inner cavity, and the other end of the first spring is fixedly connected to the movable plate; the inner cavity is internally provided with a first pushing assembly used for pushing the moving plate to move, and a second pushing assembly used for changing the inclination angle of the inclined rod is arranged in the inner cavity corresponding to each inclined rod.
Through adopting above-mentioned technical scheme, in order to be convenient for be fixed in the anchor rope downthehole with the anchor rope, remove the effect of first promotion subassembly to the movable plate earlier, this moment under the elastic force effect of first spring, make first spring promote the movable plate and remove, the movable plate removes the tip that drives a plurality of down tubes and be close to the movable plate and removes, the effect of rethread second promotion subassembly this moment, change the inclination of down tube, be convenient for make the tip that the down tube kept away from the movable plate pass the outside that the bar hole removed to the fixed block, thereby make a plurality of down tubes can support the inside wall in tight anchor rope hole, reach the purpose of fixed block, and then be convenient for with being fixed in the anchor rope downthehole of anchor rope.
Preferably, the first pushing assembly comprises a pushing plate, a pushing post and a second spring, the pushing plate is slidably connected to the inner side wall of the inner cavity, the pushing post is fixedly connected to the bottom side of the pushing plate, the pushing post can be abutted to the moving plate, one end of the second spring is fixedly connected to the pushing plate, and the other end of the second spring is fixedly connected to the top wall of the inner cavity; the grouting pipe penetrates through the top wall of the inner cavity, the grouting pipe is in threaded connection with the fixed block, and the grouting pipe is abutted to the push plate.
By adopting the technical scheme, in the process of mounting the grouting pipe on the fixed block, the end part of the grouting pipe is moved into the inner cavity by rotating the grouting pipe, the grouting pipe moves to push the push plate to move, the push plate moves to drive the push column to move, and the push column can be abutted against the movable plate in the moving process, so that the push column pushes the movable plate to move, and the purpose of pushing the movable plate to move is achieved; when the action of the first pushing assembly on the moving plate needs to be removed, the grouting pipe is separated from the fixed block by rotating the grouting pipe, the second spring pulls the push plate to move in the direction away from the moving plate due to the elastic action of the second spring in the process that the grouting pipe is separated from the fixed block, and the push plate moves to drive the push column to move, so that the action of the first pushing assembly on the moving plate is removed.
Preferably, a plurality of guide rods are fixedly connected to the inner cavity corresponding to a plurality of groups of second pushing assemblies, the moving plate is simultaneously in sliding connection with the guide rods, each second pushing assembly comprises a pushing block, a guide wheel, a third spring and a supporting frame, each supporting frame comprises a vertical plate and a horizontal plate, the vertical plates are fixedly connected to the guide rods, and the horizontal plates are fixedly connected to the vertical plates; the guide wheel is rotatably connected to the inner side wall of the inner cavity, and the peripheral surface of the guide wheel abuts against the inclined rod; the pushing block is connected to the horizontal plate in a sliding mode and is abutted against the inclined rod, one end of the third spring is fixedly connected to the pushing block, and the other end of the third spring is fixedly connected to the vertical plate; and a traction piece for simultaneously pushing the two push blocks to move is arranged in the inner cavity.
Through adopting above-mentioned technical scheme, in order to facilitate the tip that promotes the down tube to remove to the outside of fixed block, at the in-process that the movable plate removed, the effort of tractive spare to the ejector pad was removed, and at this moment under the elastic force effect of third spring, the third spring promotes the ejector pad and removes, and the ejector pad removes and promotes the down tube, and under the effect of guide pulley, reach the purpose of being convenient for change down tube inclination simultaneously.
Preferably, the pulling part is a traction rope, two vertical plates are respectively penetrated at two ends of the traction rope, two ends of the traction rope are respectively fixedly connected with the two pushing blocks, and the pushing columns can be connected with the traction rope in an abutting mode.
Through adopting above-mentioned technical scheme, at the in-process that the pushing column moved to being close to the movable plate direction, pushing column and tractive rope looks butt to make the pushing column can promote the haulage rope mid portion and remove, the in-process that haulage rope mid portion removed. The end parts at the two ends of the traction rope are close to the middle part, so that the traction rope can simultaneously pull the two push blocks to move.
