CN115075849A - Arch assembling device and arch assembling method - Google Patents

Abstract

The invention provides an arch assembling device and an arch assembling method. The arch assembling device comprises: a vertical arm, a posture adjusting device and a plurality of arch clamping jaws, and the posture adjusting device comprises a transverse arm, a swing mechanism and at least a two arch support bodies; the arch clamping jaws are mounted on the transverse arm, and a plurality of the arch clamping jaws are distributed along the transverse arm; the transverse arm is rotatably connected to the vertical arm, The swing mechanism is connected with the cross arm, and is used to drive the cross arm to swing relative to the vertical arm; the arch support body is installed on the cross arm, and the arch support body can be connected with the vertical arm. The arches are in contact with each other, and a plurality of the arch supporting bodies are distributed along the transverse arm, which alleviates the problems of high labor intensity, low assembling efficiency and great potential safety hazards in arch assembling.

Description

Arch assembling device and arch assembling method

technical field

The invention relates to the technical field of tunnel construction, in particular to an arch assembling device and an arch assembling method.

Background technique

During the construction of TBM, steel arches are usually used to support the rear. The supporting process is mainly to assemble sections of steel arches into a ring shape, and place the assembled steel arches in the tunnel after TBM construction. hold up.

During the assembly process, each section of the steel arch is manually connected, and the bolts need to be manually tightened to tighten it, which requires workers to work on site for a long time. Once a landslide occurs, casualties are likely to occur, and there are great potential safety hazards; on the other hand, this manual support method has low support efficiency. The lack of timely support or unstable quality caused by artificial support is the main reason for the collapse of TBM.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an arch assembling device and an arch assembling method, so as to alleviate the problems of high labor intensity, low assembling efficiency and great safety hazard in arch assembling.

Above-mentioned purpose of the present invention can adopt following technical scheme to realize:

The invention provides an arch assembling device, comprising: a vertical arm, a posture adjusting device and a plurality of arch frame clamping jaws, the posture adjusting device comprising a transverse arm, a swing mechanism and at least two arch supporting bodies;

the arch frame jaws are mounted on the cross arm, and a plurality of the arch frame jaws are distributed along the cross arm;

the horizontal arm is rotatably connected to the vertical arm, and the swing mechanism is connected to the horizontal arm for driving the horizontal arm to swing relative to the vertical arm;

The arch support body is mounted on the cross arm, the arch support body can abut with the arch frame, and a plurality of the arch support bodies are distributed along the cross arm.

In a preferred embodiment, the arch support body includes a support cylinder, and the circumferential surface of the support cylinder is used for abutting with the inner annular surface of the arch.

In a preferred embodiment, the support cylinder is rotatably mounted on the cross arm to enable the support cylinder to rotate.

In a preferred embodiment, the arch support body includes baffles disposed at both ends of the support cylinder, and at least part of the baffles is inclined to the outside.

In a preferred embodiment, the arch gripper includes a connecting frame, a retractable mechanism and a plurality of arch clamps, and the retractable mechanism is connected to the arch clamp for driving the arch clamp relative to the arch clamp. The connecting frame moves so that each of the arch clips is relatively close to or away from each other.

In a preferred embodiment, the retracting mechanism includes a center seat and a retracting oil cylinder, the center seat is mounted on the connecting frame, and the retracting oil cylinder is connected to the center seat for driving the center seat to face each other Each of the arch clamps is distributed around the center seat, and the arch clamp is hinged to the center seat; the arch clamp is connected to the connection frame through a hinge link.

In a preferred embodiment, a pressing roller is connected to the central seat, and the pressing roller can cooperate with the arch frame clamp to clamp the arch frame therebetween.

In a preferred embodiment, the arch clamp includes a gripper plate and a gripper roller, the gripper plate has a corner portion, and the gripper roller can cooperate with the pressing roller to clamp the arch on the in between.

In a preferred embodiment, the vertical arm includes an outer arm, an inner arm and a telescopic mechanism, and the telescopic mechanism is connected to the inner arm for driving the inner arm to perform telescopic movement relative to the outer arm; The cross arm is rotatably connected to the inner arm.

The present invention provides an arch assembling method, which adopts the above-mentioned arch assembling device, and the arch assembling method comprises: the arch assembling device is pre-positioned on the arch by the attitude adjustment device; The arch frame is clamped; the vertical arm drives the arch frame to move.

