CN110701015A - Pneumatic pumping small-sized concrete conveying pump - Google Patents
Pneumatic pumping small-sized concrete conveying pump Download PDFInfo
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- CN110701015A CN110701015A CN201910951594.7A CN201910951594A CN110701015A CN 110701015 A CN110701015 A CN 110701015A CN 201910951594 A CN201910951594 A CN 201910951594A CN 110701015 A CN110701015 A CN 110701015A
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- 238000005086 pumping Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 238000007599 discharging Methods 0.000 claims abstract description 34
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract 2
- 241001330002 Bambuseae Species 0.000 claims abstract 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract 2
- 239000011425 bamboo Substances 0.000 claims abstract 2
- 230000000694 effects Effects 0.000 claims abstract 2
- 210000001503 joint Anatomy 0.000 claims description 30
- 238000003756 stirring Methods 0.000 claims description 29
- 239000000725 suspension Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 4
- 239000000463 material Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000009304 pastoral farming Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
- F04B9/129—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers
- F04B9/1295—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers having two or more pumping chambers in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0806—Details; Accessories
- B28C5/0831—Drives or drive systems, e.g. toothed racks, winches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
- B28C7/162—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure
- B28C7/167—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure by means of a screw conveyor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention provides a pneumatic pumping small concrete delivery pump, which comprises a pumping device and a pneumatic device, wherein the pumping device comprises a circulating air pump mechanism, a feeding component and a discharging component, the circulating air pump mechanism comprises a fixed cylinder, a fixed chassis is arranged at an opening at the lower end of the fixed cylinder, the upper end opening part is provided with fixed top plate, it is provided with down the loose collar to rotate on the fixed chassis up end, it is provided with the loose collar to rotate on the lower terminal surface of fixed top plate, it sets up vertical cylinder to fix between loose collar and the last loose collar down, the cylinder is provided with eight and along the circumferencial direction array arrangement in fixed section of thick bamboo place, be provided with in the cylinder and constitute sealed sliding guide complex piston rather than and the initial condition activity contacts with loose collar down, the cylinder circulation and the output of feeding component, the input switch-on of row material component, pneumatic means carries out the force (forcing) pump through the concrete of driving piston upward movement to pouring into in the cylinder and penetrates.
Description
Technical Field
The invention relates to a concrete pump, in particular to a pneumatic pumping small-sized concrete conveying pump.
Background
A concrete delivery pump, also known as a concrete pump, consists of a pump body and a delivery pipe, is a machine for continuously delivering concrete along a pipeline by utilizing hydraulic pressure, and is mainly divided into a gate valve concrete delivery pump and an S valve concrete delivery pump, at present, the concrete delivery pump is mainly applied to large-scale construction sites, such as high-rise building construction, bridge and tunnel construction, etc., the reasons for this are that the structure principle is complex, the manufacturing cost is high, the maintenance of the hydraulic system is difficult, and the hydraulic system is difficult to be popularized and applied to small construction sites, such as rural self-building houses, livestock farming shed construction, etc., the concrete is mainly transferred and operated through the small trolley and the lime barrel on a small construction site, time and labor are wasted, the transportation efficiency is low, and the labor intensity of operators is high.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide the pneumatic pumping small concrete delivery pump which has the advantages of ingenious structure, simple principle, low manufacturing cost and convenient popularization and application to small construction sites.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
A pneumatic pumping small concrete delivery pump comprises a pumping device and a pneumatic device, wherein the pumping device comprises a circulating air pump mechanism for pumping concrete, a feeding member which is connected and communicated with the input end of the circulating air pump mechanism and is used for inputting the concrete into the circulating air pump mechanism, a discharging member which is connected and communicated with the output end of the circulating air pump mechanism and is used for discharging the pressurized concrete outwards, and a rotary driving mechanism which is used for driving the circulating air pump mechanism to circulate and continuously pump the concrete, and the pneumatic device is used for providing driving power for the circulating pneumatic mechanism;
the circulating air pump mechanism comprises a fixed cylinder which is axially vertically arranged and has openings at the upper end and the lower end, an annular fixed chassis is coaxially and fixedly arranged at the opening at the lower end of the fixed cylinder, a floor chassis is fixedly arranged on the lower end face of the chassis, an annular fixed top disc is coaxially and fixedly arranged at the opening at the upper end of the fixed cylinder, a plate-shaped lower movable ring which is annularly arranged is coaxially and rotatably arranged on the upper end face of the fixed chassis, a plate-shaped upper movable ring which is annularly arranged is coaxially and rotatably arranged on the lower end face of the fixed top disc, an air cylinder which is axially parallel to the axial direction of the fixed cylinder is fixedly arranged between the lower movable ring and the upper movable ring, and the lower end of the air cylinder, the upper end of the cylinder is fixedly connected with the upper movable ring, eight cylinders are arranged in an array along the circumferential direction of the fixed cylinder, pistons which form sealed sliding guide fit with the cylinders are arranged in the cylinders, and the cylinders are movably contacted with the lower movable ring in an initial state;
