Device for tunnel maintenance

The multi-unit long-arm system, which connects the loading vehicle, liquid tank, and arc frame, solves the problem of excessively large tunnel maintenance equipment and achieves efficient spraying and flexible coverage.

CN223881196UActive Publication Date: 2026-02-06夏勇 +4
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Patent Information

Application Number
CN202520809618.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-02-06
Estimated Expiration
2035-04-25

AI Technical Summary

Technical Problem

Existing tunnel maintenance equipment requires multiple long arms for lateral coverage, resulting in excessively large equipment size and space occupation.

Method used

A loading vehicle and liquid tank system was designed, which connects multiple long tube arms through an arc frame and a movable seat. The system utilizes a retraction control component to achieve synchronous deployment and retraction of the multiple long tube arms, and combines it with a water supply mechanism to achieve efficient spraying.

Benefits of technology

It reduces the size of the device when not in use, improves spraying efficiency, and allows for adjustment of the long boom length to cover the tunnel wall section as needed.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of tunnel maintenance, in particular to a device for tunnel maintenance, which comprises a carrying vehicle, a liquid box fixed on the carrying vehicle through a support, an arc-shaped frame fixed on a group of supports and surrounding the liquid box, a plurality of groups of movable seats rotatably mounted on the arc-shaped frame, and a long pipe arm fixed on each group of movable seats, when maintenance work needs to be carried out, the movable base is rotated to control the multiple sets of long pipe arms to be far away from one another to be unfolded and face the tunnel wall, and at the moment, the multiple sets of sprayers are matched to cover the section direction of the tunnel wall; and meanwhile, the length of each group of long pipe arms can be configured according to the distance between the movable seat and the direction of the tunnel wall opposite to the movable seat, so that the long pipe arms can drive the sprayers to be close to the tunnel wall opposite to the long pipe arms, and the edges of the coverage areas of the adjacent sprayers coincide.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel maintenance technical field, specifically point to a kind of device for tunnel maintenance. BACKGROUND

[0002] Tunnel lining is an important component of tunnel structure, and its maintenance aims to ensure the structural safety, waterproof performance and durability of the lining.

[0003] Lining maintenance includes water spraying or coating maintenance. Since there is a certain span in the width direction of the tunnel, the spray head on the tunnel maintenance device needs to be equipped with a long arm to enable the spray head to be as close to the tunnel wall as possible, increase the utilization rate, and avoid excessive water or coating from falling.

[0004] If you want to cover the tunnel wall transversely, you need to constantly swing the long arm, or set multiple groups of long arms to drive multiple groups of spray heads to different directions. The setting of multiple groups of long arms covers a larger area and is more efficient, but it also results in a larger overall volume of the device.

[0005] The tunnel maintenance device provided by the present scheme improves the structure of the existing multi-arm maintenance device, realizes the folding and unfolding of the multi-arm, and thus reduces the overall volume as much as possible when not in use, avoiding occupying too much space when moving or parking. SUMMARY

[0006] (I) Technical problem

[0007] The present utility model aims to solve the problem of needing more long arms and occupying more space when covering transversely simultaneously in the prior art.

[0008] (II) Technical content

[0009] The present scheme provides a tunnel maintenance device, which is achieved by the following specific technical means, including:

[0010] A carrying vehicle;

[0011] A liquid tank is fixed on the carrying vehicle by a support;

[0012] An arc-shaped frame is also fixed on a set of supports and surrounds the liquid tank. A plurality of movable seats are installed on the arc-shaped frame, and each movable seat is fixed with a long pipe arm at its end, and a spray head is fixed at the end of the long pipe arm.

[0013] The plurality of long pipe arms are connected to the liquid tank by a water supply mechanism.

[0014] The plurality of long pipe arms can be unfolded or folded.

[0015] Preferably, a retracting control assembly is further arranged on the liquid tank and connected with the plurality of movable seats, the retracting control assembly is used to drive the plurality of movable seats to rotate synchronously, and the posture of the plurality of long pipe arms is controlled synchronously.

