CN104452804A - Full-face stirring and cutting wall construction machine - Google Patents
Full-face stirring and cutting wall construction machine Download PDFInfo
- Publication number
- CN104452804A CN104452804A CN201410761555.8A CN201410761555A CN104452804A CN 104452804 A CN104452804 A CN 104452804A CN 201410761555 A CN201410761555 A CN 201410761555A CN 104452804 A CN104452804 A CN 104452804A
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- Prior art keywords
- chain
- rectangle
- chain stay
- cutting
- stay
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
- E02D5/187—Bulkheads or similar walls made solely of concrete in situ the bulkheads or walls being made continuously, e.g. excavating and constructing bulkheads or walls in the same process, without joints
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/06—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging elements mounted on an endless chain
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a full-face stirring and cutting wall construction machine. The full-face stirring and cutting wall construction machine mainly comprises a crawler crane, a pulley block, a chain rotating device and a grouting pipe, wherein the chain rotating device mainly comprises a rectangular chain support, a chain, a plurality of knives and a motor; the grouting pipe is arranged on the rectangular chain support; chain wheels are arranged at four corners of the rectangular chain support; a plurality of guiding wheels are distributed on the two sides and the bottom of the rectangular chain support; the chain is arranged on chain wheels and the guiding wheels; the knives are distributed on the surface of the chain at intervals; a crawler crane drives the rectangular chain support to move up and down; the motor drives the chain wheels at the two corners of the upper end of the rectangular chain support to rotate; the chain wheels drive the chain; the chain drives the knives; the knives continuously cut off and stir a rock fracture face; and a plurality of knife dropping preventing mechanisms are distributed on the chain at intervals. The full-face stirring and cutting wall construction machine has the advantages that the full-face stirring and cutting wall construction machine is simple in structure, low in cost, easy to operate, high in efficiency and wide in application range and can adapt to change of rock surfaces of strata.
Description
Technical field
The present invention relates to a kind of Construction of Civil Engineering equipment, specifically a kind of tunneling boring stirs cutting and makes wall telephone.
Background technology
In current Construction of Civil Engineering process, usually relate to the construction of the underground such as basement, subway building.According to geological conditions during construction, first construction foundation pit prop.In rich groundwater, soil layer is weak or be in the area not possessing precipitation condition, Basement pit supporting body must possess gear soil simultaneously and to intercept water function, and the mode that intercepts water mainly comprises steel concrete diaphragm wall, the Soil-cement piling wall of overlap joint or high pressure and revolves (pendulum) and spray wall etc.
Cement mixing method is because cost is low and of many uses, and the single pile overlapped mutually by 550@400 at first forms, to the single pile developing now major diameter 800 ~ 1200, and three axles even five axle mixing pile machines.These traditional deep-mixing pile driver bracket heights are limited, overlap joint is mutually relied on to form cut-off wall, and stirring pile stirring head is positioned at and can only locally stirs bottom, disadvantage is, make the wall degree of depth 35 meters and arrive the limit, and the easy jag in body of wall bottom, upper and lower intensity is uneven, run into Soft Soil Layer intensity very low, greatly have impact on gear soil and the effect that intercepts water.
It is CN102021920A that State Intellectual Property Office discloses publication number on April 20th, 2011, patent name is the patent document of continuous wall forming machine of underground cement soil impermeable wall, this continuous wall forming machine of underground cement soil impermeable wall, machinery chassis and hydraulic pressure support form walking travel mechanism, framework and tilt adjustments bar are arranged on machinery chassis, framework realizes vertical by tilt adjustments bar or tilts, framework is installed vertical guide rod and horizontal driving cylinder, cutter drives mechanism is connected with knife combination chain and cutterhead with set of knives mould assembling, and moved up and down along vertical guide rod by vertical driving cylinder, the knife combination chain being looped around set of knives mould assembling both sides is at the intercropping around the movement of cutter drives mechanism and cutterhead, be fixed on blade on knife combination chain and realize cutting to soil layer and stirring, cutterhead is built with cutter guide wheel, cement jet pipe and vertical reference.Really produce non-" hedge " impervious wall with excellent anti-seepage effect by this machinery, this continuous impervious wall be homogeneous, trend precisely, anti-seepage effect is better, and technique is simple, excavates downwards, cutting soil layer, cement are made wall with local methods and accomplished without any letup.
Above-mentioned patent has mainly done improvement to crawler crane, and this patent has mainly done improvement to chain stay, sprocket wheel distribution and chain installation, and both exist the difference of essence.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, provide the tunneling boring stirring cutting that a kind of cost is low, processing ease, efficiency of construction are high to make wall telephone.
