CN216892202U - Suction arm - Google Patents
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- CN216892202U CN216892202U CN202121003470.5U CN202121003470U CN216892202U CN 216892202 U CN216892202 U CN 216892202U CN 202121003470 U CN202121003470 U CN 202121003470U CN 216892202 U CN216892202 U CN 216892202U
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Abstract
The utility model discloses a suction arm, which comprises an arm support, a suction hose and a suction device, wherein the arm support is provided with a suction hose; the suction device comprises a suction tube, and the suction tube is hinged to one end of the arm support so as to enable the suction tube to overturn relative to the arm support along with the terrain; the suction hose is connected with the discharge hole of the suction tube. Suction device can overturn along with the shape of topography under the effect of self weight, realizes the operation is followed to self-adaptation topography, can realize the suction operation of railway track dust better, can satisfy feed inlet perpendicular to inclined plane suction operating mode along with the suction device of land type, and the operating efficiency is higher, and operating mode adaptability is stronger, can the unable collection of effectual solution rail transportation coal dust, the siltation is at the painful point around the rail. Therefore, the present invention has an effect of following the terrain, and is applicable to the terrain around the railroad.
Description
Technical Field
The utility model relates to the field of suction equipment, in particular to a suction arm.
Background
At present, a rotary mechanism and a mechanical arm are matched with each other to open a cantilever crane and move a suction port to a specified position, so that the suction port is aligned with a material to suck, and the material enters a material collecting box through a suction pipe. The suction port moves along with the arm support, and the operation range is the farthest end and the nearest end which can be reached by the arm support. The rotary structure can realize left and right rotation of the arm support, the suction port can do left and right arc-drawing motion, the suction port sucks materials on the left and right sides of the arm support, and the suction port does 'Z' track motion by matching with the arm support.
When applying to rail department suction dust, because the mouth of pipe diameter is big, the operation is limited, unable large tracts of land operation, during the operation, receives the effect of suction, can inhale massive stone, is difficult to the other buggy of suction track, in addition, is limited to the other topography of rail complicacy, if through artificial control cantilever crane suction, consuming time virtual power, inefficiency.
SUMMERY OF THE UTILITY MODEL
Therefore, a suction arm is needed to be provided to solve the problem that the suction beside the rail is difficult to follow the ground condition through mechanical driving in the prior art.
In order to achieve the above object, the inventor provides a suction arm, which comprises an arm support, a suction hose and a suction device;
the suction device comprises a suction tube, and the suction tube is hinged to one end of the arm support so as to enable the suction tube to overturn relative to the arm support along with the terrain; the suction hose is connected with the discharge hole of the suction tube.
As a preferable structure of the utility model, the suction tube is provided with a connecting piece, and the connecting piece is hinged with one end of the arm support through a hinge shaft.
As a preferred structure of the utility model, a first swing oil cylinder is arranged at the side part of the articulated shaft, the first swing oil cylinder is hinged with the arm support, and a piston rod of the first swing oil cylinder is hinged with the suction tube; the oil port of the rod cavity of the first swing oil cylinder is communicated with the oil port of the rodless cavity, when the suction tube is turned, oil liquid moves back and forth between the rod cavity and the rodless cavity of the first swing oil cylinder, and the piston rod of the first swing oil cylinder correspondingly shortens or extends.
As a preferable structure of the present invention, the present invention further includes an oil supply mechanism; an oil way communicated with an oil port of the rod cavity and an oil port of the rodless cavity of the first swing oil cylinder is a first oil way, and the first oil way is provided with a first control valve for controlling the opening or the disconnection of the first oil way; and the oil supply mechanism is used for supplying oil to the first swing oil cylinder when the first oil way is disconnected so as to drive a piston rod of the first swing oil cylinder to extend or shorten.
As a preferred structure of the utility model, a second swing oil cylinder and a third swing oil cylinder are symmetrically arranged on two sides of the hinge shaft, the second swing oil cylinder and the third swing oil cylinder are both hinged with the arm support, and a piston rod of the second swing oil cylinder and a piston rod of the third swing oil cylinder are both hinged with the suction tube; an oil port of the second swing oil cylinder is communicated with an oil port of the third swing oil cylinder, when the suction tube is turned, oil liquid moves to and fro between the second swing oil cylinder and the third swing oil cylinder, and the telescopic direction of a piston rod of the second swing oil cylinder is opposite to that of a piston rod of the third swing oil cylinder.