[0016] Preferably, a protruding handle is fixed on each movable seat, the retracting control assembly comprises a ring-shaped seat slidingly arranged on the liquid tank, and a connecting rod is hingedly connected between each protruding handle and the ring-shaped seat.

[0017] Preferably, the water supply mechanism comprises a water pipe arranged on the front side of the arc-shaped frame and fixed around the liquid tank, a water pump is fixed on the liquid tank, the inlet of the water pipe is connected with the outlet of the water pump, a water suction pipe connected with the inlet of the water pump extends into the liquid tank, and the water pipe is connected with each long pipe arm through a hose.

[0018] Preferably, the retracting control assembly further comprises a screw rod rotatably arranged on the rear wall of the liquid tank and located on the axis of the ring-shaped seat, a hand wheel is fixed on the end of the screw rod, a connecting plate is arranged behind the liquid tank, the connecting plate is sleeved on the screw rod through a threaded hole and is threadedly connected with the screw rod, and the connecting plate is fixedly connected with the ring-shaped seat.

[0019] Preferably, the long pipe arm is composed of a plurality of pipe bodies connected in sequence, and the overall length is controllable.

[0020] (Three) technical effects

[0021] The above structure makes the scheme have the following beneficial effects:

[0022] 1. The plurality of long pipe arms are reserved, the transverse section of the tunnel wall can be covered at one time, and the spraying efficiency is high.

[0023] Meanwhile, the scheme eliminates the problem of the large size of the current multi-arm maintenance device through structural arrangement.

[0024] 2. The arrangement of the structure realizes the control of the unfolding or folding of the plurality of long pipe arms.

[0025] 3. The overall length of each long pipe arm can be spliced and controlled according to actual needs. DETAILED DESCRIPTION

[0026] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0027] Figure 1 It is a schematic view of the overall structure of the scheme.

[0028] Figure 2A state diagram is used for the present scheme;

[0029] Figure 3 A sectional view of the liquid tank of the present scheme;

[0030] Figure 4 A rear view of the liquid tank of the present scheme;

[0031] Figure 5 An exploded view of the present scheme.

[0032] 1, a carrying vehicle;

[0033] 2, a support;

[0034] 3, a liquid tank;

[0035] 4, an arc-shaped frame;

[0036] 5, a movable seat; 51, a protruding handle;

[0037] 6, a long pipe arm; 61, a pipe body;

[0038] 7, a spray head;

[0039] 8, a water supply mechanism; 81, a water pipe; 82, a case; 83, a water pump; 84, a water suction pipe; 85, a hose;

[0040] 9, a retracting control assembly; 91, an annular seat; 92, a connecting rod; 93, a screw rod; 94, a hand wheel; 95, a connecting plate; 96, an L-shaped arm. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application; based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0042] Please refer to Figures 1-5 , the device for tunnel maintenance comprises a carrying vehicle 1, a liquid tank 3 and an arc-shaped frame 4, wherein:

[0043] The carrying vehicle 1 is preferably a transport vehicle capable of remote control of the advancing direction, so as to avoid the splashed water or paint from falling on the driver; it is worth mentioning that the specific model of the remote control carrying vehicle 1 mentioned in the present embodiment, as well as the matching power supply and remote controller, can also be provided by the manufacturer; the circuit, electronic components and modules involved are all prior art, and those skilled in the art can completely realize them without further description;

[0044] The liquid tank 3 is fixed on the carrying vehicle 1 through the support 2, and the liquid tank 3 is provided with a liquid adding opening for adding liquid;

[0045] The arc-shaped frame 4 is also fixed on a set of supports 2 and surrounds the liquid tank 3, so that the arc-shaped frame 4 can be as close to the liquid tank 3 as possible to control the volume of the device. The arc-shaped frame 4 is composed of a plurality of straight rods fixedly connected in groups. Each group of straight rods on the arc-shaped frame 4 is rotatably provided with a corresponding set of movable seats 5, and each group of movable seats 5 is welded and fixed with a long pipe arm 6 at the end of which a spray head 7 is fixed. The spray head 7 and the end of the long pipe arm 6 are detachably assembled, such as threaded connection. A plurality of long pipe arms 6 are connected with the liquid tank 3 through the water supply mechanism 8. The liquid in the liquid tank 3 is supplied into the long pipe arms 6 through the water supply mechanism 8 and sprayed out from the spray heads 7.

