Grouting pipe for bag type expansion anchor rod

Abstract

The utility model relates to a grouting pipe for a bag type expansion anchor rod, which belongs to the technical field of bag type expansion anchor rods and comprises a grouting pipe body, a stirring shaft is rotatably mounted in the grouting pipe body, and stirring blades are fixedly connected to the outer side of the stirring shaft at equal intervals. The grouting pipe has the advantages that due to the arrangement of the stirring blades and the stirring shaft, the grouting pipe can rotate freely in the grouting process, slurry blockage is prevented, meanwhile, the multiple slurry outlet holes are formed in the outer wall of the grouting pipe body and evenly distributed in the length direction of the grouting pipe body, uniform grouting is achieved, and the grouting efficiency is improved. By arranging the anti-blocking structure and the evenly-distributed grout outlet holes, the problems that a traditional grouting pipe body is prone to blocking and grouting is uneven are effectively solved. And meanwhile, through the optimized design of the connecting mechanism and the stirring blades, the applicability of the grouting pipe body is improved, the service life of the grouting pipe body is prolonged, and therefore the technical scheme can meet the grouting requirement under the complex geological condition, and the construction quality and efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of capsule type expanding body anchor rod, especially relates to a grouting pipe for capsule type expanding body anchor rod. BACKGROUND

[0002] Capsule type anchor rod has been developed rapidly in recent years, and its good anticorrosion performance, high reliability and large pulling force have been widely recognized. The manufacturing cost has been greatly reduced, and the trend of completely replacing ordinary anchor rods has gradually emerged. According to the structure of the capsule bag, capsule type anchor rods can be divided into two categories: cage core capsule anchor rod and through core capsule anchor rod. The through core capsule anchor rod is provided with a separation pipe in the center of the capsule bag. Cement slurry is injected to expand the capsule bag and coagulate into a cement slurry capsule body with a through hole in the center. The anchor rod body penetrates into the through hole from the upper opening and penetrates out of the lower opening. A nut and a pad are installed at the end of the rod body to hold the capsule body.

[0003] In the prior art, the grouting pipe is a key component of the capsule type expanding body anchor rod. The performance of the grouting pipe directly affects the grouting effect and the bearing capacity of the anchor rod. At present, the grouting pipes on the market still need to be improved in terms of design, convenience of use and grouting effect.

[0004] Traditional grouting pipes usually adopt a single tubular structure. During grouting, problems such as blockage and uneven grouting may occur, which affects the construction quality and efficiency. TECHNICAL SOLUTION

[0005] In view of the above problems in the prior art, the main purpose of the utility model is to provide a grouting pipe for a capsule type expanding body anchor rod.

[0006] The technical scheme of the utility model is as follows: a grouting pipe for a capsule type expanding body anchor rod, comprising a grouting pipe body, a stirring shaft is rotatably installed inside the grouting pipe body, stirring blades are fixedly connected at equal intervals on the outside of the stirring shaft, the stirring blades are arranged in the axial direction, a grouting hole is arranged at the bottom of the inside of the grouting pipe body, the grouting holes are uniformly distributed along the length direction of the grouting pipe body, serrations are fixedly connected at equal intervals on the outside of the stirring blades, a stabilizing mechanism is arranged inside the grouting pipe body, a transmission mechanism is arranged at the top of the inside of the grouting pipe body, and a connecting mechanism is arranged on the outside of the grouting pipe body.

[0007] By adopting the above technical scheme, the problems of easy blockage and uneven grouting of the traditional grouting pipe body are effectively solved by arranging the anti-blocking structure and the uniformly distributed grouting holes. At the same time, the applicability and service life of the grouting pipe body are improved by optimizing the design of the connecting mechanism and the stirring blades, so that the technical scheme can adapt to the grouting requirements under complex geological conditions and improve the construction quality and efficiency.

