CN214527816U - Vertical telescopic arm - Google Patents
Vertical telescopic arm Download PDFInfo
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- CN214527816U CN214527816U CN202120584016.7U CN202120584016U CN214527816U CN 214527816 U CN214527816 U CN 214527816U CN 202120584016 U CN202120584016 U CN 202120584016U CN 214527816 U CN214527816 U CN 214527816U
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 abstract description 3
- 238000012856 packing Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a perpendicular flexible arm, include: the telescopic arm assembly comprises a plurality of telescopic pipes which are sequentially sleeved, and the telescopic pipes can axially extend, retract and slide; the lifting oil cylinder is arranged on the telescopic arm component and directly drives one telescopic pipe to extend and retract; the synchronous retraction assembly is arranged on the telescopic arm assembly and is linked with the plurality of telescopic pipes, and all the telescopic pipes are driven to retract synchronously under the linkage of the synchronous retraction assembly; a plurality of observation windows have been seted up on the telescopic arm subassembly, through the observation window of seting up on the telescopic arm subassembly, the wearing and tearing condition of the synchronous retraction subassembly of observation that can be convenient and change the synchronous retraction subassembly under the condition of not dismantling telescopic arm subassembly have improved product safety in utilization performance, greatly reduced maintenance cost, it is convenient to maintain, has shortened repair time.
Description
Technical Field
The utility model relates to an aerial working device especially relates to a perpendicular flexible arm.
Background
In the field of engineering machinery, aerial work vehicles are widely applied to places such as buildings, municipal works, airports, gardens and the like, and people, tools, materials and the like are conveyed to a specified position by utilizing an aerial work platform, so that work tasks such as construction, installation, maintenance and the like are carried out. At present, the number of sections of vertical telescopic arms on an overhead working truck is large, the structure is compact, and an internal telescopic mechanism mainly adopts a steel wire rope pulley block to realize synchronous telescopic. In the telescopic process of the arm support, the wire rope is broken due to friction with the arm support, a pulley and other parts, and then the wire rope is broken, so that the safe use of a product is seriously influenced. The existing design uses a broken rope detection switch to detect the breakage of a steel wire rope, the arm support needs to be detached when the steel wire rope is replaced, the detection mode is delayed, and the maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a vertical telescopic arm can be at quick replacement wire rope under the condition of not dismantling the cantilever crane.
According to the utility model discloses a vertical telescopic arm of first aspect embodiment includes: the telescopic arm assembly comprises a plurality of telescopic pipes which are sequentially sleeved, and the telescopic pipes can axially extend, retract and slide; the lifting oil cylinder is arranged on the telescopic arm component and directly drives one telescopic pipe to extend and retract; the synchronous retraction assembly is arranged on the telescopic arm assembly and is linked with a plurality of telescopic pipes, and all the telescopic pipes are driven to retract synchronously under the linkage of the synchronous retraction assembly; a plurality of observation windows are arranged on the telescopic arm component, and transparent cover plates are arranged on the observation windows, so that observation and dust prevention can be conveniently realized at any time. The observation window is used for observing the synchronous retraction assembly and facilitating the disassembly of at least part of the parts of the synchronous retraction assembly from the observation window.
According to the utility model discloses vertical telescopic arm has following technological effect at least: the embodiment of the utility model provides a pair of perpendicular flexible arm, lift cylinder only need drive one of them a section of flexible pipe withdrawal, synchronous withdrawal subassembly just can drive all flexible pipe synchronous withdrawals, nevertheless wear and tear easily in the synchronous withdrawal subassembly working process, through the observation window of seting up on flexible arm subassembly, the wearing and tearing condition of the synchronous withdrawal subassembly of observation that can be convenient and change synchronous withdrawal subassembly under the condition of not dismantling flexible arm subassembly, the product safety in utilization can be improved, greatly reduced maintenance cost, it is convenient to maintain, the repair time has been shortened.
