Maintenance trolley
By designing components such as electric wheel frames, telescopic hydraulic cylinders, and bellows on the maintenance trolley, the problem of adjusting the height of the spray pipe was solved, enabling flexible adaptation of the nozzles and uniform spraying, adapting to changes in tunnel cross-section, and improving the spraying effect.
Patent Information
- Application Number
- CN202520608576.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-04-02
AI Technical Summary
The existing maintenance trolley has difficulty adjusting the height of the spray pipe, resulting in the nozzle height not adapting to changes in the tunnel cross-section and affecting the spraying effect.
A structure was designed that includes an electric wheel frame, bottom longitudinal beam, end frame, middle frame, scissor brace, steel ladder, step platform, support frame, telescopic hydraulic cylinder and spray pipe. The height adjustment of the spray pipe and nozzle is achieved by combining the step platform and support frame. The left and right swing and height adaptation of the nozzle are achieved by combining the use of corrugated pipe and telescopic hydraulic cylinder.
The height of the spray pipes and nozzles is adjustable to adapt to changes in tunnel cross-section and maintain the uniformity and efficiency of the spraying effect.
Smart Images

Figure CN223724626U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a tunnel construction field especially relates to a maintenance trolley. BACKGROUND
[0002] Such as China utility model patent announcement number CN 213392193 U, disclose a kind of subway station multifunctional full-automatic maintenance trolley.Forwards maintenance trolley, widening maintenance trolley and column side maintenance trolley, forwards maintenance trolley, widening maintenance trolley and column side maintenance trolley are equipped with platform frame, spraying system and walking system, spraying system includes water tank, fogging main machine and spraying pipe, water tank is set in the bottom layer of platform frame, fogging main machine is set in the side of water tank, spraying pipe is arranged in the periphery of forwards maintenance trolley, water tank, fogging main machine and spraying pipe are communicated by water pipe, walking system is set in the bottom of forwards maintenance trolley, widening maintenance trolley and column side maintenance trolley respectively.It is inconvenient to adjust the height of spray head. UTILITY MODEL CONTENTS
[0003] The utility model solves the technical problem to provide a kind of maintenance trolley, it is convenient to adjust the height of spraying pipe, to adjust the height of spray head, it is favorable to adapt to tunnel cross section change, keep spraying effect.
[0004] To solve the above-mentioned problems and adopt a kind of maintenance trolley, it includes:
[0005] Electric wheel frame, it is set apart left and right, and it is set apart front and back;
[0006] Bottom longitudinal beam, its front and back ends are respectively installed in the top surface of electric wheel frame in front and back position;
[0007] End door frame, it is set apart front and back, and its stand is fixed on bottom longitudinal beam;
[0008] Middle door frame, it is set apart between two end door frames;
[0009] Scissors support, it is fixedly connected in the side of end door frame and middle door frame;
[0010] First steel ladder, it is set in the side of end door frame and middle door frame;
[0011] Ladder platform, it is fixedly connected on end door frame and middle door frame;
[0012] Support frame, it is fixedly connected on ladder platform with interval, and height difference is formed in the form of distribution along the height of ladder platform;
[0013] First telescopic hydraulic cylinder, it is fixed on support frame;
[0014] Spraying pipe, it is arc-shaped, and fixed on the telescopic end of first telescopic hydraulic cylinder, and spray head is distributed with interval on it;
[0015] A water tank is arranged on the bottom longitudinal beam and is communicated with the spray pipe.
[0016] With the structure, the stepped platform is convenient to install the support frame with height difference, and the top beam of the support frame can be adjusted to be inclined on the low step to adapt to the arc-shaped spray pipe according to the installation position.
[0017] As a further improvement of the utility model, the first steel ladder is distributed with a first platform.
[0018] With the structure, the first platform is convenient to transition.
[0019] As a further improvement of the utility model, the front end departmental frame is provided with a second steel ladder in front.
[0020] With the structure, the second steel ladder is convenient for the operator to get on from the front end.
[0021] As a further improvement of the utility model, the spray head bottom end is connected with a corrugated pipe, the corrugated pipe is communicated with the spray pipe, a support rod is fixed on the spray pipe, a second telescopic hydraulic cylinder is fixed on the support rod, a mounting plate is fixed on the telescopic end of the second telescopic hydraulic cylinder, and the spray head is mounted on the mounting plate.
[0022] With the structure, the spray head is convenient to swing left and right, the spraying is more uniform, and the maintenance effect is improved.
[0023] As a further improvement of the utility model, the second steel ladder lower end is fixed with a second platform.
[0024] With the structure, the second platform is connected with the bottom frame body, and the operator is convenient to get on from the bottom frame body.
[0025] As a further improvement of the utility model, the rear end departmental frame is provided with a third steel ladder behind.
[0026] With the structure, the user is convenient to get on from the rear end of the rear end departmental frame.
[0027] The utility model is convenient to adjust the spray pipe height, thereby adjusting the spray head height, is favorable for adapting to the tunnel section change, and maintains the spraying effect. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 It is the front view section view schematic diagram of example.
[0029] Figure 2 It is the side view section view of example.
[0030] Figure 3 It is another spray head mounting structure schematic view.
[0031] 1, electric wheel frame; 2, bottom longitudinal beam; 3, end door frame; 4, middle door frame; 5, scissors support; 6, first steel ladder; 7, ladder platform; 8, support frame; 9, first telescopic hydraulic cylinder; 10, spray pipe; 101, spray head; 102, corrugated pipe; 103, support rod; 104, second telescopic hydraulic cylinder; 105, mounting plate; 11, water tank; 12, first platform; 13, second steel ladder; 14, second platform; 15, third steel ladder. DETAILED DESCRIPTION
[0032] 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0033] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are the directions or position relations shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and are not intended to 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; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.
