CN212441959U

CN212441959U - Shield constructs dregs screening machine

Info

Publication number: CN212441959U
Application number: CN202021121728.7U
Authority: CN
Inventors: 刘东斌; 李勇; 刘翔; 王芙蓉; 祁海燕; 范方贵; 邹靖; 黄翔; 卢宇鹏; 言海燕; 陈莎
Original assignee: China Railway Hi Tech Industry Corp Ltd; China Railway Environmental and Technology Engineering Co Ltd
Current assignee: China Railway Hi Tech Industry Corp Ltd; China Railway Environmental and Technology Engineering Co Ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-02-02
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a shield constructs dregs screening machine, including shaftless drum sieve washing slag device, the water tank, high pressure water pump and entering sediment hopper, shaftless drum sieve washing slag device includes the fixed bolster, the drum sieve, the supporting wheel, actuating mechanism and high pressure bath mechanism, be provided with internal gear and pinion in the drum sieve, water tank and high pressure water pump provide the high pressure flushing water for the high pressure collector pipe, shield constructs dregs and sends into the drum sieve from advancing the sediment hopper, actuating mechanism drives the drum sieve rotation through the supporting wheel rather than being connected, the internal gear drives pinion and spacing roll pin rotation around the pinion shaft under the effect of rotatory power, spacing roll pin is reciprocating motion in the sliding tray, the rotatory guide rail that drives of spacing roll pin and high pressure collector pipe are rotatory swing at the certain extent. The utility model discloses a shield constructs dregs screening machine separates effectually, has effectively solved the problem that shield constructs dregs screening efficiency low in earlier stage.

Description

Shield constructs dregs screening machine

Technical Field

The utility model relates to a shield constructs treatment facility technical field of engineering dregs, in particular to shield constructs dregs screening machine.

Background

Along with the rapid development of national economy and the continuous improvement of infrastructure, the traffic track construction is accelerated in all big cities in China, and subways are the key points of the urban traffic track construction, so how to realize the rapid construction of the subways becomes the research direction of the current subway construction. At present, a shield method is mainly selected in subway construction at home, and a shield machine generates a large amount of shield muck during tunneling, which causes great adverse effect on urban ecological environment, so that the recycling of muck becomes an important direction in the field of muck application and research in China at present.

The shield constructs the separation of dregs earlier stage and generally adopts the cylinder screen machine to debris, large stone, claystone, for example utility model patent 201520478863.X discloses a new kind of cylinder screen machines, including framework, drum screen, drive mechanism, water jet equipment, the drive mechanism includes the reduction gear, spindle, gear or sprocket, gear wheel or big sprocket are installed at one end of drum screen, the reduction gear connects the spindle to drive gear or sprocket, gear or sprocket drive gear wheel or big sprocket drive cylinder rotation; the water spraying device comprises a water inlet pipe and a water spraying pipe, and the water spraying pipe is arranged in the center of the drum screen and supported by spokes; the water spraying pipe does not rotate along with the drum screen, and water spraying ports are arranged on the water spraying pipe along the ventral surface and spray water in a downward fan shape in the axial direction. Spray set all is fixed mounting in this rotary screen machine, and the nozzle can only wash in fixed direction, and all sprays at the low pressure, and this just makes current shield structure dregs screening process screening efficiency low in earlier stage, still has partial silt particle on the debris, the big stone, the clay group that separate out, and separation effect is unsatisfactory, and grit regeneration utilization is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shield constructs dregs screening machine to the problem that debris, big stone, clay group's separation efficiency in earlier stage in the shield constructs dregs that proposes among the solution background art is low.

