CN109457689B - Underground continuous film-hanging wall building machine - Google Patents
Underground continuous film-hanging wall building machine Download PDFInfo
- Publication number
- CN109457689B CN109457689B CN201811417879.4A CN201811417879A CN109457689B CN 109457689 B CN109457689 B CN 109457689B CN 201811417879 A CN201811417879 A CN 201811417879A CN 109457689 B CN109457689 B CN 109457689B
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- steel structure
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- arm
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 73
- 239000010959 steel Substances 0.000 claims abstract description 73
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 239000012528 membrane Substances 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- 239000002689 soil Substances 0.000 abstract description 16
- 238000010276 construction Methods 0.000 abstract description 14
- 238000009412 basement excavation Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 239000002985 plastic film Substances 0.000 abstract description 2
- 229920006255 plastic film Polymers 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 27
- 239000000463 material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009364 mariculture Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
-
- 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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- 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
- E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
Abstract
The invention discloses an underground continuous vertical membrane wall building machine, and belongs to civil engineering machinery. Comprises a chassis assembly, a crawler traveling system, a guide arm amplitude changing system, an excavating system and a detachable film hanging curtain laying machine. Film dropping curtain laying machine: the bottom plate in the box body is provided with a carrier roller, and the inner sides of the two ends of the box body are provided with a spring device; the lower part of the spring is connected with a rotary seat which is in sliding connection with the box body; a supporting shaft penetrates through the steel tube roller, and two ends of the supporting shaft are arranged in the rotary seat. The invention completes the excavation of the underground deep groove through the excavating system; meanwhile, a plastic film is laid in the deep groove through a vertical film curtain laying machine. The excavated soil is conveyed to the soil stirring of the double-shaft mud stirring machine through the conveying bin, the screw conveyor and the canvas conveying pipe and then backfilled into the underground deep groove, or commodity concrete is conveyed to a construction site according to engineering design requirements and is directly poured into the excavated underground deep groove to form a wall. The integral construction speed is high, the one-step forming is carried out, the cost is low, and the water seepage prevention effect is good.
Description
Technical Field
The invention relates to a water conservancy (civil engineering) engineering machine, in particular to an underground continuous membrane wall building machine which is used for building a continuous underground water retaining wall on a beach area and a dam body at the sides of rivers, lakes and reservoirs, and can also show great advantages of building the underground wall in a desert area.
Background
There are thousands of kilometers of coastline in our country, there are numerous crisscrossed big rivers and lakes with stars and closely spaced wetlands. The development and utilization of the beach area, such as the heavy projects of wharfs, goods yards, bathing yards, mariculture and the like, are urgently needed to be built. The beach is developed by firstly constructing one or more underground continuous water retaining walls, and draining water in the water retaining walls for construction. In addition, in heavy rain season, the water level in the river, the lake is high, the dike is immersed by water for a long time, the dike is easy to leak, and the disaster is caused by dike breach in severe cases. The effective method for reinforcing the dam is to construct a continuous water retaining wall on the inner side of the dam, prevent the dam body from being soaked by water and ensure flood control safety.
The construction of the retaining wall is not ideal at present, and a high-pressure jet grouting pile machine or a cement stirring pile machine is adopted, wherein the high-pressure jet grouting pile machine cannot construct the continuous retaining wall, and the cement stirring pile machine cannot construct when meeting the sand, and can only rely on manual operation, so that the construction period of the manual operation is long, the production efficiency is low, and the construction cost is high. The continuous retaining wall of the artificial building has small depth and low strength of the dam body, and when the sea water rises and falls and the water level in the rainy season is high, the dam body constructed manually is easy to leak and topple over, so that unsafe accidents are caused.
Chinese patent discloses a one-step wall forming machine (CN20090232866. X) for underground continuous water-retaining walls, which forms an underground water-retaining wall at one time by continuously excavating and continuously pouring mixed soil. But its disadvantages are as follows: the pouring structure is complex, the wall is formed by using the mixed soil, the cost is high, and the construction speed is low.
Disclosure of Invention
In order to solve the technical problems, the invention provides a continuous film hanging wall building machine. The underground continuous film hanging wall building machine can be used for directly backfilling excavated soil after stirring, and continuously paving waterproof films in excavated grooves, so that the effects of high construction speed and low cost are achieved.
