Shield negative ring duct piece conveying device

Abstract

The invention discloses a shield negative-ring duct piece transportation device which comprises a bracket used for bearing a negative-ring duct piece. The lifting mechanism is vertically arranged on the bracket and used for lifting the bracket in the vertical direction; and the movable lifting base is arranged on the lifting mechanism and is used for moving the lifting mechanism and the bracket on the lifting mechanism in the three-degree-of-freedom direction. The negative ring duct pieces can be transported to the to-be-installed position in the three-degree-of-freedom direction, the assembling efficiency of the negative ring duct pieces is improved, and the negative ring duct piece transporting device has the advantages of being small in space limitation, convenient, high in transporting efficiency, safe and reliable.

Description

Technical Field

[0001] The invention relates to the technical field of shield construction, and in particular to a shield negative ring segment transportation device. Background Art

[0002] In shield construction, the negative ring segments are installed between the reaction frame and the shield tail of the shield machine. When the shield machine starts, the reaction frame provides reaction force, and the negative ring segments are installed between the reaction frame and the shield jack to give the shield machine the force to advance forward until the shield tail of the shield machine enters the hole on the other side of the shaft wall. After completing its mission, it can be removed. During the splicing and installation of the negative ring segments, how to transport the negative ring segments to the location to be installed to improve the assembly efficiency of the negative ring segments has become a technical problem that needs to be solved in this field. Summary of the invention

[0003] The purpose of the present invention is to provide a shield negative ring segment transportation device to solve the problem of how to transport the negative ring segments to the installation position to improve the negative ring segment assembly efficiency.

[0004] In order to solve the above technical problems, the present invention provides a technical solution: a shield negative ring segment transportation device, comprising:

[0005] Bracket, used to support the negative ring segment;

[0006] A lifting mechanism, vertically disposed on the bracket, for lifting the bracket in a vertical direction;

[0007] The movable lifting base is arranged on the lifting mechanism and is used for moving the lifting mechanism and the bracket thereon in three degrees of freedom.

[0008] Furthermore, the shield negative ring segment transportation device provided by the present invention, the movable lifting base includes a seat plate and a plurality of automatically telescopic legs evenly and vertically arranged thereunder, and moving wheels arranged on each of the automatically telescopic legs.

[0009] Furthermore, in the shield negative ring segment transportation device provided by the present invention, a counterweight plate is arranged on the seat plate.

[0010] Furthermore, in the shield negative ring segment transportation device provided by the present invention, the automatically retractable legs are oil cylinders.

[0011] Furthermore, the shield negative ring segment transport device provided by the present invention, the lifting mechanism includes two baffles vertically spaced apart on the mobile lifting base, a transverse tube arranged between the baffles, a vertical tube vertically connected to the transverse tube, a lifting motor arranged on the transverse tube along the axis of the transverse tube and extending out of the baffle on one side, the lifting motor being hinged to a telescopic rod nested in the vertical tube through a crank located in the transverse tube.

[0012] Furthermore, in the shield negative ring segment transportation device provided by the present invention, the transverse pipe is arranged on the baffle on the side through a fixed plate.

[0013] Furthermore, in the shield negative ring segment transportation device provided by the present invention, the lifting mechanism also includes a heat dissipation fan arranged on the lifting motor and a heat dissipation hood thereon.

[0014] Furthermore, in the shield negative ring segment transportation device provided by the present invention, the bracket includes a connecting block detachably connected to the telescopic rod, a frame body vertically arranged on the connecting block, and a bracket is arranged on the frame.

[0015] Furthermore, in the shield negative ring segment transportation device provided by the present invention, a buffer and anti-skid pad is provided in the bracket.

[0016] Furthermore, in the shield negative ring segment transportation device provided by the present invention, the lifting mechanism is a hydraulic cylinder.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The shield negative ring segment transportation device provided by the present invention, when in use, places the negative ring segment on a bracket, vertically transports the bracket carrying the negative ring segment through a lifting mechanism, transports the lifting mechanism and the bracket carrying the negative ring segment thereon in a horizontal direction through a mobile lifting base, and fine-tunes the lifting mechanism, the bracket and the negative ring segment thereon in a vertical direction through a mobile lifting base, thereby realizing the transportation of the negative ring segment to the position to be installed in three degrees of freedom, thereby improving the assembly efficiency of the negative ring segment. Compared with the traditional method of hoisting the negative ring segment to the position to be installed by hoisting equipment, it has the advantages of less space limitation, convenience, high transportation efficiency, safety and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the shield negative ring segment transportation device;

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the bracket;

[0021] Figure 3 It is a three-dimensional structural schematic diagram of a mobile lifting base and a lifting mechanism thereon;

[0022] Figure 4 It is a schematic diagram of the structure of the heat dissipation fan and the heat dissipation cover;

