CN214783893U - Recoverable anchor rod anchorage device - Google Patents
Recoverable anchor rod anchorage device Download PDFInfo
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- CN214783893U CN214783893U CN202121091913.0U CN202121091913U CN214783893U CN 214783893 U CN214783893 U CN 214783893U CN 202121091913 U CN202121091913 U CN 202121091913U CN 214783893 U CN214783893 U CN 214783893U
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Abstract
The utility model belongs to the technical field of the reinforced (rfd) technique of side slope and specifically relates to a recoverable type stock ground tackle, it includes the body of rod, cement sleeve and slip casting pipe, the cement sleeve outside is located to the slip casting pipe box, body of rod one end threaded connection has drill bit spare, drill bit spare supports tight cement sleeve tip, the body of rod other end runs through and extends the cement sleeve, ground tackle spare is worn to be equipped with by the telescopic one end screw thread of cement is worn out to the body of rod, ground tackle spare is used for supporting tight side slope surface towards the telescopic one side of cement. When the slope supporting structure is dismantled, the anchorage device is firstly dismantled from the rod body, then the rod body is screwed off the drill bit device by using a drilling machine and then taken out, and the cement sleeve is permanently embedded in the slope. This application has the effect of retrieving the stock.
Description
Technical Field
The utility model belongs to the technical field of the reinforced technique of side slope and specifically relates to a recoverable type stock ground tackle.
Background
The anchor rod is used as one of main support forms of underground engineering and rock slopes, and plays an important role in maintaining the stability of civil engineering.
In the mortar anchor rod construction process, firstly, a drilling machine is used for drilling a hole in the side slope, and an anchor rod and a grouting pipe are coaxially inserted into the hole. And then conveying mortar into the hole through the grouting pipe, and drawing out the grouting pipe while conveying the mortar. At the moment, one end of the anchor rod is embedded in mortar inside the eyelet, the other end of the anchor rod extends out of the side slope, and pretightening force is applied to the anchor rod by utilizing an anchorage device, so that a mortar anchor rod supporting structure is formed.
However, the slope supporting structure is sometimes temporary, and when the slope supporting structure is dismantled, the anchor rods are buried in the slope, so that the anchor rod recycling rate is low.
SUMMERY OF THE UTILITY MODEL
In order to improve the recycle ratio of stock, this application provides a recoverable type stock ground tackle.
The application provides a recoverable type stock ground tackle adopts following technical scheme:
the utility model provides a recoverable type stock ground tackle, its includes the body of rod, cement sleeve and slip casting pipe, the cement sleeve outside is located to the slip casting pipe box, body of rod one end threaded connection has drill bit spare, drill bit spare supports tight cement sleeve tip, the body of rod other end runs through and extends the cement sleeve, the telescopic one end screw thread of cement is worn to be equipped with ground tackle spare by the body of rod, ground tackle spare is used for supporting tight side slope surface towards the telescopic one side of cement.
Through adopting above-mentioned technical scheme, the body of rod penetrates the cement sleeve earlier, wear out behind the cement sleeve with drill bit spare threaded connection, and make drill bit spare support tight cement sleeve tip, establish the slip casting pipe box outside at the cement sleeve again. After drilling a hole in the side slope, putting the rod body, the cement sleeve and the grouting pipe into the hole, guiding mortar into the hole by using the grouting pipe, drawing out the grouting pipe while guiding the mortar into the hole until the grouting pipe is drawn out, wherein at the moment, the outer wall of the cement sleeve and the mortar form a whole, and one end of the rod body, which is far away from the drill bit, extends out of the side slope. Install the one end of keeping away from the drill bit spare at the body of rod with ground tackle spare, and make ground tackle spare support tightly at the side slope towards the one end of drill bit spare, utilize ground tackle spare to exert the pretightning force to the body of rod, and then realize the reinforcement to the side slope. When demolising side slope supporting construction, utilize the rig drive body of rod to revolve and leave cement sleeve and ground tackle spare after the drill bit spare to make this scheme have the advantage of retrieving the body of rod and ground tackle spare.
