CN217516571U - Crane with adjustable maintenance passage - Google Patents
Crane with adjustable maintenance passage Download PDFInfo
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- CN217516571U CN217516571U CN202221616396.9U CN202221616396U CN217516571U CN 217516571 U CN217516571 U CN 217516571U CN 202221616396 U CN202221616396 U CN 202221616396U CN 217516571 U CN217516571 U CN 217516571U
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Abstract
The utility model discloses a crane with adjustable maintenance channel and good adaptability, which comprises a bottom supporting seat, a maintenance channel, a first workbench, a second workbench, a variable amplitude swing mechanism and a hoisting component; the maintenance channel comprises a lower combined channel and a top outlet channel which are communicated with each other, the lower combined channel is arranged at the lower part of the top outlet channel and comprises a plurality of detachable channel units which are overlapped up and down, and each channel unit comprises three vertical stay tubes which are arranged in an equilateral triangle; a plurality of horizontal stay tubes for the maintainers to climb are arranged between the adjacent vertical stay tubes from top to bottom; the vertical stay tube comprises a stay tube body and two racks which are axially and symmetrically arranged along the outer circumferential surface of the stay tube body, and the racks are meshed with a driving gear arranged at the bottom of the top outlet channel to lift the lower combined channel; two vertical stay tubes adjacent from top to bottom are detachably connected through a connecting and fixing component.
Description
Technical Field
The utility model relates to a hoist technical field specifically is a maintain passageway adjustable hoist.
Background
The crane mainly comprises a hoisting mechanism, a running mechanism, a luffing mechanism, a slewing mechanism, a metal structure and the like. The hoisting mechanism is the basic working mechanism of the crane, and is mostly composed of a hook, a pulley, a steel wire rope and a winch, and the hoisting mechanism also can hoist and lower heavy objects through a hydraulic system.
In order to facilitate the maintenance of damaged parts of the crane and the ascending and descending of crane operators, the crane is generally provided with a maintenance channel or a channel ladder stand, but the existing crane uses the integrated channel ladder stand, namely the channel ladder stand is a whole, and once the crane is built, the crane cannot be detached or is difficult to detach. This has the following disadvantages: (1) in the construction process of the crane, the crane is greatly influenced by the environment or the construction site, once the construction site is not flat enough, the crane and the channel ladder stand cannot be placed well, the stability is poor, the danger is high, and great threats are generated to the construction safety of operators; (2) the ladder stand of the maintenance channel has large length, and has great threat to the migration safety of the crane; (3) once the crane is dimensioned, the length of the access ladder is also determined, and the working range of the access ladder is limited for a working area which is allowable under some working conditions but is not smooth.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the crane with the adjustable maintenance channel has good adaptability.
For solving the technical problem, the utility model discloses the technical scheme who adopts does: a crane with an adjustable maintenance channel comprises a bottom end supporting seat, a maintenance channel, a first workbench, a second workbench, a variable amplitude swing mechanism and a hoisting assembly; the bottom end supporting seat is used as a most basic supporting and fixing component of the crane to support the operation of the whole crane, the first workbench is arranged on the right side of the bottom end supporting seat, and the maintenance channel is arranged on the right side of the bottom end supporting seat and is connected with the lower part of the first workbench; the lifting assembly is movably connected with the top end of the bottom end supporting seat and is connected with the middle part of the bottom end supporting seat through a variable amplitude swing mechanism, the variable amplitude swing mechanism is used for lifting and left-right variable amplitude of the lifting assembly, and the second workbench is arranged at the joint of the lifting assembly and the top end of the bottom end supporting seat;
the maintenance channel comprises a lower combined channel and a top outlet channel which are communicated, the lower combined channel is arranged at the lower part of the top outlet channel, a protective fence for protecting maintenance workers is arranged at the periphery of the top outlet channel,
the lower combined channel comprises a plurality of detachable channel units which are overlapped up and down, and each channel unit comprises three vertical supporting tubes which are arranged in an equilateral triangle; a plurality of horizontal supporting pipes for the maintainers to climb are arranged between the adjacent vertical supporting pipes from top to bottom; the vertical stay tube comprises a stay tube body and two racks which are axially and symmetrically arranged along the outer circumferential surface of the stay tube body, and the racks are meshed with a driving gear arranged at the bottom of the top outlet channel to lift the lower combined channel; two vertical stay tubes adjacent from top to bottom are detachably connected through a connecting and fixing component.
