CN218290231U - Adjustable pulley bracket of tower crane - Google Patents
Adjustable pulley bracket of tower crane Download PDFInfo
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- CN218290231U CN218290231U CN202222515986.9U CN202222515986U CN218290231U CN 218290231 U CN218290231 U CN 218290231U CN 202222515986 U CN202222515986 U CN 202222515986U CN 218290231 U CN218290231 U CN 218290231U
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- pulley
- frame
- servo motor
- bracket
- mounting
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Abstract
The utility model discloses an adjustable pulley bracket of tower machine belongs to tower machine pulley bracket technical field, include: the pulley comprises a mounting frame and a pulley body arranged below the mounting frame, wherein an adjusting assembly is arranged at the bottom of the mounting frame, and a limiting assembly is arranged above the pulley body; the adjusting part comprises a first servo motor and an installation frame, wherein the first servo motor and the installation frame are installed at the bottom of the inner side of the installation frame, the output end of the first servo motor penetrates through the bottom of the installation frame and is fixed at the top center of the installation frame, a pulley frame is arranged on the inner side of the installation frame, a second servo motor is installed on the outer wall of one side of the installation frame, and the output end of the second servo motor penetrates through the side wall of the installation frame and is fixed on the corresponding side of the pulley frame. This adjustable pulley support of tower machine, the angle and the orientation to the pulley body that can be convenient are adjusted, and can be stable convenient relative height of adjusting rope blocking rod.
Description
Technical Field
The utility model belongs to the technical field of tower machine pulley bracket, especially, adjustable pulley bracket of tower machine.
Background
The tower crane is a rotary crane with a movable arm mounted on the upper part of a tower body, and comprises the tower body, the movable arm, a pulley and other structures, wherein the pulley is usually mounted on one side of the movable arm by a pulley support.
For example, the application number of the Chinese utility model is CN202122336440.2, the lower end of the frame connecting seat is connected with a middle connecting plate, and the lower end of the middle connecting plate is provided with a pulley block assembly; two ends of the support frame are provided with side connecting plates, and the side connecting plates are fixed with rotary connecting shafts through shaft holes; the pulley block assembly is provided with a pulley connecting plate, and a telescopic position connecting hole is formed in the pulley connecting plate. The utility model discloses with original fixed dimension's pulley bracket, become scalable form and take the rotatory pulley bracket of angle, can effectually overcome because of the pulley fixed bolster can't adjust the problem, when the high influence of change width of cloth wire rope hand jib piece formula or jack-up wire rope grind the oblique web member of jib loading boom and rise wire rope and grind oblique web member or last quarter, can solve wire rope and grind the rope problem according to the height of actual conditions adjustment support or the angle of rotatory pulley bracket.
However, the existing device has the problem that the angle and the orientation of the pulley body cannot be conveniently adjusted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adjustable pulley bracket of tower machine to solve the problem that proposes in the background art.
The technical scheme is as follows: an adjustable pulley bracket of a tower crane, comprising:
the pulley comprises a mounting frame and a pulley body arranged below the mounting frame, wherein an adjusting assembly is arranged at the bottom of the mounting frame, and a limiting assembly is arranged above the pulley body;
the adjusting part comprises a first servo motor and an installation frame, wherein the first servo motor and the installation frame are installed at the bottom of the inner side of the installation frame, the output end of the first servo motor penetrates through the bottom of the installation frame and is fixed at the top center of the installation frame, a pulley frame is arranged on the inner side of the installation frame, a second servo motor is installed on the outer wall of one side of the installation frame, and the output end of the second servo motor penetrates through the side wall of the installation frame and is fixed on the corresponding side of the pulley frame.
In a further embodiment, the limiting assembly comprises a rope blocking rod arranged above the pulley body, an electric telescopic rod is fixedly inserted into the center of the top of the pulley frame, and the output end of the electric telescopic rod is connected to the top of the rope blocking rod.