For achieving the above object, the technical solution adopted in the present invention is:
Tunneling boring stirs cutting and makes wall telephone, it is primarily of crawler crane, assembly pulley, chain slewing gear and Grouting Pipe are formed, described chain slewing gear is primarily of rectangle chain stay, chain, multiple cutter, motor is formed, described Grouting Pipe is located on rectangle chain stay, the lower end of described Grouting Pipe is connected with two or more slip casting branched pipe, described slip casting branched pipe is communicated with the grouting port on rectangle chain stay two side, the corner place of described rectangle chain stay is provided with sprocket wheel, the both sides of rectangle chain stay and bottom part are furnished with multiple directive wheel, described chain is located on described sprocket wheel and directive wheel, described multiple cutter is distributed in the surface of chain, crawler crane is connected with assembly pulley by lifting rope, assembly pulley is connected with the upper end of rectangle chain stay, crawler crane drives rectangle chain stay to move up and down, described motor driving sprocket rotation, sprocket wheel drives chain, chain-driving cutter, cutter continuous cutting and stirring ground section.
Described motor is provided with two, and two motors are located at the both sides of rectangle chain stay, and connects with two sprocket wheels of upper end in rectangle chain stay respectively.The mounting means of two motors can keep the center of gravity of rectangle chain stay placed in the middle, is conducive to keeping vertical verticality, and two motors enable that sprocket wheel is forward and reverse to rotate, thus realize forward and reverse movement of chain.
Described motor adopts hydraulic motor.
Described rectangle chain stay is docked by epimerite, multiple middle node and coxopodite to form.
Chain elasticity adjusting mechanism is provided with between described epimerite and the middle node adjacent with epimerite, described chain elasticity adjusting mechanism is made up of hydraulic jack, spring and slide bar and chute, chute is located on the middle node adjacent with epimerite, and described hydraulic jack and described spring are located between epimerite and adjacent middle node.
Between described adjacent middle node and be bolted between middle node and coxopodite.
Described rectangle chain stay is provided with the inclinometer detecting rectangle chain stay gradient.
On described rectangle chain stay and the both sides being positioned at chain are provided with the anti-device that walks, and the described anti-device that walks is made up of plastic slide and steel baffle plate, and the bottom of described steel baffle plate and rectangle chain stay pass through Bolt Connection, and side approaches chain both sides; Described plastic slide is located between chain and steel baffle plate, is located on steel baffle plate by bolt.When cutter cut stressed excessive time, in the cell body that chain is blocked in directive wheel, the anti-device that walks is formed, effectively prevent chain to walk.
Beneficial effect of the present invention:
One, a kind of tunneling boring provided by the present invention stir cutting and make wall telephone, described chain rotates along rectangle chain stay edge, and carry its tools constantly cuts stirring rock-soil layer, realizes tunneling boring and cuts/stir, higher with local stirring efficiency than the vertical Stirring of deep-mixing pile driver, the degree of depth is darker, and make wall thickness even and thin, strength of wall body is even, continuity is good, the performance that intercepts water promotes further, simple for production, more meets the demand of current High Speed Construction.
Two, the sliceable growth of chain stay of the present invention, reaches darker rock-soil layer, processes the rock-soil layer of different origins, adapts to wider construction demand.Described sliceable structure can also realize support sectional making, is reduced on making, in use, transports the difficulty deposited.
Three, the double chain wheel design of bottom makes to overlap better effects if bottom body of wall than traditional bottom that bull wheel cost design is lower, square.The simultaneously application of directive wheel makes cutter when cutting is carried out, the pressure increase of chain and soil layer, still can keep less friction and normal rotation between chain and directive wheel.
Four, structure of the present invention is simple, and accessory is ripe, and cost is low; Processing ease, efficiency is high, and can adapt to the change of stratum scar, range of application is wider; Make the thin saving cement of wall, accomplish material-saving environmental.The present invention more can adapt to the needs of current High Speed Construction, has higher application value.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the chain stay of rectangle shown in Fig. 1;
Fig. 3 is the structural representation of chain shown in Fig. 1;
Fig. 4 is the enlarged drawing at the place of A shown in Fig. 3.
In figure: 1, crawler crane; 2, assembly pulley; 3, rectangle chain stay; 4, chain; 5, cutter; 6, motor; 7, sprocket wheel; 8, directive wheel; 9, lifting rope; 10, epimerite; 11, middle node; 12, coxopodite; 13, hydraulic jack; 14, spring; 15, slide bar; 16, chute; 17, inclinometer; 18, Grouting Pipe; 19, plastic slide; 20, steel baffle plate; 21 grouting ports; 22, slip casting branched pipe; 23, merogenesis connecting bolt.