the upper movable ring is provided with circular openings which correspond to the openings at the upper end of the air cylinder one by one, the openings are communicated with the air cylinder in a connecting way, the diameter of each opening is consistent with the diameter of the inner circular surface of the air cylinder, the fixed top disc is provided with a feed inlet and a discharge outlet which are symmetrically arranged along the axial direction of the fixed top disc, the fixed top disc and the upper movable ring are mutually attached and form sealed rotary connection and matching, the feed inlet is communicated with one of the eight openings in an initial state, the discharge outlet is communicated with one of the eight openings in a butt joint way, the output end of the feeding component is communicated with the feed inlet in a connecting way, and the input end of the discharge;
the upper end face of the fixed chassis is coaxially provided with a first annular groove, the bottom of the first annular groove is coaxially clamped with a second annular groove close to the outer side wall of the first annular groove, the bottom of the second annular groove is provided with a gas inlet and a gas outlet which are axially and symmetrically arranged along the fixed chassis, the gas inlet and the gas outlet are vertically penetrated, the gas inlet is positioned under the discharge hole, the gas outlet is positioned under the feed inlet, the lower end face of the lower movable ring is coaxially and fixedly provided with a first annular boss which protrudes downwards, the lower end face of the first annular boss is coaxially and fixedly provided with a second annular boss which protrudes downwards, the lower end face of the second annular boss is coaxially and fixedly provided with a third annular boss which protrudes downwards, the diameter of the second annular boss is smaller than that of the third annular boss and smaller than that of the first annular boss, the third annular boss is attached, the two joints of annular boss are in annular groove one and both constitute the swivelling joint cooperation, set up the butt joint hole that is on a parallel with its axial and runs through from top to bottom on the annular boss three, the butt joint hole is provided with eight and arranges along lower movable ring place circumferencial direction array, the output and the cylinder one-to-one of butt joint hole are up-down corresponding and are connected the switch-on with the lower extreme of cylinder, the input butt joint switch-on of air inlet and one among them butt joint hole under the initial condition, the input butt joint switch-on of gas vent and one among them butt joint hole, pneumatic means's input and air inlet are connected the.
As a further optimization or improvement of the present solution.
The feeding component comprises a feeding barrel fixedly installed on the upper end face of the fixed top plate, the axial direction of the feeding barrel is parallel to the axial direction of the fixed barrel, the lower end opening of the feeding barrel is communicated with the feeding hole, the upper end opening is coaxially provided with a funnel, the funnel comprises a pipe connecting portion, a conical portion and a cylindrical portion, the pipe connecting portion is sequentially communicated from bottom to top, the upper end opening of the feeding barrel is communicated with the pipe connecting portion, the opening size of the conical portion is gradually increased from bottom to top, the lower end opening of the conical portion is communicated with the upper end of the pipe connecting portion, the upper end opening of the conical portion is communicated with the lower end of the cylindrical portion, and the upper end of the cylindrical portion.
As a further optimization or improvement of the present solution.
The feeding component also comprises an annular mounting frame coaxially and fixedly sleeved at the top end of the cylindrical part of the funnel, a rectangular mounting plate is arranged on the mounting frame inwards along the radial direction of the mounting frame, the suspension end of the mounting plate extends to the middle position of the mounting frame, a pneumatic motor is fixedly arranged on the mounting plate, an output shaft of the pneumatic motor vertically and downwards movably penetrates through the mounting plate and is coaxially arranged with the funnel, a stirring shaft vertically and downwards extending into the feeding cylinder is coaxially and fixedly arranged on the output shaft of the pneumatic motor, the stirring shaft is provided with stirring rods arranged along the radial direction of the stirring shaft, the middle position of the stirring rods along the axial direction of the stirring shaft is fixedly connected with the stirring shaft, three stirring rods are arranged at equal intervals up and down and are positioned in the cylindrical part of the hopper, the stirring shaft is also coaxially provided with an auger which extends downwards into the feeding cylinder from the conical part of the funnel, and the output end of the pneumatic device is connected and communicated with the air inlet end of the pneumatic motor.
As a further optimization or improvement of the present solution.
The discharging component comprises a discharging cylinder fixedly installed on the upper end face of the fixed top disc, the axial direction of the discharging cylinder is parallel to the axial direction of the fixed cylinder, the lower end opening of the discharging cylinder is communicated with the discharging opening, the upper end opening is connected with a butt joint, the output end of the butt joint is connected with a flexible conveying pipeline, and the output end of the conveying pipeline can move freely.
As a further optimization or improvement of the present solution.