As a preferable structure of the present invention, the present invention further includes an oil supply mechanism; an oil passage communicated with an oil port of the second swing oil cylinder and an oil port of the third swing oil cylinder is a second oil passage, and the second oil passage is provided with a second control valve for controlling the opening or the disconnection of the second oil passage; and the oil supply mechanism is used for supplying oil to the second swing oil cylinder and the third swing oil cylinder when the second oil way is disconnected so as to drive the extension direction of the piston rod of the second swing oil cylinder to be opposite to the extension direction of the piston rod of the third swing oil cylinder.
As a preferable structure of the utility model, one end of the arm support is provided with a first slewing mechanism, the suction tube is hinged at the first slewing mechanism, the first slewing mechanism is used for driving the suction tube to rotate, and the suction hose penetrates through the first slewing mechanism to be connected with a discharge hole of the suction tube.
As a preferable structure of the utility model, the suction tube is conical, and the feed inlet of the suction tube is larger than the discharge outlet of the suction tube.
As a preferable structure of the utility model, a filter screen is arranged at the feed inlet of the suction tube.
As a preferable structure of the utility model, the periphery of the discharge port of the suction tube is provided with a caster wheel.
Different from the prior art, the suction arm of above-mentioned technical scheme, its suction tube articulates in the one end of cantilever crane to make the suction tube can overturn along with the relative cantilever crane in topography ground, the suction tube can overturn along with the shape of topography under the effect of self weight, realize self-adaptation topography and follow the operation, can realize the suction operation of railway track dust better, suction device can satisfy the feed inlet perpendicular to inclined plane suction operating mode of suction tube promptly, the operating efficiency is higher, operating mode adaptability is stronger, can effectually solve the unable collection of coal dust in the rail transportation, the painful point of depositing around the rail, can be applicable to the topography of railway periphery.
Drawings
Fig. 1 is a view illustrating a state of use of a suction arm according to an embodiment of the present invention on an uphill slope;
fig. 2 is a view illustrating a state of use of the suction arm according to an embodiment of the present invention on a downhill slope;
FIG. 3 is a block diagram of a pumping device according to an embodiment of the present invention;
FIG. 4 is a structural view of a feed port of a suction tube according to an embodiment of the present invention;
fig. 5 is an oil path diagram of a first swing cylinder according to an embodiment of the present invention;
fig. 6 is an oil path diagram of the second swing cylinder and the third swing cylinder according to the embodiment of the present invention;
fig. 7 is a structural view of a suction apparatus according to an embodiment of the present invention.
Description of the reference numerals:
1. a suction tube;
2. a connecting member;
3. hinging a shaft;
4. a fourth mechanical arm;
5. a fourth mechanical arm oil cylinder;
6. a third mechanical arm;
7. a third mechanical arm oil cylinder;
8. a second mechanical arm;
9. a second mechanical arm oil cylinder;
10. a first robot arm;
11. a first mechanical arm cylinder;
12. a swivel arm;
13. a suction hose;
14. a first swing cylinder;
15. an oil pump;
16. an oil tank;
17. a main overflow valve;
18. a three-position four-way electromagnetic directional valve;
19. a throttle valve;
20. a two-position three-way electromagnetic directional valve;
21. a two-position four-way electromagnetic directional valve;
22. a second swing cylinder;
23. a third swing cylinder;
24. a first swing mechanism;
25. a filter screen;
26. a caster wheel;
27. a second swing mechanism;
28. moving the chassis;
29. a material collecting box.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
The utility model provides a suction arm which is used for sucking materials accumulated on the ground into a material collecting box 29 to play a role in cleaning the materials, particularly can follow the terrain during suction operation, has higher operation efficiency and stronger working condition adaptability, and can be suitable for the terrain around a railway.
Referring to fig. 1, in a specific embodiment, the suction arm includes an arm support, a suction hose 13 and a suction device, and the arm support is used for moving the suction device so that the suction device can move above a material to be cleaned; the suction hose 13 is used for conveying the sucked materials, particularly conveying the materials sucked by the suction device into the material collecting box 29, is made of soft materials, and can be bent along with the movement of the arm support; the suction device is a guide mechanism for the material to be sucked, and by aligning the suction device with the material, the material can be guided to be sucked into the suction hose 13 and then conveyed into the material collection box 29 through the suction hose 13.
