CN116066152B - Double-pipe grouting device for mine roadway - Google Patents
Double-pipe grouting device for mine roadway Download PDFInfo
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- CN116066152B CN116066152B CN202310347754.3A CN202310347754A CN116066152B CN 116066152 B CN116066152 B CN 116066152B CN 202310347754 A CN202310347754 A CN 202310347754A CN 116066152 B CN116066152 B CN 116066152B
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- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 239000002002 slurry Substances 0.000 claims abstract description 38
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 3
- 238000007569 slipcasting Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 11
- 239000000499 gel Substances 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0806—Details; Accessories
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention provides a double-pipe grouting device for a mine tunnel, wherein an outer pipe is inserted into a grouting hole, and one end of the outer pipe is connected with an external first slurry supply mechanism; the inner pipe is inserted into the outer pipe, and one end of the inner pipe extends out of the outer pipe and is connected with the second slurry supply mechanism outside; the locking mechanism is arranged between the inner pipe and the outer pipe, and is locked when the inner pipe is inserted into the outer pipe in place, so that the inner pipe and the outer pipe are fixed; the fixing mechanism is arranged on the inner pipe, and when the inner pipe is inserted into the outer pipe in place, the outer pipe and the grouting holes are fixed by the fixing mechanism; the mixing mechanism is in a cylinder shape, the side wall of the mixing mechanism is abutted with the grouting hole, and the outer pipe and the inner pipe are connected with the mixing mechanism. According to the invention, by arranging the inner pipe and the outer pipe, two slurries are respectively poured into the two pipelines and finally mixed at the position to be reinforced, the two slurries cannot be coagulated in the pipelines to form gel substances, the pressure used for grouting is reduced, and the accident rate of grouting is further reduced.
Description
Technical Field
The invention belongs to the technical field of grouting devices, and particularly relates to a double-pipe grouting device for a mine roadway.
Background
In the mine tunnel, grouting reinforcement is often needed to be carried out on walls and the like so as to improve the stability and the installation completeness of the tunnel, and in the prior art, a double-liquid grouting method is often adopted when the mine tunnel is reinforced.
The double-liquid grouting method is characterized in that water glass and cement slurry are alternately injected into a position to be reinforced, and the two solutions react rapidly to generate silica gel and calcium silicate gel, so that the functions of cementing and filling pores are achieved, and the strength and bearing capacity of soil are improved. It is commonly used for foundation reinforcement of silt, sand and filled earth.
In practical operation, a double-liquid grouting device is often needed for double-liquid grouting, cement slurry and water glass are poured by a single pipe, however, resistance is increased after the cement slurry is coagulated to form a gel state substance, and the cement slurry is difficult to push into a lower karst fracture by means of the pressure of a grouting pump.
In order to push the gel state slurry calculus body into the deep karst structure, a high-pressure grouting pump is needed, slurry burst accidents are caused by shallow splitting frequently occurring during high-pressure grouting, the grouting process is interrupted, and the slurry is limited in one-time grouting amount due to high grouting pressure and easy occurrence of accidents, so that the diffusion and retention of the slurry are difficult to ensure, and the grouting effect is poor.
Disclosure of Invention
The invention aims to provide a double-pipe grouting device for a mine roadway, so that grouting fixation is conveniently carried out on a deep structure, and the accident rate of grouting is effectively reduced.
In order to achieve the above purpose, the invention adopts the following technical scheme: the double-pipe grouting device for the mine roadway comprises an outer pipe, an inner pipe, a locking mechanism, a fixing mechanism and a mixing mechanism, wherein the outer pipe is inserted into a grouting hole, and one end of the outer pipe is connected with a first external grouting mechanism; the inner pipe is inserted into the outer pipe, and one end of the inner pipe extends out of the outer pipe and is connected with the external second slurry supply mechanism; the locking mechanism is arranged between the inner pipe and the outer pipe, and is locked when the inner pipe is inserted in place in the outer pipe, so that the inner pipe and the outer pipe are fixed; the fixing mechanism is arranged on the inner pipe, and when the inner pipe is inserted into the outer pipe in place, the fixing mechanism fixes the outer pipe and the grouting hole; the mixing mechanism is cylindrical, the side wall of the mixing mechanism is abutted to the grouting hole, and the outer tube and the inner tube are connected with the mixing mechanism.
