CN109931078A - Filling concrete vehicle and its folding arm - Google Patents
Filling concrete vehicle and its folding arm Download PDFInfo
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- CN109931078A CN109931078A CN201910325662.9A CN201910325662A CN109931078A CN 109931078 A CN109931078 A CN 109931078A CN 201910325662 A CN201910325662 A CN 201910325662A CN 109931078 A CN109931078 A CN 109931078A
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Abstract
The present invention provides a kind of filling concrete vehicle and its arm is folded, folding arm includes multiple cantilever cranes;The multiple cantilever crane includes the first cantilever crane group and the second cantilever crane group;The first cantilever crane group includes multiple level-one cantilever cranes, and two adjacent level-one cantilever cranes rotation connection in the multiple level-one cantilever crane, the first cantilever crane group is stretched or folded along first direction;The second cantilever crane group includes multiple second level cantilever cranes, and two adjacent second level cantilever cranes rotation connection, the second cantilever crane group are stretched or folded in a second direction in the multiple second level cantilever crane;One end of the first cantilever crane group is connected to one end of the second cantilever crane group, in the technical solution, the first cantilever crane group and the second cantilever crane group are stretched in different directions, improve the flexibility folded when arm works in tunnel, the work covering surface for folding arm is larger, improves construction efficiency when construction.
Description
Technical field
The present invention relates to concrete-spouting plant technical fields, more specifically, be related to a kind of filling concrete vehicle and its
Fold arm.
Background technique
Cantilever crane on concrete-spouting plant is that the working method folded with multistage works, and cantilever crane passes through multistage folding
Material is delivered to the working region of different height by folded working method.
When concrete-spouting plant conveys material in tunnel by cantilever crane, due to the narrow space in tunnel,
It is easy to collide with tunnel when cantilever crane stretches in tunnel, to be difficult to for material being delivered at the working region in tunnel.
How to improve flexibility when cantilever crane works in tunnel becomes urgent problem to be solved.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.
One aspect of the present invention provides a kind of folding arm.
An additional aspect of the present invention provides a kind of filling concrete vehicle.
In view of a kind of above-mentioned, folding arm provided by the invention, comprising: multiple cantilever cranes;Multiple cantilever cranes include the first cantilever crane group
With the second cantilever crane group;First cantilever crane group includes multiple level-one cantilever cranes, two adjacent level-one cantilever cranes rotation in multiple level-one cantilever cranes
Connection, the first cantilever crane group are stretched or are folded along first direction;Second cantilever crane group includes multiple second level cantilever cranes, in multiple second level cantilever cranes
Adjacent two second level cantilever cranes rotation connection, the second cantilever crane group are stretched or are folded in a second direction;One end of first cantilever crane group connects
It is connected to one end of the second cantilever crane group.
Folding arm provided by the invention includes multiple cantilever cranes, and multiple cantilever cranes include the first cantilever crane group and the second cantilever crane group, the
One cantilever crane group includes multiple level-one cantilever cranes, and adjacent two level-one cantilever cranes rotation connection, the second cantilever crane group includes multiple second level arms
Frame, adjacent two second level cantilever cranes rotation connection, when two adjacent level-one cantilever cranes relatively rotate and angle increases, the first cantilever crane
Group is stretched along first direction, and when two adjacent second level cantilever cranes relatively rotate and angle increases, the second cantilever crane group is along second
Direction is stretched, and in the stretching, extension of the first cantilever crane group, the first cantilever crane group conveys material along first direction, the second cantilever crane group
When stretching, extension, the second cantilever crane group continues in a second direction to convey material, and the first cantilever crane group and the second cantilever crane group are to material edge
It is conveyed on different directions, the folding arm for preventing one direction from stretching collides with tunnel, to be conducive to fold arm for material
It is delivered to the different operating region in tunnel, improves the flexibility folded when arm works in tunnel.
Preferably, first direction is vertical direction, and second direction is horizontal direction, and the first cantilever crane group is along the vertical direction to object
Material is conveyed, then is conveyed in the horizontal direction to material by the second cantilever crane group, the first cantilever crane group vertical direction stretch with
And second cantilever crane group stretch in the horizontal direction, convenient for material is delivered at working region different in tunnel, increase fold arm
The flexibility for folding arm is improved in the working region of covering.
