CN113123600A

CN113123600A - Concrete pump truck hopper metering device

Info

Publication number: CN113123600A
Application number: CN201911397155.2A
Authority: CN
Inventors: 王守忠
Original assignee: Xinxiang Dongfeng Xinda Heavy Industry Co ltd
Current assignee: Xinxiang Dongfeng Xinda Heavy Industry Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2021-07-16

Abstract

The invention discloses a concrete pump truck hopper metering device which comprises a hopper body, a metering cylinder, weighing sensors, guide rails and a PLC (programmable logic controller), wherein the metering cylinder is arranged in the hopper body, the four corners of the bottom of the metering cylinder are provided with metering cylinder support legs, the weighing sensors are correspondingly arranged right below the metering cylinder support legs, a weighing sensor fixing plate is arranged at the bottom of each weighing sensor, the weighing sensor fixing plate is welded on the inner wall of the hopper body, the bottom end of the metering cylinder is connected with a conical hopper, the bottom end of the conical hopper is provided with a discharging pipe, and a discharging electromagnetic valve is arranged on the discharging pipe. According to the invention, through arranging the metering cylinder, the weighing sensor, the guide rail, the first sliding door and the second sliding door, the problems that the existing concrete pump truck hopper does not have the function of automatically metering poured concrete, personnel cannot accurately master the concrete consumption, excessive pouring is easily caused, and resource waste is caused are solved.

Description

Concrete pump truck hopper metering device

Technical Field

The invention relates to the technical field of building construction, in particular to a concrete pump truck hopper metering device.

Background

In the building construction process, concrete is required to be poured into a fixed template, the template is removed after the concrete is formed and solidified to reach a certain strength, the large-scale pouring of the concrete is completed by a concrete pump truck, the concrete pump truck is a machine for continuously conveying the concrete along a pipeline by using pressure, and consists of a pump body, a conveying pipe and a hopper, the concrete pump truck is formed by modifying a truck chassis, a motion and power transmission device, a pumping device, a distributing device and other auxiliary devices are arranged on the chassis, the power of the concrete pump truck transmits the power of an engine to a hydraulic pump set or a rear axle through a power transfer case, a piston is pushed by a hydraulic pump to drive the concrete pump to work, then the concrete poured into the hopper is conveyed to a certain height and distance by using a distributing rod and a conveying pipe on the concrete pump truck, but the hopper of the existing concrete pump truck has a single function, concrete poured into the hopper cannot be metered, personnel cannot accurately master the concrete consumption, excessive pouring is easy, and resource waste is caused.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a concrete pump truck hopper metering device, which solves the problems that the existing concrete pump truck hopper does not have the function of automatically metering poured concrete, and personnel cannot accurately master the concrete consumption, so that excessive pouring is easily caused, and the resource waste is caused.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a concrete pump truck hopper metering device comprises a hopper body, a metering cylinder, weighing sensors, guide rails and a PLC (programmable logic controller), wherein the metering cylinder is arranged inside the hopper body, the four corners of the bottom of the metering cylinder are provided with metering cylinder support legs, the weighing sensors are correspondingly arranged right below the metering cylinder support legs, the bottom of each weighing sensor is provided with a weighing sensor fixing plate, the weighing sensor fixing plates are welded on the inner wall of the hopper body, the bottom end of the metering cylinder is connected with a conical hopper, the bottom end of the conical hopper is provided with a discharging pipe, a discharging electromagnetic valve is arranged on the discharging pipe, the guide rails are arranged above the metering cylinder, the left side and the right side of the upper end of each guide rail are respectively provided with a first sliding door and a second sliding door, the first sliding door and the second sliding door are connected with the guide rails in a sliding manner, electric push rods are arranged on the two sides of, electric putter's expansion end and sliding door fixed connection install the PLC controller on the outer wall of hopper body, the PLC controller respectively with weighing sensor, row material solenoid valve and electric putter electric connection, the upper end of PLC controller is installed and is kept off the material cover.

Preferably, the hopper mounting plate is installed to the rear end face of hopper body, and the tie-beam is installed to the rear end of hopper mounting plate, and the automobile body fixed plate is installed to the rear end of tie-beam, and automobile body fixed plate and hopper mounting plate pass through bolt respectively with automobile body and hopper body fixed connection.

