CN213928362U - Shield constructs quick-witted section of jurisdiction uninstallation device - Google Patents

Abstract

The utility model relates to a shield constructs quick-witted section of jurisdiction uninstallation device, uninstallation device fixed connection in the inside platform truck that is located shield structure machine. The device comprises: the fixed components are respectively and symmetrically arranged on two sides of the trolley. The lifting assembly is arranged on the fixed assembly in a longitudinally slidable manner, and the extending assembly is arranged at the bottom of the lifting assembly and extends or retracts in the horizontal direction to support the pipe piece group conveyed to the unloading area by the pipe piece conveying trolley; and unloading is completed under the lifting of the lifting assembly. The beneficial effects are that, fixed main part lower part is provided with the guide rail, and wherein, the lifting unit can slide from top to bottom in the guide rail. And starting the stretching oil cylinder, so that the stretching oil cylinder stretches out in the guide cylinder, the stretching oil cylinder drives the segment bracket to stretch out, and the segment group can be supported from the bottom of the segment group. The whole vehicle duct piece of each section of duct piece vehicle can be integrally unloaded, and the aim of improving the construction efficiency of the shield tunneling machine during tunneling is fulfilled.

Description

Shield constructs quick-witted section of jurisdiction uninstallation device

Technical Field

The utility model relates to a tunnel boring technical field especially relates to a shield constructs quick-witted section of jurisdiction uninstallation device.

Background

At present, the construction of urban subways in China is rapidly developed, and the shield tunnel construction can complete tunnel excavation, muck conveying and tunnel supporting at one time, so that the method has the characteristics of safety, high efficiency, environmental protection, high automation degree and the like, and becomes a preferred construction method in most of urban subway tunnel constructions.

The required segment is transported to the tunnel by a segment transport trolley organized by trains during construction, and the segment is lifted and transported block by a segment lifting device for temporary storage. In the process, the segment transport trolley for train marshalling cannot move, so that the muck truck for train marshalling cannot receive and transport muck, and the shield tunneling machine can tunnel and slag after the segments are completely unloaded in the temporary storage area. And (4) driving along with the shield machine, and then lifting the segments one by one to the position where the segment assembling machine can pick up the segments by the segment lifting device. The length of the time for conveying the duct pieces and unloading the duct pieces by the duct piece conveying trolley directly determines the construction speed.

The traditional method is that a segment crane is used for unloading segments, the segment crane lifts one segment from a segment transport trolley during unloading, the segment is conveyed to a segment storage area, and then the segment is returned to lift the next segment, so that the unloading speed is low, the efficiency is low, and the construction speed of the whole tunnel is influenced.

Therefore, a segment unloading device of the shield machine capable of quickly unloading segments is needed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the above-mentioned shortcoming, the deficiency of prior art, the utility model provides a shield constructs quick-witted section of jurisdiction uninstallation device, its whole car section of jurisdiction that solves every section duct piece travelling bogie is whole to be uninstalled, improves the technical problem of the efficiency of construction when the shield constructs the machine and carries out tunnel boring.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

the embodiment of the utility model provides a shield constructs quick-witted section of jurisdiction uninstallation device, uninstallation device fixed connection is in the inside platform truck of shield structure machine; the device comprises:

the fixing components are symmetrically arranged on two sides of the trolley respectively;

the lifting component is arranged on the fixing component in a longitudinally slidable manner; and

the extension assembly is arranged at the bottom of the lifting assembly and extends or retracts in the horizontal direction so as to support the pipe piece group conveyed to the unloading area by the pipe piece conveying trolley; the unloading area is positioned at the lower part of the trolley and finishes unloading the pipe sheet group under the lifting of the lifting assembly.

Optionally, the fixing assembly comprises a fixing body, a support for connecting the lifting assembly is arranged on the upper portion of the fixing body, and a guide rail for moving the lifting assembly is arranged along the longitudinal direction of the fixing body.

