WO2020147280A1

WO2020147280A1 - Concrete stirring apparatus for producing interlocking blocks

Info

Publication number: WO2020147280A1
Application number: PCT/CN2019/096110
Authority: WO
Inventors: 董朝明; 郭成超; 李小波; 陈海鸥; 刘玉娟; 张静; 任桂金; 张永兴; 徐浩; 马玉宝
Original assignee: 长江南京航道工程局
Priority date: 2019-01-17
Filing date: 2019-07-16
Publication date: 2020-07-23
Also published as: CN109531813A

Abstract

A concrete stirring apparatus for producing interlocking blocks, comprising a stirring tank (1), a bracket (2), a material storage tank (3), and a conveyor belt (4), the stirring tank (1) being mounted on the bracket (2), one side of the bracket (2) being provided with the material storage tank (3), the conveyor belt (4) being arranged obliquely between the material storage tank (3) and the stirring tank (1), the upper end of the conveyor belt (4) being overlapped on the stirring tank (1), a stirring shaft (5) being arranged horizontally inside the stirring tank (1), the two ends of the stirring shaft (5) respectively being connected to a bearing (6) mounted on the two sides of the stirring tank (1) and a rotating shaft of a stirring motor (7), stirring rods (8) being distributed alternately on the upper and lower ends of the stirring shaft (5), a first solenoid valve (9) being mounted at an outlet on the bottom of the stirring tank (1), a first-stage weighing hopper (11) being arranged exactly below the first solenoid valve (9), an oblique support plate (10) being arranged on the two sides of the first-stage weighing hopper (11), and one end of the oblique support plate (10) being welded to the bracket (2). Rapid stirring and rapid fixed-quantity distribution to a pouring module can be implemented, meeting the demands for rapid stirring and rapid supply of concrete raw materials.

Description

Concrete mixing device for interlocking block production

Technical field

The invention relates to the technical field of interlocking blocks and their production equipment, in particular to a concrete mixing device for the production of interlocking blocks.

Background technique

Interlocking block refers to the arrangement and combination of multiple round-cake-like concrete blocks connected in series and parallel by ropes. They are mainly used to stabilize the river bed after the riverbed at the bottom of the Yangtze River is renovated and repaired. , To protect the bottom riverbed structure and avoid problems such as excessive erosion of the riverbed.

However, the existing interlocking block has the following shortcomings in the production process:

1. The existing concrete mixing device for the production of interlocking blocks cannot achieve rapid and quantitative distribution of the mixed concrete to the pouring module, and cannot meet the requirements of rapid mixing and rapid supply of concrete raw materials.

2. The existing concrete mixing device for the production of interlocking blocks has a large amplitude and obvious shaking during use, and long-term movement can easily cause the parts of the mixing equipment to loosen and fall off, thereby causing equipment damage.

Summary of the invention

In view of the shortcomings of the prior art, the present invention provides a concrete mixing device for the production of interlocking blocks, which solves the problems that the prior art cannot achieve rapid concrete mixing and quantitative distribution and has poor shock absorption effect.

In order to achieve the above objective, the present invention provides the following technical solutions: a concrete mixing device for interlocking block production, comprising a mixing tank, a support, a storage tank and a conveyor belt, the mixing tank is installed on the support, and one side of the support A storage tank is provided, a conveyor belt is arranged obliquely between the storage tank and the mixing tank, the upper end of the conveyor belt is lapped on the mixing tank, and the inside of the mixing tank is horizontally provided with a mixing shaft. The two ends are respectively connected to the bearings installed on both sides of the mixing tank and the rotating shaft of the mixing motor. The upper and lower ends of the mixing shaft are staggered with mixing rods. The bottom outlet of the mixing tank is equipped with a first solenoid valve. The solenoid valve is provided with a first-stage weighing hopper directly at the lower end. Both sides of the first-stage weighing hopper are provided with diagonal bracing plates, one end of the diagonal bracing plate is welded and connected to the bracket, and the first-stage weighing hopper is installed on both sides A load cell, the bottom end of the first-level load cell is fixed on a diagonal brace, the bottom outlet of the first-level weighing hopper is connected with a guide tube, and the lower end of the guide tube is provided with a weighing frame, The two ends of the load-bearing frame are welded and connected to the bracket, the two-stage weighing hoppers corresponding to the discharge pipes are arranged side by side on the weighing frame, and the two ends of the two-stage weighing hopper are installed between the weighing frame There is a secondary load cell, a third solenoid valve is installed at the bottom outlet of the secondary weighing hopper, the bottom end of the third solenoid valve is connected with a discharge pipe, and the top of the bracket is installed between the stirring tank There is a shock absorption mechanism.

