CN110921591A - Leveling system with insulating and anti-tipping functions - Google Patents
Leveling system with insulating and anti-tipping functions Download PDFInfo
- Publication number
- CN110921591A CN110921591A CN201911375072.3A CN201911375072A CN110921591A CN 110921591 A CN110921591 A CN 110921591A CN 201911375072 A CN201911375072 A CN 201911375072A CN 110921591 A CN110921591 A CN 110921591A
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- arm
- insulation
- leveling
- gear
- connecting piece
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- 238000009413 insulation Methods 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/044—Working platforms suspended from booms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a leveling system with insulation and anti-tipping functions, which comprises a lower arm hinged at the top of a rotary table, wherein a lower leveling cylinder group is hinged between the lower arm and the rotary table, the lower arm is hinged with an insulation arm, an insulation arm hydraulic cylinder is hinged between the lower arm and the insulation arm, the insulation arm is provided with a pre-tightening guide device and is rotatably connected with a lower gear, the outer end surface of the lower gear is hinged with the lower arm through an upper leveling cylinder, one end of the insulation arm far away from the lower arm is rotatably connected with an upper gear, the outer end surface of the upper gear is fixed with an operation platform, a second chain is meshed on the lower gear, two ends of the second chain respectively bypass a guide wheel on the pre-tightening guide device and then are connected with a first connecting piece and a second connecting piece, a first chain is meshed on the upper gear, two ends of the first chain are respectively connected with the first connecting piece and the second, and the transmission gear is engaged and pre-tightened to eliminate the clearance, so that the front and the back of the operation platform can be effectively prevented from tipping.
Description
Technical Field
The invention relates to the field of an anti-tipping leveling system of an insulation vehicle, in particular to a leveling system with insulation and anti-tipping functions.
Background
With the rapid development of economic construction in China, the requirement on the reliability of the operation of a power network is continuously improved, and the insulating type aerial work platform is used as important guarantee equipment for live-line uninterrupted emergency repair work and has the advantages of convenience in lifting off, good electrical insulating property and the like. In order to ensure the insulating property of the operation platform, conductors cannot exist in an insulating arm of the connecting platform, so that the existing leveling mode of combining a steel wire rope or a plate-type chain and a roller and the leveling mode of a balance connecting rod cannot meet the insulating requirement of a leveling system.
At present, an electric control leveling mode adopting insulation optical fibers or wireless conduction is adopted, an inclination angle sensor is required to detect the inclination angle of a platform and then the platform is controlled by a controller, the leveling process needs frequent comparison and platform angle correction, the problem of platform shaking is inevitably caused, and the actual effect is generally poor.
At present, in the existing master-slave oil cylinder type hydraulic leveling system, an insulating rubber pipe and insulating hydraulic oil are adopted in an insulating arm section of a connecting platform, so that the insulation and leveling of a straight arm type working platform are realized. The hydraulic leveling mode is rarely used on a working platform with a folding arm independently, more than 4 leveling oil cylinders are required to be arranged, the arm support structure is seriously influenced, and therefore, the hydraulic leveling mode has no use value.
At present, the leveling system of a product with a folding arm adopts the electric control leveling mode, an upper arm generally adopts a master-slave oil cylinder type hydraulic leveling system, a lower arm is of a parallelogram connecting rod structure, and a balance bracket is required to be arranged between the upper arm and the lower arm, so that the product is very heavy. The product adopting the combined leveling mode has overlarge integral height if the upper arm and the lower arm are arranged side by side up and down, so that the product is generally arranged side by side left and right. The upper arm and the lower arm are arranged side by side left and right, so that the offset load of the operation platform relative to the lower arm is caused, the operation platform is easy to skew, and the leveling effect is influenced.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide a leveling system with insulation and anti-tipping functions, which levels in a mode of two groups of hydraulic cylinders, is engaged with a transmission gear and pre-tightened to eliminate a gap, and can effectively ensure that the front and back directions of an operation platform are not tipped.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a leveling system with insulation and anti-tipping functions, which comprises a lower arm hinged at the top of a rotary table, wherein a lower leveling cylinder group is hinged between the lower arm and the rotary table, an insulation arm is hinged at one end of the lower arm far away from the rotary table, an insulation arm hydraulic cylinder is hinged between the lower arm and the insulation arm, a pre-tightening guide device is arranged at one end of the insulation arm close to the lower arm and is rotatably connected with a lower gear, a first supporting rod is fixed at the center of the outer end surface of the lower gear, one end of the first supporting rod far away from the insulation arm is hinged with the lower arm through an upper leveling cylinder, one end of the insulation arm far away from the lower arm is rotatably connected with an upper gear, the center of the outer end surface of the upper gear is fixed with a working platform through a second supporting rod, a second chain is meshed on the lower gear, two ends of the second chain respectively bypass two guide wheels on the pre-tightening guide device, the upper gear is engaged with a first chain, and two ends of the first chain are respectively connected with a first connecting piece and a second connecting piece.
