CN214616572U

CN214616572U - Concrete spraying trolley

Info

Publication number: CN214616572U
Application number: CN202023218992.5U
Authority: CN
Inventors: 乔彬; 张卫国; 李明玉; 李明明; 汤传彬; 冯文彬
Original assignee: Xuzhou XCMG Schwing Machinery Co Ltd
Current assignee: Xuzhou XCMG Schwing Machinery Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-05
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a concrete spraying trolley, which comprises a chassis assembly, a pumping system and an arm frame system which are arranged on the chassis assembly, the chassis is an engineering chassis, a conveying pipe assembly, an air path system and an additive system are also arranged on a chassis frame, the arm support system is rotationally connected with the frame and comprises a main arm capable of pitching up and down and a telescopic arm which is connected with the main arm and can perform pitching motion relative to the main arm, the free end of the telescopic arm is rotatably connected with the injection mechanism, the conveying pipe assembly comprises a conveying hard pipe, one end of the conveying hard pipe is connected with the pumping system, the other end of the conveying hard pipe is connected with the injection mechanism, the gas circuit system comprises an air compressor, the air compressor is connected with an injection mechanism through a one-way valve and a gas supply pipe, the additive system comprises an accelerator box, and the accelerator box is sequentially connected with an accelerator filter, a hose pump and a spraying mechanism through an accelerator conveying pipe. The utility model discloses can satisfy different construction operating modes, adapt to complicated topography, spray of high quality, improve the efficiency of construction.

Description

Concrete spraying trolley

Technical Field

The utility model relates to a concrete injection platform truck belongs to concrete injection equipment technical field.

Background

The full hydraulic concrete spraying trolley is an engineering machine integrating walking, concrete pumping and spraying into a whole, and is used for spraying concrete to an operation surface at a high speed and forming a concrete supporting layer through rapid setting and hardening. There are three general types of wet jet machines currently in use: the hand-held wet sprayer has poor quality of sprayed concrete, large resilience due to loose structure, poor working environment and high labor intensity of workers. The wet spraying machine for the automobile chassis is poor in passing performance, small in climbing capacity, large in turning radius, free of an air compressor and limited in operation site. The crawler-type wet spraying machine has the advantages of low speed, large turning radius, heavy weight, no air compressor, limited operation field and low working efficiency.

The existing spraying trolley is also connected with a spraying structure through an arm support system, but the arm support system has a small moving range, and concrete conveying pipes are mostly hoses, so that the spraying quality is poor.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Disclosure of Invention

The utility model aims to overcome not enough among the prior art, provide one kind and can adapt to complicated topography, satisfy the concrete injection platform truck of different construction operating modes, it sprays of high quality, improves the efficiency of construction, reduces workman intensity of labour.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

the concrete spraying trolley comprises a chassis assembly, a pumping system and an arm support system, wherein the pumping system and the arm support system are arranged on the chassis assembly, the chassis assembly is an engineering chassis and comprises a frame, a power system and a transmission system, a conveying pipe assembly, an air path system and an additive system are further arranged on the frame, the arm support system is rotatably connected to the frame and comprises a main arm capable of pitching up and down and a telescopic arm which is connected to the main arm and can perform pitching motion relative to the main arm, the free end of the telescopic arm is rotatably connected with a spraying mechanism, the conveying pipe assembly comprises a conveying hard pipe, one end of the conveying hard pipe is connected with a hopper of the pumping system, the other end of the conveying hard pipe is connected with the spraying mechanism, the air path system comprises an air compressor, the air compressor is connected with the spraying mechanism through a one-way valve and an air supply pipe, the additive system comprises an accelerator box, and the accelerator box is sequentially connected with an accelerator filter and an accelerator filter through an accelerator conveying pipe, A hose pump and a spray mechanism.

The conveying pipe assembly further comprises an inlet flange, a conveying hose, a U-shaped clamp and a pipeline support, one end of the conveying hard pipe is connected with the outlet end of a hopper of the pumping system through the inlet flange, the other end of the conveying hard pipe is connected with the inlet of the injection mechanism through the conveying hose, the conveying hard pipe is fixed on the pipeline support through the U-shaped clamp, the pipeline support is respectively installed on the hopper, the frame and the arm support system, and the conveying hose is hoisted on a telescopic arm of the arm support system through a drag chain and moves along with the telescopic arm.