Optionally, the drill bit part comprises an expansion shell anchoring part and a threaded rod part, the expansion shell anchoring part abuts against the cement sleeve, one end of the threaded rod part is fixedly connected to the expansion shell anchoring part, and the other end of the threaded rod part is in threaded connection with the rod body.
Through adopting above-mentioned technical scheme, the body of rod is rotated from the in-process that rises shell anchor portion, and the shell anchor portion outer wall that rises can interlock punchhole inner wall gradually to improve the connection performance of drill bit spare and punchhole, and threaded rod portion makes things convenient for the rig to rotate the connecting rod from the shell anchor portion that rises with body of rod threaded connection.
Optionally, the rod body sleeve is provided with a rubber sealing ring, and the outer wall of the rubber sealing ring is in interference fit with the inner wall of the cement sleeve.
By adopting the technical scheme, the sealing performance between the rod body peripheral wall and the inner wall of the end part of the cement sleeve can be improved by the rubber sealing ring, when mortar is conveyed into the hole, the mortar is not easy to overflow into a gap between the rod body peripheral wall and the inner wall of the end part of the cement sleeve, and then the mortar is not easy to finish setting in the gap between the rod body peripheral wall and the inner wall of the end part of the cement sleeve, so that the resistance of the drilling machine for rotating off the rod body is weakened.
Optionally, the anchor device piece includes backing plate and pretightening nut, pretightening nut supports tightly and connects in the backing plate, the body of rod is located to pretightening nut and backing plate screw thread cover in proper order, one side of backing plate towards rubber seal is equipped with the inserted bar, the inserted bar is used for inserting and establishes in the side slope.
Through adopting above-mentioned technical scheme, utilize air wrench to revolve the pretension nut at body of rod perisporium, and make the pretension nut support tight backing plate, under the pretension nut effect, the backing plate has the trend towards the side slope direction when supporting tight side slope, and then prevents the side slope and slides towards the backing plate, and the inserted bar further strengthens the relation of backing plate and side slope.
Optionally, the anchor device further comprises an installation nut and an installation rod, the installation nut penetrates through the rod body, one end of the installation rod is fixedly connected to the installation nut, and the other end of the installation rod is connected with the embedded rod on the side slope through the mechanical sleeve.
Through adopting above-mentioned technical scheme, after accomplishing pretension nut's installation, pour the net roof beam at the side slope near the body of rod, the pre-buried pole is reserved to the net roof beam, utilize air wrench to revolve the mounting nut at body of rod perisporium, after the direction of adjustment mounting rod, will utilize mechanical sleeve to be connected with the pre-buried pole, the net roof beam can loop through pre-buried pole, mechanical sleeve, mounting rod, mounting nut and the body of rod when the side slope dimension is stable with the frictional force transmission that the side slope surface slided inside the side slope, in order to realize preventing the side slope to slide.
Optionally, the fixing piece is arranged in a penetrating mode through the thread of the rod body, the fixing piece comprises an inner ring, an outer ring and a connecting rod, the connecting rod is connected to the inner ring and the outer ring respectively, the inner wall of the inner ring is connected to the rod body in a threaded mode, and the outer wall of the outer ring is fixedly connected with the cement sleeve.
Through adopting above-mentioned technical scheme, when the body of rod and cement sleeve installation, the body of rod and interior ring thread connection improve the stability of the body of rod on the one hand, and on the other hand makes things convenient for the rig to dismantle or the installation body of rod.
Optionally, the outer ring is provided with a bolt piece in a penetrating manner, the bolt piece penetrates through the cement sleeve, and the bolt piece fixes the outer ring on the inner wall of the cement sleeve.
Through adopting above-mentioned technical scheme, utilize bolt spare can conveniently fix the outer loop at cement sleeve inner wall, and take out the bolt spare that is close to the side slope, and then can retrieve the mounting that is close to the side slope.
Optionally, the peripheral wall of the cement sleeve is provided with a convex block, and one end, far away from the cement sleeve, of the convex block is connected to the grouting pipe in a sliding mode.
