Concrete pumping apparatus with concrete deceleration shock tank

Abstract

The application discloses a concrete pumping device with concrete deceleration vibration tanks, which comprises a concrete pumping vehicle, the concrete pumping vehicle is arranged on the ground and connected with a vertical conveying pipe through a pumping connecting pipe, the vertical conveying pipe is fixed on the side wall of a vertical structure through a side wall fixing clamp, the tail of the vertical conveying pipe is connected with a concrete pouring operation pipe, a plurality of concrete deceleration vibration tanks are arranged on the vertical conveying pipe in an intermittent mode, the flow direction of concrete can be changed through the internal structure of the concrete deceleration vibration tank, the kinetic energy of concrete can be effectively weakened by the mutual impact force among the multiple concrete streams, meanwhile, the passing efficiency of concrete in the concrete deceleration vibration tank is ensured by mechanical vibration, the aggregate segregation phenomenon of concrete under the condition of large falling distance can be effectively avoided, and the concrete pouring construction is suitable for the vertical falling distance of concrete.

Description

Technical Field

[0001] This invention relates to a concrete pumping device with a concrete deceleration vibrating tank, belonging to the technical field of concrete pouring construction equipment. Background Technology

[0002] In the structural pouring of long tunnels and ventilation shafts, concrete must overcome significant elevation differences during its pumping from the ground to the bottom of the shaft. Conventional concrete pumping pipes cannot effectively limit the acceleration of the pumped concrete as the drop increases. The high-speed descent of the pumped concrete can easily lead to problems such as aggregate segregation and rapid impact, adversely affecting the quality of the concrete pouring and construction safety. Since large vertical drop concrete pouring is relatively rare, there is currently a lack of effective solutions to these problems. Therefore, considering the flow characteristics of pumped concrete and the key points of concrete pumping pipe layout, providing a concrete pumping device with a concrete deceleration vibrating tank is of great practical significance. Summary of the Invention

[0003] Therefore, the object of the present invention is to provide a concrete pumping device with a concrete deceleration vibrating tank, so as to at least solve the problems mentioned in the background art.

[0004] The objective of this invention is achieved through the following technical solution:

[0005] A concrete pumping device with a concrete deceleration vibrating tank includes a concrete pumping truck, which is set on the ground and connected to a vertical transport pipe through a pumping connection pipe. The vertical transport pipe is fixed to the side wall of a vertical structure by a side wall fixing clip, and its tail end is connected to a concrete pouring operation pipe. Several concrete deceleration vibrating tanks are intermittently arranged on the vertical transport pipe. The concrete deceleration vibrating tanks are used to provide the dual effects of decelerating the pumped concrete fluid and vibrating and mixing it.

[0006] Furthermore, the concrete deceleration vibration tank includes a conical tank body, and a conical flow divider is provided inside the conical tank body. The conical flow divider is elastically connected to the inner wall of the conical tank body through several elastic support rods.

[0007] Furthermore, the concrete deceleration vibrating tank includes a conical tank body, and a conical flow divider core is connected to the conical tank body through several elastic support rods. A vibrating rotor is provided inside the conical flow divider core. The vibrating rotor is equipped with relevant electrical wires that are connected to the outside of the conical tank body and connected to the electrical signals of the external circuit.

[0008] Furthermore, the vertical transport pipe has a multi-segment splicing structure, and the concrete deceleration vibration tank is set at the splicing point of the two vertical transport pipe segments; and the upper end of the concrete deceleration vibration tank is connected to the upper vertical transport pipe in an outer sleeve manner, and the lower end is connected to the lower vertical transport pipe in an inner embedded manner.

[0009] Furthermore, the conical tank includes, from top to bottom, an upper outer threaded connecting pipe, a first upper cone, a first middle cylinder, a first lower reverse cone, and a lower inner threaded connecting pipe. Several first elastic connecting seats are evenly distributed circumferentially inside the first middle cylinder. The conical diverter core is connected to the first elastic connecting seats through an elastic support rod. A wire pre-reserved bracket is provided on the outside of the first middle cylinder, and the position of the wire pre-reserved bracket corresponds to the position of one of the first elastic connecting seats.