According to some embodiments of the present invention, the synchronous retracting component is disposed between any three adjacent telescopic tubes, so as to synchronously retract the telescopic arm component, the synchronous retracting component comprises a steel wire rope, a pulley, an internal connecting component and an external connecting component, the pulley and the internal connecting component are sequentially mounted on the three telescopic tubes which are sequentially adjacent from outside to inside, the steel wire rope is wound on the pulley, and one end of the steel wire rope is connected with the internal connecting component; the wire rope other end is connected outside coupling assembling, the observation window is located arbitrary three adjacent in the flexible pipe in the centre on the flexible pipe to it is adjacent to conveniently expose the inboard flexible pipe on the inside coupling assembling.
According to some embodiments of the present invention, the pulley on the same telescopic tube and the internal connection assembly can be adjacent from the outside simultaneously the observation window on the telescopic tube is observed.
According to the utility model discloses a few embodiments, outside coupling assembling includes the screw rod, the last mounting hole that has seted up of telescopic arm subassembly, screw rod one end with wire rope fixed connection, the screw rod other end passes the mounting hole can be dismantled and be connected with the nut, the nut is used for preventing the screw rod is followed drop in the mounting hole.
According to some embodiments of the utility model, external connection subassembly still includes the packing ring, the packing ring cover is established on the screw rod and be located the nut with between the mounting hole.
According to the utility model discloses a few embodiments, outside coupling assembling still includes the spring, the spring housing is established on the screw rod and be located the packing ring with between the mounting hole, the spring is arranged in the working process shock attenuation.
According to some embodiments of the utility model, telescopic arm subassembly's lateral wall corresponds the pulley is equipped with the confession pulley installation's mounting groove, the pulley embedding is installed in the mounting groove.
According to some embodiments of the utility model, the pulley includes support, wheel, shaft, screw, the shaft is worn to establish the wheel center, the wheel passes through the shaft rotation is installed on the support, the screw passes the support will the support is fixed on the telescopic arm subassembly, the shape of mounting groove with the support matches, the support part imbeds in the mounting groove.
According to the utility model discloses a some embodiments, inside coupling assembling includes that waist shape hole and T type connect, and waist shape hole is seted up on telescopic arm subassembly, and the head demountable installation that T type connects is in waist shape hole, and the afterbody that T type connects links to each other with wire rope is fixed.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of an installation structure of an embodiment of the present invention;
fig. 2 is a schematic view of an observation window according to an embodiment of the present invention;
fig. 3 is a schematic view of an external connection assembly according to an embodiment of the present invention
Figure 4 is a schematic view of a pulley according to an embodiment of the present invention
Fig. 5 is a schematic view of an internal connection assembly according to an embodiment of the present invention;
fig. 6 is a schematic view of a synchronous retraction assembly according to an embodiment of the present invention.
Reference numerals:
the telescopic arm assembly 100, the observation window 101, the transparent cover plate 102, the operation hole 103, the first-stage telescopic pipe 110, the second-stage telescopic pipe 120, the third-stage telescopic pipe 130, the mounting hole 140 and the mounting groove 150;
a lifting cylinder 200;
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 6, the utility model discloses a vertical telescopic arm, include: the telescopic arm assembly 100 comprises a plurality of telescopic pipes which are sequentially sleeved and the external dimensions of which are sequentially reduced from outside to inside, the telescopic pipes are connected in a sliding manner through linear guide rails, and the telescopic pipes can axially extend and slide in an extending manner; the lifting oil cylinder 200 is arranged on the telescopic arm assembly 100 and directly drives one telescopic pipe to extend and retract; the synchronous retraction assembly 300 is installed on the telescopic arm assembly 100 and is linked with a plurality of telescopic pipes, when the lifting oil cylinder 200 drives one telescopic pipe to retract, the other telescopic pipes retract synchronously under the driving of the synchronous retraction assembly 300; the telescopic arm assembly 100 is provided with a plurality of observation windows 101, the observation windows 101 are connected with transparent cover plates through bolts, the transparent cover plates can cover the observation windows 101 for dust prevention and observation, and the observation windows 101 are positioned so as to be convenient for observation and disassembly of at least part of parts of the synchronous retraction assembly 300 inside the telescopic arm assembly 100.