[0008] As a preferred implementation, the connecting mechanism comprises grouting pipes fixedly connected on both sides of the grouting pipe body, the grouting pipes are fixedly connected with first connecting flanges on the sides away from the grouting pipe body, the first connecting flanges are provided with second connecting flanges on the sides away from the grouting pipes, and bolts are equidistantly arranged in the second connecting flanges.

[0009] By adopting the above technical scheme, the grouting pipe body can be quickly connected with external equipment through the first connecting flange, the second connecting flange, the fixing nut and the bolt.

[0010] As a preferred implementation, the connecting mechanism further comprises a sealing gasket fixedly connected on the side of the second connecting flange close to the first connecting flange, the sealing gasket has a ring structure, a sealing groove is formed in the first connecting flange and matched with the sealing gasket, the first connecting flange and the second connecting flange are connected through the bolt and the fixing nut, and the fixing nut is in abutment with the first connecting flange.

[0011] By adopting the above technical scheme, when the first connecting flange and the second connecting flange are connected, the sealing gasket and the sealing groove are tightly engaged, so that the connection tightness between the first connecting flange and the second connecting flange is improved.

[0012] As a preferred implementation, the transmission mechanism comprises a servo motor fixedly installed at the top end inside the grouting pipe body, and the output shaft of the servo motor is fixedly connected with the top end of the stirring shaft.

[0013] By adopting the above technical scheme, the stirring shaft can be driven to rotate through the rotation of the output shaft of the servo motor.

[0014] As a preferred implementation, the stabilizing mechanism comprises guide grooves equidistantly formed in the inner wall of the grouting pipe body, guide blocks are slidingly installed in the guide grooves, guide strips are fixedly connected to the sides of the guide blocks close to the stirring shaft, and the two guide strips are fixedly connected to the two sides of the stirring shaft.

[0015] By adopting the above technical scheme, the stability of the stirring blades during rotation can be ensured through the cooperation of the guide grooves, the guide blocks and the guide strips.

[0016] As a preferred implementation, the outer side of the grouting pipe body is provided with a bag, and the outer side of the stirring blade is coated with a wear-resistant coating.

[0017] By adopting the above technical scheme, the wear resistance of the stirring blade is improved by coating the surface of the stirring blade with a wear-resistant coating.

[0018] As a preferred embodiment, the second connecting flange is connected with the external bag type expansion body anchor and other grouting equipment away from the side of the first connecting flange.

[0019] By using the above technical scheme, the grouting pipe is connected with the external bag type expansion body anchor and other grouting equipment through the use of the first connecting flange and the second connecting flange.

[0020] As a preferred embodiment, the outer side of the grouting pipe body is provided with external control equipment, and the servo motor is electrically connected with the external control equipment.

[0021] By using the above technical scheme, the servo motor can be controlled to start and stop through the external control equipment.

[0022] Compared with the prior art, the utility model has the advantages and positive effects that,

[0023] 1. In the utility model, the stirring blade and the stirring shaft are arranged to rotate freely during grouting to prevent grout from being blocked, meanwhile, a plurality of grout outlets are arranged on the outer wall of the grouting pipe body and are evenly distributed along the length direction of the grouting pipe body to realize uniform grouting, and the edge of the stirring blade is serrated to enhance the stirring effect on the grout, thereby further reducing the blocking phenomenon of the grout. The anti-blocking structure and the evenly distributed grout outlets effectively solve the problems of easy blocking of the conventional grouting pipe body and non-uniform grouting. Meanwhile, the optimized connecting mechanism and stirring blade design improve the applicability and service life of the grouting pipe body, so that the technical scheme can adapt to the grouting demand under complex geological conditions and improve the construction quality and efficiency.

