Spraying device for tunnel trolley maintenance

Abstract

The utility model discloses a tunnel trolley maintenance spraying device which comprises a trolley door frame and a spraying pipe fitting and further comprises a lifting base and a pushing mechanism, the spraying pipe fitting comprises a first water supply hose, a top arch plate and two side arch plates, the two side arch plates are movably installed at the two ends of the top arch plate in a hinged mode respectively, the top arch plate is fixedly installed at the upper end of the lifting base, and the top arch plate is fixedly installed at the lower end of the lifting base. Hydraulic rods are movably hinged to the two sides of the lifting base, piston shafts of the hydraulic rods are movably hinged to the side arch plates at the corresponding positions, and the pushing mechanism is installed on the trolley portal. When the trolley portal encounters a narrow section, the spraying pipe fitting can be controlled to descend through the lead screw motor, then the hydraulic rod is started to rotate the two side arch plates towards the position of the lifting seat, and the whole spraying pipe fitting can be folded at the moment, so that the trolley portal can conveniently pass through the narrow section, collision between the spraying pipe fitting and a tunnel wall is avoided, and the service life of the spraying pipe fitting is prolonged; when tunnels with different heights need to be sprayed, the height of the spraying pipe fitting can be accurately controlled through the lead screw motor, and therefore the spraying requirement is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel trolley equipment technical field more specifically, especially relates to a tunnel trolley maintenance spraying device BACKGROUND

[0002] With the rapid development of infrastructure, the proportion of railway and highway tunnels is higher and higher, and the requirement for tunnel construction quality is higher and higher, so after tunnel pouring construction, the concrete needs to be sprayed and maintained. At present, the commonly used method is to set up a spraying system on a maintenance trolley to maintain the concrete.

[0003] Patent publication number CN 217538732U discloses a tunnel maintenance trolley, which can adapt to tunnels of different sizes. The spraying system can be adjusted to a suitable distance for tunnels of different heights, ensuring that the sprayed water mist and the top surface of the tunnel have a suitable contact area, thereby improving the maintenance effect.

[0004] However, the above-mentioned spraying pipe cannot be adjusted in angle and cannot be folded. If a narrow position is encountered, the spraying pipe will collide with the tunnel wall, causing damage. At the same time, the lifting is adjusted manually, which is relatively cumbersome and has poor precision. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a tunnel trolley maintenance spraying device that can be folded and lifted.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a tunnel trolley maintenance spraying device, comprising a trolley portal and a spraying pipe, further comprising a lifting seat and a pushing mechanism, the spraying pipe comprises a first water supply hose, a top arch plate and two side arch plates, the two side arch plates are respectively movably hinged to the ends of the top arch plate, the top arch plate and the two side arch plates are uniformly fixed with a plurality of nozzles at the top, the first water supply hose is installed below the top arch plate and the side arch plates, the nozzles are connected to the first water supply hose through a joint, the top arch plate is fixedly installed on the upper end of the lifting seat, hydraulic rods are movably hinged to the two sides of the lifting seat, the piston shafts of the hydraulic rods are movably hinged to the corresponding side arch plates, the pushing mechanism is installed on the trolley portal, and the pushing mechanism is used to control the lifting of the lifting seat.

[0007] Preferably, the pushing mechanism comprises a lead screw motor, a threaded shaft sleeve and two pull rods, the lead screw motor is fixedly installed at the inner top of the trolley portal, the threaded shaft sleeve is connected to the lead screw shaft of the lead screw motor, the two pull rods are respectively fixedly installed at the two ends of the threaded shaft sleeve, and the upper ends of the pull rods penetrate the upper part of the trolley portal and are fixedly connected to the lifting seat.

[0008] Preferably, support rods are fixedly installed at both sides of the inner top of the trolley gantry at positions on both sides of the screw motor, limit sleeve plates are fixedly installed at lower ends of the two support rods, a screw rod shaft of the screw motor is movably penetrated through the limit sleeve plates, and a sleeve ring is fixedly installed above the limit sleeve plates at a position of the screw rod shaft of the screw motor.

