CN111236978A - Concrete sprays all-in-one - Google Patents
Concrete sprays all-in-one Download PDFInfo
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- CN111236978A CN111236978A CN202010168351.9A CN202010168351A CN111236978A CN 111236978 A CN111236978 A CN 111236978A CN 202010168351 A CN202010168351 A CN 202010168351A CN 111236978 A CN111236978 A CN 111236978A
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- 239000004567 concrete Substances 0.000 title claims abstract description 68
- 239000007921 spray Substances 0.000 title description 3
- 230000007246 mechanism Effects 0.000 claims abstract description 86
- 238000007789 sealing Methods 0.000 claims abstract description 74
- 238000005507 spraying Methods 0.000 claims abstract description 47
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 69
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 239000004568 cement Substances 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 7
- 239000004576 sand Substances 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000035553 feeding performance Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 239000011378 shotcrete Substances 0.000 description 4
- 238000005086 pumping Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
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- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Reciprocating Pumps (AREA)
Abstract
The invention provides a concrete spraying integrated machine, which relates to the technical field of concrete spraying equipment and comprises a travelling mechanism, a spraying machine, a feeding machine and a hydraulic system, wherein the travelling mechanism comprises a travelling crawler and a chassis, the spraying machine comprises a lower rotor mechanism and a cylinder mechanism, the feeding machine comprises a feeding rack, a cement spiral, a sand spiral and a main spiral, the hydraulic system comprises a motor, a hydraulic pump and a hydraulic valve, the spraying machine is arranged at the front end of the chassis, an upper fixing frame and a lower fixing frame are also arranged on the chassis, and the feeding machine and the fixing frames are mutually matched and arranged; the cylinder mechanism is arranged up and down, the sealing piston and the pushing piston are separated, and the service life of the piston is prolonged. The integrated machine integrally realizes walking, concrete proportioning, stirring, feeding and guniting, and the feeding structure gives consideration to walking and feeding performances; in addition, the all-in-one machine also has the advantages of good sealing performance, small abrasion of a sealing piston, long spraying distance, low dust, long service life and the like.
Description
Technical Field
The invention relates to the technical field of concrete guniting equipment, in particular to a concrete spraying all-in-one machine capable of walking, concrete proportioning, stirring, feeding and guniting.
Background
The concrete sprayer can not be opened in the coal mine tunnel construction and road and railway tunnel construction processes, and the common concrete sprayers at present mainly have the forms of a rotor type, a push chain type, a pumping type and the like, wherein the pumping type concrete sprayer can only be used for wet spraying, the equipment volume is large, the cleaning and maintenance are complex, and the application is less and less; rotor formula, push away dry spray such as chain, wet equipment exist the dust big, and transport distance is near, the fast scheduling problem of sealing member wearing and tearing to the patching machine needs corresponding concrete mixer, material loading machine of ratio, perhaps needs the manual stirring material loading, and intensity of labour is great. Therefore, it is necessary to provide a concrete sprayer with small volume, small dust amount and long conveying distance and a concrete sprayer unit integrating equipment walking, concrete proportioning, stirring, feeding and guniting into a whole.
In addition, the existing concrete spraying equipment has the problems that the walking spraying machine is inconvenient to feed, a sealing piston is easy to wear, dust is easy to generate and the like, so that the existing concrete spraying equipment needs to be further improved.
Disclosure of Invention
The invention provides a concrete spraying all-in-one machine, which aims to solve the technical problems that a sealing piston is easy to wear and dust is easy to generate in the concrete spraying process and provide a concrete sprayer integrating walking, concrete proportioning, stirring, feeding and guniting.
A concrete spraying all-in-one machine comprises a travelling mechanism, a spraying machine, a feeding machine and a hydraulic system, wherein the travelling mechanism comprises a travelling crawler and a chassis, and the travelling mechanism drives the all-in-one machine to move integrally; the spraying machine is arranged on the chassis between the walking tracks and comprises a rotor mechanism, a lower cylinder mechanism, an upper cylinder mechanism, a rotary valve mechanism and a hopper; lifting hydraulic cylinders are respectively arranged on two sides of the feeding machine to drive the feeding machine to slide up and down, and the feeding machine completes concrete proportioning and stirring feeding; the hydraulic system comprises a motor, a hydraulic pump and a hydraulic valve, and realizes hydraulic drive; the hopper of the pulp shooting machine is fixedly connected above the upper cylinder mechanism, the lower cylinder mechanism is fixedly connected below the upper cylinder mechanism, and the rotor mechanism is fixedly arranged below the lower box body of the lower cylinder mechanism; the upper cylinder mechanism and the lower cylinder mechanism only act on one of the pistons during working, and at least one sealing piston is positioned at a sealing position; the feeding machine is used for stirring and feeding through the main spiral.