Preferably, one end of the first sliding door facing the second sliding door is provided with a limiting groove body, one end of the second sliding door facing the first sliding door is provided with a limiting protrusion, and the limiting protrusion is in matched clamping connection with the limiting groove body.

Preferably, the bottom of hopper body is provided with the conveying pipeline, and one end setting is relative about the toper fill on the conveying pipeline connects the material mouth, and the other end setting of conveying pipeline is in the outside of hopper body, and installs the ring flange on the other end of conveying pipeline, and the conveying pipeline passes through the ring flange and is connected with the concrete placement pipeline.

Preferably, the receiving disc is installed on the top end of the hopper body above the first sliding door and the second sliding door, and the grid plate is installed inside the receiving disc.

Preferably, a material stopping plate is installed at one end, close to the vehicle body, of the upper end of the hopper body.

(III) advantageous effects

The invention provides a concrete pump truck hopper metering device, which has the following beneficial effects:

(1) the invention is provided with a metering cylinder, a weighing sensor, a discharge electromagnetic valve and a PLC (programmable logic controller), wherein the metering cylinder can collect concrete poured into a hopper body, then the weight change of the hopper body before and after the concrete is poured into the hopper body is monitored on line through the weighing sensors at the four corners of the bottom of the metering cylinder, finally the weight of the poured concrete is calculated through the weight change numerical value of the hopper body after the concrete is poured into the hopper body fed back by the weighing sensors of the PLC, when the weight of the concrete poured into the metering cylinder reaches the designed maximum value, under the control of the PLC, two electric push rods can push a first sliding door and a second sliding door to the middle along a guide rail, a discharge port of a receiving disc is closed, and simultaneously, the discharge electromagnetic valve is controlled to open a metering cylinder pipe filled with the concrete, the concrete is discharged and is conveyed to a construction site through a concrete pump, then repeat above-mentioned procedure and realize measuring and carrying the concrete in succession, personnel can observe the accumulative total conveying capacity of concrete according to the display on the PLC controller to in time stop concrete conveying when reaching the needs, so alright convenience people accurately control the pouring volume of concrete, avoid causing the waste of concrete, reduce construction cost for the enterprise.

(2) According to the invention, the guide rail, the first sliding door, the second sliding door and the electric push rod are arranged, the electric push rod can drive the first sliding door and the second sliding door to move on the guide rail under the control of the PLC, when the first sliding door and the second sliding door move relatively and are clamped, the conveying channel of concrete can be blocked, when the first sliding door and the second sliding door move oppositely on the guide rail, the conveying channel of concrete can be opened, the conveying of concrete can be normally carried out, and thus, the amount of concrete poured into the metering cylinder can be controlled through the first sliding door and the second sliding door, and the quantitative pouring of concrete can be conveniently carried out.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is an external view of the present invention;

fig. 3 is a schematic structural view of the guide rail of the present invention.

