CN118008372A - Pipe slip casting support is torn open in deep hole slip casting backward type slip casting of ore deposit segmentation - Google Patents
Pipe slip casting support is torn open in deep hole slip casting backward type slip casting of ore deposit segmentation Download PDFInfo
- Publication number
- CN118008372A CN118008372A CN202410096480.XA CN202410096480A CN118008372A CN 118008372 A CN118008372 A CN 118008372A CN 202410096480 A CN202410096480 A CN 202410096480A CN 118008372 A CN118008372 A CN 118008372A
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- grouting
- grouting pipe
- pipe
- backing
- pressure
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- 238000007569 slipcasting Methods 0.000 title description 10
- 230000011218 segmentation Effects 0.000 title description 2
- 239000002002 slurry Substances 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 40
- 238000007789 sealing Methods 0.000 claims description 21
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
-
- 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
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- 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)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a mine passage sectional deep hole grouting backward grouting pipe-withdrawing device, which can effectively ensure grouting pressure after grouting and during pipe withdrawal, ensure grouting hole grouting pressure and prevent slurry overflow, ensure grouting reliability and prevent slurry overflow from polluting the environment.
Description
Technical Field
The invention particularly relates to a mine passage sectional deep hole grouting backward grouting pipe-dismantling grouting support, and relates to the field of grouting equipment.
Background
The grouting is used as a main technology of soft rock stratum reinforcement and infiltration reduction, is quite common in mineral exploitation, is a main means for improving stratum reinforcement, water stopping, plugging and waterproofing of underground engineering of a foundation, is a backward grouting device at present, adopts a backward grouting device to effectively practice grouting of a segmented deep hole of a mine, is a mode of directly withdrawing after grouting, can ensure grouting pressure in a grouting hole in the grouting process, is difficult to effectively realize grouting pressure in the grouting hole in the pipe withdrawal operation, and is easy to rotate, and a grouting overflow phenomenon is easy to occur, so that grouting stability is not only influenced, but also environment protection is not facilitated, and pollution is easy to occur.
Disclosure of Invention
Therefore, in order to solve the defects, the invention provides the mine passage sectional deep hole grouting backward grouting pipe-dismantling grouting bracket.
The invention is realized by constructing a mine passage sectional deep hole grouting back-off pipe grouting support, which comprises a back-off grouting pipe, a back-off pressure-retaining control cap and a control mechanism, wherein one end of the back-off grouting pipe is connected with grouting equipment through a pipe fitting, the other end of the back-off grouting pipe is connected with the back-off pressure-retaining control cap through the control mechanism, one end of the back-off grouting pipe connected with the back-off pressure-retaining control cap faces one end in a grouting hole, the mine passage sectional deep hole grouting back-off pipe grouting support is characterized in that one end of the back-off pressure-retaining control cap, which is far away from the back-off grouting pipe, is a forward cone, the control mechanism can control the back-off pressure-retaining control cap to move towards or away from the back-off grouting pipe, a certain distance is reserved between the back-off pressure-retaining control cap and the back-off grouting pipe, so that the back-off pressure-retaining control cap can move towards the grouting pipe through the back-off pressure-retaining mechanism when the back-off pressure-retaining control cap is in a back cone, the back-off pressure-retaining mechanism can move towards the back-off pipe grouting pipe, and the back-off pressure-retaining mechanism can finish the grouting pipe, and the back-off grouting pipe is moved towards the back-retaining mechanism, and the back-off pressure-retaining control cap is moved towards the back-off pipe, and the back-retaining mechanism is moved towards the back-off pipe, and the back-retaining pressure-retaining grouting pipe, when the back-off grouting pipe is moved towards the back-retaining pressure-retaining control cap.
Further, preferably, the diameter of the front cone at the maximum cross section is smaller than the diameter of the rear cone at the maximum cross section.
Further, preferably, the front cone and the rear cone are connected by integrally formed stepped rings.
Further, preferably, a pneumatic gasket is further sleeved on the end, close to the back pressure-maintaining control cap, of the back grouting pipe, and the pneumatic gasket can be expanded and contracted so as to control sealing and non-sealing performance between the back grouting pipe and the inner wall of the grouting hole.
