Cantilever crane of concrete wet spraying trolley
By using a servo motor-driven telescopic boom and worm gear structure, the concrete wet spraying trolley boom nozzle can be easily disassembled and its angle adjusted, solving the problem of complex nozzle disassembly in existing technologies and improving construction efficiency and safety.
Patent Information
- Application Number
- CN202520820102.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-04-28
AI Technical Summary
The disassembly and cleaning of nozzles on existing concrete wet spraying trolley booms is complex, affecting construction efficiency and safety.
The telescopic arm and rotating sleeve structure driven by a servo motor, combined with a worm gear and a two-way threaded rod, enable convenient disassembly and assembly of the nozzle and angle adjustment, and fix the nozzle with a clamp.
It improves the efficiency of nozzle assembly and disassembly, simplifies the maintenance and cleaning process, enhances construction safety and adaptability, and can handle irrigation tasks in complex scenarios.
Smart Images

Figure CN223634719U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wet arm frame device technology field especially relates to a concrete wet spraying trolley arm frame. BACKGROUND
[0002] The concrete wet spraying machine is needed in the temporary and permanent support construction operation of the tunnel, the road, the building foundation pit and the underground engineering to protect the building surface and form the firm initial support layer, the artificial spraying needs to set up the scaffold to the large section tunnel, influences the construction progress, brings the potential safety hazard, and the labor and material are wasted, and because the dust concentration of the construction site seriously exceeds the standard, this can bring the serious harm to the health of the worker, can possibly cause the production of silicosis, therefore the concrete wet spraying trolley arm frame emerges as the times require, it can replace the artificial pouring concrete to the place of different height, can significantly improve the construction efficiency, reduce the cost and enhance the construction safety;
[0003] At present, in the existing device, the arm frame and the spray head are usually fixedly connected through some bolts and fixing frames, when the spray head needs to be overhauled and cleaned, the dismounting operation is often relatively complex and very inconvenient, based on this, the utility model is proposed. UTILITY MODEL CONTENT
[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, and provide a concrete wet spraying trolley arm frame which can overcome the above problems or at least partially solve the above problems.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A concrete wet spraying trolley arm frame, comprising a vehicle body, further comprising: a telescopic arm provided on the vehicle body, a supporting frame provided on the telescopic arm; a movable plate slidably connected to the supporting frame, a sliding pivot slidably connected to the movable plate, and a clamping jaw fixedly connected to the sliding pivot; a spray head for spraying concrete; the clamping jaw can clamp and fix the spray head.
[0007] Preferably, a rotating disc is rotatably connected to the vehicle body, and the telescopic arm is fixedly connected to the rotating disc.
[0008] Preferably, a protective shell is fixedly connected to the telescopic arm, a first servo motor is fixedly connected in the protective shell, and the output end of the first servo motor is fixedly connected with the supporting frame.
[0009] Preferably, a second servo motor is fixedly connected to one end of the supporting frame, a rotating sleeve is fixedly connected to the output end of the second servo motor, and the other end of the supporting frame is rotatably connected with the rotating sleeve, and the rotating sleeve is slidably connected with the sliding pivot.
[0010] Further, the sliding rotating shaft is fixedly connected with a stop block and a connecting plate respectively, the rotating sleeve is fixedly connected with a supporting plate, and the supporting plate is connected with the connecting plate through a compression spring.
[0011] Preferably, the supporting frame is rotatably connected with a bidirectional threaded rod, and the bidirectional threaded rod is connected with the movable plate through threads.
[0012] Further, the bidirectional threaded rod is fixedly connected with a worm gear, the supporting frame is fixedly connected with a fixed block, the fixed block is rotatably connected with a worm, and the worm is engaged with the worm gear.
[0013] Preferably, the nozzle is provided with a clamping groove, and the clamping groove is used for clamping the clamping jaw.
[0014] Compared with the prior art, the concrete wet spraying trolley boom has the following beneficial effects:
[0015] 1. The concrete wet spraying trolley boom can easily disassemble and maintain the nozzle by rotating the worm through the use of a sleeve wrench, driving the worm to rotate the worm gear and the bidirectional threaded rod, thereby adjusting the distance between the two movable plates.