[0010] Furthermore, the slope angle α of the first upper cone is set to 60-70 degrees, and the slope angle β of the first lower reverse cone is set to 20-30 degrees.

[0011] Furthermore, the size of the conical flow divider core matches the conical tank body. The conical flow divider core includes a second upper cone, a second middle cylinder, and a second lower reverse cone connected sequentially from top to bottom. Several second elastic connecting seats with the positions of the first elastic connecting seats are provided on the outer side of the second middle cylinder.

[0012] Furthermore, the diameter of the second central cylinder should be slightly larger than the diameter of the vertical transport pipe, and less than 2 / 3 of the inner diameter of the first central cylinder.

[0013] Furthermore, the elastic support rod includes a central elastic material, an outer sealing sleeve wrapped around the outside of the central elastic material, and connecting brackets at both ends of the outer sealing sleeve.

[0014] Furthermore, the vibrating mechanism includes a rotating motor located at the center of the conical flow divider core. The rotating motor is rotatably connected to the inner wall of the conical flow divider core via a supporting shaft. The elastic support rod has a hollow structure, and the relevant wires pass through the elastic support rod, with one end of the relevant wires connected to the rotating motor and the other end connected to an external circuit. Eccentric rotating blocks are provided on both sides of the rotating motor, and the eccentricity of the eccentric rotating blocks is consistent. As the rotating motor operates, it drives the conical flow divider core to vibrate regularly up, down, left, and right.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] (1) This invention arranges concrete deceleration vibrating tanks at certain intervals in the middle of the concrete pumping pipe. The conical diversion core disperses the pumped concrete falling from the top of the pipe into several small streams of fluid. The concrete deceleration vibrating tanks change the direction of movement of the concrete fluid, so that the above-mentioned streams of concrete fluid collide and converge with each other below the concrete deceleration vibrating tanks. This can effectively reduce the kinetic energy of the concrete fluid and improve the mixing effect between the concrete fluid aggregates. This can effectively avoid the problem of aggregate segregation in the pumped concrete fluid under large drop height and effectively eliminate the safety hazards caused by the rapid impact of the pumped concrete fluid. It is especially suitable for concrete pouring construction with large vertical drop and improves the pouring quality.

[0017] (2) By setting a vibrating rotor inside the conical diversion core, the present invention can effectively improve the flow efficiency of concrete fluid in the concrete deceleration vibrating tank and have a good vibration mixing effect on the concrete fluid, which can further improve the uniformity between concrete aggregates; at the same time, it can effectively prevent the risk of concrete blockage in the concrete deceleration vibrating tank.

[0018] Other advantages, objectives, and features of the invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination, or may be learned from practice of the invention. The objectives and other advantages of the invention can be realized and obtained through the following description. Attached Figure Description

[0019] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will now be described in further detail with reference to the accompanying drawings, wherein:

[0020] Figure 1 This is a schematic diagram of the structure of the concrete pumping device with a concrete deceleration and vibration tank provided by the present invention.

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of the concrete deceleration vibrating tank provided in Embodiment 1 of the present invention;

[0022] Figure 3 for Figure 2 Schematic diagram of the conical tank structure;

[0023] Figure 4 for Figure 2 Schematic diagram of the installation structure of the conical tank;

[0024] Figure 5 This is a schematic diagram of the cone-shaped flow splitter core.

[0025] Figure 6 This is a schematic diagram of the structure of an elastic support rod;

[0026] Figure 7 This is a schematic diagram of the cross-sectional structure of the concrete deceleration vibrating tank provided in Embodiment 2 of the present invention;

[0027] Figure 8 for Figure 7 Schematic diagram of the conical tank structure;

[0028] Figure 9 for Figure 7 Schematic diagram of the installation structure of the conical tank;

[0029] Figure 10 A schematic diagram of the cross-section of the connection structure between the vibrating rotor and the conical flow divider core;

[0030] Figure 11 This is a schematic diagram of the cross-section of the connection structure between the vibratory rotor, the conical flow divider, and the conical tank.

