CN214466629U

CN214466629U - Concrete pipe supporting device, arm support structure and engineering machinery

Info

Publication number: CN214466629U
Application number: CN202120442256.3U
Authority: CN
Inventors: 曾鑫; 万民顺; 吴德志; 刘志斌; 易滔
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-10-22
Anticipated expiration: 2031-03-01

Abstract

The utility model relates to an engineering machine tool field discloses a concrete pipe strutting arrangement, cantilever crane structure and engineering machine tool, wherein, concrete pipe strutting arrangement is including setting element (10) that is used for fixing a position concrete pipe (50), connecting piece (20) that are used for connecting cantilever crane box (60), buffering coupling mechanism (30) that are used for connecting setting element and connecting piece, buffering coupling mechanism is including articulated first mount pad and second mount pad and the buffering portion of flexonics between first mount pad and second mount pad each other, first mount pad and second mount pad are connected respectively in setting element and connecting piece. Through making first mount pad and second mount pad articulated each other, can be when the concrete pipe receives the impact relative position between adaptability adjustment setting element and the support piece to the buffering portion can provide the buffering to the impact of concrete pipe transmission, has effectively reduced the impact force between the rigid member of concrete pipe strutting arrangement and the crackle, the fracture that lead to from this, has increased life.

Description

Concrete pipe supporting device, arm support structure and engineering machinery

Technical Field

The utility model relates to an engineering machine tool field specifically relates to concrete pipe strutting arrangement, cantilever crane structure and engineering machine tool.

Background

Many construction machines (e.g., concrete pump trucks) employ a boom structure to support a delivery pipe and perform the task of delivering concrete. The cantilever crane box body is connected with the concrete pipe through the concrete pipe supporting device, specifically, the concrete pipe supporting device comprises a supporting pipe welded on the cantilever crane box body of the cantilever crane structure, a mounting seat welded at the tail end of the supporting pipe and a U-shaped limiter installed on the mounting seat, and the concrete pipe is positioned in a space between the mounting seat and the U-shaped limiter. Because rigid connection is adopted among the supporting rod, the mounting seat and the U-shaped limiting stopper, when concrete is pumped, the concrete pipe is impacted due to reversing impact of a pumping system and pumping of the concrete, non-directional low-frequency vibration is generated among the supporting rod, the mounting seat and the U-shaped limiting stopper, and parts are cracked under the action of alternating stress along with the extension of service time, and even the parts are broken and fail to endanger personnel and production safety. Therefore, the concrete pipe supporting device in the prior art is short in service life and has potential safety hazards.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem that the concrete pipe strutting arrangement that prior art exists provides a concrete pipe strutting arrangement because of receiving the low frequency vibration problem that became invalid easily for a long time, and this concrete pipe strutting arrangement has longer life.

In order to achieve the above object, an aspect of the present invention provides a concrete pipe supporting device, wherein the concrete pipe supporting device includes a positioning element for positioning a concrete pipe, a connecting element for connecting an arm support box, and a buffer connecting mechanism for connecting the positioning element and the connecting element, the buffer connecting mechanism includes a first mounting seat and a second mounting seat which are hinged to each other and a buffer portion which is flexibly connected between the first mounting seat and the second mounting seat, the first mounting seat and the second mounting seat are respectively connected to the positioning element and the connecting element.

Optionally, the buffering portion includes a spring, and two ends of the spring are respectively connected to the first mounting seat and the second mounting seat.

Optionally, the buffer portion includes two springs respectively disposed at two sides of a hinge point of the first mount and the second mount.

Optionally, the positioning element includes a U-shaped stopper, and a free end of the U-shaped stopper is mounted on the first mounting seat to define, with the first mounting seat, a space for accommodating the concrete pipe.

Optionally, a cambered surface matched with the concrete pipe is arranged on the surface of the first mounting seat facing the space.

Optionally, the connecting member is a support tube, and the second mounting seat is welded to the support tube.

Optionally, a reinforcing rib is arranged between the second mounting seat and the supporting tube.

The application further provides an arm support structure, wherein, the arm support structure includes concrete pipe, arm support box and the concrete pipe strutting arrangement of this application, the connecting piece connect in the arm support box.