[0009] Preferably, receiving grooves are vertically formed at both sides of the lifting seat, and the hydraulic rods are movably hingedly installed at upper ends of the receiving grooves.

[0010] Preferably, a water tank is fixedly installed on the trolley gantry, a water channel is formed in the middle of the lifting seat, the water tank is connected in communication with the water channel through a second water supply hose, and the water channel is connected in communication with the first water supply hose at an upper end thereof.

[0011] Preferably, a water pump is installed in the water tank, and a water delivery end of the water pump is connected in communication with the second water supply hose.

[0012] Compared with the prior art, the spray pipe folding device has the following advantages:

[0013] When the trolley gantry encounters a narrow section, the spray pipe folding device can be controlled to fold through the screw motor, the two side arch plates are rotated to the lifting seat position through the hydraulic rods, the entire spray pipe folding device can be folded at this time, the spray pipe folding device can pass through the narrow section conveniently, and the spray pipe folding device is prevented from colliding with a tunnel wall, thereby prolonging the service life of the spray pipe folding device. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0015] Figure 1 is a structural view of a tunnel trolley maintenance spraying device of the present application;

[0016] Figure 2 is a sectional view of a lifting seat of the present application;

[0017] Figure 3 is Figure 1 is an enlarged schematic view of structure at position A in FIG.

[0018] Figure 4 is Figure 1 is an enlarged schematic view of structure at position B in FIG.

[0019] In the figure: 1, trolley gantry; 2, spray pipe fittings; 21, top arch plate; 22, side arch plate; 23, spray head; 24, first water supply hose; 25, joint; 3, lifting seat; 31, water channel; 32, storage groove; 4, hydraulic rod; 5, pushing mechanism; 51, screw rod motor; 52, support rod; 53, limiting sleeve disc; 54, sleeve ring; 55, threaded shaft sleeve; 56, pull rod; 6, water tank; 61, second water supply hose. DETAILED DESCRIPTION

[0020] The preferred embodiments of the utility model are described in detail below with reference to the drawings, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0021] Reference Figures 1-4 As shown in the figure, the utility model provides a kind of tunnel trolley maintenance spray device, including trolley gantry 1 and spray pipe fittings 2, still including lifting seat 3 and pushing mechanism 5, the spray pipe fittings 2 include first water supply hose 24, top arch plate 21 and two side arch plates 22, top arch plate 21 and two side arch plates 22 are arc stainless steel material structure, two the side arch plate 22 is respectively movably hinged and installed at top arch plate 21 both ends, and multiple spray heads 23 are uniformly fixedly installed at the top of top arch plate 21 and two side arch plates 22, the first water supply hose 24 is installed below top arch plate 21 and side arch plate 22, the spray head 23 is connected with the first water supply hose 24 by joint 25, the top arch plate 21 is fixedly installed on the upper end of lifting seat 3, and hydraulic rod 4 is movably hinged and installed on the both sides of lifting seat 3, and the piston shaft of hydraulic rod 4 is movably hinged with corresponding position side arch plate 22, the pushing mechanism 5 is installed on trolley gantry 1, and the pushing mechanism 5 is used to control the lifting of lifting seat 3.

[0022] In the embodiment, the pushing mechanism 5 includes screw rod motor 51, threaded shaft sleeve 55 and two pull rods 56, the screw rod motor 51 is fixedly installed at the top of trolley gantry 1, the threaded shaft sleeve 55 is connected with the screw rod shaft of screw rod motor 51, and two pull rods 56 are fixedly installed at both ends of threaded shaft sleeve 55, and the upper end of pull rod 56 penetrates the upper part of trolley gantry 1 and is fixedly connected with lifting seat 3.

[0023] Further, in order to reduce the tension received by the screw rod shaft of screw rod motor 51, thereby prolonging its service life, in the embodiment, support rods 52 are fixedly installed at both sides of the top of trolley gantry 1, limiting sleeve discs 53 are fixedly installed at the lower ends of two support rods 52, the screw rod shaft of screw rod motor 51 movably penetrates limiting sleeve disc 53, and a sleeve ring 54 is fixedly installed above the limiting sleeve disc 53 of screw rod motor 51, the sleeve ring 54 is in contact with limiting sleeve disc 53, and can support screw rod motor 51.

