Tunnel lining concrete spraying maintenance machine

Abstract

The utility model discloses a tunnel lining concrete spraying maintenance machine, which relates to the technical field of concrete spraying maintenance, and comprises a spraying pipe body, a spraying frame and an assembly structure, the spraying frame comprises a transverse support rod, a longitudinal support rod and a pipeline clamp arranged at the upper end of the longitudinal support rod, the longitudinal support rod comprises a telescopic cylinder, and the telescopic cylinder is connected with the spraying pipe body. The telescopic rod is installed on the inner wall of the telescopic cylinder in a sliding mode, the limiting assembly is arranged on the surface of the telescopic cylinder, and the assembling structure comprises a first semicircular fixing plate, a second semicircular fixing plate, a first semicircular clamping plate and a second semicircular clamping plate, and the first semicircular clamping plate and the second semicircular clamping plate are fixedly installed on the surfaces of the first semicircular fixing plate and the second semicircular fixing plate respectively. According to the device, the transverse supporting rods are connected in a splicing mode through the threaded columns and the threaded holes, the device can be spliced in an extending mode to meet the length requirements of different tunnels, the longitudinal supporting rods are matched with the limiting assemblies through the telescopic rods, the radian of the water conveying pipe can be adjusted, and therefore the height changes of special-shaped sections such as a round section and a horseshoe section can be covered.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of concrete spraying maintenance, especially to a tunnel lining concrete spraying maintenance machine. BACKGROUND

[0002] In the field of tunnel concrete lining construction, spraying maintenance is a key process link to ensure the development of concrete strength. The Chinese utility model patent CN218376493U discloses a tunnel lining concrete spraying maintenance device, which innovatively proposes a circulating water utilization system to address the serious water resource waste problem in traditional maintenance operation. The core structure includes a support base with a moving function, an arch-shaped water conveying pipe assembly, a double water collection ring recycling device, and a multi-stage filtering mechanism. Specifically, the device cooperates with the arch-shaped water collection plate through the symmetrical water collection ring arranged on the outer wall of the water conveying pipe, which can effectively collect the backflow water body falling from the tunnel vault during the maintenance process, and the backflow water body is conveyed to the filtering device through the conduit for impurity separation, and finally realizes the recycling of water resources through the water inlet pipe. Compared with the traditional open spraying system, the technical scheme can improve the utilization rate of water resources, and has significant economic benefits and environmental protection value.

[0003] However, engineering practice has verified that the device still has the following technical limitations: the device adopts an integral frame design, and the key parameters such as the water conveying pipe diameter and the water collection ring are fixed values, which are difficult to adapt to the requirements of tunnel engineering with different section sizes. In view of the above defects, the tunnel lining concrete spraying maintenance machine is proposed. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the defects in the prior art and provides a tunnel lining concrete spraying maintenance machine.

[0005] In order to solve the problems in the prior art, the utility model adopts the following technical scheme: a tunnel lining concrete spraying maintenance machine, comprising:

[0006] A spraying pipe body;

[0007] A spraying frame, the spraying frame comprises a transverse support rod, a longitudinal support rod, and a pipe clamp arranged on the upper end of the longitudinal support rod;

[0008] The longitudinal support rod comprises a telescopic cylinder, a telescopic rod slidingly installed on the inner wall of the telescopic cylinder, and a limiting assembly arranged on the surface of the telescopic cylinder;

[0009] The assembly structure comprises a first semicircular fixing plate, a second semicircular fixing plate, and first and second semicircular clamping plates fixedly installed on the surfaces of the first and second semicircular fixing plates respectively, the surfaces of the first semicircular fixing plate, the second semicircular fixing plate, the first semicircular clamping plate and the second semicircular clamping plate are provided with bolt holes, and the inner walls of the bolt holes are provided with assembly bolts.

[0010] Preferably, a threaded column is fixedly installed at the left end of the transverse support rod, a threaded hole is formed at the right end of the transverse support rod, and the threaded column is matched with the threaded hole.

