CN113235518B - Production system of river course lining of high strength low infiltration - Google Patents
Production system of river course lining of high strength low infiltration Download PDFInfo
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- CN113235518B CN113235518B CN202110637283.0A CN202110637283A CN113235518B CN 113235518 B CN113235518 B CN 113235518B CN 202110637283 A CN202110637283 A CN 202110637283A CN 113235518 B CN113235518 B CN 113235518B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/121—Devices for applying linings on banks or the water bottom
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/128—Coherent linings made on the spot, e.g. cast in situ, extruded on the spot
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
Abstract
The invention provides a production system of a high-strength low-permeability river course lining, which comprises a concrete paving device, wherein the concrete paving device comprises a guide rail arranged along a river course and a frame capable of walking along the guide rail, a concrete dividing groove is arranged on the frame, a dividing auger is arranged in the dividing groove along the length direction of the dividing groove, a concrete paving component is arranged below the concrete dividing groove, the concrete paving component comprises a paving bin, the paving bin is provided with a paving port, the bottom of the dividing groove is provided with a plurality of discharge ports communicated with the paving bin, the discharge ports are uniformly arranged at intervals along the conveying direction of the dividing auger, and a concrete vibrating device is arranged behind the paving port on the frame, so that air in the concrete can be effectively discharged, and the phenomenon of air holes and pits in the concrete layer caused by loose paving of the concrete layer is avoided, thereby improving the structural strength and waterproof performance of the concrete layer.
Description
Technical Field
The invention relates to the technical field of river lining systems, in particular to a production system of a high-strength low-permeability river lining.
Background
Along with the continuous development of modern cities, people have higher and higher environmental requirements, water systems become more important points of people, the river course is often required to be subjected to seepage prevention treatment under the precondition of meeting flood discharge, the primary building procedure of the seepage prevention treatment is to adopt concrete to be paved on the slope of the river course, the concrete is paved on the slope of the river course by adopting a distributing machine, then the concrete is vibrated by a vibrating device, the surface of the concrete is ground by a grinding device, but the concrete is conveyed to a ramp by adopting a conveying belt by adopting the conventional concrete distributing device, and then the concrete is pushed to be ground by a pushing shovel, so that the pavement of the concrete is realized, but the concrete paved by adopting the paving method is loose, air is easy to be doped between the concrete, air holes are easy to be generated in the concrete after the concrete is vibrated by the vibrating device, the strength and waterproof performance of the concrete layer are seriously influenced, and the paving device of the concrete layer is required to be improved, and the paving quality of the concrete layer is improved, and the structure strength and the waterproof performance of the concrete layer are improved.
Disclosure of Invention
In view of the above, the present application provides a production system of a river lining with high strength and low permeability, which is used for solving the technical problem set forth in the background technology.
The invention provides a production system of a high-strength low-permeability river course lining, which comprises a concrete paving device, wherein the concrete paving device comprises a guide rail arranged along a river course and a frame capable of walking along the guide rail, a concrete dividing groove is arranged on the frame, a dividing auger is arranged in the dividing groove along the length direction of the dividing groove, a concrete paving component is arranged below the concrete dividing groove, the concrete paving component comprises a paving bin, the paving bin is provided with a paving opening, the bottom of the dividing groove is provided with a plurality of discharge openings communicated with the paving bin, the discharge openings are uniformly arranged at intervals along the conveying direction of the dividing auger, and a concrete vibrating device is arranged behind the paving opening on the frame.
Further, the paving opening comprises an upper side plate, a first power expansion piece with one end connected with the upper side plate is arranged on the frame, and the first power expansion piece can drive the upper side plate to slide in the direction perpendicular to the paving surface so as to adjust the size of the paving opening.
Further, the concrete vibrating device comprises a vibrating plate in sliding fit with the upper side plate and a second power telescopic piece arranged on the frame, and the second power telescopic piece can drive the vibrating plate to move in a direction perpendicular to a paving surface.