The reference numbers in the figures are: 1. a hopper body; 2. a hopper mounting plate; 3. a connecting beam; 4. a vehicle body fixing plate; 5. a metering drum; 6. a metering drum foot; 7. a weighing sensor; 8. a weighing sensor fixing plate; 9. a conical hopper; 10. a discharge pipe; 11. a discharge electromagnetic valve; 12. a material receiving port; 13. a delivery pipe; 14. a flange plate; 15. a guide rail; 16. a first sliding door; 17. a second sliding door; 18. an electric push rod; 19. a limiting groove body; 20. a limiting bulge; 21. a take-up pan; 22. a grid plate; 23. a material stopping plate; 24. a PLC controller; 25. the material blocking cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a concrete pump truck hopper metering device comprises a hopper body 1, a metering cylinder 5, weighing sensors 7, guide rails 15 and a PLC 24, wherein the metering cylinder 5 is arranged inside the hopper body 1, four corners of the bottom of the metering cylinder 5 are provided with metering cylinder support legs 6, the weighing sensors 7 are correspondingly arranged right below the metering cylinder support legs 6, the models of the weighing sensors 7 are PTS124-285G, the bottom of each weighing sensor 7 is provided with a weighing sensor fixing plate 8, the weighing sensor fixing plates 8 are welded on the inner wall of the hopper body 1, the bottom end of each metering cylinder 5 is connected with a conical hopper 9, the bottom end of each conical hopper 9 is provided with a discharge pipe 10, each discharge pipe 10 is provided with a discharge electromagnetic valve 11, the guide rails 15 are arranged above the metering cylinder 5, the left side and the right side of the upper end of each guide rail 15 are respectively provided with a first sliding door 16 and a second sliding door 17, the first sliding doors 16 and the second, the two sides of the first sliding door 16 and the second sliding door 17 are provided with electric push rods 18, the fixed ends of the electric push rods 18 are fixedly connected with the inner wall of the hopper body 1, the movable ends of the electric push rods 18 are fixedly connected with the sliding doors, a PLC (programmable logic controller) 24 is installed on the outer wall of the hopper body 1, the PLC 24 is respectively connected with the weighing sensor 7, the discharging electromagnetic valve 11 and the electric push rods 18, the model of the PLC 24 is S7-200, the material blocking cover 25 is installed at the upper end of the PLC 24, and the material blocking cover 25 can block concrete sprayed out when the materials are poured for the PLC 24.

Further, hopper mounting panel 2 is installed to the rear end face of hopper body 1, and tie-beam 3 is installed to the rear end of hopper mounting panel 2, and automobile body fixed plate 4 is installed to the rear end of tie-beam 3, and automobile body fixed plate 4 and hopper mounting panel 2 pass through the bolt respectively with automobile body and hopper body 1 fixed connection, alright put into use the tail end of installing hopper body 1 at the concrete pump truck like this.

Further, first sliding door 16 is provided with spacing cell body 19 towards one of second sliding door 17 to serve, and second sliding door 17 is provided with spacing arch 20 towards one of first sliding door 16 to serve, and spacing arch 20 cooperates the joint with spacing cell body 19 when first sliding door 16 closes towards second sliding door 17, can improve the sealed effect of first sliding door 16 towards second sliding door 17, avoids leaking the material.

Further, a conveying pipe 13 is arranged at the bottom of the hopper body 1, a material receiving port 12 opposite to the conical hopper 9 in the vertical direction is formed in one end of the conveying pipe 13, the other end of the conveying pipe 13 is arranged on the outer side of the hopper body 1, a flange 14 is installed at the other end of the conveying pipe 13, the conveying pipe 13 is connected with a concrete pouring pipeline through the flange 14, and the metered concrete can be smoothly sent into a pouring pipeline system through the conveying pipe 13.

Further, the take-up pan 21 is installed on the top of the top hopper body 1 of first sliding door 16 and second sliding door 17, and the take-up pan 21 can be with pouring into the concrete guide of hopper body 1 and get into the measurement section of thick bamboo 5 in and realize the measurement, and the internally mounted of take-up pan 21 has grid plate 22, and grid plate 22's setting can be avoided not broken large granule aggregate in the concrete to fall into hopper body 1 and cause the jam.

Further, the material stopping plate 23 is installed at one end, close to the car body, of the upper end of the hopper body 1, and the material stopping plate 23 is arranged to prevent concrete from being sprayed onto the concrete pump car when the concrete is poured into the hopper body 1.

Working principle; when in use, after the concrete in the concrete tank car is poured into the hopper body 1, the concrete is firstly received by the receiving disc 21, unqualified large aggregates are filtered by the grid plates 22 in the receiving disc 21, qualified aggregates fall into the measuring cylinder 5 through the bottom opening of the receiving disc 21, at the moment, the weighing sensors 7 arranged at the four corners of the bottom of the measuring cylinder 5 can monitor the weight of each part of the measuring cylinder 5 in real time on line and transmit the monitored weight value to the PLC 24, a calculation program in the PLC 24 collects the weighing information fed back by each weighing sensor 7 and calculates the weight of the concrete in the measuring cylinder 5, when the weight of the concrete poured into the measuring cylinder 5 reaches the designed maximum value of the measuring cylinder 5, the PLC 24 can control the two electric push rods 18 to be started simultaneously, the first sliding door 16 and the second sliding door 17 are pushed along the guide rail 15 to close the discharge opening of the receiving disc 21, and meanwhile, the discharge electromagnetic valve 11 is controlled to be opened to open the discharge pipe 10 of the metering cylinder 5 filled with concrete, the concrete is discharged and conveyed to a construction site through a concrete pump, the procedure is repeated to realize continuous metering and conveying of the concrete, and when the personnel observe that the accumulated conveying amount of the concrete displayed on the PLC 24 reaches a preset value, the concrete conveying is timely called to stop, so that the quantitative pouring of the concrete is realized.

