Tunnel drainage pipe concrete blockage dredging device

Abstract

The utility model provides a tunnel drain pipe concrete blockage dredging device, and relates to the technical field of drain pipe dredging, a longitudinal beam is fixed between two cross beams, a base is movably arranged on the periphery of the longitudinal beam, a sleeve and a drill rod are rotatably arranged on one side of the base, and an extension piece is arranged between the sleeve and the drill rod; the extension piece comprises a connecting rod and a sealing ring, the sealing ring is arranged at one end, away from the base, of the connecting rod and one end, away from the base, of the sleeve, and the connecting rod is detachably arranged between the sleeve and the drill rod. Concrete in a drainage pipe in a tunnel lining inspection well can be dredged and cleaned through the drill rod which rotates while being pushed, the cleaning efficiency is improved, meanwhile, the detachable connecting rod in the extension piece can be controlled to be separated from the sleeve, a new connecting rod is additionally arranged between the sleeve and the original connecting rod, and the service life of the novel connecting rod is prolonged. The multi-section extension of the drill rod is realized, and drainage pipes with different lengths and lining inspection wells with smaller areas are dealt with.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drainage pipe dredging technical field, concretely relates to a tunnel drainage pipe concrete blockage dredging device. BACKGROUND

[0002] At present, with a large number of highway tunnels put into operation, the problem of highway tunnel leakage water is aggravated year by year, and in some cases, it has affected the normal operation safety of highway tunnels. In the process of tunnel maintenance research and detection, it has been found that the severity of leakage in some sections is closely related to poor tunnel drainage, and the failure of the function of the tunnel drainage system is one of the direct causes of tunnel leakage. The tunnel drainage system is mainly composed of ring drainage blind pipes behind the lining, longitudinal drainage pipes and side drainage ditches or central drainage ditches, etc. During construction and operation, these drainage system components are either laid under the tunnel pavement or behind the tunnel lining structure, which are concealed engineering. However, with the increasing number and time of tunnels put into operation, it is found during maintenance and detection that the problem of tunnel drainage system blockage or drainage function failure is more serious, mainly manifested as: checking the longitudinal drainage pipe behind the lining from the lining inspection well, it is found that there are concrete, white calcium carbonate crystals, etc. inside, which affects the drainage area and reduces or even loses the drainage function.

[0003] At present, the longitudinal drainage blind pipe behind the lining can only be checked and dredged through the lining inspection well every 50-100m. The lining inspection well is arranged in the second lining of the tunnel, and the size is generally about 70cm (longitudinal length along the tunnel direction) x 40cm (width along the tunnel transverse direction) x 160cm (height along the tunnel ring direction) of a semi-closed window. Due to the small space of the lining inspection well, manual cleaning is mainly used during garbage cleaning, and the concrete and white calcium carbonate crystals deposited inside the longitudinal drainage blind pipe behind the lining cannot be cleaned. Therefore, according to the actual use, a tunnel drainage pipe concrete blockage dredging device is provided. CONTENT OF THE UTILITY MODEL

[0004] In view of the above problems, the utility model aims at providing a tunnel drainage pipe concrete blockage dredging device.

[0005] To achieve the technical purpose, the utility model provides a tunnel drainage pipe concrete blockage dredging device, which comprises a cross beam, two longitudinal beams are fixed between the cross beams, a base is movably arranged on the periphery of the longitudinal beam, a sleeve and a drill rod are rotatably arranged on one side of the base, and an extension piece is arranged between the sleeve and the drill rod.

[0006] The inner side of one of the cross beams is fixed with a first servo motor through a mounting frame, the output end of the first servo motor is fixed with a lead screw, the two ends of the lead screw are rotationally arranged with the inner side of the cross beam through bearings, and the outer periphery of the lead screw is threadedly provided with a lead screw sleeve, the upper surface of the lead screw sleeve is welded with the lower surface of the base for driving the base to move.

[0007] Preferably, the bottom of the base is sleeved with the longitudinal beam, a second servo motor is fixed in the side of the base, and the output end of the second servo motor is welded with the sleeve for driving the sleeve to rotate.

[0008] Preferably, the one end of the connecting rod and the drill rod close to the base are integrally provided with a protrusion and a positioning pin, and the protrusion is provided with a through hole.

[0009] Preferably, the one end of the sleeve and the connecting rod away from the base are provided with a recess and a positioning hole.

[0010] Preferably, the outer edge of the recess is fixed with a sealing ring through a rivet, the sealing ring is conical, the inner edge of the sealing ring is provided with a cutout, and the sealing ring is sleeved with the protrusion after the protrusion is inserted into the recess.

[0011] Preferably, a double-headed screw rod is arranged through the recess, and the two ends of the double-headed screw rod are respectively threadedly provided with nuts.

[0012] 1. The device has small size and can be directly placed in a lining inspection well for use.