Preferably, the fixed block is further provided with a sliding cavity, and the bottom side of the sliding cavity is provided with a sliding hole; the fixed block is provided with a butting device, the butting device comprises a butting block, a sliding column, a limiting plate and a fourth spring, the limiting plate is connected to the inner side wall of the sliding cavity in a sliding mode, the sliding column is fixedly connected to the limiting plate, the sliding column is connected to the inner side wall of the sliding hole in a sliding mode, the butting block is fixedly connected to one end, far away from the limiting plate, of the sliding column, and the butting block is in butting connection with the bottom wall of the anchor cable hole; one end of the fourth spring is fixedly connected to the top wall of the sliding cavity, and the other end of the fourth spring is fixedly connected to the limiting plate; the abutting device further comprises a limiting mechanism used for fixing the limiting plate.
Through adopting above-mentioned technical scheme, after the down tube supported the inside wall in tight anchor rope hole, remove the limiting displacement of stop gear to the limiting plate, at the spring action of fourth spring this moment for the fourth spring promotes the limiting plate and removes, and the limiting plate removes and drives the slip post and remove, and the post that slides removes and drives the butt piece and remove, thereby makes the butt piece support the diapire in tight anchor rope hole, thereby reaches the purpose of reinforcing fixed block and anchor rope jogged joint stability.
Preferably, the limiting mechanisms are provided with a plurality of groups, each group of limiting mechanisms and the inclined rods are arranged in a one-to-one correspondence manner, a plurality of first sliding grooves are formed in the inner side wall of the sliding cavity corresponding to the plurality of groups of limiting mechanisms, each group of limiting mechanisms comprises a limiting block, a fifth spring and a push rod, the limiting block is connected to the inner side wall of the first sliding groove in a sliding manner, a limiting groove for the limiting block to be inserted and matched is formed in the limiting plate, one end of the fifth spring is fixedly connected to the groove bottom of the first sliding groove, and the other end of the fifth spring is fixedly connected to the limiting block; one end of the push rod is fixedly connected to the limiting block, the other end of the push rod penetrates through the inner side wall of the first sliding groove and is located on the outer side of the fixing block, and the push rod is connected to the fixing block in a sliding mode; the limiting mechanism further comprises a positioning assembly used for fixing the limiting block.
By adopting the technical scheme, before the fixing block is moved into the anchor cable hole, the abutting block needs to be pushed to drive the sliding rod and the limiting plate to move towards one side close to the anchor cable, after the limiting groove is aligned with the limiting block, the pushing rod is pushed to drive the limiting block to move, so that the limiting block is inserted into the limiting groove, and then the limiting block is fixed through the positioning assembly, so that the purpose of conveniently fixing the limiting plate is achieved; when the fixed block moved to the anchor rope downthehole, and need remove the effect of stop gear to the limiting plate, earlier removed the effect of locating component to the stopper, at this moment under the spring action of fifth spring, fifth spring pulling stopper breaks away from the spacing groove to reach and remove the effect of stop gear to the limiting plate.
Preferably, a second chute is formed in the inner side wall of the first chute, the positioning assembly comprises a positioning block, a sixth spring and a pull rope, the positioning block is connected to the second chute in a sliding manner, a positioning groove is formed in the limiting block, the positioning block is inserted into the positioning groove, one end of the sixth spring is fixedly connected to the bottom of the second chute, and the other end of the sixth spring is fixedly connected to the positioning block; one end of the pull rope is fixedly connected to the inclined rod, the other end of the pull rope penetrates through the bottom wall of the inner cavity and is located in the second sliding groove, and the end portion, located in the second sliding groove, of the pull rope is fixedly connected with the positioning block.
By adopting the technical scheme, when the movable plate drives the inclined rod to move, the inclined rod pulls the pull rope to move, the pull rope moves to pull the positioning block to move, so that the positioning block is separated from the positioning groove, and after the positioning block is separated from the positioning groove, the positioning block releases the fixing effect on the limiting block; when the limiting block needs to be fixed, the limiting block is driven to move by pushing the push rod, and after the positioning block is aligned with the positioning groove, the positioning block is driven by the sixth spring to be inserted into the positioning groove under the elastic action of the sixth spring, so that the purpose of conveniently fixing the limiting block is achieved.
Preferably, a screw is fixedly connected to the top wall of the sliding cavity, the screw penetrates through the limiting plate, the sliding column and the abutting block, and the screw is in clearance fit with the limiting plate, the sliding column and the abutting block; the reinforcing rod is rotatably connected in the abutting block, the screw rod is sleeved with the reinforcing rod, and the screw rod is in threaded transmission fit with the reinforcing rod.