Further, in order to ensure the structural strength of the concrete layer, wherein the distance between the vibration plate and the paving surface is L1, the thickness of the concrete layer flowing out from the paving opening is L2, the units are millimeter, l2=1.2l1-1.5l1, and the calculation method is as follows: l2= (f P) -1/2 *μ* L1*&2+L1, where P is the pressure of the concrete in the paving bin, in units ofPascal, mu is the filling coefficient of the concrete, f is the vibration frequency of the concrete vibrating device,&2 is an adjusting coefficient, and the value range is 1.52 multiplied by 10 2 –2.38×10 3 The value of L2 can be calculated according to the thickness L1 of the concrete layer to be paved actually, so that the first power telescopic rod and the second power telescopic rod are adjusted, the thickness of the concrete layer flowing out of a paving port can be scientifically calculated to be L2 in the mode, the strength and the waterproofness of the paved concrete layer are ensured, the pressure value P can be controlled through an extrusion assembly which is provided below, the pressure value P in a paving cabin is ensured to be constant, and the quality of the paved concrete layer is further ensured.
Further, still be provided with the extrusion subassembly between the subassembly that paves with divide the silo, the extrusion subassembly includes divide the silo below to follow divide the length direction interval setting of silo a plurality of extrusion storehouse, the extrusion storehouse be provided with the extrusion export that paves the storehouse intercommunication, with divide the feed inlet of silo intercommunication, slide the stripper plate that sets up in the extrusion storehouse and be used for the drive the reciprocating gliding driving piece of stripper plate, the discharge gate with the feed inlet one-to-one intercommunication.
Further, each extrusion bin comprises a first bin and a second bin, each first bin and each second bin are provided with an independent feed inlet and an extrusion outlet, each extrusion plate comprises a first extrusion plate and a second extrusion plate which are respectively arranged on the first bin and the second bin, and each driving piece comprises a first driving piece for driving a plurality of first extrusion plates to move and a second driving piece for driving a plurality of second extrusion plates to move.
Further, first driving piece includes first connecting plate, the second driving piece all includes the second connecting plate, first connecting plate and second connecting plate are all followed divide silo length direction to extend and set up, every first stripper plate all is provided with the first push rod that can stretch out first storehouse, and is a plurality of the second stripper plate is provided with the second push rod that can stretch out the second storehouse, a plurality of first push rod all with first connecting plate is connected, a plurality of the second push rod all with the second connecting plate is connected, one side that first push rod was kept away from to first connecting plate is provided with a plurality of first hydraulic push rods, one side that second push rod was kept away from to the second connecting plate is provided with a plurality of second hydraulic push rods.
Further, pressure detection devices are arranged between the first push rod and the first extrusion plate, and between the second push rod and the second extrusion plate.
The pressure detection device comprises an elastic plate arranged between the push rod and the extrusion plate, an installation through hole is formed in the elastic plate, a piezoresistor is arranged in the installation through hole, one face of the piezoresistor is in contact with the extrusion plate, the other face of the piezoresistor is in contact with the push rod, and two wiring ends of the piezoresistor are communicated with the resistance detector.
Further, each extrusion bin is provided with a first baffle plate for blocking concrete from entering and exiting from the feed inlet, a second baffle plate for blocking concrete from entering and exiting from the extrusion outlet, a first pushing member for driving the first baffle plate to alternately block the first bin and the second bin, and a second pushing member for driving the second baffle plate to alternately block the first bin and the second bin.
Further, the first baffle is arranged in the material dividing groove, the first pushing piece is a first sliding rod penetrating through the material dividing groove in the length direction of the material dividing groove, the first baffle is arranged on the first sliding rod at intervals, and the first sliding rod can slide back and forth along the axial direction so as to drive the first baffles to alternately shade two extrusion outlets which are arranged corresponding to each extrusion bin.
