Spraying maintenance device integrated on secondary lining trolley

Abstract

The utility model belongs to the technical field of lining construction, and provides a spraying maintenance device integrated on a secondary lining trolley, which comprises a sliding table transmission system assembly, a spraying bracket assembly and a liquid storage platform assembly, the sliding table transmission system assembly comprises a sliding table rail, a maintenance trolley and a driving assembly, the spraying support assembly comprises a support cross beam and a spraying pipe set, and the spraying pipe set comprises at least two spraying units arranged on the support cross beam at intervals in the moving direction of the maintenance trolley; the liquid storage platform assembly comprises a liquid storage tank and a liquid level detection assembly, and the liquid level detection assembly is used for detecting the liquid level in the liquid storage tank. The whole structure is simple; through the combination of the sliding table track, the curing trolley and the driving assembly in the sliding table transmission system assembly, back-and-forth spraying curing is facilitated, and through the design of the support cross beam and the two spraying units, concrete curing within a large range can be met while the length of the sliding table track is shortened as much as possible, and the curing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction, and specifically to a spraying maintenance device integrated on a secondary lining trolley. Background Art

[0002] At present, stricter requirements are put forward for the quality and production safety of tunnel construction, especially for the quality of lining concrete in tunnel construction. Therefore, effective water spraying curing treatment is needed for the secondary lining concrete to more effectively improve the strength quality of the secondary lining concrete.

[0003] The existing maintenance methods often use a sprinkler truck for manual spraying, which has low work efficiency and high labor intensity for workers; or a separate device for spraying maintenance is equipped, which is costly and cannot be seamlessly connected with the secondary lining trolley, making it inconvenient to operate. In addition, the existing technology also uses a single spray unit for spraying maintenance, which has a limited spray range and poor maintenance effect.

[0004] In summary, there is an urgent need for a spray curing device with a simple structure, a large curing range, easy operation and the ability to be integrated on the secondary lining trolley to solve the problems existing in the prior art. Utility Model Content

[0005] The utility model aims to provide a spray curing device which has a simple structure, a large curing range, is easy to operate and can be integrated on a secondary lining trolley. The specific technical scheme is as follows:

[0006] A spray maintenance device integrated on a secondary lining trolley comprises a slide transmission system assembly, a spray bracket assembly and a liquid storage platform assembly; the slide transmission system assembly comprises a slide track, a maintenance trolley and a drive assembly, the slide track is arranged on the secondary lining trolley, the maintenance trolley is connected to the drive assembly and can drive the maintenance trolley to reciprocate on the slide track through the drive assembly; the spray bracket assembly comprises a bracket crossbeam and a spray pipe group, the bracket crossbeam is arranged on the maintenance trolley; the spray pipe group comprises at least two groups of spray units arranged on the bracket crossbeam at intervals along the moving direction of the maintenance trolley; the liquid storage platform assembly comprises a liquid storage tank and a liquid level detection assembly, the liquid level detection assembly is used to detect the liquid level in the liquid storage tank, and the liquid storage tank is connected to the spray unit through a pipeline.

[0007] Preferably, two groups of spray units are respectively arranged at the two ends of the support beam; the length of the slide track is L1, and the length of the support beam is L2; ​​the maintenance range of the spray maintenance device is 0-(L1+0.5×L2).

[0008] Preferably, the support crossbeam is a crossbeam with a fixed length; or, the support crossbeam is a crossbeam with an adjustable length, which includes at least two groups of crossbeam sections arranged in series.

[0009] Preferably, the driving assembly includes a power unit, a chain and a sprocket group; the sprocket group includes at least two sprockets fixed on the maintenance trolley and arranged at intervals; both ends of the chain are fixed on the slide track, and all the sprockets are engaged with the chain; one of the sprockets is drivingly connected to the output shaft of the power unit, and the maintenance trolley is driven by the power unit to move along the chain.

[0010] Preferably, the spray unit comprises an arc-shaped pipe segment and a plurality of nozzles arranged on the arc-shaped pipe segment.

[0011] Preferably, the arc-shaped pipe segment is a circular arc segment of 0.25-0.75 times; the arc-shaped pipe segment is an integrally formed structure, or the arc-shaped pipe segment includes a plurality of pipe bodies connected in sequence.

[0012] Preferably, adjacent tubes are detachably connected, or telescopically slidably connected.

[0013] Preferably, the central axis of the nozzle in the spray unit forms an angle of 15°-75° with the moving direction of the maintenance trolley.

