CN-224228691-U - Segment conveying trolley with lifting mechanism

CN224228691UCN 224228691 UCN224228691 UCN 224228691UCN-224228691-U

Abstract

The utility model relates to the technical field of duct piece conveying equipment and discloses a duct piece conveying trolley with a lifting mechanism, which comprises a movable frame pushing mechanism, wherein the movable frame pushing mechanism comprises an outer frame which is connected with the ground, the middle part of the outer frame is provided with a displacement cavity groove, two sides of the groove position of the displacement cavity groove are respectively provided with a movable wheel, the middle part of the top end of the outer frame is provided with a duct piece conveying trolley telescopic cylinder, the telescopic end of the top of the duct piece conveying trolley telescopic cylinder is provided with a duct piece conveying trolley movable frame, the side wall of the duct piece conveying trolley movable frame is provided with a conveying trolley lifting platform, the bottom end of the conveying trolley lifting platform is provided with a duct piece conveying trolley lifting mechanism, and the support and the limit of a specific time stage are realized by combining the actual functional action and the working scene of the duct piece conveying trolley and combining a specific set of adaptive conveying trolley lifting mechanism through setting the contacts of trigger levers at different positions and the contact of connecting rod contact parts and the rotation angles of connecting rods.

Inventors

LUO CHAOMING
HAN CHENG
WANG JIANTONG
Pan Shuiqing
Huang Tenghao
CHENG MINGZHONG
ZENG DEWEI
CHEN TIESHAN

Assignees

广州山河智能机器股份有限公司

Dates

Publication Date: 20260512
Application Date: 20250624

Claims (7)

1. The pipe piece conveying trolley with the lifting mechanism comprises a moving frame pushing mechanism (1), and is characterized in that the moving frame pushing mechanism (1) comprises an outer frame (11) which is connected with the ground, the middle of the outer frame (11) is provided with a displacement cavity groove, two sides of the groove position of the displacement cavity groove are respectively provided with a moving wheel (12), the middle of the top end of the outer frame (11) is provided with a pipe piece conveying trolley telescopic cylinder (13), the top telescopic end of the pipe piece conveying trolley telescopic cylinder (13) is provided with a pipe piece conveying trolley moving frame (14), the side wall of the pipe piece conveying trolley moving frame (14) is provided with a conveying trolley lifting platform (15), the bottom end of the conveying trolley lifting platform (15) is provided with a pipe piece conveying trolley lifting mechanism (2), the bottom of the pipe piece conveying trolley lifting mechanism (2) is attached to the surface of a conveying trolley fixing frame (16), and the bottom of the pipe piece conveying trolley fixing frame (16) is obliquely provided with a buffer shock absorber (161); and the conveying trolley lifting platform (15), the duct piece conveying trolley moving frame (14) and the buffer shock absorbers (161) are symmetrically arranged at two sides of the outer frame (11).
2. The duct piece conveying trolley with the lifting mechanism according to claim 1, wherein the two sides of the conveying trolley lifting platform (15) are respectively provided with a movable frame protruding piece (151), the movable frame protruding piece (151) corresponds to the top position of the corresponding duct piece conveying trolley fixing frame (16), and a lifting trigger mechanism (17) is arranged in the middle of the groove of the duct piece conveying trolley fixing frame (16).
3. The duct piece conveying trolley with the lifting mechanism according to claim 1, wherein the duct piece conveying trolley moving frame (14) and the groove surface of the concrete duct piece conveying trolley fixing frame (16) are in linear sliding pushing arrangement, and a grid plate (141) is arranged in the middle of the duct piece conveying trolley moving frame (14).
4. The duct piece conveying trolley with the lifting mechanism according to claim 2, wherein the lifting machine triggering mechanism (17) comprises a fixed slideway (171) arranged at the bottom of a duct piece conveying trolley fixing frame (16), a fourth pushing block (172) is arranged at the end head of the fixed slideway (171), a triggering rod (173) in the middle of the top end of the fourth pushing block (172), a third pushing block (174) is arranged at the other end of the bottom of the triggering rod (173), the other end of the triggering rod (173) is hinged with the surface of the second pushing block (175), and the bottom end head of the triggering rod (173) is arranged with the surface of the first pushing block (176).
5. The segment conveying trolley with the lifting mechanism according to claim 1, wherein the segment conveying trolley lifting mechanism (2) comprises a moving slide plate (21) arranged on the surface of a conveying trolley lifting platform (15), a moving slide plate sliding shaft (22) is arranged on the top surface of the plate surface of the moving slide plate (21), a compression spring (23) is sleeved on the top surface of the moving slide plate sliding shaft (22), a moving plate (24) is arranged at the end of the moving slide plate (21), a moving plate groove (241) is formed in the top of the plate surface of the moving plate (24), moving plate tooth parts (242) are arranged at the corner positions of the bottom of the groove of the moving plate groove (241), and a moving limiting plate (243) is arranged at the end of the moving slide plate (21).
6. The segment conveying trolley with the lifting mechanism according to claim 5, wherein a connecting rod (2411) matched with the moving plate groove (241) is inserted and matched with the moving plate groove, and the connecting rod (2411) is composed of a connecting rod triggering part (2412), a connecting rod fixing fulcrum (2413) and a rotary connecting pad (2414).
7. The segment conveying trolley with the lifting mechanism according to claim 6, wherein the bottom of the connecting rod fixing fulcrum (2413) is further connected with a spring clamping mechanism (3); the spring clamping mechanism (3) comprises a meshing plate connecting pin (31) arranged at the top of a connecting rod fixing fulcrum (2413), two fixing plates (32) are arranged at the bottom of the meshing plate connecting pin (31), compression spring groups (33) are arranged between the fixing plates (32), and a meshing plate (34) with tooth grooves is arranged on the surface of the fixing plate (32) at one end.