[0024] 2. In the utility model, the first connecting flange, the second connecting flange, the fixing nut and the bolt are arranged to realize quick connection of the grouting pipe body with external equipment, reduce the pipeline connection time during construction, and when the first connecting flange and the second connecting flange are connected, the sealing gasket and the sealing groove are tightly clamped to improve the connection tightness between the first connecting flange and the second connecting flange, improve the sealing performance of the two, and avoid leakage of the grout during transportation. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The utility model provides a kind of overall perspective view of grouting pipe for bag type expansion body anchor;

[0026] Figure 2 The utility model provides a kind of sectional view of grouting pipe for bag type expansion body anchor;

[0027] Figure 3The utility model provides a kind of grouting pipe for capsule expansion body anchor rod Figure 2 The enlarged view of A in the middle;

[0028] Figure 4 The utility model provides a kind of grouting pipe for capsule expansion body anchor rod connection mechanism structure schematic diagram.

[0029] Legend: 1, grouting pipe body;2, slurry outlet hole;3, bag;4, grout pipe;5, servo motor;6, stirring vane;7, stirring shaft;8, first connecting flange;9, second connecting flange;10, bolt;11, fixed nut;12, sealing groove;13, sealing gasket;14, sawtooth;15, guide block;16, guide groove;17, guide bar. Specific embodiments

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0031] Reference Figures 1-4 A kind of grouting pipe for capsule expansion body anchor rod, including grouting pipe body 1, stirring shaft 7 is rotatably installed in the inside of grouting pipe body 1, stirring vane 6 is fixedly connected with equidistance on the outside of stirring shaft 7, stirring vane 6 is arranged in the direction of axis, the bottom end array of grouting pipe body 1 inside has slurry outlet hole 2, slurry outlet hole 2 is evenly distributed along the length direction of grouting pipe body 1, the outside of stirring vane 6 is fixedly connected with sawtooth 14 with equidistance, stabilizing mechanism is arranged in the inside of grouting pipe body 1, transmission mechanism is arranged at the top end in the inside of grouting pipe body 1, connecting mechanism is arranged on the outside of grouting pipe body 1, by the setting of stirring vane 6 and stirring shaft 7, can rotate freely in grouting process, prevent slurry blockage, at the same time, multiple slurry outlet holes 2 are provided on the outer wall of grouting pipe body 1, slurry outlet hole 2 is evenly distributed along the length direction of grouting pipe body 1, to realize uniform grouting, and the edge of stirring vane 6 is provided as sawtooth 14, to enhance its stirring effect to slurry, to further reduce the blocking phenomenon of slurry, by setting anti-blocking structure and evenly distributed slurry outlet hole 2, effectively solve the problem that traditional grouting pipe body 1 is easy to block and grouting is not uniform;At the same time, by optimizing the design of connecting mechanism and stirring vane 6, the applicability and service life of grouting pipe body 1 are improved, so that the present technical scheme can adapt to the grouting demand under complex geological conditions, improve construction quality and efficiency.

[0032] Reference Figure 4The connecting mechanism comprises grouting inlet pipes 4 fixedly connected to both sides of the grouting pipe body 1, first connecting flanges 8 fixedly connected to the sides of the grouting inlet pipes 4 away from the grouting pipe body 1, second connecting flanges 9 arranged on the sides of the first connecting flanges 8 away from the grouting inlet pipes 4, bolts 10 equidistantly arranged in the second connecting flanges 9, and connecting holes formed in the first connecting flanges 8 and matched with the bolts 10. The first connecting flanges 8, the second connecting flanges 9, the fixed nuts 11 and the bolts 10 can realize quick connection of the grouting pipe body 1 and external equipment, reduce the pipe connection time during construction, and improve the grouting efficiency.

[0033] With reference to Figure 4 The connecting mechanism further comprises sealing gaskets 13 fixedly connected to the sides of the second connecting flanges 9 close to the first connecting flanges 8. The sealing gaskets 13 are annular in structure. The first connecting flanges 8 are provided with sealing grooves 12 matched with the sealing gaskets 13. The first connecting flanges 8 and the second connecting flanges 9 are connected through the bolts 10 and the fixed nuts 11. The sides of the fixed nuts 11 abut against the first connecting flanges 8. When the first connecting flanges 8 and the second connecting flanges 9 are connected, the sealing gaskets 13 and the sealing grooves 12 are tightly engaged. In this way, the connection tightness between the first connecting flanges 8 and the second connecting flanges 9 can be improved, the sealing performance of the first connecting flanges 8 and the second connecting flanges 9 can be improved, and the leakage of the slurry during the conveying process can be avoided.

