Platform-type lagging jack trolley

Abstract

The utility model discloses a rack type arch frame trolley, and relates to the technical field of tunnel engineering, the rack type arch frame trolley comprises a rack, the rack is provided with multiple layers of platforms, and the multiple layers of platforms comprise a top layer platform and middle layer platforms located on the two sides of the rack; the two side-standing arch arm mechanisms are respectively arranged on the middle-layer platform on the two sides of the rack; and the neutral arch arm mechanism is arranged on the top-layer platform in a sliding manner. During construction, the middle section of the folding arch frame is grabbed by the middle vertical arch arm mechanism, the left section and the right section of the folding arch frame are grabbed by the two side vertical arch arm mechanisms, the middle vertical arch arm mechanism moves along the top-layer platform, the side vertical arch arm mechanisms move along the middle-layer platform, then the folding arch frame is conveyed to a designated position, and mounting and fixing of the arch frame are completed. The problem that space is limited in the installation process of the folding arch frame is solved, time and cost are saved for transportation and arch erecting of the arch frame, and the arch erecting efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tunnel engineering, and particularly relates to a gantry type arch frame trolley. BACKGROUND

[0002] In a tunnel construction process, for installation of an arch frame, related technology is to transport the arch frame to a rear end portion close to a gantry through a loader, to lift the arch frame through a lifting mechanism, to clamp the arch frame when lifted to a predetermined position, and to transport the arch frame to a front end of the gantry through a transportation mechanism. In the transportation process, the arch frame is overlapped at two ends in a length direction of the gantry, to achieve stable transportation. When reaching a position close to a tunnel face, two side arch arms grab two sides of the arch frame, and three arm frames cooperate in a space range above and on both sides of the gantry to erect the arch.

[0003] However, since the arch erection area is on an outer side of the gantry and an inner side of the tunnel, the arch erection covers a small area, and the arm frame covers a low area. When a large range needs to be adjusted, the arm frame cannot well cover the entire section, and has a great influence on the arch erection efficiency. SUMMARY

[0004] In order to improve the arch erection efficiency, the present application provides a gantry type arch frame trolley.

[0005] The arch frame construction mechanism of the gantry type arch frame trolley provided by the present application adopts the following technical scheme:

[0006] The gantry type arch frame trolley comprises:

[0007] A gantry, which has a plurality of platforms, including a top platform and a middle platform located on both sides of the gantry and below the top platform;

[0008] Two side arch arm mechanisms, which are respectively arranged on the middle platforms on both sides of the gantry; and

[0009] A middle arch arm mechanism, which is slidingly arranged on the top platform.

[0010] Through the above technical scheme, in construction, the middle arch arm mechanism grabs a middle section of a folded arch frame, the two side arch arm mechanisms grab left and right sections of the folded arch frame, the middle arch arm mechanism moves along the top platform, and the side arch arm mechanisms move along the middle platforms, so as to transport the folded arch frame to a designated position and complete installation and fixation of the arch frame. The problem of limited space of the folded arch frame in the installation process is solved, time cost for transportation and arch erection of the arch frame is saved, and the arch erection efficiency is improved.

[0011] Optionally, the middle arch arm mechanism comprises:

[0012] An arm support seat is slidingly arranged on the top platform;

[0013] A telescopic arm is connected to the arm support seat, and a transition piece is connected to a movable end of the telescopic arm;

[0014] A connecting arm is connected to the transition piece;

[0015] A mounting portion is arranged on the connecting arm;

[0016] A gripper assembly is connected to the mounting portion for gripping the arch.

[0017] By adopting the above technical scheme, when the arch is erected, the arch in the middle section is clamped and fixed by the gripper assembly, the arm support seat is moved to one end close to the working face of the top platform, the telescopic arm is driven to extend, and the arch is extended to the working face; the whole working face area can be adjusted for operation, the problem of limited space during installation of the folded arch is solved, the transportation and erection of the arch are saved in time and cost, and the erection efficiency is improved.

[0018] Optionally, a third rotary speed reducer is connected between the telescopic arm and the transition piece, a fourth rotary speed reducer is connected between the transition piece and the connecting arm, and rotary shafts of the third rotary speed reducer and the fourth rotary speed reducer are perpendicular to each other.

[0019] By adopting the above technical scheme, the telescopic arm can be driven to rotate in two perpendicular planes by the third rotary speed reducer and the fourth rotary speed reducer, and the gripper assembly is driven to rotate in the two planes, so that the degree of freedom of the gripper assembly is improved, and the flexibility of the gripper assembly is improved.