Detailed description of the invention
As shown in Figure 1, 2, tunneling boring stirs cutting and makes wall telephone, it is formed primarily of crawler crane 1, assembly pulley 2, chain slewing gear and Grouting Pipe 18, described chain slewing gear is formed primarily of rectangle chain stay 3, chain 4, multiple cutter 5, motor 6, described Grouting Pipe 18 is located on rectangle chain stay 3, the lower end of described Grouting Pipe 18 is connected with two slip casting branched pipes 22, and described slip casting branched pipe 22 is communicated with the grouting port 21 on rectangle chain stay 3 two side.Cement grout is discharged by grouting port 21.The corner place of described rectangle chain stay 3 is provided with sprocket wheel 7, the both sides of rectangle chain stay 3 and bottom part are furnished with multiple directive wheel 8, described chain 4 is located on described sprocket wheel 7 and directive wheel 8, described multiple cutter 5 is distributed in the surface of chain 4, crawler crane 1 is connected with assembly pulley 2 by lifting rope 9, assembly pulley 2 is connected with the upper end of rectangle chain stay 3, crawler crane 1 drives rectangle chain stay 3 to move up and down, described motor 6 is with movable sprocket 7 to rotate, sprocket wheel 7 drives chain 4, chain 4 carry its tools 5, cutter 5 continuous cutting and stirring ground section.In the driver's cabin of crawler crane, control the motion of circumversion chain, and the fluctuations of circumversion chain adaptation stratum scar can be controlled.
Described motor 6 is provided with two, and two motors 6 are located at the both sides of rectangle chain stay 3, and connects with two sprocket wheels of upper end in rectangle chain stay 3 respectively, rotates to drive two of upper end in rectangle chain stay 3 sprocket wheels 7.The mounting means of two motors 6 can keep the center of gravity of rectangle chain stay placed in the middle, is conducive to keeping vertical verticality, and two motors enable that sprocket wheel is forward and reverse to rotate, thus realize forward and reverse movement of chain 4.Described motor 6 adopts hydraulic motor.
Described rectangle chain stay 3 is docked by epimerite 10, multiple middle node 11 and coxopodite 12 to form.The length of described epimerite 10 is 2 ~ 3 meters, and the length of each middle node 11 is 3 ~ 10 meters, and the length of coxopodite 12 is 3 ~ 6 meters.Chain elasticity adjusting mechanism is provided with between described epimerite 10 and the middle node 11 adjacent with epimerite, described chain elasticity adjusting mechanism is made up of hydraulic jack 13, spring 14 and slide bar 15 and chute 16, chute 16 is located on the middle node 11 adjacent with epimerite, one end of described slide bar 15 connects with epimerite 10, the other end is located in described chute 16, and described hydraulic jack 13 and described spring 14 are located between adjacent middle node 11 and epimerite 10.Bolt butt hole is left in the two ends of described all middle nodes 11 and one end of coxopodite 12, is connected between adjacent middle node by bolt 23, and middle node is connected by bolt 23 with coxopodite.
Described rectangle chain stay 3 is provided with the inclinometer 17 detecting rectangle chain stay gradient.
As shown in Figure 3,4, on described rectangle the chain stay 3 and both sides being positioned at chain 4 are provided with the anti-device that walks, the described anti-device that walks is made up of plastic slide 19 and steel baffle plate 20, and pass through Bolt Connection with rectangle chain stay 3 bottom described steel baffle plate 20, side approaches chain 4 both sides; Described plastic slide 19 is located between chain 4 and steel baffle plate 20, is located on steel baffle plate 20 by bolt.When cutter 5 cut stressed excessive time, in the cell body that chain 4 is blocked in directive wheel, the anti-device that walks is formed, effectively prevent chain 4 to walk.