[0034] Embodiment 1
[0035] As Figure 1 A maintenance trolley comprises:
[0036] The electric wheel frames 1 are arranged at intervals left and right and at intervals front and back;
[0037] The bottom longitudinal beams 2 are respectively mounted on the top surfaces of the electric wheel frames 1 at the front and back positions;
[0038] The end door frames 3 are arranged at intervals front and back, and the uprights thereof are fixed on the bottom longitudinal beams 2;
[0039] middle frames 4 are arranged between the two end frames 3;
[0040] scissors 5 are fixed to the sides of the end frames 3 and the middle frames 4;
[0041] first steel ladders 6 are arranged on the sides of the end frames 3 and the middle frames 4;
[0042] ladder platforms 7 are fixed on the top of the end frames 3 and the middle frames 4;
[0043] support frames 8 are fixed on the ladder platforms 7 at intervals, and are arranged in a stepped form with height differences along the heights of the ladder platforms;
[0044] first telescopic hydraulic cylinders 9 are fixed on the support frames 8;
[0045] spraying pipes 10 are arc-shaped, and are fixed on the telescopic ends of the first telescopic hydraulic cylinders 9, and are provided with spray heads 101 at intervals;
[0046] water tanks 11 are arranged on the bottom longitudinal beams 2, and are connected to the spraying pipes 10.
[0047] With such a structure, the ladder platforms 7 are convenient for installing the support frames 8 with height differences, and the top beams of the support frames 8 can be adjusted to be inclined on low steps according to the installation positions, so as to adapt to the arc-shaped spraying pipes 10.
[0048] In this embodiment, the first steel ladders 6 are provided with first platforms 12.
[0049] With such a structure, the first platforms 12 are convenient for transition.
[0050] In this embodiment, the second steel ladders 13 are arranged in front of the preceding end frames 3.
[0051] With such a structure, the second steel ladders 13 are convenient for operators to get on from the front end.
[0052] In this embodiment, the bottom ends of the spray heads 101 are connected to corrugated pipes 102, the corrugated pipes 102 are connected to the spraying pipes 10, support rods 103 are fixed on the spraying pipes 10, second telescopic hydraulic cylinders 104 are fixed on the support rods 103, mounting plates 105 are fixed on the telescopic ends of the second telescopic hydraulic cylinders 104, and the mounting plates 105 are mounted with the spray heads 101.
[0053] With such a structure, the spray heads 101 can swing left and right, so that the spraying is more uniform, and the maintenance effect is improved.
[0054] In this embodiment, the second platforms 14 are fixed on the lower ends of the second steel ladders 13.
[0055] Adopt such structure, make second platform 14 connect bottom layer frame body, facilitate operator from bottom layer frame body on person.
[0056] As further improvement of the utility model, the third steel ladder 15 is arranged behind the end door frame 3.
[0057] Adopt such structure, facilitate user from the rear end of end door frame 3 on person.
[0058] The embodiment is convenient for adjusting the height of the spraying pipe and thus the height of the spray head, so as to adapt to the change of the tunnel section and maintain the spraying effect.
[0059] The above is further detailed description of the utility model in combination with specific preferred embodiments, and the specific implementation of the utility model cannot be limited to these descriptions. For the skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of equivalent substitutions or obvious variations can be made, and the same performance or use is also considered to belong to the protection scope of the utility model.
Claims
1. A maintenance trolley, characterized in that The utility model relates to a kind of automatic spraying device for greenhouse, including: Electric wheel frame (1) is arranged at interval left and right, and is arranged at interval front and back; Bottom longitudinal beam (2) is installed on the top surface of electric wheel frame (1) in front and back positions respectively at front and back ends; End door frame (3) is arranged at interval front and back, and its stand is fixed on bottom longitudinal beam (2); Middle door frame (4) is arranged at interval between two end door frames (3); Scissors support (5) is fixedly connected on the side surface of end door frame (3) and middle door frame (4); First steel ladder (6) is arranged on the side surface of end door frame (3) and middle door frame (4); Ladder platform (7) is fixedly connected on end door frame (3) and middle door frame (4); Support frame (8) is fixedly connected on ladder platform (7) at interval, and height difference is formed in the layout form along the height of ladder platform step by step; First telescopic hydraulic cylinder (9) is fixed on support frame (8); Spray pipe (10) is arc-shaped, and fixed on the telescopic end of first telescopic hydraulic cylinder (9), and spray head (101) is distributed on it at interval; Water tank (11) is arranged on bottom longitudinal beam (2), and connected with spray pipe (10).
2. The curing trolley of claim 1, wherein First platform (12) is distributed on first steel ladder (6).
3. The curing trolley of claim 1, wherein Second steel ladder (13) is arranged in front of front end door frame (3).
4. The curing trolley of claim 1, wherein The bottom end of spray head (101) is connected with bellows (102), and bellows (102) is connected with spray pipe (10), support rod (103) is fixed on spray pipe (10), second telescopic hydraulic cylinder (104) is fixed on support rod (103), mounting plate (105) is fixed on the telescopic end of second telescopic hydraulic cylinder (104), and spray head (101) is installed on mounting plate (105).
5. The curing trolley of claim 3, wherein Second platform (14) is fixed on the lower end of second steel ladder (13).
6. The curing trolley of claim 1, wherein Third steel ladder (15) is arranged behind rear end door frame (3).
Citation Information
Patent Citations
Multifunctional full-automatic maintenance trolley for subway station
CN213392193U