In one possible implementation manner, the locking mechanism includes a plurality of clamping rods and clamping grooves, the clamping rods are uniformly arranged on the inner wall of the outer tube, the diameter of a circle surrounded by the other ends of the clamping rods is smaller than the outer diameter of the inner tube relative to one end connected with the outer tube, the clamping rods can deform under the action of external force, and when the external force is removed, the clamping rods can recover, the clamping grooves are formed in the inner tube, and the local clamping of the clamping rods is formed in the clamping grooves.
In one possible implementation manner, the clamping rod comprises a connecting section and a clamping section, the connecting section is connected with the inner wall of the outer tube, the connecting section is horizontally arranged, the clamping section is connected with the connecting section, and when the outer tube is vertically arranged, the clamping section is arranged from one end close to the connecting section to one end far away from the connecting section from high to low in inclination.
In one possible implementation manner, a plurality of unlocking grooves are formed in the inner tube, the unlocking grooves are formed in the inner tube along the insertion direction of the inner tube, the unlocking grooves are formed in the downstream of the clamping grooves along the flow direction of the slurry, the depth of the unlocking grooves is not smaller than that of the clamping grooves, the unlocking grooves are in one-to-one correspondence with the clamping rods, and when the inner tube is pulled out of the outer tube, the clamping rods pass through the corresponding unlocking grooves.
In one possible implementation manner, a limiting ring is arranged in the outer tube, the limiting ring is fixed with the inner wall of the outer tube through a fixing rod, the inner diameter of the limiting ring is the same as that of the inner tube, the outer end of the limiting ring is flush with one end of the outer tube, from which slurry is discharged, of the outer tube, when the inner tube is inserted into the outer tube, the inner tube is abutted with the limiting ring, and at the moment, the clamping rod is clamped in the clamping groove.
In a possible implementation manner, the torsion spring is sleeved outside the inner tube, one end of the torsion spring is connected with the inner tube, a clamping plate is arranged at the other end of the torsion spring, a slot is formed in the outer tube, and when the clamping plate is inserted into the slot, the unlocking slot is arranged in a staggered mode with the clamping rod.
In a possible implementation manner, the fixing mechanism comprises a plurality of clamping blocks which are slidably arranged on the outer tube, one ends of the clamping blocks extend out of the outer tube, a reset component is arranged between the clamping blocks and the outer tube, in a natural state, the diameter of a circle formed by encircling one ends of the clamping blocks, which are arranged in the outer tube, is smaller than the outer diameter of the inner tube, the groove width of the clamping groove is smaller than the length of the clamping blocks along the axial direction of the outer tube, the outlet end of the inner tube is provided with a reducing section, along the flowing direction of slurry in the inner tube, the diameter of the reducing section is set from large to small, and the diameter of the small diameter end of the reducing section is smaller than the diameter of a circle formed by encircling one ends of the clamping blocks, which are arranged in the outer tube, and when the inner tube is inserted into the outer tube, the inner tube pushes the clamping blocks to extend outwards and abut against the side wall of the grouting hole.
In one possible implementation manner, the clamping block comprises a sliding section and a fixing section, the sliding section is slidably arranged on the side wall of the outer tube, the fixing section is connected with the sliding section, the fixing section is arranged on the outer side of the outer tube, the fixing section is obliquely arranged, and the oblique direction of the fixing section is opposite to that of the clamping section.
In a possible implementation manner, the reset assembly comprises a reset spring, a mounting plate and a sealing plate, wherein the mounting plate is arranged at the bottom of the clamping block, one end of the reset spring is connected with the mounting plate, the other end of the reset spring is connected with the inner wall of the outer tube, the sealing plate is U-shaped, one end of the sealing plate is connected with the mounting plate, when the reset spring is in a natural state, the other end of the sealing plate is arranged with the inner wall of the outer tube at intervals, when the inner tube is inserted into the outer tube, one end, far away from the mounting plate, of the sealing plate is abutted with the inner wall of the outer tube, and at the moment, the sealing plate, the clamping block and the outer tube enclose to form a sealing cavity, and the reset spring is arranged in the sealing cavity.