The invention is realized by the following technical scheme: the underground continuous film hanging wall building machine comprises a chassis assembly, wherein a crawler traveling system is arranged below the chassis assembly, and an excavating system is arranged on the chassis assembly through a guide arm amplitude changing system;
the upper side of the excavating system is detachably provided with a vertical film curtain paving machine, and a steel pipe roller is arranged in the vertical film curtain paving machine;
the vertical membrane curtain paving machine comprises a long box body with an open upper side surface, and a pressing plate is hinged to the upper side surface of the box body; the bottom plate in the box body is provided with uniformly distributed carrier rollers which are arranged in pairs, and the inner sides of the two ends of the box body are respectively provided with a spring device; the lower part of the spring is connected with a rotary seat which is connected on the inner walls of the two ends of the box body in a sliding way; a supporting shaft penetrates through the steel tube roller; both ends of the supporting shaft are installed in the rotary seat.
It is further: the upper end of the excavating system is fixedly provided with a conveying bin for receiving the discharging of the excavating system, and a spraying system is arranged above the conveying bin; a discharge hole at the lower end of the conveying bin is connected with a screw conveyor; the material outlet of the screw conveyor is connected with a canvas material conveying pipe; a double-shaft mud stirring machine is fixed on one side of the chassis assembly, and the canvas conveying pipe is connected to the double-shaft mud stirring machine.
The guide arm luffing system comprises a guide arm box, one end of the guide arm box is hinged to the chassis assembly, and a pair of guide arm box luffing cylinders are hinged between the other end of the guide arm box and the chassis assembly; opposite guide vertical arms are fixed on two sides of the upper side of the guide arm box, and a guide through groove for placing an excavating system is formed between the two guide vertical arms; the inner side of the guide vertical arm is fixedly connected with a lower guide strip; a pressing block is fixed on the upper side of the guide vertical arm; an upper guide strip is fixedly connected to the inner side of the pressing block;
the excavating system comprises a long box-type steel structure shell, and the long box-type steel structure shell is slidably arranged between a lower guide bar and an upper guide bar; the two sides of the long box-type steel structure shell are provided with a row of top grooves which are equidistantly arranged;
the inner side of the guide vertical arm is provided with a mounting groove, and an excavating system lifting oil cylinder is arranged in the mounting groove; one end of the cylinder barrel of the lifting oil cylinder of the excavating system is hinged in the guide vertical arm, and a top block is fixed at the piston rod end of the lifting oil cylinder of the excavating system; an auxiliary oil cylinder is hinged between the lifting oil cylinder barrel of the excavating system and the guide vertical arm mounting groove; when the auxiliary oil cylinder stretches out and draws back, the lifting oil cylinder of the excavating system is driven to swing, and then the top block at the piston rod end of the lifting oil cylinder of the excavating system is controlled to be inserted into or pulled out of the top groove at one side of the long box-type steel structure shell.
The front end of the excavating system is fixedly provided with a single-arm crane for hoisting the vertical membrane curtain paving machine; the single-arm lifting machine comprises a single arm rotatably arranged at the front end of the excavating system; a control oil cylinder I is hinged between the single arm and the front end of the excavating system; the front end of the single arm is provided with a winding disc.
The excavating system comprises a long box-type steel structure shell; the front end of the long box-type steel structure shell is provided with a driving sprocket, the rear end of the long box-type steel structure shell is provided with a driven sprocket, and the driving sprocket and the driven sprocket are provided with a transmission chain; a bucket is arranged on the transmission chain; the front end of the long box-type steel structure shell is provided with a tensioning cylinder, the upper end of the tensioning cylinder is provided with a tensioning wheel, and the horizontal position of the tensioning wheel is higher than that of the driving sprocket and the driven sprocket; the transmission chain is wound on the tensioning cylinder.
The rear side of the tensioning wheel is provided with a conveying bin for receiving the discharging of the excavating system, and the conveying bin is fixed on the long box-type steel structure shell;
a mud baffle valve is arranged at the upper side of the rear end of the long box-type steel structure shell; the mud baffle valve comprises a baffle plate which is slidably arranged on the upper side surface of the rear end of the long box-type steel structure shell; a control oil cylinder II is arranged between the upper side surface of the baffle plate and the upper side surface of the long box-type steel structure shell;
the lower side of the front end of the long box-type steel structure shell is provided with a telescopic protection box; the telescopic protection box comprises a plurality of sections of telescopic U-shaped plates which are sequentially sleeved in a sliding mode, wherein the first section of telescopic U-shaped plate is fixed at the lower side position of the front end of the long box-type steel structure shell.