By adopting the technical scheme, in the moving process of the abutting block, the abutting block drives the reinforcing rod to move, so that the reinforcing rod moves relative to the screw rod, and the screw rod can drive the reinforcing rod to rotate at the moment, thereby reducing the difficulty of inserting the reinforcing rod into the bottom wall of the anchor cable hole; after the reinforcing rod is inserted into the bottom wall layer of the anchor cable hole, the connecting strength between the abutting block and the inner wall of the anchor cable hole can be enhanced, and then the connecting strength between the fixing block and the inner wall of the anchor cable hole is further enhanced.
On the other hand, the application provides a construction method of a prestressed anchor cable structure, which adopts the following technical scheme:
a construction method of a prestressed anchor cable structure comprises the following steps:
s1, drilling holes at preset positions of a soil layer to form anchor cable holes, cleaning the formed holes, manufacturing anchor cables, mounting fixed blocks at the end parts of the anchor cables 1, and mounting support plates on the anchor cables and grouting pipes to move the anchor cables and the grouting pipes simultaneously;
s2, moving the anchor cable to drive the fixing block and the grouting pipe to move simultaneously, so that the anchor cable and the grouting pipe move into the anchor cable hole;
s3, slowly rotating the grouting pipe to enable the end part of the grouting pipe to be separated from the fixing block;
and S4, grouting the anchor cable hole through the grouting pipe, and rotatably lifting the grouting pipe during grouting.
Through adopting above-mentioned technical scheme, after being fixed in the inside wall in anchor rope hole with the fixed block, to the downthehole slip casting of anchor rope again, can reduce the in-process that removes the slip casting pipe, promote the slip casting pipe because of the rotation, and make the slip casting pipe drive the anchor rope and take place the possibility that removes simultaneously.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in order to fix the anchor cable in the anchor cable hole, the action of the first pushing assembly on the moving plate is firstly removed, at the moment, under the action of the elastic force of the first spring, the first spring pushes the moving plate to move, the moving plate moves to drive the end parts of the plurality of inclined rods close to the moving plate to move, at the moment, the inclination angles of the inclined rods are changed under the action of the second pushing assembly, the end parts of the inclined rods far away from the moving plate penetrate through the strip-shaped hole to move to the outer side of the fixed block, so that the plurality of inclined rods can tightly abut against the inner side wall of the anchor cable hole to achieve the purpose of fixing the fixed block, and the anchor cable is conveniently fixed in the anchor cable hole;
2. After the fixing block is fixed on the inner side wall of the anchor cable hole, grouting is performed in the anchor cable hole, and the possibility that the grouting pipe drives the anchor cable to move simultaneously due to the fact that the grouting pipe is lifted in a rotating mode in the process of moving the grouting pipe can be reduced;
3. in the process of moving the abutting block, the abutting block drives the reinforcing rod to move, so that the reinforcing rod moves relative to the screw rod, and the screw rod can drive the reinforcing rod to rotate at the moment, so that the difficulty of inserting the reinforcing rod into the bottom wall of the anchor cable hole is reduced; after the reinforcing rod is inserted into the bottom wall layer of the anchor cable hole, the connecting strength between the abutting block and the inner wall of the anchor cable hole can be enhanced, and then the connecting strength between the fixing block and the inner wall of the anchor cable hole is further enhanced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
fig. 2 is a sectional view of a fixing block and a limiting plate in the embodiment of the present application;
FIG. 3 is an enlarged view at A in FIG. 1;
FIG. 4 is a schematic view of the embodiment of the present application showing the structure of the holding device;
fig. 5 is an enlarged view at B in fig. 4.
Description of reference numerals: 1. an anchor cable; 11. a grouting pipe; 12. anchor cable holes; 2. a fixed block; 21. an inner cavity; 22. a strip-shaped hole; 23. a sliding cavity; 24. a sliding hole; 25. a first chute; 26. a second chute; 27. a guide bar; 271. a limiting ring; 3. a fixing assembly; 31. moving the plate; 32. a first spring; 33. a diagonal bar; 4. a first pushing assembly; 41. pushing the plate; 42. pushing the column; 43. a second spring; 5. a second pushing assembly; 51. a push block; 511. a dovetail block; 52. a guide wheel; 521. a support; 53. a third spring; 54. a support frame; 541. a vertical plate; 542. a horizontal plate; 543. a dovetail groove; 55. a pulling member; 6. a tightening device; 61. a butting block; 62. sliding the column; 63. a limiting plate; 631. a limiting groove; 64. a fourth spring; 65. a limiting mechanism; 651. a limiting block; 6511. positioning a groove; 652. a fifth spring; 653. a push rod; 654. a positioning assembly; 6541. positioning blocks; 6542. a sixth spring; 6543. pulling a rope; 66. a screw; 67. a reinforcing rod; 68. and (6) rotating the ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses prestressed anchorage cable structure, as shown in fig. 1 and fig. 2, prestressed anchorage cable structure includes anchor rope 1 and slip casting pipe 11, has seted up anchor rope hole 12 in the soil layer, and a plurality of extension boards are installed to the pencil that anchor rope 1 comprises a plurality of steel strand wires equidistant on the anchor rope 1, and the tip fixedly connected with fixed block 2 of 1 one end of anchor rope. The grouting pipe 11 sequentially penetrates through the plurality of support plates, and one end of the grouting pipe 11 is in threaded connection with the fixing block 2. The grouting pipe 11 and the anchor cable 1 are partially positioned in the anchor cable hole 12, and the fixing block 2 is positioned in the anchor cable hole 12. Through setting up the extension board, be convenient for reduce anchor rope 1 and anchor rope hole 12 inner wall possibility of laminating mutually.
