CN218206744U - Novel expansion shell type hollow post-grouting enlarged footing anchor rod - Google Patents
Novel expansion shell type hollow post-grouting enlarged footing anchor rod Download PDFInfo
- Publication number
- CN218206744U CN218206744U CN202222368211.3U CN202222368211U CN218206744U CN 218206744 U CN218206744 U CN 218206744U CN 202222368211 U CN202222368211 U CN 202222368211U CN 218206744 U CN218206744 U CN 218206744U
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- anchor rod
- fixed
- hole
- drill bit
- nut
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 29
- 239000011440 grout Substances 0.000 claims abstract description 18
- 238000007569 slipcasting Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 4
- 210000003781 tooth socket Anatomy 0.000 claims description 4
- 239000011435 rock Substances 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 description 7
- 239000012634 fragment Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The application discloses novel slip casting enlarged footing stock behind shell type cavity rises, belong to the technical field of stock, it includes the stock body, the wedge body and be fixed in the drill bit of wedge body one end, the cavity has been seted up in the stock body, the cavity runs through the stock body along the axial of stock body, the through-hole has been seted up in the wedge body, the through-hole runs through wedge body and drill bit along the axial, the one end that the drill bit was kept away from to the wedge body is inserted and is located in the cavity, the one end that the stock body is close to the drill bit is provided with the shell that rises, the helicla flute has been seted up to the outer peripheral face of wedge body, the cylinder piece slides along the axial of wedge body through the helicla flute and is connected, the inner peripheral surface of cavity is fixed with the fixed plate, the side that the fixed plate is close to the wedge body is fixed with the round bar, the round bar is inserted and is located in the through-hole, the side that the wedge body was kept away from to the fixed plate has seted up the grout hole, the grout hole extends to the round bar in the round bar outer peripheral face, the grout outlet has been seted up, grout outlet is linked together with the grout hole. This application has the effect of being convenient for to slip casting in the country rock.
Description
Technical Field
The application relates to the field of anchor rods, in particular to a novel expansion shell type hollow rear grouting expanded footing anchor rod.
Background
The anchor rod is used as a tension member deep into the stratum, one end of the anchor rod is usually anchored in the surrounding rock, axial pretightening force is applied to the anchor rod outside the surrounding rock, and the surrounding rock is formed into an integral reinforcing structure by utilizing the tension force of the anchor rod and the concrete grouting body integrated with the anchor rod, so that the purpose of controlling the deformation of the surrounding rock is achieved.
For example, the Chinese patent with the publication number of CN105350994B discloses a grouting anchor rod and a using method thereof, the grouting anchor rod comprises an anchor rod body, a wedge body and a drill bit which are coaxially arranged, one end of the wedge body is inserted into the anchor rod body, and the other end of the wedge body is connected with the drill bit; grouting channels are communicated on the anchor rod body, the wedge body and the drill bit; when the anchor rod body rotates in the same direction as the cutting direction of the drill bit, the anchor rod body is fixed with the relative positions of the wedge body and the drill bit, and the anchor rod body drives the wedge body and the drill bit to synchronously rotate.
Among the above-mentioned correlation technique, rotate through the stock body and drive the drill bit rotatory to the equidirectional, make the drill bit creep into in to the country rock, the drill bit is when creeping into in to the country rock, probably can make broken country rock jump in the slip casting passageway of drill bit to make the slip casting passageway plug up, be not convenient for to slip casting in the drilling.
SUMMERY OF THE UTILITY MODEL
When creeping into in the country rock in order to improve the drill bit, probably can make broken country rock jump in the slip casting passageway of drill bit to make the slip casting passageway plug up, be not convenient for to the problem of slip casting in the drilling hole, the application provides novel shell expansion type cavity back slip casting enlarged footing stock.
The application provides a novel slip casting enlarged footing stock adopts following technical scheme behind shell type cavity that rises:
novel shell type cavity back slip casting enlarged footing stock rises, including stock body, wedge and be fixed in the drill bit of wedge one end, the cavity has been seted up in the stock body, the cavity is followed the axial of stock body runs through the stock body, the through-hole has been seted up in the wedge, the through-hole runs through along the axial wedge and drill bit, the wedge is kept away from the one end of drill bit is inserted and is located in the cavity, the stock body is close to the one end of drill bit is provided with the shell that rises, the helicla flute has been seted up to the outer peripheral face of wedge, the inner peripheral surface of cavity is fixed with the cylinder piece, the cylinder piece passes through the helicla flute is followed the axial of wedge with the wedge slides and is connected, the inner peripheral surface of cavity is fixed with the fixed plate, the fixed plate is close to the side of wedge is fixed with the round bar, the round bar is inserted and is located in the through-hole, the grout hole has been seted up to the side of wedge, the grout hole extends to in the round bar, the outer peripheral surface of round bar has seted up the grout outlet, grout hole with the grout hole is linked together.