[0023] As shown in the figure:

[0024] 100. Shield negative ring segment transportation device;

[0025] 110. Mobile lifting base, 111. Seat plate, 112. Automatic telescopic legs, 113. Moving wheels, 114. Counterweight;

[0026] 120, lifting mechanism, 121, baffle, 122, transverse tube, 123, vertical tube, 124, lifting motor, 125, telescopic rod, 125a, assembly groove, 125b, through hole, 126, fixing plate, 127, bolt, 128, heat dissipation fan, 129, heat dissipation cover;

[0027] 130. bracket, 131. connecting block, 132. frame, 133. bracket, 134. buffer and anti-skid pad. DETAILED DESCRIPTION

[0028] The present invention is described in detail below in conjunction with the accompanying drawings: The advantages and features of the present invention will become more apparent from the following description. It should be noted that the accompanying drawings are in very simplified form and in non-precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0029] Please refer to Figure 1 The embodiment of the present invention provides a shield negative ring segment transportation device 100, comprising a bracket 130, a lifting mechanism 120 and a movable lifting base 130, wherein:

[0030] The bracket 130 is used to support the negative ring segment.

[0031] The lifting mechanism 120 is vertically disposed on the bracket 130 and is used to lift the bracket 130 in the vertical direction.

[0032] The movable lifting base 130 is disposed on the lifting mechanism 120 and is used to move the lifting mechanism 120 and the bracket 130 thereon in three degrees of freedom.

[0033] Please refer to Figure 1 The shield negative ring segment transportation device 100 provided by the embodiment of the present invention, when in use, places the negative ring segment on the bracket 130, vertically transports the bracket 130 carrying the negative ring segment through the lifting mechanism 120, transports the lifting mechanism 120 and the bracket 130 carrying the negative ring segment thereon in the horizontal direction through the mobile lifting base 130, and fine-tunes the lifting mechanism 120, the bracket 130 and the negative ring segment thereon in the vertical direction through the mobile lifting base, thereby realizing the transportation of the negative ring segment to the position to be installed in the three-degree-of-freedom direction, thereby improving the assembly efficiency of the negative ring segment. Compared with the traditional method of hoisting the negative ring segment to the position to be installed with hoisting equipment, it has the advantages of less space limitation, convenience, high transportation efficiency, safety and reliability.

[0034] Please refer to Figure 1 and Figure 3In order to realize the movement of the mobile lifting base 130 in three degrees of freedom, the shield negative ring segment transportation device 100 provided in the embodiment of the present invention comprises a seat plate 111 and a plurality of automatic telescopic legs 112 evenly and vertically arranged below the seat plate 111, and a moving wheel 113 arranged on each of the automatic telescopic legs 112. The seat plate 111 may be in a rectangular shape such as a square or a rectangle, the automatic telescopic legs 112 may be 4, and the moving wheel 113 may have a brake function. The automatic telescopic legs 112 may be automatic adjustment parts such as oil cylinders.

[0035] Please refer to Figure 1 and Figure 3 In order to improve the bearing capacity of the negative ring segment, the shield negative ring segment transportation device 100 provided in the embodiment of the present invention has a counterweight plate 114 arranged on the seat plate 111, wherein the shape and size specifications of the counterweight plate 114 may be the same as those of the seat plate 111.

[0036] Please refer to Figure 1 and Figure 3 In order to realize the vertical transportation of the bracket 130 and the negative ring segments carried thereon, the shield negative ring segment transportation device 100 provided in the embodiment of the present invention, the lifting mechanism 120 includes two baffles 121 vertically spaced and arranged on the mobile lifting base 130, a transverse tube 122 arranged between the baffles 121, a vertical tube 123 vertically connected to the transverse tube 122, and a lifting motor 124 arranged on the transverse tube 122 along the axis of the transverse tube 122 and extending out of the baffle 121 on one side, and the lifting motor 124 is hinged with a telescopic rod 125 embedded in the vertical tube 123 through a crank (not shown) located in the transverse tube 122. The baffle 121 is specifically arranged on the seat plate 111 or the counterweight plate 114, the transverse tube 122 can be a round tube, the vertical tube 123 can be a rectangular tube, and the telescopic rod 125 is a rectangular rod matching the vertical tube 123. After the lifting motor 124 is started, the telescopic rod 125 is driven to be lifted and lowered by the crank, so as to drive the bracket 130 to move in the vertical direction by the telescopic rod 125. In order to fix the transverse tube 122, the transverse tube 122 can be arranged on the baffle 121 on the side through a fixing plate 126.