[0031] In the diagram: 1. Concrete pump truck; 2. Pumping connection pipe; 3. Vertical transport pipe; 4. Side wall fixing clip; 5. Concrete pouring operation pipe; 6. Conical tank; 6.1. Upper outer sleeve threaded connection pipe; 6.2. First upper cone; 6.3. First middle cylinder; 6.4. First lower reverse cone; 6.5. Lower embedded threaded connection pipe; 6.6. Electrical wire pre-installed bracket; 6.7. First elastic connection seat; 7. Conical diverter core; 7.1. Second upper cone; 7.2. Second middle cylinder; 7.3. Second lower reverse cone; 7.4. Second elastic connection seat; 8. Elastic support rod; 8.1. Middle elastic material; 8.2. External sealing soft sleeve; 8.3. Connection bracket; 9. Vibration machine; 9.1. Support shaft; 9.2. Rotating motor; 9.3. Eccentric rotating block; 10. Related electrical wires. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Example 1

[0034] like Figure 1-6As shown, a concrete pumping device with a concrete deceleration vibrating tank includes a concrete pumping truck 1, which is set on the ground and connected to a vertical transport pipe 3 through a pumping connection pipe 2. The vertical transport pipe 3 is fixed to the side wall of a vertical structure by a side wall fixing clip 4, and its tail end is connected to a concrete pouring operation pipe 5. Several concrete deceleration vibrating tanks are intermittently arranged on the vertical transport pipe 3. The concrete deceleration vibrating tanks are used to provide the dual effects of decelerating the pumped concrete fluid and vibrating and mixing it.

[0035] The vertical transport pipe 3 is a multi-segment spliced ​​structure, and the concrete deceleration vibrating tank is installed at the splice of two segments of the vertical transport pipe 3.

[0036] The concrete deceleration vibrating tank includes a conical tank body 6, a conical flow divider core 7, and elastic support rods 8. The conical flow divider core 7 is disposed inside the conical tank body 6 and is elastically connected to the conical tank body 6 through several elastic support rods 8. When concrete enters the conical tank body 6, it is decelerated by the action of the conical flow divider core 7. At the same time, since the conical flow divider core 7 is fixed inside the conical tank body 6 through the elastic support rods 8, the impact force of the concrete will cause the conical flow divider core 7 to generate elastic vibration, thereby realizing the vibration mixing of the concrete.

[0037] The conical tank 6 includes an upper outer threaded connecting pipe 6.1, a first upper cone 6.2, a first middle cylinder 6.3, a first lower reverse cone 6.4, a lower embedded threaded connecting pipe 6.5, and a first elastic connecting seat 6.7. The upper outer threaded connecting pipe 6.1, the first upper cone 6.2, the first middle cylinder 6.3, the first lower reverse cone 6.4, and the lower embedded threaded connecting pipe 6.5 are connected sequentially from top to bottom to form an integral structure. There are at least four first elastic connecting seats 6.7, which are evenly distributed circumferentially inside the first middle cylinder 6.3. The conical flow divider 7 is connected to the first elastic connecting seat 6.7 through an elastic support rod 8.

[0038] The upper outer-fitting threaded connecting pipe 6.1 is connected to the upper vertical transport pipe 3 via an outer-fitting method, while the lower inner-fitting threaded connecting pipe 6.5 is connected to the lower vertical transport pipe 3 via an inner-fitting method. This design prevents cement grout from seeping into the pipe connection position, which could cause the threaded connection of the pipe to harden and fail.