Preferably, the chassis is provided with an oil tank, an upper guide seat and a lower guide seat, and the oil tank is fixed on one side of the chassis; the upper guide seat comprises a first upper guide seat and a second upper guide seat, the first upper guide seat is fixedly arranged on the chassis, the second upper guide seat is fixedly arranged on the oil tank, and the upper ends of the first upper guide seat and the second upper guide seat are parallel and level; the lower guide seat is arranged on the chassis opposite to the upper guide seat, two rollers are arranged on the lower guide seat, and the rollers are arranged and fixed on the lower guide seat in a V-shaped manner.
Preferably, the rotor mechanism of the patching machine comprises a rotor shell, a rotor, a conical distributor, an air inlet, a discharge port, shell supporting legs and a driving mechanism, the driving mechanism comprises a driving motor, a gear box and a motor seat, the rotor shell is fixed above the gear box through the shell supporting legs, the rotor is arranged in the rotor shell and is connected with an output shaft of the gear box, and the conical distributor is arranged above the rotor; a sealing seat is further arranged between the rotor shell and the output shaft of the gear box, a 0-shaped sealing ring is arranged in the sealing seat, a discharge port is arranged at the bottom of the rotor shell, and an air inlet is further formed above the rotor shell on the same side as the discharge port; the input end of the gear box is fixedly arranged on the motor seat, and the motor output shaft and the gear box input shaft are sleeved through a spline.
Preferably, the rotor is annular as a whole, a plurality of partition plates are uniformly arranged along the annular, a plurality of material cavities are formed among the partition plates, and the lower side of each material cavity is opened; the through hole in the middle of the rotor is a mounting hole, and the mounting hole is matched with the output shaft of the gear box.
Preferably, the lower cylinder mechanism comprises a lower hydraulic cylinder, a lower box body, a lower cylinder, a lower sealing piston, a lower pushing piston, a material collecting box and an exhaust device, the lower box body is fixedly connected with the rotor shell, the lower hydraulic cylinder is installed on one side of the lower box body, and the lower cylinder, the material collecting box and the exhaust device are sequentially installed on the other side of the lower box body; the front end of a lower piston rod of the lower hydraulic cylinder is provided with a lower sealing piston, the front end of the lower piston rod is also connected with a lower connecting shaft, and the front end of the lower connecting shaft is fixedly provided with a lower pushing piston; and the end part of the lower pushing piston is also provided with an exhaust rod along the axis.
Further preferably, the exhaust device comprises an exhaust rod, an exhaust flange, an exhaust seat, an exhaust pipe, an exhaust piston, a spring pressing sheet, a large nut and a tensioning hand wheel; the exhaust flange is fixed on the side surface of the material collecting box opposite to the lower cylinder, and the exhaust seat is arranged on the exhaust flange; the exhaust pipe penetrates through the exhaust flange and is fixed, a plurality of inner exhaust holes are symmetrically formed in the pipe wall of the exhaust pipe, and an external thread is further formed at one end of the exhaust pipe; an inner shaft shoulder is further arranged inside the exhaust pipe and matched with the exhaust piston, a spring is arranged on the opposite side of the exhaust piston and the inner shaft shoulder, and a spring pressing sheet is arranged between the spring and the large nut; the big nut is provided with internal threads and is installed in a matched mode with the internal threads of the exhaust pipe, and the middle of the big nut is further provided with a tensioning hand wheel.
Preferably, the upper cylinder mechanism comprises an upper hydraulic cylinder, an upper box body, an upper cylinder barrel, an upper sealing piston, an upper pushing piston and a rotary valve structure, the upper box body and the lower cylinder barrel are fixedly connected through a mounting flange, the upper hydraulic cylinder is arranged on one side of the upper box body, and the upper cylinder barrel and the rotary valve structure are sequentially mounted on the other side of the upper box body; the front end of an upper piston rod of the upper hydraulic cylinder is provided with an upper sealing piston, the front end of the upper piston rod is also connected with an upper connecting shaft, and the front end of the upper connecting shaft is fixedly provided with an upper pushing piston; the upper part of the upper cylinder barrel is fixedly connected with the hopper through a connecting flange.