Further, the second pushing piece is a second sliding rod arranged in the paving bin and arranged along the length direction of the material dividing groove, the second baffle plates are arranged on the second sliding rod at intervals, and the second sliding rod can drive the second baffle plates to reciprocate along the axial direction so as to alternately shade the two discharge holes of each extrusion bin
Further, a plurality of partition boards are arranged at intervals along the length direction of the bottom of the material dividing groove, the partition boards divide the material dividing groove into a plurality of material dividing sections corresponding to the extrusion bins one by one, and the material dividing sections are arranged in one by two through the two material inlet of each extrusion bin and two material inlet of each extrusion bin.
Further, the concrete spreader further comprises a control system, the control system comprises a detection module, an analysis module and an execution module, the detection module comprises a plurality of pressure detection devices, the analysis module is used for receiving detection values of the pressure detection devices and analyzing the quantity of concrete in each extrusion cavity, and the execution module is used for controlling whether the vibrating device works or not, the walking speed of the concrete spreader and the working mode of the extrusion assembly according to analysis results of the analysis module.
The invention provides a production system of a river lining with high strength and low permeability, which can collect concrete entering a distribution bin from a discharge hole by arranging a paving bin, and arranging a concrete vibrating device on a frame, wherein the concrete in the paving bin can be vibrated by vibration generated when the vibrating device works so as to remove air in the paving bin, and the concrete flows out from the paving hole in the vibrating process, is paved on a riverbed of a river, and then vibrates a concrete layer again by the vibrating device, so that the air in the concrete can be effectively discharged, and the phenomenon of air holes and pits in the concrete layer caused by loose paving of the concrete layer is avoided, thereby improving the structural strength and waterproof performance of the concrete layer.
In addition, through setting up the size that the opening of spreading can be adjusted to first power telescopic link, can adjust the clearance between vibrating plate and the face of laying through the second power telescopic link to can adjust the thickness of laying concrete layer.
In addition, through setting up extrusion subassembly to can extrude concrete to the storehouse of spreading through extrusion subassembly in, guarantee to spread the pressure value P invariable in the in-process of spreading the concrete the cabin, thereby guarantee the homogeneity of concrete layer paving thickness, further assurance lays concrete layer's quality.
In addition, each extrusion bin is arranged to be a first extrusion bin and a second extrusion bin, and the first baffle plate and the second baffle plate are arranged, so that when concrete is extruded into the paving bin, the first baffle plate is used for shielding the first bin, the second baffle plate is used for shielding the second bin, the first hydraulic push rod is controlled to push the plurality of first extrusion plates to push out in the direction close to the paving opening, so that a certain pressure can be provided for the paving bin, during which concrete can enter the second bin from the material dividing bin to enable the second bin to be slidingly shielded by the plurality of first baffle plates, when the first extrusion plates move to be close to the feeding opening, the first sliding rods are controlled to move to drive the plurality of second baffle plates to shield the plurality of first bins, then the first hydraulic push rod is controlled to retreat, the second hydraulic push rod is controlled to push the plurality of second extrusion plates to push out in the direction close to the paving opening, the concrete is continuously provided for the paving bin, and the concrete pressure in the paving bin can be ensured, and during which the concrete can enter the first bin from the material dividing bin to enable the second bin to slide to shield the second bin, and the second bin to be continuously provided for paving.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings.
Fig. 1 is a schematic diagram of the overall structure of a production system of a high-strength low-permeability river lining.
Fig. 2 is a schematic cross-sectional structure of a production system of a river lining with high strength and low permeability.
Fig. 3 is a schematic top view of a distribution chute in a production system of a high-strength low-permeability river lining.
Fig. 4 is a schematic top view of an extrusion assembly in a production system of a high-strength low-permeability river lining according to the present invention.
Fig. 5 is a schematic structural diagram of a pressure detecting device arranged on an extrusion plate in a production system of a high-strength low-permeability river lining.
