CN217110551U - Circulating water system for shield machine - Google Patents

Abstract

The utility model discloses a shield constructs machine circulating water system, including coolant tank and radiating fin, all run through on coolant tank top and the lateral wall and install radiating fin, chain sprocket group installs on the bottom shaft, and the bottom shaft passes through the both ends bearing frame and installs on the coolant tank inner wall to fixed mounting has the flabellum that hits water on the bottom shaft, fixed mounting has filtering mechanism on the coolant tank inner wall of hitting water flabellum below, top bottom of the case portion end runs through and is fixed with the horizontal pipe, and the horizontal pipe end is fixed on the coolant tank inner wall to the atomizer is installed perpendicularly to equidistant bottom of the horizontal pipe. This circulating water system for shield constructs machine adopts neotype structural design, through the atomizing to water, hits the means of beating and increase the air flow speed, makes water and air fully contact, realizes quick cooling, and cooperation filter mechanism makes the cooling water among the circulating water system can rapid cooling to remain pure throughout, guarantee that the shield constructs the machine and can normally work in succession.

Description

Circulating water system for shield machine

Technical Field

The utility model relates to a shield constructs quick-witted technical field, specifically is a circulating water system for shield constructs machine.

Background

The shield machine is a tunnel boring machine used in tunnel construction by shield method, the basic working principle of the shield machine is that a cylindrical steel component is pushed forward along the axis of the tunnel and excavates the soil, the shell of the cylindrical component is a shield and plays a role of temporary support for the excavated tunnel section which is not lined yet, the pressure of the surrounding soil layer is borne, the underground water pressure is borne and the underground water is blocked outside sometimes, the excavation, soil discharge, lining and other operations are carried out under the shield of the shield, the shield machine needs to be matched with a circulating water system to cool all parts of the working part, and the shield machine can be ensured to work continuously and normally.

The existing circulating water system for the shield machine is only a simple cooling water circulating system, when the shield machine is constructed in a tunnel, the air flow in the tunnel is relatively slow, the traditional cooling water circulating system is only cooled by a fan and copper radiating fins, the overall efficiency is low, quick cooling circulation cannot be performed, and impurities in the circulating water cannot be effectively filtered.

Therefore, a circulating water system for the shield tunneling machine is needed to be designed for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circulating water system for shield constructs machine to propose traditional cooling water circulating system and only cool off through fan and copper radiating fin in solving above-mentioned background art, overall efficiency is lower, can't carry out quick cooling cycle, and can't carry out the problem of effective filtering to the impurity in the circulating water.

In order to achieve the above object, the utility model provides a following technical scheme: a circulating water system for a shield machine comprises a cooling water tank and cooling fins, wherein the cooling fins are arranged on the top and the side wall of the cooling water tank in a penetrating manner, a blast pipe is fixedly arranged on the upper portion of one side of the cooling water tank in a penetrating manner, an upper discharge pipe is fixedly arranged at the bottom of the other side of the cooling water tank in a penetrating manner, a top box is fixedly arranged at the top of the cooling water tank, an adding pipe is fixedly arranged at the top end of the top box in a penetrating manner, a middle shaft is arranged in the center of the top box in a penetrating manner through a sealing bearing, a water flow fan is fixedly arranged in the middle shaft in the top box, a chain sprocket set is arranged at the tail end of the middle shaft outside the top box, the bottom end of the chain sprocket set is arranged on a bottom shaft, the bottom shaft is arranged on the inner wall of the cooling water tank through bearing blocks at two ends, a water-beating fan blade is fixedly arranged on the inner wall of the cooling water tank below the water-beating fan, a horizontal pipe is fixedly arranged at the bottom end of the top box, and the tail end of the horizontal pipe is fixed on the inner wall of the cooling water tank, and the bottom ends of the horizontal pipes are vertically provided with atomizing nozzles at equal intervals.

Preferably, the vertical shape of the feeding pipe is horizontally arranged in an L shape, and the vertical plane of the center of the vertical part of the feeding pipe is parallel to the vertical plane of the center of the top box.