In addition, the folding arm that above-mentioned technical proposal provides according to the present invention also has following additional technical feature:
In any of the above-described technical solution, it is preferable that the first cantilever crane group further include: the first pilot hole, set on adjacent two
On one in a level-one cantilever crane;Second pilot hole, on another in two adjacent level-one cantilever cranes;Multiple first pins
Axis, the first pin shaft passes through the first pilot hole and the second pilot hole, so that two adjacent level-one cantilever cranes are rotatablely connected.
In the technical scheme, the first pin shaft passes through the first pilot hole and the second pilot hole, two adjacent level-one cantilever cranes
Assembled with the first pin shaft, two adjacent level-one cantilever cranes rotated along the first pin shaft and realize the first cantilever crane along first direction into
Row stretching, extension folds, and material is delivered in the different operating region of first direction by the first cantilever crane group.
In any of the above-described technical solution, it is preferable that the second cantilever crane group further include: third pilot hole, set on adjacent two
On one in a second level cantilever crane;4th pilot hole, on another in two adjacent second level cantilever cranes;Multiple second pins
Axis, the second pin shaft passes through third pilot hole and the 4th pilot hole, so that two adjacent second level cantilever cranes are rotatablely connected.
In the technical scheme, the second pin shaft passes through third pilot hole and the 4th pilot hole, two adjacent second level cantilever cranes
Assembled with the second pin shaft, two adjacent second level cantilever cranes rotated along the second pin shaft and realize the second cantilever crane in a second direction into
Row stretching, extension folds, and after the first cantilever crane group stretches in a first direction, material is delivered to the difference of second direction by the second cantilever crane group
In region.
In any of the above-described technical solution, it is preferable that the second cantilever crane group further include: transition arm support, transition arm support
The level-one cantilever crane of one end and first cantilever crane group one end is rotatablely connected by the first pin shaft, the other end of transition arm support and the second cantilever crane
The second level cantilever crane of group one end is rotatablely connected by the second pin shaft;Obliquity sensor is set on transition arm support, and obliquity sensor is used for
Monitor the angle of transition arm support and horizontal plane;Controller receives the inductive signal of obliquity sensor, and controller is for controlling transition
The extending direction and second direction keeping parallelism of cantilever crane.
In the technical scheme, the level-one cantilever crane of one end of transition arm support and first cantilever crane group one end is rotatablely connected, inclination angle
Sensor is monitored the angle of transition arm support and horizontal plane, and plane goes out with plane where second direction where transition arm support
When existing deviation, inductive signal is transmitted to controller by obliquity sensor, and controller controls transition arm support with respect to the first cantilever crane group one
The level-one cantilever crane at end rotates, so that plane where transition arm support is kept to be generally aligned in the same plane always with plane where second direction,
And then the second cantilever crane group is kept to stretch or fold in a second direction.
In any of the above-described technical solution, it is preferable that multiple cantilever cranes further include: hydraulic cylinder, the first end rotation of hydraulic cylinder
It is connected on one in two cantilever cranes adjacent in multiple cantilever cranes;Drive link group, respectively adjacent with multiple cantilever cranes two
The rotation connection of the second end of a cantilever crane and hydraulic cylinder, the controller control drive link group band described in the Driven by Hydraulic Cylinder
Move the transition arm support rotation.
In the technical scheme, hydraulic cylinder with one in two adjacent cantilever cranes for fulcrum, drive link group with it is adjacent
The rotation connection of two cantilever cranes, when the piston rod of hydraulic cylinder stretches out, piston rod pushes drive link group, drive link group
Two adjacent cantilever cranes are pushed, so that the angle of two adjacent cantilever cranes increases, so that the first cantilever crane group is along
The stretching, extension of one direction and/or the second cantilever crane group stretch in a second direction, and the first cantilever crane group and the second cantilever crane group are by material different
It is conveyed on direction, improves flexibility when folding arm work, after folding arm conveys material, the piston of hydraulic cylinder
Bar is retracted hydraulic cylinder, and piston rod pulls drive link group, and drive link group pulls two adjacent cantilever cranes, makes
The angle for obtaining two adjacent cantilever cranes reduces, so that the first cantilever crane group is folded along first direction and/or the second cantilever crane group edge
Second direction folds, and controller controls hydraulic cylinder movement, and hydraulic cylinder drives transition arm support rotation by drive link group, to protect
Plane is generally aligned in the same plane with plane where first direction always where holding transition arm support, and then keeps the second cantilever crane group along second
Direction stretching, extension folds.
