阅读说明：本技术 一种用于地铁盾构隧道施工的管片输送装置 (Duct piece conveying device for subway shield tunnel construction ) 是由 仲洋洋 胡辛泉 窦洪羽 付相宇 刘健 肖万国 于 2020-08-25 设计创作，主要内容包括：本发明提出了一种用于地铁盾构隧道施工的管片输送装置,包括存放机构和输送机构,存放机构用于存储和摆放管片、并对管片进行换向,输送机构可在水平方向上沿存放机构进行往复移动、用于将换向后的管片转移至管片输送机上；存放机构包括存放平台,存放平台通过第一撑架加以支撑,存放平台上相互平行的设有多组暂存机构,每组暂存机构均包括多个沿隧道长度方向均匀设置的暂存组件；本发明结构简单、周转率高、便于管片的安全摆放及输送。(The invention provides a segment conveying device for subway shield tunnel construction, which comprises a storage mechanism and a conveying mechanism, wherein the storage mechanism is used for storing and placing segments and reversing the segments; the storage mechanism comprises a storage platform, the storage platform is supported by a first support frame, a plurality of groups of temporary storage mechanisms are arranged on the storage platform in parallel, and each group of temporary storage mechanisms comprises a plurality of temporary storage assemblies which are uniformly arranged along the length direction of the tunnel; the invention has simple structure and high turnover rate, and is convenient for safely placing and conveying the duct pieces.)

1. The utility model provides a section of jurisdiction conveyor for subway shield tunnel construction, characterized in that, is including depositing mechanism and conveying mechanism, deposits the mechanism and is used for saving and putting the section of jurisdiction and commutate to the section of jurisdiction, and conveying mechanism can carry out reciprocating motion, be used for shifting to the section of jurisdiction conveyer after shifting along depositing the mechanism on the horizontal direction on.

2. The segment transfer device according to claim 1, wherein the storage mechanism comprises a storage platform, the storage platform is supported by the first support frame, a plurality of sets of temporary storage mechanisms are arranged on the storage platform in parallel, and each set of temporary storage mechanisms comprises a plurality of temporary storage assemblies which are uniformly arranged along the length direction of the tunnel.

3. The segment transfer device for subway shield tunnel construction as claimed in claim 2, wherein the temporary storage assembly comprises a supporting base fixed on the storage platform by a direction-adjusting assembly, a set of clamping assemblies are respectively arranged on two opposite side walls of the supporting base, each clamping assembly comprises at least two supporting rods vertically fixed on the supporting base, and a crimping assembly is horizontally movably arranged on each supporting rod;

the compression joint assembly comprises a compression joint, a compression roller is rotatably arranged on the compression joint, the axial direction of the compression roller is parallel to the side wall of the supporting base for fixing the clamping assembly, a plurality of guide rods are arranged on the compression joint, the guide rods horizontally penetrate through the supporting rods from inside to outside and are fixedly connected with a limiting baffle, a spring is sleeved on each guide rod, and the spring is arranged between the compression joint and the supporting rods in a compression mode;

and the two groups of clamping assemblies are used for limiting and fixing the duct piece placed on the supporting base.

4. The segment transfer device for subway shield tunnel construction as claimed in claim 2 or 3, wherein two supporting pins are further provided on the supporting base, the two supporting pins are respectively disposed in parallel with the other two sidewalls of the supporting base, and the supporting pins are used for supporting the bottom wall of the segment.

5. The segment conveying device for subway shield tunnel construction as claimed in claim 4, wherein the direction-adjusting assembly comprises a first supporting shaft fixed at the bottom of the supporting base, the first supporting shaft passes through the storage platform to fix a first gear, the first gears in the same group of temporary storage mechanisms are connected through a chain, a second gear is coaxially fixed below one first gear and is meshed with a third gear fixed on a servo motor, and the servo motor drives the third gear to rotate, so that the temporary storage assemblies in the same group rotate simultaneously.

6. The segment transfer device for subway shield tunnel construction as claimed in claim 5, wherein the transfer mechanism comprises two vertically arranged second brackets, universal wheels are arranged at the bottoms of the second brackets, a third bracket is horizontally arranged at the top of the two second brackets, and the third bracket is provided with a transfer mechanism.