In a possible implementation manner, the mixing mechanism comprises a connecting cylinder, a mixing cylinder, a pivoting plate and an auger blade, wherein the connecting cylinder is connected with the outer tube through a bolt, the mixing cylinder is arranged at the bottom end of the connecting cylinder, the pivoting plate is rotationally arranged in the mixing cylinder, the auger blade is connected to the bottom end of the pivoting plate, when the mixing mechanism is installed in place, the outer tube is abutted to the pivoting plate, the pivoting plate is provided with a plurality of first through holes and a plurality of second through holes, the first through holes are correspondingly arranged at the outlet end of the inner tube, and the second through holes are correspondingly arranged at the outlet end of the outer tube at the outer side of the inner tube.
The double-pipe grouting device for the mine roadway has the beneficial effects that: compared with the prior art, the grouting device has the advantages that the inner pipe and the outer pipe are arranged, two kinds of slurry are respectively poured into the two pipelines, finally, the two kinds of slurry are mixed at the position to be reinforced, compared with the grouting process carried out by using one pipeline in the prior art, the two kinds of slurry cannot be coagulated in the pipeline to form gel substances, the pressure used for grouting is reduced, the accident rate of grouting is further reduced, meanwhile, the inner pipe is arranged in the outer pipe in a penetrating manner, only one grouting hole is needed to be drilled, the grouting convenience is improved, the outer pipe is conveniently fixed in the grouting hole by arranging the fixing mechanism, the outer pipe is prevented from being separated from the grouting hole under the action of grouting pressure, finally, the mixing mechanism is arranged, and the grouting is prevented from overflowing from the grouting hole due to the abutting of the side wall of the mixing mechanism, so that grouting is convenient to carry out.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic structural diagram of a double-pipe grouting device for a mine tunnel according to an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of an outer tube provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a fixture block according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of an inner tube according to an embodiment of the present invention;
fig. 5 is an enlarged view of a portion a of fig. 4;
fig. 6 is an enlarged view of a portion B of fig. 4;
FIG. 7 is a schematic view of a mixing mechanism according to an embodiment of the present invention;
fig. 8 is a schematic view of another angle of the mixing mechanism according to the embodiment of the present invention.
Wherein, each reference sign is as follows in the figure:
1. an outer tube; 2. an inner tube; 3. a clamping rod; 4. a clamping block; 5. a mixing mechanism; 6. a positioning ring;
101. a limiting ring; 102. a fixed rod; 103. a slide hole; 104. a jack; 105. a slot;
201. a clamping groove; 202. unlocking grooves; 203. a torsion spring; 204. a clamping plate; 205. a reducing section;
301. a connection section; 302. a clamping section;
401. a sliding section; 402. a fixed section; 403. a return spring; 404. a sealing plate;
501. a connecting cylinder; 502. a mixing drum; 503. a pivoting plate; 504. auger blades; 505. a first via; 506. a second via;
601. and (5) connecting a rod.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention 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 for purposes of illustration only and are not intended to limit the scope of the invention.
It should be further noted that the drawings and embodiments of the present invention mainly describe the concept of the present invention, and on the basis of the concept, some specific forms and arrangements of connection relations, position relations, power units, power supply systems, hydraulic systems, control systems, etc. may not be completely described, but those skilled in the art may implement the specific forms and arrangements described above in a well-known manner on the premise of understanding the concept of the present invention.
When an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
The terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
The terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" means two or more, and the meaning of "a number" means one or more, unless specifically defined otherwise.
The double-pipe grouting device for the mine roadway provided by the invention is explained.
Referring to fig. 1 and 2, the dual-pipe grouting device for mine tunnel includes an outer pipe 1, an inner pipe 2, a locking mechanism, a fixing mechanism and a mixing mechanism 5, wherein the outer pipe 1 is inserted into a grouting hole, and one end of the outer pipe 1 is connected with an external first slurry feeding mechanism; the inner pipe 2 is inserted into the outer pipe 1, and one end of the inner pipe 2 extends out of the outer pipe 1 and is connected with an external second slurry supply mechanism; the locking mechanism is arranged between the inner tube 2 and the outer tube 1, and when the inner tube 2 is inserted into the outer tube 1 to be in place, the locking mechanism locks, so that the inner tube 2 and the outer tube 1 are fixed; the fixing mechanism is arranged on the inner pipe 2, and when the inner pipe 2 is inserted in place in the outer pipe 1, the outer pipe 1 and the grouting holes are fixed by the fixing mechanism; the mixing mechanism 5 is cylindrical, the side wall of the mixing mechanism 5 is abutted with the grouting hole, and the outer tube 1 and the inner tube 2 are connected with the mixing mechanism 5.
