CN215630029U - Self-advancing anchor rod with controllable expansion end - Google Patents
Self-advancing anchor rod with controllable expansion end Download PDFInfo
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- CN215630029U CN215630029U CN202121442745.5U CN202121442745U CN215630029U CN 215630029 U CN215630029 U CN 215630029U CN 202121442745 U CN202121442745 U CN 202121442745U CN 215630029 U CN215630029 U CN 215630029U
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Abstract
The utility model provides a self-advancing anchor rod with an end part capable of being controlled to expand, and belongs to the technical field of anchor rods. The device includes: the anchor mechanism, only thick liquid mechanism and supporting mechanism, wherein, the drill bit is provided with the slip casting hole, first stock is installed in the one end of drill bit, the second stock is installed in the one end of first stock, the one end and the first passageway threaded connection of adapter sleeve, the other end and the second stock threaded connection of adapter sleeve, the one end and the second stock of interior only thick liquid stopper are connected, interior only thick liquid stopper is connected with outer only thick liquid stopper, the inflation body is installed in the one end of interior only thick liquid stopper, interior only thick liquid stopper is provided with first through-hole, the one end and the drill bit of connecting rod are connected, the other end and the first stock of connecting rod are connected, the one end and the connecting rod of card are connected, the other end and the movable sleeve of card are connected, movable sleeve and connecting rod sliding connection, the one end and the movable sleeve of branch are connected, the other end and the card of branch are connected, the device can improve the anchor effect under the complicated bottom condition.
Description
Technical Field
The utility model relates to the technical field of anchor rods, in particular to a self-advancing anchor rod with an end part capable of being controlled to expand.
Background
When the frame anchor rod is constructed, the side slope must be excavated step by step and protected step by step. Protection and drainage of the slope surface are well carried out in the construction process, protection construction and greening coverage are carried out on the slope surface as soon as possible after the slope body is excavated, and necessary shielding measures are taken for the excavated slope surface in a rainstorm season to prevent rainwater from directly scouring the slope surface. After the general side slope is excavated, the slope surface is a slope collapse and lamination layer, the structure is loose, the slope collapse and the soil body are crushed stones or pebbles, the stability of the soil body is extremely poor, and in the process of implementing anchor rod drilling, due to poor geological conditions, hole collapse is serious in the drilling and pulling-out processes, the hole forming is very difficult, and the steel bar anchor rod cannot be inserted easily.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a self-advancing anchor rod with an end part capable of being controlled to expand, and aims to improve the anchoring effect under the condition of a complex bottom layer.
The utility model is realized by the following steps: a self-advancing bolt with controllable expansion of the end, comprising: anchor mechanism, thick liquid mechanism and supporting mechanism stop.
The anchoring mechanism comprises a drill bit, a first anchor rod, a second anchor rod and a connecting sleeve, the drill bit is provided with a grouting hole, the first anchor rod is installed at one end of the drill bit, a first channel is formed in the first anchor rod, the grouting hole is communicated with the first channel, the second anchor rod is installed at one end of the first anchor rod, the second anchor rod is provided with a second channel, the first channel is communicated with the second channel, the outer portions of the first anchor rod and the second anchor rod are in threaded arrangement, one end of the connecting sleeve is in threaded connection with the first channel, and the other end of the connecting sleeve is in threaded connection with the second anchor rod;
the grout stopping mechanism comprises an inner grout stopping plug, an outer grout stopping plug and an expansion body, one end of the inner grout stopping plug is connected with the second anchor rod, the other end of the inner grout stopping plug is connected with the outer grout stopping plug, the expansion body is installed at one end of the inner grout stopping plug, the inner grout stopping plug is provided with a first through hole, and the second channel is communicated with the first through hole;
the supporting mechanism comprises a connecting rod, a clamping piece, a movable sleeve and a supporting rod, one end of the connecting rod is connected with the drill bit, the other end of the connecting rod is connected with the first anchor rod, one end of the clamping piece is connected with the connecting rod, the other end of the clamping piece is connected with the movable sleeve, the movable sleeve is arranged on the connecting rod, the movable sleeve is connected with the connecting rod in a sliding mode, one end of the supporting rod is connected with the movable sleeve, and the other end of the supporting rod is connected with the clamping piece.
