CN213326452U

CN213326452U - Cantilever crane system and have bow member car of this cantilever crane system

Info

Publication number: CN213326452U
Application number: CN202022199653.0U
Authority: CN
Inventors: 龚俊; 宋祖源; 陈雄; 周鹤; 毛波
Original assignee: Hunan Wuxin Tunnel Intelligent Equipment Co Ltd
Current assignee: Hunan Wuxin Tunnel Intelligent Equipment Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-01
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses an cantilever crane system and have bow member car of this cantilever crane system, the cantilever crane system includes mount pad and flexible arm, and flexible arm passes through the transition arm and installs on the mount pad, and the both ends of transition arm are first end and second end respectively, and first end is articulated with the mount pad, and flexible arm is articulated with the second end, and the cantilever crane system still includes and is used for driving flexible arm for transition arm pivoted first drive assembly and is used for driving transition arm for mount pad pivoted second drive assembly. The arch frame vehicle comprises a chassis, and more than one arm support system is arranged on the chassis. The utility model has the advantages of simple and compact structure, good safety, high application flexibility, wide application range and the like.

Description

Cantilever crane system and have bow member car of this cantilever crane system

Technical Field

The utility model relates to a technical field is equipped in the tunnel construction, concretely relates to cantilever crane system and have this cantilever crane system's bow member car.

Background

In the process of erecting the arch, the tunnel arch-shaped frame vehicle needs the actions of telescoping, pitching, swinging, sliding and the like of two arms or three arms of the arm frame to be matched and finished. The boom support system of the traditional arch truss installation vehicle is characterized in that a fixed end of a telescopic arm is directly installed on a swinging and sliding control platform, when the telescopic arm is converted from an unfolding state to a folding state paved on a chassis of the arch truss vehicle, the fixed end of the telescopic arm is kept at the position of the swinging and sliding control platform, the telescopic end of the telescopic arm extends towards the rear end of the chassis of the arch truss vehicle and is limited by the installation position of the swinging and sliding control platform (positioned behind a cab of the arch truss vehicle), the telescopic arm and an operation unit (comprising a working platform, an arch truss grabbing mechanism, a driving device and the like) on the telescopic arm are required to be positioned in the length range of the chassis of the arch truss vehicle in the folding state, only shorter telescopic arms can be adopted, if the telescopic arm is too long, the telescopic arm and the operation unit on the telescopic arm can extend out of the chassis of the arch truss vehicle backwards, so that the overall size of the arch truss vehicle is overlong and limited by the size of a tunnel section, the damage of structures such as a working platform of the arch frame vehicle is caused, the maintenance cost is increased, the normal operation of the arch frame vehicle is influenced, and even safety accidents can be caused when the damage is serious. And when the telescopic arm is in an expansion state, because the fixed end of the telescopic arm is kept at the position of the swing and slide control platform and is limited by the installation position of the swing and slide control platform, the effective extension angle, the pitching height and the lifting height of the telescopic arm are all limited by the self-extensible length of the telescopic arm, and the application flexibility and the application range of the telescopic arm are limited.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide a simple structure compactness, security good, application flexibility is high, application scope is wide cantilever crane system and have this cantilever crane system's bow member car.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the boom system comprises a mounting seat and a telescopic arm, wherein the telescopic arm is mounted on the mounting seat through a transition arm, a first end and a second end are respectively arranged at two ends of the transition arm, the first end is hinged to the mounting seat, the telescopic arm is hinged to the second end, and the boom system further comprises a first driving assembly used for driving the telescopic arm to rotate relative to the transition arm and a second driving assembly used for driving the transition arm to rotate relative to the mounting seat.

In the arm support system, preferably, the mounting base is mounted on a rotating device and can be driven by the rotating device to rotate.

In the above boom system, preferably, the slewing device includes a base and a turntable rotatably mounted on the base, a slewing drive assembly for driving the turntable to rotate is disposed between the base and the turntable, and the mounting base is mounted on the turntable; the rotary driving assembly comprises a rotary telescopic driving piece and a rotary driving arm which is connected with the rotary table and extends outwards from the rotary axis of the rotary table in the radial direction, the rotary telescopic driving piece is hinged on the base, and a telescopic driving end of the rotary telescopic driving piece is hinged with the rotary driving arm.

In the arm support system, preferably, the rotating device is mounted on a translation device and can be driven by the translation device to move in a translation manner.

In the above boom system, preferably, the first driving assembly includes a first telescopic driving member, and two ends of the first telescopic driving member are respectively hinged to the transition arm and the telescopic arm; the second driving assembly comprises a second telescopic driving piece, and two ends of the second telescopic driving piece are hinged to the transition arm and the mounting seat respectively.

In the arm support system, preferably, the second end of the transition arm has a bending section which extends upwards in a bending manner when the transition arm is in a flat state.

