Grouting reinforcement device for broken surrounding rock depth layering combination
By designing a combined structure of the grouting pipe, control ring frame and sliding sleeve, the problem of easy damage to the anchor barbs of the grouting reinforcement device was solved, effective reinforcement and convenient recovery of the broken surrounding rock were achieved, and the stability and service life of the equipment were improved.
Patent Information
- Application Number
- CN202422972799.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-04
AI Technical Summary
The existing grouting reinforcement device for crushed surrounding rock with deep and shallow layers is prone to damage of the anchor barbs after repeated use, which affects the fixing effect and stability of the equipment.
A grouting reinforcement device including a grouting pipe, a control ring frame and a sliding sleeve is designed. The control ring frame controls the synchronous sliding of the sliding sleeve to realize the opening and closing of the grouting hole, and the anchoring and recovery are achieved by the expansion and retraction of the hook. A scraper is set on the sliding sleeve to push the hook to expand, and the elastic force of the torsion spring is used to retract the hook, ensuring stable anchoring and convenient recovery of the device in the broken surrounding rock.
It achieves effective reinforcement of broken surrounding rock, can freely control the grouting volume, and can be quickly recovered after the grouting is completed, avoiding damage to the anchor barbs and improving the stability and reliability of the equipment.
Smart Images
Figure CN223458814U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to grouting reinforcement technical field, concretely relates to a kind of grouting reinforcement device for broken surrounding rock deep shallow layered combination. BACKGROUND
[0002] The grouting reinforcement device for broken surrounding rock deep shallow layered combination is a device for reinforcing broken and multi-level surrounding rock in underground engineering, which is commonly used in tunnel, basement, foundation pit support and other engineering, and is mainly used for injecting grouting material to reinforce surrounding rock and enhance the stability and bearing capacity of underground engineering.
[0003] The anchoring barb fixed on the surface of the existing grouting reinforcement device for broken surrounding rock deep shallow layered combination is in open state when the device is recycled, which can be easily damaged, so that the fixing effect of the device body is poor during later use, affecting the stability of the device during use. UTILITY MODEL CONTENTS
[0004] The utility model solves the problem that the anchoring barb of the grouting reinforcement device in the prior art can be damaged after multiple uses.
[0005] The utility model provides the following technical scheme: a kind of grouting reinforcement device for broken surrounding rock deep shallow layered combination, including grouting pipe, control ring frame and several sliding sleeves;One end of grouting pipe is pointed, one end is grouting port, grouting pipe is hollow inside, and is communicated with grouting port;Several groups of row slurry holes are arranged on grouting pipe equidistantly along axial direction, and each group of row slurry holes is distributed around grouting pipe circumferentially;Sliding sleeve is sleeved on grouting pipe slidably, each sliding sleeve corresponds with a group of row slurry holes, the inner wall of sliding sleeve and the outer wall of grouting pipe are sealed slidingly, and sliding sleeve can close row slurry hole;Control ring frame is movably sleeved outside grouting pipe, control ring frame is connected with sliding sleeve, and all sliding sleeves can be controlled to slide synchronously by control ring frame;Several groups of clamping hooks are arranged on grouting pipe equidistantly along axial direction, and each group of clamping hook is distributed around grouting pipe circumferentially, and the lower end of clamping hook is connected with grouting pipe by shaft with torsional spring;Scraper is connected on sliding sleeve, and scraper is used to push clamping hook to unfold along with sliding sleeve.
[0006] Further, the clamping hooks are evenly distributed around the grouting pipe, the sliding sleeve is circumferentially divided into a plurality of arc pieces, the number of arc pieces is the same as the number of clamping hooks, and one scraper is provided on each arc piece.
[0007] The control ring frame includes a top sleeve ring, a bottom sleeve ring, a connecting rod, and a plug; a plurality of connecting rods are equidistantly arranged between the top sleeve ring and the bottom sleeve ring, and the number of connecting rods is the same as the number of arc pieces of the sliding sleeve; the plugs are distributed on the connecting rods.
[0008] The arc pieces are clamped on the connecting rods and the plugs through the rod through slots and plug slots; the plugs are fixed in the plug slots by sealing glue.