7. The segment transfer device for subway shield tunnel construction as claimed in claim 6, wherein a guide rail is provided on a side wall of the storage platform parallel to the length direction of the tunnel, a slider is provided on the guide rail, and the slider is fixedly connected with an inner wall of a second support frame through a connection terminal; the bottom of the storage platform is provided with a first rack corresponding to the guide rail, the first rack is meshed with a fourth gear which is rotatably fixed on the second support frame, and the fourth gear is driven to rotate by a second motor;

the second motor drives the fourth gear to rotate, so that the second support frame drives the transfer mechanism to reciprocate along the guide rail.

8. The segment conveying device for subway shield tunnel construction as claimed in claim 7, wherein the transferring mechanism comprises an upper fixing sleeve slidably fitted over the third support frame, the two side walls of the third support frame are respectively provided with a second rack engaged with a fifth gear provided in the upper fixing sleeve, the fifth gear is driven to rotate by a third motor, thereby realizing the reciprocating movement of the upper fixing sleeve along the third support frame;

the upper fixing sleeve is provided with a hydraulic cylinder, and a push rod of the hydraulic cylinder penetrates through a guide groove in the third support frame and is connected with a clamping assembly positioned below the third support frame.

9. The duct piece conveying device for subway shield tunnel construction according to claim 8, wherein the clamping assembly comprises a clamping fixing seat connected with a push rod of a hydraulic cylinder, a bidirectional cylinder is arranged in the clamping fixing seat, two push rods of the bidirectional cylinder are respectively provided with a push block, and the push blocks downwards penetrate through the clamping fixing seat and are fixedly connected with the clamping jaws;

the bidirectional cylinder drives the two clamping jaws to clamp or loosen, and the moving direction of the clamping jaws is vertical to the length direction of the tunnel.

Technical Field

The invention relates to a conveying device, in particular to a segment conveying device for subway shield tunnel construction.

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 material used for the subway tunnel support is prefabricated annular reinforced concrete pipe pieces (hereinafter referred to as pipe pieces) with certain width and thickness; the size of the single-ring pipe piece depends on the design diameter of the tunnel, and the number of the single-ring pipe pieces generally consists of 7 pipe pieces; in the tunnel support, each segment is grabbed to a proper spatial position by segment assembling equipment configured by a shield through actions of moving, rotating, stretching and the like, and the segments are connected and fixed through bolts.

In cities, due to site limitation, how to reasonably store materials by using a limited construction site in the construction process of the shield tunnel is a main factor of the shield construction progress, and shield segments are the most important and most occupied sites in the shield construction. How to reasonably place shield segments and transport the shield segments becomes the key of shield construction. At present, most shield construction duct pieces are supported by square timbers, the square timbers are easy to damage in use, the turnover rate is low, unsafe factors exist, the duct pieces generally need to be subjected to reversing operation in the air through a gripping device when needing to be moved to a transition, and the construction safety cannot be guaranteed.

Disclosure of Invention

The invention provides a segment conveying device for subway shield tunnel construction, which is simple in structure, high in turnover rate and convenient for safe placement and conveying of segments.

The specific technical scheme is as follows:

the utility model provides a section of jurisdiction conveyor for subway shield tunnel construction, is including depositing mechanism and conveying mechanism, deposits the mechanism and is used for saving and puts the section of jurisdiction and commutates the section of jurisdiction, and conveying mechanism can carry out reciprocating motion, be used for shifting the section of jurisdiction after changing to on the section of jurisdiction conveyer along depositing the mechanism on the horizontal direction.

Further, deposit the mechanism including depositing the platform, deposit the platform and support through first strut, deposit the platform and go up being parallel to each other and be equipped with multiunit temporary storage mechanism, every temporary storage mechanism of group all includes a plurality of temporary storage assemblies that evenly set up along tunnel length direction.