Preferably, the water flow fan and the top box form a rotating mechanism through a middle shaft, the front view shape of the top box is circular, the water flow fan is distributed at equal angles relative to the middle shaft, and the water flow fan is arranged in a bent spoon shape.

Preferably, the water-beating fan blades are solid straight wide plates, the water-beating fan blades are distributed at equal angles relative to the bottom shaft, and the water-beating fan blades and the blast pipe are respectively arranged on two opposite side surfaces of the cooling water tank.

Preferably, the filtering mechanism comprises a net frame, an inner attached layer, a fine sand layer and an activated carbon layer, wherein the inner attached layer is fixed on the inner surface of the net frame, the fine sand layer is arranged on the inner side of the inner attached layer, and the activated carbon layer is arranged on the inner side of the fine sand layer.

Preferably, the fine sand layer is symmetrically distributed about the activated carbon layer, the thickness of the activated carbon layer is greater than that of the fine sand layer, and the inner attached layer outside the fine sand layer is fine gauze.

Compared with the prior art, the beneficial effects of the utility model are that: the circulating water system for the shield machine adopts a novel structural design, water is fully contacted with air by means of atomizing and beating water and increasing the air flow speed, so that quick cooling is realized, and cooling water in the circulating water system can be quickly cooled and always kept pure by matching with a filtering mechanism, so that the shield machine can continuously and normally work;

1. the water flow driving water beating fan blades can be driven to stably rotate by the aid of the water flow through the mutual matching of the adding pipe, the top box, the middle shaft, the water flow fan, the chain and chain wheel set and the bottom shaft, external power driving is not needed, and the water beating fan blades are matched with the horizontal pipe and the atomizing nozzle, so that dense water mist can be formed by water and mixed with high-speed air flow blown by the blast pipe to perform efficient cooling;

2. through high-efficient refrigerated water gathering and through filtering mechanism, filtering mechanism can effectively hold back the impurity of aquatic, then through the discharge pipe that the bottom set up, takes out the water that will cool off and filter the completion and arrange to the shield structure machine, guarantees that whole circulating water system can normally stable work.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the top box of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the filtering mechanism of the present invention.

In the figure: 1. a cooling water tank; 2. a heat dissipating fin; 3. a blast pipe; 4. a discharge pipe; 5. adding a tube; 6. a top box; 7. a middle shaft; 8. a water flow fan; 9. a chain sprocket set; 10. a bottom shaft; 11. water-beating fan blades; 12. a filtering mechanism; 1201. a screen frame; 1202. an inner adhesive layer; 1203. a fine sand layer; 1204. an activated carbon layer; 13. a horizontal tube; 14. an atomizing spray head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a circulating water system for a shield machine comprises a cooling water tank 1, radiating fins 2, a blast pipe 3, a discharge pipe 4, an adding pipe 5, a top tank 6, a middle shaft 7, a water flow fan 8, a chain sprocket group 9, a bottom shaft 10, a water-striking fan blade 11, a filtering mechanism 12, a net frame 1201, an inner attached layer 1202, a fine sand layer 1203, an activated carbon layer 1204, a horizontal pipe 13 and an atomizing spray head 14, wherein the radiating fins 2 are installed on the top and the side wall of the cooling water tank 1 in a penetrating way, the blast pipe 3 is fixedly installed on the upper portion of one side of the cooling water tank 1 in a penetrating way, the upper discharge pipe 4 is fixedly installed on the bottom of the other side of the cooling water tank 1 in a penetrating way, the top tank 6 is fixedly installed on the top of the cooling water tank 1, the adding pipe 5 is fixedly installed on the top of the top tank 6 in a penetrating way through a sealing bearing, the middle shaft 7 is fixedly installed in the top tank 6 in a penetrating way, the middle shaft 7 is fixedly installed on the inner portion of the top tank 6, and the middle shaft 7 is fixedly installed with the water flow fan 8, and the chain sprocket group 9 is installed at the tail end of the middle shaft 7 outside the top tank 6, chain sprocket group 9 bottoms are installed on end shaft 10, and end shaft 10 installs on 1 inner wall of cooling water tank through both ends bearing frame to fixed mounting has the fan blade 11 that blows on end shaft 10, and fixed mounting has filtering mechanism 12 on 1 inner wall of cooling water tank of the fan blade 11 below of beating, and 6 bottoms of top case run through and are fixed with horizontal pipe 13, and 13 ends of horizontal pipe are fixed on 1 inner wall of cooling water tank, and 13 bottoms of horizontal pipe are equidistant vertical atomization nozzle 14 of installing.