Fig. 6 is a schematic diagram of a partially enlarged structure at a position a in a production system of a high-strength low-permeability river lining.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
The invention provides a production system of a high-strength low-permeability river course lining, referring to fig. 1-6, as a specific implementation manner, the production system comprises a concrete paving device 1, wherein the concrete paving device 1 comprises a guide rail arranged along a river course and a frame 10 capable of walking along the guide rail, a concrete dividing groove 11 is arranged on the frame 10, a dividing auger 111 is arranged in the dividing groove 11 along the length direction of the dividing groove 11, a concrete paving component 12 is arranged below the concrete dividing groove 11, the concrete paving component 12 comprises a paving bin 121, a paving opening 1210 is arranged on the paving bin 121, a plurality of discharge openings 112 communicated with the paving bin 121 are arranged at the bottom of the dividing groove 11, the discharge openings 112 are uniformly arranged at intervals along the conveying direction of the dividing auger 111, and a concrete vibrating device 2 is arranged behind the paving opening 1210 on the frame 10.
Specifically, referring to fig. 1, when concrete paving is performed on the slope of a river course, firstly, rails are paved on the shoulder and the bottom of the river, the travelling mechanisms 4 at the two ends of the frame of the concrete paving device 1 are respectively arranged on two guide rails and the frame is adjusted to be parallel to the slope of the river course, so that the walking of the frame is realized, then the height of the frame is adjusted by the supporting hydraulic rods of the travelling mechanisms 4 to enable the paving port 1210 to be at a proper height from the slope of the river course, then concrete is conveyed into the dividing groove, the concrete is fully distributed into the dividing groove through auger work, the paving port 112 is used for collecting the concrete, the concrete vibrating device 2 is started to provide vibration to enable the concrete in the paving port to discharge part of air, then the concrete layer with a preset thickness flows out of the paving port 1210, the travelling mechanism works to drive the frame to move to enable the concrete layer to be uniformly paved on the slope of the river course, and the concrete vibrating device 2 is used for vibrating the concrete layer through the concrete layer, and the concrete layer is paved on the slope of the river course.
Further, as a preferred embodiment, the paving opening 1210 described with reference to fig. 1 and 6 includes an upper side plate 1211, and a first power expansion and contraction member 1212 having one end connected to the upper side plate 1211 is provided on the frame 10, and the first power expansion and contraction member 1212 can drive the upper side plate to slide in a direction perpendicular to the paving surface so as to adjust the size of the paving opening 1210.
Further, as a preferred embodiment, referring to fig. 1 and 6, the concrete vibrating device 2 includes a vibrating plate 21 slidably engaged with the upper side plate 1211, and a second power telescopic member 22 provided on the frame 10, and the second power telescopic member 22 is capable of driving the vibrating plate 21 to move in a direction perpendicular to a laying surface.
Further, in order to ensure the structural strength of the concrete layer, wherein the distance between the vibration plate and the paving surface is L1, the thickness of the concrete layer flowing out from the paving opening is L2, the units are millimeter, l2=1.2l1-1.5l1, and the calculation method is as follows: l2= (f P) -1/2 *μ* L1*&2+L1, wherein P is the pressure of the concrete in the paving bin, the unit pascal, mu is the filling coefficient of the concrete, f is the vibration frequency of the concrete vibrating device,&2 is an adjusting coefficient, and the value range is 1.52 multiplied by 10 2 –2.38×10 3 The value of L2 can be calculated according to the thickness L1 of the concrete layer to be paved actually, so that the first power telescopic rod and the second power telescopic rod are adjusted, the thickness of the concrete layer flowing out of a paving port can be scientifically calculated to be L2 in the mode, the strength and the waterproofness of the paved concrete layer are ensured, the pressure value P can be controlled through an extrusion assembly which is provided below, the pressure value P in a paving cabin is ensured to be constant, and the quality of the paved concrete layer is further ensured.