Optionally, the extending assembly comprises a guide cylinder arranged at the lower part of the lifting assembly, a duct piece bracket capable of supporting the duct piece group and an extending oil cylinder;

the guide cylinder is arranged in the lifting assembly;

the segment bracket is arranged at one end of the guide cylinder in a sliding mode, the other end of the guide cylinder is provided with a mounting assembly, the mounting assembly is used for fixing a fixed end extending out of the oil cylinder, and a driving end extending out of the oil cylinder is fixedly mounted with the segment bracket and used for driving the segment bracket to extend out of or retract into the guide cylinder.

Optionally, the lifting assembly includes a first side wall and a second side wall that are relatively parallel and spaced apart from each other, and a third side wall that is used for connecting one side edge of the first side wall and the second side wall and is perpendicular to the first side wall and the second side wall, a lifting body is formed among the first side wall, the second side wall and the third side wall, and the lifting body is sleeved outside the guide rail and slides up and down on the guide rail;

optionally, the upper part of the lifting body is provided with a connecting seat, the connecting seat is provided with a driving end of a lifting oil cylinder, the fixed end of the lifting oil cylinder is mounted on the support, and the guide cylinder is mounted on the lower part of the lifting body.

Optionally, the first side wall and the second side wall of the lifting body are respectively and correspondingly provided with two guide wheels, the guide wheels are driven by the lifting oil cylinder to be in up-and-down sliding connection with the guide rails, and the diameters of the guide wheels are in small clearance fit with the space between the guide rails.

Optionally, a grease lubrication hole is formed in the guide cylinder.

Optionally, the fixed body is fixedly mounted on the shield tunneling machine trolley through bolts.

Optionally, the installation component comprises a first installation plate and a second installation plate which are arranged at the upper end and the lower end of the guide cylinder and are parallel to each other, an installation seat is arranged at one end, away from the guide cylinder, between the first installation plate and the second installation plate, of the installation seat, the installation seat is a pin seat, and the extension oil cylinder is fixed on the installation seat through a fixing pin.

Optionally, the support and the connecting seat are pin seats, and the fixed end and the driving end of the lifting oil cylinder are fixed on the fixed body and the lifting body respectively through fixing pins.

(III) advantageous effects

The utility model has the advantages that: the utility model discloses a shield constructs quick-witted section of jurisdiction uninstallation device owing to be provided with fixed subassembly about the tunnel central axis bilateral symmetry in the both sides of shield constructs quick-witted platform truck, is provided with the support that is used for connecting hoisting assembly on fixed main part upper portion, and fixed main part lower part is provided with the guide rail that can supply the hoisting assembly motion, and wherein, the hoisting assembly can slide from top to bottom in the guide rail for the promotion of control tube piece group and falling. When the lifting assembly reaches the bottom of the pipe piece group, the stretching oil cylinder is started, so that the stretching oil cylinder stretches out in the guide cylinder, the stretching oil cylinder drives the pipe piece bracket to stretch out, and the pipe piece group can be supported from the bottom of the pipe piece group. Compared with the prior art, the whole vehicle segment unloading device can unload the whole vehicle segments of each segment of segment vehicle integrally, and the purpose of improving the construction efficiency of the shield tunneling machine during tunneling is achieved.

Drawings

Fig. 1 is a schematic perspective view of the duct piece unloading device and the trolley of the shield tunneling machine of the present invention;

fig. 2 is a schematic perspective view of the segment unloading device of the shield tunneling machine of the present invention;

FIG. 3 is an exploded view of the segment unloading mechanism of the shield tunneling machine of FIG. 2;

fig. 4 is a schematic perspective view of the extension assembly of the segment unloading device of the shield tunneling machine of the present invention;

fig. 5 is a top sectional view of the shield tunneling machine segment unloading device of the present invention with the segment support of the extension assembly retracted;

fig. 6 is a top sectional view of the shield tunneling machine segment unloading device of the present invention in a state where the segment bracket of the extension assembly is extended.