As shown in fig. 2 and 3, an inner cavity 21 is formed in the fixing block 2, two strip-shaped holes 22 are formed in the inner side wall of the inner cavity 21, and the end portion of the grouting pipe 11 penetrates through the top wall of the inner cavity 21 and is located in the inner cavity 21. Two guide rods 27 are fixedly connected to the bottom wall of the inner cavity 21, and the axial leads of the two guide rods 27 are parallel to the axial lead of the fixed block 2. The ends of the two guide rods 27 far away from the moving plate 31 are fixedly connected with limit rings 271.
As shown in fig. 2 and 3, the fixed assembly 3 is disposed in the inner cavity 21, the fixed assembly 3 includes a moving plate 31, a first spring 32 and two inclined rods 33, the moving plate 31 is slidably connected to an inner side wall of the inner cavity 21, the two guide rods 27 both penetrate through the moving plate 31, and the moving plate 31 is slidably connected to the two guide rods 27. The number of the first springs 32 is two, and the two first springs 32 are respectively sleeved on the two guide rods 27. One end of the first spring 32 is fixedly connected to the bottom side of the moving plate 31, and the other end of the first spring 32 is fixedly connected to the bottom wall of the inner cavity 21. The two inclined rods 33 are respectively arranged corresponding to the two strip-shaped holes 22, and the two inclined plates are symmetrical about the axial lead of the fixed column. One end of the diagonal rod 33 is hinged to the moving plate 31, and the other end of the diagonal rod 33 can penetrate through the strip-shaped hole 22 to be abutted against the inner wall of the anchor cable hole 12.
As shown in fig. 2 and 3, a first pushing assembly 4 for pushing the moving plate 31 to move is disposed in the inner cavity 21, the first pushing assembly 4 includes a pushing plate 41, a pushing post 42 and a second spring 43, the pushing plate 41 is slidably connected to an inner side wall of the inner cavity 21, an end of the grouting pipe 11 abuts against the pushing plate 41, the pushing post 42 is fixedly connected to a bottom side of the pushing plate 41, and the pushing post 42 can abut against the moving plate 31. One end of the second spring 43 is fixedly connected to the top wall of the inner cavity 21, and the other end of the second spring 43 is fixedly connected to the top side of the push plate 41.
As shown in fig. 2 and 3, two sets of second pushing assemblies 5 for changing the inclination angles of the inclined rods 33 are disposed in the inner cavity 21 corresponding to the two inclined rods 33, and the two sets of second pushing assemblies 5 are disposed corresponding to the two guide rods 27, respectively. The second pushing assembly 5 comprises a pushing block 51, a guide wheel 52, a third spring 53, a supporting frame 54 and a pulling piece 55, wherein the supporting frame 54 comprises a vertical plate 541 and a horizontal plate 542, the vertical plate 541 is fixedly connected to the guide rod 27, one end of the horizontal plate 542 is fixedly connected with one end of the vertical plate 541, which is far away from the moving plate 31, a dovetail groove 543 is formed in the bottom side of the horizontal plate 542, a dovetail block 511 is fixedly connected to the pushing block 51, and the dovetail block 511 is slidably connected to the dovetail groove 543 of the horizontal plate 542. The side of the push block 51 away from the vertical plate 541 is provided with an inclined surface, and the inclined plate of the push block 51 is abutted against the inclined rod 33. The inner side wall of the inner cavity 21 is fixedly connected with a bracket 521, the guide wheel 52 is rotatably connected with the bracket 521, the outer peripheral surface of the guide wheel 52 is abutted against the inclined rod 33, and the vertical height of the guide wheel 52 from the moving plate 31 is smaller than that of the push block 51 from the moving plate 31. One end of the third spring 53 is fixedly connected to the vertical plate 541, and the other end of the third spring 53 is fixedly connected to the push block 51.
