CN217708665U - Auxiliary hoisting device of tower crane - Google Patents
Auxiliary hoisting device of tower crane Download PDFInfo
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- CN217708665U CN217708665U CN202221230200.2U CN202221230200U CN217708665U CN 217708665 U CN217708665 U CN 217708665U CN 202221230200 U CN202221230200 U CN 202221230200U CN 217708665 U CN217708665 U CN 217708665U
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- tower crane
- electric screw
- hoisting device
- rotating shaft
- connecting seat
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Abstract
The utility model discloses an auxiliary hoisting device of a tower crane, which comprises a supporting seat, wherein the supporting seat is connected with a movable trolley of the tower crane through a main connecting rope; the middle connecting seat is connected to the bottom of the supporting seat through a flange; the screw lifting platform comprises two linked electric screw lifters; the two sides of the adjustable bracket are movably arranged below the middle connecting seat through an electric screw rod lifter; the adjustable bracket comprises two hollowed-out plates in a semicircular structure; two ends of the follower rod are respectively connected with the two hollow plates through the connecting seats, and the follower rod is arranged below the middle rotating shaft; the hanging rings are uniformly distributed on the lower bottom surface of the hollow plate along the circumferential direction of the hollow plate; the hanging ring is provided with a hook; the utility model discloses a tower crane's supplementary hoist device, hoist and mount stability is good, and the security is high.
Description
Technical Field
The utility model relates to a tower crane's hoist device has the supplementary hoist device who relates to a tower crane, belongs to tower crane technical field.
Background
The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range; the hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the development and the use of the crane on the market are more and more extensive. A tower crane, which is a rotary crane with a movable arm arranged at the upper part of a high tower body; the device has large action space and is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction.
The existing hoisting device has the defects in the using process, the size of a lifting hook cannot be adjusted according to the size of a material when the material is hoisted, the situation of material shaking is easy to occur in the hoisting process, and the stability and the safety are low. Therefore, in order to solve the above problems, it is desirable to design an auxiliary hoisting device for a tower crane.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a tower crane's supplementary hoist device, hoist and mount stability is good, and the security is high.
The utility model discloses a tower crane's supplementary hoist device, include
The supporting seat is connected with a moving trolley of the tower crane through a main connecting rope;
the middle connecting seat is connected to the bottom of the supporting seat through a flange;
the screw rod lifting platform comprises two linked electric screw rod hoists; the two electric screw rod hoists are respectively and symmetrically arranged on the middle connecting seat, and the double-linkage electric screw rod hoists are used as a lifting mechanism, so that the stability and the uniformity during lifting can be improved;
the two sides of the adjustable bracket are movably arranged below the middle connecting seat through an electric screw rod lifter; the adjustable bracket comprises two hollowed-out plates in a semicircular structure; the two hollow plates are movably connected through a middle rotating shaft, and are arranged in axial symmetry along the middle rotating shaft; the two hollow plates are respectively hinged with an adjusting screw of the electric screw lifter; in order to improve the hoisting bearing capacity of the adjustable support, the middle rotating shaft can be extended and connected with the middle connecting seat through the connecting piece, so that the hoisting stability and the bearing capacity are improved;
two ends of the follower rod are respectively connected with the two hollow plates through the connecting seats, and the follower rod is arranged below the middle rotating shaft;
the hanging rings are uniformly distributed on the lower bottom surface of the hollow plate along the circumferential direction of the hollow plate; the hanging rings are provided with hooks, the lower bottom surface of the hollow plate is provided with a plurality of layers of hanging rings, and when the hollow plate is not completely unfolded, the hanging rings on the inner layer and the outer layer can be arranged in a high-low mode and are used for hoisting special-shaped materials (materials with high middle parts and low two sides); the plurality of hooks are arranged, so that the force can be uniformly distributed during hoisting, the stability during the hoisting process is improved, the material falling caused by falling or damage of a single hook can be avoided, and the safety during hoisting is improved;
the intermediate connecting base is connected with the main connecting rope by using the supporting base, and the supporting base and the intermediate connecting base can be driven to lift up and down by a winding mechanism of the main connecting rope in the hoisting process; when the hoisting is prepared, firstly, the unfolding condition of the adjustable bracket is adjusted according to the size of an object to be hoisted, and the hook on the adjustable bracket is connected with the object to be hoisted, so that the hoisting operation is realized; by adjusting the unfolding area of the adjustable bracket, stable lifting of materials with different sizes is realized, the situations of shaking and instability of the materials caused by single lifting point in the lifting process are reduced, and the safety during lifting operation is improved; wherein, the expansion adjustment process of the adjustable bracket is as follows: the adjusting screw of the double-linkage electric screw lifter is respectively connected with the two hollow plates of the adjustable support, the two hollow plates are driven to swing up and down around the middle rotating shaft by utilizing the lifting movement of the adjusting screw, the opening and closing of the two hollow plates are realized, and the expansion angle of the adjustable support is adjusted.
