CN203255939U - Universal adjustable type hoist high-place operation platform - Google Patents
Universal adjustable type hoist high-place operation platform Download PDFInfo
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- CN203255939U CN203255939U CN2013200540392U CN201320054039U CN203255939U CN 203255939 U CN203255939 U CN 203255939U CN 2013200540392 U CN2013200540392 U CN 2013200540392U CN 201320054039 U CN201320054039 U CN 201320054039U CN 203255939 U CN203255939 U CN 203255939U
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- screw mandrel
- universal adjustable
- place operation
- nut
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Abstract
The utility model belongs to the technical field of high-place operation, and particularly relates to a universal adjustable type hoist high-place operation platform. The universal adjustable type hoist high-place operation platform comprises a platform frame and a closed chain five-connection-rod leveling device connected with the platform frame, and the closed chain five-connection-rod leveling device is connected with a hoist suspension arm through a connection device. The closed chain five-connection-rod leveling device, the platform frame and the connection device are matched with one another to enable the platform frame to be in a horizontal state in the process of carrying out high-place operation. The universal adjustable type hoist high-place operation platform is simple in structure, appropriate in cost, convenient to operate, wide in application range and high in safety and reliability. After the universal adjustable type hoist high-place operation platform is arranged on a hoist, the complex path passing capacity and the loading capacity of the universal adjustable type hoist high-place operation platform are superior to special high-place operation vehicles. By means of the universal adjustable type hoist high-place operation platform, the labor intensity of workers can be relieved, the sense of fear in high-place operation is relieved, construction cost is saved, and the universal adjustable type hoist high-place operation platform is easily popularized and applied to transmission and transformation projects and other engineering construction with high-place operation projects.
Description
Technical field
The utility model belongs to high-rise working technical field in the engineering construction, is specifically related to a kind of highly versatile, is convenient to the adjustable crane high-altitude working platform of leveling.
Background technology
When project of transmitting and converting electricity was installed, a lot of projects needed the workmen to carry out high-rise working, therefore needed safe and reliable high-altitude working platform.Existing high-altitude working platform mainly contains the aerial lift vehicle of scaffold, hanging basket, self-control simple crane job platform and specialty, and wherein scaffold, hanging basket, self-control simple crane job platform all exist various limitations and potential safety hazard in operation; Specialty aerial lift vehicle expensive, lease resource scarcity in market can not satisfy the site operation demand.
Utilize existing crane to transform, mounting operation platform on crane, existing precedent.When requiring the arm lifting flexible in the work of crane high-altitude working platform job platform all the time with ground maintenance level.In order to guarantee job platform level, steady, safe work, need device for installing and leveling.Existing crane is transformed the principle of work of the levelling gear of job platform, is broadly divided into deadweight levelling gear, parallel four connecting rod levelling gears, chain sprocket formula levelling gear, servo hydraulic cylinder levelling gear and electric liquid levelling gear five classes.
The dead-weight levelling gear is simple in structure, and cost is low, adjusts easy to maintenance.But in the process that the arm lifting is stretched, job platform produces easily and rocks, and the staff can produce sense of insecurity.After arm reaches operating altitude, need to lock to job platform troublesome poeration simultaneously.
Parallel four connecting rod levelling gears have utilized all with chain sprocket formula levelling gear that two groups of opposite side remain parallel principle in the parallelogramming deflection process, and the leveling process is continuous and synchronism good, but structure is not compact, is unsuitable for telescopic large arm.In order to keep the job platform level, must guarantee that a bar is cemented in large ground, so need to be on whole crane the installing connecting rods structural mechanism, complex structure, the change amount is large, cost is high.
Servo-hydraulic levelling gear and electric hydraulic leveling mechanism have all utilized the principle of fluid constancy of volume, and horizon sensor is installed additional at job platform in electric hydraulic leveling mechanism.These two kinds of levelling gear control accuracys are high, but the control system more complicated, cost is high.
Above-mentioned crane modification scheme respectively has merits and faults: dead-weight simple in structure, cheap, but service platform rocks and makes the staff produce sense of insecurity in the lifting process; Servo-hydraulic and electric hydraulic leveling mechanism then need increase Hydraulic Elements, transform oil circuit, and the change amount is large, and cost is high; Although parallel four-bar linkage is cheap with the relative hydraulic gear of sprocket wheel chain structure cost, structure is still very complicated, and the retrofit work amount is large, and cost is also very high.