In any of the above-described technical solution, it is preferable that drive link group includes: first connecting rod, second with hydraulic cylinder
End rotation connection;At least two second connecting rods, at least two second connecting rods, two arms adjacent with multiple cantilever cranes respectively
One in frame and first connecting rod rotation connection;At least two third connecting rods, at least two third connecting rods respectively with
Another and first connecting rod rotation connection in multiple cantilever cranes in two adjacent cantilever cranes;The axis direction of first connecting rod
It is vertical with the extending direction of multiple cantilever cranes.
In the technical scheme, when the piston rod of hydraulic cylinder stretches out, piston rod pushes first connecting rod, and first connects
The direction that extension bar drives at least two second connecting rods and at least two third connecting rods to be directed away from hydraulic cylinder is mobile, and at least two
A second connecting rod and at least two third connecting rods are along first connecting rod rotation and at least two second connecting rods and at least two
The angle of a third connecting rod is gradually increased, and at least two second connecting rods and at least two third connecting rods drive adjacent two
The angle of a cantilever crane is gradually increased, and realizes that the first cantilever crane group is stretched along first direction and/or the second cantilever crane group is stretched in a second direction
Exhibition, after folding arm conveys material, the piston rod of hydraulic cylinder is retracted hydraulic cylinder, and piston rod draws first connecting rod
Dynamic, first connecting rod drives at least two second connecting rods and at least two third connecting rods mobile towards the direction of hydraulic cylinder,
The angle of at least two second connecting rods and at least two third connecting rods is gradually reduced, at least two second connecting rods and at least
Two third connecting rods drive the angle of two adjacent cantilever cranes to be gradually reduced, and realize that the first cantilever crane group is folded along first direction
And/or second cantilever crane group fold in a second direction.
In any of the above-described technical solution, it is preferable that at least two second connecting rods and at least two third connecting rods are set
In on the side wall of multiple cantilever crane extending directions two sides.
In the technical scheme, at least two second connecting rods are arranged on the side wall of multiple cantilever crane extending directions two sides,
At least two third connecting rods are similarly disposed on the side wall of multiple cantilever crane extending directions two sides, so that the two sides of first connecting rod
It is rotatably connected to the second connecting rod and third connecting rod, so that first connecting rod is less prone to shaking when moving, into
And first connecting rod steadily pushes or pull at least two second connecting rods and at least two third connecting rods,
To drive the first cantilever crane group and the second cantilever crane group steadily to stretch or fold.
In any of the above-described technical solution, it is preferable that the angular range of first direction and the angle of second direction be 75 ° extremely
115°。
In the technical scheme, the angular range of first direction and second direction is 75 ° to 115 °, so that the first cantilever crane group
Material is conveyed along different directions with the second cantilever crane group, the first cantilever crane group is stretched along first direction and conveyed to material
Afterwards, the second cantilever crane group is stretched in a second direction and is conveyed to material, and the first cantilever crane group and the second cantilever crane group are to work in tunnel
The covering surface for making region is larger, so that material is neatly delivered to by the first cantilever crane group and the second cantilever crane group according to work requirements
In tunnel at different working regions.
The second aspect of the invention provides a kind of filling concrete vehicle, comprising: bearing seat;It further include any of the above-described skill
Folding arm provided in art scheme folds arm and is assemblied on bearing seat, therefore filling concrete vehicle provided by the invention has
Whole benefits of arm are folded provided in any of the above-described technical solution, filling concrete vehicle Foldable arm moves in tunnel
To working region nearby after, the first cantilever crane group is stretched along first direction, and the second cantilever crane group stretches in a second direction, and then by object
Material is delivered to working region different in tunnel.
In any of the above-described technical solution, one end of the first cantilever crane group and bearing seat are rotatablely connected along the first pin shaft.
In the technical scheme, one end of the first cantilever crane group and bearing seat are rotatablely connected by the first pin shaft, improve first
The length that cantilever crane group is stretched along first direction increases the first cantilever crane group along the overlay area of first direction, increases the first cantilever crane group
Convey the working range of material.
