CN215666743U - Spider crane lifting structure - Google Patents
Spider crane lifting structure Download PDFInfo
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- CN215666743U CN215666743U CN202120864146.6U CN202120864146U CN215666743U CN 215666743 U CN215666743 U CN 215666743U CN 202120864146 U CN202120864146 U CN 202120864146U CN 215666743 U CN215666743 U CN 215666743U
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Abstract
The utility model relates to the technical field of engineering machinery, in particular to a spider crane lifting structure which comprises a rotary base, wherein the rotary base is installed on a chassis assembly of a spider crane in a matching manner, an adjustable counterweight component is installed at the rear end of the rotary base, a telescopic lifting component is installed at the top of the front end of the rotary base, a steel wire rope reversing mechanism is fixedly installed at the front end of the telescopic lifting component, a steel wire rope winder is installed at the top of the middle section of the rotary base, a lifting steel wire rope is wound on the steel wire rope winder, the lifting steel wire rope forwards penetrates through the steel wire rope reversing mechanism and then is vertically and downwards arranged, and a lifting hook is fixedly installed at the tail end of the lifting steel wire rope. The structure can adjust the counterweight amount of the adjustable counterweight assembly according to different lifting tonnages, effectively ensures the stability of the whole lifting machine in the whole lifting process, reduces the heeling risk, and has higher safety factor during use.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a hoisting structure suitable for being matched with a spider crane, and particularly relates to a hoisting structure of the spider crane.
Background
The crane is commonly known as a crane and is a hoisting machine which does circulating and intermittent motion. One cycle of operation of the crane includes the extractor lifting the article from the extraction site, then moving horizontally to the desired site to lower the article, followed by a reverse motion to return the extractor to the home position for the next cycle. The crane can be classified into a fixed rotary crane, a tower crane, an automobile crane, a tire, a crawler crane and the like according to the structural form.
The traditional 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 a basic working mechanism of the crane, mostly consists of a hanging system and a winch, and also can lift heavy objects through a hydraulic system, the crane is generally suitable for being used in an open space environment due to large size, and the traditional crane cannot normally carry out turnover operation due to large size when working in a narrow space or an indoor area.
The requirement of the hoisting process of the spider crane is different from the requirement of large-space high-altitude operation of the traditional crane due to the particularity of the construction environment in the hoisting process of the spider crane, the hoisting structure of the spider crane is generally set to be a rotary structure, and the condition of gravity center unbalance is easily caused when goods with different weights are hoisted, so that the stability of the spider crane is poor.
Therefore, the lifting structure special for the spider crane is designed by the company according to the experience of manufacturing, researching, developing, designing and selling engineering machinery for many years and the research and improvement of the company in combination with the requirements of market customers.
SUMMERY OF THE UTILITY MODEL
In order to solve one of the technical problems, the utility model adopts the technical scheme that: the spider crane lifting structure comprises a rotary base, wherein the rotary base is installed on a chassis assembly of the spider crane in a matched mode, an adjustable counterweight component is installed at the rear end of the rotary base, a telescopic hoisting component is installed at the top of the front end of the rotary base, a steel wire rope reversing mechanism is fixedly installed at the front end of the telescopic hoisting component, a steel wire rope winder is installed at the top of the middle section of the rotary base, a hoisting steel wire rope is wound on the steel wire rope winder, the hoisting steel wire rope penetrates forwards through the steel wire rope reversing mechanism and then is vertically arranged downwards, and a hoisting hook is fixedly installed at the tail end of the hoisting steel wire rope.
In any of the above schemes, preferably, the telescopic lifting component includes a hydraulic telescopic boom, the front end of the hydraulic telescopic boom is fixedly provided with the wire rope reversing mechanism, the lower end of the hydraulic telescopic boom is movably hinged on the ear seat corresponding to the rotary base, a swing angle driving mechanism is arranged below the rear section of the hydraulic telescopic boom, and the swing angle driving mechanism is used for realizing the regulation and control of the inclination angle of the hydraulic telescopic boom.