The utility model content
The purpose of this utility model provides a kind of highly versatile, is convenient to the universal adjustable crane high-altitude working platform of leveling, and this crane high-altitude working platform is not only simple in structure, and cost is low, and easy to operate, and safe reliability is high simultaneously.
For achieving the above object, the technical scheme that the utility model adopts is as follows: a kind of universal adjustable crane high-altitude working platform, comprise platform framework, this crane high-altitude working platform also comprises the closed chain five link-type leveling equipments that link to each other with described platform framework, and described closed chain five link-type leveling equipments link to each other with suspension arm of crane by connecting device; Described closed chain five link-type leveling equipments, platform framework, the connecting device three is fitted to each other so that platform framework is in horizontality aloft during operation.
The utility model can also be able to further realization by following technical measures:
Preferably, described closed chain five link-type leveling equipments comprise five link mechanisms that are made of frame, bearing seat, screw mandrel, nut and support frame; Described frame and described platform framework are affixed, the upper end of described frame and the lower end of bearing seat are hinged, the upper end of described bearing seat links to each other with the termination section of screw mandrel, the shaft of described screw mandrel consists of spiral with nut and cooperates, end away from the lower end of screw mandrel and support frame of described nut consists of hinged, and the other end of described support frame is hinged with the lower end of frame formation; Described support frame links to each other with suspension arm of crane by connecting device; Described closed chain five link-type leveling equipments also comprise drive that screw mandrel rotates so that nut along the shaft of screw mandrel move, final so that support frame makes the driver train of described platform framework leveling around rotating with the hinged place of frame.
Further, described screw mandrel is set to parallel two, and described nut also is set to two accordingly; Described driver train comprises handwheel, driven wheel and output gear, the middle part of circular handwheel is provided with output shaft, described output shaft is sheathed to be fixed in the bearing that is arranged on the bearing seat, and described driven wheel is arranged on the mouth that passes bearing of described output shaft; Described output gear is set to two, and two output gears are corresponding sheathed being fixed on two screw mandrels respectively, and two output gears divide the both sides that are located at driven wheel and all mesh with driven wheel.
Preferably, consist of ball screw assembly, between described screw mandrel and the nut.
Further, the ball screw assembly, between described screw mandrel and the nut is for ease of the ball screw assembly, of self-locking.
Preferably, the articulated structure for ease of dismantling between described bearing seat and the frame; The length of described nut is so that when the residing plane of support frame runs to the residing plane parallel of frame, and described bearing seat and frame are thrown off and so that described screw mandrel is in collapsed state namely near the location status of support frame.
Preferably, the side away from closed chain five link-type leveling equipments on the described platform framework is provided with walking roller.
Preferably, described connecting device comprises to be regulated connecting plate and is connected bearing pin, and an end and the described support frame of described adjusting connecting plate are hinged, an end of the adjusting connecting plate end that is set to suspend, and distolateral being provided with that suspend of adjusting connecting plate is convenient to connect the mounting hole that bearing pin passes; Described adjusting connecting plate is set to four at least, and regulate connecting plate take at least two as one group, each group is regulated connecting plate and all is serially connected by connecting bearing pin and suspension arm of crane.
The beneficial effects of the utility model are:
1), the utility model takes full advantage of plane five-bar mechanism principle, played the effect of efficient adjusting job platform level.
Closed chain five link-type leveling equipments in the utility model comprise five link mechanisms that are made of frame (bar 1), bearing seat (bar 2), screw mandrel (bar 3), nut (bar 4) and support frame (bar 5), described bearing seat, frame, support frame, nut are hinged in twos in turn, again two rhizoid bars are passed bearing seat, output gear and nut, between described screw mandrel and the output gear for key is connected, between screw mandrel and the nut for being threaded, finally formed the five-rod of sealing.
Closed chain five link-type leveling equipments in the utility model are not only simple in structure firm, and parts are few, and cost and operating cost are all lower, and the utility model is easy to use simultaneously, and leveling is effective.
2), at first rotate handwheel during the utility model leveling, handwheel drives the rotation of two rhizoid bars by output shaft, driven wheel and output gear successively, because screw mandrel and bearing seat are fixedly connected, therefore screw mandrel only rotates and with platform framework relative displacement does not occur, thereby force nut far away, near-end to screw mandrel on screw mandrel to slide, change thus the angle between frame and the support frame, guaranteed the levelness of job platform, realized levelling function.Described leading screw and nut consist of screw pair, and the convenient operation personnel drive, and greatly reduce the labour intensity of operating personal.