Preferably, the pre-tightening guide device comprises a pre-tightening guide frame fixed on the insulating arm, two bolt rods arranged in parallel up and down are connected to the pre-tightening guide frame in a sliding mode, two ends of each bolt rod are connected together in a rotating mode through a strip-shaped plate respectively, two ends of each upper bolt rod are connected with one pre-tightening rod in a threaded mode respectively, the two pre-tightening rods are connected with the pre-tightening guide frame in a threaded mode respectively, locking nuts are arranged at two ends of each lower bolt rod, and the guide wheels are arranged in the middle of the bolt rods.
Preferably, the pre-tightening guide frame comprises two vertical plates fixed on the insulating arm, the two vertical plates are fixedly connected together through a bolt support plate, and strip-shaped adjusting holes for sliding of a bolt rod are formed in the vertical plates.
Preferably, the first connecting piece and the second connecting piece are one of a rod piece or an insulating rope with insulating property.
Preferably, one end of the insulating arm close to the upper gear is provided with a front guide wheel for supporting the first chain.
Preferably, a current detection interface is arranged on the lower arm and is respectively connected with the tail end of the first connecting piece and the tail end of the second connecting piece through cables.
Preferably, the lower leveling cylinder group comprises a small leveling cylinder and a large leveling cylinder which are arranged in parallel up and down.
The invention has the beneficial effects that: leveling is carried out in a mode of two groups of hydraulic cylinders, meshing is carried out by matching with transmission teeth, and gaps are eliminated by pre-tightening, so that the front and back directions of the operation platform can be effectively prevented from tipping, the first connecting piece and the second connecting piece which affect the insulating arm section adopt insulating rod pieces or insulating ropes, the tail ends of the insulating rod ropes are connected by cables and are led to a lower arm current detection interface, the leakage current of the leveling system can be collected and detected, and the insulation and reliability of the leveling system are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a leveling system with insulation and anti-tipping functions according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a pretensioning guiding device according to an embodiment of the present invention.
Description of reference numerals:
1. the device comprises an upper gear, 2, a first chain, 3, an insulating arm, 4, a first connecting piece, 5, a lower leveling cylinder group, 6, a second connecting piece, 7, an adjusting hole, 8, a pre-tightening guide device, 9, a pre-tightening rod, 10, a second chain, 11, a lower gear, 12, an upper leveling cylinder, 13, a cable, 14, a current detection interface, 15, a lower arm, 16, a front guide wheel, 17, a working platform, 18, a locking nut, 19, a strip-shaped plate, 20, a bolt rod, 21 and a bolt support plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a leveling system with insulation and anti-tipping functions comprises a lower arm 15 hinged at the top of a rotary table, a lower leveling cylinder group 5 is hinged between the lower arm 15 and the rotary table, an insulation arm 3 is hinged at one end, far away from the rotary table, of the lower arm 15, an insulation arm hydraulic cylinder is hinged between the lower arm 15 and the insulation arm 3, one end, close to the lower arm 15, of the insulation arm 3 is provided with a pre-tightening guide device 8 and is rotatably connected with a lower gear 11, a first supporting rod is fixed at the center of the outer end face of the lower gear 11, one end, far away from the insulation arm 3, of the first supporting rod is hinged with the lower arm 15 through an upper leveling cylinder 12, one end, far away from the lower arm 15, of the insulation arm 3 is rotatably connected with an upper gear 1, the center of the outer end face of the upper gear 1 is fixed with a working platform 17 through a second supporting rod, a second chain 10 is meshed on the lower gear 11, and two ends The gear transmission mechanism comprises a first connecting piece 4 and a second connecting piece 6, wherein a first chain 2 is meshed on the upper gear 1, and two ends of the first chain 2 are respectively connected with the first connecting piece 4 and the second connecting piece 6.
