Rock-soil grouting device capable of automatically adjusting pressure

Abstract

The utility model belongs to the technical field of grouting engineering equipment, and discloses a rock-soil grouting device capable of automatically adjusting pressure, which comprises a feeding component, a flow rate adjusting component and a primary buffer component, and a discharge port of the feeding component is communicated with a feed port of the flow rate adjusting component; the first-stage buffering assembly comprises a first-stage buffering pipeline and a buffering inner pipe connected in the first-stage buffering pipeline in a sleeved mode, a feeding port of the first-stage buffering pipeline is communicated with a discharging port of the flow speed adjusting assembly, and the buffering inner pipe elastically slides in the first-stage buffering pipeline in the axial direction of the first-stage buffering pipeline. The flow speed is adjusted through the flow speed adjusting assembly, the first-stage buffering assembly is arranged, the buffering inner pipe is arranged in the first-stage buffering assembly, and the buffering inner pipe elastically slides in the first-stage buffering pipeline in the axial direction of the first-stage buffering pipeline, so that the buffering inner pipe has the function of adjusting the grouting pressure in a self-adaptive mode; and therefore, the flowing grouting is buffered and regulated in pressure, and the stability of the grouting work is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of grouting engineering equipment, and in particular relates to a rock and soil grouting device capable of automatically adjusting pressure. Background Art

[0002] During the construction of the bridge head, grouting treatment is required. The quality of grouting directly affects the quality of subsequent projects. Therefore, the grouting process needs to be strictly controlled. However, the pressure during the grouting process is uncontrollable. When the pressure is too high or too low, it will directly affect the quality of the bridge head. Among them, the pressure regulating device is a component installed on the grouting equipment. Its main function is to control the pressure value of grouting discharge. However, the existing pressure regulating devices for grouting equipment still have shortcomings: most of them adopt manual or semi-automatic pressure regulating structures. When adjusting the grouting pressure, the operator needs to directly participate manually, which not only increases the workload of the operator, but also reduces the stability of the grouting operation. Utility Model Content

[0003] The utility model aims to provide a rock and soil grouting device with automatic pressure adjustment to solve the above problems existing in the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A geotechnical grouting device with automatic pressure regulation comprises a feed assembly, a flow rate regulating assembly and a primary buffer assembly, wherein the discharge port of the feed assembly is connected with the feed port of the flow rate regulating assembly; the primary buffer assembly comprises a primary buffer pipe and a buffer inner pipe sleeved in the primary buffer pipe, the feed port of the primary buffer pipe is connected with the discharge port of the flow rate regulating assembly, and the buffer inner pipe elastically slides in the primary buffer pipe along the axial direction of the primary buffer pipe.

[0006] As a preferred technical solution in the utility model, a slide groove is provided on the inner wall of the first-level buffer pipe, and a limiting protrusion that matches and slides in the slide groove is provided at one end of the buffer inner tube close to the flow rate regulating component, and a spring is installed between the limiting protrusion and the inner wall of the slide groove away from the flow rate regulating component.

[0007] As a preferred technical solution in the utility model, the feed port of the first-level buffer pipe cooperates with the feed port of the buffer inner tube to form a funnel-shaped receiving port, and the inner diameter of the funnel-shaped receiving port gradually decreases along the flow direction of the grouting.

[0008] As a preferred technical solution in the utility model, the feeding assembly includes a stirring pipe and a feeding pipe, the discharge port of the feeding pipe is connected with the feeding port of the stirring pipe, and the discharge port of the stirring pipe is connected with the feeding port of the adjusting assembly; a spiral stirring rod is provided in the stirring pipe for stirring the grouting entering the stirring pipe and then transporting it to the discharge port of the stirring pipe, and a first rotating shaft is provided at the center of the spiral stirring rod, and the first rotating shaft is connected to a first motor that drives it to rotate.

[0009] As a preferred technical solution in the utility model, the flow rate regulating component includes a flow rate regulating pipe, the feed port of the flow rate regulating pipe is located in the middle of the flow rate regulating pipe, and the discharge port of the flow rate regulating pipe is located at one end thereof; a movable plug is slidably connected in the flow rate regulating pipe below the discharge port of the feed component, and a driving mechanism for driving the movable plug to move in the flow rate regulating pipe is installed at the other end of the flow rate regulating pipe, and the flow rate of grouting in the flow rate regulating pipe is adjusted by the movement of the movable plug in the flow rate regulating pipe.

[0010] As a preferred technical solution in the utility model, the driving mechanism includes a second motor installed at the other end of the flow rate regulating pipe, the motor shaft of the second motor is connected to a rotating core shaft, and the end of the rotating core shaft away from the second motor is provided with an external threaded rod threadedly connected to the movable plug.