The outer circular surface of the fixed cylinder is provided with vertically arranged strip-shaped external bulges, the outer circular surface of the fixed cylinder is provided with an opening penetrating into the fixed cylinder, the opening and the external bulges are arranged in a crossed manner, and the opening is correspondingly flushed with the annular boss, the rotary driving mechanism comprises a main shaft which is rotatably arranged in the external bulges and is axially parallel to the axial direction of the fixed cylinder, a first driving gear which is coaxially fixedly sleeved on the output end of the main shaft, and a first driven gear ring which is coaxially fixedly sleeved on the outer circular surface of the first annular boss, wherein the first driving gear penetrates through the opening and extends into the fixed cylinder, the first driving gear is meshed with the first driven gear ring, the rotary driving mechanism further comprises a fixed plate fixedly arranged on the upper end surface of the fixed top plate, a stepping motor is fixedly arranged on the fixed plate, the output shaft of the stepping motor is parallel to the, and a second driven gear is coaxially and fixedly sleeved on the driving end of the main shaft, and the second driving gear is meshed with the second driven gear.
As a further optimization or improvement of the present solution.
The pneumatic device comprises a bracket fixedly arranged on the underframe, an air compressor is fixedly arranged on the bracket, the air compressor is positioned between the air cylinders and movably penetrates through the fixed chassis to extend to the outside, the output end of the air compressor is connected and provided with a three-way pipe, one output end of the three-way pipe is connected and communicated with the air inlet, and the other output end of the three-way pipe is connected and communicated with the air inlet end of the pneumatic motor.
Compared with the prior art, the invention has the advantages of ingenious structure, simple principle, low manufacturing cost and convenient popularization and application to small construction sites, the air compressor drives the piston and realizes pressurizing and pumping the concrete by injecting the concrete into the cylinder, the conveying pipeline transfers the concrete pumped out to a construction point, and a plurality of cylinders are adopted to circulate to pump and convey the concrete, thereby improving the pumping efficiency of the concrete, replacing hydraulic drive by pneumatic drive, reducing the cost of the whole machine and being beneficial to overhaul and maintenance.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a schematic structural diagram of the pumping device of the present invention.
Fig. 4 is a schematic structural view of the air circulation pump mechanism.
Fig. 5 is a partially exploded schematic view of the circulating air pump mechanism.
Fig. 6 is a schematic view of the internal structure of the air circulation pump mechanism.
Fig. 7 is a schematic view of the internal structure of the air circulation pump mechanism.
Fig. 8 is a partially exploded schematic view of the circulating air pump mechanism.
Fig. 9 is a partial sectional view of the circulating air pump mechanism.
Fig. 10 is a partial structural schematic view of the air circulation pump mechanism.
Fig. 11 is a partial structural schematic view of the air circulation pump mechanism.
FIG. 12 is a view showing the cooperation of the circulating air pump mechanism with the feeding member and the discharging member.
Fig. 13 is a schematic structural view of a feeding member.
Fig. 14 is a schematic view of the internal structure of the feed member.
Fig. 15 is a schematic view of the discharge member.
Fig. 16 is a view showing the combination of the air circulation pump mechanism and the rotary drive mechanism.
Fig. 17 is a diagram showing the cooperation of the air circulation pump mechanism and the rotation drive mechanism.
Fig. 18 is a view showing the combination of the air circulation pump mechanism and the rotary drive mechanism.
Fig. 19 is a partial structural view of the fixed cylinder.
FIG. 20 is a drawing showing the pneumatic device in cooperation with the air circulation pump mechanism and the feeding mechanism.
Fig. 21 is an installation view of the pneumatic device.
Fig. 22 is a schematic view of the overall structure of the pneumatic device.
Labeled as:
100. a pumping device; 110. a circulating air pump mechanism; 111. a fixed cylinder; 111a, external convex; 111b, opening the opening; 112. fixing the chassis; 112a and a first annular groove; 112b and a second annular groove; 112c, an air inlet; 112d, an exhaust port; 113. a chassis; 114. fixing the top plate; 114a, a feed inlet; 114b, a discharge opening; 115. a lower movable ring; 115a, a first annular boss, 115b and a second annular boss; 115c and a third annular boss; 115d, a docking hole; 116. an upper movable ring; 116a, opening the opening; 117. a cylinder; 118. a piston; 120. a feed member; 121. a feeding cylinder; 122. a funnel; 123. a mounting frame; 124. mounting a plate; 125. a pneumatic motor; 126. a stirring shaft; 127. a stirring rod; 128. a packing auger; 130. a discharge member; 131. a discharge cylinder; 132. butt joints; 140. a rotation driving mechanism; 141. a main shaft; 142. a first driving gear; 143. a driven gear ring I; 144. a fixing plate; 145. a stepping motor; 146. a second driving gear; 147. a driven gear II;
200. a pneumatic device; 201. an air compressor; 202. a bracket; 203. a three-way pipe.