The vertical view of the feeding pipe 5 is horizontally arranged in an L shape, and the vertical plane of the center of the vertical part of the feeding pipe 5 is parallel to the vertical plane of the center of the top box 6.

The water flow fan 8 and the top box 6 form a rotating mechanism through the middle shaft 7, the front view shape of the top box 6 is circular, the water flow fan 8 is distributed at equal angles relative to the middle shaft 7, meanwhile, the water flow fan 8 is in a bent spoon shape, and due to the structural design, water in the adding pipe 5 can be pushed to rotate quickly after vertically flowing into the top box 6.

The water-beating fan blades 11 are solid straight wide plates, the water-beating fan blades 11 are distributed at equal angles relative to the bottom shaft 10, the water-beating fan blades 11 and the blast pipe 3 are respectively arranged on two opposite side surfaces of the cooling water tank 1, the structural design enables the water-beating fan blades 11 to beat a large area of water to generate water splash when rotating, a large amount of water is lifted to form the water splash, the water splash is fully contacted with the blown high-speed airflow by matching with the position of the blast pipe 3, and the cooling speed of the water is increased.

The filtering mechanism 12 comprises a net frame 1201, an inner attached layer 1202, a fine sand layer 1203 and an activated carbon layer 1204, wherein the inner attached layer 1202 is fixed on the inner surface of the net frame 1201, the fine sand layer 1203 is arranged on the inner side of the inner attached layer 1202, the activated carbon layer 1204 is arranged on the inner side of the fine sand layer 1203, and the structure can effectively adsorb impurity and debris in water.

The fine sand layer 1203 is symmetrically distributed about the activated carbon layer 1204, the thickness of the activated carbon layer 1204 is larger than that of the fine sand layer 1203, and the inner attached layer 1202 on the outer side of the fine sand layer 1203 is fine gauze, so that the structural design can be used for efficiently adsorbing impurities and scraps in water and can also be used for preventing the fine sand and the activated carbon scraps from being mixed into the water.

The working principle is as follows: in the device, the outer end of an adding pipe 5 is connected with a circulating water outlet pipe of the shield machine, the outer end of a discharging pipe 4 is connected with a circulating water inlet pipe of the shield machine, a blast pipe 3 is connected with an external blower, clean water is injected into a cooling water tank 1 through a water pipe arranged above a radiating fin 2 on the left side wall of the cooling water tank 1 in the figure 1 before use, and the water surface is close to the plane where a bottom shaft 10 is located;

when the heat dissipation device is used, water absorbing heat generated by the shield tunneling machine during working enters the top box 6 through the adding pipe 5 and then is sprayed out from the atomizing nozzle 14 at the bottom of the horizontal pipe 13 to form dense water mist in a lower space, meanwhile, when water flows enter the top box 6, the water flow fan 8 in the figure 3 is pushed to drive the central shaft 7 to rotate anticlockwise, the central shaft 7 drives the bottom shaft 10 to drive the water striking fan blades 11 to rotate anticlockwise synchronously through the chain and chain wheel set 9 in the figure 1, the water striking fan blades 11 rotate anticlockwise to strike the water surface to form water spray, clean water is injected to the upper right to lift up to form water spray, the water spray is contacted with and mixed with the dense water mist, an external blower connected with the blast pipe 3 is started, high-speed airflow enters the cooling water box 1 through the blast pipe 3 to be mixed with the water spray and the water mist, the heat is quickly dissipated into the air in the cooling water box 1, and then the heat quickly passes through the stainless steel cooling water box 1 and the copper heat dissipation fins 2 densely installed on the cooling water box 1, the water is emitted to the outside, the water flowing out of the shield tunneling machine is rapidly cooled, and then water spray and water mist are gathered and fall down to be mixed with the water in the cooling water tank 1;