[0011] As a preferred technical solution in the utility model, one end of the movable plug is a conical head structure located below the discharge port of the feed assembly, and the other end of the movable plug is provided with a threaded groove threadedly connected to the external threaded rod; a guide groove extending along the grouting flow direction is provided on the inner wall of the flow rate regulating pipe, and the other end of the movable plug is provided with a guide key slidably connected to the guide groove.

[0012] As a preferred technical solution in the utility model, the rotating core shaft is rotatably connected to the flow rate regulating pipeline through a bearing.

[0013] As a preferred technical solution in the utility model, a secondary buffer component is connected to the discharge port of the primary buffer component, and the secondary buffer component includes a secondary buffer pipe connected to the primary buffer component, and an interlocking groove is opened in the secondary buffer pipe, and a buffer blade rotatably connected to the secondary buffer pipe is embedded in the interlocking groove.

[0014] As a preferred technical solution in the present invention, a ball bearing is provided at the contact point between the buffer blade and the engaging groove.

[0015] Beneficial effect: The utility model adjusts the flow rate through a flow rate regulating component. A first-level buffer component is set up, and a buffer inner tube is provided in the first-level buffer component. The buffer inner tube elastically slides in the first-level buffer pipe along the axial direction of the first-level buffer pipe. The reciprocating sliding of the buffer inner tube removes the impact force borne, and pushes back the buffer inner tube, and this is repeated, thereby realizing buffering and pressure regulation of grouting, so that the buffer inner tube has the function of adaptively adjusting the grouting pressure, and then buffers and regulates the pressure of the grouting flowing through, thereby ensuring the stability of the grouting work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional view of the utility model;

[0017] Figure 2 It is the front view of the utility model;

[0018] Figure 3 It is a cross-sectional view of the secondary buffer assembly in the utility model.

[0019] In the figure: 1-feeding assembly; 101-stirring pipe; 102-feeding pipe; 103-spiral stirring rod; 104-first rotating shaft; 105-first motor; 2-flow rate regulating assembly; 201-flow rate regulating pipe; 202-movable plug; 203-second motor; 204-rotating core shaft; 205-external threaded rod; 206-guide groove; 207-guide key; 208-bearing; 3-first buffer assembly; 301-first buffer pipe; 302-buffer inner pipe; 303-spring; 304-funnel-shaped receiving port; 4-secondary buffer assembly; 401-secondary buffer pipe; 402-buffer blade; 403-ball. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the utility model will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the utility model, but does not constitute a limitation of the utility model.

[0021] Example:

[0022] like Figure 1-Figure 3As shown, this embodiment provides a geotechnical grouting device with automatic pressure adjustment, including a feed component 1, a flow rate adjustment component 2 and a first-level buffer component 3. The discharge port of the feed component 1 is connected with the feed port of the flow rate adjustment component 2, and the flow rate is adjusted by the flow rate adjustment component 2; the first-level buffer component 3 includes a first-level buffer pipe 301 and a buffer inner tube 302 sleeved in the first-level buffer pipe 301, the feed port of the first-level buffer pipe 301 is connected with the discharge port of the flow rate adjustment component 2, the buffer inner tube 302 elastically slides in the first-level buffer pipe 301 along the axial direction of the first-level buffer pipe 301, so that the buffer inner tube 302 has the function of adaptively adjusting the grouting pressure, thereby buffering and regulating the pressure of the grouting flowing through, thereby ensuring the stability of the grouting work.

[0023] The utility model adjusts the flow rate through the flow rate regulating component 2, and sets a first-level buffer component 3. The first-level buffer component 3 is provided with a buffer inner tube 302, and the buffer inner tube 302 elastically slides in the first-level buffer pipe 301 along the axial direction of the first-level buffer pipe 301. The reciprocating sliding of the buffer inner tube 302 removes the impact force borne, and pushes back the buffer inner tube 302, and repeats this process, thereby realizing buffering and pressure regulation of grouting, so that the buffer inner tube 302 has the function of adaptively regulating the grouting pressure, and then buffers and regulates the pressure of the grouting flowing through, thereby ensuring the stability of the grouting work.

[0024] As a preferred implementation scheme in this embodiment, it is further explained that a slide groove is provided on the inner wall of the primary buffer pipe 301, and a limiting protrusion matching and sliding in the slide groove is provided at one end of the buffer inner tube 302 close to the flow rate regulating component 2, and a spring 303 is installed between the limiting protrusion and the inner wall of the slide groove away from the flow rate regulating component 2, so that when the grouting impacts the buffer inner tube 302 and the buffer inner tube 302 slides toward the outlet direction, the buffer inner tube 302 is subjected to the elastic resistance of the spring 303, and the grouting pressure can be automatically adjusted. It should be noted that, preferably, the slide groove is an annular slide groove, and the limiting protrusion is an annular limiting protrusion matchingly provided in the annular slide groove; or, at least two arc-shaped slide grooves are provided on the inner wall of the primary buffer pipe 301, and the width of the arc-shaped slide groove can be set according to the diameter of the spring 303, so that the buffer inner tube 302 can also slide elastically in the primary buffer pipe 301 along the axial direction of the primary buffer pipe 301.