The features and advantages of the present invention are:

The arch assembling device can position, grasp and lift the arch to realize the automatic assembling operation of the arch; and can forcibly adjust the posture of the arch, which is conducive to the docking of the arch gripper and the arch frame, so that the arch frame gripper It is easier to grab the arch, improving work efficiency and safety.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1-Fig. 5 is the working schematic diagram of the arch assembling device provided by the present invention;

6 is a schematic structural diagram of an arch assembling device provided by the present invention;

Fig. 7 is A-A sectional view of Fig. 6;

8 is a schematic structural diagram of an attitude adjustment device in the arch frame assembling device provided by the present invention;

9 is a schematic diagram of the connection between the attitude adjustment device and the vertical arm in the arch frame assembling device provided by the present invention;

10 is a schematic structural diagram of a transverse arm in the arch assembling device provided by the present invention;

11-12 are schematic structural diagrams of the arch frame clamping jaws in the arch frame assembling device provided by the present invention.

Description of reference numbers:

10. Vertical arm;

11. Outer arm; 12. Inner arm; 13. Telescopic mechanism; 131. Driving cylinder;

14. Connectors;

20. Attitude adjustment device; 201. Cross arm;

21. Swing mechanism; 211. Adjusting oil cylinder; 212. Oil cylinder mounting frame;

22, arch support body; 221, support cylinder; 222, baffle; 223, inclined part;

30. Arch gripper;

31. Connecting frame;

32, retractable mechanism; 321, center seat; 322, retractable cylinder; 323, hinged connecting rod;

33. Arch fixture; 331. Corner part;

34. Clamping roller; 35. Gripper roller;

40. Arch.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Option One

The present invention provides an arch assembling device, as shown in FIGS. 1-5 , the arch assembling device includes: a vertical arm 10, an attitude adjusting device 20 and a plurality of arch claws 30, and the attitude adjusting device 20 includes a horizontal The arm 201, the swing mechanism 21 and at least two arch support bodies 22; the arch clamping jaws 30 are mounted on the transverse arm 201, and a plurality of arch clamping jaws 30 are distributed along the transverse arm 201; the transverse arm 201 is rotatably connected to the vertical The arm 10, the swing mechanism 21 is connected with the cross arm 201 to drive the cross arm 201 to swing relative to the vertical arm 10; the arch support body 22 is installed on the cross arm 201, and the arch support body 22 can abut with the arch frame 40 , a plurality of arch support bodies 22 are distributed along the transverse arm 201 .

Driven by the vertical arm 10, the arch assembling device approaches the arch 40; the swing mechanism 21 drives the transverse arm 201 to swing relative to the vertical arm 10 to adjust the posture of the arch jaw 30; and, when approaching the arch 40 , the arch support body 22 is in contact with the arch frame 40 first, and multiple arch support bodies 22 are matched with the arch frame 40, which is convenient for the positioning of the posture of the arch frame 40, and forcibly adjusts the posture of the arch frame 40, which is beneficial for the arch frame to clamp. The jaws 30 are butted with the arch 40, so that the arch clamping jaws 30 can more easily grasp the arch 40, which improves work efficiency and is easier to control and implement. Through the arch assembling device, the grasping and assembling of the steel arch 40 can be realized, which can replace the manual operation, alleviate the problems of high labor intensity, low assembling efficiency and great potential safety hazard in arch assembling, and is beneficial to improve the safety of TBM construction. performance and efficiency.

The arch supporting body 22 forcibly constrains the posture of the arch 40 ; Further, the arch support body 22 includes a support cylinder 221, the circumferential surface of the support cylinder 221 is used to abut with the inner ring surface of the arch 40, and the friction resistance is small when the support cylinder 221 abuts against the arch 40. , and cooperates with the arch frame 40 through its circumferential surface, which facilitates the movement of the arch frame 40; the circumferential surfaces of the plurality of supporting cylinders 221 are in contact with the inner ring surface of the arch frame 40, so that the posture of the arch frame 40 can be better regulated so that the It is easily grasped by the arch jaws 30 . In some embodiments, the support cylinder 221 is rotatably mounted on the cross arm 201 to enable the support cylinder 221 to rotate, so as to further reduce the frictional resistance when the support cylinder 221 abuts against the arch 40 and improve the arch clamp The claw 30 grasps the smoothness of the arch 40 .

The arch supporting body 22 includes baffles 222 arranged at both ends of the supporting cylinder 221. At least part of the baffles 222 is inclined to the outside. As shown in FIG. 4 and FIG. 5, the baffles 222 include inclined parts 223, 223 , to guide the arch 40 , so that the arch 40 can enter between the baffles 222 at both ends to abut with the supporting cylinder 221 , and at the same time limit the arch 40 between the baffles 222 at both ends.