As shown in fig. 2, the pre-tightening guide device 8 includes a pre-tightening guide frame fixed on the insulating arm 3, two bolt rods 20 arranged in parallel up and down are slidably connected to the pre-tightening guide frame, two ends of the two bolt rods 20 are respectively rotatably connected together through a strip-shaped plate 19, two ends of the upper bolt rod 20 are respectively in threaded connection with a pre-tightening rod 9, the two pre-tightening rods 9 are respectively in threaded connection with the pre-tightening guide frame, two ends of the lower bolt rod 20 are both provided with lock nuts 18, and the guide wheel is arranged in the middle of the bolt rod 20.
The pre-tightening guide frame comprises two vertical plates fixed on the insulating arm 3, the vertical plates are fixedly connected together through a bolt support plate 21, and strip-shaped adjusting holes 7 for sliding of bolt rods are formed in the vertical plates.
The first connecting piece 4 and the second connecting piece 6 are one of rod pieces or insulating ropes with insulating performance.
One end of the insulating arm 3 close to the upper gear 1 is provided with a front guide pulley 16 for supporting the first chain 2.
And a current detection interface 14 is arranged on the lower arm 15, and the current detection interface 14 is respectively connected with the tail end of the first connecting piece 4 and the tail end of the second connecting piece 6 through cables 13.
The lower leveling cylinder group 5 comprises a small leveling cylinder and a large leveling cylinder which are arranged in parallel up and down.
When the insulating arm 3 changes the amplitude, the lower gear 11 is coaxial with the hinge point of the insulating arm 3 and supported by the upper leveling cylinder 12, and does not rotate along with the amplitude of the insulating arm 3, the upper gear 1 and the lower gear 11 are meshed through the transmission teeth and are pre-tightened to eliminate the gap, and only synchronously rotate along with the lower gear 11 and are not influenced by the amplitude of the insulating arm 3, so that leveling is realized.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The leveling system with the insulation and anti-tipping functions is characterized by comprising a lower arm (15) hinged to the top of a rotary table, a lower leveling cylinder group (5) is hinged between the lower arm (15) and the rotary table, an insulation arm (3) is hinged to one end, away from the rotary table, of the lower arm (15), an insulation arm hydraulic cylinder is hinged between the lower arm (15) and the insulation arm (3), a pre-tightening guide device (8) is arranged at one end, close to the lower arm (15), of the insulation arm (3) and is rotatably connected with a lower gear (11), a first supporting rod is fixed at the center of the outer end face of the lower gear (11), one end, away from the insulation arm (3), of the first supporting rod is hinged to the lower arm (15) through an upper leveling cylinder (12), one end, away from the lower arm (15), of the insulation arm (3) is rotatably connected with an upper gear (1), the center of the outer end face of the upper gear (1) is fixed with an operation platform (17) through, lower gear (11) go up the meshing have second chain (10), connect first connecting piece (4) and second connecting piece (6) that have insulating property behind two leading wheels on pretension guider (8) are walked around respectively to the both ends of second chain (10), go up the meshing on gear (1) and have first chain (2), first connecting piece (4) and second connecting piece (6) are connected respectively to the both ends of first chain (2).
2. The leveling system with the insulation and anti-rollover functions as recited in claim 1, wherein the pre-tightening guide device (8) comprises a pre-tightening guide frame fixed on the insulation arm (3), two bolt rods (20) arranged in parallel up and down are slidably connected on the pre-tightening guide frame, two ends of the two bolt rods (20) are respectively rotatably connected together through a strip-shaped plate (19), two ends of the upper bolt rod (20) are respectively in threaded connection with one pre-tightening rod (9), two pre-tightening rods (9) are respectively in threaded connection with the pre-tightening guide frame, two ends of the lower bolt rod (20) are respectively provided with a locking nut (18), and the guide wheel is arranged in the middle of the bolt rods (20).
3. The leveling system with insulation and anti-tipping functions as claimed in claim 1, wherein the pre-tightening guide frame comprises two vertical plates fixed on the insulation arm (3), the two vertical plates are fixedly connected together through bolt support plates (21), and strip-shaped adjusting holes (7) for sliding of bolt rods are formed in the vertical plates.
4. The leveling system with insulation and anti-rollover functions as recited in claim 1, wherein the first connecting member (4) and the second connecting member (6) are one of rods or insulating ropes with insulation performance.