Additional aspect and advantage according to the present invention will provide in following description section, partially will be from following description
In become obvious, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 shows the structural schematic diagram of the folding arm of one embodiment of the present of invention offer;
Fig. 2 shows the structural schematic diagrams for the folding arm that one embodiment of the present of invention provides;
Fig. 3 shows the structural schematic diagram of hydraulic cylinder and drive link group in one embodiment of the present of invention;
Fig. 4 shows bearing seat, hydraulic cylinder and the connection relationship of the first cantilever crane group in one embodiment of the present of invention and shows
It is intended to.
Wherein, the corresponding relationship in Fig. 1 to Fig. 4 between appended drawing reference and component names are as follows:
1 first cantilever crane group, 1a the first level-one cantilever crane, 1b the second level-one cantilever crane, 2 second cantilever crane groups, 2a the first second level cantilever crane,
2b the second second level cantilever crane, 2c third second level cantilever crane, the 4th second level cantilever crane of 2d, 2e transition arm support, 6a first hydraulic cylinder, the second liquid of 6b
Cylinder pressure, 6c third hydraulic cylinder, the 4th hydraulic cylinder of 6d, the 5th hydraulic cylinder of 6e, the 6th hydraulic cylinder of 6f, the 7th hydraulic cylinder of 6g, 7a first
Drive link group, 7b the second drive link group, 7c third drive link group, 7d the 4th drive connection rod set, the 5th drive link of 7e
Group, the 6th drive link group of 7f, 71 first connecting rods, 72 second connecting rods, 73 third connecting rods, 8 bearing seats.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
Implement in a manner of using other than the one described here, therefore, protection scope of the present invention is not by following public tool
The limitation of body embodiment.
The filling concrete vehicle provided according to some embodiments of the present invention and its folding are described referring to Fig. 1 to Fig. 4
Folded arm.
A kind of folding arm provided by the invention, referring to figs. 1 and 2, comprising: multiple cantilever cranes;Multiple cantilever cranes include the
One cantilever crane group 1 and the second cantilever crane group 2;First cantilever crane group 1 includes multiple level-one cantilever cranes, adjacent two one in multiple level-one cantilever cranes
Grade cantilever crane rotation connection, the first cantilever crane group 1 are stretched or are folded along first direction;Second cantilever crane group 2 includes multiple second level cantilever cranes, more
Two adjacent second level cantilever cranes rotation connection, the second cantilever crane group 2 are stretched or are folded in a second direction in a second level cantilever crane;First arm
One end of frame group 1 is rotationally connected with one end of the second cantilever crane group 2, and Fig. 1 is the first cantilever crane group 1 and the second cantilever crane group in the present embodiment
Schematic diagram when 2 stretching, extension, Fig. 2 are schematic diagrames when the first cantilever crane group 1 and the second cantilever crane group 2 fold in the present embodiment.
The folding arm that the embodiment of first aspect present invention provides includes multiple cantilever cranes, and multiple cantilever cranes include the first cantilever crane group
1 and the second cantilever crane group 2, the first cantilever crane group 1 include multiple level-one cantilever cranes, adjacent two level-one cantilever cranes rotation connection, Duo Geyi
Grade cantilever crane includes: the first level-one cantilever crane 1a, the second level-one cantilever crane 1b, and the second cantilever crane group 2 includes multiple second level cantilever cranes, and adjacent two
The rotation connection of a second level cantilever crane, multiple second level cantilever cranes include: the first second level cantilever crane 2a, the second second level cantilever crane 2b, third second level arm
Frame 2c, the 4th second level cantilever crane 2d, transition arm support 2e, when two adjacent level-one cantilever cranes relatively rotate and angle increases, the first arm
Frame group 1 is stretched along first direction, and when two adjacent second level cantilever cranes relatively rotate and angle increases, the second cantilever crane group 2 is along second
Direction stretching, extension conveys material along first direction in the stretching, extension of the first cantilever crane group 1, when the second cantilever crane group 2 stretches, second
Cantilever crane group 2 continues in a second direction to convey material, and the first cantilever crane group 1 and the second cantilever crane group 2 are to material along different directions
It is conveyed, the folding arm for preventing one direction from stretching collides with tunnel, and material is delivered to tunnel to be conducive to folding arm
The flexibility folded when arm works in tunnel, multiple second level cantilever cranes in the second cantilever crane group 2 are improved in interior different operating region
In Z-fold in a second direction to the bending part of 1 one end of the first cantilever crane group, the sky that folded folding arm integrally occupies is saved
Between, while the height for folding arm entirety is reduced using the folding arm of bi-directional folded mode, it can guarantee in narrow tunnel
It works, is equally applicable to work in long and narrow tunnel, multiple level-one cantilever cranes and multiple second levels in the present embodiment
The quantity of cantilever crane can be increased or decreased according to the difference of construction requirement.
