Concrete spraying construction device
By designing an automated spray concrete construction device, the spraying problem caused by the worker's handheld pressed nozzle is solved, and the automatic adjustment of the angle and horizontal direction of the pressed nozzle is achieved, which improves the construction efficiency and spray range.
Patent Information
- Application Number
- CN202422433218.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-10-09
AI Technical Summary
When the existing spray concrete construction device is in use, workers hold pressurized spray heads with handheld, causing uneven spraying, and workers are prone to fatigue when working for a long time, reducing construction efficiency.
A spray concrete construction device is designed, using a base plate, pressurized spray head, agitator drum, a pump and a motor-driven adjustment component. The motor controls the adjustment of the angle and horizontal direction of the pressurized spray head to achieve automatic spraying.
Automatic adjustment of the angle and horizontal direction of the pressurized nozzle is realized, which reduces workers' labor consumption and improves the efficiency and spray range of sprayed concrete construction.
Smart Images

Figure CN223075560U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of shotcrete, in particular to a shotcrete construction device. Background Art
[0002] Shotcrete construction is a construction method of spraying and pouring fine aggregate concrete with a pressure spray gun. It is often used for pouring thin-walled structures such as tunnel linings, walls, ceilings, etc., or linings of other structures and protective layers of steel structures. Shotcrete is formed by loading pre-prepared cement, sand, gravel, water and a certain amount of admixtures into a shotcreting machine, and using high-pressure air to send it to a pressure nozzle, where it is mixed with a quick-setting agent and then sprayed onto the surface of rocks or concrete at a very high speed.
[0003] However, in the prior art, when the shotcrete construction device is in use, most of the time, workers hold the pressure nozzle by hand. Manual holding may cause uneven spraying of concrete, and the workers' hands will feel tired after working for a long time. At this time, they need to rest or replace the workers, which indirectly reduces the efficiency of shotcrete construction. Content of the Utility Model
[0004] The purpose of the utility model is to solve the problems existing in the prior art.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a shotcrete construction device, comprising: a bottom plate and a pressure nozzle. A plurality of universal wheels are fixedly installed on the bottom surface of the bottom plate. One end of the top surface of the bottom plate is fixedly installed with a handle. A storage battery is embedded on the top surface of the bottom plate. A mixing barrel is fixedly installed on the top surface of the bottom plate. A control terminal is fixedly installed on the outer wall surface of the mixing barrel. A pumping pump is fixedly installed on the top surface of the bottom plate. The input end of the pumping pump is connected through the bottom end of the outer wall surface of the mixing barrel. The output end of the pumping pump is connected with a hose. The other end of the top surface of the bottom plate is embedded with a chassis through a bearing. An adjusting component is arranged on the top surface of the chassis. A rotating component is arranged on the outer wall surface of the chassis. The adjusting component comprises two support plates. The two support plates are symmetrically fixedly installed on the top surface of the chassis. A rotating rod is penetrated between the two support plates through a bearing.
[0006] As a preferred embodiment, a connecting block is fixedly installed on the outer wall surface of the rotating rod. The pressure nozzle is fixedly installed on the bottom surface of the connecting block. One end of the hose is connected through one end of the pressure nozzle. Gears are fixedly installed on both ends of the rotating rod. The two gears are correspondingly located outside the two support plates.
[0007] As a preferred embodiment, an L-shaped plate is fixedly installed on the top surface of the chassis, a first motor is fixedly installed on the top surface of the chassis, a threaded rod is fixedly installed at the output end of the first motor, the top end of the threaded rod is connected to the inner surface of the top wall of the L-shaped plate through a bearing, a movable block is threadedly connected to the surface of the threaded rod, one side surface of the movable block is in sliding fit with the inner wall surface of one side of the L-shaped plate, and the movable block moves by means of the threaded rod and the L-shaped plate.
[0008] As a preferred embodiment, L-shaped rods are fixedly installed on both side surfaces of the movable block, racks are fixedly installed on the end surfaces of both L-shaped rods, and the two racks and the two gears are correspondingly meshed with each other.