In the above arm support system, preferably, the first telescopic driving member is hinged to the bending section, and the telescopic driving end of the first telescopic driving member is hinged to the telescopic arm.

The arm support system is preferred, the second driving assembly comprises two second telescopic driving pieces hinged to the mounting seat, the two second telescopic driving pieces are respectively arranged on two sides of the transition arm, the transition arm is provided with a connecting rod in a penetrating mode, two ends, extending out of the transition arm, of the connecting rod are respectively provided with two hinged plates arranged at intervals, telescopic driving ends of the two second telescopic driving pieces are respectively inserted between the two hinged plates at two ends of the connecting rod in a corresponding mode, and the telescopic driving ends of the second telescopic driving pieces are hinged to the two hinged plates on two sides through pin shafts.

In the above boom system, preferably, the hinge axis of the second telescopic driving member and the mounting seat, the hinge axis of the second telescopic driving member and the transition arm, and the hinge axis of the transition arm and the mounting seat are always located below any one of the hinge axis of the first telescopic driving member and the transition arm, the hinge axis of the first telescopic driving member and the telescopic arm, and the hinge axis of the telescopic arm and the transition arm.

As a general technical concept, the utility model also provides an arch center car, including the chassis, install more than one foretell cantilever crane system on the chassis.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses an among the cantilever crane system, flexible arm passes through the transition arm and installs on the mount pad, and the transition arm can make one part of flexible arm be located one side of mount pad when cantilever crane system packs up, and another part is located the opposite side of mount pad, under the restricted condition of mount pad mounted position, adopts longer flexible arm also can withdraw it to the frame size range of bow member car, makes the bow member car smoothly back a car in the tunnel, reduces the risk that the collision damaged, improves the security. Meanwhile, when the arm support system is unfolded, the transition arm can increase the effective extension length, pitching and lifting range of the telescopic arm, and the application flexibility and application range are greatly improved. In addition, the transition arm is arranged, so that the height of the whole vehicle can be reduced to the minimum when the telescopic arm is retracted, and the height limit requirement of an engineering vehicle is met.

The utility model discloses an arch frame installation car is owing to adopted the utility model discloses a cantilever crane system, it also has the advantage that this cantilever crane system has.

Drawings

Fig. 1 is a schematic front view of a boom system in a retracted state.

Fig. 2 is a schematic front view of the boom system in the unfolded state.

Fig. 3 is a schematic structural diagram of the connection between the second driving assembly and the transition arm.

Fig. 4 is a schematic top sectional view of the swing device.

Fig. 5 is a schematic perspective view of the arch vehicle.

Illustration of the drawings:

1. a mounting seat; 2. a telescopic arm; 3. a transition arm; 31. a curved section; 4. a turning device; 41. a base; 42. a turntable; 43. a rotary telescopic driving member; 44. a rotary drive arm; 5. a translation device; 6. a first telescoping drive member; 7. a second telescoping drive member; 8. a connecting rod; 9. a hinge plate; 100. a chassis.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

As shown in fig. 1 and 2, the boom system of this embodiment includes a mounting base 1 and a telescopic boom 2, the telescopic boom 2 is installed on the mounting base 1 through a transition boom 3, two ends of the transition boom 3 are a first end and a second end respectively, the first end is hinged to the mounting base 1, the telescopic boom 2 is hinged to the second end, and the boom system further includes a first driving component for driving the telescopic boom 2 to rotate relative to the transition boom 3 and a second driving component for driving the transition boom 3 to rotate relative to the mounting base 1. When the first driving component drives the telescopic arm 2 to rotate relative to the transition arm 3, the telescopic arm 2 can be folded and unfolded relative to the transition arm 3, and when the second driving component drives the transition arm 3 to rotate relative to the mounting seat 1, the transition arm 3 can be folded and unfolded relative to the mounting seat 1, so that the whole arm support system can be folded and unfolded. In the boom system, the telescopic arm 2 is installed on the installation base 1 through the transition arm 3, when the boom system is folded, the transition arm 3 can enable one part of the telescopic arm 2 to be located on one side of the installation base 1, the other part of the telescopic arm is located on the other side of the installation base 1, and under the condition that the installation position of the installation base 1 is limited, the longer telescopic arm 2 can be used for withdrawing the telescopic arm into the size range of a frame of an arch frame vehicle, so that the arch frame vehicle can smoothly back in a tunnel, the risk of collision damage is reduced, and the safety is improved. Meanwhile, when the boom system is unfolded, the transition arm 3 can increase the effective extension length, pitching and lifting range of the telescopic arm 2, and the application flexibility and application range are greatly improved. In addition, the transition arm 3 is arranged, so that the height of the whole vehicle can be reduced to the minimum when the telescopic arm 2 is retracted, and the height limit requirement of an engineering vehicle is met.