[0011] Preferably, the spray pipe body comprises a water delivery pipe, a spray head fixedly installed on the surface of the water delivery pipe, and a pipe joint.

[0012] Preferably, the inner walls of the first semicircular fixing plate and the second semicircular fixing plate are fixedly installed with protruding blocks, and the surface of the transverse support rod is provided with planar grooves matched with the protruding blocks.

[0013] Preferably, the limiting assembly comprises a tapered groove formed in the inner wall of the telescopic cylinder, a tapered spring sleeve sleeved on the surface of the telescopic rod, and a locking cap threadedly connected to the surface of the telescopic cylinder.

[0014] Preferably, the surface of the locking cap is provided with a through hole for the telescopic rod to pass through.

[0015] Preferably, the surface of the telescopic cylinder is fixedly installed with a limiting pin, and the surfaces of the first semicircular clamping plate and the second semicircular clamping plate are provided with limiting grooves matched with the limiting pin.

[0016] Preferably, the pipe clamp is fixedly installed at the upper end of the telescopic rod.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] 1. The transverse support rod is connected through the splicing of the threaded column and the threaded hole, can be extended and spliced to adapt to different tunnel length requirements, the longitudinal support rod is matched with the limiting assembly, and the arc of the water delivery pipe can be adjusted, so that the height change of the special-shaped section such as a circle and a horseshoe can be covered.

[0019] 2. The transverse support rod and the longitudinal support rod can be assembled and disassembled through the assembly structure, and the modular design is adopted, so that the device can be disassembled after use, and transportation is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings described herein are used to provide further understanding of the utility model, and the schematic embodiments of the utility model and the description thereof are used to explain the utility model and do not constitute improper limitation. In the drawings:

[0021] Figure 1 is a perspective view of the utility model;

[0022] Figure 2 is a front view of the limiting assembly of the utility model;

[0023] Figure 3 is a side view of the assembly structure of the utility model;

[0024] Figure 4 is a perspective view of the horizontal support rod of the utility model;

[0025] Figure 5 is a perspective view of the telescopic cylinder of the utility model;

[0026] Figure 6 is a perspective view of the assembly structure of the utility model.

[0027] In the figure, serial number: 10 horizontal support rod, 11 pipe clamp, 20 telescopic cylinder, 21 telescopic rod, 30 first semicircular fixing plate, 31 second semicircular fixing plate, 32 first semicircular clamp plate, 33 second semicircular clamp plate, 34 assembly bolt, 40 threaded column, 50 water delivery pipe, 51 spray head, 52 pipe joint, 60 protruding block, 61 planar groove, 70 conical spring clamp sleeve, 71 locking cap, 80 limiting pin, 81 limiting groove. DETAILED DESCRIPTION

[0028] 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.

[0029] Please refer to Figures 1-6 The utility model provides a technical scheme: a tunnel lining concrete spraying maintenance machine, which comprises a spraying pipe body, a spraying frame and an assembly structure.

[0030] The spraying pipe body comprises a water delivery pipe 50, a spray head 51 fixedly installed on the surface of the water delivery pipe 50 and a pipe joint 52. The pipe joint 52 is a prior art, and a plurality of water delivery pipes 50 can be assembled into an integral whole water delivery pipe by using the pipe joint 52. The spray head 51 can spray water in the water delivery pipe 50 out, and the water delivery pipe 50 is connected with an external water supply system.

[0031] The spraying frame comprises a horizontal support rod 10, a longitudinal support rod and a pipe clamp 11 arranged on the upper end of the longitudinal support rod. The left end of the horizontal support rod 10 is fixedly installed with a threaded column 40, and the right end of the horizontal support rod 10 is provided with a threaded hole which is matched with the threaded column 40. The threaded column 40 at one end of one horizontal support rod 10 is screwed into the threaded hole of another horizontal support rod 10, so that the two horizontal support rods 10 can be installed into an integral whole, and different lengths of tunnels can be adapted by sequentially splicing.