Preferably, the rotary valve structure comprises a rotary valve hydraulic cylinder, a rotary valve body, a rotary valve connecting rod, a rotary valve crank and a rotary valve seat, wherein the rotary valve seat is fixedly arranged on the upper cylinder barrel and is arranged opposite to the upper box body; the rotary valve body realizes the opening and closing of a channel between the upper cylinder barrel and the hopper in the rotating process.
Still further preferably, when the concrete spraying all-in-one machine works, the lower hydraulic cylinder pushes the lower sealing piston to move towards one side of the lower cylinder barrel, the lower sealing piston moves to a position between the lower cylinder barrel and the lower box body in a sealing manner, meanwhile, the exhaust rod on the lower feeding piston is pushed down to open the exhaust piston, and the exhaust device is opened; and then the lower hydraulic cylinder drives the lower material pushing piston to move reversely, so that the materials are pushed to the lower box body, meanwhile, the exhaust rod is far away from the exhaust piston, and the exhaust device is closed.
Still further preferably, when the concrete spraying all-in-one machine works, at least one sealing piston of the upper sealing piston and the lower sealing piston is in a sealing position.
The beneficial effects of the invention include:
(1) the invention provides a concrete spraying all-in-one machine, wherein a walking mechanism of the concrete spraying all-in-one machine can realize a walking function, a material loading machine of the concrete spraying all-in-one machine can realize a concrete proportioning function, concrete is directly stirred and loaded, and a shotcrete machine realizes the spraying of the concrete; the reasonable and flexible configuration among all parts of the all-in-one machine realizes walking, concrete proportioning, stirring, feeding and guniting together, and has the advantages of comprehensive functions, convenience in use, flexibility in movement and the like.
(2) The integrated machine ensures that one sealing piston is in a sealing state through the matching of the upper cylinder mechanism and the lower cylinder mechanism, thereby ensuring the whole sealing of the equipment, preventing dust from escaping and ensuring the sealing performance to improve the conveying distance; in addition, the structure of the injection machine also shortens the contact distance between the piston and the cylinder barrel and between the piston and the material, thereby reducing the sealing of the piston and prolonging the service life of the piston; the rotary valve is further arranged, the rotary valve can control the amount of concrete supplied by the hopper, and the phenomenon that the concrete in the hopper directly flows downwards to cause friction between the piston and materials when the piston moves can be avoided.
(3) When the integrated machine works in a guniting mode, pistons of the upper cylinder mechanism and the lower cylinder mechanism do not work at the same time, when the upper piston moves, the lower piston is sealed, and when the lower piston acts, the upper piston is sealed, so that at least one piston is in a sealed state and the sealing effect of the rotary valve is matched; the lower rotor part can distribute the materials falling from the upper cylinder part and the lower cylinder part into each material cavity of the rotor, so that the continuity of concrete conveying and guniting is realized, and guniting pulses are reduced.
In addition, the all-in-one machine also has strong control capability of a hydraulic system and is safe to use; the feeding machine slides up and down, so that the feeding is convenient, and the walking capability is strong; the spraying distance of the sprayer is long, the generated dust is less, and the service life is long.
Drawings
FIG. 1 is a schematic diagram of a concrete spraying all-in-one machine;
FIG. 2 is another schematic view of a concrete spraying all-in-one machine structure;
FIG. 3 is a schematic view of the structure of the traveling mechanism;
FIG. 4 is a schematic structural view of the feeder;
FIG. 5 is a schematic view of the eductor structure;
FIG. 6 is a schematic sectional view of the rotor mechanism;
FIG. 7 is a schematic structural view of a rotor housing;
FIG. 8 is a schematic view of the air intake device;
FIG. 9 is a schematic view of the structure of the rotor;
FIG. 10 is a partial internal structural view of the lower cylinder mechanism;
FIG. 11 is a schematic sectional view of the lower cylinder mechanism;
FIG. 12 is a schematic cross-sectional view of an exhaust apparatus;
FIG. 13 is a schematic view of the outer tube structure of the exhaust pipe;
FIG. 14 is a schematic sectional view of the upper cylinder mechanism;
FIG. 15 is a schematic view showing an open state of a rotary valve of the upper cylinder mechanism;
FIG. 16 is a schematic view of the upper cylinder mechanism in a rotary valve closed state;
FIG. 17 is a schematic view of a rotary valve construction;
FIG. 18 is a schematic view of a rotary valve seat structure;
FIG. 19 is a schematic view of a rotary valve body construction;