Preferably, in the present embodiment, first direction is vertical direction, and second direction is horizontal direction, the first cantilever crane group 1
Material is conveyed along the vertical direction, then material is conveyed in the horizontal direction by the second cantilever crane group 2, the first cantilever crane group 1
It is stretched in the horizontal direction in vertical direction stretching, extension and the second cantilever crane group 2, convenient for material is delivered in different working regions,
Increase the working region for folding arm covering, improves the flexibility for folding arm.
In the above embodiment, it is preferable that the first cantilever crane group 1 further include: the first pilot hole, machine-shaping is in adjacent two
On one in a level-one cantilever crane;Second pilot hole, machine-shaping is on another in two adjacent level-one cantilever cranes;It is multiple
First pin shaft, the first pin shaft passes through the first pilot hole and the second pilot hole, so that two adjacent level-one cantilever cranes are rotatablely connected.
In this embodiment, the first pin shaft pass through the first pilot hole and the second pilot hole, two adjacent level-one cantilever cranes with
First pin shaft is assembled, and two adjacent level-one cantilever cranes rotate along the first pin shaft and realize the first cantilever crane and carry out along first direction
Stretching, extension folds, and material is delivered in the different operating region on first direction by the first cantilever crane group 1.
In the above embodiment, it is preferable that the second cantilever crane group 2 further include: third pilot hole, machine-shaping is in adjacent two
On one in a second level cantilever crane;4th pilot hole, machine-shaping is on another in two adjacent second level cantilever cranes;It is multiple
Second pin shaft, the second pin shaft passes through third pilot hole and the 4th pilot hole, so that two adjacent second level cantilever cranes are rotatablely connected.
In this embodiment, the second pin shaft pass through third pilot hole and the 4th pilot hole, two adjacent second level cantilever cranes with
Second pin shaft is assembled, and two adjacent second level cantilever cranes rotate along the second pin shaft and realize the second cantilever crane and carry out in a second direction
Stretching, extension folds, and after first direction stretching, extension, material is delivered in second direction not the first cantilever crane group 1 by the second cantilever crane group 2
With in region.
In the above-described embodiments, as illustrated in fig. 1, it is preferred that one end of transition arm support 2e passes through with the second level-one cantilever crane 1b
The rotation connection of first pin shaft, the other end of transition arm support 2e and the 4th second level cantilever crane 2d are rotatablely connected by the second pin shaft;Inclination angle
Sensor (not shown) is installed on transition arm support 2e, and obliquity sensor is used to monitor the angle of transition arm support 2e and horizontal plane;
Controller, receives the inductive signal of obliquity sensor, and controller is used to control the extending direction and second direction of transition arm support 2e
Keeping parallelism.
In the above-described embodiments, obliquity sensor is monitored the angle of transition arm support 2e and horizontal plane, works as transition arm
When deviation occurs in plane where plane where frame 2e and second direction, inductive signal is transmitted to controller by obliquity sensor, control
Device control transition arm support 2e processed is rotated along the first pin shaft, so that plane where keeping transition arm support 2e is always and where second direction
Plane is generally aligned in the same plane, so that the second cantilever crane group 2 keeps stretching or folding in a second direction, reduces the second cantilever crane group
The difficulty operated when 2 stretching, extensions or folding, improves safety, in other embodiments, when being not provided with obliquity sensor, transition
Cantilever crane 2e can keep self contained function.
In the above-described embodiments, referring to figs. 1 and 2, it is preferable that multiple cantilever cranes further include: hydraulic cylinder, hydraulic cylinder
First end is rotationally connected on one in two cantilever cranes adjacent in multiple cantilever cranes;Drive link group, respectively with multiple cantilever cranes
In adjacent two cantilever cranes and hydraulic cylinder second end rotation connection.
Hydraulic cylinder includes: first hydraulic cylinder 6a, second hydraulic cylinder 6b, third hydraulic cylinder 6c, the 4th hydraulic cylinder 6d, the 5th liquid
Cylinder pressure 6e, the 6th hydraulic cylinder 6f.