[0032] The longitudinal support rod comprises a telescopic cylinder 20, a telescopic rod 21 slidingly installed on the inner wall of the telescopic cylinder 20, and a limiting assembly arranged on the surface of the telescopic cylinder 20, and a pipe clamp 11 is fixedly installed on the upper end of the telescopic rod 21, and the pipe clamp 11 is a prior art and can clamp and fix the water conveying pipe 50.

[0033] The limiting assembly comprises a conical groove opened on the inner wall of the telescopic cylinder 20, a conical spring sleeve 70 sleeved on the surface of the telescopic rod 21, and a locking cap 71 threadedly connected on the surface of the telescopic cylinder 20, and the surface of the locking cap 71 is provided with a through hole for the telescopic rod 21 to pass through, and the conical spring sleeve 70 is a split type elastic metal sleeve.

[0034] Pulling the telescopic rod 21 can make the telescopic rod 21 slide on the inner wall of the telescopic cylinder 20, so that the length of the telescopic rod 21 extending out can be adjusted, and when the length adjustment is completed, the locking cap 71 is tightened, the conical spring sleeve 70 is pushed to slide along the conical groove, and the inner diameter of the conical spring sleeve 70 is forced to be reduced to clamp the telescopic rod 21.

[0035] The assembly structure comprises a first semicircular fixed plate 30, a second semicircular fixed plate 31, and a first semicircular clamping plate 32 and a second semicircular clamping plate 33 fixedly installed on the surfaces of the first semicircular fixed plate 30 and the second semicircular fixed plate 31 respectively, and the surfaces of the first semicircular fixed plate 30, the second semicircular fixed plate 31, the first semicircular clamping plate 32 and the second semicircular clamping plate 33 are provided with bolt holes, and the inner walls of the bolt holes are provided with assembly bolts 34, the first semicircular fixed plate 30 and the second semicircular fixed plate 31 are combined, at this time, the first semicircular clamping plate 32 and the second semicircular clamping plate 33 are also combined, and then the first semicircular fixed plate 30, the second semicircular fixed plate 31, the first semicircular clamping plate 32 and the second semicircular clamping plate 33 can be fixed as a whole by using the assembly bolts 34.

[0036] The inner walls of the first semicircular fixed plate 30 and the second semicircular fixed plate 31 are fixedly installed with protruding blocks 60, and the surface of the transverse support rod 10 is provided with a planar groove 61 matched with the protruding blocks 60, the first semicircular fixed plate 30 and the second semicircular fixed plate 31 are placed in the position of the planar groove 61, and then the first semicircular fixed plate 30 and the second semicircular fixed plate 31 are fixed as a whole by using the assembly bolts 34, at this time, the protruding blocks 60 will contact the planar groove 61, so that the first semicircular fixed plate 30 and the second semicircular fixed plate 31 can be fixed on the transverse support rod 10.

[0037] The surface of the telescopic cylinder 20 is fixedly provided with a limiting pin 80, and the surface of each of the first semicircular clamping plate 32 and the second semicircular clamping plate 33 is provided with a limiting groove 81 matched with the limiting pin 80, the limiting pin 80 is inserted into the limiting groove 81 on the first semicircular clamping plate 32 and the second semicircular clamping plate 33, and then the first semicircular clamping plate 32 and the second semicircular clamping plate 33 are combined by using the assembly bolt 34, so that the telescopic cylinder 20 can be fixed in the first semicircular clamping plate 32 and the second semicircular clamping plate 33, and the transverse support rod 10 and the longitudinal support rod can be assembled into an integrated body by using the assembly structure.

[0038] The transverse support rod 10 is connected by splicing the threaded column 40 and the threaded hole, can be extended and spliced to adapt to different tunnel length requirements, after the assembly structure is used to assemble a plurality of longitudinal support rods and the transverse support rod 10 into an integrated body, the extension length of the telescopic rod 21 can be adjusted by using the telescopic rod 21 and the limiting assembly, so that the arc of the water delivery pipe 50 can be adjusted, and then the height change of the special-shaped section such as a circle and a horseshoe can be covered, and the transverse support rod 10 and the longitudinal support rod can be assembled and disassembled by using the assembly structure, and a modular design is adopted, so that the device can be disassembled after use, and transportation is facilitated.