The inner side walls of the two ends of the box body are provided with vertical through grooves, and sliding rails are fixed on the inner sides of the through grooves; the rotary seat is positioned in the through groove of the box body, and the inner side of the rotary seat is in sliding connection with the sliding rail of the box body; the middle part of the rotary seat is provided with a rotary bearing, and the support shaft is inserted into the rotary bearing; the spring device is positioned in the box body through groove, and the inner side of the spring device is in sliding connection with the box body sliding rail; the upper end of the through groove of the box body is hinged with a cover plate, the cover plate is pressed at the upper end of the spring device, and a locking device is arranged between the cover plate and the box body.
Two ends in the box body are respectively provided with a conveying wheel, two conveying wheels are provided with a circulating conveying belt, and the front end of the box body is also provided with a cutting control motor connected with the conveying wheels at the front end; and a cutting blade is fixed on the circulating conveyer belt.
The spring device and the rotary seat at the inner side of the front end of the box body are replaced by a jacking device;
the jacking device comprises a jacking bolt penetrating through the front end panel of the box body, and the jacking bolt is in threaded connection with the box body; the inner end of the jacking bolt is connected with a push rod through a bearing I; the inner end of the ejector rod is conical, and the inner end of the ejector rod is sleeved into the steel tube roller and abuts against the end part of the supporting shaft.
Compared with the prior art, the invention has the beneficial effects that:
the excavation of the underground deep groove is completed through an excavation system;
digging an underground deep groove, and paving a plastic film in the deep groove through a vertical film curtain paving machine;
digging an underground deep groove, stirring the dug soil through a conveying bin, a screw conveyor, a canvas conveying pipe and a double-shaft mud stirring machine, and backfilling the dug soil into the underground deep groove;
the integral construction speed is high, the cost is low, the water seepage prevention effect is good, the engineering quality can be ensured, and the water seepage at the bottom of the dam foundation is stopped.
Drawings
FIG. 1 is a schematic view of the structure of the present invention (non-operative state);
FIG. 2 is a schematic view of the structure of the present invention (pre-excavation state);
FIG. 3 is a schematic view of the structure of the present invention (digging state);
FIG. 4 is a right side view of FIG. 1;
FIG. 5 is a front view of a drapery-type curtain coater according to the invention (without the steel tube drum installed);
FIG. 6 is a top view of a drapery-type curtain coater according to the invention (without the steel tube drum installed);
FIG. 7 is a front view of a drapery-type curtain machine of the present invention (with a steel tube drum installed);
FIG. 8 is a right side view of FIG. 7;
FIG. 9 is an enlarged view at A in FIG. 7;
FIG. 10 is an enlarged view at B in FIG. 7;
FIG. 11 is a front view of the excavation system of the present invention;
FIG. 12 is a top view of the excavation system of the present invention;
fig. 13 is an enlarged view at C in fig. 12;
FIG. 14 is a front view of the guide arm horn system of the present invention;
FIG. 15 is a top view of the guide arm horn system of the present invention;
FIG. 16 is a right side view of the guide arm horn system of this invention.
In the figure: 1. a chassis assembly; 2. a crawler travel system; 3. a guide arm box luffing cylinder; 4. a guide arm amplitude changing system; 5. a diesel tank; 6. a machine cabin; 7. an excavating system; 8. a telescopic protective box; 9. a single-arm crane; 10. a spraying system; 11. a conveying bin; 12. a screw conveyor; 13. lifting oil cylinders of the excavating system; 14. a vertical membrane curtain paving machine; 15. a mud-stopping valve; 16. canvas feeding pipe; 17. a double-shaft mud stirring machine; 18. a hydraulic pipe winch I and a hydraulic pipe winch II; 19. a hydraulic oil tank; 20. a water tank; 21. a jacking device;
4-1, a guide arm box; 4-2, guiding the vertical arm; 4-3, lower guide strips; 4-4, briquetting; 4-5, upper guide strips;
7-1, a long box-type steel structure shell; 7-2, a top groove; 7-3, a driving chain wheel; 7-4, driven sprocket; 7-5, a transmission chain; 7-6, a bucket; 7-7, tensioning an oil cylinder; 7-8, tensioning wheel;
9-1, single arm; 9-2, controlling an oil cylinder I; 9-3, a winch;
13-1, a top block; 13-2, auxiliary oil cylinders;
14-1, a box body; 14-2, carrier rollers; 14-3, a spring; 14-4, a rotary seat; 14-5, a steel tube roller; 14-6, a supporting shaft; 14-7, pressing plate; 14-8, cover plate; 14-9, a circulating conveyer belt; 14-10, cutting control motor; 14-11, cutting blades;
15-1, a baffle; 15-2, controlling an oil cylinder II;
21-1, a jack bolt; 21-2, bearing I; 21-3, ejector rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Example 1
As shown in figures 1 to 4 of the drawings,
the utility model provides a continuous membrane wall building machine hangs down in underground, includes chassis assembly 1, installs crawler travel system 2 under the chassis assembly 1, installs excavation system 7 through guide arm luffing system 4 on the chassis assembly 1. The chassis assembly 1 is also provided with a diesel tank 5, a water tank 20, a machine cabin 6, a hydraulic oil tank for providing oil source for a hydraulic system, a hydraulic pipe winch I and a hydraulic pipe winch II 18 for a storage pipeline. The chassis assembly 1 is provided with two sets of winches (a liquid pipe winch and a water pipe winch on the right side) at the front two sides of the engine, and an electric view winch and an electric wire winch on the left side. The foregoing is the prior art, and this embodiment is not described in detail.