3), the utility model used two rhizoid bars, increases the safe reliability of leveling equipment, even wherein a rhizoid bar breaks down and also can not produce safety problem.
4), the screw pair in the utility model is for ease of the screw pair of self-locking, can prevent that threaded engagement between the feed screw nut lost efficacy or the operating personal inadvertent is decontroled handwheel and produced the accident of rocking or turning over basket.
5), the articulated structure for ease of dismantling between bearing seat described in the utility model and the frame, then when the length of described nut so that when the residing plane of support frame runs to the residing plane parallel of frame, described bearing seat and frame are thrown off and so that described screw mandrel is in collapsed state namely near the location status of support frame, are kept steadily of centre of gravity thereby be convenient to the crane high-altitude working platform when mobile.
6), the leveling equipment in the utility model adopts rigid member, do not worry the problem of oppositely toppling, and in arm lifting and flexible process, rigid member can not produce and rock.
7), the job platform in the utility model adopts light material to make, structure is light and handy, intensity is high.The utility model also is equipped with roller in the side of job platform, takes to keep flat move mode during platform movement, reduces the center of gravity when moving, and improves travelling performance.
8), the utility model has solved that mechanism in the prior art scheme is complicated, expensive, the problem of complex operation, merged the advantage in the existing scheme, a kind of simple in structure, cheap, simple to operate, easy for installation, applied widely, crane high-altitude working platform that safety and reliability is high is provided, has solved personnel's high-rise working difficult problem of camp site; Simultaneously can reduce personnel labor intensity, alleviate the fear of personal height operation, raise labour efficiency, save construction cost.Therefore, this crane high-altitude working platform is easy to apply in project of transmitting and converting electricity and other have the engineering construction of high-rise working project.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation that the utility model is connected with suspension arm of crane.
Fig. 3 is the structural representation of five link mechanisms in the closed chain five link-type leveling equipments.
Fig. 4 is the structural representation of driver train in the closed chain five link-type leveling equipments.
Fig. 5 is the structural representation of nut when running to end position.
Fig. 6 is the structural representation that screw mandrel is in collapsed state.
The implication of mark is as follows among the figure:
1-job platform, 2-handwheel 3-connection bearing pin 4-suspension arm of crane
5-regulate 6-output gear, the 7-driven wheel of winning in succession
8-crane major-minor arm bindiny mechanism, 9-frame, 10-support frame, 11-nut
12-screw mandrel, 13-bearing seat, 14-walking roller
The specific embodiment
As shown in Figure 1, 2, a kind of universal adjustable crane high-altitude working platform, comprise platform framework 1, this crane high-altitude working platform also comprises the closed chain five link-type leveling equipments that link to each other with described platform framework 1, and described closed chain five link-type leveling equipments link to each other with suspension arm of crane 4 by connecting device; Described closed chain five link-type leveling equipments, platform framework 1, the connecting device three is fitted to each other so that platform framework 1 is in horizontality aloft during operation.
Preferably, as shown in Figure 3, described closed chain five link-type leveling equipments comprise five link mechanisms that are made of frame 9, bearing seat 13, screw mandrel 12, nut 11 and support frame 10; Described frame 9 and described platform framework 1 are affixed, the lower end of the upper end of described frame 9 and bearing seat 13 is hinged, the upper end of described bearing seat 13 links to each other with the termination section of screw mandrel 12, the shaft of described screw mandrel 12 consists of spiral with nut 11 and cooperates, end away from the lower end of screw mandrel 12 and support frame 10 of described nut 11 consists of hinged, and the lower end formation of the other end of described support frame 10 and frame 9 is hinged; Described support frame 10 links to each other with suspension arm of crane 4 by connecting device; Described closed chain five link-type leveling equipments also comprise drive that screw mandrel 12 rotates so that nut 11 along the shaft of screw mandrel 12 move, final so that support frame 10 makes the driver train of described platform framework 1 leveling around rotating with the hinged place of frame 9.
Further, shown in Fig. 1,4, described screw mandrel 12 is set to parallel two, and described nut 11 also is set to two accordingly; Described driver train comprises handwheel 2, driven wheel 7 and output gear, the middle part of circular handwheel 2 is provided with output shaft, described output shaft is sheathed to be fixed in the bearing that is arranged on the bearing seat 13, and described driven wheel 7 is arranged on the mouth that passes bearing of described output shaft; Described output gear is set to two, and two output gears are corresponding sheathed being fixed on two screw mandrels 12 respectively, and two output gears divide the both sides that are located at driven wheel 7 and all mesh with driven wheel 7.