Concrete construction method of the present invention, comprises the following steps:
S1, select tool type according to the rock-soil layer soil property of in-site measurement; Determine the width of cutter according to design scheme desired depth and determine the joint number of chain stay;
S2, the tunneling boring assembling band epimerite, the middle node adjacent with epimerite (band chute) and coxopodite stir cutting and make wall telephone;
S3, the tunneling boring assembled stir to cut makes wall telephone first for excavating the hole body placing standard knot.Near the corner that wall is made in plan, select appropriate location to dig pit, place standard knot (middle node).Described hole body size just can put the vertical iron case placing standard knot into.Described correct position, when not hindering one's work, allows crane can arrive with suspension hook at every section of top making wall and end as far as possible.After hole body completes, put into described iron case, and put in case by the standard knot transported to, standard knot is kept erectting by casing constraint;
S4, to bore the appointment original position of leading wall of constructing is vertically lower, until coxopodite sinks to soil layer, stop the rotation and lower brill, then insert cross bar at its top and be stuck in and lead on wall, prevent rack sinking.Then unclamp the connection of middle node and coxopodite, disconnect Grouting Pipe, chain, crane pivoted arm is come with epimerite and the middle node adjacent with epimerite and cheat above body, is connected, then hangs and standard knot and coxopodite are spliced with the standard knot in cheating.And connect Grouting Pipe, chain, adjustment chain degree of tightness; Slightly sling, remove cross bar, continue lower boring.After standard knot also drops to underground, then repeat the step of above-mentioned interpolation standard knot, until the size first time of chain stay can reach needed for designing requirement, tunneling boring stirring cutting is made wall telephone and is installed;
Get into projected depth under the length of S5, chain stay, start to carry out transverse shifting cutting, stir the soil body back and forth.Inject cement paste simultaneously, mix with the soil body, form continuous print cement-soil body of wall.Namely required function is reached after cement-soil hardens gradually.Swell soil can be injected from Grouting Pipe in cutting whipping process, make the soil body have mobility and workability.Or after each slip casting, optionally with swell soil or clean water pipeline.In working angles, according to the gradient of cutting effect and inclinometer reflection, crane control the speed of circumversion chain incision by assembly pulley and adjustment and recovery vertical.
After S6, one section of straight line body of wall complete, need dismantle chain stay standard knot section by section, method is the reverse operating of installation process, and pipeline and all parts of circumversion chain is cleaned up with clear water in unloading process.The circumversion chain that crane control epimerite, the middle node adjacent with epimerite and coxopodite form repeats S4, S5, starts another section of straight line body of wall, until all wall sections complete.By this, in embodiments of the present invention, stir the assembling process of cutting and making wall telephone from described tunneling boring, the structure originally making wall device is simple, and accessory is ripe, and installation steps are few; During work, the frame construction of circumversion chain can reach tunneling boring and makes wall, even intensity; It is smooth-going that continuous moving makes to make wall, and the performance that intercepts water is better; The degree of depth that the sliceable reply of support is different.And framework three limit is cut stirring and is realized efficiency operation simultaneously.Such device has larger improvement effect and higher application value, can very welcome, can be used widely.
The above is the preferred embodiment of the present invention; certainly the interest field of the present invention can not be limited with this; should be understood that; for those skilled in the art; technical scheme of the present invention is modified or equivalent replacement, do not depart from the protection domain of technical solution of the present invention.
Claims (8)
1. a tunneling boring stirs cutting and makes wall telephone, it is characterized in that: it is primarily of crawler crane, assembly pulley, chain slewing gear and Grouting Pipe are formed, described chain slewing gear is primarily of rectangle chain stay, chain, multiple cutter, motor is formed, described Grouting Pipe is located on rectangle chain stay, the lower end of described Grouting Pipe is connected with two or more slip casting branched pipe, described slip casting branched pipe is communicated with the grouting port on rectangle chain stay two side, the corner place of described rectangle chain stay is provided with sprocket wheel, the both sides of rectangle chain stay and bottom part are furnished with multiple directive wheel, described chain is located on described sprocket wheel and directive wheel, described multiple cutter is distributed in the surface of chain, crawler crane is connected with assembly pulley by lifting rope, assembly pulley is connected with the upper end of rectangle chain stay, crawler crane drives rectangle chain stay to move up and down, described motor driving sprocket rotation, sprocket wheel drives chain, chain-driving cutter, cutter continuous cutting and stirring ground section.
2. tunneling boring according to claim 1 stirs cutting and makes wall telephone, and it is characterized in that: described motor is provided with two, two motors are located at the both sides of rectangle chain stay, and connect with two sprocket wheels of upper end in rectangle chain stay respectively.
3. tunneling boring according to claim 2 stirs cutting and makes wall telephone, it is characterized in that: described motor adopts hydraulic motor.
4. tunneling boring according to claim 1 stirs cutting and makes wall telephone, it is characterized in that: described rectangle chain stay is docked by epimerite, multiple middle node and coxopodite to form.