The double-pipe grouting device for the mine roadway has the beneficial effects that: compared with the prior art, the double-pipe grouting device for the mine tunnel provided by the embodiment is characterized in that the inner pipe 2 and the outer pipe 1 are arranged, two kinds of slurry are respectively poured into two pipelines and are mixed at the positions to be reinforced, grouting is carried out by using one pipeline in the prior art, the two kinds of slurry cannot be coagulated in the pipeline to form gel state substances, the pressure used for grouting is reduced, the accident rate of grouting is further reduced, meanwhile, the inner pipe 2 is penetrated into the outer pipe 1, only one grouting hole is required to be drilled, the convenience of grouting is improved, the outer pipe 1 is conveniently fixed in the grouting hole by arranging the fixing mechanism, the outer pipe 1 is prevented from being separated from the grouting hole under the action of grouting pressure, and finally the mixing mechanism 5 is arranged, so that the mixing of the two kinds of slurry is facilitated, and the side wall of the mixing mechanism 5 is prevented from overflowing from the grouting hole due to the butt joint of the grouting hole, so that grouting is conveniently carried out.
Based on the design concept, the outer tube 1 is L-shaped, the outer tube 1 is provided with the insertion hole 104, and the inner tube 2 is inserted into the outer tube 1 through the insertion hole 104.
The locking mechanism comprises a plurality of clamping rods 3 and clamping grooves 201, the clamping rods 3 are uniformly arranged on the inner wall of the outer tube 1, the diameter of a circle formed by the other ends of the clamping rods 3 is smaller than the outer diameter of the inner tube 2, the clamping rods 3 can deform under the action of external force, when the external force is removed, the clamping rods 3 can recover, the clamping grooves 201 are formed in the inner tube 2, and the local clamping of the clamping rods 3 is arranged in the clamping grooves 201.
For example, when the outer tube 1 is vertically disposed, when the inner tube 2 is inserted into the outer tube 1, the inner tube 2 is first abutted against the top end of the clamping rod 3, then the clamping rod 3 is pushed by the inner tube 2 to bend and deform downwards, at this time, the inner tube 2 can be continuously inserted downwards until the clamping rod 3 extends into the clamping groove 201, and the clamping rod 3 is reset to fix the inner tube 2 and the outer tube 1.
As shown in fig. 2, the clamping rod 3 comprises a connecting section 301 and a clamping section 302, the connecting section 301 is connected with the inner wall of the outer tube 1, the connecting section 301 is horizontally arranged, the clamping section 302 is connected with the connecting section 301, and when the outer tube 1 is vertically arranged, the clamping section 302 is obliquely arranged from one end close to the connecting section 301 to one end far away from the connecting section 301 from high to low.
The joint section 302 slope sets up, and the joint section 302 of being convenient for on the one hand is crooked deformation downwards, and then the passing of the inner tube 2 of being convenient for, and on the other hand is being inconvenient for crooked deformation upwards in the reduction, and then is favorable to fixing the inside of inner tube 2 at outer tube 1.
As shown in fig. 4 and 6, a plurality of unlocking grooves 202 are formed in the inner tube 2, the unlocking grooves 202 are formed along the insertion direction of the inner tube 2, the unlocking grooves 202 are formed in the downstream of the clamping grooves 201 along the flow direction of the slurry, the depth of the unlocking grooves 202 is not smaller than that of the clamping grooves 201, the unlocking grooves 202 are in one-to-one correspondence with the clamping rods 3, and when the inner tube 2 is pulled out of the outer tube 1, the clamping rods 3 pass through the corresponding unlocking grooves 202. The unlocking groove 202 is arranged, so that the inner tube 2 is conveniently pulled out of the inner tube 2, equipment can be conveniently detached when grouting is completed, and the inner tube 2 is conveniently repaired when the inner tube 2 breaks down.