[0046] Due to the rotatable connection between the movable seat 5 and the arc-shaped frame 4, the long pipe arm 6 can adjust the posture according to the state requirement. The arc-shaped frame 4 is close to the tail end of the liquid tank 3. When not working, the movable seat 5 is rotated to control the plurality of long pipe arms 6 to stretch out and be in a parallel state. At this time, the plurality of long pipe arms 6 are folded on the side of the liquid tank 3 and close to the side wall of the liquid tank 3. At this time, the overall volume is small.

[0047] When maintenance work is needed, the movable seat 5 is rotated to control the plurality of long pipe arms 6 to be away from each other and be unfolded towards the tunnel wall direction. At this time, the plurality of spray heads 7 cooperate to cover the cross-sectional direction of the tunnel wall, such as Figure 2 At the same time, the length of each long pipe arm 6 can be configured according to the distance between the movable seat 5 and the tunnel wall direction, so that the long pipe arm 6 can drive the spray head 7 to be close to the tunnel wall, and ensure that the edges of the adjacent spray heads 7 overlap, specifically:

[0048] The long pipe arm 6 can be composed of a plurality of pipe bodies 61 connected in sequence. The bottommost group of pipe bodies 61 is fixedly connected with the movable seat 5, and the upper group of pipe bodies 61 is threadedly connected with the lower group of pipe bodies 61, so that different numbers of pipe bodies 61 can be selected for assembly according to the overall length of each long pipe arm 6.

[0049] Please refer to Figure 1 、 Figure 3 、 Figure 5 , the tunnel maintenance device, the liquid tank 3 is also provided with a folding control assembly 9, which is connected with a plurality of movable seats 5. The folding control assembly 9 is used to drive the plurality of movable seats 5 to rotate synchronously, so as to realize synchronous control of the posture of the plurality of long pipe arms 6, specifically:

[0050] A group of convex handles 51 are fixed on each group of movable seats 5, the folding control assembly 9 comprises an annular seat 91 slidingly installed on the liquid tank 3, and each group of convex handles 51 is hingedly connected with a group of supports fixed on the corresponding position of the annular seat 91, through controlling the position of the annular seat 91 at the tail end of the liquid tank 3, the synchronous rotation of the multiple groups of movable seats 5 can be realized under the connection of the connecting rods 92, in order to realize the adjustment of the position of the annular seat 91 on the liquid tank 3, the folding control assembly 9 further comprises a screw rod 93 rotatingly installed on the rear wall of the liquid tank 3 and located on the central axis of the annular seat 91, and a hand wheel 94 is fixed on the end of the screw rod 93, and the folding control assembly 9 further comprises a connecting plate 95 located behind the liquid tank 3, the connecting plate 95 is sleeved on the screw rod 93 through a threaded hole and is threadedly connected therebetween, a plurality of L-shaped arms 96 extending from the side of the connecting plate 95 are fixedly connected with the annular seat 91, realizing the integration of the connecting plate 95 and the annular seat 91, the L-shaped arms 96 not only realize the fixed connection between the connecting plate 95 and the annular seat 91, but also provide support for the connecting plate 95;

[0051] Through rotating the hand wheel 94 to drive the screw rod 93 to rotate, the connecting plate 95 is fixedly connected with the annular seat 91 and is limited by the connecting rods 92, so that the connecting plate 95 and the annular seat 91 do not rotate with the screw rod 93, but move forward and backward, that is, through rotating the screw rod 93, the distance between the connecting plate 95 and the rear wall of the liquid tank can be controlled to change, so as to realize the adjustment of the distance between the annular seat 91 and the arc-shaped frame 4, thereby realizing the control of the synchronous rotation posture of the multiple groups of movable seats 5.