[0034] With reference to Figure 2 The transmission mechanism comprises a servo motor 5 fixedly installed at the top end inside the grouting pipe body 1. The output shaft of the servo motor 5 is fixedly connected to the top end of the stirring shaft 7. The rotation of the output shaft of the servo motor 5 can drive the stirring shaft 7 to rotate, thereby realizing power transmission.

[0035] With reference to Figure 3 The stabilizing mechanism comprises guide grooves 16 equidistantly formed in the inner walls of the grouting pipe body 1. The guide grooves 16 are slidably installed with guide blocks 15. The sides of the guide blocks 15 close to the stirring shaft 7 are fixedly connected with guide strips 17. The two guide strips 17 are fixedly connected to the two sides of the stirring shaft 7. The cooperation of the guide grooves 16, the guide blocks 15 and the guide strips 17 can ensure the stability of the stirring blades 6 during rotation and avoid the shaking of the stirring blades 6 during rotation.

[0036] With reference to Figure 1 The outer side of the grouting pipe body 1 is provided with a bag 3. The outer sides of the stirring blades 6 are coated with wear-resistant coatings. The wear-resistant coatings coated on the surfaces of the stirring blades 6 can improve the wear resistance of the stirring blades 6, thereby prolonging the service life of the stirring blades 6.

[0037] With reference to Figure 2The second connecting flange 9 is connected with the external bag type expansion body anchor and other grouting equipment away from the side of the first connecting flange 8, and through the use of the first connecting flange 8 and the second connecting flange 9, the grouting pipe body 1 can be connected with the external bag type expansion body anchor and other grouting equipment.

[0038] With reference to Figure 1 The outer side of the grouting pipe body 1 is provided with external control equipment, and the servo motor 5 is electrically connected with the external control equipment, so that the servo motor 5 can be started and stopped through the external control equipment.

[0039] Working principle: firstly, through the setting of the first connecting flange 8, the second connecting flange 9, the fixing nut 11 and the bolt 10, the grouting pipe body 1 can be quickly connected with the external bag type expansion body anchor and other grouting equipment, the pipeline connection time in construction is reduced, and the grouting efficiency is improved; when the first connecting flange 8 and the second connecting flange 9 are connected, the sealing gasket 13 and the sealing groove 12 are tightly clamped, so that the connection tightness between the first connecting flange 8 and the second connecting flange 9 is improved, and the sealing performance of the two is improved; then the servo motor 5 is started through the external control equipment, and through the rotation of the output shaft of the servo motor 5, the stirring shaft 7 can be driven to rotate.

[0040] Through the setting of the stirring blade 6 and the stirring shaft 7, the grouting process can be freely rotated to prevent the grout from being blocked, meanwhile, a plurality of grout outlets 2 are arranged on the outer wall of the grouting pipe body 1 and are evenly distributed along the length direction of the grouting pipe body 1 to realize uniform grouting, and the edge of the stirring blade 6 is provided with a sawtooth shape 14 to enhance the stirring effect on the grout, thereby further reducing the blocking phenomenon of the grout, and a wear-resistant coating is coated on the surface of the stirring blade 6 to improve the wear resistance of the stirring blade 6, thereby improving the service life of the stirring blade 6, through the setting of the anti-blocking structure and the evenly distributed grout outlets 2, the problems of easy blocking and uneven grouting of the traditional grouting pipe body 1 are effectively solved; meanwhile, through the optimized connection mechanism and the design of the stirring blade 6, the applicability and service life of the grouting pipe body 1 are improved, so that the technical scheme can adapt to the grouting demand under complex geological conditions and improve the construction quality and efficiency.