In order to achieve the purpose, the utility model provides a shield constructs dregs screening machine, including shaftless drum sieve washing slag device, water tank, high pressure water pump and entering sediment hopper, shaftless drum sieve washing slag device includes fixed bolster, drum sieve, supporting wheel, actuating mechanism and high pressure bath mechanism; the drum screen is arranged on the fixed support through at least two groups of supporting wheels arranged below the drum screen, at least one supporting wheel is connected with the driving mechanism, and the driving mechanism drives the drum screen to rotate through friction force generated between the supporting wheel connected with the driving mechanism and the drum screen; the high-pressure flushing mechanism comprises a high-pressure water collecting pipe and two water collecting pipe supports, the two water collecting pipe supports are arranged on the fixed support and are respectively positioned at two ends of the rotary screen, two ends of the high-pressure water collecting pipe are rotatably connected with the two water collecting pipe supports, the high-pressure water collecting pipe axially penetrates through the rotary screen, and a pipe section of the high-pressure water collecting pipe, which is positioned inside the rotary screen, is provided with a plurality of water spraying ports which are distributed along the axial direction of the rotary screen; a guide rail is fixed on the outer peripheral surface of one end of the high-pressure water collecting pipe, and a sliding groove arranged along the radial direction of the drum screen is formed in the guide rail; the rotary screen is characterized in that the rotary screen is also internally provided with an internal gear and a pinion, the internal gear is fixedly arranged on the circumference of the inner wall of one end of the rotary screen, the pinion is rotatably arranged at the end part of a pinion shaft and is meshed with the internal gear, the pinion is arranged on the radial inner side of the internal gear, the pinion shaft is fixedly arranged on a water collecting pipe support close to the pinion, the axial line of the pinion shaft is parallel to that of the rotary screen, the pinion is provided with a limiting rolling pin, and the limiting rolling pin is arranged in the sliding groove and can slide in the sliding groove in a reciprocating manner; the water tank is connected with the high-pressure water pump through a low-pressure pipe, the high-pressure water pump is connected with the high-pressure water collecting pipe through a high-pressure hose and a high-pressure joint, and the slag feeding hopper is arranged on one side of a feeding hole of the drum screen; when the driving mechanism drives the rotary screen to rotate through the supporting wheel, the internal gear fixedly arranged on the inner wall of one end of the rotary screen rotates under the action of rotating force to drive the pinion and the limiting rolling pin to rotate around the pinion shaft, the limiting rolling pin reciprocates in the sliding groove, and the rotation of the pinion and the limiting rolling pin drives the guide rail and the high-pressure water collecting pipe to rotate and swing within a certain range; therefore, the nozzle arranged on the water spray nozzle of the high-pressure water collecting pipe swings to sweep and clean the shield muck, and the cleaned silt water flows into the mud and water collecting tank through the screen.

Furthermore, a group of supporting wheels is respectively arranged below two ends of the rotary screen, each group of supporting wheels comprises two supporting wheels positioned on two sides of the rotary screen, and two supporting wheels in at least one group of supporting wheels are connected with a driving mechanism.

Furthermore, the circumference of the outer wall of the drum screen is provided with two limiting check rings for limiting the axial movement of the drum screen, and the axial outer ends of the two limiting check rings are respectively provided with a wear-resistant ring matched with the supporting wheel.

Furthermore, the high-pressure water collecting pipe is arranged at the axial center of the rotary screen, and the pinion shaft is arranged right below the high-pressure water collecting pipe.

Furthermore, the upper end of the guide rail and the high-pressure water collecting pipe are clamped and fixed through bolts, and the sliding groove is a long hole formed in the guide rail.

Furthermore, each water jet is correspondingly provided with a high-pressure fan-shaped nozzle; the limiting rolling pin is fixedly arranged on the pinion through bolt connection.

Furthermore, a plurality of supporting wheel seats are arranged on the fixed support, and the supporting wheels are rotatably arranged on the supporting wheel seats.

Furthermore, the driving mechanism comprises a motor and a speed reducer, the speed reducer is arranged on a rotating shaft of the motor, and the rotating shaft of the speed reducer is connected with the supporting wheel.

Further, when the pinion is positioned right below the high-pressure water collecting pipe, the water spraying opening is arranged at the lower position of the pipe wall of the high-pressure water collecting pipe.

Furthermore, the water spray openings are uniformly distributed on the high-pressure water collecting pipe section inside the drum screen.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a shield constructs dregs screening machine, water tank and high pressure water pump provide the high pressure washing water for the high pressure collector pipe, shield the dregs from advancing the sediment hopper send into the drum sieve in, actuating mechanism drives the drum sieve rotation through the supporting wheel rather than being connected, the internal gear drives pinion and spacing roll round pin under the effect of the rotatory power and rotates around the pinion shaft, and spacing roll round pin is reciprocating motion in the sliding tray, the rotatory guide rail that drives of spacing roll round pin and high pressure collector pipe are rotatory swing at the certain limit. The utility model discloses a shield constructs dregs screening machine, through swinging high-pressure collector pipe so that the nozzle on the high-pressure collector pipe water spout swings the shield to sweep and wash the dregs, the debris, the big stone that separate out are on-stick clay group, the separation effect is good; effectively solves the problem of low screening efficiency of shield muck in the earlier stage.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