[0020] Optionally, the mounting portion includes a first hinged seat and a second hinged seat, the first hinged seat is hinged to one end of the connecting arm away from the telescopic arm, the second hinged seat is arranged at one end of the first hinged seat away from the connecting arm, a deflection mechanism for driving the first hinged seat to deflect is arranged on the connecting arm, and the gripper assembly is arranged on the second hinged seat.

[0021] By adopting the above technical scheme, the first hinged seat is driven to deflect by the deflection mechanism, so that the angle of the gripper assembly is adjusted, and the angle adjustment range of the gripper assembly is further improved.

[0022] Optionally, the deflection mechanism includes a deflection oil cylinder, a first connecting rod, a second connecting rod, and a hinged shaft, one end of the first connecting rod and one end of the second connecting rod are hinged by the hinged shaft, the other end of the first connecting rod is hinged to the connecting arm, the other end of the second connecting rod is hinged to the first hinged seat, the deflection oil cylinder is hinged to the connecting arm, and a piston rod of the deflection oil cylinder is hinged to the hinged shaft.

[0023] Optionally, the second hinge seat is hinged with the first hinge seat, and a deflection member is arranged between the first hinge seat and the second hinge seat for driving the second hinge seat to deflect.

[0024] By adopting the technical scheme, the second hinge seat is driven to deflect by the deflection member, and then the gripper assembly is driven to deflect, so that the angle adjustment range of the gripper assembly is further improved.

[0025] Optionally, the neutral arch arm mechanism further comprises an arm frame pitching assembly, the arm frame pitching assembly comprises a first oil cylinder and a second oil cylinder, the first oil cylinder is used for driving the arm frame seat to pitch, and the second oil cylinder is used for driving the telescopic arm to pitch on the arm frame seat.

[0026] Optionally, a rotating mechanism is arranged on the sliding mechanism, one end of the first oil cylinder is hinged to the rear end of the rotating mechanism, the other end of the first oil cylinder is hinged to the rear end of the arm frame seat, the front end of the arm frame seat and one end of the second oil cylinder are hinged to the front end of the arm frame seat, and the other end of the second oil cylinder is hinged to the telescopic arm frame.

[0027] Optionally, the side standing arch arm mechanism comprises:

[0028] a mounting seat, the mounting seat is slidingly arranged on the middle layer platform;

[0029] a telescopic arm, the telescopic arm is hinged to the mounting seat, and a vertical beam is arranged at the front end of the telescopic arm;

[0030] a rotating arm, the rotating arm is rotationally connected to the lower end of the vertical beam;

[0031] a first driving member, the first driving member is connected to the mounting seat and the telescopic arm, and is used for driving the telescopic arm to deflect upward or downward;

[0032] a gripper assembly, the gripper assembly is rotationally connected to the rotating arm.

[0033] By adopting the technical scheme, in the arch frame construction, the arch frame is clamped and fixed by the gripper assembly, the mounting seat moves along the middle layer platform, after moving to the other end of the trolley, the telescopic arm is driven to elongate, so that the arch frame is elongated to the outside of the trolley and the working face, according to the needs, the telescopic arm is driven to rotate by the first driving member, so that the height position of the gripper assembly can be adjusted, the telescopic arm can be elongated or shortened, so that the arch frame can be directly transported from one end of the trolley to the working face, the rotating arm drives the gripper assembly to rotate in the horizontal plane, so that the purpose of adjusting the angle of the arch frame is further achieved; the whole working face area can be adjusted, the problem of limited space in the installation process of the folding arch frame is solved, the transportation and standing arch of the arch frame are saved in time cost, and the standing arch efficiency is improved.

[0034] Optionally, the telescopic arm comprises a fixed arm and a movable arm, the fixed arm is hinged to the mounting seat, the movable arm slides along the length direction of the fixed arm and is arranged in the fixed arm, and the fixed arm is provided with a second driving member for driving the movable arm to slide along the fixed arm.

[0035] By using the above technical scheme, the movable arm is driven to slide by the second driving member, so that the movable arm moves along the length direction of the fixed arm, and the purpose of adjusting the length of the whole telescopic arm is realized.

[0036] A gantry type arch support trolley comprises the arch support construction mechanism.

[0037] In summary, the present application has at least one of the following beneficial technical effects:

[0038] 1. During construction, the middle arch arm mechanism grabs the middle section of the folded arch support, the left and right arch arm mechanisms grab the left and right sections of the folded arch support, the middle arch arm mechanism moves along the top platform, the side arch arm mechanism moves along the middle platform, and then the folded arch support is transported to the designated position to complete the installation and fixation of the arch support; the problem of limited space during the installation of the folded arch support is solved, the time and cost of arch support transportation and arch erection are saved, and the efficiency of arch erection is improved.