In the embodiment of the utility model, one end of a first anchor rod is connected with a drill bit, the other end of the first anchor rod is connected with a second anchor rod through a connecting sleeve, the drill bit is provided with a grouting hole, the first anchor rod is provided with a first passage, the second anchor rod is provided with a second passage, the first passage, the second passage and the grouting hole are communicated, the first anchor rod and the second anchor rod are externally provided with threads, the connecting sleeve is in threaded connection with the first anchor rod and the second anchor rod, the continuous threads enable the anchor rod to have stronger bonding resistance than a smooth steel pipe, one end of an inner grout stop plug is connected with the second anchor rod, the other end of the inner grout stop plug is connected with an outer grout stop plug, the inner grout stop plug is provided with a first through hole, the second passage is communicated with the first through hole, an expansion body is arranged at one end of the inner grout stop plug, the expansion body can hermetically connect the inner grout stop plug with the second anchor rod when expanding, and slurry can flow to the grouting hole through the second passage and the first passage, anchoring, wherein an inner grout stop plug and an outer grout stop plug are arranged after anchoring, the inner grout stop plug is used for sealing a second anchor rod, the outer grout stop plug can seal a second channel and prevent slurry from flowing outwards, one end of a connecting rod is connected with a drill bit, the other end of the connecting rod is connected with a first anchor rod, one end of a clamping piece is connected with the connecting rod, the other end of the clamping piece is connected with a movable sleeve, the movable sleeve is sleeved on the connecting rod and is in sliding connection with the connecting rod, one end of a supporting rod is connected with the movable sleeve, the other end of the supporting rod is connected with the clamping piece, the movable sleeve can move downwards relative to the connecting rod under the action of gravity to drive the supporting rod to drive the clamping piece to be opened, the clamping piece can increase the occluding force of the anchor rod and soil, the bearing capacity of the anchor rod is improved, when the anchor rod is used, an anchor head is aligned to a position needing drilling, a motor is started to work through a controller, and a pressure controller pressurizes the drilling position, the cooperation motor makes the speed of drilling obviously promote, utilizes the slip casting of slip casting hole, and in the slurry entered into the slurry passageway by the control valve, reachd the grout outlet through the buffer board after utilizing the vibration of vibrator, carry out the slip casting in drilling, let holistic effect of strutting further promote, screw on the body of rod can make drilling from advancing the ability stronger, satisfies the designing requirement, improves the anchor effect under the complicated bottom condition.
In an embodiment of the utility model, the grout stopping mechanism further comprises an expansion water stop strip, and the expansion water stop strip is installed at two ends of the inner grout stopping plug.
In the embodiment of the utility model, the expansion water stop bars are arranged at two ends of the inner grout stop plug, and the expansion water stop bars can expand to seal the inner grout stop plug and the second anchor rod so as to prevent the grout in the second anchor rod from flowing out of the second anchor rod.
In one embodiment of the utility model, the outer grout stop plug is provided with a connecting port, one end of the inner grout stop plug is provided with a connecting arm, and the connecting arm is connected with the connecting port.
In the embodiment of the utility model, the outer grout stopping plug is provided with the connecting port, the inner grout stopping plug is provided with the connecting arm, and the connecting port is connected with the connecting arm to increase the connection between the outer grout stopping plug and the inner grout stopping plug.
In one embodiment of the utility model, the connecting rod is provided with a third passage, which communicates with the first passage and the grouting hole.
In the embodiment of the utility model, the connecting rod is provided with a third channel, one end of the third channel is communicated with the first channel, the other end of the third channel is communicated with the grouting hole, and the slurry can reach the grouting hole through the third channel.
In an embodiment of the utility model, the supporting mechanism further includes a connecting ring, the connecting ring is sleeved on the connecting rod, and the connecting ring is rotatably connected with the card.
In the embodiment of the utility model, the connecting ring is arranged at one end of the connecting rod, the connecting ring is sleeved on the connecting rod, the connecting ring is rotatably connected with the card, one end of the card can rotate relative to the connecting ring, and the abutting of the card and soil is increased.
In one embodiment of the utility model, there are a plurality of cards.
In the embodiment of the utility model, the number of the clamping pieces is multiple, the clamping pieces are arranged around the connecting ring and can rotate around the connecting rod, and the effect of the anchor rod can be increased by the opened clamping pieces.
In one embodiment of the utility model, the first anchor rod is provided with a first vent hole, which communicates with the first passage.
In the embodiment of the utility model, the first anchor rod is provided with the first vent hole, and the first vent hole discharges air in the first anchor rod when slurry enters the first anchor rod, so that the flowing uniformity of the slurry is increased, and the anchoring effect is improved.
In one embodiment of the utility model, the second anchor rod is provided with a second vent hole, which communicates with the second passage.
In the embodiment of the utility model, the second anchor rod is provided with the second vent hole, and the second vent hole discharges air in the second anchor rod when slurry enters the second anchor rod, so that the flowing uniformity of the slurry is increased, and the anchoring effect is improved.