[ description of reference ]

100: a fixing assembly; 101: a fixed body; 102: a support; 103: a guide rail;

200: a trolley;

300: a lifting assembly; 301: a first side wall; 302: a second side wall; 303: a third side wall; 304: a connecting seat; 305: lifting the oil cylinder; 306: a guide wheel;

400: a protruding assembly; 401: a guide cylinder; 402: a segment carrier; 403: extending out of the oil cylinder; 404: mounting the component; 404-1: a first mounting plate; 404-2: a second mounting plate; 404-3: a mounting seat; 405: a grease lubrication hole;

500: a group of tube sheets.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings. As used herein, the terms "upper", "lower", and the like are used with reference to the orientation of FIG. 1.

The embodiment of the utility model provides a shield constructs quick-witted section of jurisdiction uninstallation device, uninstallation device fixed connection is in the inside platform truck 200 of shield structure machine; the device comprises:

the fixing assemblies 100, the fixing assemblies 100 are respectively symmetrically arranged at two sides of the trolley 200;

the lifting assembly 300, the lifting assembly 300 is set on the fixed assembly 100 slidably along the longitudinal direction; and

the extension assembly 400, the extension assembly 400 is arranged at the bottom of the lifting assembly 300, and the extension assembly 400 extends or retracts in the horizontal direction to support the pipe piece group conveyed to the unloading area by the pipe piece conveying trolley; wherein, the unloading area is located in the area right below the trolley 200, and the unloading of the pipe sheet group is completed under the lifting of the lifting assembly 300.

The utility model discloses because fixed subassembly 100 slidable sets up the lifting component 300 on fixed subassembly 100, stretch out subassembly 400 and set up in the bottom of lifting component 300. Wherein lifting assembly 300 is used to control the lifting and lowering of tube sheet set 500. Compared with the prior art, the whole vehicle segment unloading device can unload the whole vehicle segments of each segment of segment vehicle integrally, and the purpose of improving the construction efficiency of the shield tunneling machine during tunneling is achieved.

In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

Referring to fig. 1-6, a segment unloading device of a shield tunneling machine comprises a fixing assembly 100. Wherein the securing assembly 100 may be four, six, eight, etc. The embodiment is four fixing assemblies 100, each two of which are divided into two groups, and one group of fixing assemblies 100 are respectively arranged at one side of a trolley 200 in a shield machine with the length of 6 meters, and the other group of fixing assemblies is symmetrically arranged about the center of the trolley 200.

The lifting assembly 300 is slidably arranged on the fixing assembly 100 along the longitudinal direction; and

the extension assembly 400, the extension assembly 400 is arranged at the bottom of the lifting assembly 300, and the extension assembly 400 extends or retracts in the horizontal direction to support the pipe piece group conveyed to the unloading area by the pipe piece conveying trolley; and unloading of the tube sheet set is completed under the lifting of the lifting assembly 300.

Further, the fixing assembly 100 includes a fixing body 101, and a seat 102 for connecting the lifting assembly 300 is provided at an upper portion of the fixing body 101. An i-steel type guide rail 103 for movement of the lifting assembly 300 is provided along the longitudinal direction of the fixing body 101.

Further, the extension assembly 400 includes a guide cylinder 401 disposed at a lower portion of the lift assembly 300, a segment tray 402 capable of supporting the segment stack 500, and an extension cylinder 403.

The guide cylinder 401 is installed inside the lifting assembly 300.

A segment carrier 402 is slidably mounted on one end of the guide cylinder 401. A mounting assembly 404 is provided at the other end of the guide cylinder 401, and the mounting assembly 404 is used to fix the fixed end of the extension cylinder 403. The drive end of extension cylinder 403 is fixedly mounted with segment carrier 402 for driving segment carrier 402 to extend or retract within guide cylinder 401.

Further, the lifting assembly 300 comprises a first sidewall 301 and a second sidewall 302 arranged in parallel and spaced apart from each other, and a third sidewall 303 perpendicular to the first sidewall 301 and the second sidewall 302 for connecting one side of the first sidewall 301 and the second sidewall 302, wherein a lifting body is formed between the first sidewall 301, the second sidewall 302 and the third sidewall 303. The lifting body is sleeved outside the guide rail 103 and slides up and down on the guide rail 103.