Drive link group includes: the first drive link group 7a, the second drive link group 7b, third drive link group 7c, the
Four driving connection rod set 7d, the 5th drive link group 7e, the 6th drive link group 7f.
As shown in Figure 1, the first end of the first level-one cantilever crane 1a and first hydraulic cylinder 6a is rotatablely connected, the first drive link group
The second end of 7a and first hydraulic cylinder 6a are rotatablely connected, and the first drive link group 7a respectively with the first level-one cantilever crane 1a and second
Level-one cantilever crane 1b rotation connection.
The first end of second level-one cantilever crane 1b and second hydraulic cylinder 6b is rotatablely connected, the second drive link group 7b and the second liquid
The second end of cylinder pressure 6b is rotatablely connected, and the second drive link group 7b is rotated with the second level-one cantilever crane 1b and transition arm support 2e respectively
Connection, controller control second hydraulic cylinder 6b and the second drive link group 7b are driven to drive the transition arm support 2e rotation, the second liquid
Cylinder pressure 6b drives transition arm support 2e rotation by the second drive link group 7b, thus keep plane where transition arm support 2e always with
Plane where second direction is generally aligned in the same plane, so that the second cantilever crane group 2 keeps stretching or folding in a second direction.
As shown in Fig. 2, the first end of transition arm support 2e and third hydraulic cylinder 6c are rotatablely connected, third drive link group 7c with
The second end of third hydraulic cylinder 6c is rotatablely connected, and third drive link group 7c respectively with transition arm support 2e and the 4th second level cantilever crane
2d rotation connection.
The first end of 4th second level cantilever crane 2d and the 4th hydraulic cylinder 6d is rotatablely connected, the 4th driving connection rod set 7d and the 4th liquid
The second end of cylinder pressure 6d is rotatablely connected, and the 4th driving connection rod set 7d respectively with the 4th second level cantilever crane 2d and third second level cantilever crane 2c
Rotation connection.
The first end of third second level cantilever crane 2c and the 5th hydraulic cylinder 6e are rotatablely connected, the 5th drive link group 7e and the 5th liquid
The second end of cylinder pressure 6e is rotatablely connected, and the 5th drive link group 7e respectively with third second level cantilever crane 2c and the second second level cantilever crane 2b
Rotation connection.
The first end of second second level cantilever crane 2b and the 6th hydraulic cylinder 6f is rotatablely connected, the 6th drive link group 7f and the 6th liquid
The second end of cylinder pressure 6f is rotatablely connected, and the 6th drive link group 7f respectively with the second second level cantilever crane 2b and the first second level cantilever crane 2a
Rotation connection.
In this embodiment, hydraulic cylinder with one in two adjacent cantilever cranes for fulcrum, drive link group and adjacent
Two cantilever crane rotation connections, when the piston rod of hydraulic cylinder stretches out, piston rod pushes drive link group, drive link group pair
Two adjacent cantilever cranes are pushed, so that the angle of two adjacent cantilever cranes increases, so that the first cantilever crane group 1 is along first
Direction stretching, extension and the second cantilever crane group 2 stretch in a second direction, and the first cantilever crane group 1 and the second cantilever crane group 2 are by material along different
It is conveyed on direction, improves flexibility when folding arm work, after folding arm conveys material, the piston of hydraulic cylinder
Bar is retracted hydraulic cylinder, and piston rod pulls drive link group, and drive link group pulls two adjacent cantilever cranes, makes
The angle for obtaining two adjacent cantilever cranes reduces, so that the first cantilever crane group 1 is folded along first direction and 2 edge of the second cantilever crane group
Second direction folds.
In the above-described embodiments, as shown in Figure 3, it is preferable that third drive link group 7c includes: first connecting rod 71, with
The second end of third hydraulic cylinder 6c is rotatablely connected;Two the second connecting rods 72, two the second connecting rods 72 respectively with transition arm support
2e and first connecting rod 71 are rotatablely connected;Two the second connecting rods 72 are located at the two sides of first connecting rod 71, and two thirds connect
Extension bar 73, two third connecting rods 73 are rotatablely connected with the 4th second level cantilever crane 2d and first connecting rod 71 respectively, two thirds
Connecting rod 73 is located at the two sides of first connecting rod 71, and the axis direction of first connecting rod 71 and the extending direction of multiple cantilever cranes hang down
Directly, the first drive link group 7a, the second drive link group 7b, the 4th driving connection rod set 7d, the 5th drive link group 7e, the 6th drives
The structure of dynamic connection rod set 7f is identical as the structure of third drive link group 7c.
