CN114803892A - Liftable tower crane and lifting regulation and control method thereof - Google Patents
Liftable tower crane and lifting regulation and control method thereof Download PDFInfo
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- CN114803892A CN114803892A CN202210535590.2A CN202210535590A CN114803892A CN 114803892 A CN114803892 A CN 114803892A CN 202210535590 A CN202210535590 A CN 202210535590A CN 114803892 A CN114803892 A CN 114803892A
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- bearing
- fixedly connected
- tower body
- rods
- winding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/28—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
- B66C23/30—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of telescopic elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/28—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
- B66C23/32—Self-hoisting cranes
Abstract
The invention relates to the technical field of cranes, in particular to a liftable tower crane and a lifting regulation and control method thereof, which solve the problems that in the prior art, when a tower crane is used, a tower body is installed layer by layer, and when the whole height of the tower crane needs to be regulated, the tower crane can only be installed, so that the working difficulty and the use convenience of the tower crane are greatly increased. A lifting tower crane and a lifting regulation and control method thereof comprise a base, wherein the bottom of the base is fixedly connected with a bearing frame, the inner side of the bearing frame is slidably connected with a bearing plate, the top of the bearing plate is provided with a tower body, and the top end of the tower body is provided with a crane boom. According to the mode provided by the invention, the lifting adjustment of the tower body can be realized through the bearing frame and the components thereof, and the stability of the tower body can be greatly improved by utilizing the bottom frame, the components and the bearing pipes.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a liftable tower crane and a lifting regulation and control method thereof.
Background
The tower crane is a rotary crane with a movable arm arranged at the upper part of a high tower body. The working range is large, and the method is mainly used for vertical transportation of materials and component installation in multi-storey and high-rise building construction. The device consists of a metal structure, a working mechanism and an electrical system. The metal structure comprises a tower body, a movable arm, a base, an attachment rod and the like. The working mechanism has four parts of lifting, amplitude variation, rotation and walking. The electric system comprises a motor, a controller, a power distribution frame, a connecting line, a signal and lighting device and the like.
When the tower crane in the prior art is used, the tower body is installed through one layer, and the whole height of the tower crane can be adjusted only by installing the tower body, so that the working difficulty and the use convenience of the tower crane are greatly increased, and great inconvenience is brought.
Disclosure of Invention
The invention aims to provide a liftable tower crane and a lifting regulation and control method thereof, and solves the problems that in the prior art, when the tower crane is used, a tower body is installed layer by layer, and when the whole height of the tower crane needs to be regulated, the tower crane can only be installed, so that the working difficulty and the use convenience of the tower crane are greatly increased.
In order to achieve the purpose, the invention adopts the following technical scheme:
a liftable tower crane comprises a base, wherein the bottom of the base is fixedly connected with a bearing frame, the inner side of the bearing frame is connected with a bearing plate in a sliding manner, the top of the bearing plate is provided with a tower body, the top end of the tower body is provided with a crane boom, the inner side bottom of the bearing frame is fixedly connected with a large hydraulic cylinder through a bolt, the output end of the large hydraulic cylinder is fixedly connected with the bottom of the bearing plate, the middle part of the tower body is sleeved with a top frame, the inner wall of the top frame is fixedly connected with the tower body through a connecting plate, both sides of the bearing frame are fixedly connected with bottom frames, one side of one of the two bottom frames is fixedly connected with a driving motor through a bolt, the inner sides of the two bottom frames are rotatably connected with winding slide bars, one end of each of the two winding bars respectively penetrates through the side walls of the two bottom frames, and one end of one winding bar is in transmission connection with an output shaft of the driving motor, connect through the belt winding between the one end of two winding poles, and all twine on two winding poles and be connected with the cable wire, the equal fixedly connected with curb plate in outer wall both sides of top frame, and the equal fixedly connected with fixed frame in bottom of two curb plates to the inboard of two fixed frames is all rotated and is connected with the carrier bar, and wherein the one end of two cable wires all runs through the top of two underframe respectively through the notch respectively and two carrier bars between fixed connection.
Preferably, two curb plates respectively with all be equipped with the carrier tube between the top of two underframe, and the equal sliding connection in inboard upper portion and the inboard lower part of carrier tube has interior pole to the carrier tube is all run through to the one end that two interior poles deviate from mutually, wherein two interior poles one end respectively with the bottom of curb plate and the top of underframe between fixed connection.