Detailed Description
A small-sized pneumatic pumping concrete delivery pump comprises a pumping device 100 and a pneumatic device 200, wherein the pumping device 100 comprises a circulating air pump mechanism 110 used for pumping concrete, a feeding member 120 connected and communicated with the input end of the circulating air pump mechanism 110 and used for inputting the concrete into the circulating air pump mechanism, a discharging member 130 connected and communicated with the output end of the circulating air pump mechanism 110 and used for discharging the pressurized concrete outwards, and a rotary driving mechanism 140 used for driving the circulating air pump mechanism 110 to circulate and continuously pump the concrete, and the pneumatic device 200 is used for providing driving power for the circulating air pump mechanism 110.
Specifically, the air circulation pump mechanism 110 includes a fixed cylinder 111 vertically arranged in an axial direction and having openings at upper and lower ends, an annular fixed base plate 112 is coaxially and fixedly disposed at the opening at the lower end of the fixed cylinder 111, a floor-type base frame 113 is fixedly disposed at the lower end face of the base plate 112, an annular fixed top plate 114 is coaxially and fixedly disposed at the opening at the upper end of the fixed cylinder 111, a plate-shaped lower movable ring 115 arranged in an annular shape is coaxially and rotatably disposed on the upper end face of the fixed base plate 112, a plate-shaped upper movable ring 116 arranged in an annular shape is coaxially and rotatably disposed on the lower end face of the fixed top plate 114, an air cylinder 117 axially parallel to the axial direction of the fixed cylinder 111 is fixedly disposed between the lower movable ring 115 and the upper movable ring 116, the lower end of the air cylinder 117 is fixedly connected to the lower movable ring 115, the upper end of the air cylinder is fixedly connected to the upper movable, the cylinder 117 is internally provided with a piston 118 which forms a sealed sliding guide fit with the cylinder 117, the piston 118 is in contact with the lower movable ring 116 in an initial state, concrete is introduced into the cylinder 117 from top to bottom, high-pressure air is injected into the cylinder 117 from bottom to top to push the piston 118 to vertically slide upwards along the cylinder 117, and the concrete in the cylinder 117 is pressurized and discharged.
Specifically, in order to facilitate the feeding member 120 to sequentially and circularly inject concrete into the cylinder 117, the upper movable ring 116 is provided with circular openings 116a corresponding to the openings at the upper end of the cylinder 117, the openings 116a are communicated with the cylinder 117, the diameter of the opening 116a is consistent with the diameter of the inner circular surface of the cylinder 117, the fixed top plate 114 is provided with a feeding port 114a and a discharging port 114b which are symmetrically arranged along the axial direction of the fixed top plate, the fixed top plate 114 and the upper movable ring 116 are mutually attached and form sealed rotary connection and matching, in an initial state, the feeding port 114a is communicated with one of the eight openings 116a, the discharging port 114b is communicated with one of the eight openings 116a, the output end of the feeding member 120 is communicated with the feeding port 114a, the input end of the discharging member 130 is communicated with the discharging port 114b, when the cylinder 117 rotates to be communicated with the feeding member 120, the feeding member 120 feeds concrete into the cylinder 117, and when the cylinder 117 is rotated to be connected to the discharging member 130, the piston 118 moves upward along the cylinder 117 and pumps out the concrete in the cylinder 117 under pressure.
Specifically, in order to facilitate the injection of high-pressure gas into the cylinder 117 from bottom to top and ensure the rotation connection and matching between the fixed base plate 112 and the lower movable ring 115, the upper end surface of the fixed base plate 112 is coaxially provided with a first annular groove 112a, the bottom of the first annular groove 112a is coaxially clamped with a second annular groove 112b near the outer side wall thereof, the bottom of the second annular groove 112b is provided with a gas inlet 112c and a gas outlet 112d which are axially and symmetrically arranged along the fixed base plate 112, the gas inlet 112c and the gas outlet 112d are both vertically penetrated, the gas inlet 112c is positioned under the gas outlet 114b, the gas outlet 112d is positioned under the gas inlet 114a, the lower end surface of the lower movable ring 115 is coaxially and fixedly provided with a first annular boss 115a protruding downwards, the lower end surface of the first annular boss 115a is coaxially and fixedly provided with a second annular boss 115b protruding downwards, the lower end surface of the second annular boss 115b is coaxially and fixedly provided with, the diameter of the second annular boss 115b is smaller than that of the third annular boss 115c and smaller than that of the first annular boss 115a, the third annular boss 115c is attached to the groove bottom of the first annular groove 112b and forms sealed rotary connection fit with the groove bottom, the second annular boss 115b is clamped in the first annular groove 112a and forms rotary connection fit with the first annular groove 112a, the third annular boss 115c is provided with a butt joint hole 115d which is parallel to the axial direction and penetrates up and down, the docking holes 115d are provided in eight and arranged in an array in a circumferential direction of the lower movable ring 115, the output ends of the butt holes 115d are vertically corresponding to the air cylinder 117 one by one and are connected and communicated with the lower end of the air cylinder 117, the air inlet 112c is in butt communication with the input end of one of the butt holes 115d in an initial state, the air outlet 112d is in butt communication with the input end of one of the butt holes 115d, and the input end of the pneumatic device 200 is connected and communicated with the air inlet 112 c.