Through adopting above-mentioned technical scheme, when the stock body is rotatory to the cutting direction of drill bit, the side looks butt of cylinder piece and helicla flute, make the stock body drive wedge and drill bit syntropy and rotate, when the drill bit bores to the country rock in, the contra-rotation stock body, the cylinder piece removes in the helicla flute, make the stock body orientation move near the direction of drill bit, thereby make the stock body drive the direction removal that the round bar orientation is close to the drill bit, make the round bar release the country rock piece in with the through-hole from the drill bit, thereby reduce the possibility that the through-hole was plugged up to the country rock piece, be convenient for the staff is grout in to the country rock.
Preferably, the outer circumferential surface of the anchor rod body is provided with spiral teeth.
Through adopting above-mentioned technical scheme, the helical tooth has been seted up at the outer peripheral face of stock body, and when the drill bit was drilled in towards the country rock, the country rock piece was discharged outside the drilling through the helical tooth to be convenient for the staff clears up the country rock piece in the drilling.
Preferably, the cover is equipped with the shutoff stopper on the stock body, the shutoff stopper is followed the axial of stock body with the stock body is slided and is connected, the cover is equipped with the tray on the stock body, the tray is close to the side of drill bit with the shutoff stopper is kept away from the side fixed connection of drill bit, the cover is equipped with the nut on the stock body, the nut with stock body threaded connection, the nut be close to the side of shutoff stopper can with the tray is kept away from the side looks butt of shutoff stopper.
Through adopting above-mentioned technical scheme, rotate the nut, make the nut promote the tray and remove towards the direction that is close to the drill bit, make the tray promote the shutoff and plug up drilling to when reducing grout in to drilling, the thick liquid spills over in the drilling.
Preferably, the outer peripheral surface of the sealing plug is provided with an annular tooth socket.
By adopting the technical scheme, the annular tooth socket is formed on the outer peripheral surface of the plugging plug, and the plugging plug is grouted into the drill hole, so that the resistance between the plugging plug and the hole wall is increased, and the possibility that the plugging plug is separated from the drill hole is reduced.
Preferably, the outer peripheral face cover of nut is established and is fixed with the ring gear, the tray is kept away from the side of shutoff stopper is fixed with the fixed block, the fixed block is close to the spacing groove has been seted up to the side of nut, slidable mounting has the stopper in the spacing groove, the stopper is close to the one end of nut can be inserted and is located in the ring gear, the stopper is close to the one end of nut is most advanced, the spacing groove is kept away from the round hole has been seted up to the medial surface of nut, the round hole runs through the fixed block, the round hole interpolation is equipped with the carriage release lever, the carriage release lever is close to the one end of nut with the stopper is connected.
By adopting the technical scheme, after the nut is screwed, the limiting block is inserted into the gear ring, so that the nut is limited to rotate freely, the nut can apply axial force to the anchor rod body conveniently, and the pre-tightening effect on the anchor rod is completed.
Preferably, the week side cover of carriage release lever is equipped with the spring, the one end of spring with stopper fixed connection, the other end of spring with the spacing groove is kept away from the medial surface fixed connection of nut.
Through adopting above-mentioned technical scheme, the stopper is tightly inserted under the spring action of spring and is located in the ring gear to reduce the possibility that the stopper breaks away from in the ring gear.
Preferably, a sliding block is fixed on the side face of the limiting block, a sliding groove is formed in the inner side face of the limiting groove, and the sliding block is slidably mounted in the sliding groove.
Through adopting above-mentioned technical scheme, when the stopper removed in the spacing inslot, the slider removed in the spout to reduce the possibility that the stopper breaks away from the spacing inslot.
Preferably, the moving rod is rotatably connected with the limiting block, a stop block is fixed on the outer peripheral surface of the moving rod, a through groove is formed in the inner peripheral surface of the through hole, and the stop block can pass through the through groove.
Through adopting above-mentioned technical scheme, remove the carriage release lever orientation and keep away from the direction of nut, make the stopper break away from the ring gear and remove to the spacing inslot, the stop block passes logical groove, rotates the carriage release lever and loosens, makes the side that the stop block is close to the nut and the side looks butt that the nut was kept away from to the fixed block to hinder the stopper orientation and remove near the direction of ring gear.