Preferably, the one end of four interior poles is sliding connection with the link department of two carrier tubes respectively, and the equal fixedly connected with sliding block in both sides of four interior poles, and sliding connection between the inner wall of sliding tray and carrier tube is passed through to the sliding block.
Preferably, the one end of two winding poles all through the pivot respectively with rotate between the inner wall of two underframe be connected, and the other end of two winding poles all runs through the lateral wall of two underframe respectively through the bearing housing, two winding poles are located one of two underframe outsides respectively and have served and all cup jointed the belt pulley, and connect through the belt winding between two belt pulleys.
Preferably, the equal fixedly connected with slider in both sides of loading board, and sliding connection between the slider passes through slide rail and the inner wall of bearer frame, the equal fixedly connected with backup pad in outer wall both sides of top frame, and fixedly connected with lug in lower part one side of backup pad to the lug passes through sliding connection between the lateral wall of slide rail and bearer frame, fixed connection between the inboard bottom of four corners in loading board bottom all through telescopic link and bearer frame.
Preferably, the lifting regulation and control method comprises the following steps:
s: starting the large hydraulic oil cylinder to drive the bearing plate to move up and down in the bearing frame, so that the tower body can be adjusted up and down;
s: meanwhile, when the tower body moves up and down, the driving motor is started to drive the winding rod to rotate, so that the stability of the tower body is maintained through the steel cable while the tower body moves up and down;
s: when the tower body moves up and down, the two inner rods on the inner side of the bearing pipe stretch out and draw back, and the stability of the tower body can be further improved.
The invention has at least the following beneficial effects:
when the liftable tower crane is used, a large hydraulic oil cylinder is started to drive a bearing plate to move up and down in a bearing frame, so that a tower body can be adjusted up and down, and simultaneously when the tower body moves up and down, a driving motor is started to drive a winding rod to rotate, so that the stability of the tower body is maintained through a steel cable when the tower body moves up and down, two inner rods on the inner side of a bearing pipe stretch when the tower body moves up and down, and the stability of the tower body can be further improved. According to the mode provided by the invention, the lifting adjustment of the tower body can be realized through the bearing frame and the components thereof, the stability of the tower body can be greatly improved by utilizing the bottom frame, the components and the bearing pipes, and the problem that the tower body is installed layer by layer when a traditional tower crane is used and only the tower body can be installed when the whole height of the tower crane needs to be adjusted is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a side view structural diagram of the present invention;
FIG. 2 is a front view structural diagram of the present invention;
FIG. 3 is a top view of the structure of the carrying frame of the present invention;
fig. 4 is a bottom view of the side plate of the present invention.
In the figure: 1. a base; 2. a bearing frame; 3. a tower body; 4. a carrier plate; 5. a top frame; 6. a cargo boom; 7. a connecting plate; 8. a support plate; 9. a bump; 10. a slider; 11. a slide rail; 12. a large hydraulic cylinder; 13. a telescopic rod; 14. a side plate; 15. a bottom frame; 16. a winding rod; 17. a drive motor; 18. a steel cord; 19. a carrier tube; 20. an inner rod; 21. a slider; 22. a sliding groove; 23. a notch; 24. a fixing frame; 25. a carrier bar; 26. a belt pulley; 27. a belt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Referring to fig. 1-4, comprising a base 1, wherein the bottom of the base 1 is fixedly connected with a bearing frame 2, the inner side of the bearing frame 2 is slidably connected with a bearing plate 4, the top of the bearing plate 4 is provided with a tower body 3, the top end of the tower body 3 is provided with a crane boom 6, the inner bottom of the bearing frame 2 is fixedly connected with a large hydraulic cylinder 12 through a bolt, the output end of the large hydraulic cylinder 12 is fixedly connected with the bottom of the bearing plate 4, the middle part of the tower body 3 is sleeved with a top frame 5, the inner wall of the top frame 5 is fixedly connected with the tower body 3 through a connecting plate 7, both sides of the bearing frame 2 are fixedly connected with bottom frames 15, one side of one of the two bottom frames 15 is fixedly connected with a driving motor 17 through a bolt, the inner sides of the two bottom frames 15 are rotatably connected with winding slide bars 16, one ends of the two winding bars 16 respectively penetrate through the side walls of the two bottom frames 15, and one end of one winding bar 16 is in transmission connection with a driving motor output shaft 17, one end of each of the two winding rods 16 is connected with each other by a belt 27 in a winding manner, the two winding rods 16 are connected with steel cables 18 in a winding manner, the two sides of the outer wall of the top frame 5 are fixedly connected with side plates 14, the bottoms of the two side plates 14 are fixedly connected