The suction device comprises a suction tube 1, wherein the suction tube 1 is made of hard materials, can be made of hard plastics, and can also be made of metals such as iron, stainless steel and the like. One end of the suction tube 1 is a feeding hole, namely a suction hole, the other end of the suction tube 1 is a discharge hole, and the suction hose 13 is connected with the discharge hole of the suction tube 1. The suction tube 1 may be cylindrical, but in order to improve the suction efficiency, in a preferred embodiment, the suction tube 1 is tapered, and the feed inlet of the suction tube 1 is larger than the discharge outlet of the suction tube 1, so that the feed inlet of the suction tube 1 can cover a larger area at a time, and more material can be cleaned at a time.
If the suction arm is used for cleaning the periphery of a rail, dust such as coal dust is mainly sucked, and the suction tube 1 and the suction hose 13 are prevented from being blocked by sucking large stones, please refer to fig. 4, therefore, in a further embodiment, the feed inlet of the suction tube 1 is provided with a filter screen 25, and filter screens with different apertures can be selected according to requirements.
The suction tube 1 is hinged to one end of the arm support, so that the suction tube 1 can turn over relative to the arm support along with the terrain, the suction tube 1 can be connected with one end of the arm support through a ball bearing, the suction tube 1 can turn over relative to the arm support along the spherical surface of a ball head of the ball bearing by means of the self weight, please refer to fig. 3, in another embodiment, the suction tube 1 is provided with a connecting piece 2, one end of the connecting piece 2 is fixedly connected with the suction tube 1, the other end of the connecting piece 2 is hinged to one end of the arm support through a hinged shaft 3, the suction tube 1 can turn over along the circumferential direction of the side wall of the hinged shaft 3 by means of the self weight, namely, the turning mode of the suction tube 1 is a pendulum type turning mode, so that the terrain following is realized.
In order to enable the suction tube 1 to perform pendulum type overturning in more directions under the condition that the suction tube 1 is hinged to the arm support through the connecting piece 2 and the hinge shaft 3, in a further embodiment, one end of the arm support is provided with a first rotating mechanism 24, the suction tube 1 is hinged to the first rotating mechanism 24, the first rotating mechanism 24 is used for driving the suction tube 1 to rotate, and the suction hose 13 penetrates through the first rotating mechanism 24 and is connected with a discharge port of the suction tube 1. Specifically, the first slewing mechanism 24 includes a slewing drive mechanism, a slewing bearing seat and a slewing bearing, the slewing bearing seat is arranged at one end of the arm support, the slewing bearing is rotatably arranged at the slewing bearing seat, the suction tube 1 is hinged at the slewing bearing, and the slewing drive mechanism is connected with a rotating shaft of the slewing bearing so as to drive the slewing bearing to rotate.
In order to make the suction device perform terrain following type suction operation, the suction tube 1 can move along the ground more conveniently, in a further embodiment, the periphery of the discharge port of the suction tube 1 is provided with a caster 26, the caster 26 can be provided with a plurality of casters, and the caster 26 can be a universal wheel.
In order to assist the suction tube 1 in terrain following, in a further embodiment, a first swing cylinder 14 is arranged at the side of the hinge shaft 3, the first swing cylinder 14 is hinged with the arm support, a piston rod of the first swing cylinder 14 is hinged with the suction tube 1, and when a first slewing mechanism 24 is arranged, the first swing cylinder 14 is hinged with a slewing bearing of the first slewing mechanism 24. The oil port of the rod cavity of the first swing oil cylinder 14 is communicated with the oil port of the rodless cavity, when the suction tube 1 is turned, oil moves back and forth between the rod cavity and the rodless cavity of the first swing oil cylinder 14, and the piston rod of the first swing oil cylinder 14 correspondingly shortens or extends.
If the suction device is located on the slope surface of the ascending slope, the first rotating mechanism 24 rotates to enable the first swing cylinder 14 and the hinge shaft 3 to be sequentially arranged along the ascending slope direction, at the moment, the suction device is under the action of self gravity, the suction tube 1 is turned over, specifically, one side of the suction tube 1, which is hinged to the first swing cylinder 14, is turned over under the self gravity, one side of the suction tube 1, which is not hinged to the first swing cylinder 14, is turned over under the slope thrust, a piston rod of the first swing cylinder 14 is pulled down (namely extended), and oil in a rod cavity of the first swing cylinder 14 is extruded and conveyed to a rodless cavity of the first swing cylinder 14.