In combination with fig. 5 to 7, and as shown in fig. 9,
the improvement of the embodiment is that:
a vertical membrane curtain paving machine 14 is detachably arranged on the upper side of the excavating system 7;
the vertical membrane curtain paving machine 14 comprises an elongated box body 14-1 with an open upper side, and a pressing plate 14-7 is hinged to the upper side of the box body 14-1. A spring lever is connected between the upper side of the pressure plate 14-7 and the case 14-1, and applies a downward closing force to the pressure plate 14-7. The cross-sectional width of the press plate 14-7 is smaller than the opening of the case 14-1 so that the press plate 14-7 presses against the steel tube drum 14-5 under the pressure of the spring rod. The bottom plate in the box body 14-1 is provided with uniformly distributed supporting rollers 14-2 which are arranged in pairs, the steel tube roller 14-5 is placed on the supporting rollers 14-2, the supporting shaft 14-6 is penetrated in the steel tube roller 14-5, and the rolling of the steel tube roller 14-5 is facilitated under the support of the supporting rollers 14-2. The inner sides of the two ends of the box body 14-1 are respectively provided with an ejector 14-3 and a rotary seat 14-4. The inner side walls at two ends of the box body 14-1 are provided with vertical through grooves, sliding rails are fixed at the inner sides of the through grooves, the rotary seat 14-4 is positioned in the through grooves of the box body 14-1, and the inner sides of the rotary seat 14-4 are in sliding connection with the sliding rails of the box body 14-1. The middle part of the rotary seat 14-4 is provided with a rotary bearing, and when in use, the end part of the support shaft 14-6 is inserted into the rotary bearing. The spring 14-3 is located in the through groove of the box 14-1, the spring 14-3 comprises an upper square plate, a lower square plate, a telescopic sleeve connected between the upper square plate and the lower square plate, and a spring sleeved outside the telescopic sleeve. The inner side of the square plate in the spring 14-3 is in sliding connection with the sliding rail of the box 14-1, the square plate at the lower side is pressed on the rotary seat 14-4, the steel tube roller 14-5 is pressed on the carrier roller 14-2 through the elasticity of the spring 14-3, the stability of the position of the steel tube roller 14-5 is ensured, and the rolling of the steel tube roller 14-5 is facilitated. The upper end of the through groove of the box body 14-1 is hinged with a cover plate 14-8, the cover plate 14-8 is pressed on the upper end of the spring 14-3, and a locking device is arranged between the cover plate 14-8 and the box body 14-1. The locking means may be bolts or pins, limiting upward displacement of the striker 14-3 by the cover plate 14-8.
When the excavation system 7 excavates the deep groove, the film (hanging film, curtain) on the steel pipe roller 14-5 is pulled out through the gap between the pressing plate 14-7 and the opening of the box 14-1, so that the film is fixed in the deep groove. In the continuous grooving process of the excavation system 7, the film is pressed by the backfilled soil, and the steel pipe roller 14-5 is pulled and continuously rolls to finish the laying of the film.
To ensure that the drapery machine 14 is synchronized with the host machine travel speed, a synchronizer may be mounted at one end of the support shaft 14-6. When the steel tube roller 14-5 works, the synchronizer 14-6 controls the speed of spreading the hanging film and the curtain to be the same as the running speed of the main vehicle.