In any of the above solutions, preferably, the hydraulic telescopic boom is a multi-stage telescopic boom.
In any of the above schemes, preferably, the adjustable counterweight assembly includes a counterweight seat, two limit studs are fixedly arranged at the top of the counterweight seat at intervals, a plurality of counterweights are sequentially stacked at the top of the counterweight seat, each of the counterweights is sleeved on the outer side wall of each of the limit studs through a mounting through hole arranged on the counterweight seat, a locking compression nut is respectively screwed and mounted on the threaded section of each of the limit studs at the top of each of the counterweights, and the bottom of each of the locking compression nuts is used for abutting against the top of the counterweight at the corresponding position.
In any of the above solutions, preferably, a large washer is provided at the bottom of each of the locking compression nuts, and the outer diameter of the large washer is larger than the maximum outer diameter of the locking compression nut.
In any of the above schemes, preferably, the wire rope reversing mechanism includes a mounting frame fixedly mounted at the front end of the hydraulic telescopic boom, a wire rope engaging sheave is respectively disposed at the upper portion and the lower portion of the inner cavity of the mounting frame, a plurality of annular engaging grooves for engaging the hoisting wire rope are respectively disposed at intervals on the outer side wall of each wire rope engaging sheave along the length direction thereof, both ends of the wire rope engaging sheave are respectively movably inserted into the corresponding welding lug seats through the central shaft thereof, each welding lug seat is fixedly connected to the mounting frame, the hoisting wire rope sequentially bypasses the two wire rope engaging sheaves from top to bottom, a lower limit roller is disposed at intervals and in parallel on the outer side of the lower wire rope engaging sheave, the lower limit roller is used for preventing the hoisting wire rope at the corresponding position from running out of the annular engaging grooves, and the two ends of the lower limiting roller are movably inserted into the lug holes of the lower welding lugs at the corresponding positions through a central shaft which is movably matched with the lower limiting roller.
In any of the above schemes, preferably, an upper limiting roller is arranged at an upper side of the upper steel wire rope clamping groove wheel at an interval and in parallel, the upper limiting roller is used for preventing the hoisting steel wire rope at the corresponding position from running out of the annular clamping groove, two ends of the upper limiting roller are movably inserted into the rotating holes at the tops of the connecting rods at the corresponding positions through a central shaft movably matched with the upper limiting roller, and each connecting rod is bolted and fixed on the side wall at the corresponding position of the mounting frame.
Preferably, in any of the above schemes, the swing angle driving mechanism includes two swing angle oil cylinders symmetrically arranged at intervals, the lower ends of the cylinder bodies of the swing angle oil cylinders are fixedly connected through a horizontal swing shaft, two ends of the horizontal swing shaft are movably hinged in corresponding ear holes on corresponding ear seats of the rotary base, and the middle sections of the cylinder bodies of the swing angle oil cylinders are fixedly connected with two tops of piston rods of the swing angle oil cylinders through fixed connecting frames and are respectively movably hinged in connecting ears fixedly connected with the lower ends of basic arms of the hydraulic telescopic boom.
In any of the above aspects, preferably, the wire rope winder is a wire rope winder structure in the prior art.
The utility model further provides a crawler-type spider crane which comprises a spider crane lifting structure, wherein the spider crane lifting structure is the spider crane lifting structure.
Compared with the prior art, the utility model has the following beneficial effects:
1. the structure can adjust the counterweight amount of the adjustable counterweight assembly according to different lifting tonnages, effectively ensures the stability of the whole lifting machine in the whole lifting process, reduces the heeling risk, and has higher safety factor during use.
2. Through the design of the steel wire rope reversing mechanism, the structure can effectively ensure that the hoisting steel wire rope is normally and stably clamped under the vibration state under the working condition that the ground is uneven, prevent the steel wire rope from jumping out of a trench, and ensure the hoisting and lifting stability.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic three-dimensional structure of the present invention.