As shown in fig. 2, a limiting ring 101 is disposed in the outer tube 1, the limiting ring 101 is fixed to the inner wall of the outer tube 1 by a fixing rod 102, the inner diameter of the limiting ring 101 is the same as the inner diameter of the inner tube 2, the outer end of the limiting ring 101 is flush with the slurry discharging end of the outer tube 1, when the inner tube 2 is inserted into the outer tube 1, the inner tube 2 is abutted against the limiting ring 101, and at this time, the clamping rod 3 is clamped in the clamping groove 201. The spacing ring 101 is arranged, so that the inner tube 2 is convenient to position when being inserted into the outer tube 1, and the clamping rod 3 is prevented from sliding above the clamping groove 201 due to excessive insertion. Further, the distance between the end of the inner tube 2 from which the slurry is discharged and the end of the outer tube 1 from which the slurry is discharged is prevented from being excessively large, so that the mixing of the slurry is inconvenient.
As shown in fig. 1, fig. 4 and fig. 5, the torsion spring 203 is sleeved outside the inner tube 2, one end of the torsion spring 203 is connected with the inner tube 2, the other end of the torsion spring 203 is provided with the clamping plate 204, the outer tube 1 is provided with the slot 105, when the clamping plate 204 is inserted into the slot 105, the unlocking slot 202 and the clamping rod 3 are arranged in a staggered manner, and at the moment, the inner tube 2 cannot be pulled out of the outer tube 1 due to the clamping of the clamping rod 3 in the clamping slot 201. When the inner tube 2 needs to be pulled out, only the inner tube 2 needs to be twisted so that the corresponding lock lever 3 is opposed to the unlocking groove 202, so that the lock lever 3 passes through the unlocking groove 202. In addition, due to the torsion spring 203, the inner tube 2 cannot rotate relative to the outer tube 1 without an external force being applied.
As shown in fig. 1, 2 and 3, the fixing mechanism includes a plurality of clamping blocks 4 slidably disposed on the outer tube 1, a plurality of sliding holes 103 are formed on the side wall of the outer tube 1, and the clamping blocks 4 are slidably disposed in the sliding holes 103.
One end of the clamping block 4 extends out of the outer tube 1, a reset component is arranged between the clamping block 4 and the outer tube 1, and when in a natural state, the diameter of a circle formed by one end of the clamping blocks 4, which is arranged in the outer tube 1, is smaller than the outer diameter of the inner tube 2. The slot width of the clamping slot 201 is smaller than the length of the clamping block 4 along the axial direction of the outer tube, so that the clamping block 4 cannot extend into the clamping slot 201. The outlet end of the inner pipe 2 is provided with a reducing section 205, the diameter of the reducing section 205 is arranged from large to small along the flowing direction of the slurry in the inner pipe 2, and the diameter of the small diameter end of the reducing section 205 is smaller than the diameter of a circle surrounded by one end of the plurality of clamping blocks 4 arranged in the outer pipe 1. When the inner tube 2 is inserted into the outer tube 1, the reducing section 205 is firstly abutted with the clamping block 4, and then the inner tube 2 pushes the clamping block 4 to extend outwards and be abutted on the side wall of the grouting hole, so that the outer tube 1 is fixed with the grouting hole.
As a preferred scheme, the fixture block 4 includes a sliding section 401 and a fixing section 402, the sliding section 401 is slidably disposed on a side wall of the outer tube 1, the fixing section 402 is connected with the sliding section 401, the fixing section 402 is disposed on the outer side of the outer tube 1, the fixing section 402 is obliquely disposed, and an oblique direction of the fixing section 402 is opposite to that of the clamping section 302, so that the fixture block 4 is difficult to bend and deform downwards, and fixing of the outer tube 1 and a grouting hole is more facilitated.
