Tunnel hollow anchor rod grouting device
By designing a grouting device with a storage tank, mixing blades, and pressure sensors, the problems of uneven grout mixing and inconvenient grouting were solved, achieving uniform mixing of the grout and effective control of the grouting process, thus improving grouting quality and construction efficiency.
Patent Information
- Application Number
- CN202520439736.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing tunnel hollow anchor grouting devices suffer from uneven grout mixing during grouting and difficulty in sealing after grouting, resulting in time-consuming and labor-intensive construction and poor grouting effect.
A grouting device including a storage tank, a grouting pump, a mixing blade, and a pressure sensor was designed. The mixing blade mixes the grout to ensure uniform grouting, and the pressure sensor monitors and controls the grouting pressure. Combined with a sealing structure, the anchor hole is effectively sealed.
This achieved uniform mixing of the grout and effective control of the grouting process, ensuring grouting quality and construction efficiency, and improving the grouting effect.
Smart Images
Figure CN223724646U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to tunnel construction technical field, concretely relates to a tunnel hollow anchor rod grouting device. BACKGROUND
[0002] Tunnel anchor rod support plays a vital role in controlling tunnel surrounding rock deformation, and at present, more tunnel anchor rod support designs adopt hollow anchor rod or self-advancing hollow anchor rod, which has the main feature that the anchor rod is arranged in the arch wall, has long length, and the anchor hole direction is vertical upward, oblique upward, horizontal or oblique downward, and all directions exist, and for the vertical upward, downward, oblique upward and horizontal anchor hole, the traditional grouting mode adopts anchor rod body external grouting.
[0003] However, the existing hollow anchor rod rapid grouting device still has some problems, such as: 1, the existing tunnel hollow anchor rod grouting device is not convenient for further mixing of the slurry during grouting, and the slurry exists the phenomenon of uneven mixing; 2, it is not convenient to seal the anchor hole after grouting, and the construction is time-consuming and laborious, and the grouting effect cannot be guaranteed.
[0004] Therefore, it is very necessary to invent a tunnel hollow anchor rod grouting device convenient to maintain. UTILITY MODEL CONTENTS
[0005] The utility model aims at the shortage of prior art, provides a kind of tunnel hollow anchor rod grouting device, and specific scheme is as follows:
[0006] A kind of tunnel hollow anchor rod grouting device, including base, the bottom of the base is equipped with multiple support legs, the bottom of the support leg is equipped with universal wheel with locking mechanism;The top of the base is equipped with storage tank by multiple support rods, the top of the storage tank is equipped with injection port, the bottom of storage tank is equipped with discharge port, the injection port, discharge port are all equipped with sealing cover;The storage tank is equipped with material extraction assembly, the material extraction assembly includes the cylindrical shell that is set on the top of storage tank by multiple support rods, the side wall of the shell is equipped with inlet, the direction of the inlet deviates the axis of shell, the top of the shell is equipped with outlet, the axis position of shell is penetrated and rotationally equipped with the rotating tube extending to the discharge port, multiple blades are equipped on the rotating tube in the shell, the rotating tube in the storage tank is equipped with spiral stirring blade and multiple stirring rods, the top of the shell is fixedly provided with grouting pump by mounting bracket, the inlet of the grouting pump is rotationally connected with the top end of the rotating tube by swivel joint, and the outlet of the grouting pump is connected with the inlet by connecting pipe;The outlet is connected with grouting assembly by material conveying hose;The base is equipped with support rod, and the upper end of the support rod is equipped with handle;The grouting pump is electrically connected with the controller arranged on the handle.
[0007] Based on the above, the grouting assembly comprises a sealing plate for an anchor hole opened on a side wall of a tunnel, a hollow anchor rod is screwed through the sealing plate, a sealing plug is screwed to an outer end of the anchor rod, a grouting pipe one is screwed through the sealing plate, a one-way valve is arranged in the grouting pipe one, an outer end of the grouting pipe one is connected with one end of a grouting pipe two through a threaded sleeve, and the other end of the grouting pipe two is connected with the material conveying hose.
[0008] Based on the above, the grouting pipe two is rotationally connected with top ends of a pair of connecting plate frames, bottom ends of the pair of connecting plate frames are rotationally connected with the collecting barrel.
[0009] Based on the above, the grouting pipe two is further provided with an adjusting valve.
[0010] Based on the above, the grouting pipe two is further provided with a pressure sensor electrically connected with the controller.
[0011] The utility model discloses relative prior art has substantial characteristics and progress, specifically speaking, the utility model has the following advantages:
[0012] The tunnel hollow anchor rod grouting device has the advantages that the structure design facilitates mixing and stirring of the slurry during grouting, ensures uniform mixing of the slurry, and guarantees the grouting effect; in addition, the structure design of the grouting assembly facilitates air discharge in the anchor hole during grouting, facilitates control of the flow rate of the slurry during grouting, and can monitor the pressure of the slurry during grouting, further ensuring the grouting quality of the side wall of the tunnel. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the overall structure schematic diagram of the utility model.