[0039] The slope angle α of the first upper cone 6.2 is set to 60-70 degrees, and the slope angle β of the first lower reverse cone 6.4 is set to 20-30 degrees. The purpose of setting the α angle is to ensure the flowability of the concrete fluid, and the purpose of setting the β angle is to ensure the collision and mixing effect of multiple pumped concrete fluids at the confluence point.

[0040] The conical diverter core 7 includes a second upper cone 7.1, a second middle cylinder 7.2, a second lower reverse cone 7.3, and a second elastic connecting seat 7.4. The dimensions of the conical diverter core 7 match those of the conical tank 6. Specifically, the slope angle of the second upper cone 7.1 is consistent with that of the first upper cone 6.2, the height of the second middle cylinder 7.2 is consistent with that of the first middle cylinder 6.3, and the slope angle of the second lower reverse cone 7.3 is consistent with that of the first lower reverse cone 6.4. The second elastic connecting seats 7.4 are evenly distributed in a ring on the outer circumference of the second middle cylinder 7.2, and their positions correspond one-to-one with those of the first elastic connecting seats 6.7, so that the second elastic connecting seats 7.4 of the conical diverter core 7 are connected to the first elastic connecting seats 6.7 through elastic support rods 8.

[0041] The diameter of the second central cylinder 7.2 should be slightly larger than the diameter of the vertical transport pipe 3 and less than 2 / 3 of the inner diameter of the first central cylinder 6.3, so as to ensure that the direction of the pumped concrete fluid will inevitably change inside the concrete deceleration vibrating tank, and to ensure that the flow space inside the concrete deceleration vibrating tank is not less than that of the vertical transport pipe 3.

[0042] The elastic support rod 8 includes a central elastic material 8.1, an outer sealing soft sleeve 8.2, and connecting brackets 8.3 at both ends. The central elastic material 8.1 is a spring or other elastic material. The outer sealing soft sleeve 8.2 wraps around the outside of the central elastic material 8.1 to protect it and prevent cement slurry from seeping into it. The connecting brackets 8.3 are located at both ends of the outer sealing soft sleeve 8.2 and can be connected and locked to the first elastic connecting seat 6.7 and the second elastic connecting seat 7.4 respectively. Thus, the four elastic support rods 8 achieve an elastic connection between the conical tank 6 and the conical diversion core 7.

[0043] The working principle and process of the pumping device provided in this embodiment:

[0044] s1. Install the concrete pump truck 1, pumping connection pipe 2, vertical transport pipe 3, side wall fixing clip 4, concrete pouring operation pipe 5, and concrete deceleration vibrating tank in an orderly manner.

[0045] s2. The concrete pump truck 1 performs concrete pumping operations. When the concrete enters the conical tank 6, it is decelerated by the conical diversion core 7. At the same time, since the conical diversion core 7 is fixed to the inside of the conical tank 6 by the elastic support rod 8, the impact force of the concrete will cause the conical diversion core 7 to vibrate elastically, realizing the vibration mixing of the concrete. Finally, the worker operates the concrete pouring operation pipe 5 to carry out concrete pouring construction.

[0046] s3. As the structural pouring position changes, the vertical transport pipe 3 and the concrete deceleration vibrating tank are spliced ​​and lengthened, and then the structural pouring construction continues.

[0047] s4. After all the structures have been poured, all pipes and concrete deceleration vibrating tanks need to be cleaned, and the vertical transport pipe 3 and concrete deceleration vibrating tanks should be removed in an orderly manner from bottom to top.

[0048] Example 2

[0049] like Figure 7-11 As shown, based on Embodiment 1, the concrete deceleration vibrating tank includes a conical tank body 6, a conical flow divider core 7, elastic support rods 8, a vibrating motor 9, and related electrical wires 10. The conical flow divider core 7 is located inside the conical tank body 6 and is elastically connected to the conical tank body 6 through several elastic support rods 8. The elastic support rods 8 have a hollow structure. The vibrating motor 9 is located inside the conical flow divider core 7, and the related electrical wires 10 are connected to the outside of the conical tank body 6 through the gap in the middle of the elastic support rods 8, thereby realizing the electrical signal connection between the vibrating motor 9 and the external circuit.