In one embodiment of the utility model, the anchoring mechanism further comprises a spacer mounted to one end of the second anchor rod.
In the embodiment of the utility model, the gasket is arranged at one end of the second anchor rod far away from the first anchor rod, the gasket is connected with the second anchor rod, and the installation of the backing plate can increase the pulling resistance and the bonding force of the anchor rod, so that the anchor rod can better play the anchoring role.
In one embodiment of the utility model, the anchoring mechanism further comprises a lock nut, the lock nut is in threaded connection with the second anchor rod, and the lock nut can lock the gasket.
In the embodiment of the utility model, the locking nut is in threaded connection with the second anchor rod, the gasket can be in threaded connection with the second anchor rod through the locking nut, and the gasket is fixed to be connected with the second anchor rod, so that the gasket is prevented from falling off.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is an exploded view of a self-advancing bolt with controllable expansion of its end according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an anchoring mechanism of a self-advancing bolt with controllable expansion of an end part, provided by an embodiment of the utility model;
fig. 3 is a sectional view of an anchoring mechanism of a self-advancing bolt with controllable expansion of the end part according to an embodiment of the present invention;
fig. 4 is a cross section of a grout stopping mechanism of a self-advancing bolt with controllable expansion of the end part, provided by the embodiment of the utility model;
fig. 5 is a schematic structural diagram of a supporting mechanism of a self-advancing bolt with controllable expansion of an end part according to an embodiment of the utility model;
fig. 6 is a schematic structural diagram of a supporting mechanism of a self-advancing bolt with controllable expansion of an end portion according to an embodiment of the utility model.
In the figure: 10-self-advancing anchor rod with controllable expansion at the end part; 100-an anchoring mechanism; 110-a drill bit; 130-a first anchor; 150-a second anchor; 170-connecting sleeve; 190-a gasket; 210-a lock nut; 300-a slurry stopping mechanism; 310-inner stop plug; 311-an engagement arm; 330-external grout stop plug; 350-an expansion body; 370-expansion water stop bar; 500-a support mechanism; 510-a connecting rod; 530-card; 550-a movable sleeve; 570-a strut; 590-connecting ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1, an embodiment of the present invention provides a self-advancing bolt 10 with controllable expansion of its end, including: an anchoring mechanism 100, a grout stopping mechanism 300 and a support mechanism 500.
Referring to fig. 2 and 3, the anchoring mechanism 100 includes a drill bit 110, a first anchor rod 130, a second anchor rod 150, a connecting sleeve 170, a washer 190, and a lock nut 210. In a specific arrangement, the drill bit 110 is made of an alloy material, and the drill bit 110 may be a cylindrical tooth drill bit 110, a cross-shaped drill bit 110, a cone drill bit 110, or the like, and the drill bit 110, the cylindrical tooth drill bit 110 or the cross-shaped drill bit 110 for rock, the cross-shaped drill bit 110 for loose soil and soft soil, and the cone drill bit 110 for loose soil and cohesive soil are selected according to geological conditions. In a specific arrangement, the drill bit 110 is provided with a grout hole, which in particular enables the outflow of the slurry. When specifically setting up, first stock 130 is installed in the one end of drill bit 110, and first stock 130 is provided with the first passageway, and the first passageway communicates with the slip casting hole, and specifically, the outside of first stock 130 is the screw thread setting. In a specific arrangement, the second anchor rod 150 is installed at one end of the first anchor rod 130, the second anchor rod 150 is provided with a second passage, the second passage is communicated with the first passage, and specifically, the outside of the second anchor rod 150 is in a threaded arrangement. In a specific arrangement, one end of the connecting sleeve 170 is in threaded connection with the first anchor rod 130, and the other end of the connecting sleeve 170 is in threaded connection with the second anchor rod 150. When specifically setting up, gasket 190 is installed in the one end of second stock 150, and specifically, second stock 150 can be the arch setting, and the second stock 150 that the arch set up is favorable to increasing the stickness of second stock 150. In a specific arrangement, the lock nut 210 is installed at one end of the second anchor rod 150, specifically, the lock nut 210 is in threaded connection with the second anchor rod 150, and the lock nut 210 is used for locking the washer 190 and the second anchor rod 150.