[0013] 2. In use, the detachable connecting rod in the extension piece can be separated from the sleeve, a new connecting rod is added between the sleeve and the original connecting rod, the drill rod is extended in multiple sections, different lengths of drainage pipes and smaller area lining inspection wells can be coped with.

[0014] 3. In the process of inserting the protrusion into the recess, the protrusion slides against the inner wall of the sealing ring, the sealing ring can scrape off the soil on the outer surface of the protrusion, prevents the protrusion from bringing the soil into the recess, prevents the extension of the drill rod from being blocked and worn, and provides convenience for installation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is an extension piece schematic view of the utility model;

[0017] Figure 3The sleeve schematic diagram of the utility model;

[0018] Figure 4 The drill pipe schematic diagram of the utility model;

[0019] Figure 5 The double-end screw rod and sealing ring schematic diagram of the utility model.

[0020] 1, crossbeam, 2, longitudinal beam, 3, base, 4, drill pipe, 5, sleeve, 6, extension piece, 61, connecting rod, 62, lug, 63, positioning pin, 64, through hole, 65, recess, 66, positioning hole, 67, double-end screw rod, 68, sealing ring, 7, no. 1 servo motor, 8, screw rod, 9, screw rod sleeve, 10, no. 2 servo motor. DETAILED DESCRIPTION

[0021] The utility model will be further explained in detail below in combination with the drawings and specific embodiments. In order to clearly and completely describe the technical scheme, the following embodiments are selected for description; based on the content recorded in the present application, other embodiments obtained without creative labor are within the protection scope of the utility model.

[0022] In the following embodiments, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "top / bottom" and other orientation or position relationships are based on the orientation or position relationship shown in the drawings, and are only for the convenience of clearly describing the embodiments, and do not indicate or imply that the device or element must have a specific orientation, so it cannot be understood as a limitation on the present application.

[0023] As Figures 1 to 5 shown, the tunnel drainage pipe concrete blockage dredging device provided by the embodiment of the application comprises a crossbeam 1, two crossbeams 1 are fixed with longitudinal beams 2, the longitudinal beams 2 are movably provided with bases 3 on the periphery, the bases 3 are rotatably provided with sleeves 5 and drill pipes 4 on one side, and extension pieces 6 are arranged between the sleeves 5 and the drill pipes 4; the extension piece 6 comprises a connecting rod 61 for extension and a sealing ring 68 for scraping off soil and preventing water, the connecting rod 61 and one end of the sleeve 5 away from the base 3 are both provided with the sealing ring 68, and the connecting rod 61 is detachably arranged between the sleeve 5 and the drill pipe 4 to realize extension of the drill pipe 4.

[0024] Reference Figure 1One of the inner side of the beam 1 is fixed with a servo motor 7 through the mounting bracket, the output end of the servo motor 7 is fixed with a lead screw 8, the both ends of the lead screw 8 is rotatably arranged through the bearing with the inner side of the beam 1, the outer periphery of the lead screw 8 is threadedly provided with a lead screw sleeve 9, the upper surface of the lead screw sleeve 9 is welded with the lower surface of the base 3 for driving the base 3 to move. The bottom of the base 3 is sleeved with the longitudinal beam 2, the inner side of one side of the base 3 is fixed with a second servo motor 10, the output end of the second servo motor 10 is welded with the sleeve 5 for driving the sleeve 5 to rotate and drive the drill rod 4 to rotate. The inner diameter of the tunnel lining longitudinal drainage pipe is generally about 102-104mm, the outer diameter is 110mm, considering the deformation caused by the secondary lining concrete pouring during the construction period, the maximum outer diameter of the drill rod 4 is designed to be 80mm; the drill rod 4 is a spiral drill with the maximum outer diameter less than 90mm, the length of each drill rod 4 is 30cm; the length of the connecting rod 61 is 40-60cm;

[0025] Reference Figure 1 The connecting rod 61 and one end of the drill rod 4 close to the base 3 are integrally provided with a protrusion 62 and a positioning pin 63, and the protrusion 62 is provided with a through hole 64. The sleeve 5 and one end of the connecting rod 61 away from the base 3 are provided with a recess 65 and a positioning hole 66, and the positioning pin 63 is located in the positioning hole 66 to lock the connecting rod 61.

[0026] Reference Figure 1 The outer edge of the recess 65 is fixed with a sealing ring 68 through a rivet, the sealing ring 68 is tapered, and the inner edge of the sealing ring 68 is provided with a cutout to better fit the protrusion 62, and the sealing ring 68 is sleeved with the protrusion 62 when the protrusion 62 is inserted into the recess 65. A double-headed screw 67 is provided through the recess 65, and the both ends of the double-headed screw 67 are threadedly provided with nuts, the double-headed screw 67 passes through the through hole 64 when the protrusion 62 is inserted into the recess 65, and the nuts are tightened against the sleeve 5 or the connecting rod 61 to fix the connecting rod 61 and the drill rod 4 or the sleeve 5.