FIG. 20 is a schematic view of the lower guide seat structure;
in the figure: 1, a traveling mechanism; 2, spraying a slurry machine; 3, feeding a machine; 4, a hydraulic system;
101 a walking crawler belt; 102 a chassis; 103 a first upper guide seat; 104 a second upper guide seat; 105 an oil tank; 106 lower guide seat;
201 a rotor mechanism; 202 lower cylinder mechanism; 203, an upper cylinder barrel mechanism; 204, a hopper;
201-1 gearbox; 201-2 motor base; 201-3 drive motor; 201-4 shell legs; 201-5 conical material distributor; 201-6 air inlet, 201-7 rotor, 201-8 rotor shell, 201-9 sealing seat and 201-10 discharge port; 201-11 air inlet mounting seats; 201-12 mounting plates; outlets 201-13; 201-14 material cavities;
202-1, a hydraulic cylinder; 202-2, setting an oil cylinder seat; 202-3 lower sealing piston; 202-4, a lower box body; 202-5, pushing the material piston down; 202-6 air exhaust rods; 202-7 lower cylinder barrel; 202-8 material collecting box; 202-9 exhaust mechanism; 202-10 lower connecting shaft; 202-11 exhaust pipes; 202-12 exhaust seats; 202-13 spring; 202-14 spring preforms; 202-15 tensioning hand wheel; 202-16 large nuts; 202-17 exhaust pistons; 202-18 exhaust flange; 202-19 inner exhaust holes;
203-1, a hydraulic cylinder; 203-2, applying a cylinder seat; 203-3, loading the box body; 203-4, mounting a cylinder barrel; 203-5, sealing the piston; 203-6, pushing a material piston; 203-7 turn valve parts; 203-8 upper connecting shaft; 203-9 rotary valve body;
203-10 rotating valve connecting rods; 203-11 rotary valve hydraulic cylinders; 203-12 rotary valve seats; 203-13 turns the valve crank; 203-14 rotating valve bodies;
301 cement screw; 302 sand spiral; 303 a main helix; 304 lifting hydraulic cylinders; 305 engage the gears.
Detailed Description
Referring to fig. 1 to 20, a concrete spraying all-in-one machine according to an embodiment of the present invention is as follows.
A concrete spraying all-in-one machine structurally comprises a travelling mechanism 1, a shotcrete machine 2, a feeding machine 3 and a hydraulic system 4, wherein the travelling mechanism can realize the travelling function, the feeding machine can realize the concrete proportioning function, concrete can be directly stirred and fed, and the shotcrete machine realizes the remote spraying of the concrete; the reasonable and flexible configuration among all parts of the all-in-one machine realizes the functions of walking, concrete proportioning, stirring, feeding and guniting. The walking mechanism 1 comprises a walking crawler belt 101 and a chassis 102, and the walking mechanism drives the integrated machine to move integrally; the patching machine is arranged on the chassis between the walking tracks and comprises a rotor mechanism 201, a lower cylinder mechanism 202, an upper cylinder mechanism 203, a rotary valve mechanism and a hopper 204; lifting hydraulic cylinders 304 are respectively arranged on two sides of the feeding machine to drive the feeding machine to slide up and down, and the feeding machine completes concrete proportioning and stirring feeding; the hydraulic system 4 comprises a motor, a hydraulic pump and a hydraulic valve, and the hydraulic system realizes hydraulic drive.
The shotcrete machine of the concrete spraying all-in-one machine is provided with a hopper 204, the hopper 204 is fixedly connected above an upper cylinder barrel mechanism 203 and can be fixedly connected in a welding mode, a flange connection mode, a threaded hole fixing connection mode or other modes, a lower cylinder barrel mechanism 202 is fixedly connected below the upper cylinder barrel mechanism and can increase the sealing performance of a sealing part for strengthening connection, a rotor mechanism 201 is fixedly arranged below a lower box body of the lower cylinder barrel mechanism, a conical distributor in the rotor mechanism 201 disperses concrete to each material cavity, and the concrete in each material cavity sequentially rotates to a material outlet along with the rotation of a rotor 201-7 and is conveyed along with high-pressure air at an air inlet. The respective pistons of the upper cylinder mechanism 203 and the lower cylinder mechanism 202 only act one of them during operation, and at least one sealing piston is located at a sealing position, so that the sealing of the device is realized. The material loading machine stirs and to the material loading in the hopper through main spiral, there is cement spiral 301 in the spiral material loading machine, grit spiral 302 and main spiral 303, main spiral and cement spiral fixed connection, grit spiral and cement spiral are through the cooperation gear connection, thereby realize the ratio of grit and cement, the automatic ratio of concrete can be realized to spiral material loading process, so can realize the automatic ratio of concrete, stirring and material loading, material loading machine can slide from top to bottom simultaneously, when realizing the all-in-one walking, the material loading machine is located the upper end, improve equipment walking ability, the during operation material loading machine is located the lower part, the working height is reduced, and convenient operation.