[0014] Figure 2 It is Figure 1 The structure schematic diagram of A in the middle.
[0015] Figure 3 It is Figure 1 The structure schematic diagram of B in the middle.
[0016] Figure 4 It is the structure schematic diagram of the sealing plate in the utility model.
[0017] In the figure: 1. base; 2. support leg; 3. universal wheel; 4. storage tank; 5. pumping assembly; 5-1. shell; 5-2. feeding port; 5-3. discharging port; 5-4. rotating pipe; 5-5. blade; 5-6. grouting pump; 5-7. connecting pipe; 5-8. rotary joint; 5-9. stirring rod; 5-10. helical stirring blade; 6. support rod; 7. handle; 8. anchor hole; 9. feeding hose; 10. sealing plate; 11. anchor rod; 12. sealing plug; 13. grouting pipe I; 14. grouting pipe II; 15. threaded sleeve; 16. regulating valve; 17. connecting plate frame; 18. collecting bucket; 19. controller; 20. pressure sensor. DETAILED DESCRIPTION
[0018] The technical scheme of the utility model will be described in further detail below through specific embodiments. EMBODIMENT
[0019] As Figures 1-4 shown in the figure, the utility model provides a tunnel hollow anchor rod 11 grouting device, including base 1, the bottom of base 1 is equipped with multiple support legs 2, the bottom of support leg 2 is equipped with universal wheel 3 with locking mechanism;The top of base 1 is equipped with storage tank 4 through multiple support rods 5-11, the top of storage tank 4 is equipped with material injection port, the bottom of storage tank 4 is equipped with discharge port, the material injection port and discharge port are all equipped with sealing cover;Pumping assembly 5 is equipped on storage tank 4, pumping assembly 5 includes cylindrical shell 5-1 arranged on the top of storage tank 4 through multiple support rods, the sidewall of shell 5-1 is equipped with feeding port 5-2, the direction of feeding port 5-2 deviates from the axis of shell 5-1, the top of shell 5-1 is equipped with discharging port 5-3, the axis position of shell 5-1 is penetrated and rotationally equipped with rotating pipe 5-4 extending to the discharge port, multiple blades 5-5 are equipped on rotating pipe 5-4 in shell 5-1, helical stirring blade 5-10 and multiple stirring rods 5-9 are equipped on rotating pipe 5-4 in storage tank 4, grouting pump 5-6 is fixedly equipped on the top of shell 5-1 through mounting frame, the inlet of grouting pump 5-6 is rotationally connected with the top end of rotating pipe 5-4 through rotary joint 5-8, the outlet of grouting pump 5-6 is connected with feeding port 5-2 through connecting pipe 5-7;Discharging port 5-3 is connected with grouting assembly through feeding hose 9;Support rod 5-11 is equipped on base 1, the upper end of support rod 5-11 is equipped with handle 7;Grouting pump 5-6 is electrically connected with controller 19 arranged on handle 7.
[0020] The grouting assembly comprises a sealing plate 10 for the anchor hole 8 formed on the side wall of the tunnel, a hollow anchor rod 11 is threaded through the sealing plate 10, and a sealing plug 12 is threaded on the outer end of the anchor rod 11; a grouting pipe I 13 is also threaded through the sealing plate 10, a one-way valve is arranged in the grouting pipe I 13, the outer end of the grouting pipe I 13 is connected with one end of a grouting pipe II 14 through a threaded sleeve 15, and the other end of the grouting pipe II 14 is connected with the material conveying hose 9.
[0021] In order to facilitate the collection of the slurry flowing out of the anchor rod 11, the grouting pipe II 14 is rotatably connected with the top ends of a pair of connecting plate frames 17, and the bottom ends of the connecting plate frames 17 are rotatably connected with a collecting barrel 18.
[0022] In order to facilitate the control of the flow during grouting, an adjusting valve 16 is further arranged on the grouting pipe II 14.
[0023] In order to facilitate the detection of the pressure of the slurry when grouting into the anchor hole 8, a pressure sensor 20 electrically connected with the controller 19 is further arranged on the grouting pipe II 14.