Through adopting above-mentioned technical scheme, the lug can improve the interval between cement sleeve periphery wall and the slip casting pipe, can make the annular layer thickness that the mortar formed even when carrying the mortar to improve cement sleeve's stability.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the slope supporting structure is dismantled, the anchorage device is firstly dismantled from the rod body, and then the rod body is screwed off the drill bit device by using a drilling machine and then taken out;
2. the friction force of the slope surface sliding is transmitted to the interior of the slope through the embedded rod, the mechanical sleeve, the mounting rod, the mounting nut and the rod body, so that the slope sliding is prevented;
3. the mounting can improve the connection performance between the body of rod and the cement sleeve, can make things convenient for the dismouting when improving body of rod stability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic illustration of an explosive structure in one direction according to an embodiment of the present application;
fig. 3 is a schematic diagram of an explosive structure in another direction according to an embodiment of the present application.
Description of reference numerals: 1. a rod body; 11. a rubber seal ring; 12. a thread groove; 2. a cement sleeve; 21. a bump; 3. a grouting pipe; 31. a slurry flowing hole; 4. a drill bit member; 41. an expansion shell anchoring part; 42. a threaded shank portion; 5. an anchor member; 51. a base plate; 52. pre-tightening the nut; 53. inserting a rod; 54. mounting a nut; 55. mounting a rod; 6. a fixing member; 61. an inner ring; 62. an outer ring; 63. a connecting rod; 7. a bolt member.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses recoverable type stock ground tackle, refer to fig. 1, fig. 2, it includes the body of rod 1, cement sleeve 2, slip casting pipe 3, drill bit spare 4, ground tackle spare 5, mounting 6 and bolt spare 7, and 1 one end threaded connection of the body of rod is in drill bit spare 4, and the ground tackle spare 5 is worn to locate by the screw after the body of rod 1 other end runs through cement sleeve 2, and 3 coaxial covers of slip casting pipe are established at the cement sleeve 2 outsides. The two groups of fixing pieces 6 are respectively arranged in the cement sleeve 2 close to the port of the cement sleeve 2, and the two groups of fixing pieces 6 are respectively sleeved on the peripheral wall of the rod body 1 in a threaded manner; each mounting 6 corresponds two sets of symmetrical arrangement's bolt spare 7, and arbitrary bolt spare 7 all wears to locate mounting 6 and cement sleeve 2 in proper order to the realization is with mounting 6 demountable installation at the 2 inner walls of cement sleeve.
Referring to fig. 2 and 3, the fixing member 6 includes an inner ring 61, an outer ring 62 and four connecting rods 63, the four connecting rods 63 are circumferentially arrayed along the radial direction of the inner ring 61, one end of any connecting rod 63 is fixedly connected to the outer wall of the inner ring 61, and the other end of any connecting rod 63 is fixedly connected to the inner wall of the outer ring 62. Two sets of bolt pieces 7 are along horizontal direction symmetrical arrangement, and bolt piece 7 is fastening bolt and nut, and cement sleeve 2 and outer loop 62 are all worn to locate in proper order from outside to inside by arbitrary bolt piece 7 for 62 outer wall fixed connection of outer loop are at the inner wall of cement sleeve 2 inner ring 61, fix mounting 6 in cement sleeve 2 in order to the realization. The circumference wall of the rod body 1 is provided with uniform external threads, the inner wall of the inner ring 61 is provided with uniform internal threads, the circumference wall of the rod body 1 is in threaded connection with the inner wall of the inner ring 61, and the inner ring 61 can maintain the rod body 1 to move stably.
The drill bit 4 comprises an expansion shell anchoring part 41 and a threaded rod part 42, a threaded groove 12 is formed in the end part of the rod body 1, and one end, far away from the expansion shell anchoring part 41, of the threaded rod is in threaded connection with the inner wall of the threaded groove 12. The shell anchor portion 41 that rises supports tightly to be connected at cement sleeve 2 tip, and the body of rod 1 wears to locate cement sleeve 2 tip, is formed with the clearance between body of rod 1 perisporium and the cement sleeve 2 port inner wall. The threaded sleeve of the peripheral wall of the rod body 1 is provided with a rubber sealing ring 11, the rubber sealing ring 11 fills the gap, and the outer wall of the rubber sealing ring 11 is in interference fit with the inner wall of the port 2 of the cement sleeve.