[0009] As a preferred embodiment, connecting plates are fixedly installed on the surfaces of both L-shaped rods, L-shaped support rods are fixedly installed on one side surfaces of both support plates, limiting plates are fixedly installed on the end surfaces of both L-shaped support rods, and one ends of both connecting plates are correspondingly and movably sleeved on the surfaces of both L-shaped support rods in a fitting manner.
[0010] As a preferred embodiment, the rotating assembly includes an arc-shaped plate, the arc-shaped plate is fixedly installed on the outer wall surface of the chassis, baffles are fixedly installed on the end surfaces of both ends of the arc-shaped plate, and a plurality of worm gear teeth are evenly fixedly installed on the outer wall surface of the arc-shaped plate.
[0011] As a preferred embodiment, two vertical plates are fixedly installed at the other end of the top surface of the bottom plate, a worm is connected between the two vertical plates through a bearing, the worm and the plurality of worm gear teeth are correspondingly meshed with each other, and a second motor is fixedly installed on one side surface of one of the vertical plates, and the output end of the second motor movably penetrates through one of the vertical plates and is fixedly connected to one end of the worm.
[0012] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:
[0013] 1. In this utility model, when it is necessary to adjust the spraying angle of the pressure nozzle, first add concrete to the inside of the mixing bucket, and then operate the first motor through the control terminal. The operation of the first motor drives the threaded rod to rotate. Since one side surface of the movable plate fits the inner wall surface of one side of the L-shaped plate, the rotation of the threaded rod causes the movable block to move. The movement of the movable block drives the movement of two L-shaped rods. The movement of the two L-shaped rods drives the movement of two connecting plates, causing the two connecting plates to slide on the surfaces of the two L-shaped support rods. At the same time, the movement of the two L-shaped rods drives the movement of two racks. The two racks and the two gears are correspondingly meshed with each other, so that the two gears rotate. The rotation of the two gears drives the rotation of the rotating rod. The rotation of the rotating rod drives the rotation of the connecting block. The rotation of the connecting block drives the rotation of the pressure nozzle. When the pressure nozzle reaches the appropriate angle, stop operating the first motor at this time and operate the pumping pump. The pumping pump pumps the concrete and sprays it out under pressure through the pressure nozzle. Through the cooperation of the above structure, the angle of the pressure nozzle can be adjusted, so that the spraying range of the pressure nozzle is larger. At the same time, the pressure nozzle does not need to be held by workers, reducing the consumption of labor and improving the efficiency of shotcrete construction.
[0014] 2. In this utility model, when it is necessary to adjust the horizontal direction of the pressure nozzle, first operate the second motor through the control terminal. The operation of the second motor drives the worm to rotate. The rotation of the worm is meshed with multiple worm wheel teeth, so that the arc-shaped plate rotates. The rotation of the arc-shaped plate drives the rotation of the chassis. The rotation of the chassis drives the rotation of the adjustment component. The rotation of the adjustment component drives the rotation of the pressure nozzle. When the pressure nozzle reaches the appropriate horizontal angle, stop operating the second motor at this time. Through the cooperation of the above structure, the horizontal angle of the pressure nozzle can be adjusted, further improving the spraying range of the shotcrete construction device. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a three-dimensional structure schematic diagram of a shotcrete construction device provided by the present utility model;
[0016] Figure 2 is a left-view structure schematic diagram of a shotcrete construction device provided by the present utility model;
[0017] Figure 3 is a structure schematic diagram of an adjustment component of a shotcrete construction device provided by the present utility model;
[0018] Figure 4 is a shotcrete construction device provided by the present utility model Figure 3 right-view structure schematic diagram;
[0019] Figure 5 is a structure schematic diagram of the chassis of a shotcrete construction device provided by the present utility model.