Preferably, the connecting and fixing component comprises a bolt pair, a pair of semicircular pipe connecting sleeves and a connecting pin, wherein two ends of the connecting pin are respectively embedded in the upper vertical supporting pipe and the lower vertical supporting pipe to connect the upper vertical supporting pipe and the lower vertical supporting pipe; the parts of the connecting pin, which are positioned in the upper vertical supporting pipe and the lower vertical supporting pipe, are respectively provided with a radial through hole, the pair of semi-circular pipe connecting sleeves are sleeved at the positions corresponding to the connecting pin on the outer circle of the vertical supporting pipes, the semi-circular pipe connecting sleeves and the vertical supporting pipes are respectively provided with a radial through hole corresponding to the connecting pin, and the bolt pair is arranged in the radial through holes of the connecting pin and the semi-circular pipe connecting sleeves in a penetrating way.
Preferably, chamfers are arranged at the upper end and the lower end of the connecting pin.
Preferably, an elastic cushion block is arranged on the outer circular surface of the semicircular pipe connecting sleeve at the position of the bolt pair, one surface of the elastic cushion block, which is contacted with the outer circular surface of the semicircular pipe connecting sleeve, is an arc surface, the other surface of the elastic cushion block is a plane, and a through hole for the bolt pair to pass through is formed in the center of the elastic cushion block.
The utility model has the advantages that:
1. the maintenance channel of the crane is detachable, the detachable lower combined channel is at least two layers, and the lower combined channel can be detached in the moving process of the crane or in an uneven operation area, so that the length of the maintenance channel can be flexibly changed, and the applicability of the platform under the operation working condition is effectively improved. The detachable maintenance channel for the crane is simple in structure, convenient to use, safe and reliable. Under the prerequisite that satisfies the function that the passageway was maintained to the hoist, maintain the passageway with the hoist, through reasonable segmentation, conveniently assemble, realized maintaining the passageway with the hoist of integration and become dismantled and assembled form. The maintenance channel can be disassembled in the process of crane migration or in the operation area which is allowed by some working conditions and is uneven, so that the length of the maintenance channel can be flexibly changed, and the safety of the crane is effectively improved.
2. The horizontal section of the lower combined channel of the crane maintenance channel is an equilateral triangle, namely the lower combined channel is provided with a three-surface ladder stand, and operators and maintenance personnel can climb from any one of the ladder stands; meanwhile, the lower combined channel can allow three operators to crawl for maintenance at the same time, and maintenance efficiency is improved.
3. The vertical supporting pipe of the crane maintenance channel is axially and symmetrically provided with two racks along the outer circumferential surface of the supporting pipe, the racks are used for being meshed with a driving gear at the bottom of the top outlet channel, and then the lower combined channel is lifted through the driving gear. When the maintenance channel needs to be finely adjusted in the migration process of the crane or in an uneven operation area, the lifting of the lower combined channel can be driven by rotating the gear arranged at the bottom of the top outlet channel, so that the purpose of accurately adjusting the length of the maintenance channel of the crane is achieved, and the adaptability of the crane is further improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic perspective view of a part of the maintenance passage according to the present invention.
Fig. 3 is a schematic view of a partial front view of the maintenance passage according to the present invention.
Fig. 4 is a schematic view of the section a-a in fig. 3.
FIG. 5 is a schematic view of section C-C of FIG. 4.