As shown in fig. 3, the reset assembly includes reset spring 403, mounting panel and closing plate 404, the bottom of fixture block 4 is located to the mounting panel, the one end and the mounting panel of reset spring 403 are connected, the other end and the inner wall of outer tube 1 of reset spring 403 are connected, closing plate 404 is the U-shaped, the one end and the mounting panel of closing plate 404 are connected, when reset spring 403 is in natural state, the other end and the inner wall interval arrangement of outer tube 1 of closing plate 404, when inner tube 2 inserts in locating outer tube 1, the inner wall butt of outer tube 1 is kept away from the mounting panel to the one end of closing plate 404, at this moment, closing plate 404, the mounting panel encloses with fixture block 4 and outer tube 1 and is sealed chamber, reset spring 403 locates sealed intracavity.
The reset spring 403 is arranged, when the inner tube 2 is pulled out of the outer tube 1, the clamping block 4 can automatically reset, the fixation of the outer tube 1 and the grouting holes is released, and the outer tube 1 is conveniently pulled out of the grouting holes. The arrangement of the mounting plate and the sealing plate 404 facilitates the sealing of the return spring 403 when the fixation of the outer tube 1 and the grouting holes is completed, and prevents slurry from corroding the return spring 403.
As shown in fig. 7 and 8, the mixing mechanism 5 includes a connecting cylinder 501, a mixing cylinder 502, a pivoting plate 503 and an auger blade 504, the connecting cylinder 501 is connected with the outer tube 1 through a bolt, the mixing cylinder 502 is disposed at the bottom end of the connecting cylinder 501, the pivoting plate 503 is rotatably disposed in the mixing cylinder 502, the auger blade 504 is connected at the bottom end of the pivoting plate 503, when the mixing mechanism 5 is installed in place, the outer tube 1 is abutted against the pivoting plate 503, the pivoting plate 503 is provided with a plurality of first through holes 505 and a plurality of second through holes 506, the first through holes 505 are correspondingly disposed at the outlet end of the inner tube 2, and the second through holes 506 are correspondingly disposed at the outlet end of the outer tube 1 outside the inner tube 2.
The arrangement of the pivoting plate 503 facilitates the rotational arrangement of the auger blade 504, and when two slurries enter the mixing drum 502 and flow along the mixing drum 502, the auger blade is pushed to rotate, and simultaneously the rotation of the auger blade 504 also facilitates the mixing of the two slurries.
Finally, as shown in fig. 2, a plurality of positioning rings 6 are fixed in the outer tube 1 by connecting rods 601, and the positioning rings are provided in plurality along the axial direction of the outer tube 1. The setting of location trade is convenient for inner tube 2 can not skew when inserting, and then is convenient for inner tube 2 insert between fixture block 4, and then release fixture block 4, and also be convenient for inner tube 2 insert between the draw-in bar 3, and then be convenient for inner tube 2 and the mutual fixation of outer tube 1.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (4)
1. A double-barrelled slip casting device for mine tunnel, characterized by, include:
the outer tube (1) is inserted into the grouting hole, and one end of the outer tube (1) is connected with an external first slurry supply mechanism;
the inner pipe (2) is inserted into the outer pipe (1), and one end of the inner pipe (2) extends out of the outer pipe (1) and is connected with an external second slurry supply mechanism;
the locking mechanism is arranged between the inner tube (2) and the outer tube (1), and is locked when the inner tube (2) is inserted into the outer tube (1) in place, so that the inner tube (2) and the outer tube (1) are fixed;
the locking mechanism comprises a plurality of clamping rods (3) and clamping grooves (201), the clamping rods (3) are uniformly arranged on the inner wall of the outer tube (1), the diameter of a circle surrounded by the other ends of the clamping rods (3) is smaller than the outer diameter of the inner tube (2) relative to one end connected with the outer tube (1), the clamping rods (3) can deform under the action of external force, when the external force is removed, the clamping rods (3) can recover, the clamping grooves (201) are formed in the inner tube (2), and parts of the clamping rods (3) are clamped in the clamping grooves (201);
a plurality of unlocking grooves (202) are formed in the inner pipe (2), the unlocking grooves (202) are formed in the inner pipe (2) along the insertion direction, the unlocking grooves (202) are formed in the downstream of the clamping grooves (201) along the flow direction of slurry, the depth of each unlocking groove (202) is not smaller than that of each clamping groove (201), the unlocking grooves (202) are in one-to-one correspondence with the corresponding clamping rods (3), and when the inner pipe (2) is pulled out of the outer pipe (1), the corresponding clamping rods (3) pass through the corresponding unlocking grooves (202);