FIG. 1 is a schematic structural view of a shield-type muck screening machine of the present invention;

FIG. 2 is a schematic structural view of the shaftless drum screen slag washing device of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

the device comprises a fixed support 1, a rotary screen 2, a feed inlet 2.1, a discharge outlet 2.2, a limiting retainer ring 2.3, a wear-resistant ring 2.4, a support wheel 3, a high-pressure water collecting pipe 4, a water collecting pipe support 5, a guide rail 6, a sliding groove 6.1, an internal gear 7, a pinion gear 8, a pinion shaft 9, a limiting rolling pin 10, a muddy water collecting groove 11, a high-pressure fan nozzle 12, a motor 13, a water tank 14, a high-pressure water pump 15, a slag inlet hopper 16, a low-pressure water pipe 17, a high-pressure hose 18 and a high-pressure joint 19.

Detailed Description

The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

For convenience of presentation, the trommel 2 is partially cut away in fig. 1 to 3 to show the internal structure thereof.

As shown in fig. 1, the shield muck screening machine comprises a shaftless drum screen slag washing device, a water tank 14, a high-pressure water pump 15 and a slag feeding hopper 16, and has the following specific structure:

the shaftless drum screen slag washing device comprises a fixed support 1, a drum screen 2, a supporting wheel 3, a driving mechanism and a high-pressure flushing mechanism, wherein the fixed support 1 is composed of two symmetrically arranged unit supports, and each unit support is provided with two supporting wheel seats. The rotary screen 2 is arranged on the fixed support 1 through the supporting wheels 3, a group of supporting wheels are arranged below two ends of the preferred rotary screen respectively, the two groups of supporting wheels are arranged on the two unit supports respectively, each group of supporting wheels comprises two supporting wheels positioned on two sides of the rotary screen, the supporting wheels are rotatably arranged on corresponding supporting wheel seats, and the outer diameters and the horizontal heights of all the supporting wheels are the same. The drum screen is of a cylindrical structure, one end of the drum screen is provided with a feeding hole 2.1, the other end of the drum screen is provided with a discharging hole 2.2, the bottom of the drum screen is provided with a muddy water collecting tank 11, and the muddy water collecting tank is located between the two unit supports. At least one supporting wheel 3 all is connected with actuating mechanism, and preferably two supporting wheels that are close to discharge gate one end are connected with an actuating mechanism respectively, and these two actuating mechanism's direction of operation is unanimous. In the structure, the driving mechanism drives the rotary screen to rotate by generating friction force between the supporting wheel connected with the driving mechanism and the rotary screen. Meanwhile, the supporting wheel which is not connected with the driving mechanism also rotates along with the drum screen. In the structural arrangement, the number of the driving mechanisms can be set according to actual conditions, as long as the friction force between the supporting wheel and the drum screen is larger than the driving force; the support wheels may be rubber wheels.

Referring to fig. 2 and 3, the high-pressure flushing mechanism includes a high-pressure water collecting pipe 4 and two water collecting pipe brackets 5, the high-pressure water collecting pipe axially penetrates through the drum screen, and a pipe section of the high-pressure water collecting pipe located inside the drum screen is provided with a plurality of water spray ports axially distributed along the drum screen; preferably, the high-pressure water collecting pipe is arranged at the axial center of the drum screen, and each water spraying opening is correspondingly provided with a high-pressure fan-shaped nozzle 12. The two water collecting pipe supports are respectively arranged on the two unit supports and at two ends of the rotary screen, and two ends of the high-pressure water collecting pipe are rotatably connected with the two water collecting pipe supports. The outer peripheral face of one end of the high-pressure water collecting pipe is fixedly provided with a guide rail 6, and the guide rail is provided with a sliding groove 6.1 which is arranged along the radial direction of the drum screen. In the structural arrangement, preferably, the water spray openings are uniformly distributed on the high-pressure water collecting pipe section in the drum screen.