As shown in connection with figure 1 and figure 4,
a single-arm lifting machine 9 for lifting the vertical membrane curtain paving machine 14 is fixed at the front end of the excavating system 7;
the single-arm crane 9 comprises a single arm 9-1 rotatably mounted at the front end of the excavating system 7; a control oil cylinder I9-2 is hinged between the single arm 9-1 and the front end of the excavating system 7. The front end of the single arm 9-1 is provided with a winding disc 9-3. The steel wire rope and the lifting hook are arranged on the winding disc 9-3 and used for hoisting the vertical film curtain paving machine 14, and the single arm 9-1 is rotated by controlling the oil cylinder I9-2 to adjust the position of the vertical film curtain paving machine 14. After the drapery machine 14 is moved into place, it is bolted to the excavation system 7.
As shown in connection with figures 1 to 3,
a backfill system is also arranged on the underground continuous water-retaining wall forming machine;
the upper end of the excavating system 7 is fixedly provided with a conveying bin 11 for receiving the discharging material of the excavating system 7, and soil excavated by the excavating system 7 falls into the conveying bin 11. A spraying system 10 can be arranged above the conveying bin 11, and the spraying system 10 sprays water to the conveying bin 11, so that flying dust can be reduced. A discharge hole at the lower end of the conveying bin 11 is connected with a screw conveyor 12; a canvas feeding pipe 16 is connected with a discharge port of the screw conveyor 12; a double-shaft mud stirring machine 17 is fixed on one side of the chassis assembly 1, and a canvas feeding pipe 16 is connected to the double-shaft mud stirring machine 17. The screw conveyor 12 conveys the soil in the conveying bin 11 to the double-shaft mud stirrer 17 through the canvas conveying pipe 16, and the double-shaft mud stirrer 17 directly fills the just-dug deep groove of the digging system 7 after stirring the soil. Thus, the membrane and the stirred soil form a blocking underground water-proof wall, the membrane has good waterproof effect, long service life and lower cost. When the underground soil conveyed by the canvas conveying pipe does not need backfilling, the outlet of the canvas conveying pipe can be moved to the ground for on-site treatment; when the double-shaft mud stirring machine is not used, a commercial concrete wall building process can be adopted. And (3) transporting the commercial concrete to a construction site according to engineering design requirements, and directly pouring the commercial concrete into the excavated underground deep groove to form a wall.
Example two
As shown in fig. 5 to 8, and fig. 10,
the difference between the second embodiment and the first embodiment is that:
the spring 14-3 and the rotary seat 14-4 inside the front end of the box 14-1 are replaced by a jacking device 21;
the jacking device 21 comprises a jacking bolt 21-1 penetrating through the front end panel of the box body 14-1, and the jacking bolt 21-1 is in threaded connection with the box body 14-1; the jack bolts 21-1 may be threaded into or out of the housing 14-1 a distance. The inner end of the jacking bolt 21-1 is connected with a jacking rod 21-3 through a bearing I21-2. The inner end of the ejector rod 21-3 is conical, and the inner end of the ejector rod 21-3 is sleeved into the steel tube roller 14-5 and abuts against the end part of the supporting shaft 14-6. The push rod 21-3 can rotate and simultaneously can also control displacement by the push bolt 21-1 to complete the pushing of the steel tube roller 14-5 and the support shaft 14-6, and does not prevent the rotation of the steel tube roller 14-5 and the support shaft 14-6.
In order to facilitate automatic cutting of the hanging film and curtain material on the steel pipe roller 14-5 at the end of construction, a cutting device is provided in the box 14-1. Specific: two ends in the box body 14-1 are respectively provided with a conveying wheel, two conveying wheels are provided with a circulating conveying belt 14-9, and the front end of the box body 14-1 is also provided with a cutting control motor 14-10 connected with the conveying wheels at the front end; one or more cutting blades 14-11 are fixed to the endless conveyor 14-9. The cutting blades 14-11 cut the unused drapery material vertically.
When the steel pipe roller 14-5 normally rolls and lays the film, the cutting blade 14-11 is positioned at one end without contact with the film. When the construction is finished, the cutting control motor 14-10 rotates to drive the circulating conveyor belt 14-9 to circularly run, at the moment, the cutting blade 14-11 moves to the other end along with the circulating conveyor belt 14-9, and the cutting blade 14-11 contacts with the film in the running process, so that the whole strip of the vertical film and curtain material is cut off vertically.