Preferably, the damping mechanism includes a spring sleeve, a spring, and a support plate, the spring sleeve is fixed on the upper end of the bracket, the spring is installed in the spring sleeve, and the upper end of the spring is provided with a support plate. The supporting plate is fixedly connected with the bottom end of the mixing tank.

Preferably, a PLC controller is installed on the bracket, and the PLC controller is respectively electrically connected to the first solenoid valve, the primary weighing sensor, the second solenoid valve, the secondary weighing sensor, and the third solenoid valve.

Preferably, the discharge tube is a rubber hose.

Preferably, sound and light alarms corresponding to the secondary weighing hopper are installed on one side of the weighing frame, and each of the sound and light alarms is installed on both sides of the corresponding secondary weighing hopper. The secondary load cell is electrically connected.

Preferably, the bottom surface of the mixing tank is slightly inclined downward from both sides toward the middle.

The invention provides a concrete mixing device for the production of interlocking blocks, which has the following beneficial effects:

(1) The present invention is equipped with a first-level weighing hopper, a first-level weighing sensor, a first-level weighing hopper and a second-level weighing sensor. When in use, the first-level weighing sensor can be roughly weighed in real time and discharged from the mixing tank to the first The weight of the concrete in the hopper is weighed. When the weight of the concrete in the mixing tank reaches the threshold set by the PLC controller, the first solenoid valve will automatically close under the control of the PLC controller. At the same time, turn on the second solenoid valve to discharge the concrete in the primary weighing hopper into the secondary weighing hopper. At this time, the secondary weighing sensors on both sides of the secondary weighing hopper can weigh in real time from the first weighing hopper. The concrete weight will be transmitted to the PLC controller in real time. When the sum of the weight measured by the two secondary load cells on both sides of the secondary weighing hopper reaches each interlocking block preset in the PLC controller When pouring the required concrete weight value of the mold, the PLC controller immediately controls the second solenoid valve on the corresponding guide tube to close, and the corresponding sound and light alarm alarms the pouring personnel at the same time, and then press the control button on the PLC controller to turn on Corresponding to the third solenoid valve at the bottom of the secondary weighing hopper, the quantitative concrete will be discharged along the discharge pipe into the interlocking block pouring mold, which solves the problem that the existing technology cannot achieve quantitative pouring;

(2) The present invention sets up a shock absorption mechanism. When in use, when the mixing motor drives the mixing shaft and the mixing rod to rotate to stir the concrete raw materials, the shock absorption spring in the shock absorption mechanism can be installed between the mixing tank and the support. The buffer greatly reduces the vibration wave transmitted to the support, greatly reduces the vibration amplitude during equipment operation, and solves the problems of poor shock absorption effect of the existing technology and short equipment life.

BRIEF DESCRIPTION

Figure 1 is a front view of the present invention;

Figure 2 is a rear view of the present invention;

Fig. 3 is an enlarged view of the structure at A in Fig. 2 of the present invention.

In the picture: 1. Mixing tank; 2. Support; 3. Storage tank; 4. Conveyor belt; 5. Stirring shaft; 6. Bearing; 7. Stirring motor; 8. Stirring rod; 9. First solenoid valve; 10. Diagonal support plate; 11. Level 1 weighing hopper; 12. Level 1 load cell; 13. Feed pipe; 14. Second solenoid valve; 16, Level 2 weighing hopper; 17, Level 2 load cell; 18. No. Three solenoid valves; 19. Discharge pipe; 20. Damping mechanism; 21. Spring sleeve; 22. Spring; 23. Support plate; 24. PLC controller; 25. Sound and light alarm.