[0039] 2. The three-rotation speed reducer and the fourth-rotation speed reducer can drive the telescopic arm to rotate in two mutually perpendicular planes, thereby driving the gripper assembly to rotate in the two planes, improving the degree of freedom of the gripper assembly and the flexibility of the arch support grabbing.

[0040] 3. The deflection mechanism drives the first hinged seat to deflect, thereby adjusting the angle of the gripper assembly and further improving the angle adjustment range of the gripper assembly.

[0041] 4. During arch support construction, the arch support is clamped and fixed by the arch gripping assembly, the mounting seat moves along the guide rail, and after moving to the other end of the guide rail, the telescopic arm is driven to extend, so that the arch support is extended to the outside of the trolley and the working face; and according to the need, the telescopic arm is driven to rotate by the first driving member, thereby adjusting the height position of the arch gripping assembly, and the telescopic arm can be extended or shortened, so that the arch support can be directly transported from one end of the trolley to the working face, the whole working face area can be adjusted for operation, the problem of limited space during the installation of the folded arch support is solved, the time and cost of arch support transportation and arch erection are saved, and the efficiency of arch erection is improved.

[0042] 5. The clamping assembly of the middle arch arm mechanism clamps the middle section of the arch support, which cooperates with the left and right arch arm mechanisms to facilitate the clamping and construction of the three-section arch support. BRIEF DESCRIPTION OF DRAWINGS

[0043] Figure 1is a schematic diagram of the overall structure of an embodiment of the present application;

[0044] Figure 2 is a schematic diagram of the structure of a left or right vertical arch arm mechanism of an embodiment of the present application;

[0045] Figure 3 is a schematic diagram of the structure of an embodiment of the present application mainly embodying a sliding mechanism;

[0046] Figure 4 is a schematic diagram of the structure of an embodiment of the present application mainly embodying a grab arch assembly, a rotary arm and a hanging basket;

[0047] Figure 5 is a schematic diagram of the structure of an embodiment of the present application mainly embodying a grab arch assembly;

[0048] Figure 6 is a schematic diagram of the structure of an embodiment of the present application mainly embodying a rotary arm and a hanging basket;

[0049] Figure 7 is an enlarged view of A of an embodiment of the present application Figure 5

[0050] Figure 8 is a schematic diagram of the structure of a vertical arch arm mechanism of an embodiment of the present application;

[0051] Figure 9 is a schematic diagram of part of the structure of a vertical arch arm mechanism of an embodiment of the present application.

[0052] ​Explanation of reference signs: 1, guide rail; 11, cross beam; 12, fixed rod; 2, mounting seat; 3, telescopic arm; 31, fixed arm; 311, first driving member; 312, second driving member; 32, movable arm; 4, arch grabbing assembly; 41, receiving plate; 42, fixed claw; 43, movable claw; 5, sliding mechanism; 51, moving seat; 52, roller; 531, hydraulic motor; 6, rotary arm; 61, vertical beam; 611, third driving member; 62, first rotary speed reducer; 63, second rotary speed reducer; 64, base; 7, hanging basket; 71, guardrail; 711, stand column; 72, movable door; 8, limiting assembly; 81, first ear plate; 82, second ear plate; 83, bolt; 831, handle; 832, limiting table; 84, mounting block; 85, elastic member; 10, rack; 20, side vertical arch arm mechanism; 30, middle vertical arch arm mechanism; 31, arm support seat; 311, first hinge point; 312, second hinge point; 32, telescopic arm support; 321, fixed arch arm; 3211, first arch arm oil cylinder; 322, first movable arch arm; 323, second movable arch arm; 33, connecting arm; 34, mounting part; 341, first hinge seat; 3411, deflection member; 342, second hinge seat; 35, transition member; 351, third rotary speed reducer; 352, fourth rotary speed reducer; 40, deflection mechanism; 401, deflection oil cylinder; 402, first connecting rod; 403, second connecting rod; 404, hinge shaft; 50, arm support pitching assembly; 501, first oil cylinder; 502, second oil cylinder; 60, rotary mechanism. DETAILED DESCRIPTION

[0053] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0054] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directionality indications also change accordingly.

[0055] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood in a broad sense, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0056] In addition, if the present application involves "first", "second" and the like in the description, the "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. For example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art. When the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist, nor is it within the scope of protection required by the present application.

[0057] In the process of tunnel construction, when the arch frame is constructed, it is necessary to transport multiple arch frames to the tunnel face, but because the vertical arch area is outside the gantry and inside the tunnel, the vertical arch coverage area is small, and the arm frame coverage area is low. When large-scale adjustment is needed, the arm frame cannot cover the entire section well, and the adjustment angle of the arm frame is small, which greatly affects the efficiency of the vertical arch.