FIG. 4 is a schematic three-dimensional structure of the rotating base and the adjustable weight assembly of the present invention.
Fig. 5 is a schematic view of a partial three-dimensional structure of the swing angle cylinder of the present invention.
Fig. 6 is a partially enlarged three-dimensional structural schematic view of the wire rope reversing mechanism of the present invention.
In the figure, 1, a rotary base; 2. an adjustable counterweight assembly; 3. a telescopic lifting assembly; 4. a steel wire rope reversing mechanism; 5. a wire rope winder; 6. hoisting a steel wire rope; 7. lifting a lifting hook; 8. a hydraulic telescopic boom; 9. a counterweight seat; 10. a limiting stud; 11. a balancing weight; 12. locking a compression nut; 13. a large washer; 14. a mounting frame; 15. the steel wire rope is clamped with the grooved pulley; 16. an annular neck; 17. welding the lug seat; 18. a lower limiting roller; 19. welding a lower lug; 20. an upper limiting roller; 21. a connecting rod; 22. a swing angle oil cylinder; 23. a horizontal pendulum shaft; 24. a fixed connecting frame; 25. and (5) connecting lugs.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 6, the spider crane lifting structure includes a rotary base 1, the rotary base 1 is installed on a chassis assembly of the spider crane in a matching manner, an adjustable counterweight component 2 is installed at the rear end of the rotary base 1, a telescopic hoisting component 3 is installed at the top of the front end of the rotary base 1, a steel wire rope reversing mechanism 4 is fixedly installed at the front end of the telescopic hoisting component 3, a steel wire rope winder 5 is installed at the top of the middle section of the rotary base 1, a hoisting steel wire rope 6 is wound on the steel wire rope winder 5, the hoisting steel wire rope 6 passes through the steel wire rope reversing mechanism 4 forwards and is vertically arranged downwards, and a hoisting hook 7 is fixedly installed at the tail end of the hoisting steel wire rope 6.
The lifting structure is suitable for being installed on a spider crane, and the design of the adjustable counterweight component 2 can effectively ensure that the gravity center counterweight is carried out on the whole crane under the construction conditions of different tonnages, so that the stability of the whole crane is ensured; each hydraulic oil cylinder and each hydraulic telescopic suspension arm 8 on the lifting structure of the spider crane are matched with a hydraulic system on the spider crane for use; the lifting hook can be lifted by changing the direction of the steel wire rope through the steel wire rope reversing mechanism 4.
In any of the above schemes, preferably, the telescopic lifting component 3 includes a hydraulic telescopic boom 8, the front end of the hydraulic telescopic boom 8 is fixedly mounted with the wire rope reversing mechanism 4, the lower end of the hydraulic telescopic boom 8 is movably hinged on the ear seat corresponding to the rotary base 1, a swing angle driving mechanism is arranged below the rear section of the hydraulic telescopic boom 8, and the swing angle driving mechanism is used for realizing the regulation and control of the inclination angle of the hydraulic telescopic boom 8.
In any of the above solutions, it is preferable that the hydraulic telescopic boom 8 is a multi-stage telescopic boom.
The hydraulic telescopic boom 8 can be controlled conveniently by the multi-stage telescopic boom, and can be adjusted according to different working conditions, and the adjustment of the swing angle driving mechanism can be controlled to adjust the angle of the hydraulic telescopic boom 8 in the lifting process, so that the adjustment of different inclination angles can be realized, and finally the displacement adjustment of driving the lifting hook 7 and riding the lifted goods can be realized.