An oil tank 105, an upper guide seat 103 and a lower guide seat 104 are installed on a chassis of the walking mechanism 1, the chassis is used for installing and bearing all parts of the all-in-one machine, the upper guide seat and the lower guide seat are mainly used for placing a feeding mechanism, the feeding mechanism can conveniently slide up and down, and therefore walking and feeding of the all-in-one machine are guaranteed. The oil tank is fixed on one side of the chassis, and the balance performance of the all-in-one machine is guaranteed. The upper guide seat comprises a first upper guide seat 103 and a second upper guide seat 104, the first upper guide seat 103 is fixedly arranged on the chassis 102, the second upper guide seat 104 is fixedly arranged on the oil tank 105, and the upper ends of the first upper guide seat and the second upper guide seat are flush. The lower guide seat 106 is arranged on the chassis opposite to the upper guide seat, two rollers are arranged on the lower guide seat, and the rollers are arranged and fixed on the lower guide seat in a V-shaped manner, so that the feeding machine can slide conveniently.
The material loading machine has set up two and has promoted pneumatic cylinder 304, and two promotion pneumatic cylinders are located 3 both sides of material loading machine respectively, promote the pneumatic cylinder bottom and install under on the guiding mechanism base, through round pin hub connection, promote on pneumatic cylinder piston rod top surveyed the material loading machine frame through round pin hub connection, so the material loading machine can slide from top to bottom.
The rotor mechanism 201 of the patching machine comprises a rotor shell 201-8, a rotor 201-7, a conical distributor 201-5, an air inlet 201-6, a discharge port 201-10, shell legs 201-4 and a driving mechanism, wherein the driving mechanism comprises a driving motor 201-3, a gear box 201-1 and a motor base 201-2, the rotor shell is fixed above the gear box through the shell legs, the rotor is arranged in the rotor shell and connected with an output shaft of the gear box, and the conical distributor is arranged above the rotor. A sealing seat is further arranged between the rotor shell and an output shaft of the gear box, a 0-shaped sealing ring is arranged inside the sealing seat, a discharge port is installed at the bottom of the rotor shell, and an air inlet is further formed in the upper portion, on the same side with the discharge port, of the rotor shell. The input end fixed mounting of gear box is on the motor seat, cup joints through the spline between motor output shaft and the gear box input shaft. Wherein the whole annular that is of rotor, evenly arrange a plurality of baffles along the annular, the baffle is arranged along the radius of rotor, forms a plurality of material chambeies between the baffle, material chamber downside opening, the through-hole in the middle of the rotor is the mounting hole, and mounting hole and gear box output shaft cooperation are installed, and this mounting hole can be oblate, and the output shaft of gear box also is the oblate form. In addition, the rotor shell is integrally cylindrical, a fixing plate is arranged at the lower side of the rotor shell, and a sealing hole and a discharge hole are formed in the fixing plate; the side surface of the rotor shell is provided with an air inlet mounting seat, the air inlet mounting seat is used for fixedly mounting an air inlet device, the air inlet device comprises a mounting plate and an air outlet, the mounting plate and the air inlet mounting seat are mutually matched and mounted, the air outlet part of the air inlet device extends into the rotor shell, and the shape of the air outlet is the same as the outline shape of a rotor material cavity, so that the injection feeding is facilitated.