[0014] Preferably, the liquid level detection assembly includes a liquid level detector and a float valve, the liquid level detector is arranged at the lower part of the liquid storage tank, and the float valve is arranged at the upper part of the liquid storage tank.

[0015] Preferably, the pipeline connecting the liquid storage tank and the spray unit is hard and / or a hose.

[0016] The application of the technical solution of the utility model has the following beneficial effects:

[0017] (1) The spray maintenance device integrated on the secondary lining trolley of the utility model includes a slide transmission system assembly, a spray bracket assembly and a liquid storage platform assembly; the slide transmission system assembly includes a slide track, a maintenance trolley and a driving assembly, the spray bracket assembly includes a bracket crossbeam and a spray pipe group, the spray pipe group includes at least two groups of spray units arranged on the bracket crossbeam at intervals along the moving direction of the maintenance trolley; the liquid storage platform assembly includes a liquid storage tank and a liquid level detection assembly, and the liquid level detection assembly is used to detect the liquid level in the liquid storage tank. The overall structure is streamlined; through the composition of the slide track, the maintenance trolley and the driving assembly in the slide transmission system assembly, it is convenient to perform reciprocating spray maintenance, and combined with the design of the bracket crossbeam and the two groups of spray units, the spray maintenance points are increased, which can achieve the goal of shortening the length of the slide track as much as possible while meeting the maintenance of concrete in a large range, thereby improving the maintenance efficiency.

[0018] (2) In the utility model, two groups of spray units are respectively arranged at the two ends of the support beam; the length of the slide track is L1, and the length of the support beam is L2; ​​the maintenance range of the spray curing device is 0-(L1+0.5×L2). This solution can effectively utilize the length of the support beam to reduce the length of the slide track, and is highly practical. The support beam is a beam of fixed length, which is suitable for the maintenance needs of concrete of the same size; or, the support beam is a beam with adjustable length, which includes at least two groups of beam sections arranged in series to meet the maintenance needs of concrete of different sizes, and is highly practical.

[0019] (3) The spray unit described in the utility model includes an arc-shaped pipe segment and a plurality of nozzles arranged on the arc-shaped pipe segment. The combination of the arc-shaped pipe segment and the nozzle can be adapted to the concrete maintenance requirements of different cross-sections. The arc-shaped pipe segment is a circular arc segment of 0.25-0.75 times; the arc-shaped pipe segment is an integrally formed structure, or the arc-shaped pipe segment includes a plurality of pipe bodies connected in sequence. The adjacent pipe bodies are detachably connected, or the adjacent pipe bodies are telescopically slidably connected. The spray unit can be adaptively adjusted according to different construction conditions to meet the maintenance requirements of different construction scenes. The central axis of the nozzle in the spray unit is at an angle of 15°-75° to the moving direction of the maintenance trolley, thereby increasing the spray coverage of the liquid and improving the maintenance efficiency.

[0020] (4) The liquid level detection assembly in the present invention includes a liquid level detector and a float valve. The liquid level detector is arranged at the lower part of the liquid storage tank to detect the lowest liquid level of the liquid storage tank, and the float valve is arranged at the upper part of the liquid storage tank to detect the highest liquid level of the liquid storage tank. The water level of the liquid storage tank can be automatically detected, and water can be added or stopped according to the detection result, thereby improving the maintenance efficiency.

[0021] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0023] Figure 1 : is a schematic diagram of the structure in which the spray curing device integrated on the secondary lining trolley is assembled on the secondary lining trolley in the embodiment (the bidirectional arrows in the figure indicate the schematic diagram of the curing trolley being located at two positions);

[0024] Figure 2 yes Figure 1A partial enlarged view of the middle spray bracket assembly and the slide transmission system assembly;

[0025] Figure 3 yes Figure 2 A partial enlarged view of the middle slide transmission system assembly;

[0026] Figure 4 yes Figure 2 A partial enlarged view of the connection between the middle bracket crossbeam and the spray unit;

[0027] Among them, 1. Slide transmission system assembly, 1.1. Slide track, 1.2. Maintenance trolley, 1.3. Drive component, 1.3.1. Power unit, 1.3.2. Chain, 1.3.3. Sprocket; 2. Spray bracket assembly, 2.1. Bracket beam, 2.2. Spray unit, 2.2.1. Arc pipe section, 2.2.2. Nozzle; 3. Liquid storage platform assembly, 3.1. Liquid storage tank; 4. Second lining trolley; 5. Concrete layer; 6. Ladder. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0029] Example:

[0030] A spray curing device integrated on the secondary lining trolley can timely cure the concrete at the extension of the secondary lining trolley at the overlap end. Figure 1-Figure 4 The spray maintenance device includes a slide transmission system assembly 1, a spray support assembly 2 and a liquid storage platform assembly 3. The detailed structure is as follows:

[0031] The slide transmission system assembly 1 includes a slide track 1.1, a maintenance trolley 1.2 and a drive component 1.3, and the slide track 1.1 is arranged on the secondary lining trolley. Preferably here: the slide track is fixed to the rear of the main body of the secondary lining trolley 4 by welding or bolting, and the length of the slide track 1.1 is L1. The maintenance trolley 1.2 is connected to the drive component 1.3 and the maintenance trolley 1.2 can be driven by the drive component 1.3 to perform reciprocating motion on the slide track 1.1. Preferably here: see Figure 3 The driving assembly 1.3 includes a power device 1.3.1, a chain 1.3.2 and a sprocket group; the sprocket group includes three sprockets 1.3.3 fixed on the maintenance trolley and arranged at intervals, and the three sprockets are arranged in a triangle in the vertical plane; both ends of the chain are fixed on the slide rail, and all the sprockets are meshed with the chain; the sprocket at the uppermost corner of the triangle is connected to the output shaft of the power device, and the maintenance trolley is driven by the power device to move along the chain. In this embodiment, the power device is preferably a drive motor.

[0032] See Figure 2 The spray support assembly 2 includes a support beam 2.1 and a spray pipe group, and the support beam 2.1 is arranged on the maintenance trolley 1.2; the spray pipe group includes at least two groups of spray units 2.2 arranged on the support beam 2.1 at intervals along the moving direction of the maintenance trolley, and two groups of spray units are illustrated here. Preferably, the two groups of spray units 2.2 are respectively arranged at both ends of the support beam 2.1; the length of the support beam 2.1 is L2, and the maintenance range S of the spray maintenance device for the concrete layer 5 is 0-(L1+0.5×L2), which can achieve maintenance within a range of 12 meters.

[0033] In this embodiment, the support crossbeam 2.1 is a crossbeam of fixed length. In addition, the support crossbeam can also be a crossbeam with adjustable length, which includes at least two groups of crossbeam sections arranged in series, such as: a connecting ear plate is provided at the end of the crossbeam section, and two adjacent groups of crossbeam sections are detachably connected by a combination of connecting ear plates and bolts and nuts; it can also be another structure: one end of the crossbeam section is inserted into an adjacent crossbeam section for movability, and a limiting hole is provided on the crossbeam section. The relative position between adjacent crossbeam sections is fixed by a pin shaft and the limiting holes on the two adjacent groups of crossbeam sections to meet the length adjustment requirements.

[0034] In this embodiment, the spray unit 2.2 includes an arc-shaped pipe section 2.2.1 and a plurality of nozzles 2.2.2 arranged on the arc-shaped pipe section 2.2.1, see Figure 4 . Preferably, the arc-shaped pipe segment 2.2.1 is a circular arc segment of 0.25-0.75 times. It is further preferred that the arc-shaped pipe segment 2.2.1 is an integrally formed structure, or the arc-shaped pipe segment includes a plurality of pipe bodies connected in sequence. The adjacent pipe bodies are detachably connected, or the adjacent pipe bodies are telescopically slidably connected. A detachable or adjustable connection scheme with a support crossbeam. In this embodiment, the central axis of the nozzle in the spray unit is at an angle of 15°-75° to the moving direction of the maintenance trolley, and the spray flow rate and spray angle of the nozzle can adopt an adjustable structure with reference to the prior art.

[0035] The liquid storage platform assembly 3 includes a liquid storage tank 3.1 (preferably, the liquid storage tank is used to store maintenance water) and a liquid level detection component, wherein the liquid level detection component is used to detect the liquid level in the liquid storage tank 3.1, and the liquid storage tank 3.1 is connected to the spray unit 2.2 through a pipeline. In this embodiment, preferably, the liquid level detection component includes a liquid level detector and a float valve, which can sense the liquid level of the liquid storage tank. Specifically, the liquid level detector is arranged at the lower part of the liquid storage tank 3.1 to detect the lowest liquid level of the liquid storage tank. When it is sensed that the liquid storage tank lacks liquid, the liquid source can be automatically connected; the float valve is arranged at the upper part of the liquid storage tank 3.1 to detect the highest liquid level of the liquid storage tank. When it is detected that the liquid storage tank is full of liquid, the liquid source can be automatically cut off. The pipeline connecting the liquid storage tank 3.1 and the spray unit 2.2 is hard and / or a hose.