The air supply pipe of the air path system is also provided with a pressure gauge and a pressure relief mechanism, and the pressure relief mechanism comprises a pressure relief valve and a branch pipe joint connected with an external air source. When the air pressure is higher than the set pressure, the pressure reducing valve is opened to release the pressure, the branch pipe joint can be externally connected with an air source to replace the air compressor, and the pressure gauge needs manual intervention on the air source pressure when the pressure is higher than the set value.

The accelerator box is also connected with a filling pump, and the filling pump extracts external accelerator to fill the accelerator box for supplement.

The air supply pipe and the accelerator conveying pipe are both hoses.

The boom system further comprises a rotary table connected with a rotary base on the frame through a rotary mechanism, the main arm is connected with the rotary table and the telescopic arm through a variable amplitude oil cylinder respectively to realize pitching of the main arm and the telescopic arm, the telescopic arm comprises a basic arm, a first telescopic arm and a second telescopic arm, the telescopic oil cylinder is arranged in the telescopic arm to realize stretching of the telescopic arm, and the injection mechanism is arranged on the second telescopic arm through a rotary oil cylinder to realize +/-180-degree rotation. The arm support system can move the spraying mechanism to the upper, lower, left and right directions, and the coverage range is wide.

The power system comprises an engine system and a motor system which are arranged on the frame, the transmission system is a hydraulic double-axle transmission system, the engine system drives the transmission system to work to realize the driving, steering and braking of the injection trolley, and the steering and crab running in a narrow tunnel space are met; the motor system powers the pumping system.

The front side and the rear side of the bottom of the frame are provided with hydraulic support legs, and the hydraulic support legs are supported during operation so as to realize the stability and the safety of the whole vehicle; a cab assembly is further mounted on the left front side of the frame, and a good visual field effect is guaranteed.

Still install waterway system on the frame, waterway system includes washing water pump, washing water tank, inlet channel and filter. The high-pressure cleaning water pump arranged on the frame pumps out clean water in the cleaning water tank, and the clean water is used for cleaning the appearance of the pipeline, the hopper and the whole machine after the operation of the concrete wet spraying machine through the pipeline, so that the phenomenon of pipe blockage caused by the fact that concrete stays in the hopper and the pipeline for a long time is avoided.

Compared with the prior art, the utility model discloses the beneficial effect who reaches:

(1) the utility model discloses an engineering chassis has good trafficability characteristic, cross-country type, operation travelling comfort, convenience and bigger climbing ability, can adapt to complicated topography, satisfies different construction operating modes.

(2) The utility model injects high-pressure compressed gas into the injection mechanism through the gas path system and the additive system, atomizes the accelerating agent by the high-pressure gas to be mixed with concrete, and finally blows the mixture out of the injection mechanism at high pressure; meanwhile, the conveying of the concrete adopts a conveying hard pipe, so that the spraying quality is improved, the labor intensity of workers is reduced, and the construction efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a side surface of a concrete spraying trolley according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of another side of the concrete spraying trolley according to the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the boom system according to the embodiment.

FIG. 4 is a schematic structural diagram of a delivery pipe assembly according to an embodiment.

Fig. 5 is a schematic structural diagram of the gas path system and the additive system according to the embodiment.

Fig. 6 is a partially enlarged schematic view of a in fig. 5.

FIG. 7 is a schematic structural diagram of a chassis assembly according to an embodiment.

In the figure: 1-chassis assembly, 101-frame, 102-power system, 1021-engine system, 1022-motor system, 103-transmission system, 104-hydraulic support leg, 105-cab assembly; 2-arm support system, 201-rotary table, 202-main arm, 203-telescopic arm, 204-variable amplitude oil cylinder, 205-telescopic oil cylinder and 206-rotary oil cylinder; 3-a conveying pipe assembly, 301-an inlet flange, 302-a conveying hard pipe, 303-a conveying hose, 304-a U-shaped clamp, 305-a pipeline bracket and 306-a drag chain; 4-gas path system, 401-air compressor, 402-check valve, 403-air pipe, 404-pressure gauge, 405-pressure reducing valve, 406-branch pipe joint; 5-an additive system, 501-an accelerator tank, 502-an accelerator delivery pipe, 503-an accelerator filter, 504-a hose pump and 505-a filling pump; 6-injection mechanism, 7-pumping system and 8-waterway system.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1