Further, preferably, the pneumatic gasket is contracted when the back-up grouting pipe is retreated by one displacement, and is expanded when the grouting equipment grouting and control mechanism controls the back-up pressure-maintaining control cap to move towards the back-up grouting pipe, so as to ensure tightness between the back-up grouting pipe and the inner wall of the grouting hole.
Further, as the preference, control mechanism includes bracket component, control platform, control drive assembly, drive pendulum rod and drive connecting rod, wherein, bracket component installs in the back formula slip casting pipe, just bracket component's central axis with the central axis of back formula slip casting pipe is coaxial, fixedly on the bracket component be provided with control platform, control platform's central axis with the coaxial arrangement of back formula slip casting pipe, control platform is last to be provided with towards one side of back pressure-retaining control cap control drive assembly, still circumference array articulates on the control platform is provided with a plurality of drive pendulum rods, each drive pendulum rod of control drive assembly drive synchronous rotation, the tip adoption articulated seat and articulated the axle of drive pendulum rod are connected with the drive connecting rod, the tip articulated connection of drive connecting rod is in the back pressure-retaining control cap is interior towards one side of back formula slip casting pipe, through drive and drive connecting rod drives the axial displacement of back pressure-retaining control cap.
Further, as an optimization, the control driving assembly comprises a driving motor, a driving worm and a driving worm wheel, wherein the driving motor is fixed on the control platform, the output end of the driving motor penetrates through the control platform and is connected with the driving worm, the driving worm wheel is fixedly connected with a hinge shaft of the driving swing rod and the control platform, the driving worm wheel is in meshed transmission with the driving worm, and the driving swing rod is enabled to swing synchronously through the driving motor, the driving worm and the driving worm wheel. .
Further, preferably, the support assembly includes at least two support rods arranged in an array, the support rods extend along the radial direction of the back-up grouting pipe, the radial outer ends of the support rods are fixed on the inner wall of the back-up grouting pipe, and the radial inner ends of the support rods are fixedly connected to the control platform.
Further, preferably, a distance between an end face of the rear cone and an end of the receding type grouting pipe is larger than a thickness of the front cone in an axial direction of the grouting hole.
The invention further provides a pipe withdrawing method of the mine passage sectional deep hole grouting backward grouting pipe-dismantling grouting support, which is characterized by comprising the following steps: which comprises the following steps:
(1) Grouting: the method comprises the steps that a back-up grouting pipe stretches into a grouting hole, a control mechanism is used for controlling a back-up pressure-retaining control cap and the back-up grouting pipe to form a maximum distance, grouting equipment is used for grouting into the back-up grouting pipe so as to realize high-pressure grouting of the grouting hole, and a pneumatic sealing gasket is inflated during grouting so as to ensure tightness between the back-up grouting pipe and the inner wall of the grouting hole;
(2) And (5) exiting after grouting:
(2.1) when the section grouting is completed to retreat, firstly controlling the pneumatic sealing gasket to contract, then controlling the retreating grouting pipe to retreat for one displacement, and continuing grouting and pressure maintaining to the retreating grouting pipe by grouting equipment in the retreating process;
(2.2) re-controlling the pneumatic gasket expansion seal, and then controlling the back pressure-maintaining control cap to move towards the back grouting pipe by a control mechanism so as to enable the slurry at the end of the back cone extrusion back grouting pipe to flow out along the back cone, and extruding the flowing slurry to a pushing-out area of the back pressure-maintaining control cap until the back cone is abutted against the back grouting pipe;
(2.3) controlling the pneumatic gasket to shrink, and starting the control mechanism to enable the control mechanism to act, simultaneously enabling the back grouting pipe to back again for one displacement, and enabling the position of the back pressure-keeping control cap to be unchanged as much as possible during back;
(2.4) returning to the step (2.2), and sequentially and circularly carrying out the back-up grouting of the next section until the whole grouting hole is completely grouting, and completely withdrawing the whole back-up grouting pipe and the back-up pressure-retaining control cap from the grouting hole.