[0009] Further, the grouting pipe is fixed with a positioning ring on the side of the grouting port; the positioning ring comprises a ring frame, a rib plate and a check ring; a plurality of rib plates are fixed at the bottom of the positioning ring at equal intervals, and the check ring is fixed at the top of the positioning ring; the rib plate is fixed on the outer wall of the grouting pipe, the number of the rib plate is the same as the number of the connecting rod of the control ring frame, the positioning ring is sleeved outside the control ring frame, the rib plate is provided with a transversely-through and upwardly-closed guide groove, and the insert piece on the top layer of the control ring frame is slidably inserted into the guide groove of the rib plate.
[0010] Further, the insert piece on the top layer of the control ring frame is provided with a stop block on both sides of the rib plate, and the rotation of the control ring frame is limited by the stop block.
[0011] Further, two handles are installed on the top sleeve.
[0012] Further, the top end of the clamping hook is provided with an outwardly-expanding inclined surface, and the bottom end of the scraper is provided with an inwardly-converging inclined surface.
[0013] Compared with the prior art, the advantages of the utility model lie in that:
[0014] The grouting reinforcement device for broken surrounding rock deep and shallow layer combination can manually control the opening and closing of the grouting hole on the grouting pipe, freely control the grouting amount, and complete the function by controlling the movement of the sliding sleeve on the grouting pipe through the control ring frame; and meanwhile, the sliding sleeve can control the expansion or contraction of the clamping hook on the grouting pipe, so that the grouting reinforcement device can be anchored in the broken surrounding rock during grouting, and can be quickly recovered after grouting. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of the utility model;
[0016] Figure 2 It is a schematic view of the grouting pipe;
[0017] Figure 3 It is a schematic view of the control ring frame;
[0018] Figure 4 It is a schematic view of the clamping hook;
[0019] Figure 5 It is a schematic view of the sliding sleeve;
[0020] Figure 6 It is a schematic view of the positioning ring.
[0021] In the figure: 1-grouting pipe; 1.1-grouting port; 1.2-discharge hole; 1.3-claw hook; 1.4-torsional spring; 2-control ring frame; 2.1-top collar; 2.2-bottom collar; 2.3-connecting rod; 2.4-insert piece; 2.5-stop block; 2.6-handle; 3-positioning ring; 3.1-ring frame; 3.2-rib plate; 3.3-stop ring; 3.4-guide groove; 4-sliding sleeve; 4.1-scraper; 4.2-arc piece; 4.3-rod body through groove; 4.4-insert piece slot. DETAILED DESCRIPTION
[0022] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.
[0023] As shown in Figure 1 , Figure 2 , Figure 4 : a grouting reinforcement device for breaking and crushing surrounding rock deep and shallow layered combination, comprising a grouting pipe 1, a control ring frame 2 and a plurality of sliding sleeves 4; one end of the grouting pipe 1 is a pointed end, and the other end is a grouting port 1.1; the grouting pipe 1 is hollow inside and communicates with the grouting port 1.1; the grouting port 1.1 is connected with a grouting device; a plurality of groups of discharge holes 1.2 are arranged on the grouting pipe 1 at equal intervals along the axial direction; each group of discharge holes 1.2 is uniformly distributed around the grouting pipe 1 in the circumferential direction; slurry in the grouting pipe 1 is discharged from the discharge holes 1.2; the sliding sleeves 4 are slidably sleeved on the grouting pipe 1; each sliding sleeve 4 corresponds to a group of discharge holes 1.2; the inner wall of the sliding sleeve 4 and the outer wall of the grouting pipe 1 are in sliding seal; the sliding sleeve 4 can close the discharge holes 1.2; the control ring frame 2 is movably sleeved outside the grouting pipe 1; the control ring frame 2 is connected with the sliding sleeves 4; all the sliding sleeves 4 can be controlled to slide synchronously through the control ring frame 2; a plurality of groups of claw hooks 1.3 are arranged on the grouting pipe 1 at equal intervals along the axial direction; each group of claw hooks 1.3 is uniformly distributed around the grouting pipe 1 in the circumferential direction; the lower end of the claw hook 1.3 is connected with the grouting pipe 1 through a shaft with a torsional spring 1.4; the torsional spring 1.4 pushes the claw hook 1.3 to keep it folded on the grouting pipe 1; the sliding sleeve 4 is connected with a scraper 4.1; the scraper 4.1 is used to push the claw hook 1.3 to unfold along with the sliding of the sliding sleeve 4.