[0052] Please refer to Figure 3 、 Figure 4 , the device for tunnel maintenance, the water supply mechanism 8 comprises a water pipe 81 located on the front side of the arc-shaped frame 4 and fixed around the liquid tank 3, a water pump 83 is installed in a cabinet 82 fixed on the liquid tank 3, the inlet of the water pipe 81 is fixedly connected with the outlet of the water pump 83, and the water pump 83 is fixedly connected with the water inlet pipe 81 extending into the liquid tank 3, and the water pipe 81 is connected with each group of long pipe arms 6 through a hose 85;

[0053] It is worth noting that the specific model of the water pump 83 mentioned in the embodiment, as well as its matching power supply and switch, can also be provided by the manufacturer, and the circuit and electronic components and modules involved are all prior art, and those skilled in the art can realize them without further description;

[0054] The liquid in the liquid tank 3 is pumped into the water pipe 81 by the water pump 83, and then sprayed out from the spray head 7 through the hose 85 and the long pipe arm 6;

[0055] The power supply problem of the product can be powered by the built-in power supply of the carrying vehicle 1 together, or can be powered by a mobile power supply alone.

[0056] The un-disclosed part in the utility model is prior art, and the specific structure and working principle will not be described again.

[0057] Unless otherwise explicitly specified and limited, the terms "arrange", "mount", "connect", "connect" should be broadly understood, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0058] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for tunnel maintenance, comprising a carrier vehicle (1), characterized in that: Also included Liquid tank (3), fixed on the loading car (1) by support (2); Arc-shaped frame (4) is also fixed on a group of supports (2) and surrounds the liquid tank (3), a plurality of movable seats (5) are rotatably installed on the arc-shaped frame (4), and a long pipe arm (6) is fixed on each group of movable seats (5), and a spray head (7) is fixed at the end of the long pipe arm (6), a plurality of long pipe arms (6) are connected with the liquid tank (3) through the water supply mechanism (8), and the liquid in the liquid tank (3) is supplied into the long pipe arm (6) through the water supply mechanism (8) and sprayed from the spray head (7); At the same time, the length of each group of long pipe arms (6) is set according to the distance between the movable seat (5) and the opposite tunnel wall orientation.

2. A device for tunnel maintenance according to claim 1, characterized in that: The long pipe arm (6) can be composed of a plurality of pipe bodies (61) connected in sequence, the bottommost group of pipe bodies (61) is fixedly connected with the movable seat (5), and the upper group of pipe bodies (61) is threadedly connected with the lower group of pipe bodies (61).

3. A device for tunnel maintenance according to claim 1 or 2, characterized in that: A folding control assembly (9) is further arranged on the liquid tank (3) and connected with a plurality of movable seats (5), and the folding control assembly (9) is used to drive a plurality of movable seats (5) to rotate synchronously.

4. The device for tunnel maintenance according to claim 3, characterized in that: Each group of the movable seat (5) is fixed with a group of convex handles (51), the folding control assembly (9) includes an annular seat (91) slidably installed on the liquid tank (3), and each group of convex handles (51) and the annular seat (91) are hingedly connected with a group of connecting rods (92); The folding control assembly (9) further comprises a screw rod (93) rotatably installed on the rear wall of the liquid tank (3) and located on the axis of the annular seat (91); and further comprises a connecting plate (95) located behind the liquid tank (3), the connecting plate (95) is sleeved on the screw rod (93) through a threaded hole, and a plurality of L-shaped arms (96) are extended from the side of the connecting plate (95) and fixedly connected with the annular seat (91).

5. The device for tunnel maintenance according to claim 3, characterized in that: The water supply mechanism (8) comprises a water pipe (81) located on the front side of the arc-shaped frame (4) and fixed around the liquid tank (3), a water pump (83) is installed in a case (82) fixed on the liquid tank (3), the inlet of the water pipe (81) is connected with the outlet of the water pump (83), and the water pump (83) is connected with the water pump (83) through a water pump (81) extending into the liquid tank (3), and the water pipe (81) is connected with each group of long pipe arms (6) through a hose (85).

6. The device for tunnel maintenance according to claim 1, characterized in that: The spray head (7) and the end of the long pipe arm (6) can be detachably assembled.