The lower cylinder of the pulp shooting machine is arranged above the rotor mechanism, the upper hydraulic cylinder and the lower hydraulic cylinder are oppositely arranged in different directions, the extension directions of the upper hydraulic cylinder and the lower hydraulic cylinder are opposite, the upper box body and the lower cylinder are fixedly connected through screws, the hopper is arranged above the upper cylinder, and the rotary valve is arranged at the rear end of the upper cylinder. The lower cylinder mechanism comprises a lower hydraulic cylinder 202-1, a lower box body 202-4, a lower cylinder 202-7, a lower sealing piston 202-3, a lower pushing piston 202-5, a material collecting box 202-8 and an exhaust device, the lower box body is fixedly connected with the rotor shell, the lower hydraulic cylinder is installed on one side of the lower box body, the lower cylinder, the material collecting box and the exhaust device are sequentially installed on the other side of the lower box body, and the material collecting box is used for collecting residual materials accumulated by the material pushing piston. The front end of a lower piston rod of the lower hydraulic cylinder is provided with a lower sealing piston, the front end of the lower piston rod is also connected with a lower connecting shaft, the front end of the lower connecting shaft is fixedly provided with a lower pushing piston, the lower sealing piston and the lower pushing piston reciprocate together under the driving of the lower piston rod, the lower pushing piston reciprocates in a lower cylinder barrel to push materials, and the lower sealing piston seals the position between the lower cylinder barrel and a lower box body. The end part of the lower pushing piston is also provided with an exhaust rod along the axis to move synchronously with the lower pushing piston. The exhaust device comprises an exhaust rod 202-6, an exhaust flange 202-18, an exhaust seat 202-12, an exhaust pipe 202-11, an exhaust piston 202-17, a spring 202-13, a spring pressing sheet 202-14, a large nut 202-16 and a tensioning hand wheel 202-15, wherein the exhaust flange is fixed on the side surface of the material collecting box opposite to the lower cylinder, and the exhaust seat is arranged on the exhaust flange; the blast pipe passes the exhaust flange and fixed, still is provided with a plurality of interior exhaust holes on the pipe wall of blast pipe symmetrically, and the preferred is 4 exhaust holes of symmetrical arrangement, and the one end of blast pipe still is provided with the external screw thread to easy to assemble. The inside of blast pipe still is provided with interior shaft shoulder, and interior shaft shoulder and exhaust piston cooperation, the spring is installed to the offside of exhaust piston and interior shaft shoulder, is provided with the spring preforming between spring and the big nut. The big nut is provided with internal threads which are matched and installed with the internal threads of the exhaust pipe, and the middle part of the big nut is also provided with a tensioning hand wheel which is used for adjusting the matching of the big nut and the exhaust pipe and ensuring the elasticity of the spring.
The upper cylinder mechanism of the pulp shooting machine comprises an upper hydraulic cylinder 203-1, an upper box 203-3, an upper cylinder 203-4, an upper sealing piston 203-5, an upper pushing piston 203-6 and a rotary valve structure, wherein the upper box 203-3 and the lower cylinder 203-4 are fixedly connected through a mounting flange, the upper hydraulic cylinder is arranged on one side of the upper box 203-3, and the upper cylinder and the rotary valve structure are sequentially arranged on the other side of the upper box 203-3. An upper sealing piston is mounted at the front end of an upper piston rod of the upper hydraulic cylinder 203-1, an upper connecting shaft is further connected to the front end of the upper piston rod, an upper pushing piston is fixedly arranged at the front end of the upper connecting shaft 203-8, the upper piston rod drives the upper sealing piston and the upper pushing piston to reciprocate, the upper pushing piston 203-6 pushes materials in a reciprocating mode in an upper cylinder barrel, the upper sealing piston is sealed between the upper cylinder barrel and an upper box body, and the upper portion of the upper cylinder barrel can be fixedly connected with a hopper through a connecting flange. The rotary valve structure comprises a rotary valve hydraulic cylinder 203-11, a rotary valve body 203-14, a rotary valve connecting rod 203-10, a rotary valve crank 203-13 and a rotary valve seat 203-12, wherein the rotary valve seat is fixedly arranged on the upper cylinder barrel and is arranged opposite to the upper box body, the rotary valve body is arranged between the rotary valve seat and the upper box body, the rotary valve seat is also provided with a crank seat and an oil cylinder seat, the rotary valve hydraulic cylinder is arranged on the rotary valve seat, the rotary valve crank is fixed through the crank seat, and two ends of the rotary valve connecting rod are respectively connected with the rotary valve body and the rotary valve crank. The opening and closing of the channel between the upper cylinder barrel and the hopper are realized in the rotating process of the rotary valve body, so that when the piston moves, concrete in the hopper directly flows downwards to cause friction between the piston and materials.
According to the structure of the concrete injection all-in-one machine, the working principle of the concrete injection all-in-one machine is further explained, firstly, the feeding machine can slide downwards, so that materials can be conveniently added into a hopper of the feeding machine, then, the feeding machine can quantitatively realize proportioning through a cement screw and a gravel screw, the materials are conveyed to a column screw and then stirred through a main screw, and the materials are conveyed to the hopper of the injection machine after stirring. Then the injection machine starts to work, a rotary valve body of the rotary valve structure opens a channel between an upper cylinder barrel and a hopper, materials enter the upper cylinder barrel from the hopper, the rotary valve body closes the channel between the cylinder barrel and the hopper at the moment, an upper material pushing piston moves towards one side of an upper box body to move the materials back to the upper box body, a lower sealing piston is in a sealing state between a lower box body and a lower cylinder barrel at the moment, and the materials enter the lower cylinder barrel from the upper box body; after the material enters the lower cylinder barrel, the upper sealing piston returns to the position between the upper cylinder barrel and the upper box body for sealing, and the lower material pushing piston pushes the material to the lower box body; the materials fall to a conical distributor above the rotor through a lower box body and are uniformly distributed in each material cavity of the rotor; the air inlet supplies air, and the air outlet supplies air to send the material in the rotor material cavity to the discharge gate to realize concrete continuous conveying and guniting.