If the suction device is located on a downhill slope, the first rotating mechanism 24 rotates to sequentially form the first swing cylinder 14 and the hinge shaft 3 along the direction of the downhill slope, at this time, under the action of self gravity, the suction tube 1 is turned over, specifically, one side of the suction tube 1, which is hinged to the first swing cylinder 14, is turned up by the slope thrust, one side of the suction tube 1, which is not hinged to the first swing cylinder 14, is turned down by self gravity, a piston rod of the first swing cylinder 14 is pushed up (i.e., shortened), and oil in a rodless cavity of the first swing cylinder 14 is extruded and conveyed to a rod cavity of the first swing cylinder 14.
The arrangement enables the first swing cylinder 14 to adaptively extend or shorten along with the overturning of the suction tube 1, namely the suction tube 1 overturns along with the terrain, and in order to artificially control the overturning of the suction tube 1 according to the requirements of users, an oil supply mechanism is further included in a further embodiment; an oil path communicated with an oil port of the rod cavity and an oil port of the rodless cavity of the first swing oil cylinder 14 is a first oil path, and the first oil path is provided with a first control valve for controlling the opening or the disconnection of the first oil path; the oil supply mechanism is used for supplying oil to the first swing oil cylinder 14 when the first oil path is disconnected, so as to drive a piston rod of the first swing oil cylinder 14 to extend or shorten. When the suction tube 1 is required to turn over along with the terrain, the first oil way is opened, the oil supply mechanism is not opened, when the suction tube 1 is required to be controlled to turn over, the first oil way is disconnected, the oil supply mechanism is opened, and the extension or the shortening of the piston rod of the first swing oil cylinder 14 is controlled according to requirements.
Referring to fig. 5, in a further embodiment, the oil supply mechanism includes an oil pump 15, an oil tank 16, a two-position three-way electromagnetic directional valve 20, and a three-position four-way electromagnetic directional valve 18; an oil port of a rodless cavity of the first swing oil cylinder 14 is connected with an A port of the two-position three-way electromagnetic directional valve 20, an oil port of a rod cavity of the first swing oil cylinder 14 is connected with an R port of the two-position three-way electromagnetic directional valve 20, and a P port of the two-position three-way electromagnetic directional valve 20 is connected with an oil inlet of the oil tank 16; an oil port of a rod cavity and an oil port of a rodless cavity of the first swing oil cylinder 14 are respectively connected with a port P and a port R of the three-position four-way electromagnetic directional valve 18, and a port A and a port B of the three-position four-way electromagnetic directional valve 18 are respectively connected with an oil outlet of the oil pump 15 and an oil inlet of the oil tank 16.
The working principle of this embodiment is as follows:
1. when the two-position three-way electromagnetic directional valve 20(Y5) is not electrified, the Y1 and the Y2 of the three-position four-way electromagnetic directional valve 18 are electrified, and the sweeping device can be controlled to swing left and right.
2. When the two-position three-way electromagnetic directional valve 20(Y5) is electrified and the three-position four-way electromagnetic directional valve 18 is not electrified, the cleaning device can swing left and right along with the terrain.
In a further embodiment, the oil supply mechanism further comprises a main overflow valve 17 and a throttle valve 19.
In another embodiment, a second swing oil cylinder 22 and a third swing oil cylinder 23 are symmetrically arranged on two sides of the hinge shaft 3, the second swing oil cylinder 22 and the third swing oil cylinder 23 are both hinged with the arm support, and a piston rod of the second swing oil cylinder 22 and a piston rod of the third swing oil cylinder 23 are both hinged with the suction tube 1; an oil port of the second swing oil cylinder 22 is communicated with an oil port of the third swing oil cylinder 23, when the suction tube 1 is turned over, oil liquid flows back and forth between the second swing oil cylinder 22 and the third swing oil cylinder 23, and the extension direction of a piston rod of the second swing oil cylinder 22 is opposite to the extension direction of a piston rod of the third swing oil cylinder 23.