detailed description

The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

As shown in Figures 1-3, the present invention provides a technical solution: a concrete mixing device for interlocking block production, comprising a mixing tank 1, a support 2, a storage tank 3 and a conveyor belt 4. The mixing tank 1 is installed on the support 2. On the top, one side of the support 2 is provided with a storage tank 3, and a conveyor belt 4 is arranged obliquely between the storage tank 3 and the mixing tank. The upper end of the conveyor belt 4 is overlapped on the mixing tank 1, and the inside of the mixing tank 1 is horizontally provided with mixing The two ends of the shaft 5 and the mixing shaft 5 are respectively connected with the bearings 6 installed on both sides of the mixing tank 1 and the rotating shaft of the mixing motor 7. The mixing rods 8 are staggered at the upper and lower ends of the mixing motor 7 and the bottom outlet of the mixing tank 1 A first solenoid valve 9 is installed at the place, the first solenoid valve 9 is provided with a first-level weighing hopper 11, and both sides of the first-level weighing hopper 11 are provided with diagonal bracing plates 10, and one end of the diagonal bracing plate 10 is welded to the bracket 2. , The first-level weighing hopper 11 is equipped with a first-level load cell 12 on both sides, the bottom end of the first-level load cell 12 is fixed on the diagonal brace 10, the bottom outlet of the first-level weighing hopper 11 is connected with a guide tube 13, The lower end of the guide tube 13 is provided with a weighing frame 15, and the two ends of the bearing frame 15 are welded to the bracket 2. The weighing frame 15 is provided with a two-stage weighing hopper 16 corresponding to the discharge pipe 19 side by side. A secondary weighing sensor 17 is installed between the two ends of the weighing hopper 16 and the weighing frame 15. A third solenoid valve 18 is installed at the bottom outlet of the secondary weighing hopper 16, and the bottom end of the third solenoid valve 18 is connected with a row. A shock-absorbing mechanism 20 is installed between the material pipe 19, the top end of the support 2 and the mixing tank 1. The shock-absorbing mechanism 20 includes a spring sleeve 21, a spring 22 and a support plate 23. The spring sleeve 21 is fixed on the upper end of the support 2, and the spring 22 Installed in the spring sleeve 21, the upper end of the spring 22 is installed with a support plate 23, the support plate 23 is fixedly connected to the bottom end of the mixing tank 1, and the bracket 2 is installed with a PLC controller 24, which is respectively connected to the first solenoid valve 9. The primary load cell 12, the second solenoid valve 14, the secondary load cell 17 and the third solenoid valve 18 are electrically connected. The models of the first solenoid valve 9, the second solenoid valve 14 and the third solenoid valve are all 18ZCT-6ZA, PLC controller 24 model is S7-200, discharge pipe 19 is rubber hose, one side of weighing frame 15 is installed with sound and light alarm 25 corresponding to secondary weighing hopper 16, Each acousto-optic alarm 25 is electrically connected to the secondary load cell 17 installed on both sides of the corresponding secondary weighing hopper 16. The models of the primary load cell 12 and the secondary load cell 17 are PTS124- 285G and PTS124-133G, the sound and light alarm 25 model is TGSG-07, the bottom surface of the mixing tank 1 tilts down slightly from both sides toward the middle.

When in use, the mixing motor 7 drives the mixing shaft 5 to convey the mixture from the conveyor belt 4 to the mixing tank 1 for mixing. After mixing, the concrete material is discharged to the first-level weighing hopper 11 by opening the first solenoid valve 9. The heavy sensor 12 can roughly weigh the concrete weight discharged from the mixing tank 1 to the first level weighing hopper 11 in real time. When the first level load cell 12 weighs the concrete weight in the mixing tank 1 to the internal setting of the PLC controller 24 Under the control of the PLC controller 24, the first solenoid valve 9 is automatically closed, and the second solenoid valve 14 is opened at the same time. The concrete in the primary weighing hopper 11 is discharged into the secondary weighing hopper 16. The secondary weighing sensors 17 on both sides of the level weighing hopper 16 can weigh the concrete weight separated from the first level weighing hopper 11 in real time, and transmit the information to the PLC controller 24 in real time. When the sum of the weight measured by the two secondary load cells 17 on the side reaches the concrete weight value preset in the PLC controller 24 for each interlocking block pouring mold, the PLC controller 24 immediately controls the corresponding guide tube The second solenoid valve 14 on 13 is closed, and at the same time the corresponding sound and light alarm 25 warns the pouring personnel, and then presses the control button on the PLC controller 24 to turn on the third solenoid valve 18 at the bottom of the corresponding secondary weighing hopper 16, quantitatively The concrete will be discharged along the discharge pipe 19 into the interlocking block pouring mold.