In a further embodiment, sliding blocks are mounted at two ends of the rope blocking rod, and sliding grooves for accommodating the sliding blocks are formed in the inner wall of the pulley frame.
In a further embodiment, the two ends of the pulley body are both connected with rotating rods, and the rotating rods are mounted on the inner walls of the corresponding sides of the pulley frame through ball bearings.
In a further embodiment, a rotating shaft movably inserted in the inner wall of the mounting frame is installed on one side of the pulley frame, which is far away from the servo motor II, and a self-locking bearing is installed at the joint of the rotating shaft and the mounting frame.
In a further embodiment, a plurality of first fixing screw holes are uniformly formed in the top of the mounting frame.
The utility model discloses a technological effect and advantage: according to the adjustable pulley support of the tower crane, the pulley body can be driven to adjust the orientation by driving the mounting frame to rotate through the first servo motor, the pulley frame can be driven to rotate by matching the second servo motor with the rotating shaft so as to drive the pulley body to adjust the angle, and the angle and the orientation of the pulley body can be conveniently adjusted;
the electric telescopic rod can drive the rope blocking rod to vertically adjust the height, and the two ends of the rope blocking rod are limited by the sliding block and the sliding groove in the adjusting process so as to ensure the stability of the lifting process, so that the relative height of the rope blocking rod can be stably and conveniently adjusted;
this adjustable pulley support of tower machine, the angle and the orientation to the pulley body that can be convenient are adjusted, and can be stable convenient relative height of adjusting rope blocking rod.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a cross-sectional view taken along the line a-a of FIG. 1 according to the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.
In the figure: 1. a mounting frame; 2. a pulley body; 3. an adjustment assembly; 4. a restriction component; 5. a first servo motor; 6. installing a frame; 7. a pulley yoke; 8. a rotating shaft; 9. a servo motor II; 10. an electric telescopic rod; 11. a rope blocking rod; 12. a slider; 13. a chute; 14. a first fixing screw hole; 15. a fixing plate; 16. and fixing the screw hole II.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
In order to solve the problem, the utility model provides an adjustable pulley bracket of tower machine as shown in figure 1 to figure 3, include: mounting bracket 1 with install pulley body 2 in mounting bracket 1 below, a plurality of fixed screw 14 have evenly been seted up at mounting bracket 1's top, and fixed plate 15 has all been welded at the top of the 1 symmetrical both sides outer wall of mounting bracket, and a plurality of fixed screw two 16 have evenly been seted up at the top of fixed plate 15, can install the bolt additional through fixed screw one 14 and fixed screw two 16 alright with the device fix in the corresponding side of swing arm, increase the stability of installation.
In order to conveniently adjust the angle and the orientation of the pulley body 2, as shown in fig. 2 and 3, an adjusting component 3 is installed at the bottom of the mounting frame 1, the adjusting component 3 comprises a first servo motor 5 installed at the bottom of the inner side of the mounting frame 1, a reinforcing ring is fixedly sleeved on the side wall of the first servo motor 5 and installed at the bottom of the inner side of the mounting frame 1 through a plurality of bolts, the working stability of the first servo motor 5 is improved, an installation frame 6 is arranged at the bottom of the mounting frame 1, the output end of the first servo motor 5 penetrates through the bottom of the mounting frame 1 and is fixed at the center of the top of the installation frame 6 through bolts, a pulley frame 7 is arranged at the inner side of the installation frame 6, a second servo motor 9 is installed at one side of the installation frame 6 through the outer wall of a motor base, and the output end of the second servo motor 9 penetrates through the side wall of the mounting frame 6 and is fixed at the corresponding side of the pulley frame 7 through bolts;
In order to can be stable convenient regulation rope blocking rod's relative height, like fig. 2 and fig. 3, restriction subassembly 4 is installed to pulley body 2's top, restriction subassembly 4 is including setting up rope blocking rod 11 in pulley body 2 top, and pulley yoke 7's top center is fixed to be pegged graft and is had electric telescopic handle 10 (its model is right the utility model discloses the function does not produce the influence, does not do not consequently injectly), and electric telescopic handle 10's output passes through the screw connection at rope blocking rod 11's top, and rope blocking rod 11's both ends all have slider 12 through the screw mounting, and pulley yoke 7's inner wall constructs has the spout 13 that holds slider 12, and cooperation slider 12 can promote the stability of rope blocking rod 11 lift process.