Optionally, the connecting piece is welded to the arm support box, and a reinforcing ring is arranged around the welding position of the connecting piece and the arm support box.

The application also provides an engineering machine, wherein the engineering machine comprises the arm support structure.

Through above-mentioned technical scheme, through making first mount pad and second mount pad articulated each other, can be when the concrete pipe receives the impact relative position between adaptability adjustment setting element and the support piece to the buffer can provide the buffering to the impact of concrete pipe transmission, effectively reduced the impact force between the rigid member of concrete pipe strutting arrangement and the crackle, the fracture that lead to from this, increased life.

Drawings

Fig. 1 is a perspective view illustrating a concrete cylinder supporting apparatus according to an embodiment of the present application;

fig. 2 is a perspective view illustrating a boom structure according to an embodiment of the present application.

Description of the reference numerals

10. A positioning member; 20. a connecting member; 30. a buffer connection mechanism; 31. a first mounting seat; 311. a spring seat; 32. a second mounting seat; 33. a buffer section; 34. a pin shaft; 40. reinforcing ribs; 50. a concrete pipe; 60. a cantilever crane box body; 70. a reinforcement ring; p, a fastener.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right as illustrated with reference to the accompanying drawings; "inner and outer" refer to the inner and outer relative to the profile of the components themselves. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

According to an aspect of the present application, a concrete pipe supporting device is provided, wherein the concrete pipe supporting device comprises a positioning member 10 for positioning a concrete pipe 50, a connecting member 20 for connecting an arm support box 60, and a buffer connecting mechanism 30 for connecting the positioning member 10 and the connecting member 20, the buffer connecting mechanism 30 comprises a first mounting seat 31 and a second mounting seat 32 which are hinged to each other and a buffer part 33 which is flexibly connected between the first mounting seat 31 and the second mounting seat 32, and the first mounting seat 31 and the second mounting seat 32 are respectively connected to the positioning member 10 and the connecting member 20.

By using the concrete pipe supporting device of the application, the relative position between the positioning piece 10 and the supporting piece 20 can be adjusted adaptively when the concrete pipe 50 is impacted by hinging the first mounting seat 31 and the second mounting seat 32 with each other, and the buffer part 33 can buffer the impact transmitted by the concrete pipe 50, thereby effectively reducing the impact force between rigid parts of the concrete pipe supporting device and cracks and fissures caused by the impact force, and prolonging the service life. Specifically, the first mounting seat 31 and the second mounting seat 32 may be provided with corresponding pin holes, and are hinged to each other by a pin 34.

The buffer 33 may take various suitable forms, and may be of a rubber structure, for example. For convenience of installation and maintenance, as shown in fig. 1, the buffer part 33 may include a spring, both ends of which are respectively connected to the first and

second mounting seats

31 and 32, so as to provide a buffer between the first and

second mounting seats

31 and 32. Wherein, two ends of the spring can be connected to the first mounting seat 31 and the second mounting seat 32 through the spring seat 311.

In addition, a plurality of springs are preferably provided in order to provide uniform cushioning between the first mount 31 and the second mount 32, and to provide cushioning between different regions between the first mount 31 and the second mount 32. For cost and efficiency, it is preferable that the buffer portion 33 includes two springs respectively disposed at both sides of a hinge point of the first and

second mounting seats

31 and 32.

The spacer 10 may take any suitable form in this application to provide a stop for the concrete pipe 50. For example, the positioning member 10 may include a U-shaped stopper, and a free end of the U-shaped stopper is mounted to the first mounting seat 31 to define a space for accommodating the concrete pipe with the first mounting seat 31. Specifically, the first mounting seat 31 may be provided with a mounting hole, and the free end of the U-shaped stopper may be connected to the mounting hole by a fastener P (e.g., a bolt).

In order to match the space with the profile of the concrete pipe 50, an arc surface matched with the concrete pipe is arranged on the surface of the first mounting seat 31 facing the space.