When the concrete spraying all-in-one machine works, the lower hydraulic cylinder pushes the lower sealing piston to move towards one side of the lower cylinder barrel, the lower sealing piston moves to a position between the lower cylinder barrel and the lower box body for sealing, meanwhile, the exhaust rod on the lower feeding piston is pushed down to open the exhaust piston, and the exhaust device is opened; and then the lower hydraulic cylinder drives the lower material pushing piston to move reversely, so that the materials are pushed to the lower box body, meanwhile, the exhaust rod is far away from the exhaust piston, and the exhaust device is closed. In addition, when the concrete spraying all-in-one machine works, at least one sealing piston of the upper sealing piston and the lower sealing piston is in a sealing position.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (10)
1. The concrete spraying all-in-one machine is characterized by comprising a travelling mechanism, a spraying machine, a feeding machine and a hydraulic system, wherein the travelling mechanism comprises a travelling crawler and a chassis, and the travelling mechanism drives the all-in-one machine to move integrally; the spraying machine is arranged on the chassis between the walking tracks and comprises a rotor mechanism, a lower cylinder mechanism, an upper cylinder mechanism, a rotary valve mechanism and a hopper; lifting hydraulic cylinders are respectively arranged on two sides of the feeding machine to drive the feeding machine to slide up and down, and the feeding machine completes concrete proportioning and stirring feeding; the hydraulic system comprises a motor, a hydraulic pump and a hydraulic valve, and realizes hydraulic drive;
the hopper of the pulp shooting machine is fixedly connected above the upper cylinder mechanism, the lower cylinder mechanism is fixedly connected below the upper cylinder mechanism, and the rotor mechanism is fixedly arranged below the lower box body of the lower cylinder mechanism; the upper cylinder mechanism and the lower cylinder mechanism only act on one of the pistons during working, and at least one sealing piston is positioned at a sealing position; the feeding machine is used for stirring and feeding through the main spiral.
2. The concrete spraying all-in-one machine is characterized in that an oil tank, an upper guide seat and a lower guide seat are mounted on the chassis, and the oil tank is fixed on one side of the chassis; the upper guide seat comprises a first upper guide seat and a second upper guide seat, the first upper guide seat is fixedly arranged on the chassis, the second upper guide seat is fixedly arranged on the oil tank, and the upper ends of the first upper guide seat and the second upper guide seat are parallel and level; the lower guide seat is arranged on the chassis opposite to the upper guide seat, two rollers are arranged on the lower guide seat, and the rollers are arranged and fixed on the lower guide seat in a V-shaped manner.
3. The concrete spraying all-in-one machine is characterized in that a rotor mechanism of the spraying machine comprises a rotor shell, a rotor, a conical distributor, an air inlet, an air outlet, shell supporting legs and a driving mechanism, the driving mechanism comprises a driving motor, a gear box and a motor seat, the rotor shell is fixed above the gear box through the shell supporting legs, the rotor is arranged in the rotor shell and connected with an output shaft of the gear box, and the conical distributor is arranged above the rotor; a sealing seat is further arranged between the rotor shell and the output shaft of the gear box, a 0-shaped sealing ring is arranged in the sealing seat, a discharge port is arranged at the bottom of the rotor shell, and an air inlet is further formed above the rotor shell on the same side as the discharge port; the input end of the gear box is fixedly arranged on the motor seat, and the motor output shaft and the gear box input shaft are sleeved through a spline.
4. The concrete spraying all-in-one machine as claimed in claim 3, wherein the rotor is annular in whole, a plurality of partition plates are uniformly arranged along the annular shape, a plurality of material cavities are formed among the partition plates, and the lower sides of the material cavities are open; the through hole in the middle of the rotor is a mounting hole, and the mounting hole is matched with the output shaft of the gear box.