According to the working principle, the adjustable pulley support of the tower crane can be fixed on the corresponding side of a movable arm of the tower crane by additionally installing bolts through the first fixing screw hole 14 and the second fixing screw hole 16, then the device is connected with an external power supply, the pulley body 2 can be driven to adjust the orientation by driving the mounting frame 6 to rotate through the first servo motor 6, and the pulley frame 7 can be driven to rotate by matching the output end of the second servo motor 9 with the rotating shaft 8 so as to drive the pulley body 2 to adjust the angle;
can drive rope blocking rod 11 through electric telescopic handle 10 and directly go on altitude mixture control from top to bottom, and the both ends of rope blocking rod 11 all carry on spacingly through slider 12 and spout 13 in the accommodation process in order to ensure the stability of lift process.
It is noted that, in this document, relational terms such as one and two are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An adjustable pulley support of tower machine, includes:
the pulley device comprises a mounting frame (1) and a pulley body (2) arranged below the mounting frame (1), wherein an adjusting component (3) is arranged at the bottom of the mounting frame (1), and a limiting component (4) is arranged above the pulley body (2);
the method is characterized in that: adjusting part (3) including installing servo motor (5) in mounting bracket (1) inboard bottom and setting up installing frame (6) in mounting bracket (1) bottom, and the output of servo motor (5) runs through the bottom of mounting bracket (1) and fixes at the top center of installing frame (6), the inboard of installing frame (6) is provided with pulley yoke (7), servo motor two (9) are installed to one side outer wall of installing frame (6), and the output of servo motor two (9) runs through the lateral wall of installing frame (6) and fixes the side that corresponds at pulley yoke (7).
2. The adjustable pulley bracket of the tower crane according to claim 1, characterized in that: the limiting component (4) comprises a rope blocking rod (11) arranged above the pulley body (2), an electric telescopic rod (10) is fixedly inserted in the center of the top of the pulley yoke (7), and the output end of the electric telescopic rod (10) is connected to the top of the rope blocking rod (11).
3. The adjustable pulley bracket of the tower crane according to claim 2, characterized in that: and sliding blocks (12) are mounted at two ends of the rope blocking rod (11), and sliding grooves (13) for accommodating the sliding blocks (12) are formed in the inner wall of the pulley frame (7).
4. The adjustable pulley bracket of the tower crane according to claim 1, characterized in that: the two ends of the pulley body (2) are connected with rotating rods, and the rotating rods are mounted on the inner walls of the corresponding sides of the pulley frame (7) through ball bearings.
5. The adjustable pulley bracket of the tower crane according to claim 1, characterized in that: one side of the pulley yoke (7) far away from the second servo motor (9) is provided with a rotating shaft (8) movably inserted in the inner wall of the mounting frame (6), and the joint of the rotating shaft (8) and the mounting frame (6) is provided with a self-locking bearing.
6. The adjustable pulley bracket of the tower crane according to claim 1, characterized in that: the top of the mounting rack (1) is uniformly provided with a plurality of first fixing screw holes (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222515986.9U CN218290231U (en) | 2022-09-22 | 2022-09-22 | Adjustable pulley bracket of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222515986.9U CN218290231U (en) | 2022-09-22 | 2022-09-22 | Adjustable pulley bracket of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218290231U true CN218290231U (en) | 2023-01-13 |
Family
ID=84805815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222515986.9U Active CN218290231U (en) | 2022-09-22 | 2022-09-22 | Adjustable pulley bracket of tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218290231U (en) |
-
2022
- 2022-09-22 CN CN202222515986.9U patent/CN218290231U/en active Active
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