An internal gear 7 and a pinion 8 are arranged in the rotary screen, the internal gear is fixedly arranged on the circumference of the inner wall of one end of the rotary screen, the pinion is rotatably arranged at the end part of a pinion shaft 9 and is meshed with the internal gear, the pinion 8 is arranged on the radial inner side of the internal gear 7, the pinion shaft 9 is fixedly arranged on a water collecting pipe support 5 close to the pinion 8, the axial line of the pinion shaft 9 is parallel to the axial line of the rotary screen 2, a limiting rolling pin 10 is arranged on the pinion, and the limiting rolling pin is arranged in a sliding groove and can slide in the sliding groove in a reciprocating mode. When the driving mechanism drives the rotary screen to rotate through the supporting wheel 3, the internal gear fixedly arranged on the inner wall of one end of the rotary screen rotates under the action of rotating force, the pinion 8 and the limiting rolling pin 10 are driven to rotate around the pinion shaft 9, the limiting rolling pin 10 reciprocates in the sliding groove 6.1, and the rotation of the pinion 8 and the limiting rolling pin 10 drives the guide rail 6 and the high-pressure water collecting pipe to rotate and swing within a certain range. In the structure, a limiting rolling pin 10 is fixedly arranged on a pinion through bolt connection; when the pinion is positioned right below the high-pressure water collecting pipe 4, the water spray opening is arranged at the lower position of the pipe wall of the high-pressure water collecting pipe.

The water tank 14 is connected with a high-pressure water pump 15 through a low-pressure water pipe 17, the high-pressure water pump 15 is connected with the high-pressure water collecting pipe 4 through a high-pressure hose 18 and a high-pressure joint 19, and a slag inlet hopper 16 is arranged on one side of the feed inlet of the drum screen 2.

In a specific embodiment, the circumference of the outer wall of the drum screen is provided with two limit retainer rings 2.3 for limiting the axial movement of the drum screen 2, and the axial outer ends of the two limit retainer rings 2.3 are respectively provided with a wear-resistant ring 2.4 matched with the supporting wheel 3; this structure sets up spacing retaining ring can prevent effectively that the drum sieve from producing axial displacement, and wear-resisting circle can effectively increase the life of drum sieve.

In a particular embodiment, the pinion shaft 9 is disposed directly below the high pressure manifold 4. The upper end of the guide rail 6 is clamped and fixed with the high-pressure water collecting pipe 4 through a bolt. The structure arrangement can effectively ensure that the high-pressure water collecting pipe does rotary swing under the action of the limiting rolling pin and the pinion, and the structure arrangement is reasonable.

In a specific embodiment, the driving mechanism comprises a motor 13 and a speed reducer, wherein the speed reducer is arranged on a rotating shaft of the motor, and the rotating shaft of the speed reducer is connected with the supporting wheel.