a limiting ring (101) is arranged in the outer tube (1), the limiting ring (101) is fixed with the inner wall of the outer tube (1) through a fixing rod (102), the inner diameter of the limiting ring (101) is the same as the inner diameter of the inner tube (2), the outer end of the limiting ring (101) is flush with the slurry discharging end of the outer tube (1), when the inner tube (2) is inserted into the outer tube (1), the inner tube (2) is abutted with the limiting ring (101), and at the moment, the clamping rod (3) is clamped in the clamping groove (201);
the novel anti-theft lock is characterized in that a torsion spring (203) is sleeved outside the inner tube (2), one end of the torsion spring (203) is connected with the inner tube (2), a clamping plate (204) is arranged at the other end of the torsion spring (203), a slot (105) is formed in the outer tube (1), and when the clamping plate (204) is inserted into the slot (105), the unlocking slot (202) and the clamping rod (3) are arranged in a staggered mode;
the fixing mechanism is arranged on the inner tube (2), and when the inner tube (2) is inserted into the outer tube (1) in place, the fixing mechanism fixes the outer tube (1) and the grouting hole;
the fixing mechanism comprises a plurality of clamping blocks (4) which are slidably arranged on the outer tube (1), one ends of the clamping blocks (4) extend out of the outer tube (1), a reset component is arranged between the clamping blocks (4) and the outer tube (1), when the fixing mechanism is in a natural state, the diameter of a circle formed by the surrounding of one ends of the clamping blocks (4) which are arranged in the outer tube (1) is smaller than the outer diameter of the inner tube (2), the groove width of each clamping groove (201) is smaller than the length of the clamping block (4) along the axial direction of the outer tube, a reducing section (205) is arranged at the outlet end of the inner tube (2), along the flowing direction of slurry in the inner tube (2), the diameter of the reducing section (205) is set from large to small, and the diameter of the small diameter end of the reducing section (205) is smaller than the diameter of a circle formed by surrounding one end of the clamping blocks (4) which is arranged in the outer tube (1), and when the inner tube (2) is inserted into the inner tube (1), the outer tube (2) is pushed to extend outwards and abut against the side wall (4) of the grouting hole;
the mixing mechanism (5) is cylindrical, the side wall of the mixing mechanism (5) is in butt joint with the grouting hole, and the outer tube (1) and the inner tube (2) are connected with the mixing mechanism (5);
mixing mechanism (5) are including connecting cylinder (501), mixing cylinder (502), pivot board (503) and auger blade (504), connecting cylinder (501) pass through the bolt with outer tube (1) is connected, mixing cylinder (502) are located the bottom of connecting cylinder (501), pivot board (503) rotate and locate in mixing cylinder (502), auger blade (504) connect in the bottom of pivot board (503), when mixing mechanism (5) are installed and are taken one's place, outer tube (1) with pivot board (503) butt, offer on pivot board (503) by a plurality of first via holes (505) and a plurality of second via holes (506), first via holes (505) are located correspondingly the exit end of inner tube (2), second via holes (506) are located correspondingly the exit end of outer tube (1) in the outside of inner tube (2).
2. The dual pipe grouting apparatus for mine roadways of claim 1, wherein: the clamping rod (3) comprises a connecting section (301) and a clamping section (302), wherein the connecting section (301) is connected with the inner wall of the outer tube (1), the connecting section (301) is horizontally arranged, the clamping section (302) is connected with the connecting section (301), and when the outer tube (1) is vertically arranged, the clamping section (302) is arranged from high to low in inclination from one end, close to the connecting section (301), far away from one end of the connecting section (301).
3. The dual pipe grouting apparatus for mine roadways of claim 2, wherein: the fixture block (4) comprises a sliding section (401) and a fixing section (402), wherein the sliding section (401) is arranged on the side wall of the outer tube (1) in a sliding mode, the fixing section (402) is connected with the sliding section (401), the fixing section (402) is arranged on the outer side of the outer tube (1), the fixing section (402) is obliquely arranged, and the inclination direction of the fixing section (402) is opposite to that of the clamping section (302).