[0036] The spray curing device integrated on the secondary lining trolley of the present embodiment is applied. The spray curing device is first assembled on the secondary lining trolley 4 (with the aid of a ladder 6); the position of the support beam 2.1 and / or the arc-shaped pipe section 2.2.1 is adjusted according to working conditions; the liquid storage tank 3.1 is filled with liquid; the driving component 1.3 can drive the curing trolley 1.2 and the spray support assembly 2 thereon to perform a reciprocating motion on the slide rail 1.1 to complete the spray curing.

[0037] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A spray curing device integrated on the secondary lining trolley, characterized in that: It comprises a slide transmission system assembly (1), a spray bracket assembly (2) and a liquid storage platform assembly (3); The slide transmission system assembly (1) comprises a slide track (1.1), a maintenance trolley (1.2) and a drive assembly (1.3); the slide track (1.1) is arranged on the secondary lining trolley; the maintenance trolley (1.2) is connected to the drive assembly (1.3) and the drive assembly (1.3) can drive the maintenance trolley (1.2) to perform reciprocating motion on the slide track (1.1); The spray support assembly (2) comprises a support crossbeam (2.1) and a spray pipe group, wherein the support crossbeam (2.1) is arranged on a maintenance trolley (1.2); the spray pipe group comprises at least two groups of spray units (2.2) arranged on the support crossbeam (2.1) at intervals along the moving direction of the maintenance trolley; The liquid storage platform assembly (3) comprises a liquid storage tank (3.1) and a liquid level detection component, wherein the liquid level detection component is used to detect the liquid level in the liquid storage tank (3.1), and the liquid storage tank (3.1) is connected to the spray unit (2.2) via a pipeline.

2. The spray curing device integrated on the secondary lining trolley according to claim 1 is characterized in that: Two groups of spray units (2.2) are respectively arranged at two ends of the support crossbeam (2.1); The length of the slide rail (1.1) is L1, and the length of the support crossbeam (2.1) is L2; ​​the maintenance range of the spray maintenance device is 0-(L1+0.5×L2).

3. The spray curing device integrated on the secondary lining trolley according to claim 1 is characterized in that: The support crossbeam (2.1) is a crossbeam of fixed length; or, the support crossbeam (2.1) is a crossbeam of adjustable length, comprising at least two groups of crossbeam sections arranged in series.

4. The spray curing device integrated on the secondary lining trolley according to claim 1 is characterized in that: The driving assembly (1.3) comprises a power device, a chain and a sprocket group; the sprocket group comprises at least two sprockets fixed on the maintenance trolley and arranged at intervals; both ends of the chain are fixed on the slide rail, and all the sprockets are meshed with the chain; one of the sprockets is drivingly connected to the output shaft of the power device, and the maintenance trolley is driven by the power device to move along the chain.

5. The spray curing device integrated on the secondary lining trolley according to any one of claims 1 to 4, characterized in that: The spray unit (2.2) comprises an arc-shaped pipe section (2.2.1) and a plurality of nozzles (2.2.2) arranged on the arc-shaped pipe section (2.2.1).

6. The spray curing device integrated on the secondary lining trolley according to claim 5 is characterized in that: The arc-shaped pipe segment (2.2.1) is a circular arc segment of 0.25-0.75 times; the arc-shaped pipe segment (2.2.1) is an integrally formed structure, or the arc-shaped pipe segment comprises a plurality of pipe bodies connected in sequence.

7. The spray curing device integrated on the secondary lining trolley according to claim 6 is characterized in that: The adjacent tube bodies are detachably connected, or telescopically slidably connected.

8. The spray curing device integrated on the secondary lining trolley according to claim 5 is characterized in that: The central axis of the nozzle in the spray unit forms an angle of 15°-75° with the moving direction of the maintenance trolley.

9. The spray curing device integrated on the secondary lining trolley according to any one of claims 1 to 4, characterized in that: The liquid level detection assembly comprises a liquid level detector and a float valve; the liquid level detector is arranged at the lower part of the liquid storage tank (3.1), and the float valve is arranged at the upper part of the liquid storage tank (3.1).

10. The spray curing device integrated on the secondary lining trolley according to claim 1, characterized in that: The pipeline connecting the liquid storage tank (3.1) and the spray unit (2.2) is hard and / or a hose.

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