5. tunneling boring according to claim 4 stirs cutting and makes wall telephone, it is characterized in that: between described epimerite and the middle node adjacent with epimerite, be provided with chain elasticity adjusting mechanism, described chain elasticity adjusting mechanism is made up of hydraulic jack, spring and slide bar and chute, chute is located on the middle node adjacent with epimerite, and described hydraulic jack and described spring are located between epimerite and adjacent middle node.
6. tunneling boring according to claim 5 stirs cutting and makes wall telephone, it is characterized in that: between described adjacent middle node and be bolted between middle node and coxopodite.
7. the tunneling boring according to claim 5 or 6 stirs cutting and makes wall telephone, it is characterized in that: the inclinometer described rectangle chain stay being provided with to detect rectangle chain stay gradient.
8. tunneling boring according to claim 1 stirs cutting and makes wall telephone, it is characterized in that: on described rectangle chain stay and the both sides being positioned at chain are provided with the anti-device that walks, the described anti-device that walks is made up of plastic slide and steel baffle plate, the bottom of described steel baffle plate and rectangle chain stay are by Bolt Connection, and side approaches chain both sides; Described plastic slide is located between chain and steel baffle plate, is located on steel baffle plate by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410761555.8A CN104452804B (en) | 2014-12-12 | 2014-12-12 | Wall telephone is made in tunneling boring stirring cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410761555.8A CN104452804B (en) | 2014-12-12 | 2014-12-12 | Wall telephone is made in tunneling boring stirring cutting |
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| Publication Number | Publication Date |
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| CN104452804A true CN104452804A (en) | 2015-03-25 |
| CN104452804B CN104452804B (en) | 2016-08-17 |
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| CN201410761555.8A Active CN104452804B (en) | 2014-12-12 | 2014-12-12 | Wall telephone is made in tunneling boring stirring cutting |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837166A (en) * | 2017-04-03 | 2017-06-13 | 王浩人 | A kind of rig |
| CN106837167A (en) * | 2017-04-03 | 2017-06-13 | 王浩人 | Chain type rotary drilling rig |
| CN106988366A (en) * | 2017-04-19 | 2017-07-28 | 姜西忠 | A kind of mismatch wall manufacture machinery |
| CN115262605A (en) * | 2022-06-30 | 2022-11-01 | 中煤科工集团西安研究院有限公司 | Construction method of mine ultra-deep lateral water interception curtain |
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| CN87104708A (en) * | 1986-06-13 | 1988-03-02 | 连续混凝土浇筑有限公司 | Improved trenching machine and the method for constructing underground retaining wall |
| CN2185765Y (en) * | 1993-10-17 | 1994-12-21 | 梁庆亮 | Dredging and soil-shifting machine |
| JP2006103941A (en) * | 2004-10-08 | 2006-04-20 | Hitachi Constr Mach Co Ltd | Self-propelled working machine |
| CN102021920A (en) * | 2010-08-27 | 2011-04-20 | 陶为 | Continuous wall forming machine of underground cement soil impermeable wall |
| EP2620553A1 (en) * | 2012-01-25 | 2013-07-31 | Sterk Cellar Murum B.V. | Device for digging a trench |
| CN204608826U (en) * | 2014-12-12 | 2015-09-02 | 钟景尧 | Tunneling boring stirs cutting and makes wall telephone |
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2014
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| CN87104708A (en) * | 1986-06-13 | 1988-03-02 | 连续混凝土浇筑有限公司 | Improved trenching machine and the method for constructing underground retaining wall |
| CN2185765Y (en) * | 1993-10-17 | 1994-12-21 | 梁庆亮 | Dredging and soil-shifting machine |
| JP2006103941A (en) * | 2004-10-08 | 2006-04-20 | Hitachi Constr Mach Co Ltd | Self-propelled working machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837166A (en) * | 2017-04-03 | 2017-06-13 | 王浩人 | A kind of rig |
| CN106837167A (en) * | 2017-04-03 | 2017-06-13 | 王浩人 | Chain type rotary drilling rig |
| CN106988366A (en) * | 2017-04-19 | 2017-07-28 | 姜西忠 | A kind of mismatch wall manufacture machinery |
| CN115262605A (en) * | 2022-06-30 | 2022-11-01 | 中煤科工集团西安研究院有限公司 | Construction method of mine ultra-deep lateral water interception curtain |
| CN115262605B (en) * | 2022-06-30 | 2023-07-18 | 中煤科工集团西安研究院有限公司 | Construction method of mine ultra-deep lateral water interception curtain |
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| Publication number | Publication date |
|---|---|
| CN104452804B (en) | 2016-08-17 |
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