In summary, the present application includes at least the following advantageous technical effects:
1. when the anchor rod body rotates towards the cutting direction of the drill bit, the cylindrical block is abutted against the side face of the spiral groove, so that the anchor rod body drives the wedge body and the drill bit to rotate in the same direction;
2. the spiral teeth are arranged on the outer peripheral surface of the anchor rod body, and when the drill bit drills a hole in the surrounding rock, surrounding rock fragments are discharged out of the drilled hole through the spiral teeth, so that workers can clean the surrounding rock fragments in the drilled hole conveniently;
3. the nut is rotated to enable the nut to push the tray to move towards the direction close to the drill bit, so that the tray pushes the plugging plug to plug the drilled hole, and therefore slurry overflows from the drilled hole when grouting into the drilled hole is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of a novel expanding-shell type hollow post-grouting enlarged head anchor rod according to an embodiment of the application.
Fig. 2 is a cross-sectional view of the bolt body and wedge in an embodiment of the present application.
Fig. 3 is an enlarged schematic view at a in fig. 2.
Fig. 4 is a schematic structural diagram of a wedge in the embodiment of the present application.
Fig. 5 is a sectional view of a fixing block in the embodiment of the present application.
Reference numerals: 1. an anchor body; 11. helical teeth; 12. expanding the shell; 13. a cavity; 14. a cylindrical block; 15. a helical groove; 2. a wedge body; 21. a connecting rod; 22. a circular truncated cone; 23. a drill bit; 24. a through hole; 3. a fixing plate; 31. a round bar; 32. grouting holes; 33. a pulp outlet; 4. a tray; 41. blocking; 42. an annular socket; 5. a nut; 51. a ring gear; 6. a fixed block; 61. a limiting groove; 62. a limiting block; 63. a chute; 64. a slider; 65. a circular hole; 66. a travel bar; 67. a spring; 68. a stopper block; 69. a through groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses novel shell that rises formula cavity back slip casting enlarged footing stock.
Referring to fig. 1 and 2, the novel expanding shell type hollow rear grouting enlarged footing anchor rod comprises an anchor rod body 1 and a wedge body 2. The cavity 13 has been seted up to the inside of stock body 1, and the cavity 13 runs through the stock body 1 along the axial of stock body 1. Spiral teeth 11 are formed on the outer peripheral surface of the anchor rod body 1, and an expansion shell 12 is fixed at one end of the anchor rod body 1. The wedge body 2 comprises a connecting rod 21, a round table 22 is integrally formed at one end of the connecting rod 21, a drill bit 23 is fixed on the side, away from the connecting rod 21, of the round table 22, a through hole 24 is formed in the side, away from the drill bit 23, of the connecting rod 21, and the through hole 24 penetrates through the drill bit 23 along the axial direction of the connecting rod 21. The connecting rod 21 is inserted into the cavity 13, and the end surface of the expansion shell 12 close to the drill 23 can be abutted against the outer peripheral surface of the circular truncated cone 22.
Referring to fig. 3 and 4, two cylindrical blocks 14 are fixed to the inner circumferential surface of the cavity 13, and the two cylindrical blocks 14 are symmetrically arranged along the circumferential direction of the anchor rod body 1. Two spiral grooves 15 are formed in the outer peripheral surface of the connecting rod 21, the rotating directions of the two spiral grooves 15 are the same, and the cylindrical block 14 is connected with the connecting rod 21 in a sliding mode along the axial direction of the connecting rod 21 through the spiral grooves 15.
Referring to fig. 2, a fixing plate 3 is fixed in the cavity 13, an outer circumferential surface of the fixing plate 3 is fixedly connected with an inner circumferential surface of the cavity 13, a round rod 31 is fixed on a side surface of the fixing plate 3 close to the drill 23, one end of the round rod 31 is inserted into the through hole 24, and the round rod 31 is slidably connected with the connecting rod 21 through the through hole 24 along an axial direction of the connecting rod 21. The side of the fixing plate 3 far away from the drill 23 is provided with a grouting hole 32, and the grouting hole 32 extends into the round rod 31. Four grout outlets 33 are formed in the outer peripheral surface of the round rod 31, and the grout outlets 33 are communicated with the grouting holes 32.
Referring to fig. 1, the outer peripheral surface of the anchor rod body 1 is sleeved with a plugging plug 41, the plugging plug 41 is connected with the anchor rod body 1 in a sliding manner along the axial direction of the anchor rod body 1, and the outer peripheral surface of the plugging plug 41 is provided with an annular tooth socket 42. The outer peripheral face cover of stock body 1 is equipped with tray 4, and tray 4 slides along the axial of stock body 1 and is connected with stock body 1, and tray 4 is close to the side that rises shell 12 and seals up the side fixed connection that blocks up 41 and keep away from the shell 12 that rises.