[0020] Legend:
[0021] 1. Bottom plate; 101. Universal wheels; 102. Handle; 2. Storage battery; 3. Mixing barrel; 4. Control terminal; 5. Suction pump; 501. Hose; 6. Chassis; 7. Pressurized nozzle; 8. Adjusting assembly; 801. Support plate; 802. Rotating rod; 803. Connecting block; 804. Gear; 805. L-shaped plate; 806. First motor; 807. Threaded rod; 808. Movable block; 809. L-shaped rod; 810. Rack; 811. Connecting plate; 812. L-shaped support rod; 9. Rotating assembly; 901. Arc plate; 902. Worm gear teeth; 903. Baffle; 904. Vertical plate; 905. Worm; 906. Second motor. Detailed implementation manner
[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0023] Please refer to Figures 1-5 , the present invention provides a technical solution: a shotcrete construction device, including: a bottom plate 1 and a pressurized nozzle 7. A plurality of universal wheels 101 are fixedly installed on the bottom surface of the bottom plate 1. One end of the top surface of the bottom plate 1 is fixedly installed with a handle 102. A storage battery 2 is embedded on the top surface of the bottom plate 1. A mixing barrel 3 is fixedly installed on the top surface of the bottom plate 1. A control terminal 4 is fixedly installed on the outer wall surface of the mixing barrel 3. A suction pump 5 is fixedly installed on the top surface of the bottom plate 1. The input end of the suction pump 5 is connected through the bottom end of the outer wall surface of the mixing barrel 3. The output end of the suction pump 5 is connected with a hose 501. The other end of the top surface of the bottom plate 1 is embedded with a chassis 6 through a bearing. An adjusting assembly 8 is arranged on the top surface of the chassis 6. A rotating assembly 9 is arranged on the outer wall surface of the chassis 6. The adjusting assembly 8 includes two support plates 801, and the two support plates 801 are symmetrically and fixedly installed on the top surface of the chassis 6. A rotating rod 802 passes through between the two support plates 801 through a bearing.
[0024] Specifically: The storage battery 2 provides power for all electrical components of the shotcrete construction device. The control terminal 4 plays a role in controlling the mixing barrel 3, the suction pump 5, the first motor 806 and the second motor 906.
[0025] In one embodiment, a connection block 803 is fixedly installed on the outer wall surface of the rotating rod 802, the pressure spray head 7 is fixedly installed on the bottom surface of the connection block 803, one end of the hose 501 and one end of the pressure spray head 7 are connected through penetration, and gear wheels 804 are fixedly installed on the surface of both ends of the rotating rod 802, and the two gear wheels 804 are correspondingly located outside the two support plates 801.
[0026] Specifically: The gear wheel 804 plays a role in driving the rotation of the rotating rod 802, and the pressure spray head 7 plays a role in pressurizing air to spray out the concrete.
[0027] In one embodiment, an L-shaped plate 805 is fixedly installed on the top surface of the chassis 6, a first motor 806 is fixedly installed on the top surface of the chassis 6, a threaded rod 807 is fixedly installed at the output end of the first motor 806, the top end of the threaded rod 807 is connected to the inner wall surface of the top of the L-shaped plate 805 through a bearing, a movable block 808 is threadedly connected to the surface of the threaded rod 807, one side surface of the movable block 808 is in sliding fit with the inner wall surface of one side of the L-shaped plate 805, and the movable block 808 moves by means of the threaded rod 807 and the L-shaped plate 805.
[0028] Specifically: One side surface of the movable block 808 is in sliding fit with the inner wall surface of one side of the L-shaped plate 805, so that the movable block 808 moves stably by means of the threaded rod 807 and the L-shaped plate 805.
[0029] In one embodiment, L-shaped rods 809 are fixedly installed on both side surfaces of the movable block 808, racks 810 are fixedly installed on the surface of one end of the two L-shaped rods 809, and the two racks 810 and the two gear wheels 804 are correspondingly meshed with each other.
[0030] Specifically: The rack 810 plays a role in driving the rotation of the gear wheel 804, and when the movable block 808 moves to the extreme positions at both ends, the two racks 810 are always meshed with the two gear wheels 804.