The second swing oil cylinder 22 can be provided with a return mechanism in a rod cavity or a rodless cavity, the third swing oil cylinder 23 can be provided with a return mechanism in a rod cavity or a rodless cavity, and at the moment, an oil port of a cavity of the second swing oil cylinder 22, which is not provided with the return mechanism, is connected with an oil port of a cavity of the third swing oil cylinder 23, which is not provided with the return mechanism; the second swing cylinder 22 may have no return mechanism in the rod cavity and the rodless cavity, the third swing cylinder 23 may have no return mechanism in the rod cavity and the rodless cavity, at this time, the oil port of the rod cavity of the second swing cylinder 22 is communicated with the oil port of the rodless cavity of the third swing cylinder 23, and the oil port of the rodless cavity of the second swing cylinder 22 is communicated with the oil port of the rod cavity of the third swing cylinder 23.
Referring to fig. 1, if the suction device is located on an ascending slope, the first rotating mechanism 24 rotates to sequentially include the second swing cylinder 22, the hinge shaft 3, and the third swing cylinder 23 along the ascending direction, at this time, the suction device turns over the suction tube 1 under the action of its own gravity, specifically, one side of the suction tube 1 hinged to the second swing cylinder 22 turns over downward under its own gravity, one side of the suction tube 1 hinged to the third swing cylinder 23 turns over upward under the slope thrust, a piston rod of the second swing cylinder 22 is pulled downward (i.e., extended), and a piston rod of the third swing cylinder 23 is pulled downward (i.e., shortened).
Referring to fig. 2, if the suction device is located on a downhill slope, the first rotating mechanism 24 rotates to sequentially form the second swing cylinder 22, the hinge shaft 3, and the third swing cylinder 23 along the downhill direction, at this time, the suction device turns over the suction tube 1 under the action of its own gravity, specifically, one side of the suction tube 1 hinged to the second swing cylinder 22 is turned up by the slope thrust, one side of the suction tube 1 hinged to the third swing cylinder 23 is turned down by its own gravity, a piston rod of the second swing cylinder 22 is pushed up (i.e., shortened), and a piston rod of the third swing cylinder 23 is pushed up (i.e., extended).
The arrangement enables the first swing cylinder 14 to adaptively extend or shorten along with the overturning of the suction tube 1, namely the suction tube 1 overturns along with the terrain, and in order to artificially control the overturning of the suction tube 1 according to the requirements of users, an oil supply mechanism is further included in a further embodiment; an oil passage communicated with an oil port of the second swing oil cylinder 22 and an oil port of the third swing oil cylinder 23 is a second oil passage, and the second oil passage is provided with a second control valve for controlling the opening or the disconnection of the second oil passage; and the oil supply mechanism is used for supplying oil to the second swing oil cylinder 22 and the third swing oil cylinder 23 when the second oil path is disconnected so as to drive the extension direction of the piston rod of the second swing oil cylinder 22 to be opposite to the extension direction of the piston rod of the third swing oil cylinder 23.
Referring to fig. 6, in a further embodiment, the oil supply mechanism includes an oil pump 15, an oil tank 16, two-position three-way electromagnetic directional valves 20, two-position four-way electromagnetic directional valves 21, and two three-position four-way electromagnetic directional valves 18; for convenience of description, hereinafter, the two-position four-way electromagnetic directional valves 21 are respectively named as a second two-position four-way electromagnetic directional valve 21 and a third two-position four-way electromagnetic directional valve 21, and the two three-position four-way electromagnetic directional valves 18 are respectively named as a second three-position four-way electromagnetic directional valve 18 and a third three-position four-way electromagnetic directional valve 18.
A rod cavity and a rodless cavity of the second swing oil cylinder 22 are respectively connected with a port P and a port R of the second two-position four-way electromagnetic directional valve 21, a port A and a port B of the second two-position four-way electromagnetic directional valve 21 are respectively connected with a port P and a port R of the second three-position four-way electromagnetic directional valve 18, a port A of the second three-position four-way electromagnetic directional valve 18 is connected with an oil outlet of the oil pump 15, and a port B of the second three-position four-way electromagnetic directional valve 18 is connected with an oil inlet of the oil tank 16; similarly, a rod cavity and a rodless cavity of the third swing oil cylinder 23 are respectively connected with a port P and a port R of the third two-position four-way electromagnetic directional valve 21, a port a and a port B of the third two-position four-way electromagnetic directional valve 21 are respectively connected with a port P and a port R of the third three-position four-way electromagnetic directional valve 18, a port a of the third three-position four-way electromagnetic directional valve 18 is connected with an oil outlet of the oil pump 15, and a port B of the third three-position four-way electromagnetic directional valve 18 is connected with an oil inlet of the oil tank 16; an oil way for connecting the port B of the second two-position four-way electromagnetic directional valve 21 with the port R of the second three-position four-way electromagnetic directional valve 18 is connected with the port A of the two-position three-way electromagnetic directional valve 20; an oil way for connecting the port B of the third two-position four-way electromagnetic directional valve 21 with the port R of the third three-position four-way electromagnetic directional valve 18 is connected with the port R of the two-position three-way electromagnetic directional valve 20; the port P of the two-position three-way electromagnetic directional valve 20 is connected with the oil tank 16.