Referring to fig. 4, the grout stopping mechanism 300 includes an inner grout stop plug 310, an outer grout stop plug 330, an expansion body 350 and an expansion water stop bar 370. When specifically setting up, interior thick liquid stopper 310 is installed in the one end of second passageway, specifically, interior thick liquid stopper 310 is provided with first through-hole, first through-hole and second passageway intercommunication. In particular arrangements, the outer grout plug 330 is installed at one end of the inner grout plug 310. in particular, the outer grout plug 330 is used to seal the second passage. In specific arrangement, the inner grout stopping plug 310 is provided with a connecting port, the outer grout stopping plug 330 is provided with a connecting arm 311, and the connecting port is connected with the connecting arm 311 in a connecting manner. In particular arrangements, an expansion body 350 is mounted at one end of the inner grout stop plug 310, and in particular, the expansion body is capable of expanding under pressure to sealingly connect the inner grout stop plug 310 with the second anchor 150. In a specific arrangement, there are two expansion water stop strips 370, the two expansion water stop strips 370 are installed at two ends of the inner grout stop plug 310, and the expansion water stop strips 370 are used for sealing the inner grout stop plug 310 and the second anchor rod 150.
Referring to fig. 5 and 6, the supporting mechanism 500 includes a connecting rod 510, a clamping plate 530, a movable sleeve 550, a supporting rod 570, and a connecting ring 590. In a specific arrangement, one end of the connecting rod 510 is connected to the drill bit 110, and the other end of the connecting rod 510 is connected to the first anchor rod 130, and specifically, the connecting rod 510 is provided with a third channel, and the third channel is communicated with the first channel and the grouting hole. When specifically setting up, the connecting rod 510 is located to go-between 590 cover, the one end and the go-between 590 of card 530 rotate to be connected, the other end of card 530 with be connected with the movable sleeve 550 through branch 570, the connecting rod 510 and with connecting rod 510 sliding connection are located to the movable sleeve 550 cover, the one end and the movable sleeve 550 of branch 570 rotate to be connected, the other end and the card 530 of branch 570 rotate to be connected, the movable sleeve 550 can slide to drill bit 110 direction under the effect of gravity, and drive card 530 rotates around go-between 590, it is specific, card 530 has a plurality ofly, a plurality of cards 530 are installed along connecting rod 510 circumference, a plurality of cards 530 can increase the fastness of device installation.
In the embodiment of the present invention, one end of the first anchor rod 130 is connected to the drill bit 110, the other end of the first anchor rod 130 is connected to the second anchor rod 150 through the connection sleeve 170, the drill bit 110 is provided with a grouting hole, the first anchor rod 130 is provided with a first passage, the second anchor rod 150 is provided with a second passage, the first passage, the second passage and the grouting hole are communicated, the first anchor rod 130 and the second anchor rod 150 are externally provided with threads, the connection sleeve 170 is in threaded connection with the first anchor rod 130 and the second anchor rod 150, the continuous threads enable the anchor rods to have stronger bonding resistance than a smooth steel pipe, one end of the inner grout stop plug 310 is connected to the second anchor rod 150, the other end of the inner grout stop plug 310 is connected to the outer grout stop plug 330, the inner grout stop plug 310 is provided with a first through hole, the second passage is communicated with the first through hole, the expansion body 350 is installed at one end of the inner grout stop plug 310, the expansion body 350 can hermetically connect the inner grout stop plug 310 with the second anchor rod 150 when expanding, slurry can flow to the grouting hole through the first through hole, the second channel and the first channel for anchoring, the inner grout stop plug 310 and the outer grout stop plug 330 are installed after anchoring, the inner grout stop plug 310 is used for sealing the second anchor rod 150, the outer grout stop plug 330 can close the second channel to prevent slurry from flowing outwards, one end of the connecting rod 510 is connected with the drill bit 110, the other end of the connecting rod 510 is connected with the first anchor rod 130, one end of the clamping piece 530 is connected with the connecting rod 510, the other end of the clamping piece 530 is connected with the movable sleeve 550, the movable sleeve 550 is sleeved on the connecting rod 510, the movable sleeve 550 is connected with the connecting rod 510 in a sliding manner, one end of the supporting rod 570 is connected with the movable sleeve 550, the other end of the supporting rod 570 is connected with the clamping piece 530, the movable sleeve 550 can move downwards relative to the connecting rod 510 under the action of gravity to drive the clamping piece 570 to drive the clamping piece 530 to open, the clamping piece 530 can increase the meshing force of the anchor rod and the soil, and improve the bearing capacity of the anchor rod, during the use, aim at the position that needs drilling with the anchor head, start motor through the controller and carry out work, pressure controller pressurizes the drilling position, the cooperation motor makes the speed of drilling obviously promote, utilize slip casting hole slip casting, the slurry enters into the slurry passageway by the control valve in, reach out the thick liquid mouth through the buffer board after utilizing the vibration of vibrator, carry out the slip casting in drilling, let holistic effect of strutting further promote, the screw thread on the body of rod can make drilling from advancing the ability stronger, satisfy the designing requirement, improve the anchor effect under the complicated bottom condition.