Furthermore, a plurality of auxiliary connecting ropes are uniformly distributed on the periphery of the main connecting rope, so that the stability and the connecting strength during hoisting are improved.
Furthermore, an angle sensor is arranged on the middle rotating shaft; the angle sensor is in communication connection with a servo motor of the electric screw elevator through the controller, the angle sensor is used for detecting the rotating angle of the middle rotating shaft, detection signals are transmitted to the controller to be processed and analyzed, and when a set value is reached, the start-stop operation of the servo motor of the electric screw elevator is controlled.
As a preferred embodiment, the connecting seat is vertically arranged below the hollow plate; still install damping spring between follower rod and the connecting seat, the installation has damping spring's follower rod (can set up the multiunit as required) between two fretwork boards, can play the effect of stable direction when the fretwork board carries out angle modulation, and can improve the stability and the security of hoist and mount in-process.
Further, the hook is connected with the hanging ring in a buckling mode.
Compared with the prior art, the utility model discloses an auxiliary hoisting device of tower crane, during the hoist and mount, the expansion area of accessible regulation support realizes the stable of different size materials and lifts by crane, reduces in the hoist and mount process, because of the single material that causes of hoisting point rocks, unstable condition, the security when having improved the hoist and mount operation; set up a plurality of couples on adjustable support, can carry out the equipartition with power when hoist and mount, improve the stability of hoist and mount in-process, and can avoid taking place because of the material tenesmus condition that single couple drops or damages and cause, security when improving hoist and mount.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The components in the drawings are labeled as: 1-supporting seat, 2-main connecting rope, 3-middle connecting seat, 4-electric screw lifter, 41-adjusting screw, 42-servo motor, 5-adjustable bracket, 51-hollow plate, 52-middle rotating shaft, 53-hanging ring, 54-hook, 6-follower rod, 7-connecting seat, 8-auxiliary connecting rope and 9-damping spring.
Detailed Description
Example 1:
the auxiliary hoisting device of the tower crane shown in figure 1 comprises
The supporting seat 1 is connected with a movable trolley of the tower crane through a main connecting rope 2;
the middle connecting seat 3 is connected to the bottom of the supporting seat 1 in a flange mode;
the screw lifting platform comprises two linked electric screw lifters 4; the two electric screw rod hoists 4 are respectively and symmetrically arranged on the middle connecting seat 3, and the double-linkage electric screw rod hoist is adopted as a lifting mechanism, so that the stability and the uniformity during lifting can be improved;
the two sides of the adjustable bracket 5 are movably arranged below the middle connecting seat 3 through an electric screw rod lifter 4; the adjustable bracket 5 comprises two hollow plates 51 in a semicircular structure; the two hollow-out plates 51 are movably connected through a middle rotating shaft 52, and the two hollow-out plates 51 are arranged in axial symmetry along the middle rotating shaft 52; the two hollow plates 51 are respectively hinged with an adjusting screw rod 41 of the electric screw rod lifter;
two ends of the follower rod 6 are respectively connected with the two hollow plates 51 through the connecting seats 7, and the follower rod 5 is arranged below the middle rotating shaft 52;
the hanging rings 53 are uniformly distributed on the lower bottom surface of the hollow plate 51 along the circumferential direction of the hollow plate 51; the hanging ring 53 is provided with the hook 54, and the plurality of hooks are arranged, so that the force can be uniformly distributed during hoisting, the stability during hoisting is improved, the material falling caused by falling or damage of a single hook can be avoided, and the safety during hoisting is improved;
the intermediate connecting base is connected with the main connecting rope by using the supporting base, and the supporting base and the intermediate connecting base can be driven to lift up and down by a winding mechanism of the main connecting rope in the hoisting process; when the hoisting is prepared, firstly, the unfolding condition of the adjustable bracket is adjusted according to the size of an object to be hoisted, and the hook on the adjustable bracket is connected with the object to be hoisted, so that the hoisting operation is realized; by adjusting the expansion area of the adjustable bracket, stable lifting of materials with different sizes is realized, the situations of shaking and instability of the materials caused by single lifting point in the lifting process are reduced, and the safety during lifting operation is improved; wherein, the expansion adjustment process of the adjustable bracket is as follows: the adjusting screw of the double-linkage electric screw lifter is respectively connected with the two hollow plates of the adjustable support, the two hollow plates are driven to swing up and down around the middle rotating shaft by utilizing the lifting movement of the adjusting screw, the opening and closing of the two hollow plates are realized, and the expansion angle of the adjustable support is adjusted.