As shown in fig. 2 and fig. 3, the pulling element 55 is a pulling rope, two ends of the pulling rope respectively penetrate through the two vertical plates 541, and two ends of the pulling rope are respectively fixedly connected with the two pushing blocks 51, a middle portion of the pulling rope is located between the two vertical plates 541, and the pushing column 42 can be abutted against a middle portion of the pulling rope.
In the process of rotating the grouting pipe 11 to be separated from the fixed block 2, the second spring 43 pulls the push plate 41 to move, the push plate 41 moves to drive the push column 42 to move, meanwhile, the first spring 32 pushes the moving plate 31 to move, the moving plate 31 moves to drive the inclined rod 33 to move, in the process of moving the inclined rod 33, the push column 42 also releases acting force on the traction rope, so that the third spring 53 can push the push block 51 to move, under the interaction of the push block 51 and the guide wheel 52, the inclination angle of the inclined rod 33 is changed, so that the end part of the inclined rod 33 can penetrate through the strip-shaped hole 22, the end part of the inclined rod 33 penetrates through the strip-shaped hole 22 and then abuts against the inner wall of the anchor cable hole 12, and the purpose of fixing the fixed block 2 is achieved.
As shown in fig. 2 and 4, a sliding cavity 23 is further formed in the fixed block 2, the sliding cavity 23 is located below the inner cavity 21, and a sliding hole 24 is formed in the bottom side of the sliding cavity 23. Be provided with on the fixed block 2 and support tight device 6 of tight anchor rope hole 12 diapire, support tight device 6 including support tight piece, sliding column 62, limiting plate 63, fourth spring 64 and stop gear 65, limiting plate 63 sliding connection is in the inside wall of slip chamber 23, sliding column 62 sliding connection is in sliding hole 24, and sliding column 62 and limiting plate 63's bottom side fixed connection, butt piece 61 fixed connection is in the one end that limiting plate 63 was kept away from to sliding column 62, and butt piece 61 keeps away from one side of sliding column 62 and the diapire looks butt of anchor rope hole 12. The fourth spring 64 is located in the sliding cavity 23, one end of the fourth spring 64 is fixedly connected to the top wall of the sliding cavity 23, and the other end of the fourth spring 64 is fixedly connected to the top side of the limit plate 63.
As shown in fig. 4 and 5, two sets of limiting mechanisms 65 are provided, two sets of limiting mechanisms 65 are respectively arranged corresponding to the two inclined rods 33, the two sets of limiting mechanisms 65 are symmetrical with respect to the axis of the fixing column, two first sliding grooves 25 are formed in the two sets of limiting assemblies corresponding to the inner side wall of the sliding cavity 23, each set of limiting mechanism 65 comprises a limiting block 651, a fifth spring 652, a push rod 653 and a positioning assembly 654, the limiting block 651 is slidably connected to the inner side wall of the first sliding groove 25, and a limiting groove 631 for the limiting block 651 to be inserted and matched is formed in the limiting plate 63. The fifth spring 652 is located in the first sliding slot 25, one end of the fifth spring 652 is fixedly connected to the bottom of the first sliding slot 25, and the other end of the fifth spring 652 is fixedly connected to the limiting block 651. One end of the push rod 653 is fixedly connected to one side of the limiting block 651 far away from the limiting plate 63, the other end of the push rod 653 penetrates through the sidewall of the first sliding groove 25 to be located outside the fixed block 2, and the push rod 653 is slidably connected to the fixed block 2.
As shown in fig. 4 and 5, a second sliding groove 26 is formed on an inner side wall of the first sliding groove 25, the second sliding groove 26 extends along an axial direction of the fixing block 2, the positioning assembly 654 includes a positioning block 6541, a sixth spring 6542 and a pull rope 6543, the positioning block 6541 is slidably connected to the inner side wall of the second sliding groove 26, and a positioning groove 6511 for inserting and matching the positioning block 6541 is formed on the limiting block 651. The sixth spring 6542 is disposed in the second sliding slot 26, one end of the sixth spring 6542 is fixedly connected to the bottom of the second sliding slot 26, and the other end of the sixth spring 6542 is fixedly connected to a side of the positioning block 6541 away from the limiting block 651. One end of the pulling rope 6543 is fixedly connected to the inclined rod 33, the other end of the pulling rope 6543 penetrates through the bottom wall of the inner cavity 21 and is located in the second sliding groove 26, and the end of the pulling rope 6543 is fixedly connected with one side, away from the limiting block 651, of the positioning block 6541.