Preferably, consist of ball screw assembly, between described screw mandrel 12 and the nut 11.
Further, the ball screw assembly, between described screw mandrel 12 and the nut 11 is for ease of the ball screw assembly, of self-locking.
Preferably, shown in Fig. 5,6, the articulated structure for ease of dismantling between described bearing seat 13 and the frame 9; The length of described nut 11 is so that when support frame 10 residing planes run to frame 9 residing plane parallel, and described bearing seat 13 is thrown off with frame 9 and so that described screw mandrel 12 is in collapsed state namely near the location status of support frame 10.
Preferably, shown in Fig. 5,6, the side away from closed chain five link-type leveling equipments on the described platform framework 1 is provided with walking roller.
Preferably, as shown in Figure 4, described connecting device comprises to be regulated connecting plate 5 and is connected bearing pin 3, and an end and the described support frame 10 of described adjusting connecting plate 5 are hinged, an end of regulating connecting plate 5 end that is set to suspend, and distolateral being provided with that suspend of adjusting connecting plate 5 is convenient to connect the mounting hole that bearing pin 3 passes; Described adjusting connecting plate 5 is set to four at least, and regulate connecting plate 5 take at least two as one group, each group is regulated connecting plate and all is serially connected with suspension arm of crane 4 by connecting bearing pin 3.
Below in conjunction with accompanying drawing working process of the present utility model is described further.
At first carry out whole installation.
In Fig. 2, at first, make frame 9 and platform framework 1 welding in the leveling equipment, after welding is finished, platform framework 1 is connected with leveling equipment is connected with suspension arm of crane 4 again; Secondly, with the support frame 10 in the leveling equipment with regulate 5 the end use bolt of winning in succession and be connected; At last, adjusting is won in succession 5 the other end connects by being connected pivot pin 3 with suspension arm of crane 4.
In installation process, as shown in Figure 4, regulate connecting plate 5 can lateral rotation to change openings of sizes, do suitable adjustment according to height and width between the crane major-minor arm bindiny mechanism 8 on the crane.Accordingly, platform framework 1 and leveling equipment can be installed on the suspension arm of crane 4.
Then carry out the installation of closed chain five link-type leveling equipments.
In Fig. 3, frame 9 is welded on the platform framework 1, bearing seat 13 is hinged with the top of frame 9, two rhizoid bars 12 pass bearing seat 13, and output gear 6 and nut 11 are installed on the screw mandrel 12, are connected for key between output gear 6 and the screw mandrel 12, nut 11 and screw mandrel 12 are for being threaded, one end and the nut 11 of support frame 10 are hinged, and the other end of support frame 10 and frame 9 are hinged, form the levelling gear of sealing.
During work, crane is wanted lifting platform framework 1, along with suspension arm of crane 4 lifts platform framework 1 gradually, the inclination angle appears between platform framework 1 and the ground, for keeping platform framework 1 level, just need rotation hand wheel 2, handwheel 2 drives driven wheel 7 successively by output shaft, output gear 6 rotates, described output gear 6 drives screw mandrel 12 and rotates, produce relative displacement between ball screw 12 and the nut 11, also being nut 11 moves along the shaft of screw mandrel 12, screw mandrel 12 rotates in the leveling equipment at this moment, nut 11 slippages, the angle of three hinged places of leveling equipment all changes, and changes the angle between frame 9 and the support frame 10, namely change the angle between platform framework 1 and the suspension arm of crane 4, thereby can keep platform framework 1 to keep horizontality always.
The decline process is opposite with said process, only needs contrarotation screw mandrel 12 just can.
In sum, the utility model provides a kind of simple in structure, cheap, reliable, simple to operate, easy for installation, applied widely, self-mountable ﹠ dismountuble crane high-rise working service platform and levelling gear thereof that safety is higher.
Claims (8)
1. universal adjustable crane high-altitude working platform, comprise platform framework (1), it is characterized in that: this crane high-altitude working platform also comprises the closed chain five link-type leveling equipments that link to each other with described platform framework (1), and described closed chain five link-type leveling equipments link to each other with suspension arm of crane (4) by connecting device; Described closed chain five link-type leveling equipments, platform framework (1), the connecting device three is fitted to each other so that platform framework (1) is in horizontality aloft during operation.