[0058] Therefore, referring to Figure 1 The embodiment discloses a gantry type arch frame trolley, which comprises a gantry 10, the gantry 10 has multiple platforms, the multiple platforms comprise a top platform and middle platforms located on both sides of the gantry 10, and the middle platforms are located below the top platform.

[0059] Referring to Figure 1 Two side vertical arch arm mechanisms 20 are arranged on the middle platforms on both sides of the gantry 10, and a middle vertical arch arm mechanism 30 is slidably arranged on the top platform. In the embodiment, the middle vertical arch arm mechanism 30 is located at the center line position of the top platform. Specifically, guide rails 1 are fixedly arranged on the middle platforms and the top platform along the length direction of the gantry 10, and the side vertical arch arm mechanism 20 and the middle vertical arch arm mechanism 30 can slide along the guide rails 1.

[0060] Optionally, referring to Figure 2 and Figure 3The guide rail 1 comprises two parallel beams 11, the two beams 11 are fixedly connected by a fixed rod 12, and the beams 11 are provided with a sliding groove on the side away from each other. In the embodiment, the beam 11 can be made of an I-shaped steel.

[0061] Optionally, the side standing arch arm mechanism 20 comprises a mounting seat 2, a telescopic arm 3 and an arch grabbing assembly 4.

[0062] Specifically, the mounting seat 2 is movable along the running direction of the vehicle body, and is arranged on the guide rail 1 and movable along the guide rail 1. Specifically, the bottom of the mounting seat 2 is provided with a sliding mechanism 5, and the sliding mechanism 5 comprises a moving seat 51, a roller 52 and a power assembly for driving the roller 52 to rotate. The mounting seat 2 is fixedly arranged on the moving seat 51, and the roller 52 is rotatably arranged on the moving seat 51. The moving seat 51 is provided with the roller 52 on both sides, and at least two rollers 52 are arranged on each side of the moving seat 51. The rollers 52 on both sides of the moving seat 51 are in contact with the two beams 11. The roller 52 is arranged in the sliding groove. In order to improve the stability, the size of the roller 52 is matched with the width of the sliding groove, so that the roller 52 can abut against the upper and lower side walls of the sliding groove, preventing the moving seat 51 and the mounting seat 2 from jumping up and down during movement.

[0063] Referring to Figure 2 and Figure 3 , the power assembly comprises a hydraulic motor 531 and a transmission assembly. The hydraulic motor 531 is fixedly arranged on the moving seat 51, and the hydraulic motor 531 is connected with the roller 52 through the transmission assembly. The transmission assembly can be a gear transmission such as a speed reducer, or a chain or belt transmission, as long as it can transmit power from the hydraulic motor 531 to the roller 52. Here, the prior art is not described in detail. The hydraulic motor 531 is started to drive the roller 52 to rotate through the transmission assembly, thereby achieving the purpose of driving the moving seat 51 and the mounting seat 2 to move along the guide rail 1.

[0064] Referring to Figure 2 and Figure 3 , the mounting seat 2 is hingedly connected with the telescopic arm 3. The telescopic arm 3 can be deflected in the vertical plane, and the rotation axis of the telescopic arm 3 is a horizontal line perpendicular to the length direction of the guide rail 1. The telescopic arm 3 can be lengthened or shortened.

[0065] Specifically, the telescopic arm 3 comprises a fixed arm 31 and a movable arm 32, the cross sections of the fixed arm 31 and the movable arm 32 can be rectangular or circular or other shapes, in the embodiment, the cross sections of the fixed arm 31 and the movable arm 32 are rectangular, so as to prevent the movable arm 32 from rotating around the length direction of the fixed arm 31. The fixed arm 31 is hinged to the mounting seat 2, the fixed arm 31 is a hollow structure, and the movable arm 32 is slidably arranged in the fixed arm 31 along the length direction of the fixed arm 31. The fixed arm 31 is provided with a first driving member 311 for driving the telescopic arm 3 to deflect upward or downward. The first driving member 311 is a first hydraulic cylinder, the piston rod of the first hydraulic cylinder is hinged to the bottom wall of the fixed arm 31, and the first hydraulic cylinder can drive the fixed arm 31 to deflect upward when the piston rod of the first hydraulic cylinder is elongated.

[0066] The fixed arm 31 is provided with a second driving member 312 for driving the movable arm 32 to slide along the fixed arm 31, the second driving member 312 is a second hydraulic cylinder hinged to the fixed arm 31, the piston rod of the second hydraulic cylinder is hinged to the movable arm 32, and the second hydraulic cylinder can drive the movable arm 32 to slide along the fixed arm 31.