The upper portion of the lifting body is provided with a connection seat 304. The driving end of the lift cylinder 305 is mounted on the connection base 304, the fixed end of the lift cylinder 305 is mounted on the support 102, and the guide cylinder 401 is mounted on the lower portion of the lift body. The lifting body is driven to be lifted up or dropped down by the lift cylinder 305. Meanwhile, a connecting seat fixedly connected with the driving end of the lifting oil cylinder 305 is arranged on the lifting main body, so that the lifting oil cylinder 305 can drive the lifting main body to move correspondingly when being started.

Furthermore, two guide wheels 306 are correspondingly arranged on the first side wall 301 and the second side wall 302 of the lifting body respectively, the guide wheels 306 are in up-and-down sliding connection with the guide rail 103 under the driving of the lifting oil cylinder 305, and the diameters of the guide wheels 306 are in small clearance fit with the space between the guide rail 103. The lifting body is moved on the guide rail 102 with a small clearance fit on the guide rail 102 by means of the four guide wheels 306 to ensure a relatively smooth up-and-down movement of the lifting body.

Further, the fixing body 101 is a rectangular steel pipe, and the rectangular steel pipe is welded to the guide rail 103 via an i-beam 104. In order to keep the guide rail 103 and the support 102 in the same vertical extension, the lifting body is better adapted to move up and down.

Further, a grease lubrication hole 405 is provided in the guide cylinder 401. Lubricating oil can be added through the grease lubrication hole 405 to lubricate the relative sliding contact surfaces of the guide cylinder 401 and the segment carrier 402.

Further, the fixing body 101 is fixedly installed on the shield tunneling machine trolley 200 by bolts. The distance between each group of fixed components 100 can be conveniently adjusted according to the pipe piece groups 500 on different models of pipe piece transport trolleys.

Further, the mounting assembly 404 includes a first mounting plate 404-1 and a second mounting plate 404-2 disposed at upper and lower ends of the guide cylinder 401 and disposed in parallel with each other. A mounting seat 404-3 is arranged between the first mounting plate 404-1 and the second mounting plate 404-2 at the end far away from the guide cylinder 401. Mount 404-3 is a pin boss. The extension cylinder 403 is fixed on the mounting seat 404-3 by a fixing pin. In order to stably mount the fixed end of the extension cylinder 403 on the mount 404-3 by a fixing pin.

Further, the support 102 and the connecting seat 304 are both pin seats. The fixed end and the driving end of the lift cylinder 305 are fixed to the fixed body 101 and the lift body, respectively, by fixing pins. In order to stably mount both ends of the lift cylinder 305 to the mount base bracket 102 and the coupling base 304 by fixing pins.

Working process, the section of jurisdiction travelling bogie that will have duct piece group 500 drives into the utility model discloses a shield constructs the section of jurisdiction uninstallation region under the quick-witted platform truck 200. Then, the lifting cylinder 305 is started to fall downwards, the lifting body is driven by the lifting cylinder 305 to slide downwards in the guide rail 103, so that the extending assembly 400 is driven to be just positioned at the gap between the segment transport trolley and the segment group 500, and the lifting cylinder 305 stops working. The segment bracket 402 is driven by the extending cylinder 403 to approach the bottom of the segment group 500, so as to support the segment group 500. Finally, the lifting cylinder 305 is started again to lift upwards, and then the pipe piece group 500 on the pipe piece transport trolley is lifted. The segment transfer cart then exits the unloading area. Then, the lift cylinder 305 is actuated to drive the segment group 500 to fall downward. And then the extension oil cylinder 403 retracts, so that the segment bracket 402 retracts, and the whole segment unloading of each segment of segment transport trolley is completed. The construction efficiency of the shield tunneling machine during tunneling is improved. The unloading of the pipe piece of each pipe piece transport trolley can save 20 minutes.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. The device for unloading the segment of the shield machine is characterized in that the unloading device is fixedly connected with a trolley (200) positioned in the shield machine; the device comprises:

the fixing assemblies (100), the fixing assemblies (100) are respectively and symmetrically arranged at two sides of the trolley (200);

a lifting assembly (300), wherein the lifting assembly (300) is arranged on the fixing assembly (100) in a longitudinally slidable manner; and

a projecting assembly (400), the projecting assembly (400) being disposed at the bottom of the lifting assembly (300), the projecting assembly (400) projecting or retracting in a horizontal direction to support a group of duct pieces being transported by a duct piece transport cart into an unloading area; wherein the unloading area is positioned at the lower part of the trolley (200) and finishes the unloading of the pipe sheet group under the lifting of the lifting assembly (300).