[0024] Specifically, the top end of the clamping hook 1.3 is provided with an outwardly expanding slope, and the bottom end of the scraper 4.1 is provided with an inwardly contracting slope; when the scraper 4.1 moves downward with the sliding sleeve 4, the slope at the bottom end of the scraper 4.1 scoops up the clamping hook 1.3 from top to bottom, the scraper 4.1 is clamped between the clamping hook 1.3 and the grouting pipe 1, the clamping hook 1.3 overcomes the elastic force of the torsional spring 1.4 to expand, so that the grouting reinforcement device can be anchored in the broken surrounding rock and will not fall off. When the grouting reinforcement device is to be taken out, before the grout around the grouting reinforcement device is not solidified, the control ring frame 2 is lifted upward, the scraper 4.1 is separated from between the clamping hook 1.3 and the grouting pipe 1, the grouting reinforcement device is pushed into the deep broken surrounding rock, the clamping hook 1.3 is folded on the grouting pipe 1 under the elastic force of the torsional spring 1.4, the anchoring effect is released, and then the grouting reinforcement device can be taken out of the broken surrounding rock.
[0025] Note: In the use state of the grouting reinforcement device, the tip of the grouting pipe 1 is upward, and the grouting port 1.1 is downward; in the embodiment, "up", "down", "top" and "bottom" are referred to the non-use state as shown. Figure 1
[0026] As shown in Figure 5 : the clamping hook 1.3 is uniformly distributed around the grouting pipe 1; in order to facilitate the installation of the sliding sleeve 4, the sliding sleeve 4 is circumferentially divided into a plurality of arc pieces 4.2, the number of the arc pieces 4.2 is the same as the number of the clamping hooks 1.3, and one scraper 4.1 is arranged on each arc piece 4.2; the arc piece 4.2 is provided with a slot, and the slot includes a rod body through slot 4.3 and a plug slot 4.4.
[0027] As shown in Figure 3 : the control ring frame 2 includes a top sleeve 2.1, a bottom sleeve 2.2, a connecting rod 2.3 and a plug 2.4; a plurality of connecting rods 2.3 are arranged equidistantly between the top sleeve 2.1 and the bottom sleeve 2.2, and the number of the connecting rods 2.3 is the same as the number of the arc pieces 4.2 of the sliding sleeve 4; the plugs 2.4 are distributed on the connecting rods 2.3.
[0028] The arc piece 4.2 is clamped on the connecting rod 2.3 and the plug 2.4 through the rod body through slot 4.3 and the plug slot 4.4; the plug 2.4 is fixed in the plug slot 4.4 by sealing glue.
[0029] Two handles 2.6 are installed on the top sleeve 2.1, and the control ring frame 2 is operated through the handles 2.6.
[0030] As shown in Figure 6 The grouting pipe 1 is fixed with the positioning ring 3 on the side of the grouting opening 1.1; the positioning ring 3 comprises a ring frame 3.1, a rib plate 3.2 and a stop ring 3.3; the rib plate 3.2 is fixed at the bottom of the positioning ring 3 at equal intervals, the stop ring 3.3 is fixed at the top of the positioning ring 3, the stop ring 3.3 is used for limiting the depth of the grouting reinforcement device, the rib plate 3.2 is fixed on the outer wall of the grouting pipe 1, the number of the rib plate 3.2 is the same as the number of the connecting rod 2.3 of the control ring frame 2, the positioning ring 3 is sleeved outside the control ring frame 2, the rib plate 3.2 is provided with a transverse through and upper and lower closed guide groove 3.4, the uppermost inserting piece 2.4 of the control ring frame 2 is slidingly inserted into the guide groove 3.4 of the rib plate 3.2, and the sliding stroke of the control ring frame 2 is limited through the cooperation of the inserting piece 2.4 and the guide groove 3.4.
[0031] The inserting piece 2.4 of the uppermost layer of the control ring frame 2 is provided with a stop block 2.5 on both sides of the rib plate 3.2, the rotation of the control ring frame 2 is limited through the stop block 2.5, the stop block 2.5 is fixed on the inserting piece 2.4 through a screw, and the stop block 2.5 is removed in the inserting process of the inserting piece 2.4.
