CN211500692U - Prevent stifled hole slip casting stock - Google Patents
Prevent stifled hole slip casting stock Download PDFInfo
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- CN211500692U CN211500692U CN202020173302.XU CN202020173302U CN211500692U CN 211500692 U CN211500692 U CN 211500692U CN 202020173302 U CN202020173302 U CN 202020173302U CN 211500692 U CN211500692 U CN 211500692U
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- grouting
- slip casting
- anchor rod
- hole
- stock
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Abstract
The utility model discloses a prevent stifled hole slip casting stock, including the stock body of rod, be equipped with a plurality of support rings on the stock body of rod, be equipped with a plurality of mutual sealing connection of ability between the two adjacent support rings and be used for the slip casting section of thick bamboo of thick liquid circulation, two adjacent slip casting sections can keep away from in opposite directions and form the gap that is used for a thick liquid discharge slip casting section of thick bamboo. Before the grouting anchor rod enters the drilled hole, the grouting barrel is in a closed state, so that the situation that soil or rocks block a grout outlet of the grouting anchor rod in the process that the grouting anchor rod is inserted into the drilled hole is avoided; after the grouting anchor rod enters the drilled hole, the anchor rod body is relatively far away from the support ring under the stretching action of surrounding rock stress, so that the grouting barrel arranged on the support ring is driven to be mutually far away from the support ring to form a gap, and the purpose of discharging the slurry in the grouting barrel is realized. The utility model overcomes prior art slip casting stock slip casting hole exposes in the slip casting stock, thereby soil layer or the intraformational soil of rock easily block up the problem that the slip casting hole influences the slip casting effect in the installation.
Description
[ technical field ] A method for producing a semiconductor device
The application relates to the foundation pit supporting field, especially relates to a prevent stifled hole slip casting stock.
[ background of the invention ]
With the development of national economy, resource exploitation is continuously promoted to deep parts, the problems of high stress, high temperature, high osmotic water pressure and the like are gradually highlighted, and roadway support becomes a great problem of deep resource exploitation. The anchor bolt support is one of important forms of active support of surrounding rock of underground roadway, and has great significance for maintaining the stability and safety of the surrounding rock. Compared with other supporting modes, the anchor bolt supporting is simple and convenient to operate, the mechanical property of the broken surrounding rock can be improved to a certain extent, the bearing capacity of the surrounding rock is improved, strong supporting resistance can be provided for a rock body, the deformation of the surrounding rock body is controlled, a roadway is maintained to be stable, the supporting effect is obvious, and the safety of the construction environment is guaranteed.
The existing grouting anchor rod is provided with a grouting hole for enabling slurry to flow into a drill hole of a rock drilled body, the grouting hole is exposed out of the grouting anchor rod, when the grouting anchor rod drills into a soil layer or a rock layer, soil in the soil layer or the rock layer easily blocks the grouting hole, and therefore the slurry cannot flow out of the grouting hole when the grouting anchor rod performs grouting.
[ Utility model ] content
The utility model discloses thereby to the current slip casting stock slip casting hole that above-mentioned prior art exists expose in the slip casting stock, thereby the easy problem of blockking up the slip casting hole influence slip casting effect of soil layer or rock stratum basale in the installation makes the improvement, the to-be-solved technical problem of the utility model is to provide a prevent stifled hole slip casting stock.
For solving above-mentioned technical problem, a prevent stifled hole slip casting stock, including the stock body of rod, be equipped with a plurality of edges on the stock body of rod the support ring that stock body of rod length direction distributes, two adjacent be equipped with a plurality of mutual sealing connection of ability between the support ring and be used for the slip casting section of thick bamboo of thick liquid circulation, two adjacent a slip casting section of thick bamboo is in the stock body of rod is in when receiving external force effect down tensile the drive of support ring is kept away from the formation in opposite directions and is used for discharging the thick liquid the gap of a slip casting section of thick bamboo.
As an improvement of the anti-blocking hole grouting anchor rod, a grouting cavity for slurry to pass through is arranged in the grouting barrel, and a first through hole communicated with the grouting cavity is formed in the support ring.
As an improvement of the anti-blocking hole grouting anchor rod, the anchor rod body is arranged on the center of the support ring.
As an improvement of the anti-blocking hole grouting anchor rod, the grouting cylinders comprise a first grouting cylinder and a second grouting cylinder which are oppositely far away from a gap under the driving of the support ring (2) when the anchor rod body is stretched under the action of external force.
As an improvement of the anti-blocking hole grouting anchor rod, a protrusion is arranged at one end, close to the second grouting cylinder, of the first grouting cylinder, and a groove for the protrusion to insert is formed in the second grouting cylinder.