When the moving plate 31 drives the inclined rod 33 to move in a direction approaching to the anchor cable 1, the inclined rod 33 moves to pull the pull rope 6543 to move, and the pull rope 6543 moves to pull the positioning block 6541 to move; when the inclined rod 33 abuts against the inner side wall of the anchor cable hole 12, the pull rope 6543 pulls the positioning block 6541 to separate from the positioning slot 6511, and after the positioning block 6541 separates from the positioning slot 6511, the fifth spring 652 pulls the limiting block 651 to separate from the limiting groove 631, so that the limiting effect of the limiting mechanism 65 on the limiting plate 63 is relieved. After the limiting mechanism 65 releases the limiting effect on the limiting plate 63, the fourth spring 64 pushes the limiting plate 63 to move, and the limiting plate 63 moves to drive the sliding column 62 and the abutting block 61, so that the abutting block abuts against the bottom wall of the anchor cable hole 12, and the purpose of enhancing the connection stability of the fixing block 2 and the anchor cable hole 12 is achieved.
As shown in fig. 2 and 4, a screw 66 is fixedly connected to the top wall of the sliding cavity 23, the axis of the screw 66 coincides with the axis of the fixing block 2, the screw 66 sequentially passes through the limiting plate 63, the sliding column 62 and the abutting block 61, and the screw 66 is in clearance fit with the limiting plate 63, the sliding column 62 and the abutting block 61. The abutting block 61 is rotatably connected with a reinforcing rod 67, the outer peripheral surface of one end, close to the sliding column 62, of the reinforcing rod 67 is fixedly connected with a rotating ring 68, the rotating ring 68 is rotatably connected to the abutting block 61, the reinforcing rod 67 is sleeved on the screw 66, and the reinforcing rod 67 is in threaded transmission fit with the screw 66. In the process that the abutting block 61 moves, the abutting block 61 drives the reinforcing rod 67 to move, so that the reinforcing rod 67 moves relative to the screw 66, and at the moment, the screw 66 can drive the reinforcing rod 67 to rotate, so that the difficulty of inserting the reinforcing rod 6 into the bottom wall of the anchor cable hole 12 is reduced.
The embodiment of the application discloses a construction method of a prestressed anchor cable structure, which comprises the following construction steps of:
s1, drilling holes at preset positions of a soil layer to form anchor cable holes 12, cleaning the holes, manufacturing an anchor cable 1, installing a fixed block 2 at the end of the anchor cable 1, and installing a support plate on the anchor cable 1 and a grouting pipe 1 to move the anchor cable 1 and the grouting pipe 1 at the same time;
s2, moving the anchor cable 1 to drive the fixing block 2 and the grouting pipe 11 to move simultaneously, so that the anchor cable 1 and the grouting pipe 11 move into the anchor cable hole 12;
s3, slowly rotating the grouting pipe 11 to enable the end part of the grouting pipe 11 to be separated from the fixing block 2;
s4, grouting the cable bolt hole 12 through the grouting pipe 11, and rotationally lifting the grouting pipe 11 during grouting.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. The utility model provides a prestressed anchorage cable structure, includes anchor rope (1) and slip casting pipe (11), has seted up anchor rope hole (12) in the soil layer, anchor rope (1) and slip casting pipe (11) all have the part to be located anchor rope hole (12), its characterized in that: the end part of the anchor cable (1) is fixedly connected with a fixed block (2), an inner cavity (21) is arranged in the fixed block (2), a plurality of strip-shaped holes (22) are arranged on the inner side wall of the inner cavity (21), a fixing component (3) is arranged in the inner cavity (21), the fixed component (3) comprises a moving plate (31), a first spring (32) and a plurality of inclined rods (33), the moving plate (31) is connected with the inner side wall of the inner cavity (21) in a sliding way, the plurality of inclined rods (33) are arranged corresponding to the plurality of strip-shaped holes (22) one by one, one end of the diagonal rod (33) is hinged on the moving plate (31), the other end of the diagonal rod (33) can penetrate through the strip-shaped hole (22) to be abutted against the inner wall of the anchor cable hole (12), one end of the first spring (32) is fixedly connected with the bottom wall of the inner cavity (21), the other end of the first spring (32) is fixedly connected to the moving plate (31); a first pushing assembly (4) for pushing the moving plate (31) to move is arranged in the inner cavity (21), and a second pushing assembly (5) for changing the inclination angle of the inclined rod (33) is arranged in the inner cavity (21) corresponding to each inclined rod (33);