Furthermore, the temporary storage assembly comprises a supporting base, the supporting base is fixed on the storage platform through a direction adjusting assembly, a group of clamping assemblies are respectively arranged on two opposite side walls of the supporting base, each clamping assembly comprises at least two supporting rods vertically fixed on the supporting base, and a compression joint assembly is horizontally arranged on each supporting rod;

the compression joint assembly comprises a compression joint, a compression roller is rotatably arranged on the compression joint, the axial direction of the compression roller is parallel to the side wall of the supporting base for fixing the clamping assembly, a plurality of guide rods are arranged on the compression joint, the guide rods horizontally penetrate through the supporting rods from inside to outside and are fixedly connected with a limiting baffle, a spring is sleeved on each guide rod, and the spring is arranged between the compression joint and the supporting rods in a compression mode;

and the two groups of clamping assemblies are used for limiting and fixing the duct piece placed on the supporting base.

Furthermore, two supporting ejector rods are further arranged on the supporting base, the two supporting ejector rods are respectively arranged in parallel with the other two side walls of the supporting base, and the supporting ejector rods are used for supporting the bottom wall of the duct piece.

Furthermore, the direction adjusting assembly comprises a first supporting shaft fixed at the bottom of the supporting base, the first supporting shaft penetrates through the storage platform to fix a first gear, the first gears in the same group of temporary storage mechanisms are connected through a chain, a second gear is coaxially fixed below one of the first gears and is meshed with a third gear fixed on the servo motor, and the servo motor drives the third gear to rotate, so that the temporary storage assemblies in the same group rotate simultaneously.

Furthermore, the conveying mechanism comprises two vertically arranged second support frames, universal wheels are arranged at the bottoms of the second support frames, a third support frame is horizontally arranged at the tops of the two second support frames, and a transfer mechanism is arranged on the third support frame.

Furthermore, a guide rail is arranged on the side wall of the storage platform parallel to the length direction of the tunnel, a sliding block is arranged on the guide rail, and the sliding block is fixedly connected with the inner wall of a second support frame through a connecting terminal; the bottom of the storage platform is provided with a first rack corresponding to the guide rail, the first rack is meshed with a fourth gear which is rotatably fixed on the second support frame, and the fourth gear is driven to rotate by a second motor;

the second motor drives the fourth gear to rotate, so that the second support frame drives the transfer mechanism to reciprocate along the guide rail.

Further, the transfer mechanism comprises an upper fixing sleeve, the upper fixing sleeve is slidably sleeved on the third support frame, two side walls of the third support frame are respectively provided with a second rack, the second racks are meshed with a fifth gear arranged in the upper fixing sleeve, and the fifth gear is driven to rotate by a third motor, so that the upper fixing sleeve can reciprocate along the third support frame;

the upper fixing sleeve is provided with a hydraulic cylinder, and a push rod of the hydraulic cylinder penetrates through a guide groove in the third support frame and is connected with a clamping assembly positioned below the third support frame.

Furthermore, the clamping assembly comprises a clamping fixing seat connected with a push rod of the hydraulic cylinder, a bidirectional cylinder is arranged in the clamping fixing seat, two push rods of the bidirectional cylinder are respectively provided with a push block, and the push blocks downwards penetrate through the clamping fixing seat and are fixedly connected with the clamping jaws;

the bidirectional cylinder drives the two clamping jaws to clamp or loosen, and the moving direction of the clamping jaws is vertical to the length direction of the tunnel.

Furthermore, the front end of the storage platform is provided with a through groove, and the input end of the segment conveyor is arranged below the through groove.

Further, the conveying method of the segment conveying device comprises the following steps:

1) when the temporary storage assembly is in an idle state, the side wall of the supporting base fixing and clamping assembly rotates to be parallel to the length direction of the tunnel;

2) sequentially transferring the duct pieces on the transport vehicle into a clamping assembly, wherein a compression roller is pressed on the duct pieces under the action of a spring, and the diameter direction of the duct pieces is parallel to the length direction of the tunnel;

3) after the pipe pieces in the group of temporary storage mechanisms are transferred, the temporary storage assemblies in the group of temporary storage mechanisms are driven by the servo motor to rotate 90 degrees at the same time, so that the axial direction of the pipe pieces is parallel to the length direction of the tunnel;

4) the clamping assembly is controlled to move to the position above the temporary storage assembly of the duct piece to be transferred through a second motor and a third motor, the hydraulic cylinder drives the clamping assembly to move downwards, and the bidirectional cylinder drives the clamping jaws to clamp the duct piece;

5) promote the section of jurisdiction through the pneumatic cylinder, rethread second motor and third motor remove the section of jurisdiction to leading to the groove top, place the section of jurisdiction on section of jurisdiction conveyer again, can accomplish to carry and shift.