Example III
As shown in figures 11 to 13 of the drawings,
based on the first embodiment:
the excavating system 7 comprises a long box-type steel structure shell 7-1, and the rear side of the long box-type steel structure shell 7-1 is open; the front end of the long box-shaped steel structure shell 7-1 is provided with a driving chain wheel 7-3, the rear end of the long box-shaped steel structure shell 7-1 is provided with a driven chain wheel 7-4, and the driving chain wheel 7-3 and the driven chain wheel 7-4 are provided with a driving chain 7-5; the excavator bucket 7-6 is arranged on the transmission chain 7-5, the driving chain wheel 7-3 is connected with a motor, and the transmission chain 7-5 circularly runs under the drive of the driving chain wheel 7-3 and completes the excavation of the underground deep groove through the excavator bucket 7-6. The front end of the long box-type steel structure shell 7-1 is provided with a tensioning cylinder 7-7, the tensioning cylinder 7-7 is vertical to the long box-type steel structure shell 7-1, the upper end of the tensioning cylinder 7-7 is provided with a tensioning wheel 7-8, and the horizontal position of the tensioning wheel 7-8 is higher than that of the driving chain wheel 7-3 and the driven chain wheel 7-4; the transmission chain 7-5 is wound on the tensioning cylinder 7-7. Tensioning of the transmission chain 7-5 is completed through stretching of the tensioning oil cylinder 7-7, and normal operation of the transmission chain 7-5 is guaranteed.
The conveying bin 11 is fixed on the long box-type steel structural shell 7-1 and is positioned at the rear side of the tensioning wheel 7-8, and when the bucket 7-6 approximately runs to the position of the tensioning wheel 7-8, the turned bucket 7-6 pours the soil dug by the bucket into the conveying bin 11.
A mud stop valve 15 is arranged at the upper side of the rear end of the long box-type steel structural shell 7-1. The mud valve 15 comprises a baffle 15-1 which is slidably arranged on the upper side surface of the rear end of the long box-type steel structure shell 7-1, and a control oil cylinder II 15-2 is arranged between the upper side surface of the baffle 15-1 and the upper side surface of the long box-type steel structure shell 7-1. The position of the baffle plate 15-1 is controlled by controlling the extension and retraction of the oil cylinder II 15-2, and when in construction, the baffle plate 15-1 extends out to separate the inside of the excavating system 7 from a deep groove just excavated outside, so that backfilled soil is prevented from entering the inside of the excavating system 7.
The lower side of the front end of the long box-shaped steel structural shell 7-1 is provided with a telescopic protective box 8. The telescopic protection box 8 comprises a plurality of sections of telescopic U-shaped plates which are sequentially sleeved in a sliding mode, wherein the first section of telescopic U-shaped plate is fixed at the lower side position of the front end of the long box-type steel structure shell 7-1. During construction, the telescopic protective box 8 can seal the rear side of the long box-type steel structural shell 7-1 to prevent the excavated soil from scattering.
Example IV
As shown in figures 14 to 16 of the drawings,
based on the third embodiment:
the guide arm luffing system 4 comprises a guide arm box 4-1, one end of the guide arm box 4-1 is hinged to the chassis assembly 1, a pair of guide arm box luffing cylinders 3 are hinged between the other end of the guide arm box 4-1 and the chassis assembly 1, and the dip angle adjustment of the chassis assembly 1 is realized through the guide arm box luffing cylinders 3. Opposite guide vertical arms 4-2 are fixed on two sides of the upper side of the guide arm box 4-1, and a guide through groove for placing the excavating system 7 is formed between the two guide vertical arms 4-2; the inner side of the guide vertical arm 4-2 is fixedly connected with a lower guide strip 4-3; a pressing block 4-4 is fixed on the upper side of the guide vertical arm 4-2; the inner side of the pressing block 4-4 is fixedly connected with an upper guide strip 4-5. When the excavator is used, the long box-type steel structure shell 7-1 of the excavator system 7 is placed in the guide through groove and is slidably mounted on the lower guide strips 4-3 with two opposite sides, then the pressing block 4-4 is fixed on the guide vertical arm 4-2, and the upper guide strip 4-5 on the pressing block 4-4 is slidably connected with the upper side face of the long box-type steel structure shell 7-1 of the excavator system 7.