The first pushing assembly (4) comprises a pushing plate (41), a pushing column (42) and a second spring (43), the pushing plate (41) is connected to the inner side wall of the inner cavity (21) in a sliding mode, the pushing column (42) is fixedly connected to the bottom side of the pushing plate (41), the pushing column (42) can be abutted to the moving plate (31), one end of the second spring (43) is fixedly connected to the pushing plate (41), and the other end of the second spring (43) is fixedly connected to the top wall of the inner cavity (21); the grouting pipe (11) penetrates through the top wall of the inner cavity (21), the grouting pipe (11) is in threaded connection with the fixing block (2), and the grouting pipe (11) is abutted to the push plate (41);
a plurality of guide rods (27) are fixedly connected to a plurality of groups of second pushing assemblies (5) in the inner cavity (21), the moving plate (31) is connected with the guide rods (27) in a sliding mode, each second pushing assembly (5) comprises a pushing block (51), a guide wheel (52), a third spring (53) and a supporting frame (54), each supporting frame (54) comprises a vertical plate (541) and a horizontal plate (542), the vertical plates (541) are fixedly connected to the guide rods (27), and the horizontal plates (542) are fixedly connected to the vertical plates (541); the guide wheel (52) is rotatably connected to the inner side wall of the inner cavity (21), and the outer peripheral surface of the guide wheel (52) abuts against the inclined rod (33); the pushing block (51) is connected to the horizontal plate (542) in a sliding mode, the pushing block (51) is abutted to the inclined rod (33), one end of the third spring (53) is fixedly connected to the pushing block (51), and the other end of the third spring (53) is fixedly connected to the vertical plate (541); a traction piece (55) for simultaneously pushing the two push blocks (51) to move is arranged in the inner cavity (21);
The traction piece (55) is a traction rope, two ends of the traction rope respectively penetrate through the two vertical plates (541), the two ends of the traction rope are respectively fixedly connected with the two push blocks (51), and the push columns (42) can be abutted against the traction rope;
a sliding cavity (23) is further formed in the fixed block (2), and a sliding hole (24) is formed in the bottom side of the sliding cavity (23); the fixed block (2) is provided with a butting device (6), the butting device (6) comprises a butting block (61), a sliding column (62), a limiting plate (63) and a fourth spring (64), the limiting plate (63) is connected to the inner side wall of the sliding cavity (23) in a sliding mode, the sliding column (62) is fixedly connected to the limiting plate (63), the sliding column (62) is connected to the inner side wall of the sliding hole (24) in a sliding mode, the butting block (61) is fixedly connected to one end, far away from the limiting plate (63), of the sliding column (62), and the butting block (61) is butted against the bottom wall of the anchor cable hole (12); one end of the fourth spring (64) is fixedly connected to the top wall of the sliding cavity (23), and the other end of the fourth spring (64) is fixedly connected to the limiting plate (63); the abutting device (6) further comprises a limiting mechanism (65) used for fixing the limiting plate (63).
2. The prestressed anchor cable structure of claim 1, wherein: the limiting mechanisms (65) are provided with multiple groups, each group of limiting mechanisms (65) and the inclined rods (33) are arranged in a one-to-one correspondence manner, a plurality of first sliding grooves (25) are formed in the inner side wall of the sliding cavity (23) corresponding to the multiple groups of limiting mechanisms (65), each group of limiting mechanisms (65) comprises a limiting block (651), a fifth spring (652) and a push rod (653), the limiting block (651) is connected to the inner side wall of the first sliding groove (25) in a sliding manner, a limiting groove (631) for the limiting block (651) to be in splicing fit is formed in the limiting plate (63), one end of the fifth spring (652) is fixedly connected to the groove bottom of the first sliding groove (25), and the other end of the fifth spring (652) is fixedly connected to the limiting block (651); one end of the push rod (653) is fixedly connected to the limiting block (651), the other end of the push rod (653) penetrates through the inner side wall of the first sliding groove (25) and is located on the outer side of the fixed block (2), and the push rod (653) is connected to the fixed block (2) in a sliding mode; the limiting mechanism (65) further comprises a positioning component (654) used for fixing the limiting block (651).