The utility model provides a pair of perpendicular flexible arm, lift cylinder 200 only need drive one of them section flexible pipe withdrawal, synchronous withdrawal subassembly 300 just can drive all flexible pipe synchronous withdrawals, and easy wearing and tearing in the synchronous withdrawal subassembly 300 course of work through the observation window 101 of seting up at flexible arm subassembly 100, and the wearing and tearing condition of the synchronous withdrawal subassembly 300 of observation that can be convenient and change synchronous withdrawal subassembly 300 under the condition of not dismantling flexible arm subassembly 100 have shortened the repair time.
In some embodiments of the present invention, the synchronous retracting component 300 is disposed between any three adjacent telescopic tubes, so as to synchronously retract the telescopic arm component 100, the three adjacent telescopic tubes are sequentially called a first-stage telescopic tube 110, a second-stage telescopic tube 120, and a third-stage telescopic tube 130 from outside to inside, the synchronous retracting component 300 includes a steel wire rope 310, a pulley 320, an internal connecting component 330, and an external connecting component 340, the external connecting component 340 is installed on the first-stage telescopic tube 110, the pulley 320 is installed on the second-stage telescopic tube 120, the internal connecting component 330 is installed on the third-stage telescopic tube 130, the steel wire rope 310 is wound on the pulley 320, and one end of the steel wire rope 310 is connected to the internal connecting component 330; the other end of the steel cable 310 is connected with an external connecting component 340. When the lifting cylinder 200 drives the second stage telescopic tube 120 to move downwards, the pulley 320 moves downwards to tighten the steel wire rope 310, and the steel wire rope 310 drives the third stage telescopic tube 130 to move downwards. The observation window 101 is arranged on the middle telescopic tube in any three adjacent telescopic tubes, and the observation window 101 can expose any one or two of the internal connecting component 330 and the pulley 320 on the inner adjacent telescopic tube.
It is contemplated that the observation window 101 is also provided on any outer one of the three adjacent telescoping tubes at the same time to facilitate exposure of the pulley 320 on the middle adjacent telescoping tube.
It is contemplated that in some embodiments there may be more than three telescoping tubes, with a simultaneous retraction assembly 300 provided on each of any three adjacent telescoping tubes, such that each telescoping tube can be retracted simultaneously.
In some embodiments of the present invention, when the telescopic arm assembly 100 is telescopic, the pulley 320 and the inner connecting assembly 330 on the same telescopic tube can be observed from the observation window 101 on the adjacent telescopic tube in the outside in sequence, so as to improve the detection efficiency.
In some embodiments of the present invention, the pulley 320 and the internal connection assembly 330 on the same telescopic tube can be observed from the observation window 101 on the adjacent telescopic tube outside at the same time, and the pulley 320 and the internal connection assembly 330 can be replaced at the same time through the observation window 101.
The utility model discloses a in some embodiments, external connection subassembly 340 includes screw rod 343, mounting hole 140 has been seted up on the telescopic arm subassembly 100, mounting hole 140 sets up the flexible pipe inboard in the outside, screw rod 343 activity is worn to establish in mounting hole 140, screw rod 343 one end and wire rope 310 fixed connection, the screw rod 343 other end passes and threaded connection has nut 342 from mounting hole 140, nut 342 is used for preventing screw rod 343 from droing from mounting hole 140, the handle hole 103 has been seted up on the flexible pipe, can direct operation external connection subassembly 340 through handle hole 103.
In some embodiments of the present invention, the external connection assembly 340 further includes a washer 341, the washer 341 is disposed on the screw 343 and located between the nut 342 and the mounting hole 140, the nut 342 abuts against the washer 341, and the washer 341 abuts against the mounting hole 140 to limit the screw 343.
In some embodiments of the utility model, external connection subassembly 340 still includes spring 344, and spring 344 cover is established on screw 343 and is located between packing ring 341 and the mounting hole 140, and spring 344 diameter is greater than screw 343, and spring 344 diameter is less than packing ring 341 internal diameter, and when wire rope 310 was taut, screw 343 moved down and made packing ring 341 compress tightly spring 344, and spring 344 is arranged in the working process to reduce the impact force to external connection subassembly 340.