Further, an extrusion assembly 13 is further disposed between the paving assembly 12 and the material dividing groove 11, the extrusion assembly 13 includes a plurality of extrusion bins 131 disposed below the material dividing groove 11 along a length direction of the material dividing groove at intervals, the extrusion bins 131 are provided with extrusion outlets 1310 communicated with the paving bins 121, feed inlets 1311 communicated with the material dividing groove 11, extrusion plates 1312 slidably disposed in the extrusion bins 131, and driving members 1314 for driving the extrusion plates 1312 to reciprocally slide, and the discharge outlets 112 are communicated with the feed inlets 1311 in a one-to-one correspondence.
Further, referring to fig. 2 to 6, fig. 2 is a schematic structural view of a cross section of the frame in fig. 1, wherein the cross section is perpendicular to a paving surface and parallel to a length direction of a river channel, each of the extrusion chambers 131 includes a first chamber 131a and a second chamber 131b, the first chamber 131a and the second chamber 131b are provided with separate feed ports 1311 and extrusion outlets 1310, the extrusion plate 1312 includes a first extrusion plate 13120 and a second extrusion plate 13121 separated from the first chamber 131a and the second chamber 131b, and the driving member 1314 includes a first driving member 13141 for driving a plurality of the first extrusion plates 13120 to move and a second driving member 13142 for driving a plurality of the second extrusion plates 13121 to move.
Further, the first driving member includes a first connection plate 13143, the second driving member includes a second connection plate 13144, the first connection plate 13143 and the second connection plate 13144 are all arranged along the length direction of the material dividing groove 11 in an extending manner, each first extrusion plate 13120 is provided with a first push rod 13145 capable of extending out of the first bin, a plurality of second extrusion plates 13121 are provided with a second push rod 13146 capable of extending out of the second bin, a plurality of first push rods are all connected with the first connection plate 13143, a plurality of second push rods are all connected with the second connection plate, a plurality of first hydraulic push rods 13147 are arranged on one side of the first connection plate away from the first push rods, and a plurality of second hydraulic push rods 13148 are arranged on one side of the second connection plate away from the second push rods.
Further, a pressure detection device 3 is arranged between the first push rod and the first extrusion plate, and between the second push rod and the second extrusion plate.
The pressure detection device comprises an elastic plate 31 arranged between a push rod and an extrusion plate, an installation through hole 310 is formed in the elastic plate 31, a piezoresistor 32 is arranged in the installation through hole, one face of the piezoresistor is in contact with the extrusion plate, the other face of the piezoresistor is in contact with the push rod, and two wiring ends of the piezoresistor are communicated with a resistance detector.
Further, each of the extrusion chambers 131 is provided with a first baffle 132 for blocking the ingress and egress of concrete from the feed inlet 1311, a second baffle 133 for blocking the ingress and egress of concrete from the extrusion outlet 1310, a first pusher 134 for driving the first baffle 132 to alternately block the first and second chambers 131a and 131b, and a second pusher 135 for driving the second baffle 133 to alternately block the first and second chambers 131a and 131 b.
Further, the first baffle 132 is disposed in the material dividing groove 11, the first pushing member 134 is a sliding rod penetrating through the material dividing groove 11 along the length direction of the material dividing groove 11, the plurality of first baffles 132 are disposed on the sliding rod at intervals, and the sliding rod can slide reciprocally along the axial direction so as to drive the plurality of first baffles 132 to alternately shade two extrusion outlets 1310 disposed corresponding to each extrusion bin 131.