In any of the above schemes, preferably, the adjustable counterweight assembly 2 includes a counterweight seat 9, two limit studs 10 are fixedly arranged at the top of the counterweight seat 9 at intervals, a plurality of counterweights 11 are sequentially stacked on the top of the counterweight seat 9, each of the counterweights 11 is sleeved on the outer side wall of each of the limit studs 10 through a mounting through hole arranged thereon, a locking compression nut 12 is respectively screwed on the threaded section of each of the limit studs 10 at the top of each of the counterweights 11, and the bottom of each of the locking compression nuts 12 is used for abutting against the top of the counterweight 11 at the corresponding position.
Adjustable counter weight subassembly 2 selects the quantity of installation balancing weight 11 according to the weight of the goods that the present needs lifted by crane when adjusting, realizes the effect of counter weight, after having installed balancing weight 11, in order to avoid balancing weight 11 to appear drunkenness from top to bottom when the crane walking is on the road surface of jolting, can close lock gland nut 12 here downwards and realize fixing each balancing weight 11's locking.
In any of the above solutions, it is preferable that a large washer 13 is provided at the bottom of each of the lock compression nuts 12, and the outer diameter of the large washer 13 is larger than the maximum outer diameter of the lock compression nut 12.
The large washer 13 can increase the contact area with the balancing weight 11, and ensure the overall abutting and pressing effect of the balancing weight 11.
In any of the above schemes, preferably, the wire rope reversing mechanism 4 includes an installation frame 14 fixedly installed at the front end of the hydraulic telescopic boom 8, a wire rope clamping groove wheel 15 is respectively installed at the upper portion and the lower portion of an inner cavity of the installation frame 14, a plurality of annular clamping grooves 16 for clamping the hoisting wire rope 6 are respectively installed on the outer side wall of each wire rope clamping groove wheel 15 at intervals along the length direction thereof, both ends of each wire rope clamping groove wheel 15 are respectively movably inserted onto welding lug seats 17 at corresponding positions through a central shaft thereof, each welding lug seat 17 is fixedly connected with the installation frame 14, the hoisting wire rope 6 sequentially bypasses the two wire rope clamping groove wheels 15 from top to bottom, a lower limit roller 18 is installed at intervals and in parallel on the outer side of the wire rope clamping groove wheel 15 below, the lower limit roller 18 is used for preventing the hoisting wire rope 6 at corresponding positions from running out of the annular clamping grooves 16, the two ends of the lower limiting roller 18 are movably inserted into the lug holes of the welding lower lugs 19 at the corresponding positions through a central shaft movably matched with the lower limiting roller.
When the hoisting steel wire rope 6 is arranged on the steel wire rope reversing mechanism 4, the hoisting steel wire rope 6 can be limited in swinging by penetrating through the annular clamping grooves 16 of the steel wire rope clamping groove wheels 15 at the upper part and the lower part; meanwhile, the steel wire rope can be driven to be pulled in the process of the telescopic lifting assembly 3 performing telescopic work, so that the steel wire rope clamping groove wheel 15 is driven to rotate along with the steel wire rope by friction in the process of pulling the lifting steel wire rope 6.
The lower limiting roller 18 can rotate passively, the lower limiting roller 18 arranged on the lower limiting roller can effectively prevent the lifting steel wire rope 6 at the reversing position from being separated from the annular clamping groove 16 in a vibration state, and the motion state of the lifting steel wire rope 6 is ensured to be more stable during use.
In any of the above schemes, preferably, an upper limiting roller 20 is disposed at an interval and in parallel on the upper side of the upper steel wire rope clamping wheel 15, the upper limiting roller 20 is used for preventing the hoisting steel wire rope 6 at the corresponding position from coming out of the ring-shaped clamping groove 16, two ends of the upper limiting roller 20 are movably inserted into the rotating holes at the tops of the connecting rods 21 at the corresponding positions through a central shaft movably matched with the upper limiting roller 20, and each connecting rod 21 is bolted and fixed on the side wall at the corresponding position of the mounting frame 14.