[0050] The conical tank 6 includes an upper outer threaded connecting pipe 6.1, a first upper cone 6.2, a first middle cylinder 6.3, a first lower reverse cone 6.4, a lower embedded threaded connecting pipe 6.5, a wire pre-installed bracket 6.6, and a first elastic connecting seat 6.7. The upper outer threaded connecting pipe 6.1, the first upper cone 6.2, the first middle cylinder 6.3, the first lower reverse cone 6.4, and the lower embedded threaded connecting pipe 6.5 are connected sequentially from top to bottom to form a single integral structure. There are four first elastic connecting seats 6.7, evenly distributed circumferentially inside the first middle cylinder 6.3; one wire pre-installed bracket 6.6 is located outside the first middle cylinder 6.3, and the position of the wire pre-installed bracket 6.6 corresponds to the position of one of the first elastic connecting seats 6.7.

[0051] The vibrating rotor 9 includes a supporting shaft 9.1, a rotating motor 9.2, and eccentric rotating blocks 9.3. The supporting shaft 9.1 is located inside the second central cylinder 7.2 of the conical diverter 7 and is coaxial with the elastic support rod 8 and the wire pre-reserved bracket 6.6 to facilitate the arrangement of related wires 10. One end of the related wire 10 is connected to an external line, and the other end passes sequentially through the wire pre-reserved bracket 6.6, the conical tank 6, the first elastic connecting seat 6.7, the elastic support rod 8, the second elastic connecting seat 7.4, the conical diverter 7, and the supporting shaft 9.1, and then connects to the rotating motor 9.2. The rotating motor 9.2 is located in the middle of the supporting shaft 9.1, and two eccentric rotating blocks 9.3 are located on both sides of the rotating motor 9.2, with the eccentric direction of the eccentric rotating blocks 9.3 being consistent. Thus, as the rotating motor 9.2 operates, it drives the conical diverter 7 to vibrate regularly up, down, left, and right.

[0052] The aforementioned rotating motor 9.2 can be manually controlled by an external switch or automatically controlled by a related intelligent sensor switch arranged inside the concrete pumping pipe.

[0053] The working principle and process of the pumping device provided in this embodiment:

[0054] s1. Arrange the concrete pump truck 1, pumping connection pipe 2, vertical transport pipe 3, side wall fixing clip 4, concrete pouring operation pipe 5 and concrete deceleration vibrating tank in an orderly manner, and connect one end of the relevant wire 10 to the external line.

[0055] s2. Turn on the rotating motor 9.2 to put the concrete deceleration vibrating tank into a vibrating state. Then the concrete pump truck 1 pumps concrete through the new concrete pumping pipe. At the same time, the workers operate the concrete pouring operation pipe 5 to carry out concrete pouring construction.

[0056] s3. As the structural pouring position changes, the vertical transport pipe 3 and the concrete deceleration vibrating tank are spliced ​​and lengthened, and then the structural pouring construction continues.

[0057] s4. After all the structures have been poured, all pipes and concrete deceleration vibrating tanks need to be cleaned, and the vertical transport pipe 3 and concrete deceleration vibrating tanks should be removed in an orderly manner from bottom to top.

[0058] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments without departing from the technical solution of the present invention and based on the technical essence of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. A concrete pumping device with a concrete deceleration shock tank, comprising a concrete pumping vehicle (1) arranged on the ground and connected with a vertical conveying pipe (3) through a pumping connecting pipe (2), the vertical conveying pipe (3) is fixed on the side wall of a vertical structure through a side wall fixing clamp (4), and the tail thereof is connected with a concrete pouring operation pipe (5), characterized in that, Several concrete deceleration and vibration tanks are intermittently installed on the vertical transport pipe (3). The concrete deceleration and vibration tanks are used to provide the dual effects of decelerating the pumped concrete fluid and vibrating and mixing it. The concrete deceleration vibrating tank includes a conical tank body (6), and a conical flow divider (7) is provided inside the conical tank body (6). The conical flow divider (7) is elastically connected to the inner wall of the conical tank body (6) through several elastic support rods (8). A vibrating rotor (9) is provided inside the conical flow divider (7). The relevant wires (10) provided with the vibrating rotor (9) are connected to the outside of the conical tank body (6) and connected to the electrical signal of the external circuit.