5. The concrete spraying all-in-one machine is characterized in that the lower cylinder mechanism comprises a lower hydraulic cylinder, a lower box body, a lower cylinder, a lower sealing piston, a lower pushing piston, a material collecting box and an exhaust device, the lower box body is fixedly connected with the rotor shell, the lower hydraulic cylinder is installed on one side of the lower box body, and the lower cylinder, the material collecting box and the exhaust device are sequentially installed on the other side of the lower box body; the front end of a lower piston rod of the lower hydraulic cylinder is provided with a lower sealing piston, the front end of the lower piston rod is also connected with a lower connecting shaft, and the front end of the lower connecting shaft is fixedly provided with a lower pushing piston; and the end part of the lower pushing piston is also provided with an exhaust rod along the axis.
6. The concrete spraying all-in-one machine is characterized in that the exhaust device comprises an exhaust rod, an exhaust flange, an exhaust seat, an exhaust pipe, an exhaust piston, a spring pressing sheet, a large nut and a tensioning hand wheel; the exhaust flange is fixed on the side surface of the material collecting box opposite to the lower cylinder, and the exhaust seat is arranged on the exhaust flange; the exhaust pipe penetrates through the exhaust flange and is fixed, a plurality of inner exhaust holes are symmetrically formed in the pipe wall of the exhaust pipe, and an external thread is further formed at one end of the exhaust pipe; an inner shaft shoulder is further arranged inside the exhaust pipe and matched with the exhaust piston, a spring is arranged on the opposite side of the exhaust piston and the inner shaft shoulder, and a spring pressing sheet is arranged between the spring and the large nut; the big nut is provided with internal threads and is installed in a matched mode with the internal threads of the exhaust pipe, and the middle of the big nut is further provided with a tensioning hand wheel.
7. The concrete spraying all-in-one machine is characterized in that the upper cylinder barrel mechanism comprises an upper hydraulic cylinder, an upper box body, an upper cylinder barrel, an upper sealing piston, an upper pushing piston and a rotary valve structure, wherein the upper box body and the lower cylinder barrel are fixedly connected through a mounting flange, the upper hydraulic cylinder is arranged on one side of the upper box body, and the upper cylinder barrel and the rotary valve structure are sequentially arranged on the other side of the upper box body; the front end of an upper piston rod of the upper hydraulic cylinder is provided with an upper sealing piston, the front end of the upper piston rod is also connected with an upper connecting shaft, and the front end of the upper connecting shaft is fixedly provided with an upper pushing piston; the upper part of the upper cylinder barrel is fixedly connected with the hopper through a connecting flange.
8. The concrete spraying all-in-one machine is characterized in that the rotary valve structure comprises a rotary valve hydraulic cylinder, a rotary valve body, a rotary valve connecting rod, a rotary valve crank and a rotary valve seat, the rotary valve seat is fixedly arranged on the upper cylinder barrel and is arranged opposite to the upper box body, the rotary valve body is arranged between the rotary valve seat and the upper box body, a crank seat and an oil cylinder seat are further arranged on the rotary valve seat, the rotary valve hydraulic cylinder is arranged on the rotary valve seat, the rotary valve crank is fixed through the crank seat, and two ends of the rotary valve connecting rod are respectively connected with the rotary valve body and the rotary valve crank; the rotary valve body realizes the opening and closing of a channel between the upper cylinder barrel and the hopper in the rotating process.
9. The concrete spraying all-in-one machine as claimed in any one of claims 6-8, wherein when the concrete spraying all-in-one machine works, the lower hydraulic cylinder pushes the lower sealing piston to move towards one side of the lower cylinder barrel, the lower sealing piston moves to a position between the lower cylinder barrel and the lower box body for sealing, meanwhile, the exhaust rod on the feeding piston is pushed down to open the exhaust piston, and the exhaust device is opened; and then the lower hydraulic cylinder drives the lower material pushing piston to move reversely, so that the materials are pushed to the lower box body, meanwhile, the exhaust rod is far away from the exhaust piston, and the exhaust device is closed.
10. The concrete spraying all-in-one machine of claim 9, wherein when the concrete spraying all-in-one machine is in operation, at least one of the upper sealing piston and the lower sealing piston is in a sealing position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010168351.9A CN111236978A (en) | 2020-03-12 | 2020-03-12 | Concrete sprays all-in-one |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010168351.9A CN111236978A (en) | 2020-03-12 | 2020-03-12 | Concrete sprays all-in-one |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111236978A true CN111236978A (en) | 2020-06-05 |
Family
ID=70880328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010168351.9A Withdrawn CN111236978A (en) | 2020-03-12 | 2020-03-12 | Concrete sprays all-in-one |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111236978A (en) |
-
2020
- 2020-03-12 CN CN202010168351.9A patent/CN111236978A/en not_active Withdrawn
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Application publication date: 20200605 |
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