As shown in fig. 1 and 2, the concrete spraying trolley comprises a chassis assembly 1, and a pumping system 7 and an arm support system 2 which are arranged on the chassis assembly 1, wherein the chassis assembly 1 is an engineering chassis and comprises a frame 101, a power system 102 and a transmission system 103, the frame 101 is further provided with a conveying pipe assembly 3, a gas path system 4 and an additive system 5, the arm support system 2 is rotatably connected to the frame 101 and comprises a main arm 202 capable of tilting up and down and a telescopic arm 203 which is connected to the main arm 202 and can tilt relative to the main arm 202, the free end of the telescopic arm 203 is rotatably connected with a spraying mechanism 6, the conveying pipe assembly 3 comprises a conveying hard pipe 302, one end of the conveying hard pipe 302 is connected with a hopper of the pumping system 7, the other end of the conveying hard pipe 302 is connected with the spraying mechanism 6, the gas path system 4 comprises an air compressor 401, the air compressor 401 is connected with the spraying mechanism 6 through a one-way valve 402 and an air supply pipe 403, the additive system 5 comprises an accelerator box 501, the accelerator box 501 is sequentially connected with an accelerator filter 503, a hose pump 504 and a spraying mechanism 6 through an accelerator conveying pipe 502, and the air feed pipe 403 and the accelerator conveying pipe 502 are hoses.

As shown in fig. 3, the boom system 2 further includes a turntable 201 connected to a rotating base on the frame 101 through a rotating mechanism, the main arm 202 is connected to the turntable 201 and a telescopic arm 203 through a luffing cylinder 204, so as to realize pitching of the main arm 202 and the telescopic arm 203, the telescopic arm 203 includes a basic arm, a first telescopic arm and a second telescopic arm, a telescopic cylinder 205 is installed inside the telescopic arm 203 to realize telescoping of the telescopic arm 203, and the injection mechanism 6 is installed on the second telescopic arm through a rotating cylinder 206, so as to realize rotation of ± 180 °.

As shown in fig. 4, the conveying pipe assembly further includes an inlet flange 301, a conveying hose 303, a U-shaped clamp 304 and a pipeline support 305, one end of the conveying hard pipe 302 is connected with an outlet end of a hopper of the pumping system 7 through the inlet flange 301, the other end of the conveying hard pipe 302 is connected with an inlet of the spraying mechanism 6 through the conveying hose 303, the conveying hard pipe 302 is fixed on the pipeline support 305 through the U-shaped clamp 304, the pipeline support 305 is respectively installed on the hopper, the frame 101 and the boom system 2, and the conveying hose 303 is hung on the telescopic arm 203 of the boom system 2 through a drag chain 306 and moves along with the telescopic arm 2003.

As shown in fig. 5 and 6, the air pipe 403 of the air path system 4 is further provided with a pressure gauge 404 and a pressure relief mechanism, wherein the pressure relief mechanism includes a pressure relief valve 405 and a branch pipe joint 406 connected with an external air source. When the air pressure is higher than the set pressure, the pressure reducing valve 405 is opened to release the pressure, the branch pipe joint 406 can be externally connected with an air source to replace the air compressor, and the pressure gauge 404 displays that the air source pressure needs manual intervention when the air pressure is higher than the set value. The accelerator tank 501 is further connected with a filling pump 505, and the filling pump 505 pumps external accelerator to fill the accelerator tank 501 for supplement.

As shown in fig. 7, the power system 102 includes an engine system 1021 and a motor system 1022 installed on the frame 101, the transmission system 103 is a hydraulic double-axle transmission system, and the engine system 1021 drives the transmission system 103 to work to realize driving, steering and braking of the injection trolley, so as to meet steering and crab running in a narrow tunnel space; the motor system 1022 is coupled to power the pumping system 7. The front side and the rear side of the bottom of the frame 101 are respectively provided with a hydraulic support leg 104, and the hydraulic support legs 104 are supported during operation so as to realize the stability and the safety of the whole vehicle; a cab assembly 105 is further mounted on the left front side of the frame 101, and a good visual field effect is guaranteed.