As an improvement of the anti-blocking hole grouting anchor rod, the protrusions are in a sawtooth shape and are distributed along the circumferential direction of the first grouting cylinder.
As an improvement of the anti-blocking hole grouting anchor rod, an elastic group for elastically stretching the support rings is arranged between the support rings.
As an improvement of the anti-blocking hole grouting anchor rod, the elastic group comprises elastic positioning strips arranged between the support rings and elastic pieces sleeved on the elastic positioning strips and elastically stretched on the support rings.
As an improvement of the anti-blocking hole grouting anchor rod, a grout stopping tray used for blocking the grouting barrel is inserted into one end of the anchor rod body in a penetrating mode, and a nut inserted into the anchor rod body is arranged at one end, far away from the support ring, of the grout stopping tray.
As an improvement of the anti-blocking hole grouting anchor rod, the grout stopping tray is provided with a grouting pipeline communicated with the first through hole and used for injecting grout into the grouting barrel, and the grouting pipeline is provided with a piston used for plugging the grouting pipeline.
Compared with the prior art, the utility model has the advantages of as follows:
the utility model provides a prevent stifled hole slip casting stock adopts the structure of the slip casting section of thick bamboo that the distribution of the length direction of the stock body of rod can relatively keep away from under the stress of country rock in order to discharge the thick liquid, before the slip casting stock enters the drilling, the slip casting section of thick bamboo is the closed condition, just so avoided in the slip casting stock insert drilling process soil or rock to block up the grout outlet hole of slip casting stock; after the slip casting stock got into the drilling, a slip casting section of thick bamboo is under the tensile effect of country rock stress, the stock body of rod is stretched, makes the setting be in support ring on the stock body of rod is kept away from relatively, thereby drives the setting and is in a slip casting section of thick bamboo on the support ring is kept away from relatively and is formed the gap, realizes the discharge of thick liquid. Therefore, the utility model overcomes prior art slip casting stock slip casting hole exposes in the slip casting stock, thereby soil layer or the intraformational soil of rock easily block up the problem of the slip casting hole influence slip casting effect in the installation.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a schematic structural view of an anti-blocking grouting anchor rod according to the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic structural view of the anti-blocking grouting anchor rod in a use state;
[ detailed description ] embodiments
In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
By the illustrated slip casting stock of preventing stifled hole in fig. 1, including the stock body of rod 1, be equipped with a plurality of edges on the stock body of rod 1 length direction distributes support ring 2, two adjacent be equipped with a plurality of mutual sealing connection of ability between the support ring 2 and be used for the slip casting section of thick bamboo 3 of thick liquid circulation, two adjacent a slip casting section of thick bamboo 3 is in when the stock body of rod 1 receives external force effect down tensile the drive of support ring 2 is kept away from the formation in opposite directions and is used for discharging the thick liquid the gap of a slip casting section of thick bamboo 3. As can be seen from the figure, the grouting anchor rod consists of a support ring 2 and a grouting barrel 3 which are distributed on the anchor rod body 1, and the grouting barrel 3 is in a closed state before the grouting anchor rod enters the drilled hole, so that the situation that soil or rocks block a grout outlet of the grouting anchor rod in the process that the grouting anchor rod is inserted into the drilled hole is avoided; after the slip casting stock got into the drilling, the anchor rod body of rod 1 made the setting under the tensile effect of country rock stress thereby support ring 2 on the anchor rod body of rod 1 keeps away from relatively and drives the setting and is in on the support ring 2 a slip casting section of thick bamboo 3 keeps away from each other and forms the gap, the realization is right the discharge of the thick liquid of a slip casting section of thick bamboo 3. Therefore, the utility model overcomes prior art slip casting stock slip casting hole exposes in the slip casting stock, thereby soil layer or the intraformational soil of rock easily block up the problem of the slip casting hole influence slip casting effect in the installation.
It is further known from a plug hole grouting anchor as shown in fig. 1, wherein the support ring 2 is welded to the anchor rod body 1 and the grouting cylinder 3 is welded to the support ring 2. By adopting the structure, the structure is simple and the implementation is convenient.
It can be known from the hole-blocking-preventing grouting anchor rod shown in fig. 1 that, furthermore, a grouting cavity 4 for slurry to pass through is arranged in the grouting barrel 3, and a first through hole 5 communicated with the grouting cavity 4 is arranged on the support ring 2. As can be known from the figure, a grouting cylinder 3 is a hollow cylinder, and forms a grouting cavity 4 for slurry to pass through, and a support ring 2 arranged on the grouting cavity 4 is provided with a first through hole 5 communicated with the grouting cavity 4. And the structure is simple and the implementation is convenient.