The invention has the beneficial effects that:

1) the invention can temporarily store the duct pieces and transfer and convey the duct pieces, thereby improving the space utilization rate and the turnover efficiency;

2) the invention finishes the reversing step of the segment on the storage platform, thereby further improving the safety performance of construction;

3) in conclusion, the invention has simple structure and high turnover rate, and is convenient for safely placing and conveying the segments.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view of the storage mechanism taken along line B-B of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is a schematic diagram of a temporary storage assembly;

FIG. 5 is a sectional view taken along line-C in FIG. 4;

fig. 6 is a sectional view of the upper fixing sleeve and the third bracket in a matching state;

fig. 7 is a cross-sectional view of the transfer mechanism taken in the direction D-D of fig. 1.

Reference numerals

The device comprises a storage mechanism 1, a conveying mechanism 2, a segment 3, a segment conveyor 4 and a through groove 5;

the device comprises a storage platform 101, a first supporting frame 102, a temporary storage assembly 103, a supporting base 104, a clamping assembly 105, a supporting rod 106, a crimping head 107, a pressing roller 108, a guide rod 109, a limit baffle 110, a spring 111, a supporting ejector rod 112, a first supporting shaft 113, a first gear 114, a chain 115, a second gear 116, a servo motor 117 and a third gear 118;

the device comprises a second support frame 201, a universal wheel 202, a third support frame 203, a guide rail 204, a sliding block 205, a connecting terminal 206, a first rack 207, a fourth gear 208, a second motor 209, an upper fixing sleeve 210, a fifth gear 211, a third motor 212, a hydraulic cylinder 213, a clamping fixing seat 214, a bidirectional air cylinder 215, a push block 216 and a clamping jaw 217.

Detailed Description

In order to make the technical scheme of the invention clearer and clearer, the invention is further described with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent replacement and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention.

As shown in the figure, a section of jurisdiction conveyor for subway shield tunnel construction, including depositing mechanism 1 and conveying mechanism 2, deposit the mechanism and be used for saving and putting section of jurisdiction 3 and carry out the switching-over to the section of jurisdiction, conveying mechanism can be along depositing the mechanism and carry out reciprocating motion, be used for shifting to the section of jurisdiction after shifting to on the section of jurisdiction conveyer 4 on the horizontal direction.

Further, deposit the mechanism including depositing platform 101, deposit the platform and support through first strut 102, deposit the platform and go up being parallel to each other and be equipped with multiunit temporary storage mechanism, every temporary storage mechanism of group all includes a plurality of temporary storage components 103 that evenly set up along tunnel length direction.

Further, the temporary storage assembly comprises a supporting base 104 fixed on the storage platform through a direction adjusting assembly, wherein a group of clamping assemblies 105 are respectively arranged on two opposite side walls of the supporting base, each clamping assembly comprises at least two supporting rods 106 vertically fixed on the supporting base, and a crimping assembly is horizontally arranged on each supporting rod;

the crimping component comprises a crimping head 107, a compression roller 108 is rotatably arranged on the crimping head, the axial direction of the compression roller is parallel to the side wall of the supporting base for fixing the clamping component, a plurality of guide rods 109 are arranged on the crimping head, the guide rods horizontally penetrate through the supporting rods from inside to outside and are fixedly connected with a limiting baffle 110, a spring 111 is sleeved on each guide rod, and the spring is arranged between the crimping head and the supporting rods in a pressing mode;

and the two groups of clamping assemblies are used for limiting and fixing the duct piece placed on the supporting base.

Furthermore, two supporting ejector rods 112 are further arranged on the supporting base, the two supporting ejector rods are respectively arranged in parallel with the other two side walls of the supporting base, and the supporting ejector rods are used for supporting the bottom wall of the duct piece.