The inner side of the guide vertical arm 4-2 is provided with a mounting groove, and the mounting groove is provided with an excavating system lifting cylinder 13. One end of a cylinder barrel of the lifting cylinder 13 of the excavating system is hinged in the guide vertical arm 4-2, and a top block 13-1 is fixed at the piston rod end of the lifting cylinder 13 of the excavating system. An induction camera can be arranged on the side edge of the top block 13-1; the induction camera is used for positioning and monitoring the top block 13-1 and is used for reminding an operator of judging that the top block 13-1 is not deviated when in operation. An auxiliary oil cylinder 13-2 is hinged between a cylinder barrel of the lifting oil cylinder 13 of the excavating system and a mounting groove of the guide vertical arm 4-2. The two sides of the long box-type steel structure shell 7-1 are provided with a row of top grooves 7-2 which are equidistantly arranged. When the device works, the auxiliary oil cylinder 13-2 stretches and contracts to drive the lifting oil cylinder 13 of the excavating system to swing, so that the top block 13-1 of the piston rod end of the lifting oil cylinder 13 of the excavating system is controlled to be inserted into or pulled out of the top groove 7-2 on one side of the long box-type steel structure shell 7-1; then, the lifting oil cylinder 13 of the excavating system stretches to drive the excavating system 7 to move up or down along the guide arm box 4-1; according to the method, the lifting cylinders 13 and the auxiliary cylinders 13-2 of the excavating system on the two sides alternately run to finish the retraction of the excavating system 7.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The underground continuous film hanging wall building machine comprises a chassis assembly (1), wherein the chassis assembly (1) is provided with a crawler traveling system (2), and the chassis assembly (1) is provided with an excavating system (7) through a guide arm amplitude changing system (4);
the method is characterized in that:
a vertical film curtain laying machine (14) is detachably arranged on the upper side of the excavating system (7), and a steel pipe roller (14-5) is arranged in the vertical film curtain laying machine (14);
the vertical film curtain paving machine (14) comprises a long box body (14-1) with an open upper side, and a pressing plate (14-7) is hinged to the upper side of the box body (14-1); the inner bottom plate of the box body (14-1) is provided with uniformly distributed supporting rollers (14-2) which are arranged in pairs, and the inner sides of the two ends of the box body (14-1) are respectively provided with a spring device (14-3); the lower part of the spring device (14-3) is connected with a rotary seat (14-4), and the rotary seat (14-4) is connected on the inner walls of the two ends of the box body (14-1) in a sliding manner; a supporting shaft (14-6) penetrates through the steel tube roller (14-5); both ends of the supporting shaft (14-6) are arranged in the rotary seat (14-4);
the guide arm luffing system (4) comprises a guide arm box (4-1), one end of the guide arm box (4-1) is hinged on the chassis assembly (1), and a pair of guide arm box luffing cylinders (3) are hinged between the other end of the guide arm box (4-1) and the chassis assembly (1); opposite guide vertical arms (4-2) are fixed on two sides of the upper side of the guide arm box (4-1), and a guide through groove for placing an excavating system (7) is formed between the two guide vertical arms (4-2); the inner side of the guide vertical arm (4-2) is fixedly connected with a lower guide strip (4-3); a pressing block (4-4) is fixed on the upper side of the guide vertical arm (4-2); an upper guide strip (4-5) is fixedly connected to the inner side of the pressing block (4-4);
the excavating system (7) comprises a long box-shaped steel structure shell (7-1), and the long box-shaped steel structure shell (7-1) is slidably arranged between the lower guide strip (4-3) and the upper guide strip (4-5); the two sides of the long box-type steel structure shell (7-1) are provided with a row of top grooves (7-2) which are equidistantly arranged;
the inner side of the guide vertical arm (4-2) is provided with a mounting groove, and the mounting groove is internally provided with an excavating system lifting oil cylinder (13); one end of a cylinder barrel of the lifting cylinder (13) of the excavating system is hinged in the guide vertical arm (4-2), and a top block (13-1) is fixed at the piston rod end of the lifting cylinder (13) of the excavating system; an auxiliary oil cylinder (13-2) is hinged between a cylinder barrel of the lifting oil cylinder (13) of the excavating system and a mounting groove of the guide vertical arm (4-2); when the auxiliary oil cylinder (13-2) stretches, the lifting oil cylinder (13) of the excavating system is driven to swing, so that a top block (13-1) at the piston rod end of the lifting oil cylinder (13) of the excavating system is controlled to be inserted into or pulled out of a top groove (7-2) at one side of the long box-type steel structure shell (7-1);