In some embodiments of the present invention, the sidewall of the telescopic tube is provided with a mounting groove 150 for the pulley 320 to be mounted on, corresponding to the pulley 320, the pulley 320 is partially embedded in the mounting groove 150, and the wire rope 310 passes through the sidewall of the telescopic tube and winds around the pulley 320.
In some embodiments of the present invention, the pulley 320 includes a bracket 321, a wheel 322, an axle 323, and a screw 324. An axle 323 is arranged in the center of the wheel 322, the wheel 322 can rotate around the axle 323, the axle 323 is arranged on a bracket 321, a screw 324 penetrates through the bracket 321 to fix the bracket 321 on the telescopic arm assembly 100, the shape of the mounting groove 150 is matched with that of the bracket 321, and the bracket 321 is partially embedded into the mounting groove 150. The pulley 320 can be disassembled only by detaching the screw 324, and the bracket 321 is embedded into the mounting groove 150 during mounting, so that the auxiliary positioning effect is achieved, the screw 324 does not need to be aligned with the hole position again, and the maintenance time is saved.
In some embodiments of the present invention, the internal connection component 330 includes a waist-shaped hole 331 and a T-shaped joint 332, the waist-shaped hole 331 is opened on the telescopic arm component 100, the head of the T-shaped joint 332 can pass through the waist-shaped hole 331 when being parallel to the waist-shaped hole 331, the head of the T-shaped joint 332 can block the waist-shaped hole 331 when being perpendicular to the waist-shaped hole 331, the tail of the T-shaped joint 332 is fixedly connected with the steel wire rope 310, the T-shaped joint 332 is tensioned by the steel wire rope 310 to make the head of the T-shaped joint 332 perpendicular to the waist-shaped hole 331 during operation, the T-shaped joint 332 blocks the waist-shaped hole 331 at this moment, thereby driving the telescopic arm component 100 to move down.
The maintenance method comprises the following steps: the telescoping arm assembly 100 is extended until the inner linkage assembly 330, the pulley 320, and the cable 310 are visible through the viewing window 101, and the wear of the pulley 320, the inner linkage assembly 330, and the cable 310 is observed through the transparent cover 102. The transparent cover 102 is removed, the screw 324 is unscrewed, the pulley 320 is pulled out, the nut 342 is unscrewed, the T-shaped joint 332 is rotated so that the head thereof is parallel to the waist-shaped hole 331, the T-shaped joint 332 is taken out, and the wire rope 310 is pulled out from the observation window 101. The head of a T-shaped joint 332 at one end of a new steel wire rope 310 passes through the waist-shaped hole 331, the T-shaped joint 332 is rotated downwards to enable the head of the T-shaped joint 332 to be perpendicular to the waist-shaped hole 331, the pulley 320 is embedded into the mounting groove 150, the screw 324 is tightened, the other end of the steel wire rope 310 passes around the pulley 320 and is mounted into the mounting hole 140 through a nut 342 on the external connecting component 340, and the transparent cover plate 102 is mounted for recovery.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A vertically telescoping boom, comprising:
the telescopic arm assembly (100) comprises a plurality of telescopic pipes which are sequentially sleeved, and the telescopic pipes can axially extend, retract and slide;
the lifting oil cylinder (200) is arranged on the telescopic arm assembly (100) and directly drives one telescopic pipe to extend and retract;
the synchronous retraction assembly (300) is arranged on the telescopic arm assembly (100) and is linked with a plurality of sections of telescopic pipes, and all the telescopic pipes are driven to retract synchronously under the linkage of the synchronous retraction assembly (300);
a plurality of observation windows (101) are arranged on the telescopic arm assembly (100), a transparent cover plate (102) is detachably connected to each observation window (101), and each observation window (101) is used for observing the synchronous retraction assembly (300) and facilitating the detachment of at least part of parts of the synchronous retraction assembly (300) from each observation window (101).