2. The shield tunneling machine segment unloading device of claim 1, wherein: the fixing assembly (100) comprises a fixing main body (101), a support (102) used for being connected with the lifting assembly (300) is arranged on the upper portion of the fixing main body (101), and a guide rail (103) used for enabling the lifting assembly (300) to move is arranged in the longitudinal direction of the fixing main body (101).

3. The shield tunneling machine segment unloading device of claim 2, wherein: the extension assembly (400) comprises a guide cylinder (401) arranged at the lower part of the lifting assembly (300), a tube piece bracket (402) capable of supporting the tube piece group (500) and an extension oil cylinder (403);

the guide cylinder (401) is arranged inside the lifting assembly (300);

the segment bracket (402) is arranged at one end of the guide cylinder (401) in a sliding mode, an installation component (404) is arranged at the other end of the guide cylinder (401), the installation component (404) is used for fixing the fixed end of the extending oil cylinder (403), and the driving end of the extending oil cylinder (403) is fixedly installed with the segment bracket (402) and used for driving the segment bracket (402) to extend out or retract in the guide cylinder (401).

4. The shield tunneling machine segment unloading device of claim 3, wherein: the lifting assembly (300) comprises a first side wall (301) and a second side wall (302) which are arranged in parallel and at intervals, and a third side wall (303) which is used for connecting one side edge of the first side wall (301) with the second side wall (302) and is vertical to the first side wall (301) and the second side wall (302), a lifting body is formed among the first side wall (301), the second side wall (302) and the third side wall (303), and the lifting body is sleeved outside the guide rail (103) and slides up and down on the guide rail (103);

the upper portion of the lifting main body is provided with a connecting seat (304), a driving end of a lifting oil cylinder (305) is installed on the connecting seat (304), a fixed end of the lifting oil cylinder (305) is installed on the support (102), and the guide cylinder (401) is installed on the lower portion of the lifting main body.

5. The shield tunneling machine segment unloading device of claim 4, wherein: the first side wall (301) and the second side wall (302) of the lifting main body are respectively and correspondingly provided with two guide wheels (306), the guide wheels (306) are driven by the lifting oil cylinder (305) to be in up-and-down sliding connection with the guide rail (103), and the diameters of the guide wheels (306) are in small clearance fit with the space between the guide rail (103).

6. The shield tunneling machine segment unloading device of claim 2, wherein: the fixing body (101) is a rectangular steel pipe, and the rectangular steel pipe is welded with the guide rail (103) through an I-shaped steel beam (104).

7. The shield tunneling machine segment unloading device of claim 3, wherein: and a grease lubricating hole (405) is formed in the guide cylinder (401).

8. The shield tunneling machine segment unloading device of claim 2, wherein: the fixed main body (101) is fixedly installed on the shield tunneling machine trolley (200) through bolts.

9. The shield tunneling machine segment unloading device of claim 3, wherein: the installation component (404) comprises a first installation plate (404-1) and a second installation plate (404-2) which are arranged at the upper end and the lower end of the guide cylinder (401) and are arranged in parallel, an installation seat (404-3) is arranged at one end, away from the guide cylinder (401), of the first installation plate (404-1) and the second installation plate (404-2), the installation seat (404-3) is a pin seat, and the extension oil cylinder (403) is fixed on the installation seat (404-3) through a fixing pin.

10. The shield tunneling machine segment unloading device of claim 4, wherein: the support (102) and the connecting seat (304) are pin seats, and the fixed end and the driving end of the lifting oil cylinder (305) are respectively fixed on the fixed body (101) and the lifting body through fixing pins.

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