The invention has the following advantages: the invention provides a mine passage sectional deep hole grouting backward grouting pipe-dismantling grouting support, which has the following advantages compared with the same type of equipment:
the invention relates to a mine passage sectional deep hole grouting back-up grouting split grouting support, which can effectively ensure grouting pressure after grouting and during pipe withdrawal, ensure grouting pressure in a grouting hole and prevent overflow of grouting, ensure grouting reliability and prevent grouting from overflowing to pollute the environment.
Drawings
FIG. 1 is a schematic diagram of the front view of the present invention;
FIG. 2 is a schematic view of the structure of the present invention at the retraction pressure maintaining control cap and control mechanism;
FIG. 3 is a schematic view of the front side structure of the retraction pressure maintaining control cap of the present invention;
FIG. 4 is a schematic view of the front end of the back-up grouting pipe of the present invention;
FIG. 5 is a schematic rear view of the control mechanism of the present invention;
FIG. 6 is a schematic three-dimensional structure of the control mechanism of the present invention
Fig. 7 is a schematic diagram of a front view of the control mechanism of the present invention.
Detailed Description
The following detailed description of the present invention, taken in conjunction with the accompanying drawings, 1-7, will provide a clear and complete description of the embodiments of the present invention, it being apparent that the embodiments described are merely some, but not all, of the embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a mine passage sectional deep hole grouting backing grouting disassembly pipe grouting bracket by improvement, which comprises a backing grouting pipe 1, a backing pressure-retaining control cap 4 and a control mechanism 3, wherein one end of the backing grouting pipe 1 is connected with grouting equipment through a pipe fitting, the other end of the backing grouting pipe 1 is connected with the backing pressure-retaining control cap 4 through the control mechanism 3, one end of the backing grouting pipe 1 connected with the backing pressure-retaining control cap 4 faces to one end in a grouting hole, the invention is characterized in that one end of the backing pressure-retaining control cap 4, which is far away from the backing grouting pipe, is a front cone 11, one end of the backing pressure-retaining control cap, which is close to the backing grouting pipe, is a rear cone 14, and the control mechanism 3 can control the backing pressure-retaining control cap 4 to move towards or away from the backing grouting pipe 1, the control mechanism 3 controls the back pressure-maintaining control cap 4 and the back grouting pipe 1 to have a certain interval so that the slurry in the back grouting pipe 1 can flow out from the interval, when the back grouting pipe 1 is retreated by one displacement after the grouting is completed, the control mechanism controls the back pressure-maintaining control cap to move towards the back grouting pipe 1 so that the slurry at the back grouting pipe end is extruded by the back cone 14 to flow out along the back cone 14 and extrude the flowing slurry to the pushing-out area of the back pressure-maintaining control cap, when the back cone is abutted against the back grouting pipe 1, the back grouting pipe is controlled to be retreated by one displacement again, and grouting equipment continues grouting pressure maintaining to the back grouting pipe in the back grouting process, and the control mechanism is used for controlling the backward pressure-keeping control cap in the next cycle.
In this embodiment, the diameter of the front cone 14 at its largest cross-section is smaller than the diameter of the rear cone at its largest cross-section.
The front cone and the rear cone are connected by adopting an integrally formed stepped ring 13.
The pneumatic sealing gasket 2 is sleeved at one end, close to the backing pressure-maintaining control cap, of the backing grouting pipe, and the pneumatic sealing gasket 2 can be expanded and contracted so as to control sealing and non-sealing performance between the backing grouting pipe and the inner wall of the grouting hole.
Preferably, an annular clamping groove is formed in the retreating grouting pipe, the pneumatic sealing gasket is located in the annular clamping groove when contracted, and when expanded, the outer peripheral surface of the pneumatic sealing gasket expands and stretches out of the annular clamping groove.
When the back grouting pipe moves back by one displacement, the pneumatic sealing gasket 2 contracts, and when the grouting equipment grouting and the control mechanism control the back pressure-keeping control cap to move towards the back grouting pipe, the pneumatic sealing gasket expands so as to ensure the tightness between the back grouting pipe and the inner wall of the grouting hole.