2. The concrete pumping apparatus with a concrete deceleration shock tank according to claim 1, characterized in that, The vertical transport pipe (3) is a multi-segment splicing structure, and the concrete deceleration vibration tank is set at the splicing point of the two vertical transport pipes (3); and the upper end of the concrete deceleration vibration tank is connected to the upper vertical transport pipe (3) in an outer sleeve manner, and the lower end is connected to the lower vertical transport pipe (3) in an embedded manner.

3. The concrete pumping apparatus with a concrete deceleration shock tank according to claim 2, characterized in that, The conical tank (6) includes, from top to bottom, an upper outer threaded connecting pipe (6.1), a first upper cone (6.2), a first middle cylinder (6.3), a first lower reverse cone (6.4), and a lower embedded threaded connecting pipe (6.5). Several first elastic connecting seats (6.7) are evenly distributed circumferentially on the inner side of the first middle cylinder (6.3). The conical diverter core (7) is connected to the first elastic connecting seats (6.7) through an elastic support rod (8). A wire pre-reserved bracket (6.6) is provided on the outer side of the first middle cylinder (6.3), and the position of the wire pre-reserved bracket (6.6) corresponds to the position of one of the first elastic connecting seats (6.7).

4. The concrete pumping apparatus with a concrete deceleration shock tank according to claim 3, characterized in that, The slope angle α of the first upper cone (6.2) is set to 60-70 degrees, and the slope angle β of the first lower reverse cone (6.4) is set to 20-30 degrees.

5. The concrete pumping apparatus with a concrete deceleration shock tank according to claim 4, characterized in that, The size of the conical diversion core (7) matches the conical tank body (6). The conical diversion core (7) includes a second upper cone (7.1), a second middle cylinder (7.2) and a second lower reverse cone (7.3) connected from top to bottom. Several second elastic connecting seats (7.4) are provided on the outside of the second middle cylinder (7.2) and are opposite to the position of the first elastic connecting seat (6.7).

6. The concrete pumping apparatus with a concrete deceleration shock tank according to claim 5, characterized in that, The diameter of the second central cylinder (7.2) should be slightly larger than the diameter of the vertical transport pipe (3) and smaller than 2 / 3 of the inner diameter of the first central cylinder (6.3).

7. The concrete pumping apparatus with a concrete deceleration shock tank according to claim 1, characterized in that, The elastic support rod (8) includes a central elastic material (8.1), an outer sealing soft sleeve (8.2) is wrapped around the central elastic material (8.1), and connecting brackets (8.3) are provided at both ends of the outer sealing soft sleeve (8.2).

8. The concrete pumping apparatus with a concrete deceleration shock tank according to claim 1, characterized in that, The vibrating motor (9) includes a rotating motor (9.2) located at the center of the conical diverter (7). The rotating motor (9.2) is rotatably connected to the inner wall of the conical diverter (7) via a supporting shaft (9.1). The elastic support rod (8) is a hollow structure. The relevant wire (10) passes through the elastic support rod (8), and one end of the relevant wire (10) is connected to the rotating motor (9.2), while the other end is connected to an external line. Eccentric rotating blocks (9.3) are provided on both sides of the rotating motor (9.2), and the eccentric direction of the eccentric rotating blocks (9.3) is consistent. As the rotating motor (9.2) works, it drives the conical diverter (7) to vibrate regularly up, down, left, and right.

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