[0025] As a preferred implementation scheme in this embodiment, it needs to be further explained that the feed port of the first-level buffer pipe 301 cooperates with the feed port of the buffer inner tube 302 to form a funnel-shaped receiving port 304, and the inner diameter of the funnel-shaped receiving port 304 gradually decreases along the flow direction of the grouting, so as to smoothly receive the grouting flowing through.

[0026] As a preferred implementation scheme in this embodiment, it needs to be further explained that the feeding component 1 includes a stirring pipe 101 and a feeding pipe 102, the discharge port of the feeding pipe 102 is connected to the feeding port of the stirring pipe 101, and the discharge port of the stirring pipe 101 is connected to the feeding port of the adjusting component 2; the stirring pipe 101 is provided with a spiral stirring rod 103 for stirring the grouting entering the stirring pipe 101 and then transporting it to the discharge port of the stirring pipe 101, a first rotating shaft 104 is provided at the center of the spiral stirring rod 103, the first rotating shaft 104 is connected to a first motor 105 for driving it to rotate, and the first motor 105 drives the spiral stirring rod 103 to rotate through the first rotating shaft 104, so as to further stir the grouting entering the stirring pipe 101, and at the same time give the grouting a forward power, so that the grouting can smoothly enter the flow rate adjusting component 2.

[0027] As a preferred implementation scheme in this embodiment, it needs to be further explained that the flow rate regulating component 2 includes a flow rate regulating pipe 201, the feed port of the flow rate regulating pipe 201 is located in the middle of the flow rate regulating pipe 201, and the discharge port of the flow rate regulating pipe 201 is located at one end thereof; a movable plug 202 is slidably connected in the flow rate regulating pipe 201 below the discharge port of the feed component 1, and the flow rate of the grouting in the pipe can be adjusted by sliding the movable plug 202 in the flow rate regulating pipe 201, and the other end of the flow rate regulating pipe 201 is installed with a driving mechanism for driving the movable plug 202 to move in the flow rate regulating pipe 201, and the flow rate of the grouting in the pipe can be adjusted by moving the movable plug 202 in the flow rate regulating pipe 201, so that the flow rate can be conveniently and accurately controlled.

[0028] As a preferred implementation scheme in this embodiment, it needs to be further explained that the driving mechanism includes a second motor 203 installed at the other end of the flow rate regulating pipe 201, and the motor shaft of the second motor 203 is connected to a rotating core shaft 204. The end of the rotating core shaft 204 away from the second motor 203 is provided with an external threaded rod 205 threadedly connected to the movable plug 202. The second motor 203 drives the rotating core shaft 204 to rotate, and the rotating core shaft 204 gives the movable plug 202 a spiral movement force. The movable plug 202 slides linearly under the restriction of the flow rate regulating pipe 201, thereby realizing the flow rate regulation of grouting in the pipe.

[0029] As a preferred implementation scheme in this embodiment, it needs to be further explained that one end of the movable plug 202 is a conical head structure located below the discharge port of the feed assembly 1, so as to facilitate the adjustment of the flow rate of the grouting in the pipeline, and the other end of the movable plug 202 is provided with a threaded groove threadedly connected to the external threaded rod 205; the inner wall of the flow rate regulating pipeline 201 is provided with a guide groove 206 extending along the flow direction of the grouting, and the other end of the movable plug 202 is provided with a guide key 207 slidably connected to the guide groove 206, so that the movable plug 202 can only slide stably in the flow rate regulating pipeline 201.

[0030] As a preferred implementation scheme in this embodiment, it needs to be further explained that the rotating core shaft 204 is rotatably connected to the flow rate regulating pipe 201 through a bearing 208, so as to enhance the stability of the rotating core shaft 204 and reduce friction.

[0031] As a preferred implementation scheme in this embodiment, it needs to be further explained that the discharge port of the primary buffer component 3 is connected to a secondary buffer component 4, and the secondary buffer component 4 includes a secondary buffer pipe 401 connected to the primary buffer component 3. An interlocking groove is provided in the secondary buffer pipe 401, and a buffer blade 402 rotatably connected to the secondary buffer pipe 401 is embedded in the interlocking groove. The buffer blade 402 can further mix the grouting evenly, and also buffer the grouting for a second time to ensure the stability of the grouting work.