In the concrete pumping process, a user places uniformly-mixed concrete into a feeding member 120, the feeding member 120 injects the concrete inside the feeding member into a cylinder 117 communicated with the feeding member from a feeding hole 114a until the cylinder 117 is full of the concrete, then, a rotary driving mechanism 140 drives a lower movable ring 115 to rotate step by step and intermittently at an angle of forty-five degrees each time, so that the cylinder 117 and an output end of the feeding member 120 are sequentially communicated in a butt joint manner, then, when the cylinder 117 full of the concrete rotates to connect and communicate an input end of a discharging member 130, a pneumatic device 200 injects high-pressure gas into an air inlet 112c, the high-pressure gas enters the cylinder 117 through a butt joint hole 115d and pushes a piston 118 to slide vertically and upwards along the cylinder 117, the piston 118 pressurizes and discharges the concrete in the cylinder 117 into the discharging member 130, the discharging member 130 discharges the pressurized concrete to a working site, the rotary driving mechanism 140 drives the lower movable ring 115 to rotate intermittently step by step, and the rotating angle is forty-five degrees each time, so that the cylinder 117 filled with concrete is sequentially connected with the input end of the discharging mechanism 130 in a butt joint way, and the concrete in the cylinder 117 is pumped circularly and continuously.
The purpose of the up-and-down correspondence of the exhaust port 112d with the inlet port 114a is that when the piston 118 moves to the top of the cylinder 117 and the cylinder 117 rotates again to communicate with the inlet port 114a, the concrete in the feeding member 120 will slide the piston 118 vertically downward along the cylinder 117 by gravity, facilitating the outward discharge of the gas in the cylinder 117.
In order to connect and communicate with the feeding port 114a and inject concrete into the cylinder 117, the feeding member 120 includes a feeding cylinder 121 fixedly installed on the upper end surface of the fixed top plate 114, the axial direction of the feeding cylinder 121 is parallel to the axial direction of the fixed cylinder 111, the lower end opening of the feeding cylinder 121 is connected and communicated with the feeding port 114a, the upper end opening is coaxially provided with a funnel 122, the funnel 122 includes a pipe joint part, a conical part and a cylindrical part which are sequentially connected and communicated from bottom to top, the pipe joint part is connected and communicated with the upper end opening of the feeding cylinder 121, the opening size of the conical part is gradually increased from bottom to top, the lower end opening of the conical part is connected and communicated with the upper end of the pipe joint part, the upper end opening of the conical part is connected and communicated with the lower end of the cylindrical part, the upper end of the cylindrical part is arranged in an open manner, and the concrete which is uniformly stirred and mixed is poured into, The feed port 114a is injected into the cylinder 117.
Specifically, because the viscosity of concrete is high, it is difficult to inject the concrete into the cylinder 117 quickly under the action of its own weight, for this reason, the feeding member 120 further includes an annular mounting bracket 123 coaxially and fixedly sleeved on the top end of the cylindrical portion of the hopper 122, a rectangular mounting plate 124 is disposed on the mounting bracket 123 along the radial direction inwards, the suspended end of the mounting plate 124 extends to the middle position of the mounting bracket 123, a pneumatic motor 125 is fixedly disposed on the mounting plate 124, the output shaft of the pneumatic motor 125 vertically and downwardly movably passes through the mounting plate 124 and is coaxially arranged with the hopper 122, a stirring shaft 126 vertically and downwardly extending into the feeding cylinder 121 is coaxially and fixedly disposed on the output shaft of the pneumatic motor 125, a stirring rod 127 radially disposed on the stirring shaft 126 is disposed on the stirring shaft 127, the middle position of the stirring rod 127 along the axial direction thereof is fixedly connected with the stirring shaft 126, three stirring rods 127 are disposed at equal intervals up, the stirring shaft 126 is also coaxially provided with an auger 128, the auger 128 extends downwards into the feeding cylinder 121 from the conical part of the funnel 122, and the output end of the pneumatic device 200 is connected and communicated with the air inlet end of the pneumatic motor 125.
The concrete of the feeding member 120 during the operation process is that the user pours the concrete which is uniformly mixed into the hopper 122, the pneumatic device 200 supplies high-pressure gas to the pneumatic motor 125 and rotates the output shaft of the pneumatic motor 125, the pneumatic motor 125 drives the stirring shaft 126 to synchronously rotate, the stirring shaft 126 drives the stirring rod 127 to rotate to stir the concrete in the cylindrical part of the hopper 122, the stirring shaft 126 drives the auger 128 to rotate and convey the concrete in the hopper 122 downwards, the concrete rapidly passes through the feeding hole 114a to enter the cylinder 117, and the feeding member 120 sequentially injects the concrete into the cylinder 117 communicated with the feeding member.