[0031] In one embodiment, connecting plates 811 are fixedly installed on the surface of the two L-shaped rods 809, L-shaped support rods 812 are fixedly installed on one side surface of the two support plates 801, limit plates (not marked in the figure) are fixedly installed on the surface of one end of the two L-shaped support rods 812, and one end of each of the two connecting plates 811 is correspondingly sleeved on the surface of the two L-shaped support rods 812 in a fitting manner.
[0032] Specifically: The connecting plate 811 plays a role in ensuring the stable movement of the two L-shaped rods 809, and the limit plate plays a role in preventing the connecting plate 811 from detaching from the L-shaped support rod 812.
[0033] In one embodiment, the rotating assembly 9 includes an arc-shaped plate 901 fixedly installed on the outer wall surface of the chassis 6. Baffles 903 are fixedly installed on both end surfaces of the arc-shaped plate 901, and a plurality of worm gears 902 are evenly fixedly installed on the outer wall surface of the arc-shaped plate 901.
[0034] Specifically: The two baffles 903 play a role in restricting the rotation of the chassis 6, enabling the chassis 6 to only rotate 90 degrees left and right, which plays a role in preventing wire entanglement.
[0035] In one embodiment, two vertical plates 904 are fixedly installed at the other end of the top surface of the bottom plate 1. A worm 905 is connected between the two vertical plates 904 through bearings. The worm 905 meshes with the plurality of worm gears 902 correspondingly. A second motor 906 is fixedly installed on one side surface of one of the vertical plates 904. The output end of the second motor 906 movably penetrates one of the vertical plates 904 and is fixedly connected to one end of the worm 905.
[0036] Specifically: The worm 905 plays a role in driving the rotation of the plurality of worm gears 902.
[0037] Working principle: When spraying shotcrete, the shotcrete spraying device can be moved to the construction operation point through the handle 102 and the universal wheels 101. When it is necessary to adjust the spraying angle of the pressure nozzle 7, first add concrete into the interior of the mixing barrel 3, and then operate the first motor 806 through the control terminal 4. The operation of the first motor 806 drives the threaded rod 807 to rotate. Since one side surface of the movable plate fits the inner wall surface of one side of the L-shaped plate 805, the rotation of the threaded rod 807 causes the movable block 808 to move. The movement of the movable block 808 drives the movement of two L-shaped rods 809. The movement of the two L-shaped rods 809 drives the movement of two connecting plates 811, causing the two connecting plates 811 to slide on the surfaces of the two L-shaped support rods 812. At the same time, the movement of the two L-shaped rods 809 drives the movement of two racks 810. The two racks 810 and the two gears 804 are correspondingly meshed with each other, so that the two gears 804 rotate. The rotation of the two gears 804 drives the rotation of the rotating rod 802. The rotation of the rotating rod 802 drives the rotation of the connecting block 803. The rotation of the connecting block 803 drives the rotation of the pressure nozzle 7. When the pressure nozzle 7 reaches the appropriate angle, stop operating the first motor 806 at this time and operate the pumping pump 5. The pumping pump 5 pumps the concrete and sprays it out under pressure through the pressure nozzle 7. Through the cooperation of the above structures, the angle of the pressure nozzle 7 can be adjusted, so that the spraying range of the pressure nozzle 7 is larger. At the same time, the pressure nozzle 7 does not need to be held by workers, reducing the consumption of labor and improving the efficiency of shotcrete construction; when it is necessary to adjust the horizontal direction of the pressure nozzle 7, first operate the second motor 906 through the control terminal 4. The operation of the second motor 906 drives the rotation of the worm 905. The rotation of the worm 905 is meshed with a plurality of worm gear teeth 902, so that the arc-shaped plate 901 rotates. The rotation of the arc-shaped plate 901 drives the rotation of the chassis 6. The rotation of the chassis 6 drives the rotation of the adjustment assembly 8. The rotation of the adjustment assembly 8 drives the rotation of the pressure nozzle 7. When the pressure nozzle 7 reaches the appropriate horizontal angle, stop operating the second motor 906 at this time. Through the cooperation of the above structures, the horizontal angle of the pressure nozzle 7 can be adjusted, further improving the spraying range of the shotcrete spraying device.