2. A vertically telescoping arm, according to claim 1, wherein: the synchronous retraction assembly (300) is arranged among any three adjacent telescopic pipes so as to enable the telescopic arm assembly (100) to retract synchronously, the synchronous retraction assembly (300) comprises a steel wire rope (310), a pulley (320), an inner connecting assembly (330) and an outer connecting assembly (340), the pulley (320) and the inner connecting assembly (330) are sequentially arranged on the three telescopic pipes which are sequentially adjacent from outside to inside, the steel wire rope (310) is wound on the pulley (320), and one end of the steel wire rope (310) is connected with the inner connecting assembly (330); the wire rope (310) other end is connected outside coupling assembling (340), observation window (101) are located arbitrary three adjacent in the flexible pipe in the centre flexible pipe on the flexible pipe to it is adjacent to conveniently expose the inboard flexible pipe on inside coupling assembling (330).
3. A vertically telescoping arm, according to claim 2, wherein: the pulley (320) and the inner connecting assembly (330) on the same telescopic tube can be observed from the observation window (101) on the telescopic tube adjacent to the outer side at the same time.
4. A vertically telescoping arm, according to claim 2, wherein: the external connection assembly (340) comprises a screw rod (343), a mounting hole (140) is formed in the telescopic arm assembly (100), one end of the screw rod (343) is fixedly connected with the steel wire rope (310), the other end of the screw rod (343) penetrates through the mounting hole (140) and is detachably connected with a nut (342), and the nut (342) is used for preventing the screw rod (343) from falling off from the mounting hole (140).
5. A vertically extendible arm, according to claim 4, wherein: the external connection assembly (340) comprises a gasket (341), and the gasket (341) is sleeved on the screw rod (343) and is positioned between the nut (342) and the mounting hole (140).
6. A vertically extendible arm, according to claim 5, wherein: the external connection assembly (340) comprises a spring (344), the spring (344) is sleeved on the screw rod (343) and is located between the gasket (341) and the mounting hole (140), and the spring (344) is used for damping in the working process.
7. A vertically telescoping arm, according to claim 2, wherein: the side wall of the telescopic arm component (100) is provided with a mounting groove (150) corresponding to the pulley (320) for mounting the pulley (320), and the pulley (320) is embedded in the mounting groove (150).
8. A vertically telescoping arm as in claim 7, wherein: the pulley (320) comprises a support (321), a wheel (322), an axle (323) and a screw (324), wherein the axle (323) is arranged in the center of the wheel (322) in a penetrating mode, the wheel (322) is rotatably installed on the support (321) through the axle (323), the screw (324) penetrates through the support (321) to fix the support (321) on the telescopic arm assembly (100), the shape of the installation groove (150) is matched with that of the support (321), and the support (321) is partially embedded into the installation groove (150).
9. A vertically telescoping arm, according to claim 2, wherein: inside coupling assembling (330) includes waist shape hole (331) and T type joint (332), waist shape hole (331) are seted up on telescopic arm subassembly (100), the head demountable installation of T type joint (332) in waist shape hole (331), the afterbody of T type joint (332) with wire rope (310) are fixed continuous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120584016.7U CN214527816U (en) | 2021-03-22 | 2021-03-22 | Vertical telescopic arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120584016.7U CN214527816U (en) | 2021-03-22 | 2021-03-22 | Vertical telescopic arm |
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| Publication Number | Publication Date |
|---|---|
| CN214527816U true CN214527816U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120584016.7U Active CN214527816U (en) | 2021-03-22 | 2021-03-22 | Vertical telescopic arm |
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| Country | Link |
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| CN (1) | CN214527816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003443A (en) * | 2021-03-22 | 2021-06-22 | 湖南星邦智能装备股份有限公司 | Vertical telescopic arm and maintenance method |
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2021
- 2021-03-22 CN CN202120584016.7U patent/CN214527816U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003443A (en) * | 2021-03-22 | 2021-06-22 | 湖南星邦智能装备股份有限公司 | Vertical telescopic arm and maintenance method |
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Assignee: Hunan Xingbang Machinery Equipment Co.,Ltd. Assignor: Hunan Xingbang Intelligent Equipment Co.,Ltd. Contract record no.: X2024980000714 Denomination of utility model: A vertical telescopic arm Granted publication date: 20211029 License type: Common License Record date: 20240117 |