Water delivery gallery maintenance trolley and maintenance system thereof
By designing a maintenance trolley for the water conveyance corridor, the angle can be adjusted using the frame, working platform, and traction device. It is also equipped with an arc frame and a limit device, which solves the problem of inconvenience in using maintenance equipment in the inclined shaft section of the water conveyance tunnel and improves maintenance efficiency and stability.
Patent Information
- Application Number
- CN202520215459.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-11
AI Technical Summary
The existing maintenance equipment for inclined shaft sections of water conveyance tunnels is cumbersome and complicated in terms of angle adjustment, inconvenient to use, and has limited working space, making it difficult to meet the needs of efficient maintenance.
A maintenance trolley for water conveyance corridors was designed, consisting of a frame, a working platform, and a traction device. The angle of the working platform is adjustable through a hinged structure, and an arc frame and a limiting device are provided to ensure the stability of the platform. A winch is used to move the trolley.
It enables easy adjustment and stability of the working platform angle, improves maintenance efficiency, adapts to the complex structure of water conveyance corridors, and meets the needs of efficient maintenance.
Smart Images

Figure CN223736027U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water conveying gallery overhauling equipment technical field especially relates to a kind of water conveying gallery overhauling trolley and its overhauling system. BACKGROUND
[0002] Cracks and structural joint seepage are found in the inclined shaft section of a water conveying tunnel, the clearance of the inclined shaft section is up to 40 m, the inclination is about 60 degrees, and the flow section is irregular. Due to the limited maintenance period and the actual problems such as high overhanging and limited operation space in field maintenance, it is urgent to design and research a kind of overhauling device and overhauling system suitable for the inclined shaft section of the water conveying tunnel.
[0003] Chinese patent document CN206246124U discloses a variable-angle expansion trolley for inclined shaft construction of pumped storage power station, which comprises a trolley bottom plate parallel to the inclined shaft track, a trolley wheel connected to one side of the trolley bottom plate corresponding to the inclined shaft track, a main platform horizontally connected to the other side of the trolley bottom plate, a roller shaft rotatably connected to one end of the main platform, an inclined trolley column connected to the other end of the main platform, a vertical trolley column connected below the middle of the main platform, and a jack connected to the middle of the inclined trolley column and the vertical trolley column. The expansion trolley has the advantages of convenient disassembly and wide application range, and can reduce the construction cost of power station expansion, reduce the welding workload on site, and improve the structural stability and safety. However, the angle adjusting structure of the main platform is relatively complex and inconvenient to use. SUMMARY
[0004] The utility model provides a kind of water conveying gallery overhauling trolley and its overhauling system, and the angle adjustment of operation platform can be realized by operating pulling device on operation platform, structure is simpler, and it is more convenient to use.
[0005] To achieve the above object, the utility model provides a kind of water conveying gallery overhauling trolley, including frame, operation platform and pulling device, the side of the frame is installed with traction lug seat, the bottom of the frame is installed with bottom trundle, the side of the frame is installed with fixed lug seat above, the bottom of the operation platform is installed with articulated lug seat, and the articulated lug seat is articulated with fixed lug seat by articulated shaft;The side of the frame is installed with support frame above the traction lug seat, and support frame extends upward after passing through the first avoiding hole on operation platform;One end of the pulling device is installed on support frame, and the other end is connected with operation platform.
[0006] The left and right sides of the frame are respectively installed with side trundle.
[0007] Guardrail is installed around the operation platform.
[0008] The top of the operation platform is provided with a connecting lug, and the pulling device is connected with the connecting lug.
[0009] The arc-shaped frame is connected to the upper end of the support frame at one end and passes through a second avoiding hole on the operation platform to be connected with the frame at the other end.
[0010] A plurality of limiting holes are arranged on the arc-shaped frame, and the limiting device comprises two pin shafts inserted into the limiting holes.
[0011] A plurality of limiting holes are arranged on the arc-shaped frame, and the limiting device comprises a penetrating seat and a pin shaft.
[0012] The support frame is in a door shape, and the arc-shaped frame is provided with two.
[0013] The pulling device is one of a rope, a manual hoist, an electric hoist, a hand-operated winch and an electric push rod.
[0014] The maintenance system comprises a hoist and the water conveying gallery maintenance trolley.
[0015] Compared with the prior art, the utility model has the following technical effects:
[0016] 1、The frame is moved in the water conveying gallery through the bottom casters, the support frame is used for installing the pulling device, the operation platform is hinged to the frame, the angle of the operation platform is adjusted through the pulling device on the operation platform, the structure is simpler, and the use is more convenient.
[0017] 2、The utility model further comprises an arc-shaped frame and a limiting device, the operation platform is limited with the arc-shaped frame through the limiting device after the angle of the operation platform is adjusted through the pulling device, and the stability of the operation platform is further ensured.