And a plurality of auxiliary connecting ropes 8 are uniformly distributed on the periphery of the main connecting rope 2, so that the stability and the connecting strength during hoisting are improved.
An angle sensor is arranged on the middle rotating shaft 52; the angle sensor is in communication connection with a servo motor 42 of the electric screw elevator through a controller, the angle sensor is used for detecting the rotating angle of the middle rotating shaft, detection signals are transmitted to the controller to be processed and analyzed, and when a set value is reached, the start-stop operation of the servo motor of the electric screw elevator is controlled.
The connecting seat 7 is vertically arranged below the hollow plate 51; a damping spring 9 is further arranged between the follower rod 6 and the connecting seat 7, the follower rod with the damping spring is arranged between the two hollow plates, the effect of stable guiding can be achieved when the hollow plates are subjected to angle adjustment, and the stability and the safety in the hoisting process can be improved.
The hook 54 is snap-fit connected with the hanging ring 53.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (5)
1. An auxiliary hoisting device of a tower crane is characterized in that: comprises that
The supporting seat is connected with a moving trolley of the tower crane through a main connecting rope;
the middle connecting seat is connected to the bottom of the supporting seat through a flange;
the screw lifting platform comprises two linked electric screw lifters; the two electric screw rod hoists are respectively and symmetrically arranged on the middle connecting seat;
the two sides of the adjustable bracket are movably arranged below the middle connecting seat through an electric screw lifter; the adjustable bracket comprises two hollowed-out plates in a semicircular structure; the two hollow plates are movably connected through a middle rotating shaft, and are arranged in axial symmetry along the middle rotating shaft; the two hollow plates are respectively hinged with an adjusting screw of the electric screw lifter;
two ends of the follower rod are respectively connected with the two hollow plates through the connecting seats, and the follower rod is arranged below the middle rotating shaft;
the hanging rings are uniformly distributed on the lower bottom surface of the hollow plate along the circumferential direction of the hollow plate; the hanging ring is provided with a hook.
2. The auxiliary hoisting device of the tower crane according to claim 1, wherein: and a plurality of auxiliary connecting ropes are uniformly distributed on the periphery of the main connecting rope.
3. The auxiliary hoisting device of the tower crane according to claim 1, wherein: an angle sensor is arranged on the middle rotating shaft; and the angle sensor is in communication connection with a servo motor of the electric screw elevator through a controller.
4. The auxiliary hoisting device of the tower crane according to claim 1, wherein: the connecting seat is vertically arranged below the hollow plate; and a damping spring is also arranged between the follower rod and the connecting seat.
5. The auxiliary hoisting device of the tower crane according to claim 1, wherein: the hook is connected with the hanging ring in a buckling mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221230200.2U CN217708665U (en) | 2022-05-23 | 2022-05-23 | Auxiliary hoisting device of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221230200.2U CN217708665U (en) | 2022-05-23 | 2022-05-23 | Auxiliary hoisting device of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217708665U true CN217708665U (en) | 2022-11-01 |
Family
ID=83795074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221230200.2U Active CN217708665U (en) | 2022-05-23 | 2022-05-23 | Auxiliary hoisting device of tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217708665U (en) |
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2022
- 2022-05-23 CN CN202221230200.2U patent/CN217708665U/en active Active
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