[0067] Referring to Figure 2 and Figure 4 , the arch construction mechanism further comprises a rotating arm 6, a vertical beam 61 connected to the end of the movable arm 32 away from the fixed arm 31, and a rotating member provided between the rotating arm 6 and the vertical beam 61 for driving the rotating arm 6 to rotate.

[0068] The end of the rotating arm 6 away from the vertical beam 61 is further provided with a hanging basket 7, the vertical beam 61 is hinged to the movable arm 32, and a third driving member 611 is provided between the movable arm 32 and the vertical beam 61 for adjusting the angle between the vertical beam 61 and the movable arm 32, the third driving member 611 is a third hydraulic cylinder, the piston rod of the third hydraulic cylinder is hinged to the movable arm 32.

[0069] Referring to Figure 2 and Figure 4 , wherein the rotating member is a first rotating speed reducer 62, the bottom of the vertical beam 61 is fixedly provided with the first rotating speed reducer 62, the rotating speed reducer is driven by hydraulic pressure, and one end of the rotating arm 6 is rotatably arranged on the first rotating speed reducer 62, so that the rotating arm 6 can rotate around the vertical beam 61. The first rotating speed reducer 62 is driven by hydraulic pressure, and can drive the mechanism arranged on the rotating platform to rotate, that is, can drive the rotating arm 6 to rotate. The arch grabbing assembly 4 is arranged at the end of the rotating arm 6 away from the vertical beam 61.

[0070] During construction, the rotating arm 6 is rotated by the first rotary speed reducer 62, and the rotating arm 6 drives the arch grabbing assembly 4 and the hanging basket 7 to rotate in the horizontal plane, thereby improving the working range and the flexibility of the adjusting angle of the arch grabbing assembly 4 and the hanging basket 7, especially when the arch grabbing assembly 4 and the hanging basket 7 need to be constructed in the middle of the tunnel, if the telescopic arm 3 cannot continue to swing inward, the first rotary speed reducer 62 can be used as a swing supplement.

[0071] Referring to Figure 2 and Figure 4 , the arch construction mechanism further comprises an inclination sensor arranged on the hanging basket 7, for detecting the inclination angle of the hanging basket 7 in the vertical direction and outputting a detection signal; and a controller for controlling the third driving member 611 to act in response to the detection signal, so as to adjust the inclination angle of the hanging basket 7; when the hanging basket 7 is deflected, the deflection angle of the hanging basket 7 in the vertical direction is just equal to the upward or downward deflection angle of the telescopic arm 3, when the inclination sensor detects that the hanging basket 7 is inclined, the detection signal is output, and the controller can control the third hydraulic cylinder to extend or retract, so as to drive the rotating arm 6 and the hanging basket 7 to deflect, so that the hanging basket 7 is always in a vertical state. During the arch construction process, the operator is located in the hanging basket 7, if the telescopic arm 3 is deflected upward or downward, the hanging basket 7 will be deflected, so that the hanging basket 7 is in an inclined state; according to the inclination sensor, the inclination angle of the hanging basket 7 can be detected in real time, when the hanging basket 7 is in an inclined state, the controller controls the third driving member 611 to drive the vertical beam 61 to rotate, and the deflection angle of the vertical beam 61 is equal to the deflection angle of the telescopic arm 3, so that the hanging basket 7 is in a vertical state, and the operator can work normally.

[0072] Referring to Figure 2 and Figure 4 , the end of the rotating arm 6 away from the vertical beam 61 is provided with a second rotary speed reducer 63, the second rotary speed reducer 63 is a rotating platform, the second rotary speed reducer 63 is provided with a base 64, and the hanging basket 7 is fixedly arranged on the base 64, and the second rotary speed reducer 63 can drive the base 64 to rotate. The arch grabbing assembly 4 is arranged on the base 64 and is used for grabbing the arch.

[0073] Referring to Figure 4 and Figure 5 , the arch grabbing assembly 4 comprises a receiving plate 41, a first clamping jaw, a second clamping jaw and a driving oil cylinder, the receiving plate 41 is arranged on the base 64, the first clamping jaw and the second clamping jaw are arranged on the two sides of the receiving plate 41 respectively, and the arch is clamped on the receiving plate 41. The first clamping jaw and the second clamping jaw are hinged to the receiving plate 41, the driving oil cylinder is arranged on the receiving plate 41, and the piston rod of the driving oil cylinder is hinged to the second clamping jaw, for driving the second clamping jaw to rotate, so that the second clamping jaw is deflected from the first clamping jaw. In other embodiments, in order to improve the flexibility of the arch grabbing assembly 4 in grabbing the arch and improve the range of the vertical arch angle adjustment, an angle adjustment mechanism can also be arranged between the receiving plate 41 and the base 64.