Further, the second pushing member 135 is a second sliding rod disposed in the paving bin 121 and along the length direction of the material dividing bin 11, the second baffles 133 are disposed on the second sliding rod at intervals, and the second sliding rod can reciprocally drive the second baffles 133 along the axial direction to alternately block the two material outlets 112 of each extrusion bin 131
Further, a plurality of partition plates 110 are disposed at intervals along the length direction of the bottom of the material dividing groove 11, the partition plates 110 divide the material dividing groove 11 into a plurality of material dividing sections 11a corresponding to the extrusion chambers 131 one by one, and two material inlets 1311 disposed in one-to-one communication with two material inlets 1311 of each extrusion chamber 131 are disposed in one material dividing section 11 a.
Example two
Further, the method for paving concrete in the production system of the river lining with high strength and low permeability provided by the invention comprises the following steps: firstly, paving guide rails on the river shoulder and the river bottom of a river channel, arranging a concrete paving device on the guide rails, adjusting the height of a frame to enable a paving opening to be at a proper distance from a paving surface, and adjusting a first power telescopic rod and a second power telescopic rod according to the thickness of concrete to be paved;
step two, the concrete paving device is adjusted to reset to an initial position, wherein the initial position is that a first extrusion plate and a second extrusion plate in a first bin and a second bin are away from an extrusion outlet 1310, each first baffle 132 and each second baffle 133 are used for shielding the first bin, and a running mechanism of a frame, the concrete vibrating device 2 and an auger are in a stop state;
step three, starting up after resetting, controlling the operation of the distributing auger 111 and the concrete vibrating device 2, conveying concrete into the distributing grooves, conveying the concrete into each second bin through the distributing auger, and then flowing out to the paving bin through an extrusion outlet of the second bin, so that the paving bin and the second bin are full of concrete, and discharging the concrete in the paving bin out of air through vibration force generated by the concrete vibrating device, so that the compactness of the concrete is ensured;
step four, controlling the first pushing piece 134 to work to drive the first baffle 132 to switch and shade the second bin, controlling the second hydraulic push rod 13148 to work to drive the second connecting plate 13144, pushing the second push rods by the second connecting plate to push the second push rods to move towards the direction close to the extrusion opening, pushing the concrete into the paving bin at a preset pressure F, controlling the travelling mechanism 4 of the frame to work, so that the concrete flows out of the concrete layer with a preset thickness from the paving opening, and then vibrating and compacting the concrete layer by the concrete vibrating device to remove air in the concrete layer again;
step five, when the second extrusion plate moves to the feed inlet 1311 of the second bin, the second hydraulic push rod drives the second extrusion plate to move in a direction away from the extrusion outlet, the first pushing piece 134 drives the first cover plate to shield the first bin again, the second push rod 135 drives the second baffle to shield the second bin, then the first hydraulic push rod is controlled to push the first connecting plate 13143 to move in a direction close to the extrusion outlet, the first connecting plate pushes the first push rods to push the first extrusion plates to move, concrete is continuously pushed into the paving bin at a preset pressure F, and when the first extrusion plate moves to the feed inlet, the first hydraulic push rod drives the first extrusion plate to move in a direction away from the extrusion outlet;
and step six, repeating the step four and the step five, so as to continuously provide concrete with stable pressure for the paving bin and ensure that the thickness of the concrete layer flowing out of the paving opening is consistent.
Further, in the fourth and fifth steps, the pressures of the first and second pressing plates are detected by the pressure detecting device 3, wherein the pressure detecting device 3 operates on the principle that: when the push rod pushes the extrusion plate to provide thrust to the concrete, the extrusion plate can extrude the elastic plate 31 to deform, so that the extrusion plate can provide pressure to the piezoresistor 32 to change the resistance value of the piezoresistor, and the size of the pressure provided by the extrusion plate is determined by detecting the resistance value of the piezoresistor.