[0024] The specific working principle of the utility model is as follows: firstly, the anchor hole 8 with a proper depth is drilled on the side wall of the tunnel through the drilling equipment, then the anchor rod 11 and the grouting pipe I 13 are threaded through the sealing plate 10, and then the anchor rod 11 is inserted into the drilling hole, the sealing plate 10 is located at the outer end of the anchor hole 8, and the inner end of the anchor rod 11 is located at the innermost end of the anchor hole 8, and the sealing plate 10 is fixed through the anchoring agent. After the anchoring agent hardens, the grouting pipe I 13 and the grouting pipe II 14 are connected through the threaded sleeve 15, the opening size of the adjusting valve 16 is adjusted to control the slurry flow to be appropriate, the grouting pump 5-6 is started through the controller 19, the slurry in the storage tank 4 enters the outer shell 5-1 through the rotating pipe 5-4, the grouting pump 5-6 and the connecting pipe 5-7, the slurry impacts on the blade 5-5 to make the rotating pipe 5-4 rotate, and the helical stirring blade 5-10 and the stirring rod 5-9 stir and mix the slurry when the rotating pipe 5-4 rotates, and then the slurry is discharged from the discharge port 5-3, enters the anchor hole 8 through the material conveying hose 9, the grouting pipe I 13 and the grouting pipe II 14, and the air in the anchor hole 8 is discharged from the anchor rod 11 as the slurry enters the anchor hole 8, after the slurry flows out of the anchor rod 11 and falls into the collecting barrel 18, the grouting pump 5-6 is closed, the outer end of the anchor rod 11 is sealed through the sealing plug 12, the opening size of the adjusting valve 16 is adjusted again to increase the slurry flow, then the grouting pump 5-6 is started through the controller 19, the pressure sensor 20 transmits the measured pressure to the controller 19 in real time, after the pressure value reaches the set value, the grouting pump 5-6 is closed, the grouting pipe II 14 is taken down through the threaded sleeve, after a period of time, the slurry seeps into the gap in the side wall of the tunnel, the grouting pipe I 13 is taken down, and the threaded holes on the sealing plate 10 corresponding to the grouting pipe II 14 are sealed through the anchoring agent, and the grouting is completed.
[0025] It should be noted that the above examples are used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent ones; without departing from the spirit of the technical solutions of the present application, all of them should be covered in the technical solution range of the present application claimed.
Claims
1. A tunnel hollow anchor rod grouting device, characterized in that: The utility model provides a tunnel grouting device, including base (1), the bottom of base (1) is equipped with a plurality of support legs (2), the bottom of support leg (2) is equipped with the universal wheel (3) with locking mechanism, the top of base (1) is equipped with the storage tank (4) through a plurality of support rods (5-11), the top of storage tank (4) is equipped with the injection port, the bottom of storage tank (4) is equipped with the discharge port, and the injection port, discharge port is equipped with sealing cover, the upper of storage tank (4) is equipped with the draw component (5), the draw component (5) includes the cylindrical shell (5-1) of being set up through a plurality of support rods on the top of storage tank (4), the lateral wall of shell (5-1) is equipped with the feed inlet (5-2), the feed inlet (5-2) is oriented and deviates from the axis of shell (5-1), the top of shell (5-1) is equipped with the discharge port (5-3), the axis position of shell (5-1) is penetrated and is equipped with the rotary pipe (5-4) extending to the discharge port, the rotary pipe (5-4) in shell (5-1) is equipped with a plurality of blades (5-5), the rotary pipe (5-4) in storage tank (4) is equipped with helical stirring blade (5-10) and a plurality of stirring rods (5-9), the top of shell (5-1) is equipped with the grouting pump (5-6) through the mount, the inlet of grouting pump (5-6) is rotatably connected with the top end of rotary pipe (5-4) through swivel joint (5-8), and the outlet of grouting pump (5-6) is connected with the feed inlet (5-2) through connecting pipe (5-7), the discharge port (5-3) is connected with grouting assembly through the feed hose (9), the upper end of support rod (5-11) is equipped with handle (7), the grouting pump (5-6) is electrically connected with the controller (19) arranged on the handle (7).
2. The tunnel hollow anchor rod grouting device according to claim 1, characterized in that: The grouting assembly includes a sealing plate (10) for an anchor hole (8) opened in the sidewall of the tunnel, a hollow anchor rod (11) is screwed through the sealing plate (10), and a sealing plug (12) is screwed to the outer end of the anchor rod (11). A grouting pipe I (13) is also screwed through the sealing plate (10), a one-way valve is arranged in the grouting pipe I (13), the outer end of the grouting pipe I (13) is connected with one end of a grouting pipe II (14) through a threaded sleeve (15), and the other end of the grouting pipe II (14) is connected with the feed hose (9).
3. A tunnel hollow anchor rod grouting device according to claim 2, characterized in that: The grouting pipe II (14) is rotatably connected with the top end of a pair of connecting plate racks (17), and the bottom end of the pair of connecting plate racks (17) is rotatably connected with a collection bucket (18).
4. The tunnel hollow anchor rod grouting device according to claim 2, characterized in that: The grouting pipe II (14) is also provided with an adjusting valve (16).
5. The tunnel hollow anchor rod grouting device according to claim 2, characterized in that: The grouting pipe II (14) is also provided with a pressure sensor (20) electrically connected with the controller (19).