[0074] Wherein, referring to Figure 6 and Figure 7 , the basket 7 comprises a guardrail 71 and a movable door 72, the movable door 72 is hinged to the guardrail 71, and the guardrail 71 is provided with a limiting assembly 8 for limiting the position of the movable door 72. The limiting assembly 8 comprises a first lug plate 81, a second lug plate 82, a bolt 83, a mounting block 84 and a resilient member 85, the guardrail 71 comprises a plurality of upright columns 711, the upright columns 711 are provided in four, the first lug plate 81 is fixedly arranged on the upright columns 711, the second lug plate 82 is fixedly arranged on the movable door 72, the first lug plate 81 is provided with a through first opening, and the second lug plate 82 is provided with a through second opening.

[0075] Referring to Figure 6 and Figure 7 , the first lug plate 81 and the second lug plate 82 overlap and the first opening and the second opening are communicated when the movable door 72 is in the closed state; the mounting block 84 is fixedly arranged on the upright columns 711, the bolt 83 is slidingly arranged on the mounting block 84 along the length direction of the upright columns 711, and the bolt 83 can be inserted into the first opening and the second opening. The resilient member 85 is arranged on the bolt 83 for driving the bolt 83 to move downward, the resilient member 85 is arranged as a compression spring, the mounting block 84 is provided with a mounting hole, the bolt 83 is slidingly arranged in the mounting hole, and the top of the bolt 83 is fixedly provided with a handle 831 to prevent the bolt 83 from being separated from the mounting hole downward. The compression spring is sleeved on the bolt 83, the bolt 83 is fixedly provided with a limiting table 832, the limiting table 832 is used for abutting against the top of the second lug plate 82; one end of the compression spring abuts against the limiting table 832, and the other end abuts against the bottom wall of the mounting block 84.

[0076] Optionally, referring to Figure 8 and Figure 9 , the neutral arch arm mechanism 30 comprises an arm support seat 31, a telescopic arm support 32, a connecting arm 33, a mounting part 34 and a gripper assembly.

[0077] The arm support seat 31 is slidingly arranged on the guide rail 1 of the top layer platform, and the bottom of the arm support seat 31 is also provided with a sliding mechanism 5 for driving the arm support seat 31 to move along the guide rail 1.

[0078] Referring to Figure 8, the telescopic boom 32 is connected to the boom base 31, the telescopic boom 32 comprises a fixed arch arm 321, a first movable arch arm 322 and a second movable arch arm 323, the first movable arch arm 322 is arranged in the fixed arch arm 321 along the length direction of the fixed arch arm 321, and the second movable arch arm 323 is arranged in the first movable arch arm 322 in a sliding mode. The fixed arch arm 321 is provided with a first arch arm oil cylinder 3211, a piston rod of the arch arm telescopic oil cylinder is connected with the first movable arch arm 322, and the first movable arch arm 322 is driven to slide; the first movable arch arm 322 is provided with a second arch arm oil cylinder, a piston rod of the second arch arm oil cylinder is connected with the second movable arch arm 323, and the second movable arch arm 323 is driven to slide.

[0079] Referring to Figure 8 and Figure 9 , the movable end of the telescopic boom 32 is connected with a transition piece 35, a third rotary speed reducer 351 is connected between the telescopic boom 32 and the transition piece 35, one end of the third rotary speed reducer 351 is fixedly connected with the second movable arch arm 323, and the other end is fixedly connected with the transition piece 35. The transition piece 35 is connected with the connecting arm 33 through a fourth rotary speed reducer 352, the transition piece 35 is of an L-shaped structure, a top wall of the transition piece 35 is connected with the third rotary speed reducer 351, and a side wall, away from the telescopic boom 32, of the transition piece 35 is connected with the fourth rotary speed reducer 352. The third rotary speed reducer 351 and the fourth rotary speed reducer 352 are both driven by hydraulic pressure and can rotate automatically.

[0080] The rotation axes of the third rotary speed reducer 351 and the fourth rotary speed reducer 352 are perpendicular to each other, the transition piece 35 can rotate around the central arch arm along the central axis of the third rotary speed reducer 351, and the connecting arm 33 can rotate coaxially along the central axis of the fourth rotary speed reducer 352.

[0081] Through the third rotary speed reducer and the fourth rotary speed reducer 352, the telescopic boom 32 can be driven to rotate in two planes perpendicular to each other, and the gripper assembly can be driven to rotate in the two planes, so that the degree of freedom of the gripper assembly is improved and the flexibility of the telescopic boom is improved.