In conclusion, the invention solves the problems that the existing concrete pump truck hopper does not have the function of automatically metering poured concrete, personnel cannot accurately master the concrete consumption, excessive pouring is easily caused, and resources are wasted by arranging the metering cylinder 5, the weighing sensor 7, the guide rail 15, the first sliding door 16 and the second sliding door 17.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a concrete pump truck hopper metering device, includes hopper body (1), a measuring section of thick bamboo (5), weighing sensor (7), guide rail (15) and PLC controller (24), its characterized in that: a measuring cylinder (5) is arranged in a hopper body (1), measuring cylinder support legs (6) are arranged at four corners of the bottom of the measuring cylinder (5), weighing sensors (7) are correspondingly arranged under the measuring cylinder support legs (6), a weighing sensor fixing plate (8) is arranged at the bottom of each weighing sensor (7), the weighing sensor fixing plate (8) is welded on the inner wall of the hopper body (1), a conical hopper (9) is connected to the bottom end of the measuring cylinder (5), a discharging pipe (10) is arranged at the bottom end of the conical hopper (9), a discharging electromagnetic valve (11) is arranged on the discharging pipe (10), a guide rail (15) is arranged above the measuring cylinder (5), a first sliding door (16) and a second sliding door (17) are respectively arranged on the left side and the right side of the upper end of the guide rail (15), and the first sliding door (16) and the second sliding door (17) are in sliding connection with the guide, the both sides of first sliding door (16) and second sliding door (17) are provided with electric putter (18), the stiff end and hopper body (1) inner wall fixed connection of electric putter (18), the expansion end and the sliding door fixed connection of electric putter (18), install PLC controller (24) on the outer wall of hopper body (1), PLC controller (24) respectively with weighing sensor (7), arrange material solenoid valve (11) and electric putter (18) electric connection, material blocking cover (25) are installed to the upper end of PLC controller (24).

2. The concrete pump truck hopper metering device of claim 1, wherein: hopper mounting panel (2) are installed to the rear end face of hopper body (1), and tie-beam (3) are installed to the rear end of hopper mounting panel (2), and automobile body fixed plate (4) are installed to the rear end of tie-beam (3), and automobile body fixed plate (4) and hopper mounting panel (2) pass through the bolt respectively with automobile body and hopper body (1) fixed connection.

3. The concrete pump truck hopper metering device of claim 1, wherein: one end of the first sliding door (16) facing the second sliding door (17) is provided with a limiting groove body (19), one end of the second sliding door (17) facing the first sliding door (16) is provided with a limiting protrusion (20), and the limiting protrusion (20) is matched and clamped with the limiting groove body (19).

4. The concrete pump truck hopper metering device of claim 1, wherein: the bottom of hopper body (1) is provided with conveying pipeline (13), and conveying pipeline (13) are gone up one end and are set up and connect material mouth (12) relative from top to bottom with toper fill (9), and the other end setting of conveying pipeline (13) is in the outside of hopper body (1), and installs ring flange (14) on the other end of conveying pipeline (13), and conveying pipeline (13) are connected with the concrete placement pipeline through ring flange (14).

5. The concrete pump truck hopper metering device of claim 1, wherein: a receiving tray (21) is installed at the top end of the hopper body (1) above the first sliding door (16) and the second sliding door (17), and a grid plate (22) is installed inside the receiving tray (21).

6. The concrete pump truck hopper metering device of claim 1, wherein: a material stopping plate (23) is arranged at one end of the upper end of the hopper body (1) close to the car body.