In the drawings:
1. bottom end supporting seat 2, maintenance channel 3 and first workbench
4. Second workbench 5, variable amplitude slewing mechanism 6 and hoisting assembly
7. Lower combined channel 8, top outlet channel 71, vertical stay tube
711. Stay tube body 72, horizontal stay tube 73 and rack
74. Connecting and fixing component 741, bolt pair 742 and semicircular pipe connecting sleeve
743. Connecting pin
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-5, a crane with an adjustable maintenance channel comprises a bottom end support seat 1, a maintenance channel 2, a first workbench 3, a second workbench 4, a variable amplitude slewing mechanism 5 and a hoisting assembly 6; the bottom end supporting seat 1 is used as a most basic supporting and fixing component of the crane to support the operation of the whole crane, the first workbench 3 is arranged on the right side of the bottom end supporting seat 1, and the maintenance channel 2 is arranged on the right side of the bottom end supporting seat 1 and is connected with the lower part of the first workbench 3; the hoisting assembly 6 is movably connected with the top end of the bottom end supporting seat 1 and is connected with the middle part of the bottom end supporting seat 1 through a variable amplitude swing mechanism 5, the variable amplitude swing mechanism 5 is used for lifting and left-right variable amplitude of the hoisting assembly 6, and the second workbench 4 is arranged at the joint of the hoisting assembly 6 and the top end of the bottom end supporting seat 1;
the maintenance channel 2 comprises a lower combined channel 7 and a top outlet channel 8 which are communicated, the lower combined channel 7 is arranged at the lower part of the top outlet channel 8, a protective fence for protecting maintenance workers is arranged at the periphery of the top outlet channel 8,
the lower combined channel 7 comprises a plurality of detachable channel units which are overlapped up and down, and each channel unit comprises three vertical supporting tubes 71 which are arranged in an equilateral triangle; a plurality of horizontal stay tubes 72 for the maintainers to climb are arranged between the adjacent vertical stay tubes 71 from top to bottom; the vertical stay tube 71 comprises a stay tube body 711 and two racks 73 which are axially and symmetrically arranged along the outer circumferential surface of the stay tube body 711, and the racks 73 are engaged with a driving gear arranged at the bottom of the top outlet channel 8 to lift the lower combined channel 7; two vertical supporting tubes 71 which are adjacent up and down are detachably connected through a connecting and fixing assembly 74.
The connecting and fixing component 74 comprises a bolt pair 741, a pair of semicircular pipe connecting sleeves 742 and a connecting pin 743, wherein two ends of the connecting pin 743 are respectively embedded in the upper vertical supporting pipe 71 and the lower vertical supporting pipe 71 to connect the two vertical supporting pipes; the parts of the connecting pin 743, which are positioned in the upper vertical supporting tube 71 and the lower vertical supporting tube 71, are respectively provided with a radial through hole, the pair of semicircular tube connecting sleeves 742 are sleeved at the positions, corresponding to the connecting pin 743, on the excircle of the vertical supporting tube 71, the semicircular tube connecting sleeves 742 and the vertical supporting tubes 71 are respectively provided with a radial through hole corresponding to the connecting pin 743, and the bolt pairs 741 are arranged in the radial through holes of the connecting pin 743 and the semicircular tube connecting sleeves 742 in a penetrating manner. Chamfers are arranged at the upper end and the lower end of the connecting pin 743.
An elastic cushion block is arranged on the outer circular surface of the semicircular pipe connecting sleeve 742 at the position of the bolt pair 741, one surface of the elastic cushion block, which is in contact with the outer circular surface of the semicircular pipe connecting sleeve 742, is an arc surface, the other surface of the elastic cushion block is a plane, and a through hole for the bolt pair 741 to pass through is formed in the center of the elastic cushion block.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be used, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several changes and modifications can be made, which are within the scope of the present invention.