The upper limiting roller 20 can realize passive rotation, the upper limiting roller 20 arranged on the upper limiting roller can effectively prevent the lifting steel wire rope 6 at the reversing position from being separated from the annular clamping groove 16 in a vibration state, and the motion state of the lifting steel wire rope 6 is ensured to be more stable in use; the lower limiting roller 18 is matched to further reduce the probability of the groove disengagement of the hoisting steel wire rope 6.
The two connecting rods 21 are convenient to detach, and the operation is simpler and quicker.
Preferably, in any of the above schemes, the swing angle driving mechanism includes two swing angle cylinders 22 that are symmetrically arranged at intervals and move synchronously, the lower ends of the cylinder bodies of the swing angle cylinders 22 are all fixedly connected through a horizontal swing shaft 23, two ends of the horizontal swing shaft 23 are movably hinged in corresponding ear holes on corresponding ear seats of the rotation base 1, and two cylinder body middle sections of the swing angle cylinders 22 are fixedly connected with two tops of piston rods of the swing angle cylinders 22 through fixed connecting frames 24 and are respectively movably hinged in connecting ears 25 fixedly connected with the lower ends of basic arms of the hydraulic telescopic boom 8.
The two swing angle oil cylinders 22 which move synchronously on the swing angle driving mechanism are mainly supplied with oil by a hydraulic system on the spider crane, the two swing angle oil cylinders move synchronously, and the hydraulic telescopic suspension arm 8 can be driven to realize the adjustment of different inclination angles by controlling the extension and retraction of the two swing angle oil cylinders 22 which move synchronously, so that the purpose of controlling different swing lifting heights is achieved by matching with the extension and retraction of the hydraulic telescopic suspension arm 8.
In any of the above embodiments, the wire rope winder 5 is preferably configured as a wire rope winder 5 in the related art.
The utility model further provides a crawler-type spider crane which comprises a spider crane lifting structure, wherein the spider crane lifting structure is the spider crane lifting structure.
When in work:
the lifting structure is suitable for being installed on a spider crane for use, and the design of the adjustable counterweight component 2 can effectively ensure that the gravity center counterweight is carried out on the whole crane under the construction conditions of different tonnages, so that the stability of the whole crane is ensured.
When the crane needs to be lifted, the lifting hook 7 is firstly hooked on the corresponding goods, then a hydraulic system of the spider crane is controlled to work, the hydraulic telescopic suspension arm 8 on the telescopic lifting component 3 and the swing angle oil cylinder 22 of the swing angle driving mechanism are controlled to realize telescopic positioning, then the lifting work is completed, the whole crane is matched with the whole spider crane to drive the structure to horizontally rotate in the whole lifting process, and finally the purpose of lifting as required is achieved.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention, and the technical solutions are all covered in the scope of the claims and the specification of the present invention; it will be apparent to those skilled in the art that any alternative modifications or variations to the embodiments of the present invention may be made within the scope of the present invention.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (8)
1. Spider crane promotes structure, including rotating base, rotating base cooperation installation and spider crane's chassis assembly on, its characterized in that: the adjustable counterweight assembly is installed at the rear end of the rotary base, the telescopic lifting assembly is installed at the top of the front end of the rotary base, the steel wire rope reversing mechanism is fixedly installed at the front end of the telescopic lifting assembly, the steel wire rope winder is installed at the top of the middle section of the rotary base, a lifting steel wire rope is wound on the steel wire rope winder, the lifting steel wire rope penetrates through the steel wire rope reversing mechanism forwards and then is vertically arranged downwards, and the lifting hook is fixedly installed at the tail end of the lifting steel wire rope.
2. The spider crane lifting structure according to claim 1, wherein: the telescopic lifting component comprises a hydraulic telescopic suspension arm, the front end of the hydraulic telescopic suspension arm is fixedly provided with the steel wire rope reversing mechanism, the lower end of the hydraulic telescopic suspension arm is movably hinged to the lug seat corresponding to the rotary base, a swing angle driving mechanism is arranged below the rear section of the hydraulic telescopic suspension arm, and the swing angle driving mechanism is used for realizing the regulation and control of the inclination angle of the hydraulic telescopic suspension arm.