[0082] Referring to Figure 8 and Figure 9 , the connecting arm 33 is fixedly connected with the fourth rotary speed reducer 352, and the connecting arm 33 is parallel to the telescopic boom 32. An installation portion 34 is arranged at one end of the connecting arm 33, away from the telescopic boom 32.

[0083] Specifically, the mounting part 34 comprises a first hinged seat 341 and a second hinged seat 342, the first hinged seat 341 is hinged to one end of the connecting arm 33 away from the telescopic arm support 32, the second hinged seat 342 is arranged at one end of the first hinged seat 341 away from the connecting arm 33, the connecting arm 33 is provided with a deflection mechanism 40 for driving the first hinged seat 341 to deflect, the deflection mechanism 40 comprises a deflection oil cylinder 401, a first connecting rod 402, a second connecting rod 403 and a hinged shaft 404.

[0084] Referring to Figure 8 and Figure 9 , one end of the first connecting rod 402 and one end of the second connecting rod 403 are hinged through the hinged shaft 404, the other end of the first connecting rod 402 is hinged to the connecting arm 33, the other end of the second connecting rod 403 is hinged to the first hinged seat 341, the deflection oil cylinder 401 is hinged to the connecting arm 33, and the piston rod of the deflection oil cylinder 401 is hinged to the hinged shaft 404.

[0085] The second hinged seat 342 is hinged to the first hinged seat 341, and a deflection piece 3411 for driving the second hinged seat 342 to deflect is arranged between the first hinged seat 341 and the second hinged seat 342, the deflection piece 3411 is a deflection hydraulic cylinder hinged to the first hinged seat 341, and the piston rod of the deflection hydraulic cylinder is hinged to the second hinged seat. The deflection hydraulic cylinder is extended and retracted to adjust the included angle between the first hinged seat 341 and the second hinged seat 342.

[0086] The gripper assembly is arranged on the second hinged seat 342, and the gripper assembly is connected to the mounting part 34 for grabbing the arch, and the gripper assembly is the arch grabbing assembly 4.

[0087] In the embodiment of the application, the neutral arch arm mechanism 30 further comprises an arm support pitching assembly 50, the arm support pitching assembly 50 comprises a first oil cylinder 501 and a second oil cylinder 502, the first oil cylinder 501 is used to drive the arm support seat 31 to pitch, and the second oil cylinder 502 is used to drive the telescopic arm 3 to pitch on the arm support seat 31. In the prior art, only the second oil cylinder 502 is generally arranged, so that it is difficult to realize the pitching adjustment and transformation of the telescopic arm 3 from the rack 10 to the ground, and through the arrangement of the first oil cylinder 501, the pitching adjustment and transformation of the telescopic arm 3 from the rack 10 to the ground can be conveniently realized, and the first oil cylinder 501 also corresponds to increasing the pitching amplitude of the telescopic arm 3.

[0088] Referring to Figure 8In the embodiment of the application, in order to facilitate the arch grabbing mechanism 30 to grab the arch in front and back, a rotating mechanism 60 is further arranged on the sliding mechanism 5, one end of the first oil cylinder 501 is hinged to the rear end of the rotating mechanism 60, and the rotating mechanism 60 is a rotating speed reducer. The other end of the first oil cylinder 501 is hinged to the rear end of the arm support 31 through the first hinge point 311; the front end of the arm support 31, one end of the second oil cylinder 502, and the front end of the arm support 31 are collectively hinged to the second hinge point 312, and the other end of the second oil cylinder 502 is hinged to the telescopic arm 3 frame. Through the front and rear two hinge points of the first hinge point 311 and the second hinge point 312, the telescopic arm 3 frame can further reduce the rotation radius when the rotating mechanism 60 drives the telescopic arm 3 frame to rotate while keeping the overall length unchanged, and can adapt to smaller and more complex tunnel construction.

[0089] The implementation principle of the embodiment of the application is that: during construction, the vertical arch arm mechanism can be installed on the trolley, during arch construction, the arch is clamped and fixed by the arch grabbing assembly 4, the mounting seat 2 moves along the guide rail 1, after moving to the other end of the guide rail 1, the telescopic arm 3 is driven to extend, so that the arch is extended to the outside of the trolley 10 at the working face; and according to the needs, the telescopic arm 3 is driven to rotate by the first driving member 311, so as to adjust the height position of the arch grabbing assembly 4, and the telescopic arm 3 can be extended or shortened, so that the arch can be directly transported from one end of the trolley to the working face, the entire working face area can be adjusted, the problem of limited space during installation of the folding arch is solved, the transportation and vertical arch of the arch are saved time and cost, and the vertical arch efficiency is improved.