[0037] Please refer to Figure 1 , Figure 3 to Figure 4In order to reduce the failure rate of the lifting motor 124, the shield negative ring segment transport device 100 provided in the embodiment of the present invention, the lifting mechanism 120 also includes a heat dissipation fan 128 and a heat dissipation cover 129 disposed on the lifting motor 124. The heat dissipation fan 128 discharges the heat generated by the operation of the lifting motor 124 to the outside of the transverse pipe 122 through the heat dissipation cover 129, thereby preventing the heat from accumulating in the transverse pipe 122 and causing the lifting motor 124 to overheat or have other failures, thereby improving the heat dissipation effect of the lifting motor 124.

[0038] Please refer to Figure 1 to Figure 2 , the shield negative ring segment transportation device 100 provided in the embodiment of the present invention, the bracket 130 includes a connection block 131 detachably connected to the telescopic rod 125, a frame 132 vertically arranged on the connection block 131, and a bracket 133 is arranged on the frame. The frame 132 is in a bar shape, and the contact area with the negative ring segment thereon is increased by the frame 132 with a bar structure, thereby improving its stability on the frame 131. The bracket 133 is used to prevent the negative ring segment carried thereon from falling off, thereby improving its stability in transportation on the bracket 130; in order to further improve the stability of the negative ring segment on the bracket 133, a buffering and anti-skid pad 134 such as a rubber pad can be arranged in the bracket 133. The connection block 131 is used for detachable connection with the telescopic rod 125 of the lifting mechanism 120. For example, the upper end of the telescopic rod 125 is provided with a connection groove 125a, and through holes are provided along the opposite sides of the connection groove 125a. The bracket 130 is inserted into the connection groove 125a assembled on the telescopic rod 125 of the lifting mechanism 120 through the connection block 131, and then the connection block 131 is connected to the telescopic rod 125 by the bolt 127. Of course, the telescopic rod 125 and the connection block 131 can also be detachably connected by means of a flange and a flange bolt. The bracket 130 is detachably connected to the lifting mechanism 120, and the brackets 133 of different curvatures can be replaced to be suitable for the transportation of negative ring segments of different curvatures.

[0039] The shield negative ring segment transport device 100 provided in an embodiment of the present invention, the lifting mechanism 120 is not limited to the above structure. In order to increase the vertical transport stroke, the lifting mechanism 120 can adopt a hydraulic cylinder. At this time, the bracket 130 is detachably connected to the hydraulic cylinder serving as the lifting mechanism 120 through the connecting block 131.

[0040] The present invention is not limited to the above-mentioned specific implementation modes. Obviously, the above-mentioned embodiments are only some embodiments of the embodiments of the present invention, but not all embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the present invention. Those skilled in the art can make other levels of modifications and changes to the present invention. In this way, if these modifications and changes of the present invention fall within the scope of the claims of the present invention, the present invention is also intended to include these changes and changes.

Claims

1. A shield negative ring segment transportation device, characterized in that: include: Bracket, used to support the negative ring segment; A lifting mechanism, vertically disposed on the bracket, for lifting the bracket in a vertical direction; The movable lifting base is arranged on the lifting mechanism and is used for moving the lifting mechanism and the bracket thereon in three degrees of freedom.

2. The shield negative ring segment transportation device according to claim 1 is characterized in that: The movable lifting base comprises a seat plate and a plurality of automatically telescopic legs evenly and vertically arranged below the seat plate, and a movable wheel arranged on each of the automatically telescopic legs.

3. The shield negative ring segment transportation device according to claim 2 is characterized in that: A counterweight plate is arranged on the seat plate.

4. The shield negative ring segment transportation device according to claim 2 is characterized in that: The automatically telescopic legs are oil cylinders.

5. The shield negative ring segment transportation device according to claim 1 is characterized in that: The lifting mechanism includes two baffles vertically spaced apart on the mobile lifting base, a transverse tube arranged between the baffles, a vertical tube vertically connected to the transverse tube, a lifting motor arranged on the transverse tube along the axis of the transverse tube and extending out of the baffle on one side, and the lifting motor is hingedly connected to a telescopic rod nested in the vertical tube through a crank located in the transverse tube.

6. The shield negative ring segment transportation device according to claim 5 is characterized in that: The transverse tube is arranged on the baffle plate on the side through a fixing plate.

7. The shield negative ring segment transportation device according to claim 5 is characterized in that: The lifting mechanism also includes a heat dissipation fan arranged on the lifting motor and a heat dissipation cover thereon.

8. The shield negative ring segment transportation device according to claim 5 is characterized in that: The bracket comprises a connection block detachably connected to the telescopic rod, a frame body vertically arranged on the connection block, and a bracket groove is arranged on the frame.

9. The shield negative ring segment transportation device according to claim 8 is characterized in that: A buffer and anti-skid pad is arranged in the bracket.

10. The shield negative ring segment transportation device according to claim 1, characterized in that: The lifting mechanism is a hydraulic cylinder.

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