Referring to fig. 1 and 5, the outer circumferential surface of the anchor rod body 1 is sleeved with a nut 5, the nut 5 is in threaded connection with the anchor rod body 1, and the side surface of the nut 5 close to the sealing plug 41 can be abutted against the side surface of the tray 4 far from the sealing plug 41. The outer peripheral face of nut 5 is overlapped and is fixed with ring gear 51, and the side that the jam 41 was kept away from to tray 4 is fixed with fixed block 6, and the side that fixed block 6 is close to nut 5 has seted up spacing groove 61. Spacing groove 61 interpolation is equipped with stopper 62, and stopper 62 slides through spacing groove 61 along the length direction of fixed block 6 and is connected with fixed block 6, and the one end that stopper 62 is close to nut 5 is most advanced, and the one end that stopper 62 is close to nut 5 can insert and locate in ring gear 51.
Referring to fig. 5, both sides of the limiting block 62 are fixed with sliding blocks 64, two opposite inner sides of the limiting groove 61 are provided with sliding grooves 63, and the sliding blocks 64 are connected with the fixing block 6 in a sliding manner along the length direction of the fixing block 6 through the sliding grooves 63. The side of the fixing block 6, which is far away from the nut 5, is provided with a round hole 65, and the round hole 65 is communicated with the limiting groove 61. The side surface of the limiting block 62 far away from the nut 5 is rotatably connected with a moving rod 66, and one end of the moving rod 66 far away from the limiting block 62 penetrates through the round hole 65. The periphery of the moving rod 66 is sleeved with a spring 67, one end of the spring 67 close to the nut 5 is fixedly connected with the side face of the limiting block 62 far away from the nut 5, and one end of the spring 67 far away from the nut 5 is fixedly connected with the inner side face of the limiting groove 61 far away from the nut 5. A through groove 69 is formed in the inner peripheral surface of the circular hole 65, and a stopper 68 that can pass through the through groove 69 is fixed to the outer peripheral surface of the moving rod 66.
The implementation principle of slip casting enlarged footing stock behind novel rising shell formula cavity of this application embodiment does: the anchor rod body 1 rotates along the cutting direction of the drill bit 23, the anchor rod body 1 drives the connecting rod 21 to rotate, the connecting rod 21 drives the drill bit 23 to rotate, so that the drill bit 23 drills into the surrounding rock, and the anchor rod body 1 also drills into the surrounding rock along with the drill bit 23; when the anchor rod body 1 drills into the surrounding rock, the anchor rod body 1 is rotated reversely, the connecting rod 21 and the drill bit 23 are not moved, the cylindrical block 14 moves towards the direction close to the drill bit 23 through the spiral groove 15, so that the anchor rod body 1 moves towards the direction close to the drill bit 23, the expansion shell 12 is abutted to the circular truncated cone 22 to open the expansion shell 12, the anchor rod body 1 simultaneously drives the fixing plate 3 to move towards the direction close to the drill bit 23, the fixing plate 3 drives the circular rod 31 to move towards the direction close to the drill bit 23, surrounding rock fragments in the through hole 24 of the connecting rod 21 are pushed out from the through hole 24, a grout outlet 33 on the circular rod 31 is separated from the through hole 24, the possibility that the surrounding rock fragments block the through hole 24 is reduced, and grout is grouted into the surrounding rock through the grout outlet 33.
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. Novel slip casting enlarged footing stock behind shell type cavity that rises, include stock body (1), wedge (2) and be fixed in drill bit (23) of wedge (2) one end, its characterized in that: the anchor rod comprises an anchor rod body (1), wherein a cavity (13) is formed in the anchor rod body (1), the cavity (13) penetrates through the anchor rod body (1) along the axial direction of the anchor rod body (1), a through hole (24) is formed in the wedge body (2), the through hole (24) penetrates through the wedge body (2) and a drill bit (23) along the axial direction, one end, far away from the drill bit (23), of the wedge body (2) is inserted into the cavity (13), one end, close to the drill bit (23), of the anchor rod body (1) is provided with an expansion shell (12), the outer circumferential surface of the wedge body (2) is provided with a spiral groove (15), the inner circumferential surface of the wedge body (2) is fixed with a cylindrical block (14), the cylindrical block (14) is connected with the wedge body (2) in a sliding mode through the spiral groove (15), the inner circumferential surface of the cavity (13) is fixed with a fixing plate (3), the side surface, close to the wedge body (2), of the fixing plate (3) is fixed with a round rod (31), the round rod (31) is inserted into the through hole (24), the round rod (31) is formed in the side surface, the fixing plate (3) is provided with a round hole (32), and the round rod (31) extends from which is formed in the round hole (32), the grout outlet (33) is communicated with the grouting hole (32).