In order to convey the concrete pressurized in the cylinder 117 to the operation site, the discharging member 130 includes a discharging cylinder 131 fixedly installed on the upper end surface of the fixed top plate 114, the axial direction of the discharging cylinder 131 is parallel to the axial direction of the fixed cylinder 111, the lower end opening of the discharging cylinder 131 is communicated with the discharging port 114b, the upper end opening is provided with a butt joint 132, the output end of the butt joint 132 is provided with a flexible conveying pipeline, and the output end of the conveying pipeline can move freely.
The discharge member 140 is operated by the piston 118 moving vertically upward along the cylinder 117 and pumping the concrete in the cylinder 117 into the discharge cylinder 131, the concrete gradually collecting and passing through the butt joint 132 into the delivery conduit, from which it is delivered to the discharge point.
In order to enable the cylinder 117 to intermittently and gradually rotate around the axial direction of the fixed cylinder 111, the outer circumferential surface of the fixed cylinder 111 is provided with a vertically arranged strip-shaped external protrusion 111a, the outer circumferential surface of the fixed cylinder 111 is provided with an opening 111b penetrating into the fixed cylinder 111, the opening 111b is crossed with the external protrusion 111a and the opening 111b is correspondingly flush with the annular boss one 115a, the rotary driving mechanism 140 comprises a main shaft 141 which is rotatably arranged in the external protrusion 111a and is axially parallel to the axial direction of the fixed cylinder 111, a driving gear one 142 coaxially fixedly sleeved on the output end of the main shaft 141, a driven gear ring one 143 coaxially and fixedly sleeved on the outer circumferential surface of the annular boss one 115a, the driving gear one 142 passes through the opening 111b and extends into the fixed cylinder 111, the driving gear one 142 is meshed with the driven gear ring 143, and in order to be capable of driving the main shaft 141 to rotate, the rotary driving mechanism 140 further comprises a fixing plate 144 fixedly arranged on the upper end, a step motor 145 is fixedly mounted on the fixing plate 144, an output shaft of the step motor 145 is parallel to the axial direction of the main shaft 141, a second driving gear 146 is coaxially and fixedly sleeved on the output shaft of the step motor 145, a second driven gear 147 is coaxially and fixedly sleeved on the driving end of the main shaft 141, and the second driving gear 146 is meshed with the second driven gear 147.
In the working process of the rotary driving mechanism 140, the stepping motor 145 is started to operate, the output shaft of the stepping motor 145 drives the driving gear two 146 to rotate, the driving gear two 146 drives the driven gear two 147 to rotate, the driven gear two 147 drives the main shaft 141 to rotate, the driving gear 141 drives the driving gear one 142 to rotate, the driving gear one 142 drives the driven gear ring one 143 to rotate, the driven gear ring one 143 drives the lower movable ring 115 to rotate step by step in an intermittent manner, and the angle of each rotation of the lower movable ring 115 is forty-five degrees, so that the cylinder 117 is driven to synchronously rotate step by step, and the cylinder 117 is sequentially circulated and communicated with the output end of the feeding member 120 and communicated with the input end of the discharging member 130.
In order to supply air to the cylinder 117 from bottom to top through the air inlet 112c and supply air to the air motor 125 at the same time, the air device 200 includes a bracket 202 fixedly disposed on the base frame 113, an air compressor 201 is fixedly mounted on the bracket 202, the air compressor 201 is disposed between the cylinders 117 and movably passes through the fixed base plate 114 to extend to the outside, an output end of the air compressor 201 is connected to a three-way pipe 203, one output end of the three-way pipe 203 is connected to the air inlet 112c, and the other output end of the three-way pipe 203 is connected to the air inlet of the air motor 125, and by operation of the air compressor 201, high-pressure air is supplied to the air inlet 112c and the air inlet of the air motor 125, so that the piston 118 can vertically slide upwards along the cylinder 117, and the air motor.