As a preferred embodiment, the control mechanism comprises a bracket component, a control platform 19, a control driving component 12, a driving swing rod 22 and a driving connecting rod 7, wherein the bracket component is installed in the back grouting pipe 1, the central axis of the bracket component is coaxial with the central axis of the back grouting pipe, the control platform 19 is fixedly arranged on the bracket component, the central axis of the control platform 19 is coaxially arranged with the back grouting pipe, the control driving component 12 is arranged on one side of the control platform 19 facing the back pressure-retaining control cap 4, a plurality of driving swing rods 22 are hinged on the control platform in a circumferential array manner, the driving swing rods are driven by the control driving component to synchronously rotate, the end parts of the driving swing rods 22 are hinged with the driving connecting rod 7 by adopting a seat 8 and a hinge shaft, and the end parts of the driving connecting rods 7 are hinged with one side of the back pressure-retaining cap facing the back grouting pipe, and the driving swing rod and the driving pressure-retaining cap are driven to axially move by the driving swing rods and the driving connecting rod.
The control driving assembly comprises a driving motor 20, a driving worm 23 and a driving worm wheel 25, wherein the driving motor 20 is fixed on the control platform, the output end of the driving motor penetrates through the control platform 19 and is connected with the driving worm 23, the driving worm wheel 25 is fixedly connected with a hinge shaft 26 of the driving swing rod 22 and the control platform, the driving worm wheel 25 is in meshed transmission with the driving worm 23, and the driving swing rod synchronously swings through the driving motor 20, the driving worm and the driving worm wheel.
The support assembly comprises at least two support rods 21 arranged in an array, the support rods 21 extend along the radial direction of the back-up grouting pipe, the radial outer ends of the support rods 21 are fixed on the inner wall of the back-up grouting pipe, and the radial inner ends of the support rods are fixedly connected to the control platform 19.
As a more preferred embodiment, the distance between the end face of the back cone and the end of the back-type grouting pipe is larger than the thickness of the front cone in the axial direction of the grouting hole.
In addition, the invention also provides a pipe withdrawing method of the mine passage sectional deep hole grouting backward grouting pipe-dismantling grouting support, which adopts the mine passage sectional deep hole grouting backward grouting pipe-dismantling grouting support and is characterized in that: which comprises the following steps:
(1) Grouting: the method comprises the steps that a back-up grouting pipe stretches into a grouting hole, a control mechanism is used for controlling a back-up pressure-retaining control cap and the back-up grouting pipe to form a maximum distance, grouting equipment is used for grouting into the back-up grouting pipe so as to realize high-pressure grouting of the grouting hole, and a pneumatic sealing gasket is inflated during grouting so as to ensure tightness between the back-up grouting pipe and the inner wall of the grouting hole;
(2) And (5) exiting after grouting:
(2.1) when the section grouting is completed to retreat, firstly controlling the pneumatic sealing gasket to contract, then controlling the retreating grouting pipe to retreat for one displacement, and continuing grouting and pressure maintaining to the retreating grouting pipe by grouting equipment in the retreating process;
(2.2) re-controlling the pneumatic gasket expansion seal, and then controlling the back pressure-maintaining control cap to move towards the back grouting pipe by a control mechanism so as to enable the slurry at the end of the back cone extrusion back grouting pipe to flow out along the back cone, and extruding the flowing slurry to a pushing-out area of the back pressure-maintaining control cap until the back cone is abutted against the back grouting pipe;
(2.3) controlling the pneumatic gasket to shrink, and starting the control mechanism to enable the control mechanism to act, simultaneously enabling the back grouting pipe to back again for one displacement, and enabling the position of the back pressure-keeping control cap to be unchanged as much as possible during back;
(2.4) returning to the step (2.2), and sequentially and circularly carrying out the back-up grouting of the next section until the whole grouting hole is completely grouting, and completely withdrawing the whole back-up grouting pipe and the back-up pressure-retaining control cap from the grouting hole.