Example III
Further, in the working process, the condition that the concrete quantity in the first cabin or the second cabin is insufficient due to the uneven concrete delivery may occur, and if the original laying speed is continuously maintained when the concrete quantity is insufficient, the uneven concrete layer laying may be caused, so that the laying quality of the concrete layer is affected, in order to avoid the phenomenon, the concrete laying quality is ensured, and the concrete laying device further comprises a control system, wherein the control system comprises a detection module, an analysis module and an execution module, the detection module comprises a plurality of pressure detection devices 3, the analysis module is used for receiving the detection values of the plurality of pressure detection devices 3, analyzing the quantity of the concrete in each extrusion cavity, and the execution module is used for controlling whether the vibrating device 2 works or not, the running speed of the concrete paving device 1 and the working mode of the extrusion assembly 13 according to the analysis result of the analysis module.
Specifically, the control method of the control system comprises the following steps: when the first push rods push the first extrusion plates to work, detecting the pressure born by each first extrusion plate through a pressure detection device, controlling the first hydraulic push rods to increase the pushing speed when the average value of the provided pressures is smaller than F, and controlling the speed to push at a constant speed when the average value of the provided pressures reaches F and the pressure born by the first extrusion plates is lower than 10 percent F+F; when the average value does not reach F but the pressure received by the first extrusion plate is greater than 10 percent F+F, the first bin is determined to be unevenly fed,
when the average pressure value still cannot reach F after the first hydraulic push rod is controlled to increase the pushing speed, determining that the current state is a material shortage state; when the state of material shortage or uneven feeding occurs, the first hydraulic push rod retracts and controls the travelling mechanism to slow down or stop.
When feeding is uneven, after the first hydraulic push rod retracts and the travelling mechanism is controlled to slow down or stop, the first pushing piece 134 and the second pushing piece 135 are controlled to work so that the first baffle plate opens the first bin, the second baffle plate shields the first bin, the second hydraulic push rod is enabled to work, concrete in the second bin is extruded into the paving bin, and the pressure value of each second extrusion plate is detected.
If the average pressure of the second extrusion plates reaches F and the pressure of each second extrusion plate is lower than 10 percent F+F, controlling the travelling mechanism to recover the travelling speed, adjusting the pushing speed of the second hydraulic push rod to maintain the average pressure of the second extrusion plates to F, and switching to the first bin after the extrusion of the concrete in the second bin is completed, and continuously paving the concrete;
if the average pressure received by the second extrusion plates reaches F and the pressure received by the second extrusion plates in early summer is higher than 10 percent F+F, the current uneven distribution is determined, the concrete vibrating device, the running mechanism and the distribution auger are controlled to stop working, and alarm information is sent out.
When the material shortage state occurs, after the first hydraulic push rod is retracted and the traveling mechanism is controlled to slow down or stop, the first pushing piece 134 and the second pushing piece 135 are controlled to work so that the first baffle plate opens the first bin, the second baffle plate shields the first bin, the second hydraulic push rod is enabled to work, concrete in the second bin is extruded into the paving bin, if the pressure value in the second bin can meet the requirement, the traveling mechanism is controlled to restore the original speed to perform paving work, and if the material shortage state also occurs in the second bin, the concrete vibrating device, the traveling mechanism and the material distributing auger are controlled to stop working, and alarm information is sent out.
The control system can automatically stop working or switch the working mode of the extrusion assembly 13 when the concrete is insufficient, so as to provide concrete with stable pressure in the paving bin, thereby keeping a stable pressure value P in the paving bin, and avoiding uneven paving of the concrete layer caused by overlarge uniform extrusion force; and the alarm is given in time when the materials are not fed and are unevenly distributed.
When an alarm signal appears, a constructor can manually start the concrete paving device according to the situation after the fault is removed, and the concrete paving device continuously works.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the invention referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the invention. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.