[0018] 3、The hoist is fixedly installed on the upper end of the water conveying gallery, the steel wire rope is retracted and released through the hoist, and the water conveying gallery maintenance trolley is pulled to move up and down on the inclined section of the water conveying gallery. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced.
[0020] Figure 1 It is a front view structural schematic diagram of the utility model;
[0021] Figure 2 is a top view structural schematic diagram of the utility model;
[0022] Figure 3 is a right view structural schematic diagram of the utility model;
[0023] Figure 4 is Figure 1 is an enlarged structural schematic diagram of A in the middle;
[0024] Figure 5 is a structural schematic diagram of a kind of overhaul system of the utility model.
[0025] Reference signs:
[0026] Frame 10, traction lug 11, bottom caster 12, fixed lug 13, support frame 14, arc frame 15, limiting hole 16, side caster 17;
[0027] Work platform 20, hinged lug 21, hinged shaft 22, connecting lug 23, guard 24, second avoiding hole 25;
[0028] Pulling device 30;
[0029] Limiting device 40, penetrating seat 41, pin shaft 42, split pin 43;
[0030] Water delivery corridor 100, hoist 200, steel wire rope 201. DETAILED DESCRIPTION
[0031] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.
[0032] Example one:
[0033] Please see Figures 1-3A water conveyance corridor maintenance trolley includes a frame 10, a working platform 20, and a traction device 30. A traction lug 11 is installed on one side of the frame 10, and bottom casters 12 are installed on the bottom of the frame 10. A fixed lug 13 is installed on the upper side of the frame 10 on the side located at the traction lug 11. A hinge lug 21 is installed on the bottom of the working platform 20, and the hinge lug 21 is hinged to the fixed lug 13 through a hinge shaft 22. A support frame 14 is installed on the frame 10 on the side located at the traction lug 11. The support frame 14 extends upward after passing through a first clearance hole 25 on the working platform 20. One end of the traction device 30 is installed on the support frame 14, and the other end is connected to the working platform 20. The frame 10 can move inside the water conveyance channel 100 via bottom casters 12. The support frame 14 is used to install the traction device 30. Since the working platform 20 is hinged to the frame 10, the angle of the working platform 20 can be adjusted by operating the traction device 30 on the working platform 20. The structure is simpler and the use is more convenient.
[0034] In this embodiment, four bottom casters 12 are provided, and the four bottom casters 12 are located at the four corners of the lower side of the frame 10.
[0035] Further, see Figure 2 , 3 Side casters 17 are installed on the left and right sides of the frame 10. The side casters 17 guide the frame 10 against the water conveyance channel 100 to prevent the frame 10 from rubbing against the inside of the water conveyance channel 100.
[0036] In this embodiment, there are four side casters 17, that is, two are installed on each of the left and right sides of the frame 10.
[0037] Further, see Figure 1 The work platform 20 is equipped with guardrails 24 around its perimeter to prevent workers from falling off. Specifically, the guardrails 24 are made of steel pipes and welded around the perimeter of the work platform 20.
[0038] For easy connection between the traction device 30 and the working platform 20, see [link / reference] Figure 1 , 2 A connecting lug 23 is installed on the top of the work platform 20, and the pulling device 30 is connected to the connecting lug 23. The connecting lug 23 is welded to the top of the work platform 20.
[0039] The pulling device 30 adopts one of the following: rope, manual hoist, electric hoist, hand-cranked winch, and electric push rod.
[0040] Example 2:
[0041] Based on Example 1, see Figure 1Further comprising an arc-shaped frame 15 and a limiting device 40, one end of the arc-shaped frame 15 is connected to the upper end of the support frame 14, the other end passes through the second avoiding hole 25 on the operation platform 20 and is connected with the frame 10, and the limiting device 40 is used for limiting the operation platform 20 and the arc-shaped frame 15.
[0042] In one of the schemes, a plurality of limiting holes 16 are arranged on the arc-shaped frame 15, and the limiting device 40 comprises two pin shafts 42 inserted into the limiting holes 16, and the two pin shafts 42 are respectively located on the upper side and the lower side of the operation platform 20.
[0043] In another scheme, referring to Figure 3 、 4 , a plurality of limiting holes 16 are arranged on the arc-shaped frame 15, and the limiting device 40 comprises a penetrating seat 41 and a pin shaft 42, the penetrating seat 41 is fixedly installed on the operation platform 20, and the pin shaft 42 passes through the penetrating seat 41 and then passes through the limiting hole 16.
[0044] In the above two schemes, after the pin shaft 42 is installed in place, an open pin 43 can be installed on the pin shaft 42, referring to Figure 4 , the pin shaft 42 is limited to prevent the pin shaft 42 from falling out.