In this embodiment, mount pad 1 is installed on a slewer 4 and can be by this slewer 4 drive rotary motion, through slewer 4 drive mount pad 1 rotary motion, the rotation angle of flexible arm 2 on the adjustable mount pad 1, the movable scope that reaches of flexible arm 2 of further increase need not frequently to remove whole car position, can carry out snatching, the installation of bow member fast through the gyration, improves the efficiency of construction.

In the present embodiment, as shown in fig. 1, 2 and 4, the rotating device 4 includes a base 41 and a rotating table 42 rotatably mounted on the base 41, a rotation driving assembly for driving the rotating table 42 to rotate is disposed between the base 41 and the rotating table 42, and the mounting base 1 is mounted on the rotating table 42. The rotary driving assembly drives the rotary table 42 to rotate, and then the rotary table 42 can drive the telescopic arm 2 to rotate so as to realize rotation angle adjustment. The rotating device 4 has simple and compact structure and low cost.

In this embodiment, the rotation driving assembly includes a rotation telescopic driving member 43 and a rotation driving arm 44 connected to the rotary table 42 and extending radially outward from the rotation axis of the rotary table 42, the rotation telescopic driving member 43 is hinged to the base 41, and the telescopic driving end of the rotation telescopic driving member 43 is hinged to the rotation driving arm 44. The telescopic driving end of the rotary telescopic driving member 43 performs telescopic motion to drive the rotary driving arm 44 to swing back and forth, and further drive the rotary table 42 to rotate back and forth. The rotary driving assembly is simple and compact in structure, low in cost, easy to control, good in working stability and simple and convenient to assemble and maintain.

In this embodiment, as shown in fig. 5, the swiveling device 4 is mounted on a translation device 5 and can be driven by the translation device 5 to perform translation movement, and the translation device 5 drives the mounting base 1 to perform translation movement, so that the positions of the mounting base 1 and the upper telescopic arm 2 can be adjusted, and the range to which the telescopic arm 2 can move can be further increased. The translation device 5 can adopt the combination of the existing track, the sliding part in sliding fit with the track and the sliding driving mechanism for driving the sliding part to slide, and the sliding driving mechanism can adopt the existing driving mechanisms such as a telescopic driving part, a gear and rack combined driving mechanism and the like. In other embodiments, when the working condition requirement is simple, the rotating device 4 may be directly connected to the chassis 100, and the arrangement of the translation device 5 is omitted, so as to save the cost; and may even be directly connected to the chassis 100 via the mounting 1.

In this embodiment, the second end of the transition arm 3 has a bent section 31 extending to be bent upward when the transition arm 3 is in a laid-flat state. Set up crooked section 31 and make when transition arm 3 withdraws to the tiling, flexible arm 2 can be folded in transition arm 3 top with the tiling, and size and height when making whole cantilever crane system receive up are littleer, and occupation space is littleer, and it is higher to lift when launching, can adapt to operating mode scope wider. Of course, in other embodiments, the transition arm 3 may be a straight arm or an arm of other shape.

In this embodiment, the first driving assembly includes a first telescopic driving member 6, the first telescopic driving member 6 is hinged to the bending section 31, and a telescopic driving end of the first telescopic driving member 6 is hinged to the telescopic arm 2. First flexible driving piece 6 is articulated with crooked section 31, and the flexible arm 2 of drive that can be better is folding and is expanded the motion, and the compact structure nature after flexible arm 2 is folding is better, and this sets up perfect motion dead angle of having evaded, has promoted holistic flexibility of lifting. In other embodiments, the first telescopic drive 6 can also be articulated to the transition arm 3 in other positions than the curved section 31.

In this embodiment, as shown in fig. 1, fig. 2, and fig. 3, the second driving assembly includes two second telescopic driving members 7 hinged to the mounting base 1, two second telescopic driving members 7 are respectively disposed on two sides of the transition arm 3, a connecting rod 8 is provided on the transition arm 3 in a penetrating manner, two hinged plates 9 arranged at intervals are disposed at two ends of the connecting rod 8 extending out of the transition arm 3, telescopic driving ends of the two second telescopic driving members 7 are respectively inserted between two hinged plates 9 at two ends of the connecting rod 8 in a corresponding manner, and a telescopic driving end of each second telescopic driving member 7 is hinged to the two hinged plates 9 at two sides through a pin shaft. Through connecting rod 8 and articulated slab 9 and the flexible driving piece 7 transitional coupling of second, can promote joint strength to the lateral shifting distance of the flexible driving piece 7 of restriction second improves security and job stabilization reliability, and its simple structure, appearance are pleasing to the eye.