It is further known from the type of plug-hole grouting anchor shown in fig. 1 that the anchor rod body 1 is arranged in the center of the support ring 2. As can be seen from the figure, the anchor rod body 1 penetrates through the center of the support ring 2, and by adopting the structure, the stability and the deformation resistance of the grouting anchor rod structure can be enhanced.
It can be known from the anti-blocking hole grouting anchor rod shown in fig. 1 that, furthermore, the plurality of grouting cylinders 3 include a first grouting cylinder 31 and a second grouting cylinder 32 which are away from each other in opposite directions to form a gap under the driving of the support ring 2 when the anchor rod body 1 is stretched under the action of external force. One embodiment of the grouting barrel 3 arranged between the support rings 2 is shown, the first grouting barrel 31 is welded on the support ring 2, the second grouting barrel 32 is welded on the other opposite support ring 2, and the first grouting barrel 31 and the second grouting barrel 32 are relatively far away from the formation gap under the stress of surrounding rocks to discharge the grout in the grouting cavity 4. By adopting the structure, the structure is simple and the implementation is convenient.
As can be known from the anti-blocking hole grouting anchor rod shown in fig. 1, further, a protrusion 33 is provided at one end of the first grouting cylinder 31 close to the second grouting cylinder 32, and a groove 34 for inserting the protrusion 33 is provided on the second grouting cylinder 32. By adopting the structure, the first grouting cylinder 31 can be more stably covered on the second grouting cylinder 32, so that the grouting anchor rod structure is more stable and has stronger deformation resistance.
As can be seen from a block hole grouting bolt shown in fig. 1, further, the protrusions 33 are formed in a zigzag shape and are distributed along the circumferential direction of the first grouting cylinder 31. By adopting the structure, the structure is simple, the implementation is convenient, and the deformation resistance is strong.
As can be seen from the type of hole-blocking grouting bolt shown in fig. 1, further, between the support rings 2 there is provided an elastic group 6 that elastically stretches the support rings 2. The figure shows an embodiment of the elastic assembly 6, which includes elastic positioning strips 61 disposed between the support rings 2 and elastic members 62 sleeved on the elastic positioning strips 61 to elastically stretch the support rings 2. Adopt this kind of structure, before the slip casting stock gets into the drilling, a plurality of slip casting section of thick bamboo 32 are in sealed effect is better under the tensile effect of elastic component 62 after the slip casting stock gets into the drilling, can effectively prevent the speed that the relative keeping away from under the stress of country rock in slip casting chamber 4 is too fast, and thick liquid exhaust speed is too fast, leads to the deformation of slip casting stock or cracked problem to appear.
It can be known from the hole slip casting stock that prevents that shown in fig. 1, further, the one end interlude of the stock body of rod 1 has the grout stopping tray 7 that is used for the shutoff a slip casting section of thick bamboo 3, the grout stopping tray 7 is kept away from the one end of support ring 2 is equipped with the nut 8 of interlude on the stock body of rod 1. By adopting the structure, when high-pressure grouting is carried out, the grouting body locks the grout stopping tray 7 and the rock mass, the pressure of the grouting body is higher, the tension of the grouting anchor rod is higher, the grout stopping tray 7 is more tightly attached to the rock mass, and the supporting effect is good.
It can be known from the anti-blocking hole grouting anchor rod shown in fig. 1 that, furthermore, a grouting pipeline 9 which is communicated with the first through hole 5 and used for injecting grout into the grouting barrel 3 is arranged on the grout-stopping tray 7, and a piston 10 which is used for plugging the grouting pipeline 9 is arranged on the grouting pipeline 9. By adopting the structure, the grouting can be performed on the grouting barrel 3 through the grouting pipeline 9 arranged on the grout stopping tray 7, and after the grouting is finished, the grouting pipeline 9 can be blocked by the piston 10 to prevent the leakage of the grout.