[0024] Further, in order to reduce the space occupation, in the embodiment, the lifting seat 3 is vertically provided with a receiving groove 32 on both sides, and the hydraulic rod 4 is movably hingedly installed on the upper end of the receiving groove 32, so that the hydraulic rod 4 can be received in the receiving groove 32.

[0025] In the embodiment, the trolley gantry 1 is fixedly provided with a water tank 6, the lifting seat 3 is provided with a water channel 31 in the middle, the water tank 6 is connected with the water channel 31 through a second water supply hose 61, and the upper end of the water channel 31 is connected with the first water supply hose 24.

[0026] Further, in order to realize the automatic spraying work of the spraying pipe 2, in the embodiment, a water pump is installed in the water tank 6, and the water pump is connected with the second water supply hose 61.

[0027] The specific operation steps are as follows: when the trolley gantry 1 encounters a narrow section, the spraying pipe 2 can be controlled to descend through the lead screw motor 51, and then the hydraulic rod 4 is started to rotate the two side arch plates 22 to the position of the lifting seat 3, at this time, the whole spraying pipe 2 can be folded up, so as to conveniently pass through the narrow section.

[0028] When it is necessary to spray different height tunnels, the height of the spraying pipe 2 can be accurately controlled through the lead screw motor 51, so as to meet the spraying demand.

[0029] Although the embodiments of the utility model are described in combination with the drawings, the patent owner can make various deformations or modifications within the scope of the appended claims, as long as they are within the protection scope described in the claims of the utility model, and should be within the protection scope of the utility model.

Claims

1. A tunnel trolley maintenance spraying device comprising a trolley portal and a spraying pipe, characterized in that: The lifting seat and the pushing mechanism are further included, the spray pipe comprises a first water supply hose, a top arch plate and two side arch plates, the two side arch plates are movably hingedly installed at two ends of the top arch plate respectively, a plurality of spray heads are uniformly and fixedly installed at top portions of the top arch plate and the two side arch plates, the first water supply hose is installed below the top arch plate and the side arch plates, the spray heads are connected with the first water supply hose in communication through joints, the top arch plate is fixedly installed at an upper end of the lifting seat, hydraulic rods are movably hingedly installed at both sides of the lifting seat, piston shafts of the hydraulic rods are movably hingedly connected with corresponding side arch plates, and the pushing mechanism is installed on the trolley gantry and used for controlling the lifting of the lifting seat.

2. The tunnel trolley maintenance spraying device of claim 1, wherein: The pushing mechanism comprises a lead screw motor, a threaded shaft sleeve and two pull rods, the lead screw motor is fixedly installed at an inner top portion of the trolley gantry, the threaded shaft sleeve is connected with a lead screw shaft of the lead screw motor in cooperation, the two pull rods are fixedly installed at two ends of the threaded shaft sleeve respectively, and upper ends of the pull rods are fixedly connected with the lifting seat in penetration of the trolley gantry.

3. The tunnel trolley maintenance spraying device of claim 2, wherein: Support rods are fixedly installed at both sides of the lead screw motor at the inner top portion of the trolley gantry, limit sleeve discs are fixedly installed at lower ends of the two support rods, the lead screw shaft of the lead screw motor is movably penetrated through the limit sleeve discs, and a sleeve ring is fixedly installed above the limit sleeve discs on the lead screw shaft of the lead screw motor.

4. The tunnel trolley maintenance spraying device of claim 1, wherein: Receiving grooves are vertically formed at both sides of the lifting seat, and one end of the hydraulic rod is movably hingedly installed at an upper end of the receiving groove.

5. The tunnel trolley maintenance spraying device of claim 1, wherein: A water tank is fixedly installed on the trolley gantry, a water channel is formed in the middle of the lifting seat, the water tank is connected with the water channel in communication through a second water supply hose, and the water channel is connected with the first water supply hose in communication at an upper end.

6. The tunnel trolley maintenance spraying device of claim 5, wherein: A water pump is installed in the water tank, and a water delivery end of the water pump is connected with the second water supply hose in communication.

Images