It should be noted that the specific model specification of the drill bit 110 needs to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A self-advancing bolt with controllable expansion of its end, comprising:
the anchoring mechanism comprises a drill bit, a first anchor rod, a second anchor rod and a connecting sleeve, wherein the drill bit is provided with a grouting hole, the first anchor rod is installed at one end of the drill bit, a first channel is formed in the first anchor rod, the grouting hole is communicated with the first channel, the second anchor rod is installed at one end of the first anchor rod, the second anchor rod is provided with a second channel, the first channel is communicated with the second channel, the outer parts of the first anchor rod and the second anchor rod are in threaded arrangement, one end of the connecting sleeve is in threaded connection with the first channel, and the other end of the connecting sleeve is in threaded connection with the second anchor rod;
the grout stopping mechanism comprises an inner grout stopping plug, an outer grout stopping plug and an expansion body, one end of the inner grout stopping plug is connected with the second anchor rod, the other end of the inner grout stopping plug is connected with the outer grout stopping plug, the expansion body is installed at one end of the inner grout stopping plug, the inner grout stopping plug is provided with a first through hole, and the second channel is communicated with the first through hole;
supporting mechanism, supporting mechanism includes connecting rod, card, movable sleeve and branch, the one end of connecting rod with the drill bit is connected, the other end of connecting rod with first stock is connected, the one end of card with the connecting rod is connected, the other end of card with the movable sleeve is connected, the movable sleeve is located the connecting rod, the movable sleeve with connecting rod sliding connection, the one end of branch with the movable sleeve is connected, the other end of branch with the card is connected.
2. A self-advancing anchor rod with controllable expansion of its end portion according to claim 1, wherein the grout stop mechanism further comprises an expansion water stop bar, and the expansion water stop bar is mounted at both ends of the inner grout stop plug.
3. A self-advancing bolt with controllable expansion of its end according to claim 1, wherein the outer grout stop plug is provided with an adapter port, and one end of the inner grout stop plug is provided with an adapter arm, and the adapter arm is engaged with the adapter port.
4. A self-advancing bolt with controllably expandable end according to claim 1, wherein the connecting rod is provided with a third passage communicating with the first passage and the grouting hole.
5. A self-advancing bolt with controllable expansion of the end part according to claim 1, wherein the support mechanism further comprises a connection ring, the connection ring is sleeved on the connection rod, and the connection ring is rotatably connected with the clamping plate.
6. A self-advancing bolt with controllably expandable end according to claim 5, wherein there are a plurality of said tabs.
7. A self-advancing bolt with controllable expansion of an end according to claim 1, wherein the first bolt is provided with a first ventilation aperture, the first ventilation aperture being in communication with the first passage.
8. A self-advancing bolt with controllable expansion of the end portion according to claim 1, wherein the second bolt is provided with a second vent hole, the second vent hole communicating with the second channel.
9. A self-advancing bolt with controllable expansion of an end portion according to claim 1, wherein the anchoring mechanism further comprises a spacer mounted at one end of the second bolt.
10. A self-advancing bolt with controllable expansion of an end according to claim 9, wherein the anchoring mechanism further comprises a lock nut, the lock nut is in threaded connection with the second bolt, and the lock nut can lock the washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121442745.5U CN215630029U (en) | 2021-06-28 | 2021-06-28 | Self-advancing anchor rod with controllable expansion end |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121442745.5U CN215630029U (en) | 2021-06-28 | 2021-06-28 | Self-advancing anchor rod with controllable expansion end |
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| CN215630029U true CN215630029U (en) | 2022-01-25 |
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| CN202121442745.5U Active CN215630029U (en) | 2021-06-28 | 2021-06-28 | Self-advancing anchor rod with controllable expansion end |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115354671A (en) * | 2022-07-28 | 2022-11-18 | 四川省公路规划勘察设计研究院有限公司 | A anchor structure for in situ reinforcement dangerous rock |
-
2021
- 2021-06-28 CN CN202121442745.5U patent/CN215630029U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115354671A (en) * | 2022-07-28 | 2022-11-18 | 四川省公路规划勘察设计研究院有限公司 | A anchor structure for in situ reinforcement dangerous rock |
| CN115354671B (en) * | 2022-07-28 | 2023-09-26 | 四川省公路规划勘察设计研究院有限公司 | Anchor-pulling structure for in-situ reinforcement of dangerous rock |
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