3. The spider crane lifting structure according to claim 2, wherein: the hydraulic telescopic boom is a multi-stage telescopic boom.
4. The spider crane lifting structure according to claim 3, wherein: the adjustable counterweight component comprises a counterweight seat, two limit studs are fixedly arranged at the top of the counterweight seat at intervals, a plurality of counterweights are sequentially stacked at the top of the counterweight seat, each counterweight is sleeved on the outer side wall of each limit stud through a mounting through hole arranged on each counterweight, a locking compression nut is respectively screwed on the thread section of each limit stud at the top of each counterweight, and the bottom of each locking compression nut is used for abutting against the top of the corresponding counterweight at the position.
5. The spider crane lifting structure according to claim 4, wherein: and the bottom of each locking compression nut is provided with a large washer, and the outer diameter of the large washer is larger than the maximum outer diameter of the locking compression nut.
6. The spider crane lifting structure according to claim 5, wherein: the steel wire rope reversing mechanism comprises a mounting frame fixedly mounted at the front end of the hydraulic telescopic boom, a steel wire rope clamping groove wheel is respectively arranged at the upper part and the lower part of an inner cavity of the mounting frame, a plurality of annular clamping grooves used for clamping and connecting a hoisting steel wire rope are respectively arranged on the outer side wall of each steel wire rope clamping groove wheel at intervals along the length direction of the steel wire rope clamping groove wheel, two ends of each steel wire rope clamping groove wheel are respectively movably inserted on welding lug seats at corresponding positions through a central shaft, each welding lug seat is fixedly connected with the mounting frame, the hoisting steel wire rope sequentially bypasses the two steel wire rope clamping groove wheels from top to bottom, a lower limiting roller wheel is arranged at the outer side of the steel wire rope clamping groove wheel at intervals and in parallel, the lower limiting roller wheel is used for preventing the hoisting steel wire rope at the corresponding position from running out of the annular clamping grooves, and two ends of the lower limiting roller wheel are movably inserted in lug holes of the welding lower lugs at the corresponding positions through the central shaft which is movably matched with the lower limiting roller wheel.
7. The spider crane lifting structure according to claim 6, wherein: an upper limiting roller is arranged on the upper side of the steel wire rope clamping groove wheel at an interval and in parallel, the upper limiting roller is used for preventing the hoisting steel wire rope at the corresponding position from running out of the annular clamping groove, two ends of the upper limiting roller are movably inserted into rotating holes at the tops of connecting rods at the corresponding position through a central shaft movably matched with the upper limiting roller, and the connecting rods are fixedly bolted on the side wall at the corresponding position of the mounting frame.
8. The spider crane lifting structure according to claim 7, wherein: the swing angle driving mechanism comprises two swing angle oil cylinders which are symmetrically arranged at intervals, the lower ends of the cylinder bodies of the swing angle oil cylinders are fixedly connected through a horizontal swing shaft, the two ends of the horizontal swing shaft are movably hinged in corresponding lug holes in lug seats corresponding to the rotary base, and the middle sections of the cylinder bodies of the swing angle oil cylinders are fixedly connected with two ends of piston rods of the swing angle oil cylinders are respectively and movably hinged in connecting lugs fixedly connected with the lower ends of basic arms of the hydraulic telescopic suspension arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120864146.6U CN215666743U (en) | 2021-04-26 | 2021-04-26 | Spider crane lifting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120864146.6U CN215666743U (en) | 2021-04-26 | 2021-04-26 | Spider crane lifting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215666743U true CN215666743U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120864146.6U Active CN215666743U (en) | 2021-04-26 | 2021-04-26 | Spider crane lifting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215666743U (en) |
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2021
- 2021-04-26 CN CN202120864146.6U patent/CN215666743U/en active Active
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