Claims (8)
1. The utility model provides a small-size concrete feeding pump of pneumatic pump shot which characterized in that: the concrete pumping device comprises a pumping device and a pneumatic device, wherein the pumping device comprises a circulating air pump mechanism for pumping concrete, a feeding member, a discharging member and a rotary driving mechanism, the feeding member is connected and communicated with the input end of the circulating air pump mechanism and is used for inputting the concrete into the circulating air pump mechanism, the discharging member is connected and communicated with the output end of the circulating air pump mechanism and is used for discharging the pressurized concrete outwards, the rotary driving mechanism is used for driving the circulating air pump mechanism to circulate and continuously pump the concrete, and the pneumatic device is used for providing driving power for the circulating pneumatic mechanism;
the circulating air pump mechanism comprises a fixed cylinder which is axially vertically arranged and has openings at the upper end and the lower end, an annular fixed chassis is coaxially and fixedly arranged at the opening at the lower end of the fixed cylinder, a floor chassis is fixedly arranged on the lower end face of the chassis, an annular fixed top disc is coaxially and fixedly arranged at the opening at the upper end of the fixed cylinder, a plate-shaped lower movable ring which is annularly arranged is coaxially and rotatably arranged on the upper end face of the fixed chassis, a plate-shaped upper movable ring which is annularly arranged is coaxially and rotatably arranged on the lower end face of the fixed top disc, an air cylinder which is axially parallel to the axial direction of the fixed cylinder is fixedly arranged between the lower movable ring and the upper movable ring, and the lower end of the air cylinder, the upper end of the cylinder is fixedly connected with the upper movable ring, eight cylinders are arranged in an array along the circumferential direction of the fixed cylinder, pistons which form sealed sliding guide fit with the cylinders are arranged in the cylinders, and the cylinders are movably contacted with the lower movable ring in an initial state;
the upper movable ring is provided with circular openings which correspond to the openings at the upper end of the air cylinder one by one, the openings are communicated with the air cylinder in a connecting way, the diameter of each opening is consistent with the diameter of the inner circular surface of the air cylinder, the fixed top disc is provided with a feed inlet and a discharge outlet which are symmetrically arranged along the axial direction of the fixed top disc, the fixed top disc and the upper movable ring are mutually attached and form sealed rotary connection and matching, the feed inlet is communicated with one of the eight openings in an initial state, the discharge outlet is communicated with one of the eight openings in a butt joint way, the output end of the feeding component is communicated with the feed inlet in a connecting way, and the input end of the discharge;
the upper end face of the fixed chassis is coaxially provided with a first annular groove, the bottom of the first annular groove is coaxially clamped with a second annular groove close to the outer side wall of the first annular groove, the bottom of the second annular groove is provided with a gas inlet and a gas outlet which are axially and symmetrically arranged along the fixed chassis, the gas inlet and the gas outlet are vertically penetrated, the gas inlet is positioned under the discharge hole, the gas outlet is positioned under the feed inlet, the lower end face of the lower movable ring is coaxially and fixedly provided with a first annular boss which protrudes downwards, the lower end face of the first annular boss is coaxially and fixedly provided with a second annular boss which protrudes downwards, the lower end face of the second annular boss is coaxially and fixedly provided with a third annular boss which protrudes downwards, the diameter of the second annular boss is smaller than that of the third annular boss and smaller than that of the first annular boss, the third annular boss is attached, the two joints of annular boss are in annular groove one and both constitute the swivelling joint cooperation, set up the butt joint hole that is on a parallel with its axial and runs through from top to bottom on the annular boss three, the butt joint hole is provided with eight and arranges along lower movable ring place circumferencial direction array, the output and the cylinder one-to-one of butt joint hole are up-down corresponding and are connected the switch-on with the lower extreme of cylinder, the input butt joint switch-on of air inlet and one among them butt joint hole under the initial condition, the input butt joint switch-on of gas vent and one among them butt joint hole, pneumatic means's input and air inlet are connected the.
2. A pneumatic pumping compact concrete pump according to claim 1, characterized in that: the feeding component comprises a feeding barrel fixedly installed on the upper end face of the fixed top plate, the axial direction of the feeding barrel is parallel to the axial direction of the fixed barrel, the lower end opening of the feeding barrel is communicated with the feeding hole, the upper end opening is coaxially provided with a funnel, the funnel comprises a pipe connecting portion, a conical portion and a cylindrical portion, the pipe connecting portion is sequentially communicated from bottom to top, the upper end opening of the feeding barrel is communicated with the pipe connecting portion, the opening size of the conical portion is gradually increased from bottom to top, the lower end opening of the conical portion is communicated with the upper end of the pipe connecting portion, the upper end opening of the conical portion is communicated with the lower end of the cylindrical portion, and the upper end of the cylindrical portion.
3. A pneumatic pumping compact concrete pump according to claim 2, characterized in that: the feeding component still include coaxial fixed cup joint in the annular mounting bracket on funnel cylindric portion top, be provided with the rectangle mounting panel along its radial inside on the mounting bracket, the suspension end of mounting panel extends to the middle part position of mounting bracket, the fixed pneumatic motor that is provided with on the mounting panel, the vertical downward activity of pneumatic motor's output shaft passes the mounting panel and arranges with the funnel is coaxial, the coaxial fixed (mixing) shaft that is provided with vertical downwardly extending to in the feeding section of thick bamboo of pneumatic motor's output shaft, be provided with on the (mixing) shaft along its stirring rod of radially arranging, the stirring rod is along its axial middle part position and (mixing) shaft fixed connection.
4. A pneumatic pumping compact concrete pump according to claim 3, characterized in that: the stirring rod is provided with three stirring rods at equal intervals up and down and is positioned in the cylindrical part of the funnel, the stirring shaft is further coaxially provided with an auger, the auger downwards extends into the feeding cylinder from the conical part of the funnel, and the output end of the pneumatic device is connected and communicated with the air inlet end of the pneumatic motor.