Claims (5)
1. The utility model provides a production system of high strength low infiltration river course lining, includes concrete paving device (1), its characterized in that, concrete paving device (1) include along the guide rail that the river course set up and can follow frame (10) that the guide rail walked, be provided with concrete branch silo (11) on frame (10), be provided with branch material auger (111) along its length direction in branch silo (11), the below of concrete branch silo (11) is provided with concrete paving subassembly (12), concrete paving subassembly (12) include shop (121), shop (121) are provided with shop opening (1210), the bottom of branch silo (11) be provided with a plurality of with shop opening (112) that the shop opening (121) communicates, a plurality of discharge opening (112) are followed the conveying direction of branch material auger (111) evenly spaced and are set up, be located on frame (10) the rear of shop opening (1210) is provided with concrete ramming device (2);
an extrusion assembly (13) is further arranged between the paving assembly (12) and the material distribution groove (11), the extrusion assembly (13) comprises a plurality of extrusion bins (131) arranged below the material distribution groove (11) at intervals along the length direction of the material distribution groove, the extrusion bins (131) are provided with extrusion outlets (1310) communicated with the paving bins (121), feed inlets (1311) communicated with the material distribution groove (11), extrusion plates (1312) slidingly arranged in the extrusion bins (131) and driving pieces (1314) for driving the extrusion plates (1312) to slide back and forth, and the discharge outlets (112) are communicated with the feed inlets (1311) in a one-to-one correspondence manner;
each extrusion bin (131) comprises a first bin (131 a) and a second bin (131 b), each of the first bin (131 a) and the second bin (131 b) is provided with a separate feed port (1311) and an extrusion outlet (1310), the extrusion plate (1312) comprises a first extrusion plate (13120) and a second extrusion plate (13121) which are respectively arranged on the first bin (131 a) and the second bin (131 b), and the driving member (1314) comprises a first driving member (13141) for driving a plurality of the first extrusion plates (13120) to move and a second driving member (13142) for driving a plurality of the second extrusion plates (13121) to move;
each extrusion bin (131) is provided with a first baffle (132) for blocking concrete from entering and exiting from the feed inlet (1311), a second baffle (133) for blocking concrete from entering and exiting from the extrusion outlet (1310), a first pushing member (134) for driving the first baffle (132) to alternately block the first bin (131 a) and the second bin (131 b), and a second pushing member (135) for driving the second baffle (133) to alternately block the first bin (131 a) and the second bin (131 b).
2. The production system of the high-strength low-permeability river course lining according to claim 1, wherein the paving opening (1210) comprises an upper side plate (1211), a first power telescopic piece (1212) with one end connected with the upper side plate (1211) is arranged on the frame (10), and the first power telescopic piece (1212) can drive the upper side plate to slide in a direction perpendicular to the paving surface so as to adjust the size of the paving opening (1210).
3. A production system of a high-strength low-permeability river course lining according to claim 2, characterized in that said concrete vibrating device (2) comprises a vibrating plate (21) in sliding fit with said upper side plate (1211), a second power telescopic member (22) provided on said frame (10), said second power telescopic member (22) being capable of driving said vibrating plate (21) to move in a direction perpendicular to the laying surface.
4. A production system for a high-strength low-permeability river lining according to any one of claims 1 to 3, wherein the first baffle plates (132) are arranged in the material dividing groove (11), the first pushing member (134) is a first sliding rod penetrating through the material dividing groove (11) along the length direction of the material dividing groove (11), a plurality of the first baffle plates (132) are arranged on the first sliding rod at intervals, and the first sliding rod can slide back and forth along the axial direction so as to drive a plurality of the first baffle plates (132) to alternately shade two discharge ports (112) arranged corresponding to each extrusion bin (131).
5. The production system of the high-strength low-permeability river course lining according to claim 4, wherein a plurality of partition plates (110) are arranged at the bottom of the dividing groove (11) along the length direction at intervals, the dividing groove (11) is divided into a plurality of dividing sections (11 a) corresponding to the extrusion bins (131) one by the plurality of partition plates (110), and two feeding holes (1311) which are arranged in one-to-one correspondence with two feeding holes (1311) of each extrusion bin (131) are arranged in one dividing section (11 a).
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