The peripheral wall of the cement sleeve 2 is fixedly connected with a plurality of lugs 21, and the lugs 21 are evenly arranged along the circumferential direction of the cement sleeve 2 at intervals. The lug 21 and the cement sleeve 2 are integrally poured, the shape of one end of any lug 21, which is far away from the cement sleeve 2, is adapted to the inner wall of the grouting pipe 3, and the lug 21 is connected to the inner wall of the grouting pipe 3 in a sliding manner. Meanwhile, overflow holes are uniformly formed in the peripheral wall of one end, close to the drill bit piece 4, of the grouting pipe 3, and the overflow holes are beneficial to improving a channel for mortar to overflow.
The anchorage device 5 comprises a backing plate 51, a pre-tightening nut 52, an insert rod 53 and a mounting nut 54, the backing plate 51 can increase the contact area between the rod body 1 and the slope surface, and one end of the rod body 1, which is far away from the drill bit 4, is threaded through the backing plate 51. The inserted rods 53 are arranged in four and evenly spaced ways, and the four inserted rods 53 are all fixedly connected to one side of the base plate 51 facing the drill bit 4. The pre-tightening nut 52 and the mounting nut 54 are sequentially sleeved on the rod body 1 in a threaded manner, and the pre-tightening nut 52 is connected to one side, away from the insert rod 53, of the backing plate 51 in a propping manner. Two mounting rods 55 are fixedly connected to the outer wall of the mounting nut 54, and the two mounting rods 55 are symmetrically arranged along the radial direction of the mounting nut 54.
The implementation principle of the embodiment of the application is as follows:
the first construction step is to assemble the rod body 1 and the cement sleeve 2, and fix the outer ring 62 of the fixing member 6 on the inner wall of the cement sleeve 2 by using the bolt member 7 in sequence, so that the two fixing members 6 are located near the port of the cement sleeve 2. With body of rod 1 threaded connection inner ring 61 inner wall in proper order, at this moment, 1 one end of the body of rod is in cement sleeve 2 in and the rubber seal 11 is established to the thread bush for 11 interference fit cement sleeve 2 inner walls of rubber seal, cement sleeve 2 is worn out to the 1 other end of the body of rod.
And step two, screwing the threaded rod part 42 into the mounting groove, enabling the expansion shell anchoring part 41 to be connected with the end part of the cement sleeve 2 in an abutting mode, and then sleeving the grouting pipe 3 on the outer wall of the cement sleeve 2, and enabling the inner wall of the grouting pipe 3 to be in sliding abutting connection with the bump 21.
And step three, forming holes from the surface of the side slope to the inside of the side slope, putting the rod body 1, the cement sleeve 2, the drill bit piece 4 and the grouting pipe 3 into the holes at the same time, and driving the rod body 1 to move towards the direction far away from the drill bit piece 4 by using a drilling machine so as to enable the outer wall of the shell expansion anchoring part 41 to be meshed with the inner wall of the hole. The mortar is conveyed into the grouting pipe 3, flows into the deep part of the hole from the grouting pipe 3, quickly fills the hole through the overflow hole, and is pumped out of the grouting pipe 3 while being conveyed.
And fourthly, forming an annular mortar layer after the mortar is stabilized, wherein the inner wall of the mortar layer is fixedly connected to the outer wall of the cement sleeve 2, and the outer wall of the mortar layer is fixedly connected to the inner wall of the hole. The base plate 51 and the pre-tightening nut 52 are sequentially screwed on the rod body 1 by using a pneumatic wrench, so that the base plate 51 is abutted against the side slope, and the inserting rod 53 is inserted into the side slope, and at the moment, the rod body 1 obtains the pre-tightening force for preventing the side slope from sliding.