[0032] As a preferred implementation scheme in this embodiment, it needs to be further explained that a ball 403 is provided at the contact point between the buffer blade 402 and the interlocking groove, which is the same as the rotating structure of the inner and outer rings of the bearing, and can ensure the flexibility of the buffer blade 402.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rock and soil grouting device with automatic pressure adjustment, characterized in that: The invention comprises a feed component (1), a flow rate regulating component (2) and a primary buffer component (3); the discharge port of the feed component (1) is connected to the feed port of the flow rate regulating component (2); the primary buffer component (3) comprises a primary buffer pipeline (301) and a buffer inner tube (302) sleeved in the primary buffer pipeline (301); the feed port of the primary buffer pipeline (301) is connected to the discharge port of the flow rate regulating component (2); the buffer inner tube (302) elastically slides in the primary buffer pipeline (301) along the axial direction of the primary buffer pipeline (301).

2. The rock and soil grouting device with automatic pressure adjustment according to claim 1, characterized in that: A slide groove is provided on the inner wall of the first-level buffer pipe (301), and a limiting protrusion that matches and slides in the slide groove is provided at one end of the buffer inner tube (302) close to the flow rate regulating component (2), and a spring (303) is installed between the limiting protrusion and the inner wall of the slide groove at one end away from the flow rate regulating component (2).

3. The rock and soil grouting device with automatic pressure adjustment according to claim 2, characterized in that: The feed inlet of the primary buffer pipe (301) cooperates with the feed inlet of the buffer inner pipe (302) to form a funnel-shaped receiving opening (304), and the inner diameter of the funnel-shaped receiving opening (304) gradually decreases along the flow direction of the grouting.

4. The rock and soil grouting device with automatic pressure adjustment according to claim 1, characterized in that: The feeding component (1) comprises a stirring pipe (101) and a feeding pipe (102); the discharge port of the feeding pipe (102) is connected to the feed port of the stirring pipe (101); the discharge port of the stirring pipe (101) is connected to the feed port of the regulating component (2); a spiral stirring rod (103) is arranged in the stirring pipe (101) for conveying the grout entering the stirring pipe (101) to the discharge port of the stirring pipe (101) after stirring; a first rotating shaft (104) is arranged at the center of the spiral stirring rod (103); and the first rotating shaft (104) is connected to a first motor (105) for driving the spiral stirring rod (103) to rotate.

5. The rock and soil grouting device with automatic pressure adjustment according to claim 1, characterized in that: The flow rate regulating component (2) comprises a flow rate regulating pipe (201), the feed port of the flow rate regulating pipe (201) is located in the middle thereof, and the discharge port of the flow rate regulating pipe (201) is located at one end thereof; a movable plug (202) is slidably connected in the flow rate regulating pipe (201) below the discharge port of the feed component (1), and a driving mechanism for driving the movable plug (202) to move in the flow rate regulating pipe (201) is installed at the other end of the flow rate regulating pipe (201), so that the flow rate of grouting in the flow rate regulating pipe (201) is adjusted by the movable plug (202) moving in the flow rate regulating pipe (201).

6. The rock and soil grouting device with automatic pressure adjustment according to claim 5, characterized in that: The driving mechanism comprises a second motor (203) installed at the other end of the flow rate regulating pipe (201); the motor shaft of the second motor (203) is connected to a rotating core shaft (204); and an end of the rotating core shaft (204) away from the second motor (203) is provided with an external threaded rod (205) threadedly connected to the movable plug (202).

7. The rock and soil grouting device with automatic pressure adjustment according to claim 6, characterized in that: One end of the movable plug (202) is a conical head structure located below the discharge port of the feed assembly (1), and the other end of the movable plug (202) is provided with a thread groove threadedly connected to the external threaded rod (205); the inner wall of the flow rate regulating pipe (201) is provided with a guide groove (206) extending along the grouting flow direction, and the other end of the movable plug (202) is provided with a guide key (207) slidably connected to the guide groove (206).

8. A rock and soil grouting device with automatic pressure adjustment according to claim 6 or 7, characterized in that: The rotating core shaft (204) is rotatably connected to the flow rate regulating pipe (201) via a bearing (208).

9. A geotechnical grouting device with automatic pressure adjustment according to any one of claims 1 to 3, characterized in that: The discharge port of the primary buffer component (3) is connected to a secondary buffer component (4), the secondary buffer component (4) comprising a secondary buffer pipe (401) connected to the primary buffer component (3), an engaging groove being provided in the secondary buffer pipe (401), and a buffer blade (402) being rotatably connected to the secondary buffer pipe (401) being embedded in the engaging groove.

10. The rock and soil grouting device with automatic pressure adjustment according to claim 9, characterized in that: A ball (403) is provided at the contact point between the buffer blade (402) and the engaging groove.

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