In this embodiment, as shown in fig. 1 and fig. 2, the hinge axis of the second telescopic driver 7 and the mounting seat 1, the hinge axis of the second telescopic driver 7 and the transition arm 3, and the hinge axis of the transition arm 3 and the mounting seat 1 are always located below any one of the hinge axis of the first telescopic driver 6 and the transition arm 3, the hinge axis of the telescopic driving end of the first telescopic driver 6 and the telescopic arm 2, and the hinge axis of the telescopic arm 2 and the transition arm 3. The arrangement can realize small size when the arm support system is folded, large operable space when the arm support system is unfolded and extended and flexible operation.

The arm support system of the embodiment can realize the actions of stretching, retracting, unfolding, rotating and translating, can adapt to different working conditions, and can meet the requirements of full-section excavation, short-step arch erection, two-step arch erection and three-step arch erection.

The present embodiment further provides an arch vehicle, as shown in fig. 5, the arch vehicle includes a chassis 100, and the boom system of the present embodiment is mounted on the chassis 100. When the boom system is specifically installed, the installation seat 1 is installed on a frame behind a cab of the chassis 100, and when the boom system is folded, the transition arm 3 is in a tiled state, and the second end faces the cab, so that one part of the telescopic arm 2 is positioned on one side of the installation seat 1 close to the cab, and the longer telescopic arm 2 can be retracted within the length size range of the frame of the arch vehicle. In other embodiments, the archway vehicle may further mount a plurality of boom systems of the present embodiment.

The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention shall be considered as the protection scope of the present invention.

Claims

1. The utility model provides a cantilever crane system, includes mount pad (1) and telescopic boom (2), its characterized in that: the telescopic arm system is characterized in that the telescopic arm (2) is installed on the installation seat (1) through the transition arm (3), the two ends of the transition arm (3) are respectively a first end and a second end, the first end is hinged to the installation seat (1), the telescopic arm (2) is hinged to the second end, and the arm frame system further comprises a first driving assembly used for driving the telescopic arm (2) to rotate relative to the transition arm (3) and a second driving assembly used for driving the transition arm (3) to rotate relative to the installation seat (1).

2. The boom system of claim 1, wherein: the mounting base (1) is mounted on a rotating device (4) and can be driven to rotate by the rotating device (4).

3. The boom system of claim 2, wherein: the rotating device (4) comprises a base (41) and a rotating table (42) rotatably mounted on the base (41), a rotating driving assembly for driving the rotating table (42) to rotate is arranged between the base (41) and the rotating table (42), and the mounting base (1) is mounted on the rotating table (42); the rotary driving assembly comprises a rotary telescopic driving piece (43) and a rotary driving arm (44) which is connected with the rotary table (42) and radially extends outwards from the rotating axis of the rotary table (42), the rotary telescopic driving piece (43) is hinged to the base (41), and the telescopic driving end of the rotary telescopic driving piece (43) is hinged to the rotary driving arm (44).

4. The boom system of claim 3, wherein: the rotating device (4) is arranged on a translation device (5) and can be driven by the translation device (5) to move in a translation manner.

5. The boom system of any of claims 1-4, wherein: the first driving assembly comprises a first telescopic driving piece (6), and two ends of the first telescopic driving piece (6) are respectively hinged with the transition arm (3) and the telescopic arm (2); the second driving assembly comprises a second telescopic driving piece (7), and two ends of the second telescopic driving piece (7) are hinged to the transition arm (3) and the mounting seat (1) respectively.

6. The boom system of claim 5, wherein: the second end of the transition arm (3) is provided with a bending section (31) which extends upwards in a bending way when the transition arm (3) is in a flat state.

7. The boom system of claim 6, wherein: the first telescopic driving piece (6) is hinged to the bending section (31), and the telescopic driving end of the first telescopic driving piece (6) is hinged to the telescopic arm (2).

8. The boom system of claim 5, wherein: the second drive assembly include two with the flexible driving piece of mount pad (1) articulated second (7), the both sides of transition arm (3) are located respectively in two flexible driving piece of second (7), it is provided with connecting rod (8) to run through on transition arm (3), the both ends that transition arm (3) are stretched out in connecting rod (8) all are equipped with two articulated slab (9) of interval arrangement, and the flexible drive end of two flexible driving piece of second (7) corresponds respectively and inserts between two articulated slab (9) at connecting rod (8) both ends, and the flexible drive end of each flexible driving piece of second (7) is articulated through two articulated slab (9) of round pin axle and both sides.

9. The boom system of claim 5, wherein: the flexible driving piece of second (7) with the articulated axis of mount pad (1) the flexible driving piece of second (7) with the articulated axis of transition arm (3) and mount pad (1) is located all the time first flexible driving piece (6) with the articulated axis of transition arm (3) first flexible driving piece (6) with the articulated axis of flexible arm (2) with the below of arbitrary one in the articulated axis of flexible arm (2) and transition arm (3).

10. An archway vehicle comprising a chassis (100), characterized in that: the chassis (100) is provided with one or more boom systems of any of claims 1 to 9.