In some embodiments, the arch clamp jaw 30 includes a connecting frame 31, a retractable mechanism 32 and a plurality of arch clamps 33. The retractable mechanism 32 is connected with the arch clamp 33 for driving the arch clamp 33 relative to the connecting frame 31 moves so that each arch clamp 33 is relatively close to or away from each other. Under the drive of the retractable mechanism 32, each arch clamp 33 can grab the arch 40 when it is relatively close, and can release the arch when each arch clamp 33 is relatively far away. 40.

As shown in FIGS. 11 and 12 , the retracting mechanism 32 includes a center seat 321 and a retracting oil cylinder 322 , the center seat 321 is mounted on the connecting frame 31 , and the retracting oil cylinder 322 is connected with the center seat 321 for driving the center seat 321 relative to the connection The frame 31 moves; each arch clamp 33 is distributed around the center seat 321, and the arch clamp 33 is hinged to the center seat 321; the arch clamp 33 is connected to the connecting frame 31 through the hinge link 323, and the center seat 321 is in the retractable cylinder 322 When the center seat 321 moves downward under the drive of the retractable cylinder 322, each arch clamp 33 moves relative to each other to grab and clamp the arch 40; away to release the arch 40. The number of the arch clamps 33 in one arch clamp 30 may be 2, 3 or more; preferably, the number of the arch clamps 33 is 2 and they are arranged oppositely.

In some embodiments, the center seat 321 is connected with a pressing roller 34 , and the pressing roller 34 can cooperate with the arch jig 33 to clamp the arch 40 therebetween. When the arch jig 33 grabs the arch 40 , the pressing roller 34 compresses the arch 40 to ensure that the arch 30 clamps the arch 40 more firmly. Further, the arch fixture 33 includes a jaw plate and a jaw roller 35, the jaw plate has a corner portion 331, and the jaw roller 35 can cooperate with the pressing roller 34 to clamp the arch 40 therebetween, such as As shown in FIGS. 3-5 , the gripper roller 35 cooperates with the pressing roller 34 to clamp the arch 40 . As shown in FIG. 11 , the axis of the gripper roller 35 is generally consistent with the extension direction of the corner portion 331 , and both the circumferential surface of the gripper roller 35 and the corner portion 331 are in contact with a wall surface of the arch 40 , which is convenient for the arch fixture on the one hand. 33 to grasp the arch 40 smoothly, on the other hand, it is beneficial to clamp the arch 40 more firmly and avoid loosening. Preferably, the axis of the gripper roller 35 is parallel to the extension direction of the corner portion 331 .

The top end of the vertical arm 10 is provided with a connecting piece 14, and the connecting piece 14 is used to connect the arch assembling device with the steel arch assembling machine. In some embodiments, the vertical arm 10 includes an outer arm 11, an inner arm 12 and a telescopic mechanism 13. The telescopic mechanism 13 is connected to the inner arm 12 for driving the inner arm 12 to perform telescopic movement relative to the outer arm 11; the transverse arm 201 may It is rotatably connected to the inner arm 12 . The telescopic mechanism 13 can be a driving cylinder 131 . As shown in FIG. 6 and FIG. 7 , the inner arm 12 is installed inside the outer arm 11 and is connected through the driving cylinder 131 . Under the driving of the driving cylinder 131 , the inner arm 12 can be realized in the outer arm 11 It slides freely, thereby driving the transverse arm 201, the clamping jaws 30 of the arch and the supporting body 22 of the arch to move together.

The arch support body 22 is installed on the cross arm 201 . As shown in FIG. 10 , the cross arm 201 can be in an arc shape, so that the arch support bodies 22 on the cross arm 201 can be matched with the arch frame 40 . Further, the swing mechanism 21 includes an adjusting oil cylinder 211 and an oil cylinder mounting frame 212. As shown in FIGS. 6 and 8-10, one end of the adjusting oil cylinder 211 is connected to the cross arm 201, and the other end is connected to the oil cylinder mounting frame 212; 212 is fixed to the inner arm 12, the transverse arm 201 is hinged with the inner arm 12, and driven by the adjusting oil cylinder 211, the transverse arm 201 can swing around the hinge point.

The arch frame assembling device can replace manual operation, and can locate, grasp and lift the arch frame 40 to realize the automatic assembly operation of the arch frame 40; and can position the arch frame 40, the control is relatively simple, and it is easy to realize. The installation is relatively stable, which improves the safety and efficiency of steel arch assembly, and helps to support timely support in a safe, efficient and high-quality manner.