In this embodiment, when the piston rod of third hydraulic cylinder 6c stretches out, piston rod pushes first connecting rod 71,
The first end of third hydraulic cylinder 6c is rotated relative to transition arm support 2e, and first connecting rod 71 drives two 72 Hes of the second connecting rod
The direction that two third connecting rods 73 are directed away from third hydraulic cylinder 6c is mobile, due to transition arm support 2e and the 4th second level cantilever crane 2d
Length be definite value, so two the second connecting rods 72 and two third connecting rods 73 carry out when being pushed along first connecting rod 71
It relatively rotates, the angle of two the second connecting rods 72 and two third connecting rods 73 is gradually increased, two 72 Hes of the second connecting rod
Two third connecting rods 73 drive the angle of transition arm support 2e and the 4th second level cantilever crane 2d to be gradually increased, and fold arm and carry out to material
After conveying, the piston rod of third hydraulic cylinder 6c is retracted third hydraulic cylinder 6c, and piston rod pulls first connecting rod 71, and first
Connecting rod 71 drives two the second connecting rods 72 and two third connecting rods 73 mobile towards the direction of third hydraulic cylinder 6c, and two
During second connecting rod 72 and two third connecting rods 73 are pulled, two the second connecting rods 72 and two third connecting rods 73
Angle be gradually reduced, two the second connecting rods 72 and two third connecting rods 73 drive transition arm support 2e and the 4th second level cantilever crane
The angle of 2d is gradually reduced.
Two the second connecting rods 72 are rotationally connected on the side wall of multiple cantilever crane extending directions two sides, two third connecting rods
73 are equally rotationally connected on the side wall of multiple cantilever crane extending directions two sides, so that the two sides of first connecting rod 71 are rotatablely connected
There are the second connecting rod 72 and third connecting rod 73, so that first connecting rod 71 is less prone to shaking when moving, and then makes
First connecting rod 71 steadily pushes or pull on two the second connecting rods 72 and two third connecting rods 73, two the
Two connecting rods 72 and two third connecting rods 73 drive the first cantilever crane group 1 and the second cantilever crane group 2 steadily to stretch or fold.
In the above embodiment, it is preferable that the angular range of first direction and the angle of second direction is 75 ° to 115 °.
In this embodiment, the angular range of first direction and second direction is 75 ° to 115 °, the first cantilever crane group 1 and
Two cantilever crane groups 2 convey material along different directions, and the first cantilever crane group 1 is stretched along first direction and conveyed to material
Afterwards, the second cantilever crane group 2 is stretched in a second direction and is conveyed to material, and the first cantilever crane group 1 and the second cantilever crane group 2 are in tunnel
The covering surface of working region is larger, so that the first cantilever crane group 1 and the second cantilever crane group 2 are neatly defeated by material according to work requirements
Send the working region different to tunnel.
As shown in figure 4, the filling concrete vehicle that the second aspect of the embodiment of the present invention provides includes: bearing seat 8;Further include
Folding arm provided in any of the above-described technical solution folds arm and is assemblied on bearing seat 8, therefore concrete provided by the invention
Oil well cracking acid pumping truck has whole benefits that arm is folded provided in any of the above-described technical solution, and filling concrete vehicle Foldable arm exists
After being moved to working region in tunnel nearby, the first cantilever crane group 1 is stretched along first direction, and the second cantilever crane group 2 is in a second direction
Stretching, extension, and then material is delivered to different working regions.
In the above embodiment, it is preferable that the first level-one cantilever crane 1a and bearing seat 8 are rotatablely connected along the first pin shaft.
In this embodiment, the first level-one cantilever crane 1a and bearing seat 8 are rotatablely connected by the first pin shaft, are turned on bearing seat 8
It is dynamic to be connected with the 7th hydraulic cylinder 6g, the first end rotation connection of bearing seat 8 and the 7th hydraulic cylinder 6g, the first level-one cantilever crane 1a and the
The second end of seven hydraulic cylinder 6g is rotatablely connected, and the 7th hydraulic cylinder 6g drives the first level-one cantilever crane 1a to rotate relative to bearing seat 8, thus
The length that the first cantilever crane group 1 is stretched along first direction is improved, increases the first cantilever crane group 1 along the overlay area of first direction, increases
The working range of first cantilever crane group 1 conveying material.