The invention relates to a mine passage sectional deep hole grouting back-up grouting split grouting support, which can effectively ensure grouting pressure after grouting and during pipe withdrawal, ensure grouting pressure in a grouting hole and prevent overflow of grouting, ensure grouting reliability and prevent grouting from overflowing to pollute the environment.
The basic principle and main characteristics of the invention and the advantages of the invention are shown and described above, standard parts used by the invention can be purchased from market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolt rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the description is omitted.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A mine tunnel sectional deep hole grouting backing grouting pipe removing device, which comprises a backing grouting pipe, a backing pressure-retaining control cap and a control mechanism, wherein one end of the backing grouting pipe is connected with grouting equipment through a pipe fitting, the other end of the backing grouting pipe is connected with the backing pressure-retaining control cap through the control mechanism, one end of the backing grouting pipe connected with the backing pressure-retaining control cap faces one end in a grouting hole, the device is characterized in that one end of the backing pressure-retaining control cap, which is far away from the backing grouting pipe, is a forward cone, one end of the backing pressure-retaining control cap, which is close to the backing grouting pipe, is a reverse cone, and the control mechanism can control the backing pressure-retaining control cap to move towards or away from the backing grouting pipe, and when grouting is performed, the backing pressure-retaining control cap is controlled to be capable of making slurry in the backing grouting pipe flow out from the end of the backing pressure-retaining control cap to the grouting pipe, and the backing pressure-retaining control cap is moved to the backing pressure-retaining control mechanism, and the backing pressure-retaining control cap is moved to the backing pipe when the backing pressure-retaining control cap is moved to the backing pressure-retaining control cap, and the backing pressure-retaining control cap is moved to the backing pipe, and the backing pressure-retaining control cap is moved to the backing pressure-retaining control cap when the backing pressure-retaining control cap is moved to the backing pipe.
2. The mine tunnel sectional deep hole grouting backward grouting pipe-withdrawing device as claimed in claim 1, wherein: the diameter of the largest cross section of the front cone is smaller than that of the largest cross section of the rear cone.
3. The mine tunnel sectional deep hole grouting backward grouting pipe-withdrawing device as claimed in claim 1, wherein: the front cone and the rear cone are connected by integrally formed stepped rings.
4. The mine tunnel sectional deep hole grouting backward grouting pipe-withdrawing device as claimed in claim 2, wherein: the pneumatic sealing gasket is sleeved at one end, close to the backing pressure-maintaining control cap, of the backing grouting pipe, and can be expanded and contracted so as to control sealing and non-sealing performance between the backing grouting pipe and the inner wall of the grouting hole.
5. The mine tunnel sectional deep hole grouting backward grouting pipe withdrawing device as claimed in claim 4, wherein: when the back type grouting pipe is moved back by one displacement, the pneumatic sealing gasket contracts, and when the grouting equipment grouting and the control mechanism control the back pressure-keeping control cap to move towards the back type grouting pipe, the pneumatic sealing gasket expands so as to ensure the tightness between the back type grouting pipe and the inner wall of the grouting hole.
6. The mine tunnel sectional deep hole grouting backward grouting pipe withdrawing device as claimed in claim 5, wherein: the control mechanism comprises a support assembly, a control platform, a control driving assembly, driving swing rods and driving connecting rods, wherein the support assembly is installed in a backward grouting pipe, the central axis of the support assembly is coaxial with the central axis of the backward grouting pipe, the control platform is fixedly arranged on the support assembly, the central axis of the control platform is coaxially arranged with the backward grouting pipe, one side of the control platform, which faces to a backward pressure-retaining control cap, is provided with the control driving assembly, a plurality of driving swing rods are hinged to the control platform in a circumferential array manner, the control driving assembly drives the driving swing rods to synchronously rotate, the end parts of the driving swing rods are hinged to the driving connecting rods through hinge bases and hinge shafts, and the end parts of the driving connecting rods are hinged to one side of the backward pressure-retaining control cap, which faces to the backward grouting pipe, and are hinged to the driving connecting rods to drive the backward pressure-retaining control cap to axially move through the driving swing rods and the driving connecting rods.