[0039] Specifically, the working principle and operation method of the utility model are as follows:

[0040] The threaded splicing mechanism is that the threaded column 40 at the left end of the transverse support rod 10 is screwed with the threaded hole at the right end of the adjacent transverse support rod 10, and an axial extension splicing structure is formed.

[0041] The telescopic rod 21 height control is that the locking cap 71 is unlocked, the telescopic rod 21 is pulled to the target height, the tapered spring sleeve 70 is matched with the tapered groove in the inner wall of the telescopic cylinder 20 at this time, the locking cap 71 is screwed, the tapered spring sleeve 70 is radially contracted to clamp the telescopic rod 21 through the threaded thrust force, and the fixing of the telescopic rod 21 is realized.

[0042] The arc-shaped water delivery pipeline is formed by adjusting the telescopic amount of each longitudinal support rod, and driving the water delivery pipe 50 on the pipeline clamp 11 to deform and adapt to the tunnel.

[0043] The equipment connection is that the water delivery pipe 50 is connected with an external water supply system, and the spraying frame is connected with an external walking mechanism, (the surface of the transverse support rod 10 is provided with mounting hole positions, and the moving platform of the external walking mechanism can be fixed by using bolts), so that spraying can be realized.

[0044] The above merely describes a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and concept of the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A tunnel lining concrete spraying and curing machine characterized by, The utility model relates to a shower nozzle assembly structure, including: Spray pipe body; Spray frame, the spray frame includes transverse support rod (10), longitudinal support rod and pipeline clamp (11) arranged on the upper end of longitudinal support rod, The longitudinal support rod includes telescopic cylinder (20), telescopic rod (21) slidingly installed on the inner wall of telescopic cylinder (20) and limiting assembly arranged on the surface of telescopic cylinder (20), The assembly structure includes first semicircular fixed plate (30), second semicircular fixed plate (31) and first semicircular clamping plate (32) and second semicircular clamping plate (33) fixedly installed on the surface of first semicircular fixed plate (30) and second semicircular fixed plate (31) respectively, the surface of first semicircular fixed plate (30), second semicircular fixed plate (31), first semicircular clamping plate (32) and second semicircular clamping plate (33) is all set with bolt hole, and the inner wall of bolt hole is provided with assembly bolt (34).

2. A tunnel lining concrete spraying and curing machine according to claim 1, characterized in that: The left end of the transverse support rod (10) is fixedly installed with threaded column (40), the right end of the transverse support rod (10) is provided with threaded hole, and the threaded column (40) is matched with the threaded hole.

3. The tunnel lining concrete spraying and curing machine according to claim 1, characterized in that: The spray pipe body includes water delivery pipe (50), spray head (51) fixedly installed on the surface of water delivery pipe (50) and pipeline joint (52).

4. The tunnel lining concrete spraying and curing machine according to claim 1, characterized in that: The inner wall of first semicircular fixed plate (30) and second semicircular fixed plate (31) is fixedly installed with protruding block (60), and the surface of transverse support rod (10) is provided with plane groove (61) matched with protruding block (60).

5. The tunnel lining concrete spraying and curing machine according to claim 1, characterized in that: The limiting assembly includes tapered groove set in the inner wall of telescopic cylinder (20), tapered spring sleeve (70) sleeved on the surface of telescopic rod (21) and locking cap (71) screwed on the surface of telescopic cylinder (20).

6. A tunnel lining concrete spraying and curing machine according to claim 5, wherein: The surface of locking cap (71) is provided with through hole for telescopic rod (21) to pass through.

7. The tunnel lining concrete spraying and curing machine according to claim 1, characterized in that: The surface of telescopic cylinder (20) is fixedly installed with limiting pin (80), and the surface of first semicircular clamping plate (32) and second semicircular clamping plate (33) is provided with limiting groove (81) matched with limiting pin (80).

8. The tunnel lining concrete spraying and curing machine according to claim 1, characterized in that: The pipeline clamp (11) is fixedly installed on the upper end of telescopic rod (21).

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