[0038] The above is only the preferred embodiment of the present invention, and it is not a limitation to the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims
1. A shotcrete construction device, characterized in that, Including: A bottom plate (1) and a pressurized spray head (7). A plurality of universal wheels (101) are fixedly installed on the bottom surface of the bottom plate (1). One end of the top surface of the bottom plate (1) is fixedly installed with a handle (102). A storage battery (2) is embedded in the top surface of the bottom plate (1). A stirring barrel (3) is fixedly installed on the top surface of the bottom plate (1). A control terminal (4) is fixedly installed on the outer wall surface of the stirring barrel (3). A pumping device (5) is fixedly installed on the top surface of the bottom plate (1). The input end of the pumping device (5) is connected through the bottom end of the outer wall surface of the stirring barrel (3). The output end of the pumping device (5) is connected with a hose (501). The other end of the top surface of the bottom plate (1) is embedded with a chassis (6) through a bearing. An adjusting assembly (8) is arranged on the top surface of the chassis (6). A rotating assembly (9) is arranged on the outer wall surface of the chassis (6). The adjusting assembly (8) includes two support plates (801). The two support plates (801) are symmetrically and fixedly installed on the top surface of the chassis (6). A rotating rod (802) passes through between the two support plates (801) through a bearing; Both ends of the surface of the rotating rod (802) are fixedly installed with gears (804); An L-shaped plate (805) is fixedly installed on the top surface of the chassis (6). A first motor (806) is fixedly installed on the top surface of the chassis (6). The output end of the first motor (806) is fixedly installed with a threaded rod (807). The top end of the threaded rod (807) is connected to the inner wall surface of the top of the L-shaped plate (805) through a bearing. An active block (808) is threadedly connected to the surface of the threaded rod (807); Both sides of the surface of the active block (808) are fixedly installed with L-shaped rods (809). One end of the surface of the two L-shaped rods (809) is fixedly installed with racks (810). The two racks (810) and the two gears (804) are correspondingly meshed with each other.
2. The shotcrete construction device according to claim 1, characterized in that: A connecting block (803) is fixedly installed on the outer wall surface of the rotating rod (802). The pressurized spray head (7) is fixedly installed on the bottom surface of the connecting block (803). One end of the hose (501) is connected through one end of the pressurized spray head (7). The two gears (804) are correspondingly located outside the two support plates (801).
3. The shotcrete construction device according to claim 1, wherein: One side surface of the active block (808) is in sliding fit with the inner wall surface of one side of the L-shaped plate (805). The active block (808) moves by means of the threaded rod (807) and the L-shaped plate (805).
4. The shotcrete construction device according to claim 1, wherein: Connecting plates (811) are fixedly installed on the surfaces of the two L-shaped rods (809). L-shaped support rods (812) are fixedly installed on one side surface of the two support plates (801). Limiting plates are fixedly installed on one end of the surface of the two L-shaped support rods (812). One end of each of the two connecting plates (811) is correspondingly and movably sleeved on the surfaces of the two L-shaped support rods (812).
5. The shotcrete construction device according to claim 1, characterized in that: The rotating assembly (9) includes an arc-shaped plate (901), the arc-shaped plate (901) is fixedly installed on the outer wall surface of the chassis (6), baffles (903) are fixedly installed on both end surfaces of the arc-shaped plate (901), and a plurality of worm gears (902) are evenly and fixedly installed on the outer wall surface of the arc-shaped plate (901).
6. The shotcrete construction device according to claim 5, characterized in that: On the other end of the top surface of the bottom plate (1), two vertical plates (904) are fixedly installed. A worm (905) is connected between the two vertical plates (904) through a bearing. The worm (905) and the plurality of worm gears (902) are correspondingly meshed with each other. On one side surface of one of the vertical plates (904), a second motor (906) is fixedly installed. The output end of the second motor (906) movably penetrates through one of the vertical plates (904) and is fixedly connected to one end of the worm (905).