with fixed frames 24, the inner sides of the two fixed frames 24 are rotatably connected with bearing rods 25, one end of each of the two steel cables 18 respectively penetrates through the tops of the two bottom frames 15 through a notch 23 and is fixedly connected with the two bearing rods 25, one end of each of the two winding rods 16 is rotatably connected with the inner walls of the two bottom frames 15 through a rotating shaft, the other end of each of the two winding rods 16 respectively penetrates through the side walls of the two bottom frames 15 through a bearing sleeve, a belt pulley 26 is sleeved on one end of each of the two winding rods 16 respectively positioned at the outer sides of the two bottom frames 15, the two belt pulleys 26 are connected by a belt 27 in a winding manner, and the two sides of the bearing plate 4 are fixedly connected with sliders 10, the slide block 10 is connected with the inner wall of the bearing frame 2 in a sliding manner through a slide rail 11, the two sides of the outer wall of the top frame 5 are fixedly connected with supporting plates 8, one side of the lower part of each supporting plate 8 is fixedly connected with a lug 9, the lugs 9 are connected with the side wall of the bearing frame 2 in a sliding manner through the slide rail 11, and four corners of the bottom of the bearing plate 4 are fixedly connected with the bottom of the inner side of the bearing frame 2 through telescopic rods 13;
compared with the prior art that the tower crane is used, the tower body 3 is installed layer by layer, and the whole height of the tower crane can be adjusted only by installing the tower body 3, so that the problems of difficulty in operation and convenience in use of the tower crane are greatly increased.
Example two
Referring to fig. 1-4, bearing pipes 19 are respectively arranged between the two side plates 14 and the tops of the two bottom frames 15, inner rods 20 are respectively connected to the upper portion and the lower portion of the inner side of each bearing pipe 19 in a sliding manner, and the ends of the two inner rods 20, which are opposite to each other, penetrate through the bearing pipes 19, wherein one ends of the two inner rods 20 are respectively fixedly connected to the bottoms of the side plates 14 and the tops of the bottom frames 15, one ends of the four inner rods 20 are respectively connected to the connecting portions of the two bearing pipes 19 in a sliding manner, sliding blocks 21 are respectively fixedly connected to the two sides of the four inner rods 20, and the sliding blocks 21 are connected to the inner walls of the bearing pipes 19 in a sliding manner through sliding grooves 22;
the stability of the entire tower body 3 during the lifting can be further improved by sliding the inner rod 20 in the support pipe 19.
EXAMPLE III
Referring to fig. 1-4, the lifting and lowering regulation and control method includes the following steps:
s1: starting the large hydraulic oil cylinder 12 to drive the bearing plate 4 to move up and down in the bearing frame 2, so that the tower body 3 can be adjusted up and down;
s2: meanwhile, when the tower body 3 moves up and down, the driving motor is started to drive the winding rod 16 to rotate, so that the stability of the tower body 3 is maintained through the steel cable 18 while the tower body 3 moves up and down;
s3: when the tower 3 moves up and down, the two inner rods 20 inside the support tube 19 will extend and contract, and the stability of the tower 3 can be further improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A liftable tower crane comprises a base (1), wherein the bottom of the base (1) is fixedly connected with a bearing frame (2), the inner side of the bearing frame (2) is connected with a bearing plate (4) in a sliding manner, a tower body (3) is installed at the top of the bearing plate (4), and a crane boom (6) is installed at the top end of the tower body (3), the liftable tower crane is characterized in that the inner side bottom of the bearing frame (2) is fixedly connected with a large hydraulic oil cylinder (12) through a bolt, the output end of the large hydraulic oil cylinder (12) is fixedly connected with the bottom of the bearing plate (4), a top frame (5) is sleeved in the middle of the tower body (3), the inner wall of the top frame (5) is fixedly connected with the tower body (3) through a connecting plate (7), both sides of the bearing frame (2) are fixedly connected with bottom frames (15), and one side of one of the two bottom frames (15) is fixedly connected with a driving motor (17) through a bolt, the inner sides of the two bottom frames (15) are rotatably connected with winding slide bars (16), one ends of the two winding bars (16) respectively penetrate through the side walls of the two bottom frames (15), one end of one winding rod (16) is in transmission connection with an output shaft of a driving motor (17), one ends of the two winding rods (16) are in winding connection through a belt (27), and the two winding rods (16) are respectively wound and connected with a steel cable (18), two sides of the outer wall of the top frame (5) are respectively fixedly connected with a side plate (14), and the bottoms of the two side plates (14) are fixedly connected with fixed frames (24), and the inner sides of the two fixed frames (24) are both rotatably connected with a bearing rod (25), one end of each of the two steel cables (18) respectively penetrates through the tops of the two bottom frames (15) through the notches (23) and is fixedly connected with the two bearing rods (25).