[0090] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so: equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A gantry arching trolley, characterized in that, The utility model relates to a kind of arch erecting machine, including: Gantry (10), the gantry (10) has multilayer platform, including top layer platform and middle layer platform located in the both sides of the gantry (10); Two side arch erecting arm mechanisms (20), two the side arch erecting arm mechanisms (20) are respectively arranged in the middle layer platform of the both sides of the gantry (10); And Middle arch erecting arm mechanism (30), the middle arch erecting arm mechanism (30) is slidably arranged in the top layer platform.

2. A gantry arched scaffold trolley as claimed in claim 1, wherein, The middle arch erecting arm mechanism (30) includes: Armrest seat (31), the armrest seat (31) is slidably arranged on the sliding mechanism (5) of the top layer platform; Telescopic armrest (32), connected to the armrest seat (31), the movable end of the telescopic armrest (32) is connected with transition piece (35); Connecting arm (33), connected to the transition piece (35); Mounting portion (34), arranged in the connecting arm (33); Gripper assembly, the gripper assembly is connected to the mounting portion (34) for grabbing arch.

3. A gantry-arch cart according to claim 2, wherein, The telescopic armrest (32) is connected with the third rotary speed reducer (351) between the transition piece (35), the transition piece (35) is connected with the fourth rotary speed reducer (352) between the connecting arm (33), the rotary shaft of the third rotary speed reducer (351) and the fourth rotary speed reducer (352) is perpendicular to each other.

4. A gantry-arch trolley as claimed in claim 3, wherein, The mounting portion (34) includes first hinged seat (341) and second hinged seat (342), the first hinged seat (341) is hinged to the one end of the connecting arm (33) away from the telescopic armrest (32), the second hinged seat (342) is arranged in the one end of the first hinged seat (341) away from the connecting arm (33), and the connecting arm (33) is provided with deflection mechanism (40) for driving the deflection of the first hinged seat (341), and the gripper assembly is arranged on the second hinged seat (342).

5. A gantry-arch trolley as claimed in claim 4, wherein, The deflection mechanism (40) includes deflection oil cylinder (401), first connecting rod (402), second connecting rod (403) and hinged shaft (404), one end of the first connecting rod (402) and one end of the second connecting rod (403) are hinged through the hinged shaft (404), the other end of the first connecting rod (402) is hinged with the connecting arm (33), the other end of the second connecting rod (403) is hinged with the first hinged seat (341), the deflection oil cylinder (401) is hinged on the connecting arm (33), and the piston rod of the deflection oil cylinder (401) is hinged with the hinged shaft (404).

6. A gantry-arch cart according to claim 4, wherein, The second hinged seat (342) is hinged with the first hinged seat (341), and deflection piece (3411) for driving the deflection of the second hinged seat (342) is arranged between the first hinged seat (341) and the second hinged seat (342).

7. A gantry-arch cart according to claim 2, wherein, The neutral arch arm mechanism (30) further comprises an arm frame pitching assembly (50), the arm frame pitching assembly (50) comprises a first oil cylinder (501) and a second oil cylinder (502), the first oil cylinder (501) is used to drive the arm frame seat (31) to pitch, and the second oil cylinder (502) is used to drive the telescopic arm (3) to pitch in the arm frame seat (31).

8. A gantry-arch trolley as claimed in claim 7, wherein, The sliding mechanism (5) is provided with a rotating mechanism (60), one end of the first oil cylinder (501) is hinged to the rear end of the rotating mechanism (60), the other end of the first oil cylinder (501) is hinged to the rear end of the arm frame seat (31); the front end of the arm frame seat (31) and one end of the second oil cylinder (502) are hinged to the front end of the arm frame seat (31), and the other end of the second oil cylinder (502) is hinged to the telescopic arm (3) frame.

9. The gantry-arch cart of claim 1, wherein, The side vertical arch arm mechanism (20) comprises: A mounting seat (2) is slidably arranged on the middle layer platform; A telescopic arm (3) is hinged to the mounting seat (2), and a vertical beam (61) is arranged at the front end of the telescopic arm (3); A rotating arm (6) is rotatably connected to the lower end of the vertical beam (61); A first driving member (311) is connected to the mounting seat (2) and the telescopic arm (3) and used to drive the telescopic arm (3) to deflect upward or downward.

10. A gantry-arch trolley as claimed in claim 9, wherein, The telescopic arm (3) comprises a fixed arm (31) and a movable arm (32), the fixed arm (31) is hinged to the mounting seat (2), the movable arm (32) is slidably arranged in the fixed arm (31) along the length direction of the fixed arm (31), and the fixed arm (31) is provided with a second driving member (312) used to drive the movable arm (32) to stretch or retract along the fixed arm (31).

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