2. The novel expanding shell type hollow post-grouting enlarged footing anchor rod of claim 1, which is characterized in that: spiral teeth (11) are formed on the outer peripheral surface of the anchor rod body (1).
3. The novel expanding shell type hollow post-grouting enlarged footing anchor rod of claim 1, which is characterized in that: the cover is equipped with and seals up jam (41) on stock body (1), seal up jam (41) and follow the axial of stock body (1) with the stock body (1) is slided and is connected, the cover is equipped with tray (4) on stock body (1), tray (4) are close to the side of drill bit (23) with seal up jam (41) and keep away from the side fixed connection of drill bit (23), the cover is equipped with nut (5) on stock body (1), nut (5) with stock body (1) threaded connection, nut (5) be close to seal up the side that blocks up (41) can with tray (4) are kept away from seal up the side looks butt that blocks up (41).
4. The novel expanding shell type hollow post-grouting enlarged footing anchor rod of claim 3, which is characterized in that: the outer peripheral surface of the sealing plug (41) is provided with an annular tooth socket (42).
5. The novel expanding shell type hollow rear grouting enlarged footing anchor rod as claimed in claim 3, wherein: the outer peripheral face cover of nut (5) is established and is fixed with ring gear (51), keep away from tray (4) the side of shutoff stopper (41) is fixed with fixed block (6), fixed block (6) are close to spacing groove (61) have been seted up to the side of nut (5), slidable mounting has stopper (62) in spacing groove (61), stopper (62) are close to the one end of nut (5) can be inserted and locate in ring gear (51), stopper (62) are close to the one end of nut (5) is most advanced, spacing groove (61) are kept away from round hole (65) have been seted up to the medial surface of nut (5), round hole (65) run through fixed block (6), the interpolation of round hole (65) is equipped with carriage release lever (66), carriage release lever (66) are close to the one end of nut (5) with stopper (62) are connected.
6. The novel expanding shell type hollow post-grouting enlarged footing anchor rod of claim 5, which is characterized in that: the week side cover of carriage release lever (66) is equipped with spring (67), the one end of spring (67) with stopper (62) fixed connection, the other end of spring (67) with spacing groove (61) is kept away from the medial surface fixed connection of nut (5).
7. The novel expanding shell type hollow rear grouting enlarged footing anchor rod as claimed in claim 5, wherein: a sliding block (64) is fixed to the side face of the limiting block (62), a sliding groove (63) is formed in the inner side face of the limiting groove (61), and the sliding block (64) is installed in the sliding groove (63) in a sliding mode.
8. The novel expanding shell type hollow rear grouting enlarged footing anchor rod as claimed in claim 5, wherein: the moving rod (66) is rotatably connected with the limiting block (62), a stop block (68) is fixed on the outer peripheral surface of the moving rod (66), a through groove (69) is formed in the inner peripheral surface of the through hole (24), and the stop block (68) can penetrate through the through groove (69).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222368211.3U CN218206744U (en) | 2022-09-06 | 2022-09-06 | Novel expansion shell type hollow post-grouting enlarged footing anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222368211.3U CN218206744U (en) | 2022-09-06 | 2022-09-06 | Novel expansion shell type hollow post-grouting enlarged footing anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218206744U true CN218206744U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222368211.3U Expired - Fee Related CN218206744U (en) | 2022-09-06 | 2022-09-06 | Novel expansion shell type hollow post-grouting enlarged footing anchor rod |
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| Country | Link |
|---|---|
| CN (1) | CN218206744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215547A (en) * | 2021-12-21 | 2022-03-22 | 南京康泰建筑灌浆科技有限公司 | Lifting device is prevented in thick liquid under tunnel bottom plate |
-
2022
- 2022-09-06 CN CN202222368211.3U patent/CN218206744U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215547A (en) * | 2021-12-21 | 2022-03-22 | 南京康泰建筑灌浆科技有限公司 | Lifting device is prevented in thick liquid under tunnel bottom plate |
| CN114215547B (en) * | 2021-12-21 | 2023-10-20 | 南京康泰建筑灌浆科技有限公司 | Grouting lifting prevention device under tunnel bottom plate |
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| CF01 | Termination of patent right due to non-payment of annual fee |