Further, the direction adjusting component comprises a first supporting shaft 113 fixed at the bottom of the supporting base, the first supporting shaft penetrates through the storage platform to fix a first gear 114, the first gears in the same group of temporary storage mechanisms are connected through a chain 115, a second gear 116 is coaxially fixed below one of the first gears, the second gear is meshed with a third gear 118 fixed on a servo motor 117, and the servo motor drives the third gear to rotate, so that the temporary storage components in the same group rotate simultaneously.

Further, the conveying mechanism comprises two vertically arranged second support frames 201, universal wheels 202 are arranged at the bottoms of the second support frames, a third support frame 203 is horizontally arranged at the tops of the two second support frames, and a transfer mechanism is arranged on the third support frame.

Further, a guide rail 204 is arranged on the side wall of the storage platform parallel to the length direction of the tunnel, a sliding block 205 is arranged on the guide rail, and the sliding block is fixedly connected with the inner wall of a second support frame through a connecting terminal 206; the bottom of the storage platform is provided with a first rack 207 corresponding to the guide rail, the first rack is meshed with a fourth gear 208 which is rotatably fixed on the second support frame, and the fourth gear is driven to rotate by a second motor 209;

the second motor drives the fourth gear to rotate, so that the second support frame drives the transfer mechanism to reciprocate along the guide rail.

Further, the transfer mechanism comprises an upper fixing sleeve 210, the upper fixing sleeve is slidably sleeved on a third support frame, two side walls of the third support frame are respectively provided with a second rack, the second rack is meshed with a fifth gear 211 arranged in the upper fixing sleeve, and the fifth gear is driven to rotate by a third motor 212, so that the upper fixing sleeve can reciprocate along the third support frame;

the upper fixing sleeve is provided with a hydraulic cylinder 213, and a push rod of the hydraulic cylinder passes through a guide groove on the third support frame and is connected with a clamping assembly positioned below the third support frame.

Further, the clamping assembly comprises a clamping fixing seat 214 connected with the push rods of the hydraulic cylinder, a bidirectional cylinder 215 is arranged in the clamping fixing seat, two push rods of the bidirectional cylinder are respectively provided with a push block 216, and the push blocks downwards penetrate through the clamping fixing seat to be fixedly connected with the clamping jaws 217;

the bidirectional cylinder drives the two clamping jaws to clamp or loosen, and the moving direction of the clamping jaws is vertical to the length direction of the tunnel.

Further, the front end of the storage platform is provided with a through groove 5, and the input end of the segment conveyor is arranged below the through groove.

Further, the conveying method of the segment conveying device comprises the following steps:

1) when the temporary storage assembly is in an idle state, the side wall of the supporting base fixing and clamping assembly rotates to be parallel to the length direction of the tunnel;

2) sequentially transferring the duct pieces on the transport vehicle into a clamping assembly, wherein a compression roller is pressed on the duct pieces under the action of a spring, and the diameter direction of the duct pieces is parallel to the length direction of the tunnel;

3) after the pipe pieces in the group of temporary storage mechanisms are transferred, the temporary storage assemblies in the group of temporary storage mechanisms are driven by the servo motor to rotate 90 degrees at the same time, so that the axial direction of the pipe pieces is parallel to the length direction of the tunnel;

4) the clamping assembly is controlled to move to the position above the temporary storage assembly of the duct piece to be transferred through a second motor and a third motor, the hydraulic cylinder drives the clamping assembly to move downwards, and the bidirectional cylinder drives the clamping jaws to clamp the duct piece;

5) promote the section of jurisdiction through the pneumatic cylinder, rethread second motor and third motor remove the section of jurisdiction to leading to the groove top, place the section of jurisdiction on section of jurisdiction conveyer again, can accomplish to carry and shift.

In this embodiment, the collection vessel is further provided with a main control box, the main control box is provided with a plurality of line sets for connecting with each execution element of the whole device, and the main control box is also provided with signal bus output and connected with a central control system, so that the operation control of the whole device is realized by a touch screen.