In the present application, the link 20 may take any suitable form to provide support between the bumper linkage 30 and the boom housing 60. Specifically, the connecting member 20 may be a support tube, and the second mounting seat 32 may be welded to the support tube for facilitating connection of the second mounting seat 32. Specifically, the support tube is substantially perpendicular to the wall of the boom box 60, the concrete pipe 50 is substantially perpendicular to the support tube, and the hinge axis of the first mounting seat 31 and the second mounting seat 32 is substantially perpendicular to the axis of the support tube and the concrete pipe 50.

In order to enhance the connection between the second mounting seat 32 and the support tube, a reinforcing rib 40 may be disposed between the second mounting seat 32 and the support tube, and the reinforcing rib 40 may be welded and fixed to the second mounting seat 32 and the support tube, respectively.

According to another aspect of the present application, a boom structure is provided, wherein the boom structure includes a concrete pipe 50, a boom box 60 and the concrete pipe supporting device of the present application, and the connector 20 is connected to the boom box 60.

By hinging the first mounting seat 31 and the second mounting seat 32 with each other, the relative position between the positioning member 10 and the support member 20 can be adjusted adaptively when the concrete pipe 50 is impacted, and the buffer part 33 can provide buffer for the impact transmitted by the concrete pipe 50, effectively reducing the impact force between the rigid parts of the concrete pipe support device and the cracks and fissures caused thereby, and prolonging the service life.

Wherein the connection 20 may be connected to the boom box 60 in a suitable manner. For example, the connector 20 may be welded to the boom box 60. In order to improve the connection strength between the connector 20 and the arm support box 60 and avoid cracking, a reinforcing ring 70 may be disposed around the welding position between the connector 20 and the arm support box 60. Specifically, the reinforcement ring 70 may be an annular plate and welded to the connecting member 20 and the welding position of the boom box 60.

According to another aspect of the application, a construction machine is provided, wherein the construction machine comprises the boom structure of the application.

The engineering machinery can be of various types which have arm support structures and can convey concrete through concrete pipes, such as concrete pump trucks and the like.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical scheme of the utility model in the technical conception scope, can be right carry out multiple simple variant. The present application includes the combination of individual features in any suitable manner. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. The utility model provides a concrete pipe strutting arrangement, characterized in that, concrete pipe strutting arrangement is including setting element (10) that is used for fixing a position concrete pipe (50), connecting piece (20) that are used for connecting cantilever crane box (60), be used for connecting setting element (10) with buffering coupling mechanism (30) of connecting piece (20), buffering coupling mechanism (30) are including articulated first mount pad (31) and second mount pad (32) and the flexonics each other in first mount pad (31) with buffer portion (33) between second mount pad (32), first mount pad (31) with second mount pad (32) connect respectively in setting element (10) with connecting piece (20).

2. A concrete pipe supporting device according to claim 1, wherein the buffering part (33) includes a spring, and both ends of the spring are connected to the first and second mounting seats (31, 32), respectively.

3. A concrete pipe supporting device according to claim 2, wherein the buffering part (33) includes two springs respectively provided at both sides of a hinge point of the first mount (31) and the second mount (32).

4. A concrete pipe supporting device according to claim 1, wherein the positioning member (10) comprises a U-shaped stopper, and a free end of the U-shaped stopper is mounted to the first mounting block (31) to define a space for accommodating the concrete pipe with the first mounting block (31).

5. A concrete pipe supporting device according to claim 4, wherein the surface of the first mounting block (31) facing the space is provided with a cambered surface matching the concrete pipe.

6. A concrete pipe supporting device according to claim 1, wherein the connecting member (20) is a support pipe, and the second mounting socket (32) is welded to the support pipe.

7. A concrete pipe supporting device according to claim 6, wherein a reinforcing rib (40) is provided between the second mounting socket (32) and the supporting pipe.

8. Boom structure, characterized in that the boom structure comprises a concrete pipe (50), a boom box (60) and a concrete pipe support device according to any one of claims 1-7, the connector (20) being connected to the boom box (60).

9. Boom construction according to claim 8, characterized in that the connection piece (20) is welded to the boom box (60), and that a reinforcement ring (70) is arranged around the welding point of the connection piece (20) to the boom box (60).

10. A working machine, characterized in that the working machine comprises a boom construction according to claim 8 or 9.