The utility model discloses the operating principle of scheme one by one prevents stifled hole slip casting stock as follows:
the utility model provides a prevent stifled hole slip casting stock, including the stock body of rod, be equipped with a plurality of edges on the stock body of rod the support ring that stock body of rod length direction distributes, be equipped with a plurality of slip casting section of thick bamboos that are used for the thick liquid to pass through and keep away from relatively with the discharge thick liquid under the stress of country rock between the support ring. When the anchor rod is grouted, firstly determining the anchoring position of the anchor rod in a deep tunnel, drilling an anchor rod hole in rock, filling a resin cartridge into the bottom of the anchor rod hole after the anchor rod hole is formed, and then inserting the utility model, wherein at the moment, the grouting cylinder is in a closed state, so that the situation that soil or rock blocks a grout outlet of the grouting anchor rod in the process that the grouting anchor rod is inserted into the drilled hole is avoided; the utility model discloses get into the downthehole back of stock completely, the stock body of rod and the anchor that bonds of resin cartridge, just a slip casting section of thick bamboo is under the tensile effect of country rock stress, the stock body of rod is elongated, sets up support ring on the stock body of rod is kept away from relatively to the drive sets up a slip casting section of thick bamboo on the support ring is kept away from relatively, realizes the discharge of thick liquid. Therefore, the utility model overcomes prior art slip casting stock slip casting hole exposes in the slip casting stock, thereby soil layer or the intraformational soil of rock easily block up the problem of the slip casting hole influence slip casting effect in the installation.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms disclosed. Similar or identical methods, structures, etc. as used herein, or several technical inferences or substitutions made on the concept of the present application should be considered as the scope of the present application.
Claims (10)
1. The utility model provides a prevent stifled hole slip casting stock, its characterized in that, includes the stock body of rod (1), be equipped with a plurality of edges on the stock body of rod (1) the support ring (2) that the stock body of rod (1) length direction distributes, two adjacent be equipped with a plurality of ability mutual sealing connection between support ring (2) and be used for a slip casting section of thick bamboo (3) of thick liquid circulation, two adjacent a slip casting section of thick bamboo (3) is in when the stock body of rod (1) receives external force effect under tensile the drive of support ring (2) keep away from the formation in opposite directions and be used for discharging the thick liquid the gap of a slip casting section of thick bamboo (3).
2. The anti-blocking hole grouting anchor rod according to claim 1, wherein a grouting cavity (4) for slurry to pass through is formed in the grouting cylinder (3), and a first through hole (5) communicated with the grouting cavity (4) is formed in the support ring (2).
3. The anti-blocking hole grouting anchor rod according to claim 2, characterized in that the anchor rod body (1) is arranged on the center of the support ring (2).
4. The anti-blocking hole grouting anchor rod according to claim 3, wherein the plurality of grouting cylinders (3) comprise a first grouting cylinder (31) and a second grouting cylinder (32) which are away from each other to form a gap under the driving of the support ring (2) when the anchor rod body (1) is stretched under the action of external force.
5. The anti-blocking hole grouting anchor rod according to claim 4, wherein a protrusion (33) is arranged at one end of the first grouting cylinder (31) close to the second grouting cylinder (32), and a groove (34) for the protrusion (33) to insert is formed in the second grouting cylinder (32).
6. The anti-blocking hole grouting anchor rod of claim 5, wherein the protrusions (33) are serrated and distributed in the circumferential direction of the first grouting cylinder (31).
7. The anti-blocking hole grouting anchor rod according to claim 6, characterized in that an elastic group (6) for elastically stretching the support rings (2) is arranged between the support rings (2).
8. An anti-block hole grouting anchor rod according to claim 7, characterized in that the elastic group (6) comprises elastic positioning strips (61) arranged between the support rings (2) and elastic members (62) sleeved on the elastic positioning strips (61) and elastically stretching the support rings (2).
9. The anti-blocking hole grouting anchor rod according to claim 8, wherein a grout stopping tray (7) used for blocking the grouting barrel (3) is inserted into one end of the anchor rod body (1), and a nut (8) inserted into the anchor rod body (1) is arranged at one end, far away from the support ring (2), of the grout stopping tray (7).
10. The anti-blocking hole grouting anchor rod according to claim 9, wherein a grouting pipeline (9) communicated with the first through hole (5) and used for injecting grout into the grouting barrel (3) is arranged on the grout stopping tray (7), and a piston (10) used for blocking the grouting pipeline (9) is arranged on the grouting pipeline (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020173302.XU CN211500692U (en) | 2020-02-16 | 2020-02-16 | Prevent stifled hole slip casting stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020173302.XU CN211500692U (en) | 2020-02-16 | 2020-02-16 | Prevent stifled hole slip casting stock |
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| Publication Number | Publication Date |
|---|---|
| CN211500692U true CN211500692U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020173302.XU Active CN211500692U (en) | 2020-02-16 | 2020-02-16 | Prevent stifled hole slip casting stock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211500692U (en) |
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2020
- 2020-02-16 CN CN202020173302.XU patent/CN211500692U/en active Active
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