[0016] 2. The concrete wet spraying trolley boom can reach the pouring position by adjusting the range through the cooperation of the rotating disc and the telescopic arm, and the first servo motor and the second servo motor can adjust the spraying angle of the nozzle, thereby ensuring that the nozzle can cope with any complex scene pouring task.
[0017] The parts not involved in the device are the same as or can be realized by the prior art, the device greatly improves the efficiency of disassembling and assembling the nozzle, facilitates the maintenance and cleaning of the nozzle, and the nozzle angle adjustment is diverse, which can cope with any complex scene pouring task. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 A structure diagram of the concrete wet spraying trolley boom is provided for the utility model;
[0019] Figure 2 A structure diagram of the supporting frame in the concrete wet spraying trolley boom is provided for the utility model;
[0020] Figure 3 A sectional view of the supporting frame in the concrete wet spraying trolley boom is provided for the utility model;
[0021] Figure 4 A concrete wet spraying trolley boom is provided for the utility model; Figure 1 An enlarged structure diagram of part A in the concrete wet spraying trolley boom is provided for the utility model;
[0022] Figure 5 The utility model provides a concrete wet spraying trolley arm support Figure 2 The structure schematic view of the spraying head in the concrete wet spraying trolley arm support is shown in the utility model.
[0023] Figure 6 The structure schematic view of the spraying head in the concrete wet spraying trolley arm support is shown in the utility model.
[0024] In the figure: 1, car body;11, rotating disc;12, telescopic arm;2, first servo motor;21, support frame;22, fixed block;23, protective shell;3, second servo motor;31, rotating sleeve;311, support plate;32, sliding pivot;321, clamping jaw;322, stop block;323, connecting plate;33, compression spring;4, movable plate;41, two-way threaded rod;42, worm wheel;43, worm;5, spraying head;51, clamping groove. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0026] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0027] Embodiment 1: Refer to Figures 1-6 A concrete wet spraying trolley arm support, comprising a car body 1, further comprising: a telescopic arm 12 is arranged on the car body 1, and a support frame 21 is arranged on the telescopic arm 12;The movable plate 4 is slidably connected to the support frame 21, the sliding pivot 32 is slidably connected to the movable plate 4, and the clamping jaw 321 is fixedly connected to the sliding pivot 32;The spraying head 5 is used for spraying concrete;The clamping jaw 321 can clamp and fix the spraying head 5, the rotating disc 11 is rotatably connected to the car body 1, the telescopic arm 12 is fixedly connected to the rotating disc 11, the protective shell 23 is fixedly connected to the telescopic arm 12, the first servo motor 2 is fixedly connected in the protective shell 23, the output end of the first servo motor 2 is fixedly connected with the support frame 21, one end of the support frame 21 is fixedly connected with the second servo motor 3, the output end of the second servo motor 3 is fixedly connected with the rotating sleeve 31, the other end of the support frame 21 is rotatably connected with the rotating sleeve 31, and the rotating sleeve 31 is slidably connected with the sliding pivot 32.
[0028] The utility model discloses, the car body 1 is equipped with the deceleration motor to drive rotary disc 11 to carry out rotation to be able to drive telescopic arm 12 to carry out wide range angle rotation, telescopic arm 12 can carry out telescopic and vertical direction angle adjustment, first servo motor 2 can drive support frame 21 to carry out rotation to be able to drive nozzle 5 to carry out horizontal direction angle adjustment, the sliding cavity in rotary sleeve 31 is polygonal and is established, the shape of the part of sliding pivot 32 sliding in rotary sleeve 31 and rotary sleeve 31 inner cavity is same, thereby when second servo motor 3 drives rotary sleeve 31 to rotate, rotary sleeve 31 can drive sliding pivot 32 to rotate, further can drive nozzle 5 to carry out angle adjustment in vertical direction, rotary disc 11 and telescopic arm 12 cooperate and carry out wide range adjustment to make nozzle 5 can reach irrigation position, first servo motor 2 and second servo motor 3 adjust the spray angle of nozzle 5, thereby can ensure that nozzle 5 can cope with any complex scene irrigation task, through sliding sliding pivot 32 can change the clamping state of jaw 321 to nozzle 5, thereby can easily dismount and install nozzle 5.