5. A levelling system with insulating and anti-tipping function as claimed in claim 1, characterized in that the end of the insulating arm (3) close to the upper gear wheel (1) is provided with a front guide wheel (16) for supporting the first chain (2).
6. The leveling system with insulation and anti-tipping functions as claimed in claim 1, wherein the lower arm (15) is provided with a current detection interface (14), and the current detection interface (14) is respectively connected with the tail end of the first connecting piece (4) and the tail end of the second connecting piece (6) through cables (13).
7. The leveling system with insulation and anti-rollover functions as recited in claim 1, wherein the lower leveling cylinder group (5) comprises a small leveling cylinder and a large leveling cylinder which are arranged in parallel up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375072.3A CN110921591A (en) | 2019-12-27 | 2019-12-27 | Leveling system with insulating and anti-tipping functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375072.3A CN110921591A (en) | 2019-12-27 | 2019-12-27 | Leveling system with insulating and anti-tipping functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110921591A true CN110921591A (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911375072.3A Pending CN110921591A (en) | 2019-12-27 | 2019-12-27 | Leveling system with insulating and anti-tipping functions |
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| Country | Link |
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| CN (1) | CN110921591A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116076244A (en) * | 2022-12-29 | 2023-05-09 | 青岛隆硕农牧机械制造有限公司 | Foldable chain plate type harvester |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5016731A (en) * | 1987-04-08 | 1991-05-21 | Hi-Ranger, Inc. | Articulated boom including tensioning apparatus |
| JP2002205898A (en) * | 2001-01-05 | 2002-07-23 | Aichi Corp | Boom structure of work equipment at height |
| CN102910561A (en) * | 2012-10-31 | 2013-02-06 | 南车四方车辆有限公司 | Aerial work platform and autorail |
| CN206219162U (en) * | 2016-11-01 | 2017-06-06 | 中国人民解放军镇江船艇学院 | A kind of automobile-used working bucket leveling device of engineering first-aid repair |
| CN206592361U (en) * | 2016-12-22 | 2017-10-27 | 徐州海伦哲专用车辆股份有限公司 | Insulation with amplitude limit control valve folds arm high-altitude operation vehicle |
| US20190112172A1 (en) * | 2017-10-18 | 2019-04-18 | Quanta Associates, L.P. | Systems and methods for drying and cleaning an aerial lift electrically insulated boom |
| CN209354600U (en) * | 2019-01-02 | 2019-09-06 | 厦门成天星金属制品有限公司 | A kind of pulley belt retention mechanism |
| CN211619874U (en) * | 2019-12-27 | 2020-10-02 | 徐州海伦哲特种车辆有限公司 | Leveling system with insulating and anti-tipping functions |
-
2019
- 2019-12-27 CN CN201911375072.3A patent/CN110921591A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5016731A (en) * | 1987-04-08 | 1991-05-21 | Hi-Ranger, Inc. | Articulated boom including tensioning apparatus |
| JP2002205898A (en) * | 2001-01-05 | 2002-07-23 | Aichi Corp | Boom structure of work equipment at height |
| CN102910561A (en) * | 2012-10-31 | 2013-02-06 | 南车四方车辆有限公司 | Aerial work platform and autorail |
| CN206219162U (en) * | 2016-11-01 | 2017-06-06 | 中国人民解放军镇江船艇学院 | A kind of automobile-used working bucket leveling device of engineering first-aid repair |
| CN206592361U (en) * | 2016-12-22 | 2017-10-27 | 徐州海伦哲专用车辆股份有限公司 | Insulation with amplitude limit control valve folds arm high-altitude operation vehicle |
| US20190112172A1 (en) * | 2017-10-18 | 2019-04-18 | Quanta Associates, L.P. | Systems and methods for drying and cleaning an aerial lift electrically insulated boom |
| CN209354600U (en) * | 2019-01-02 | 2019-09-06 | 厦门成天星金属制品有限公司 | A kind of pulley belt retention mechanism |
| CN211619874U (en) * | 2019-12-27 | 2020-10-02 | 徐州海伦哲特种车辆有限公司 | Leveling system with insulating and anti-tipping functions |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116076244A (en) * | 2022-12-29 | 2023-05-09 | 青岛隆硕农牧机械制造有限公司 | Foldable chain plate type harvester |
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