[0027] Working principle: the device has small volume and can be directly placed in the lining inspection well for use, in use, the first servo motor 7 is started to drive the lead screw 8 to rotate, and the second servo motor 10 is started to drive the sleeve 5 and the connecting rod 61 in the extension piece 6 to make the drill rod 4 rotate, the lead screw sleeve 9 drives the base 3 to push the rotating drill rod 4 forward when the lead screw 8 rotates, and the inside of the drainage pipe in the lining inspection well can be dredged and cleaned by the drill rod 4 which is pushed and rotated at the same time, the inside of the drainage pipe is dredged and broken, and the cleaning efficiency is improved.

[0028] When the drill pipe 4 needs to be lengthened to deal with a longer drain pipe in use, the nut at one end of the double-headed screw rod 67 in the sleeve 5 is screwed, and then the double-headed screw rod 67 is pulled out of the through hole 64, and then the first servo motor 7 is started in reverse to drive the sleeve 5 to retreat through the screw sleeve 9, so that the sleeve 5 is separated from the protrusion 62 at one end of the original connecting rod 61, then a new connecting rod 61 is added between the sleeve 5 and the original connecting rod 61, and then the recess 65 of the newly added connecting rod 61 is fitted with the protrusion 62 at one end of the original connecting rod 61, and the protrusion 62 at one end of the newly added connecting rod 61 is also fitted with the recess 65 in one end of the sleeve 5, and then the double-headed screw rod 67 is inserted into the two through holes 64 in one end of the sleeve 5 and the original connecting rod 61 respectively, so that the newly added connecting rod 61 is fixed between the original connecting rod 61 and the sleeve 5, realizing multi-section lengthening of the drill pipe 4 to deal with drain pipes of different lengths and small-area lining inspection wells.

[0029] During the process of inserting the protrusion 62 into the recess 65, the protrusion 62 will slide against the inner wall of the sealing ring 68, and the sealing ring 68 can scrape off the soil on the outer surface of the protrusion 62 to prevent the protrusion 62 from bringing soil into the recess 65, which will cause obstruction and wear during lengthening of the drill pipe 4, and provide convenience for installation.

[0030] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any slight modification, equivalent replacement and improvement of the above embodiment according to the technical essence of the present application shall be included in the protection scope of the technical scheme of the present application.

Claims

1. A kind of tunnel drainpipe concrete blockage dredging device, including crossbeam (1), two described crossbeam (1) between fixed longitudinal beam (2), it is characterized in that: The longitudinal beam (2) periphery is movably provided with a base (3), one side of the base (3) is rotatably provided with a sleeve (5) and a drill rod (4), the sleeve (5) and the drill rod (4) are provided with an extension piece (6) between them; The extension piece (6) comprises a connecting rod (61) and a sealing ring (68), the connecting rod (61) and the sleeve (5) are provided with a sealing ring (68) at one end away from the base (3), the connecting rod (61) is detachably arranged between the sleeve (5) and the drill rod (4); One of the inner sides of the cross beam (1) is fixed with a servo motor (7) through a mounting bracket, the output end of the servo motor (7) is fixed with a lead screw (8), the two ends of the lead screw (8) are rotatably arranged on the inner side of the cross beam (1) through bearings, the outer periphery of the lead screw (8) is provided with a lead screw sleeve (9), the upper surface of the lead screw sleeve (9) is welded with the lower surface of the base (3) for driving the base (3) to move.

2. The tunnel drain concrete plug unblocking device of claim 1, wherein: The bottom of the base (3) is sleeved with the longitudinal beam (2), one side of the base (3) is fixedly provided with a second servo motor (10), the output end of the second servo motor (10) is welded with the sleeve (5) for driving the sleeve (5) to rotate.

3. The tunnel drain concrete plug unblocking device of claim 1, wherein: The one end of the connecting rod (61) and the drill rod (4) close to the base (3) is integrally provided with a protrusion (62) and a positioning pin (63), the protrusion (62) is provided with a through hole (64) in it.

4. The tunnel drain concrete plug unblocking device of claim 3, wherein: The one end of the sleeve (5) and the connecting rod (61) away from the base (3) is provided with a recess (65) and a positioning hole (66) in it.

5. The tunnel drain concrete plug unblocking device of claim 4, wherein: The outer edge of the recess (65) is fixed with a sealing ring (68) through a rivet, the sealing ring (68) is tapered and the inner edge of the sealing ring (68) is provided with a notch, when the protrusion (62) is inserted into the recess (65), the sealing ring (68) is sleeved with the protrusion (62).

6. The tunnel drain concrete plug unblocking device of claim 5, wherein: The recess (65) is provided with a double-headed screw rod (67) through it, the two ends of the double-headed screw rod (67) are respectively provided with nuts in screw threads, when the protrusion (62) is inserted into the recess (65), the double-headed screw rod (67) passes through the through hole (64).

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