Claims (4)
1. A crane with an adjustable maintenance channel comprises a bottom end supporting seat, the maintenance channel, a first workbench, a second workbench, a variable amplitude swing mechanism and a hoisting assembly; the bottom end supporting seat is used as a basic supporting and fixing component of the crane to support the operation of the whole crane, the first workbench is arranged on the right side of the bottom end supporting seat, and the maintenance channel is arranged on the right side of the bottom end supporting seat and is connected with the lower part of the first workbench; the lifting assembly is movably connected with the top end of the bottom end supporting seat and is connected with the middle part of the bottom end supporting seat through a variable amplitude swing mechanism, the variable amplitude swing mechanism is used for lifting and changing the amplitude left and right, and the second workbench is arranged at the joint of the lifting assembly and the top end of the bottom end supporting seat; the method is characterized in that: the maintenance channel comprises a lower combined channel and a top outlet channel which are communicated, the lower combined channel is arranged at the lower part of the top outlet channel, and a protection fence for protecting maintenance workers is arranged at the periphery of the top outlet channel; the lower combined channel comprises a plurality of detachable channel units which are overlapped up and down, and each channel unit comprises three vertical supporting tubes which are arranged in an equilateral triangle; a plurality of horizontal supporting pipes for the maintainers to climb are arranged between the adjacent vertical supporting pipes from top to bottom; the vertical stay tube comprises a stay tube body and two racks which are axially and symmetrically arranged along the outer circumferential surface of the stay tube body, and the racks are meshed with a driving gear arranged at the bottom of the top outlet channel to lift the lower combined channel; two vertical stay tubes adjacent from top to bottom are detachably connected through a connecting and fixing component.
2. A crane with adjustable service access as claimed in claim 1, wherein: the connecting and fixing component comprises a bolt pair, a pair of semicircular pipe connecting sleeves and connecting pins, wherein two ends of the connecting and fixing pins are respectively embedded in the upper vertical supporting pipe and the lower vertical supporting pipe to connect the upper vertical supporting pipe and the lower vertical supporting pipe; the parts of the connecting pin, which are positioned in the upper vertical supporting pipe and the lower vertical supporting pipe, are respectively provided with a radial through hole, the pair of semi-circular pipe connecting sleeves are sleeved at the positions corresponding to the connecting pin on the outer circle of the vertical supporting pipes, the semi-circular pipe connecting sleeves and the vertical supporting pipes are respectively provided with a radial through hole corresponding to the connecting pin, and the bolt pair is arranged in the radial through holes of the connecting pin and the semi-circular pipe connecting sleeves in a penetrating way.
3. A crane with adjustable service access as claimed in claim 2, wherein: and chamfers are arranged at the upper end and the lower end of the connecting pin.
4. A crane with adjustable service access as claimed in claim 3, wherein: an elastic cushion block is arranged on the outer circular surface of the semi-circular pipe connecting sleeve at the position of the bolt pair, one surface of the elastic cushion block, which is contacted with the outer circular surface of the semi-circular pipe connecting sleeve, is an arc surface, the other surface of the elastic cushion block is a plane, and a through hole for the bolt pair to pass through is formed in the center of the elastic cushion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221616396.9U CN217516571U (en) | 2022-06-27 | 2022-06-27 | Crane with adjustable maintenance passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221616396.9U CN217516571U (en) | 2022-06-27 | 2022-06-27 | Crane with adjustable maintenance passage |
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| Publication Number | Publication Date |
|---|---|
| CN217516571U true CN217516571U (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221616396.9U Active CN217516571U (en) | 2022-06-27 | 2022-06-27 | Crane with adjustable maintenance passage |
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| CN (1) | CN217516571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116143005A (en) * | 2023-04-20 | 2023-05-23 | 四川宏升重工机械有限公司 | Locking type tower crane frame and use method thereof |
-
2022
- 2022-06-27 CN CN202221616396.9U patent/CN217516571U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116143005A (en) * | 2023-04-20 | 2023-05-23 | 四川宏升重工机械有限公司 | Locking type tower crane frame and use method thereof |
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