Option II

The present invention provides an arch assembling method, which adopts the above-mentioned arch assembling device. The arch assembling method includes: the arch assembling device is pre-positioned on the arch 40 by the posture adjusting device 20; Clamping; the vertical arm 10 drives the arch 40 to move. The arch frame assembling method can position, grasp and lift the arch frame 40 to realize the automatic assembly operation of the arch frame 40; and can forcibly adjust the posture of the arch frame 40, which is conducive to the docking of the arch frame jaws 30 and the arch frame 40, It makes it easier for the arch gripper 30 to grasp the arch 40, which improves work efficiency and is easier to control and implement.

In an embodiment of the present invention, the steps of the arch assembling method include: (1) initially, the vertical arm 10 is retracted; (2) the arch jaw 30 is opened; (3) the vertical arm 10 is extended, close to the steel For the arch 40, the posture of the arch assembling device is adjusted by the posture adjusting device 20; (4) when approaching the steel arch 40, first the arch support 22 is in contact with the steel arch 40, and the posture of the arch 40 is forcibly adjusted; (5) Continue to extend the vertical arm 10 until the pressing roller 34 presses the steel arch 40; (6) The arch clamping jaws 30 are tightly closed and clamp the steel arch 40.

The above are only a few embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention according to the contents disclosed in the application documents without departing from the spirit and scope of the present invention.

Claims (10)

1. An arch assembling device, characterized in that it comprises: a vertical arm, a posture adjusting device and a plurality of arch frame clamping jaws, and the posture adjusting device comprises a transverse arm, a swing mechanism and at least two arch supporting bodies; the arch frame jaws are mounted on the cross arm, and a plurality of the arch frame jaws are distributed along the cross arm; the horizontal arm is rotatably connected to the vertical arm, and the swing mechanism is connected to the horizontal arm for driving the horizontal arm to swing relative to the vertical arm; The arch support body is mounted on the cross arm, the arch support body can abut with the arch frame, and a plurality of the arch support bodies are distributed along the cross arm. 2 . The arch assembling device according to claim 1 , wherein the arch supporting body comprises a supporting cylinder, and the circumferential surface of the supporting cylinder is used for abutting with the inner annular surface of the arch. 3 . 3 . The arch frame assembling device according to claim 2 , wherein the supporting cylinder is rotatably mounted on the transverse arm so that the supporting cylinder can rotate on its own. 4 . 4 . The arch frame assembling device according to claim 2 , wherein the arch frame supporting body comprises baffle plates disposed at both ends of the supporting cylinder, and at least part of the baffle plates is inclined to the outside. 5 . 5. The arch frame assembling device according to claim 1, wherein the arch frame jaws comprise a connecting frame, a retractable mechanism and a plurality of arch frame clamps, the retractable mechanism is connected with the arch frame clamps, and the for driving the arch frame clamps to move relative to the connecting frame so that each of the arch frame clamps is relatively close to or away from each other. 6 . The arch frame assembling device according to claim 5 , wherein the retracting mechanism comprises a center seat and a retracting oil cylinder, the center seat is mounted on the connecting frame, and the retracting oil cylinder is connected to the The center seat is connected for driving the center seat to move relative to the connecting frame; Each of the arch frame clamps is distributed around the central seat, and the arch frame clamps are hinged to the central seat; the arch frame clamps are connected with the connecting frame through a hinge link. 7 . The arch frame assembling device according to claim 6 , wherein the center seat is connected with a pressing roller, and the pressing roller can cooperate with the arch frame clamp to clamp the arch frame between the two. 8 . between. 8 . The arch assembling device according to claim 7 , wherein the arch jig comprises a gripper plate and a gripper roller, the gripper plate has a corner portion, and the gripper roller can be connected with the gripper. 9 . The pinch rollers cooperate to clamp the arch between the two. 9 . The arch frame assembling device according to claim 1 , wherein the vertical arm comprises an outer arm, an inner arm and a telescopic mechanism, and the telescopic mechanism is connected to the inner arm for driving the inner arm. 10 . Telescopic movement is performed relative to the outer arm; the transverse arm is rotatably connected to the inner arm. 10. An arch assembling method, characterized in that, the arch assembling device according to any one of claims 1-9 is adopted, and the arch assembling method comprises: the arch assembling device is adjusted by the attitude The device is intended to be located on the arch; the arch clamping jaws clamp the arch; the vertical arm drives the arch to move.

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