the excavating system (7) comprises a long box-type steel structure shell (7-1); the front end of the long box-type steel structure shell (7-1) is provided with a driving sprocket (7-3), the rear end of the long box-type steel structure shell (7-1) is provided with a driven sprocket (7-4), and the driving sprocket (7-3) and the driven sprocket (7-4) are provided with a transmission chain (7-5); the transmission chain (7-5) is provided with a bucket (7-6); the front end of the long box-type steel structure shell (7-1) is provided with a tensioning oil cylinder (7-7), the upper end of the tensioning oil cylinder (7-7) is provided with a tensioning wheel (7-8), and the horizontal position of the tensioning wheel (7-8) is higher than that of the driving chain wheel (7-3) and the driven chain wheel (7-4); the transmission chain (7-5) is wound on the tensioning cylinder (7-7);
the upper end of the excavating system (7) is fixedly provided with a conveying bin (11) for receiving the discharging of the excavating system (7), and a spraying system (10) is arranged above the conveying bin (11); a discharge hole at the lower end of the conveying bin (11) is connected with a screw conveyor (12); a canvas feeding pipe (16) is connected to the discharge port of the screw conveyor (12); a double-shaft mud stirring machine (17) is fixed on one side of the chassis assembly (1), and the canvas conveying pipe (16) is connected to the double-shaft mud stirring machine (17);
the inner side walls at two ends of the box body (14-1) are provided with vertical through grooves, and sliding rails are fixed at the inner sides of the through grooves; the rotary seat (14-4) is positioned in the through groove of the box body (14-1), and the inner side of the rotary seat (14-4) is in sliding connection with the sliding rail of the box body (14-1); the middle part of the rotary seat (14-4) is provided with a rotary bearing, and the support shaft (14-6) is inserted into the rotary bearing; the spring device (14-3) is positioned in the through groove of the box body (14-1), and the inner side of the spring device (14-3) is in sliding connection with the sliding rail of the box body (14-1); the upper end of the through groove of the box body (14-1) is hinged with a cover plate (14-8), the cover plate (14-8) is pressed on the upper end of the spring device (14-3), and a locking device is arranged between the cover plate (14-8) and the box body (14-1);
two ends in the box body (14-1) are respectively provided with a conveying wheel, two conveying wheels are provided with a circulating conveying belt (14-9), and the front end of the box body (14-1) is also provided with a cutting control motor (14-10) connected with the conveying wheels at the front end; the circular conveyer belt (14-9) is fixedly provided with a cutting blade (14-11).
2. The underground continuous wall-hanging machine according to claim 1, wherein: the front end of the excavating system (7) is fixedly provided with a single-arm crane (9) for hoisting a vertical membrane curtain paving machine (14); the single-arm crane (9) comprises a single arm (9-1) rotatably arranged at the front end of the excavating system (7); a control oil cylinder I (9-2) is hinged between the single arm (9-1) and the front end of the excavating system (7); a winch disc (9-3) is arranged at the front end of the single arm (9-1).
3. The underground continuous wall-hanging machine according to claim 1, wherein: the rear side of the tensioning wheel (7-8) is provided with a conveying bin (11) for receiving the discharging of the excavating system (7), and the conveying bin (11) is fixed on the long box-type steel structure shell (7-1);
a mud blocking valve (15) is arranged at the upper side of the rear end of the long box-type steel structure shell (7-1); the mud baffle valve (15) comprises a baffle plate (15-1) which is slidably arranged on the upper side surface of the rear end of the long box-type steel structure shell (7-1); a control oil cylinder II (15-2) is arranged between the upper side surface of the baffle plate (15-1) and the upper side surface of the long box-type steel structure shell (7-1);
the lower side of the front end of the long box-shaped steel structure shell (7-1) is provided with a telescopic protective box (8); the telescopic protection box (8) comprises a plurality of sections of telescopic U-shaped plates which are sequentially sleeved in a sliding mode, wherein the first section of telescopic U-shaped plate is fixed at the lower side position of the front end of the long box-type steel structure shell (7-1).
4. The underground continuous wall-hanging machine according to claim 1, wherein: the ejector (14-3) and the rotary seat (14-4) at the inner side of the front end of the box body (14-1) are replaced by a jacking device (21);
the jacking device (21) comprises a jacking bolt (21-1) penetrating through the front end panel of the box body (14-1), and the jacking bolt (21-1) is in threaded connection with the box body (14-1); the inner end of the jacking bolt (21-1) is connected with a push rod (21-3) through a bearing I (21-2); the inner end of the ejector rod (21-3) is conical, and the inner end of the ejector rod (21-3) is sleeved into the steel tube roller (14-5) and abuts against the end part of the supporting shaft (14-6).
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| CN112554166A (en) * | 2020-12-03 | 2021-03-26 | 天津大学 | Deep-layer stirring composite wall based on HDPE (high-density polyethylene) membrane and construction method |
| CN113374006A (en) * | 2021-06-09 | 2021-09-10 | 同济大学 | Underground sneak sawing type curtain vertical laying seepage-isolating device |
| CN114182748B (en) * | 2021-11-30 | 2023-08-15 | 中煤科工集团西安研究院有限公司 | Device and method for constructing jointless continuous in-situ impervious wall |
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