[0029] Embodiment 2: refer to Figures 1-6 , basically same with embodiment 1, further is: sliding pivot 32 is fixedly connected with stopper 322 and connecting plate 323 respectively, rotary sleeve 31 is fixedly connected with support plate 311, support plate 311 is connected with compression spring 33 between connecting plate 323, support frame 21 is rotatably connected with bidirectional screw rod 41, bidirectional screw rod 41 is connected with movable plate 4 through thread, bidirectional screw rod 41 is fixedly connected with worm wheel 42, support frame 21 is fixedly connected with fixed block 22, fixed block 22 is rotatably connected with worm 43, worm 43 is engaged with worm wheel 42, nozzle 5 is provided with clamping groove 51, and clamping groove 51 is used for clamping jaw 321.
[0030] In the utility model, the part of worm 43 extending to the outside is provided with a hexagonal nut, the user can rotate worm 43 by using a socket wrench, worm 43 drives worm wheel 42 and bidirectional screw rod 41 to rotate, thereby realizing the adjustment of the distance between the two movable plates 4, when the distance between the two movable plates 4 is enlarged, the movable plate 4 will move together with the sliding pivot 32 by extruding the stopper 322, thereby releasing the clamping of the jaw 321 to the nozzle 5, when the distance between the two movable plates 4 is reduced, the sliding pivot 32 and the jaw 321 will clamp and fix the nozzle 5 under the action of the compression spring 33, by setting the worm wheel 42 and the worm 43, on the one hand, the force used by the user when adjusting the movable plate 4 can be reduced, making it easier for the user to adjust, on the other hand, the self-locking structure of the worm wheel 42 and the worm 43 can ensure that the movable plate 4 will not displace when working;
[0031] By setting the clamping groove 51 on the spray head 5, the clamping jaw 321 can be more stable after clamping into the clamping groove 51, and the phenomenon that the clamping jaw 321 slips due to excessive recoil force generated when the spray head 5 suddenly sprays concrete is avoided.
[0032] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A concrete wet spraying boom comprising a car body (1), characterized in that, Also include: The vehicle body (1) is provided with telescopic arm (12), telescopic arm (12) is provided with support frame (21); The support frame (21) is slidably connected with the movable plate (4), and the movable plate (4) is slidably connected with the sliding shaft (32), and the sliding shaft (32) is fixedly connected with the jaw (321); Spray head (5), to spray concrete; The jaw (321) can clamp and fix the spray head (5).
2. A concrete wet spraying boom according to claim 1, characterised in that, The vehicle body (1) is rotatably connected with the rotating disc (11), and the telescopic arm (12) is fixedly connected with the rotating disc (11).
3. A concrete wet spraying boom according to claim 1, wherein, The telescopic arm (12) is fixedly connected with the protective shell (23), and the first servo motor (2) is fixedly connected in the protective shell (23), and the output end of the first servo motor (2) is fixedly connected with the support frame (21).
4. The concrete wet spray carriage boom of claim 1, wherein, One end of the support frame (21) is fixedly connected with the second servo motor (3), and the output end of the second servo motor (3) is fixedly connected with the rotating sleeve (31), and the other end of the support frame (21) is rotatably connected with the rotating sleeve (31), and the rotating sleeve (31) is slidably connected with the sliding shaft (32).
5. A concrete wet spraying boom according to claim 4, wherein, The sliding shaft (32) is fixedly connected with the stop block (322) and the connecting plate (323) respectively, the rotating sleeve (31) is fixedly connected with the supporting plate (311), and the supporting plate (311) is connected with the connecting plate (323) through the compression spring (33).
6. A concrete wet spray carriage boom as claimed in claim 1, wherein, The support frame (21) is rotatably connected with the bidirectional screw rod (41), and the bidirectional screw rod (41) is connected with the movable plate (4) through threads.
7. A concrete wet spray carriage boom according to claim 6, characterised in that, The bidirectional screw rod (41) is fixedly connected with the worm wheel (42), the support frame (21) is fixedly connected with the fixed block (22), the fixed block (22) is rotatably connected with the worm (43), and the worm (43) is engaged with the worm wheel (42).
8. A concrete wet spray carriage boom as claimed in claim 1, wherein, The spray head (5) is provided with a clamping groove (51), and the clamping groove (51) is used to be clamped with the jaw (321).