And a fifth construction step, constructing the lattice beam, and reserving a pre-buried rod on the lattice beam. The mounting nut 54 is screwed on the rod body 1 by using a pneumatic wrench, the mounting rod 55 is adjusted to be in the same straight line position with the connecting rod 63, and the mounting rod 55 and the embedded rod are connected by using a mechanical sleeve
When the slope support is dismantled, the rod body 1 is driven by a drilling machine to be sequentially screwed off the threaded rod part 42, the inner ring 61, the cement sleeve 2, the base plate 51, the pre-tightening nut 52 and the mounting nut 54, and then the fixing part 6 close to the base plate 51, the pre-tightening nut 52 and the mounting nut 54 are sequentially dismantled.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, 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 (8)
1. A recoverable type stock ground tackle which characterized in that: including the body of rod (1), cement sleeve (2) and slip casting pipe (3), cement sleeve (2) outside is located to slip casting pipe (3) cover, body of rod (1) one end threaded connection has drill bit spare (4), drill bit spare (4) support tight cement sleeve (2) tip, the body of rod (1) other end runs through and extends cement sleeve (2), anchor device spare (5) are worn to be equipped with to the one end screw thread that cement sleeve (2) were worn out in body of rod (1), anchor device spare (5) are used for supporting tight side slope surface towards one side of cement sleeve (2).
2. A retrievable anchor assembly according to claim 1, wherein: the drill bit piece (4) comprises an expansion shell anchoring part (41) and a threaded rod part (42), the expansion shell anchoring part (41) abuts against the cement sleeve (2), one end of the threaded rod part (42) is fixedly connected to the expansion shell anchoring part (41), and the other end of the threaded rod part (42) is in threaded connection with the rod body (1).
3. A retrievable anchor assembly according to claim 2, wherein: the rod body (1) is sleeved with a rubber sealing ring (11), and the outer wall of the rubber sealing ring (11) is in interference fit with the inner wall of the cement sleeve (2).
4. A retrievable anchor assembly according to claim 1, wherein: ground tackle spare (5) include backing plate (51) and pretension nut (52), pretension nut (52) support tightly to be connected in backing plate (51), the body of rod (1) is located to pretension nut (52) and backing plate (51) screw thread cover in proper order, one side of backing plate (51) orientation rubber seal (11) is equipped with inserted bar (53), inserted bar (53) are used for inserting and establish in the side slope.
5. A retrievable anchor assembly according to claim 4, wherein: the anchor device piece (5) further comprises a mounting nut (54) and a mounting rod (55), the mounting nut (54) penetrates through the rod body (1), one end of the mounting rod (55) is fixedly connected to the mounting nut (54), and the other end of the mounting rod (55) is connected with a pre-embedded rod on the side slope through a mechanical sleeve.
6. A retrievable anchor assembly according to claim 1, wherein: the utility model discloses a concrete pole, including body of rod (1), body of rod (1) screw thread is worn to be equipped with mounting (6), mounting (6) include inner ring (61), outer loop (62) and connecting rod (63), connecting rod (63) are connected respectively in inner ring (61) and outer loop (62), inner ring (61) inner wall threaded connection is in the body of rod (1), outer loop (62) outer wall fixed connection cement sleeve (2).
7. A retrievable anchor assembly according to claim 6, wherein: the outer ring (62) is provided with a bolt piece (7) in a penetrating mode, the bolt piece (7) is arranged in the cement sleeve (2) in a penetrating mode, and the outer ring (62) is fixedly arranged on the inner wall of the cement sleeve (2) through the bolt piece (7).
8. A retrievable anchor assembly according to claim 1, wherein: the periphery wall of the cement sleeve (2) is provided with a convex block (21), and one end of the convex block (21) far away from the cement sleeve (2) is connected to the grouting pipe (3) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121091913.0U CN214783893U (en) | 2021-05-20 | 2021-05-20 | Recoverable anchor rod anchorage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121091913.0U CN214783893U (en) | 2021-05-20 | 2021-05-20 | Recoverable anchor rod anchorage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214783893U true CN214783893U (en) | 2021-11-19 |
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ID=78696432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121091913.0U Active CN214783893U (en) | 2021-05-20 | 2021-05-20 | Recoverable anchor rod anchorage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214783893U (en) |
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2021
- 2021-05-20 CN CN202121091913.0U patent/CN214783893U/en active Active
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