Description

Segment conveying trolley with lifting mechanism Technical Field The utility model relates to the technical field of duct piece conveying equipment, in particular to a duct piece conveying trolley with a lifting mechanism. Background The shield segment is a main assembly component for shield construction, is the innermost barrier of a tunnel, and plays roles of resisting soil layer pressure, underground water pressure and some special loads. The shield segment is a permanent lining structure of the tunnel by a shield method, and the quality of the shield segment is directly related to the overall quality and safety of the tunnel, so that the waterproof performance and the durability of the tunnel are affected; The retrieval discovers that the shield-method tunnel duct piece assembling structure with the application number of CN201520272216.3 is characterized by at least comprising a duct piece, a hoisting bolt, a gripping device, an oil cylinder, a cross beam, a conveying frame, a duct piece conveying trolley, a cutter disc and a duct piece assembling machine, wherein the duct piece is arranged at the lower part of the whole body, the circumference of the duct piece is formed by splicing a plurality of duct pieces, the middle part of the duct piece is tightly connected through the hoisting bolt, the lower end part of the hoisting bolt is inserted into the duct piece, the gripping device is in threaded connection with the hoisting bolt, the oil cylinder is arranged at the upper end of the hoisting bolt, the cross beam is arranged at the left end of the oil cylinder, the conveying frame is arranged below the cross beam and is in matched connection with the cross beam, the duct piece conveying trolley is arranged at the left end of the conveying frame, the duct piece assembling machine is arranged at the left end of the duct piece conveying trolley, the cutter disc is arranged at the leftmost end of the whole body, the hole forming shape of the structure is more perfect, the whole structure is novel, the shield posture is good, the ring surface is tightly adhered, and the practicability is strong, and the structure is easy to popularize and use; 1) The majority of the time is taken up on the entire transport path, resulting in a lower transport efficiency. Meanwhile, in the number of the oil cylinders and the arrangement of the jacking oil cylinders, at least 4 pipe piece conveying trolleys are arranged; 2) In the selection of the oil cylinder, in order to enable the telescopic oil cylinder to have a larger stroke, the stability of the oil cylinder is considered, the actual action oil pressure of the oil cylinder is smaller, and the oil cylinder capacity is redundant, so that more action oil cylinders exist, the cost is higher, the hydraulic oil leakage points are more, the environmental risk of oil pollution is larger, the action links are more, the occupied time is long, and the working efficiency of the duct piece conveying trolley is affected. Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model aims to provide a duct piece conveying trolley with a lifting mechanism, and in the selection of an oil cylinder, in order to ensure that a telescopic oil cylinder has a larger stroke, the stability of the oil cylinder is considered, the actual action oil pressure of the oil cylinder is smaller, and the oil cylinder capacity is redundant. Therefore, more action cylinders exist, so that the cost is higher, the hydraulic oil leakage points are more, the environmental risk of oil pollution is larger, the action links are more, the occupied time is long, and the working efficiency of the duct piece conveying trolley is affected. (II) technical scheme The pipe piece conveying trolley comprises a movable frame pushing mechanism, wherein the movable frame pushing mechanism comprises an outer frame which is in fit with the ground, a displacement cavity groove is formed in the middle of the outer frame, movable wheels are respectively arranged on two sides of a groove position of the displacement cavity groove, a pipe piece conveying trolley telescopic cylinder is arranged in the middle of the top end of the outer frame, a pipe piece conveying trolley movable frame is arranged at the telescopic end of the top end of the pipe piece conveying trolley telescopic cylinder, a conveying trolley lifting platform is arranged on the side wall of the pipe piece conveying trolley movable frame, a pipe piece conveying trolley lifting mechanism is arranged at the bottom end of the conveying trolley lifting platform, the bottom of the pipe piece conveying trolley lifting mechanism is in fit with the surface of a pipe piece conveying trolley fixing frame, and a buffer shock absorber is obliquely arranged at the bottom of the conveying pipe piece trolley fixing frame; And the lifting platform of the conveying trolley, the moving frame of the duct piece conveying trolley