[0045] Embodiment three:
[0046] On the basis of embodiment two, referring to Figure 2 、 3 , the support frame 14 is a door-shaped frame, and the arc-shaped frame 15 is provided with two arc-shaped frames. Further improve the stability of the adjusted operation platform 20.
[0047] Embodiment four:
[0048] Referring to Figure 5 , a kind of overhauls system, including winch 200 and the water gallery maintenance trolley of one kind described, the steel wire rope 201 of winch 200 is connected with traction lug 11.Winch 200 is fixedly installed on the upper end of water gallery 100, by winch 200 to receive and release steel wire rope 201, to thereby traction the water gallery maintenance trolley of one kind described on the inclined section of water gallery 100 moves up and down.
[0049] The working principle or action process of the utility model is as follows:
[0050] Referring to Figure 5In the lower horizontal section of the water delivery gallery 100, the work platform 20 is substantially parallel to the frame 10. When the maintenance trolley enters the inclined section of the water delivery gallery 100, the angle adjustment of the work platform 20 can be realized by operating the pulling device 30 on the work platform 20. After the angle adjustment, the pin shaft 42 is inserted into the insertion seat 41 and then passes through the limiting hole 16 to further limit the work platform 20.
Claims
1. A water conveyance gallery inspection trolley, characterized by: The utility model provides a kind of water channel maintenance trolley, including frame (10), work platform (20) and pulling device (30), one side of the frame (10) is equipped with traction lug (11), the bottom of the frame (10) is equipped with bottom caster (12), the upper side of the frame (10) is equipped with fixed lug (13) in the side of traction lug (11), the bottom of the work platform (20) is equipped with hinged lug (21), and the hinged lug (21) is hinged with fixed lug (13) by hinged shaft (22);The frame (10) is equipped with support frame (14) in the side of traction lug (11), and support frame (14) is stretched out upwards after passing through first avoiding hole (25) on work platform (20);The pulling device (30) one end is installed on support frame (14), and the other end is connected with work platform (20).
2. The water delivery gallery access trolley of claim 1, wherein: The frame (10) is equipped with side caster (17) on the left and right sides respectively.
3. The water delivery gallery access trolley of claim 1, wherein: The work platform (20) is equipped with guardrail (24) around.
4. The water conveyance gallery access trolley of claim 1, wherein: The top of the work platform (20) is equipped with connecting lug (23), and the pulling device (30) is connected with connecting lug (23).
5. The water delivery gallery inspection trolley according to any one of claims 1 to 4, characterized in that: It further includes arc-shaped frame (15) and limiting device (40), arc-shaped frame (15) one end is connected in the upper end of support frame (14), and the other end passes through second avoiding hole (25) on work platform (20) and is connected with frame (10), and the limiting device (40) is used to limit work platform (20) with arc-shaped frame (15).
6. A water conveyance gallery access trolley according to claim 5, characterised in that: The arc-shaped frame (15) is provided with a plurality of limiting holes (16), and the limiting device (40) includes two pin shafts (42) inserted into the limiting holes (16), and the two pin shafts (42) are located on the upper side and the lower side of the work platform (20) respectively.
7. The water race access trolley of claim 5, wherein: The arc-shaped frame (15) is provided with a plurality of limiting holes (16), and the limiting device (40) includes penetrating seat (41) and pin shaft (42), and the penetrating seat (41) is fixedly installed on the work platform (20), and the pin shaft (42) passes through the penetrating seat (41) and then passes through the limiting hole (16).
8. The water gallery maintenance trolley according to claim 5, characterized in that: The support frame (14) is door-shaped, and the arc-shaped frame (15) is provided with two.
9. The water conduit inspection trolley according to claim 1, characterized in that: The pulling device (30) adopts one of rope, manual hoist, electric hoist, hand-operated winch and electric push rod.
10. An access system characterized by: The utility model provides a kind of water channel maintenance trolley, including frame (10), work platform (20) and pulling device (30), one side of the frame (10) is equipped with traction lug (11), the bottom of the frame (10) is equipped with bottom caster (12), the upper side of the frame (10) is equipped with fixed lug (13) in the side of traction lug (11), the bottom of the work platform (20) is equipped with hinged lug (21), and the hinged lug (21) is hinged with fixed lug (13) by hinged shaft (22);The frame (10) is equipped with support frame (14) in the side of traction lug (11), and support frame (14) is stretched out upwards after passing through first avoiding hole (25) on work platform (20);The pulling device (30) one end is installed on support frame (14), and the other end is connected with work platform (20).
Citation Information
Patent Citations
Water -storage power station inclined shaft construction variable angle expands and digs platform truck
CN206246124U