An oil port of a rodless cavity of the first swing oil cylinder 14 is connected with an A port of the two-position three-way electromagnetic directional valve 20, an oil port of a rod cavity of the first swing oil cylinder 14 is connected with an R port of the two-position three-way electromagnetic directional valve 20, and a P port of the two-position three-way electromagnetic directional valve 20 is connected with an oil inlet of the oil tank 16; an oil port of a rod cavity and an oil port of a rodless cavity of the first swing oil cylinder 14 are respectively connected with a port P and a port R of the three-position four-way electromagnetic directional valve 18, and a port A and a port B of the three-position four-way electromagnetic directional valve 18 are respectively connected with an oil outlet of the oil pump 15 and an oil inlet of the oil tank 16.
The working principle of this embodiment:
1. when the two-position three-way electromagnetic reversing valve 20 and the two-position four-way electromagnetic reversing valve 21(Y5, Y6 and Y7) are not powered, Y1 and Y4 (or Y2 and Y3) of the three-position four-way electromagnetic reversing valve 18 are powered, and the sweeping device can be controlled to swing left and right.
2. When the two-position three-way electromagnetic directional valve 20 and the two-position four-way electromagnetic directional valve 21(Y5, Y6 and Y7) are powered and the three-position four-way electromagnetic directional valve 18 is not powered, the cleaning device can swing left and right along with the terrain.
In a further embodiment, the oil supply mechanism further comprises a main overflow valve 17 and a throttle valve 19.
Referring to fig. 7, the suction arm is mounted on the moving chassis 28, which may be a wheel-type chassis, a crawler-type chassis, or a track-type chassis, and the suction arm is connected to the moving chassis 28 through a second swing mechanism 27, where the second swing mechanism 27 is disposed at an end of the arm support away from the suction tube 1 for driving the arm support to rotate. The second swing mechanism 27 may also include a swing driving mechanism, a swing support seat and a swing support, the swing support seat is disposed at the mobile chassis 28, the swing support is rotatably disposed at the swing support seat, one end of the boom far from the suction tube 1 is connected to the swing support seat, and the swing driving mechanism is connected to a rotation shaft of the swing support to drive the swing support to rotate.
In a further embodiment, the arm support comprises a plurality of mechanical arm assemblies, the mechanical arm assemblies are sequentially hinged, the number of the mechanical arm assemblies can be three or four, and the mechanical arm assemblies can be combined according to the requirements of actual working conditions and operation ranges. The mechanical arm assembly comprises a mechanical arm and a mechanical arm driving mechanism, and the mechanical arm driving mechanism can be an oil cylinder or an air cylinder and the like.
Referring to fig. 1, if the number of the arm assemblies is three, the arm assemblies include a first arm 10, a first arm cylinder 11, a second arm 8, a second arm cylinder 9, a third arm 6, and a third arm cylinder 7; the slewing bearing, the first mechanical arm 10, the second mechanical arm 8 and the third mechanical arm 6 are sequentially hinged, the first mechanical arm oil cylinder 11 is used for driving the first mechanical arm 10 to overturn relative to the slewing bearing, the second mechanical arm oil cylinder 9 is used for driving the second mechanical arm 8 to overturn relative to the first mechanical arm 10, and the third mechanical arm oil cylinder 7 is used for driving the third mechanical arm 6 to overturn relative to the second mechanical arm 8.
Referring to fig. 2, if the number of the arm assemblies is four, the arm assemblies include a first arm 10, a first arm cylinder 11, a second arm 8, a second arm cylinder 9, a third arm 6, a third arm cylinder 7, a fourth arm 4, and a fourth arm cylinder 5; the slewing bearing, the first mechanical arm 10, the second mechanical arm 8, the third mechanical arm 6 and the fourth mechanical arm 4 are sequentially hinged, the first mechanical arm oil cylinder 11 is used for driving the first mechanical arm 10 to overturn relative to the slewing bearing, the second mechanical arm oil cylinder 9 is used for driving the second mechanical arm 8 to overturn relative to the first mechanical arm 10, the third mechanical arm oil cylinder 7 is used for driving the third mechanical arm 6 to overturn relative to the second mechanical arm 8, and the fourth mechanical arm oil cylinder 5 is used for driving the fourth mechanical arm 4 to overturn relative to the third mechanical arm 6.