When the shield muck screening machine of the utility model is used for screening the shield muck, the water tank 14 and the high pressure water pump 15 provide high pressure flushing water for the high pressure water collecting pipe 4, and the shield muck is sent into the drum screen 2 from the slag inlet hopper 16; the driving mechanism provides power for the rotation of the drum screen 2, the driving mechanism drives the drum screen to rotate through the supporting wheel 3, an internal gear fixedly arranged on the inner wall of one end of the drum screen rotates under the action of rotating force, a pinion 8 and a limiting rolling pin 10 are driven to rotate around a pinion shaft 9, the limiting rolling pin 10 reciprocates in a sliding groove 6.1, and the rotating and swinging of the pinion 8 and the limiting rolling pin 10 drives the guide rail 6 and the high-pressure water collecting pipe to rotate and swing within a certain range; therefore, the nozzle arranged on the water spray nozzle of the high-pressure water collecting pipe swings to sweep and clean the shield muck, and the cleaned silt water flows into the mud and water collecting tank through the screen.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The shield muck screening machine is characterized by comprising a shaftless drum screen slag washing device, a water tank (14), a high-pressure water pump (15) and a slag feeding hopper (16), wherein the shaftless drum screen slag washing device comprises a fixed support (1), a drum screen (2), a supporting wheel (3), a driving mechanism and a high-pressure flushing mechanism; the rotary screen (2) is arranged on the fixed support (1) through at least two groups of supporting wheels (3) arranged below the rotary screen, at least one supporting wheel (3) is connected with the driving mechanism, and the driving mechanism drives the rotary screen (2) to rotate through friction force generated between the supporting wheel connected with the driving mechanism and the rotary screen; the high-pressure flushing mechanism comprises a high-pressure water collecting pipe (4) and two water collecting pipe supports (5), the two water collecting pipe supports are arranged on the fixed support and are respectively positioned at two ends of the rotary screen, two ends of the high-pressure water collecting pipe are rotatably connected with the two water collecting pipe supports, the high-pressure water collecting pipe axially penetrates through the rotary screen, and a pipe section of the high-pressure water collecting pipe, which is positioned inside the rotary screen, is provided with a plurality of water spraying ports which are distributed along the axial direction of the rotary screen; a guide rail (6) is fixed on the outer peripheral surface of one end of the high-pressure water collecting pipe, and a sliding groove (6.1) arranged along the radial direction of the drum screen is formed in the guide rail; the rotary screen is characterized in that an inner gear (7) and a pinion (8) are further arranged in the rotary screen, the inner gear is fixedly arranged on the circumference of the inner wall of one end of the rotary screen, the pinion is rotatably mounted at the end of a pinion shaft (9) and is meshed with the inner gear, the pinion (8) is arranged on the radial inner side of the inner gear (7), the pinion shaft (9) is fixedly arranged on a water collecting pipe support (5) close to the pinion (8), the axial line of the pinion shaft (9) is parallel to the axial line of the rotary screen (2), and a limiting rolling pin (10) is arranged on the pinion and is arranged in the sliding groove and can slide in the sliding groove in a reciprocating manner; the water tank (14) is connected with the high-pressure water pump (15) through a low-pressure pipe (17), the high-pressure water pump (15) is connected with the high-pressure water collecting pipe (4) through a high-pressure hose (18) and a high-pressure joint (19), and the slag feeding hopper (16) is arranged on one side of a feeding hole of the rotary screen (2); when the driving mechanism drives the rotary screen to rotate through the supporting wheel (3), the internal gear fixedly arranged on the inner wall of one end of the rotary screen rotates under the action of rotating force to drive the pinion (8) and the limiting rolling pin (10) to rotate around the pinion shaft (9), the limiting rolling pin (10) reciprocates in the sliding groove (6.1), and the rotation of the pinion (8) and the limiting rolling pin (10) drives the guide rail (6) and the high-pressure water collecting pipe to rotate and swing within a certain range; therefore, the nozzle arranged on the water spray nozzle of the high-pressure water collecting pipe can swing and sweep the shield muck to be cleaned, and the cleaned silt water flows into the mud and water collecting tank (11) through the screen.

2. The shield-tunneling muck screening machine according to claim 1, wherein a set of support wheels (3) is respectively arranged below two ends of the drum screen, each set of support wheels comprises two support wheels (3) positioned on two sides of the drum screen (2), and two support wheels (3) in at least one set of support wheels are connected with a driving mechanism.

3. The shield-tunneling muck screening machine according to claim 1, characterized in that two limiting retainer rings (2.3) for limiting the axial movement of the drum screen (2) are arranged on the circumference of the outer wall of the drum screen, and the axially outer ends of the two limiting retainer rings (2.3) are respectively provided with a wear-resistant ring (2.4) matched with the supporting wheel (3).

4. The shield-tunneling muck screening machine according to claim 1, wherein the high-pressure water collection pipe (4) is disposed at an axial center position of the drum screen (2), and the pinion shaft (9) is disposed directly below the high-pressure water collection pipe (4).

5. The shield-tunneling muck screening machine according to claim 1, wherein the upper end of the guide rail (6) is fastened and fixed with the high-pressure water collecting pipe (4) by bolts, and the sliding groove (6.1) is a long hole formed in the guide rail.

6. The shield-tunneling muck screening machine according to claim 1, wherein each water jet is provided with a corresponding high-pressure fan-shaped nozzle (12); the limiting rolling pin (10) is fixedly arranged on the pinion through bolt connection.

7. The shield-tunneling muck screening machine according to claim 1, wherein a plurality of supporting wheel seats are provided on the fixed support (1), and the supporting wheels (3) are rotatably provided on the supporting wheel seats.

8. The shield-tunneling muck screening machine according to claim 1, wherein the driving mechanism includes a motor (13) and a speed reducer, the speed reducer is provided on a rotating shaft of the motor, and the rotating shaft of the speed reducer is connected to the support wheel.

9. The shield-tunneling soil screening machine according to any one of claims 1-8, wherein the water jet is disposed at a lower position of the wall of the high-pressure collector pipe when the pinion is positioned directly below the high-pressure collector pipe (4).

10. The shield-tunneling muck screening machine according to any one of claims 1 to 8, wherein the water spray nozzles are evenly distributed on a high-pressure water collecting pipe section inside the drum screen.