[0041] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "provided with", "connection" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements, and those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific situation.

[0042] The preferred embodiments of the present application have been described in detail, with a few preferred embodiments, against specific embodiments, for the purpose of fully and completely disclosing the application to those skilled in the art. Though, the above description is only the preferred embodiments of the present application, but not intended to limit the present application. Those skilled in the art can make modifications or equivalent replacements to the technical solutions described in the foregoing embodiments, or make modifications or equivalent replacements to some of the technical features, as long as they are within the spirit and principle of the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A grouting pipe for a capsule type body expanding anchor rod, comprising a grouting pipe body (1), characterized in that: The inside of the grouting pipe body (1) is rotatably provided with a stirring shaft (7), the outer side of the stirring shaft (7) is fixedly connected with stirring blades (6) at equal intervals, the stirring blades (6) are arranged in the axial direction, the bottom end of the inside of the grouting pipe body (1) is provided with grouting holes (2), the grouting holes (2) are uniformly distributed along the length direction of the grouting pipe body (1), the outer side of the stirring blades (6) is fixedly connected with serrations (14) at equal intervals, the inside of the grouting pipe body (1) is provided with a stabilizing mechanism, the top end of the inside of the grouting pipe body (1) is provided with a transmission mechanism, and the outer side of the grouting pipe body (1) is provided with a connecting mechanism.

2. A grouting tube for a capsule expansion anchor according to claim 1, characterized in that: The connecting mechanism comprises grouting pipes (4) fixedly connected to the two sides of the grouting pipe body (1), first connecting flanges (8) fixedly connected to the sides, away from the grouting pipe body (1), of the grouting pipes (4), second connecting flanges (9) provided on the sides, away from the grouting pipe body (1), of the first connecting flanges (8), bolts (10) provided at equal intervals in the interiors of the second connecting flanges (9), and connecting holes provided in the interiors of the first connecting flanges (8) and matched with the bolts (10).

3. A grouting tube for a capsule expansion anchor according to claim 2, characterized in that: The connecting mechanism further comprises sealing gaskets (13) fixedly connected to the sides, close to the first connecting flanges (8), of the second connecting flanges (9), the sealing gaskets (13) have a ring structure, sealing grooves (12) provided in the interiors of the first connecting flanges (8) and matched with the sealing gaskets (13), the sealing grooves (12) engaged with the sealing gaskets (13), the first connecting flanges (8) and the second connecting flanges (9) connected through the bolts (10) and fixed nuts (11), and the sides of the fixed nuts (11) abutting against the first connecting flanges (8).

4. The grouting pipe for the capsule expansion body anchor rod according to claim 1, characterized in that: The transmission mechanism comprises a servo motor (5) fixedly installed at the top end of the inside of the grouting pipe body (1), and the output shaft of the servo motor (5) is fixedly connected with the top end of the stirring shaft (7).

5. The grouting pipe for the capsule expansion body anchor rod according to claim 1, characterized in that: The stabilizing mechanism comprises guide grooves (16) provided at equal intervals in the inner walls of the grouting pipe body (1), guide blocks (15) slidably installed in the interiors of the guide grooves (16), guide strips (17) fixedly connected to the sides, close to the stirring shaft (7), of the guide blocks (15), and two guide strips (17) fixedly connected to the two sides of the stirring shaft (7).

6. The grouting pipe for the capsule expansion body anchor rod according to claim 1, characterized in that: The outer side of the grouting pipe body (1) is provided with a bag (3), and the outer side of the stirring blades (6) is coated with a wear-resistant coating.

7. The grouting pipe for the capsule expansion anchor rod according to claim 2, characterized in that: The side, away from the first connecting flange (8), of the second connecting flange (9) is connected with external bag-type expansion body anchor rods and other grouting equipment.

8. The grouting pipe for the capsule expansion anchor rod according to claim 4, characterized in that: The outer side of the grouting pipe body (1) is provided with external control equipment, and the servo motor (5) is electrically connected with the external control equipment.

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