3. The prestressed anchor cable structure of claim 2, wherein: a second sliding groove (26) is formed in the inner side wall of the first sliding groove (25), the positioning assembly (654) comprises a positioning block (6541), a sixth spring (6542) and a pull rope (6543), the positioning block (6541) is connected to the second sliding groove (26) in a sliding mode, a positioning groove (6511) is formed in the limiting block (651), the positioning block (6541) is inserted into the positioning groove (6511), one end of the sixth spring (6542) is fixedly connected to the groove bottom of the second sliding groove (26), and the other end of the sixth spring (6542) is fixedly connected to the positioning block (6541); one end of the pulling rope (6543) is fixedly connected to the inclined rod (33), the other end of the pulling rope (6543) penetrates through the bottom wall of the inner cavity (21) and is located in the second sliding groove (26), and the end, located on the second sliding groove (26), of the pulling rope (6543) is fixedly connected with the positioning block (6541).
4. A prestressed anchorage cable structure according to claim 3, wherein: the top wall of the sliding cavity (23) is fixedly connected with a screw rod (66), the screw rod (66) penetrates through the limiting plate (63), the sliding column (62) and the abutting block (61), and the screw rod (66) is in clearance fit with the limiting plate (63), the sliding column (62) and the abutting block (61); the butt joint block (61) is connected with a reinforcing rod (67) in a rotating mode, the reinforcing rod (67) is sleeved on the screw rod (66), and the screw rod (66) is in threaded transmission fit with the reinforcing rod (67).
5. A construction method of a prestressed anchor cable structure based on any one of claims 1 to 4, characterized in that: the method comprises the following steps:
s1, drilling at a preset position of a soil layer so as to form an anchor cable hole (12), cleaning the formed hole, manufacturing an anchor cable (1) at the same time, installing a fixed block (2) at the end part of the anchor cable (1), and then installing support plates on the anchor cable (1) and a grouting pipe (11) so as to move the anchor cable (1) and the grouting pipe (11) at the same time;
s2, moving the anchor cable (1) to drive the fixing block (2) and the grouting pipe (11) to move simultaneously, so that the anchor cable (1) and the grouting pipe (11) move into the anchor cable hole (12);
s3, slowly rotating the grouting pipe (11) to enable the end part of the grouting pipe (11) to be separated from the fixing block (2);
and S4, grouting into the anchor cable hole (12) through the grouting pipe (11), and rotatably lifting the grouting pipe (11) during grouting.
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| CN202110561379.3A CN113174946B (en) | 2021-05-22 | 2021-05-22 | Prestressed anchor cable structure and prestressed anchor cable construction method |
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| CN202110561379.3A CN113174946B (en) | 2021-05-22 | 2021-05-22 | Prestressed anchor cable structure and prestressed anchor cable construction method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2743301A1 (en) * | 1977-09-27 | 1979-04-05 | Fischer Artur Dr H C | Foundation anchor bolt fitted in concrete - has surface washer with hole to allow for injection of hardening filler around bolt |
| CN106088103A (en) * | 2016-06-22 | 2016-11-09 | 姚炳祥 | A kind of recyclable U-shaped anchor cable of the main muscle of working cable and using method thereof |
| WO2018090689A1 (en) * | 2016-11-18 | 2018-05-24 | 中国葛洲坝集团三峡建设工程有限公司 | Multifunctional anchor cable drilling machine |
| CN109056721A (en) * | 2018-09-21 | 2018-12-21 | 杭州钜力锚杆科技有限公司 | A kind of intelligent removable anchor system monitored automatically |
| CN112392003A (en) * | 2020-11-25 | 2021-02-23 | 安徽百年基业建设工程有限公司 | Hydraulic engineering slope |
-
2021
- 2021-05-22 CN CN202110561379.3A patent/CN113174946B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2743301A1 (en) * | 1977-09-27 | 1979-04-05 | Fischer Artur Dr H C | Foundation anchor bolt fitted in concrete - has surface washer with hole to allow for injection of hardening filler around bolt |
| CN106088103A (en) * | 2016-06-22 | 2016-11-09 | 姚炳祥 | A kind of recyclable U-shaped anchor cable of the main muscle of working cable and using method thereof |
| WO2018090689A1 (en) * | 2016-11-18 | 2018-05-24 | 中国葛洲坝集团三峡建设工程有限公司 | Multifunctional anchor cable drilling machine |
| CN109056721A (en) * | 2018-09-21 | 2018-12-21 | 杭州钜力锚杆科技有限公司 | A kind of intelligent removable anchor system monitored automatically |
| CN112392003A (en) * | 2020-11-25 | 2021-02-23 | 安徽百年基业建设工程有限公司 | Hydraulic engineering slope |
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