In a further embodiment, a swivel arm 12 is included, the swivel arm 12 being provided at the swivel support of the second swivel mechanism 27, the first robot arm being hinged at the swivel arm 12.
It should be noted that, although the above embodiments have been described herein, the utility model is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.
Claims (10)
1. A suction arm is characterized by comprising an arm support, a suction hose and a suction device;
the suction device comprises a suction tube, and the suction tube is hinged to one end of the arm support so as to enable the suction tube to overturn relative to the arm support along with the terrain; the suction hose is connected with the discharge hole of the suction tube.
2. The suction arm as claimed in claim 1, wherein the suction tube is provided with a connecting piece, and the connecting piece is hinged with one end of the arm support through a hinge shaft.
3. The suction arm as claimed in claim 2, wherein a first swing cylinder is provided at a side of the hinge shaft, the first swing cylinder is hinged to the arm support, and a piston rod of the first swing cylinder is hinged to the suction tube; the oil port of the rod cavity of the first swing oil cylinder is communicated with the oil port of the rodless cavity, when the suction tube is turned, oil liquid moves back and forth between the rod cavity and the rodless cavity of the first swing oil cylinder, and the piston rod of the first swing oil cylinder correspondingly shortens or extends.
4. The suction arm as claimed in claim 3, further comprising an oil supply mechanism; an oil way communicated with an oil port of a rod cavity and an oil port of a rodless cavity of the first swing oil cylinder is a first oil way, and the first oil way is provided with a first control valve for controlling the opening or the disconnection of the first oil way; and the oil supply mechanism is used for supplying oil to the first swing oil cylinder when the first oil way is disconnected so as to drive a piston rod of the first swing oil cylinder to extend or shorten.
5. The suction arm as claimed in claim 2, wherein a second swing cylinder and a third swing cylinder are symmetrically arranged on both sides of the hinge shaft, the second swing cylinder and the third swing cylinder are both hinged to the arm support, and a piston rod of the second swing cylinder and a piston rod of the third swing cylinder are both hinged to the suction tube; an oil port of the second swing oil cylinder is communicated with an oil port of the third swing oil cylinder, when the suction tube is turned, oil liquid moves to and fro between the second swing oil cylinder and the third swing oil cylinder, and the telescopic direction of a piston rod of the second swing oil cylinder is opposite to that of a piston rod of the third swing oil cylinder.
6. The suction arm as claimed in claim 5, further comprising an oil supply mechanism; an oil passage communicated with an oil port of the second swing oil cylinder and an oil port of the third swing oil cylinder is a second oil passage, and the second oil passage is provided with a second control valve for controlling the opening or the disconnection of the second oil passage; and the oil supply mechanism is used for supplying oil to the second swing oil cylinder and the third swing oil cylinder when the second oil way is disconnected so as to drive the extension direction of the piston rod of the second swing oil cylinder to be opposite to the extension direction of the piston rod of the third swing oil cylinder.
7. The suction arm as claimed in claim 1, wherein a first rotating mechanism is provided at one end of the arm support, the suction tube is hinged to the first rotating mechanism, the first rotating mechanism is used for driving the suction tube to rotate, and the suction hose passes through the first rotating mechanism and is connected with the discharge port of the suction tube.
8. The suction arm as claimed in claim 1, wherein the suction cylinder is tapered and the inlet opening of the suction cylinder is larger than the outlet opening of the suction cylinder.
9. The suction arm as claimed in claim 1, wherein a filter screen is provided at the feed inlet of the suction canister.
10. The suction arm as claimed in claim 1, wherein casters are provided around the discharge opening of the suction canister.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121003470.5U CN216892202U (en) | 2021-05-10 | 2021-05-10 | Suction arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121003470.5U CN216892202U (en) | 2021-05-10 | 2021-05-10 | Suction arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216892202U true CN216892202U (en) | 2022-07-05 |
Family
ID=82179483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121003470.5U Active CN216892202U (en) | 2021-05-10 | 2021-05-10 | Suction arm |
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2021
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