and finally, starting a water pump arranged on the discharge pipe 4, pumping water out of the cooling water tank 1, enabling the water to flow through the net frame 1201 from top to bottom when being pumped, filtering impurities in the water by an internal attached layer 1202, a fine sand layer 1203 and an activated carbon layer 1204 arranged in the net frame 1201, enabling the cooled and filtered water to flow into the shield machine through the discharge pipe 4 to absorb heat, then enabling the water to flow out of the shield machine through the feeding pipe 5 again, and repeating the steps to realize circulating cooling, wherein the working principle of the circulating water system for the shield machine is that.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a shield constructs machine circulating water system, includes cooling water tank (1) and radiating fin (2), its characterized in that: the cooling water tank is characterized in that radiating fins (2) are installed on the top and the side wall of the cooling water tank (1) in a penetrating mode, a blast pipe (3) penetrates through and is fixed to the upper portion of one side of the cooling water tank (1), an upper discharging pipe (4) penetrates through and is fixed to the bottom of the other side of the cooling water tank (1), a top box (6) is fixedly installed at the top of the cooling water tank (1), an adding pipe (5) penetrates through and is fixed to the top end of the top box (6), a middle shaft (7) penetrates through and is installed at the center of the top box (6) through a sealing bearing, a water flow fan (8) is fixedly installed in the middle shaft (7) located inside the top box (6), a chain sprocket set (9) is installed at the tail end, located outside the top box (6), of the chain sprocket set (9) is installed on a bottom shaft (10), the bottom shaft (10) is installed on the inner wall of the cooling water tank (1) through bearing seats at two ends, and water hitting fan blades (11) are fixedly installed on the bottom shaft (10), fixed mounting has filtering mechanism (12) on cooling water tank (1) inner wall of hitting water flabellum (11) below, top case (6) bottom is run through and is fixed with horizontal pipe (13), and horizontal pipe (13) end is fixed on cooling water tank (1) inner wall to atomizer (14) are installed perpendicularly to equidistant bottom horizontal pipe (13).

2. The circulating water system for the shield tunneling machine according to claim 1, wherein: the front view shape of the adding pipe (5) is horizontally arranged in an L shape, and the vertical plane of the center of the vertical part of the adding pipe (5) is parallel to the vertical plane of the center of the top box (6).

3. The circulating water system for the shield tunneling machine according to claim 1, wherein: the water flow fan (8) and the top box (6) form a rotating mechanism through the middle shaft (7), the front view shape of the top box (6) is circular, the water flow fan (8) is distributed at equal angles relative to the middle shaft (7), and meanwhile, the water flow fan (8) is set to be in a bent spoon shape.

4. The circulating water system for the shield tunneling machine according to claim 1, wherein: the water-beating fan blades (11) are solid straight wide plates, the water-beating fan blades (11) are distributed at equal angles relative to the bottom shaft (10), and the water-beating fan blades (11) and the blast pipe (3) are respectively arranged on two opposite side surfaces of the cooling water tank (1).

5. The circulating water system for the shield tunneling machine according to claim 1, wherein: the filtering mechanism (12) comprises a net frame (1201), an inner attached layer (1202), a fine sand layer (1203) and an activated carbon layer (1204), wherein the inner attached layer (1202) is fixed on the inner surface of the net frame (1201), the fine sand layer (1203) is arranged on the inner side of the inner attached layer (1202), and the activated carbon layer (1204) is arranged on the inner side of the fine sand layer (1203).

6. The circulating water system for the shield tunneling machine according to claim 5, wherein: the fine sand layer (1203) is symmetrically distributed about the activated carbon layer (1204), the thickness of the activated carbon layer (1204) is larger than that of the fine sand layer (1203), and the inner attached layer (1202) on the outer side of the fine sand layer (1203) is fine gauze.

Images