Still install waterway system 8 on the frame 101, waterway system 8 includes washing water pump, washing water tank, inlet channel and filter. Clear water in the cleaning water tank is pumped out by a high-pressure cleaning water pump arranged on the frame 101 and is used for cleaning the appearance of a pipeline, a hopper and the whole machine after the operation of the concrete wet spraying machine through the pipeline, so that the phenomenon of pipe blockage caused by the fact that concrete stays in the hopper and the pipeline for a long time is avoided.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. A concrete spraying trolley comprises a chassis assembly (1), a pumping system (7) and an arm support system (2) which are arranged on the chassis assembly (1), and is characterized in that the chassis assembly (1) is an engineering chassis and comprises a frame (101), a power system (102) and a transmission system (103), the frame (101) is further provided with a conveying pipe assembly (3), an air path system (4) and an additive system (5), the arm support system (2) is rotatably connected to the frame (101) and comprises a main arm (202) capable of pitching up and down and a telescopic arm (203) which is connected to the main arm (202) and can pitch relative to the main arm (202), the free end of the telescopic arm (203) is rotatably connected with a spraying mechanism (6), the conveying pipe assembly (3) comprises a conveying hard pipe (302), one end of the conveying hard pipe (302) is connected with the pumping system (7), injection mechanism (6) is connected to the other end, gas circuit system (4) include air compressor machine (401), injection mechanism (6) is connected through check valve (402) and air feed pipe (403) in air compressor machine (401), additive system (5) include accelerator case (501), accelerator case (501) connect gradually accelerator filter (503), hose pump (504) and injection mechanism (6) through accelerator conveyer pipe (502).

2. The concrete spraying trolley according to claim 1, characterized in that the conveying pipe assembly further comprises an inlet flange (301), a conveying hose (303), a U-shaped clamp (304) and a pipeline support (305), one end of the conveying hard pipe (302) is connected with an outlet end of a hopper of the pumping system (7) through the inlet flange (301), the other end of the conveying hard pipe is connected with an inlet of the spraying mechanism (6) through the conveying hose (303), the conveying hard pipe (302) is fixed on the pipeline support (305) through the U-shaped clamp (304), the pipeline support (305) is respectively installed on the hopper, the frame (101) and the boom system (2), and the conveying hose (303) is hung on a telescopic arm (203) of the boom system (2) through a drag chain (306).

3. The concrete spraying trolley according to claim 1, wherein the air pipe (403) of the air path system (4) is further provided with a pressure gauge (404) and a pressure relief mechanism, and the pressure relief mechanism comprises a pressure relief valve (405) and a branch pipe joint (406) connected with an external air source.

4. The concrete spraying trolley according to claim 1, characterized in that the accelerator tank (501) is further connected with a filling pump (505), and the filling pump (505) pumps out external accelerator to be filled into the accelerator tank (501).

5. The concrete spraying trolley according to claim 1, characterized in that the air feed pipe (403) and the accelerator delivery pipe (502) are both hoses.

6. The concrete spraying trolley according to claim 1, wherein the boom system (2) further comprises a rotary table (201) connected with a rotary base on the frame (101) through a rotary mechanism, the main arm (202) is respectively connected with the rotary table (201) and a telescopic arm (203) through a luffing cylinder (204) to realize pitching of the main arm (202) and the telescopic arm (203), the telescopic arm (203) comprises a basic arm, a first extending arm and a second extending arm, a telescopic cylinder (205) is arranged inside the telescopic arm (203) to realize stretching of the telescopic arm (203), and the spraying mechanism (6) is mounted on the second extending arm through a rotary cylinder (206).

7. The concrete spraying trolley according to claim 1, wherein the power system (102) comprises an engine system (1021) and a motor system (1022) which are installed on the frame (101), the transmission system (103) is a hydraulic double-axle transmission system, the engine system (1021) drives the transmission system (103) to work to realize the driving, steering and braking of the spraying trolley, and the motor system (1022) is connected with a pumping system to provide power for the spraying trolley.

8. The concrete injection trolley according to claim 1, characterized in that hydraulic legs (104) are mounted on the front and rear sides of the bottom of the frame (101).

9. The concrete injection trolley according to claim 1, characterized in that a cab assembly (105) is further installed on the left front side of the frame (101).

10. The concrete spraying trolley according to claim 1, characterized in that a waterway system (8) is further installed on the frame (101), and the waterway system (8) comprises a cleaning water pump, a cleaning water tank, a water inlet pipeline and a filter.