In summary, the present invention solves the problem that the existing technology cannot achieve rapid concrete speed by setting the first-level weighing hopper 11, the first-level weighing sensor 12, the shock absorption mechanism 20, the first-level weighing hopper 11, and the second-level weighing sensor 17. Stirring and quantitative distribution, and the problem of poor damping effect.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations There is any such actual relationship or order. Moreover, the terms "include", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also those not explicitly listed Or other elements that are inherent to this process, method, article, or equipment.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. And variations, the scope of the present invention is defined by the appended claims and their equivalents.

Claims

A concrete mixing device for interlocking block production, comprising a mixing tank (1), a support (2), a storage tank (3) and a conveyor belt (4), characterized in that: the mixing tank (1) is installed on the support ( 2), a storage tank (3) is arranged on one side of the support (2), and a conveyor belt (4) is arranged obliquely between the storage tank (3) and the mixing tank (1), and the conveyor belt ( The upper end of 4) is lapped on the mixing tank (1), the inside of the mixing tank (1) is provided with a mixing shaft (5) transversely, and both ends of the mixing shaft (5) are connected to the mixing tank (1). ) The bearings (6) on both sides and the rotating shaft of the stirring motor (7) are connected, the upper and lower ends of the stirring shaft (5) are staggered with stirring rods (8), and the bottom outlet of the stirring tank (1) is installed with A solenoid valve (9), the first solenoid valve (9) is provided with a first-level weighing hopper (11) directly at the bottom, and both sides of the first-level weighing hopper (11) are provided with diagonal bracing plates (10), so One end of the diagonal support plate (10) is welded to the bracket (2), and both sides of the first-level weighing hopper (11) are installed with a first-level load cell (12), and the first-level load cell (12) The bottom end is fixed on the diagonal support plate (10), the bottom outlet of the first-level weighing hopper (11) is connected with a guide tube (13), and the lower end of the guide tube (13) is provided with a weighing frame ( 15), the two ends of the load-bearing frame (15) are welded to the support (2), and the weighing frame (15) is provided with a secondary weighing hopper (16) corresponding to the discharge pipe (19) side by side. ), a secondary weighing sensor (17) is installed between the two ends of the secondary weighing hopper (16) and the weighing frame (15), and a second weighing sensor (17) is installed at the bottom outlet of the secondary weighing hopper (16) Three solenoid valve (18), the bottom end of the third solenoid valve (18) is connected with a discharge pipe (19), and a shock absorption mechanism (1) is installed between the top end of the bracket (2) and the stirring tank (1) 20).
The concrete mixing device for the production of interlocking blocks according to claim 1, characterized in that: the damping mechanism (20) comprises a spring sleeve (21), a spring (22) and a support plate (23), so The spring sleeve (21) is fixed on the upper end of the bracket (2), the spring (22) is installed in the spring sleeve (21), the upper end of the spring (22) is installed with a support plate (23), and the support The plate (23) is fixedly connected with the bottom end of the mixing tank (1).
The concrete mixing device for interlocking block production according to claim 1, characterized in that: a PLC controller (24) is installed on the bracket (2), and the PLC controller (24) is connected to the first The solenoid valve (9), the primary weighing sensor (12), the second solenoid valve (14), the secondary weighing sensor (17) and the third solenoid valve (18) are electrically connected.
The concrete mixing device for interlocking block production according to claim 3, characterized in that the discharge pipe (19) is a rubber hose.
A concrete mixing device for interlocking block production according to claim 1, characterized in that: one side of the weighing frame (15) is installed with a sound corresponding to the secondary weighing hopper (16). Light alarms (25), each of the sound and light alarms (25) is electrically connected with the secondary weighing sensors (17) installed on both sides of the corresponding secondary weighing hopper (16).
The concrete mixing device for interlocking block production according to claim 1, characterized in that: the bottom surface of the mixing tank (1) is slightly inclined downwards from both sides toward the middle.