2. The liftable tower crane according to claim 1, wherein a bearing pipe (19) is arranged between each of the two side plates (14) and the top of each of the two bottom frames (15), inner rods (20) are slidably connected to the upper inner portion and the lower inner portion of each of the bearing pipes (19), and ends of the two inner rods (20) facing away from each other extend through the bearing pipes (19), wherein one ends of the two inner rods (20) are fixedly connected to the bottom of each of the side plates (14) and the top of each of the bottom frames (15).
3. The liftable tower crane according to claim 2, wherein one end of each of the four inner rods (20) is slidably connected to the connecting portion of each of the two bearing tubes (19), sliding blocks (21) are fixedly connected to both sides of each of the four inner rods (20), and the sliding blocks (21) are slidably connected to the inner walls of the bearing tubes (19) through sliding grooves (22).
4. The liftable tower crane according to claim 1, wherein one end of each of the two winding rods (16) is rotatably connected to the inner walls of the two bottom frames (15) through a rotating shaft, the other end of each of the two winding rods (16) penetrates through the side walls of the two bottom frames (15) through a bearing sleeve, a belt pulley (26) is sleeved on each of the two winding rods (16) at the outer end of each of the two bottom frames (15), and the two belt pulleys (26) are connected to each other in a winding manner through a belt (27).
5. The liftable tower crane according to claim 1, wherein the two sides of the bearing plate (4) are fixedly connected with sliding blocks (10), the sliding blocks (10) are slidably connected with the inner wall of the bearing frame (2) through sliding rails (11), the two sides of the outer wall of the top frame (5) are fixedly connected with supporting plates (8), one side of the lower portion of each supporting plate (8) is fixedly connected with a bump (9), the bumps (9) are slidably connected with the side walls of the bearing frame (2) through the sliding rails (11), and four corners of the bottom of the bearing plate (4) are fixedly connected with the bottom of the inner side of the bearing frame (2) through telescopic rods (13).
6. A lifting and lowering regulation and control method for a liftable tower crane according to claims 1 to 5, wherein the lifting and lowering regulation and control method comprises the following steps:
s1: starting a large hydraulic oil cylinder (12) to drive the bearing plate (4) to move up and down in the bearing frame (2), so that the tower body (3) can be adjusted up and down;
s2: meanwhile, when the tower body (3) moves up and down, the driving motor is started to drive the winding rod (16) to rotate, so that the stability of the tower body (3) is maintained through the steel cable (18) while the tower body (3) moves up and down;
s3: when the tower body (3) moves up and down, the two inner rods (20) on the inner side of the bearing pipe (19) can be extended and contracted, and the stability of the tower body (3) can be further improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210535590.2A CN114803892A (en) | 2022-05-17 | 2022-05-17 | Liftable tower crane and lifting regulation and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210535590.2A CN114803892A (en) | 2022-05-17 | 2022-05-17 | Liftable tower crane and lifting regulation and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114803892A true CN114803892A (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210535590.2A Pending CN114803892A (en) | 2022-05-17 | 2022-05-17 | Liftable tower crane and lifting regulation and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150917A (en) * | 2021-12-20 | 2022-03-08 | 亳州新东智能科技有限公司 | Lifting operation method of lifting type wireless base station tower for 5G communication |
-
2022
- 2022-05-17 CN CN202210535590.2A patent/CN114803892A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150917A (en) * | 2021-12-20 | 2022-03-08 | 亳州新东智能科技有限公司 | Lifting operation method of lifting type wireless base station tower for 5G communication |
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