4. A dual pipe grouting apparatus for mine roadways as claimed in claim 3, characterized in that: the utility model provides a reset assembly includes reset spring (403), mounting panel and closing plate (404), the mounting panel is located the bottom of fixture block (4), the one end of reset spring (403) with the mounting panel is connected, the other end of reset spring (403) with the inner wall connection of outer tube (1), closing plate (404) are the U-shaped, the one end of closing plate (404) with the mounting panel is connected, when reset spring (403) are in natural state, the other end of closing plate (404) with the inner wall interval arrangement of outer tube (1), when inner tube (2) are inserted and are located in outer tube (1), the one end of closing plate (404) keep away from the mounting panel with the inner wall butt of outer tube (1), at this moment, closing plate (404) with fixture block (4) with outer tube (1) enclose and close and be the seal chamber, reset spring (403) are located in the seal chamber.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310347754.3A CN116066152B (en) | 2023-04-04 | 2023-04-04 | Double-pipe grouting device for mine roadway |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310347754.3A CN116066152B (en) | 2023-04-04 | 2023-04-04 | Double-pipe grouting device for mine roadway |
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| CN116066152B true CN116066152B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06108452A (en) * | 1992-09-11 | 1994-04-19 | Heisei Technos Kk | Chemical grouting apparatus employing double-pipe rod |
| KR20000074830A (en) * | 1999-05-26 | 2000-12-15 | 김희영 | Duplication steel pipe grouting method in construction field |
| CN109295979A (en) * | 2018-11-02 | 2019-02-01 | 济南力稳岩土工程有限公司 | A kind of surface drilling can arbitrarily adjust the two-liquid grouting device of slip casting tube angulation |
| CN209704588U (en) * | 2019-03-25 | 2019-11-29 | 无锡市安曼工程机械有限公司 | Two fluid grouting drill bit |
| CN210459180U (en) * | 2019-06-26 | 2020-05-05 | 中国电建集团铁路建设有限公司 | Grouting sleeve valve pipe device for reinforcing interval ground |
| CN113653858A (en) * | 2021-08-27 | 2021-11-16 | 长沙市奇俊机电科技有限公司 | Sleeve pipe |
| CN113832976A (en) * | 2021-10-19 | 2021-12-24 | 中科院广州化灌工程有限公司 | Double-liquid grouting device for foundation pit engineering plugging and emergency rescue and construction method |
| CN115538414A (en) * | 2022-11-03 | 2022-12-30 | 华北有色工程勘察院有限公司 | Double-liquid grouting device for deep hole of flowing water curtain |
-
2023
- 2023-04-04 CN CN202310347754.3A patent/CN116066152B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06108452A (en) * | 1992-09-11 | 1994-04-19 | Heisei Technos Kk | Chemical grouting apparatus employing double-pipe rod |
| KR20000074830A (en) * | 1999-05-26 | 2000-12-15 | 김희영 | Duplication steel pipe grouting method in construction field |
| CN109295979A (en) * | 2018-11-02 | 2019-02-01 | 济南力稳岩土工程有限公司 | A kind of surface drilling can arbitrarily adjust the two-liquid grouting device of slip casting tube angulation |
| CN209704588U (en) * | 2019-03-25 | 2019-11-29 | 无锡市安曼工程机械有限公司 | Two fluid grouting drill bit |
| CN210459180U (en) * | 2019-06-26 | 2020-05-05 | 中国电建集团铁路建设有限公司 | Grouting sleeve valve pipe device for reinforcing interval ground |
| CN113653858A (en) * | 2021-08-27 | 2021-11-16 | 长沙市奇俊机电科技有限公司 | Sleeve pipe |
| CN113832976A (en) * | 2021-10-19 | 2021-12-24 | 中科院广州化灌工程有限公司 | Double-liquid grouting device for foundation pit engineering plugging and emergency rescue and construction method |
| CN115538414A (en) * | 2022-11-03 | 2022-12-30 | 华北有色工程勘察院有限公司 | Double-liquid grouting device for deep hole of flowing water curtain |
Non-Patent Citations (1)
| Title |
|---|
| 水泥-水玻璃双液浆抗动水冲刷性能及灌注工艺研究;高学通;;采矿技术(02);全文 * |
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| CN116066152A (en) | 2023-05-05 |
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