[0032] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will be consistent with the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A grouting reinforcement device for breaking a deep and shallow layered combination of surrounding rock, characterized in that: The utility model provides a kind of injection tube, which comprises an injection tube (1), a control ring frame (2) and a plurality of sliding sleeves (4). One end of the injection tube (1) is a pointed end, and the other end is an injection port (1.1). The injection tube (1) is hollow inside and communicates with the injection port (1.1). A plurality of groups of discharge holes (1.2) are arranged on the injection tube (1) at equal intervals along the axial direction. Each group of discharge holes (1.2) is distributed circumferentially around the injection tube (1). The sliding sleeves (4) are slidably sleeved on the injection tube (1). Each sliding sleeve (4) corresponds to a group of discharge holes (1.2). The inner wall of the sliding sleeve (4) is in sliding seal with the outer wall of the injection tube (1), and the sliding sleeve (4) can close the discharge hole (1.2). The control ring frame (2) is movably sleeved outside the injection tube (1). The control ring frame (2) is connected with the sliding sleeves (4). By the control ring frame (2), all the sliding sleeves (4) can be controlled to slide synchronously. A plurality of groups of clamping hooks (1.3) are arranged on the injection tube (1) at equal intervals along the axial direction. Each group of clamping hooks (1.3) is distributed circumferentially around the injection tube (1). The lower end of the clamping hook (1.3) is connected with the injection tube (1) through the shaft of a torsional spring (1.4). The sliding sleeve (4) is connected with a scraper (4.1). The scraper (4.1) is used to push the clamping hook (1.3) to unfold when the sliding sleeve (4) slides.
2. The grouting reinforcement device for breaking and combining surrounding rock shallow layers according to claim 1, characterized in that: The clamping hooks (1.3) are uniformly distributed around the injection tube (1). The sliding sleeve (4) is circumferentially divided into a plurality of arc pieces (4.2). The number of the arc pieces (4.2) is the same as that of the clamping hooks (1.3). One scraper (4.1) is arranged on each arc piece (4.2). An insertion slot is formed on the arc piece (4.2). The insertion slot comprises a rod body through slot (4.3) and an insertion piece slot (4.4). The control ring frame (2) comprises a top sleeve ring (2.1), a bottom sleeve ring (2.2), a connecting rod (2.3) and an insertion piece (2.4). A plurality of connecting rods (2.3) are arranged at equal intervals between the top sleeve ring (2.1) and the bottom sleeve ring (2.2). The number of the connecting rods (2.3) is the same as that of the arc pieces (4.2) of the sliding sleeve (4). The insertion pieces (2.4) are distributed on the connecting rods (2.3). The arc piece (4.2) is clamped on the connecting rod (2.3) and the insertion piece (2.4) through the rod body through slot (4.3) and the insertion piece slot (4.4). The insertion piece (2.4) is fixed in the insertion piece slot (4.4) by sealing glue.
3. The grouting reinforcement device for breaking and combining surrounding rock shallow layers according to claim 2, characterized in that: The injection port (1.1) of the injection tube (1) is fixedly sleeved with a positioning ring (3). The positioning ring (3) comprises a ring frame (3.1), a rib plate (3.2) and a check ring (3.3). A plurality of rib plates (3.2) are fixed at equal intervals on the bottom of the positioning ring (3). The check ring (3.3) is fixed on the top of the positioning ring (3). The rib plate (3.2) is fixed on the outer wall of the injection tube (1). The number of the rib plates (3.2) is the same as that of the connecting rods (2.3) of the control ring frame (2). The positioning ring (3) is sleeved outside the control ring frame (2). A guide slot (3.4) is formed on the rib plate (3.2). The guide slot (3.4) is transversely through and closed at the top and bottom. The insertion piece (2.4) on the top layer of the control ring frame (2) is slidably inserted into the guide slot (3.4) of the rib plate (3.2).
4. The grouting reinforcement device for breaking and combining surrounding rock shallow layers according to claim 3, characterized in that: The control ring frame (2) top layer of the insert sheet (2.4) is provided with a stop block (2.5) on both sides of the rib plate (3.2), and the control ring frame (2) is limited to rotate through the stop block (2.5).
5. The grouting reinforcement device for breaking and combining surrounding rock shallow layers according to claim 2, characterized in that: The top sleeve ring (2.1) is provided with two handles (2.6).
6. The grouting reinforcement device for breaking and surrounding rock shallow layer combination according to claim 2, characterized in that: The top end of the hook (1.3) is provided with an outwardly expanding slope, and the bottom end of the scraper (4.1) is provided with an inwardly converging slope.