In the description of this specification, term " connection ", " installation ", " fixation " etc. shall be understood in a broad sense, for example, " even
Connect " it may be fixed connection or may be dismantle connection, or integral connection;It can be directly connected, it can also be in
Between medium be indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of folding arm characterized by comprising
Multiple cantilever cranes;
The multiple cantilever crane includes the first cantilever crane group and the second cantilever crane group;
The first cantilever crane group includes multiple level-one cantilever cranes, and two adjacent level-one cantilever cranes, which rotate, in the multiple level-one cantilever crane connects
It connects, the first cantilever crane group is stretched or folded along first direction;
The second cantilever crane group includes multiple second level cantilever cranes, and two adjacent second level cantilever cranes, which rotate, in the multiple second level cantilever crane connects
It connects, the second cantilever crane group is stretched or folded in a second direction;
One end of the first cantilever crane group is connected to one end of the second cantilever crane group.
2. folding arm according to claim 1, which is characterized in that the first cantilever crane group further include:
First pilot hole, on one in two adjacent level-one cantilever cranes;
Second pilot hole, on another in two adjacent level-one cantilever cranes;
Multiple first pin shafts, the first pin shaft passes through first pilot hole and second pilot hole, so that adjacent two one
Grade cantilever crane rotation connection.
3. folding arm according to claim 2, which is characterized in that the second cantilever crane group further include:
Third pilot hole, on one in two adjacent second level cantilever cranes;
4th pilot hole, on another in two adjacent second level cantilever cranes;
Multiple second pin shafts, the second pin shaft passes through the third pilot hole and the 4th pilot hole, so that adjacent two two
Grade cantilever crane rotation connection.
4. folding arm according to claim 3, which is characterized in that the second cantilever crane group further include:
The level-one cantilever crane of transition arm support, one end of the transition arm support and described first cantilever crane group one end passes through first pin shaft
The second level cantilever crane of rotation connection, the other end of the transition arm support and described second cantilever crane group one end is turned by second pin shaft
Dynamic connection;
Obliquity sensor is set on the transition arm support, and the obliquity sensor is for monitoring the transition arm support and horizontal plane
Angle;
Controller, receives the inductive signal of the obliquity sensor, and the controller is used to control the extension of the transition arm support
Direction and the second direction keeping parallelism.
5. folding arm according to claim 4, which is characterized in that the multiple cantilever crane further include:
Hydraulic cylinder, the first end of the hydraulic cylinder are rotationally connected with one in two cantilever cranes adjacent in the multiple cantilever crane
On;
Drive link group, the respectively second end of two cantilever cranes adjacent with the multiple cantilever crane and hydraulic cylinder rotation connect
It connects, the controller controls drive link group described in the Driven by Hydraulic Cylinder and drives the transition arm support rotation.
6. folding arm according to claim 5, which is characterized in that the drive link group includes:
First connecting rod is rotatablely connected with the second end of the hydraulic cylinder;
At least two second connecting rods, at least two second connecting rod, two arms adjacent with the multiple cantilever crane respectively
One in frame and first connecting rod rotation connection;
At least two third connecting rods, at least two thirds connecting rod, two arms adjacent with the multiple cantilever crane respectively
Another and the first connecting rod rotation connection in frame;The axis direction of the first connecting rod and the multiple cantilever crane
Extending direction it is vertical.
7. folding arm according to claim 6, which is characterized in that at least two second connecting rod and described at least two
A third connecting rod is set on the side wall of the multiple cantilever crane extending direction two sides.
8. folding arm according to any one of claim 1 to 7, which is characterized in that the first direction and described second
The angular range of the angle in direction is 75 ° to 115 °.
9. a kind of filling concrete vehicle characterized by comprising
Bearing seat;
Such as folding arm described in any item of the claim 1 to 8, the folding arm is assemblied on the bearing seat.
10. filling concrete vehicle according to claim 9, which is characterized in that one end of the first cantilever crane group with it is described
Bearing seat is rotatablely connected along first pin shaft.
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CN201910325662.9A CN109931078A (en) | 2019-04-22 | 2019-04-22 | Filling concrete vehicle and its folding arm |
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