5. A pneumatic pumping compact concrete pump according to claim 1, characterized in that: the discharging component comprises a discharging cylinder fixedly installed on the upper end face of the fixed top disc, the axial direction of the discharging cylinder is parallel to the axial direction of the fixed cylinder, the lower end opening of the discharging cylinder is communicated with the discharging opening, the upper end opening is connected with a butt joint, the output end of the butt joint is connected with a flexible conveying pipeline, and the output end of the conveying pipeline can move freely.
6. A pneumatic pumping compact concrete pump according to claim 1, characterized in that: the outer disc of solid fixed cylinder on be provided with the external arch of vertical strip of arranging, set up on the outer disc of solid fixed cylinder and run through to its inside uncovered, uncovered and external protruding cross arrangement and uncovered and annular boss one-to-one correspondence flushes, rotary driving mechanism including rotate set up in external protruding and axial parallel to solid fixed cylinder axial main shaft, coaxial fixed cover connect in the output of the main shaft driving gear one, coaxial fixed cover connect in driven ring gear one on the outer disc of annular boss, driving gear one passes uncovered extension to solid fixed cylinder in, driving gear one meshes with driven ring gear one.
7. A pneumatic pumping compact concrete pump according to claim 6, characterized in that: the rotary driving mechanism further comprises a fixed plate fixedly arranged on the upper end face of the fixed top plate, a stepping motor is fixedly mounted on the fixed plate, an output shaft of the stepping motor is parallel to the axial direction of the main shaft, a driving gear II is coaxially and fixedly sleeved on the output shaft of the stepping motor, a driven gear II is coaxially and fixedly sleeved on the driving end of the main shaft, and the driving gear II is meshed with the driven gear II.
8. A pneumatic pumping compact concrete pump according to claim 1, characterized in that: the pneumatic device comprises a bracket fixedly arranged on the underframe, an air compressor is fixedly arranged on the bracket, the air compressor is positioned between the air cylinders and movably penetrates through the fixed chassis to extend to the outside, the output end of the air compressor is connected and provided with a three-way pipe, one output end of the three-way pipe is connected and communicated with the air inlet, and the other output end of the three-way pipe is connected and communicated with the air inlet end of the pneumatic motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910951594.7A CN110701015B (en) | 2019-10-09 | 2019-10-09 | Pneumatic pumping small-sized concrete conveying pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910951594.7A CN110701015B (en) | 2019-10-09 | 2019-10-09 | Pneumatic pumping small-sized concrete conveying pump |
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| CN110701015A true CN110701015A (en) | 2020-01-17 |
| CN110701015B CN110701015B (en) | 2020-12-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775178A (en) * | 2021-09-10 | 2021-12-10 | 马国林 | Concrete pouring and conveying process |
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| CN1088664A (en) * | 1992-03-19 | 1994-06-29 | 弗里德里克-威尔-施温有限公司 | Have concrete pump, especially the twin-tub concrete pump of carrying cylinder |
| CN1280546A (en) * | 1997-12-02 | 2001-01-17 | 吕西安·维达 | Device for pneumatic transport of material such as concrete |
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| CN113775178A (en) * | 2021-09-10 | 2021-12-10 | 马国林 | Concrete pouring and conveying process |
| CN113775178B (en) * | 2021-09-10 | 2022-09-20 | 马国林 | Concrete pouring and conveying process |
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|---|---|
| CN110701015B (en) | 2020-12-15 |
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Effective date of registration: 20201127 Address after: 410000 Changsha, Changsha County, Hunan, Changsha County pear street, earth Ridge Community Spring Road No. 50 Applicant after: HUNAN HAMMER HEAVY INDUSTRY MECHANICAL Co.,Ltd. Address before: Tunxi road in Baohe District of Hefei city of Anhui Province, HeFei University of Technology No. 193 230009 Applicant before: Pan Xianmin |
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Denomination of invention: A small pneumatic pump for concrete delivery Effective date of registration: 20210624 Granted publication date: 20201215 Pledgee: Bank of Changsha Limited by Share Ltd. science and Technology Branch Pledgor: HUNAN HAMMER HEAVY INDUSTRY MECHANICAL Co.,Ltd. Registration number: Y2021430000024 |
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Date of cancellation: 20220701 Granted publication date: 20201215 Pledgee: Bank of Changsha Limited by Share Ltd. science and Technology Branch Pledgor: HUNAN HAMMER HEAVY INDUSTRY MECHANICAL CO.,LTD. Registration number: Y2021430000024 |
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Denomination of invention: A pneumatic pumping small concrete delivery pump Effective date of registration: 20220708 Granted publication date: 20201215 Pledgee: Bank of Changsha Limited by Share Ltd. science and Technology Branch Pledgor: HUNAN HAMMER HEAVY INDUSTRY MECHANICAL CO.,LTD. Registration number: Y2022430000054 |