7. The mine tunnel sectional deep hole grouting backward grouting pipe withdrawing device as claimed in claim 6, wherein: the control driving assembly comprises a driving motor, a driving worm and a driving worm wheel, wherein the driving motor is fixed on the control platform, the output end of the driving motor penetrates through the control platform and is connected with the driving worm, the driving worm wheel is fixedly connected with a hinge shaft of the driving swing rod and the control platform, the driving worm wheel is in meshed transmission with the driving worm, and the driving swing rod is enabled to swing synchronously through the driving motor, the driving worm and the driving worm wheel. .
8. The mine tunnel sectional deep hole grouting backward grouting pipe withdrawing device as claimed in claim 6, wherein: the support assembly comprises at least two support rods arranged in an array, the support rods extend along the radial direction of the backward grouting pipe, the radial outer ends of the support rods are fixed on the inner wall of the backward grouting pipe, and the radial inner ends of the support rods are fixedly connected to the control platform.
9. The mine tunnel sectional deep hole grouting backward grouting pipe-withdrawing device as claimed in claim 1, wherein: the distance between the end face of the back cone and the end of the back grouting pipe is larger than the thickness of the front cone in the axial direction of the grouting hole.
10. A pipe withdrawal method of a mine passage sectional deep hole grouting backward grouting pipe withdrawal device, which adopts the mine passage sectional deep hole grouting backward grouting pipe withdrawal device as set forth in any one of claims 1 to 9, and is characterized in that: which comprises the following steps:
(1) Grouting: the method comprises the steps that a back-up grouting pipe stretches into a grouting hole, a control mechanism is used for controlling a back-up pressure-retaining control cap and the back-up grouting pipe to form a maximum distance, grouting equipment is used for grouting into the back-up grouting pipe so as to realize high-pressure grouting of the grouting hole, and a pneumatic sealing gasket is inflated during grouting so as to ensure tightness between the back-up grouting pipe and the inner wall of the grouting hole;
(2) And (5) exiting after grouting:
(2.1) when the section grouting is completed to retreat, firstly controlling the pneumatic sealing gasket to contract, then controlling the retreating grouting pipe to retreat for one displacement, and continuing grouting and pressure maintaining to the retreating grouting pipe by grouting equipment in the retreating process;
(2.2) re-controlling the pneumatic gasket expansion seal, and then controlling the back pressure-maintaining control cap to move towards the back grouting pipe by a control mechanism so as to enable the slurry at the end of the back cone extrusion back grouting pipe to flow out along the back cone, and extruding the flowing slurry to a pushing-out area of the back pressure-maintaining control cap until the back cone is abutted against the back grouting pipe;
(2.3) controlling the pneumatic gasket to shrink, and starting the control mechanism to enable the control mechanism to act, simultaneously enabling the back grouting pipe to back again for one displacement, and enabling the position of the back pressure-keeping control cap to be unchanged as much as possible during back;
(2.4) returning to the step (2.2), and sequentially and circularly carrying out the back-up grouting of the next section until the whole grouting hole is completely grouting, and completely withdrawing the whole back-up grouting pipe and the back-up pressure-retaining control cap from the grouting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410096480.XA CN118008372A (en) | 2024-01-24 | 2024-01-24 | Pipe slip casting support is torn open in deep hole slip casting backward type slip casting of ore deposit segmentation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410096480.XA CN118008372A (en) | 2024-01-24 | 2024-01-24 | Pipe slip casting support is torn open in deep hole slip casting backward type slip casting of ore deposit segmentation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118008372A true CN118008372A (en) | 2024-05-10 |
Family
ID=90949398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410096480.XA Pending CN118008372A (en) | 2024-01-24 | 2024-01-24 | Pipe slip casting support is torn open in deep hole slip casting backward type slip casting of ore deposit segmentation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118008372A (en) |
-
2024
- 2024-01-24 CN CN202410096480.XA patent/CN118008372A/en active Pending
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