2. universal adjustable crane high-altitude working platform according to claim 1 is characterized in that:
Described closed chain five link-type leveling equipments comprise five link mechanisms that are made of frame (9), bearing seat (13), screw mandrel (12), nut (11) and support frame (10);
Described frame (9) is affixed with described platform framework (1), the lower end of the upper end of described frame (9) and bearing seat (13) is hinged, the upper end of described bearing seat (13) links to each other with the termination section of screw mandrel (12), the shaft of described screw mandrel (12) consists of spiral with nut (11) and cooperates, end away from the lower end of screw mandrel (12) and support frame (10) of described nut (11) consists of hinged, and the lower end formation of the other end of described support frame (10) and frame (9) is hinged; Described support frame (10) links to each other with suspension arm of crane (4) by connecting device;
Described closed chain five link-type leveling equipments also comprise drive that screw mandrel (12) rotates so that nut (11) along the shaft of screw mandrel (12) move, final so that support frame (10) makes the driver train of described platform framework (1) leveling around rotating with the hinged place of frame (9).
3. universal adjustable crane high-altitude working platform according to claim 2 is characterized in that:
Described screw mandrel (12) is set to parallel two, and described nut (11) also is set to two accordingly;
Described driver train comprises handwheel (2), driven wheel (7) and output gear, the middle part of circular handwheel (2) is provided with output shaft, described output shaft is sheathed to be fixed in the bearing that is arranged on the bearing seat (13), and described driven wheel (7) is arranged on the mouth that passes bearing of described output shaft; Described output gear is set to two, and two output gears are corresponding sheathed being fixed on two screw mandrels (12) respectively, and two output gears divide the both sides that are located at driven wheel (7) and all mesh with driven wheel (7).
4. universal adjustable crane high-altitude working platform according to claim 2 is characterized in that: consist of ball screw assembly, between described screw mandrel (12) and the nut (11).
5. universal adjustable crane high-altitude working platform according to claim 4, it is characterized in that: the ball screw assembly, between described screw mandrel (12) and the nut (11) is for ease of the ball screw assembly, of self-locking.
6. each described universal adjustable crane high-altitude working platform is characterized in that: the articulated structure for ease of dismantling between described bearing seat (13) and the frame (9) according to claim 2～5; The length of described nut (11) is so that when the residing plane of support frame (10) runs to the residing plane parallel of frame (9), and described bearing seat (13) is thrown off with frame (9) and so that described screw mandrel (12) is in collapsed state namely near the location status of support frame (10).
7. each described universal adjustable crane high-altitude working platform according to claim 1～5, it is characterized in that: the side away from closed chain five link-type leveling equipments on the described platform framework (1) is provided with walking roller.
8. each described universal adjustable crane high-altitude working platform according to claim 2～5, it is characterized in that: described connecting device comprises to be regulated connecting plate (5) and is connected bearing pin (3), one end of described adjusting connecting plate (5) and described support frame (10) are hinged, an end of regulating connecting plate (5) end that is set to suspend, and distolateral being provided with that suspend of adjusting connecting plate (5) is convenient to connect the mounting hole that bearing pin (3) passes; Described adjusting connecting plate (5) is set to four at least, and regulate connecting plate (5) take at least two as one group, each group is regulated connecting plate and all is serially connected by connecting bearing pin (3) and suspension arm of crane (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200540392U CN203255939U (en) | 2013-01-31 | 2013-01-31 | Universal adjustable type hoist high-place operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200540392U CN203255939U (en) | 2013-01-31 | 2013-01-31 | Universal adjustable type hoist high-place operation platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203255939U true CN203255939U (en) | 2013-10-30 |
Family
ID=49468524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200540392U Expired - Lifetime CN203255939U (en) | 2013-01-31 | 2013-01-31 | Universal adjustable type hoist high-place operation platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203255939U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107253693A (en) * | 2017-07-22 | 2017-10-17 | 合肥亚美科技股份有限公司 | A kind of crank type aerial working platform |
| CN109019460A (en) * | 2018-10-31 | 2018-12-18 | 徐州徐工随车起重机有限公司 | A kind of height idle job vehicle levelling mechanism and height idle job vehicle |
-
2013
- 2013-01-31 CN CN2013200540392U patent/CN203255939U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107253693A (en) * | 2017-07-22 | 2017-10-17 | 合肥亚美科技股份有限公司 | A kind of crank type aerial working platform |
| CN109019460A (en) * | 2018-10-31 | 2018-12-18 | 徐州徐工随车起重机有限公司 | A kind of height idle job vehicle levelling mechanism and height idle job vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131030 |
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| CX01 | Expiry of patent term |