CN214780371U - Rope supporting trolley structure of tower crane - Google Patents
Rope supporting trolley structure of tower crane Download PDFInfo
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- CN214780371U CN214780371U CN202120137278.9U CN202120137278U CN214780371U CN 214780371 U CN214780371 U CN 214780371U CN 202120137278 U CN202120137278 U CN 202120137278U CN 214780371 U CN214780371 U CN 214780371U
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- guide rail
- wheel
- main body
- tower crane
- tension spring
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Abstract
The utility model discloses a rope supporting trolley structure of tower crane, including the dolly main part that can be on the jib loading boom reciprocating motion, be provided with the leading wheel in the dolly main part, in the moving direction of every leading wheel, the position is provided with the unit that opens ice respectively around every leading wheel. The utility model discloses a set up the roller wheel, realized the roll-in to the ice sheet on the guide rail, through setting up the tooth, improved the crushing effect to the ice sheet, set up the clearance simultaneously between adjacent tooth, realized beating and producing the vibration to the guide rail, the broken of ice sheet and the speed that drops with higher speed, through setting up the extension spring, realized the effective contact of roller wheel with the guide rail, the utility model discloses can effectively improve the breakage to the ice sheet on the guide rail, it is an easy season that freezes to have solved winter in the north, to the support rope dolly removal of tower machine very big influence, cause the problem of accident easily.
Description
Technical Field
The utility model relates to a tower machine holds in palm rope dolly, concretely relates to tower crane's support rope dolly structure belongs to tower crane technical field.
Background
The tower crane is the most common hoisting equipment in construction sites, and is called as a tower crane, which is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction by virtue of extension (height) of each section (called as a standard section for short). The tower crane is an indispensable device on a construction site.
However, the winter in the north is a season easy to freeze, which has great influence on the movement of the rope supporting trolley of the tower crane and is easy to cause accidents.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's the aforesaid not enough, provide a tower crane's support rope dolly structure with deicing function.
In order to solve the above problem, the utility model adopts the following technical scheme: a rope supporting trolley structure of a tower crane comprises a trolley main body which can move on a crane boom in a reciprocating way, a guide wheel is arranged on the trolley main body, in the moving direction of each guide wheel, the front and the rear of each guide wheel are respectively provided with an ice breaking unit, each ice breaking unit is respectively connected with the trolley main body through a pressing unit, each ice breaking unit comprises a roller wheel capable of rotating, a guide rail matched with the guide wheel is arranged on the crane boom, the upper end surface of the guide rail is arc-shaped, the rolling wheel is provided with an arc-shaped groove matched with the upper end surface of the guide rail, a plurality of teeth are annularly arrayed on the outer circumference of the rolling wheel, the longitudinal sections of the teeth are trapezoidal, and a certain distance is arranged between every two adjacent teeth to form a gap, the teeth are arc-shaped along the axial direction of the rolling wheel, and the widths of the teeth from the middle parts to the two ends are sequentially increased.
The following is the utility model discloses to the further optimization of above-mentioned scheme: each pressing unit comprises a supporting rod capable of swinging up and down, a rolling wheel is installed at one end of the supporting rod, and the other end of the supporting rod is hinged with the trolley main body through a rotating shaft.
Further optimization: the rolling wheel is connected with one side of the supporting rod through a cylinder at a position close to the end part, one end of the cylinder is connected with the supporting rod, and the other end of the cylinder is coaxially and rotatably connected with the rolling wheel through a bearing.
Further optimization: the trolley is characterized in that a tension spring is arranged between the support rod and the trolley main body, a first cross rod matched with one end of the tension spring is arranged on the support rod, and one end of the tension spring is hung on the first cross rod.
Further optimization: and a second cross rod matched with the other end of the tension spring is fixedly arranged at a position, close to the lower part of the rotating shaft, on the trolley main body, and the other end of the tension spring is hung on the second cross rod.
Further optimization: and a third cross rod matched with the other end of the tension spring is fixedly arranged at a position, close to the upper part of the rotating shaft, on the trolley main body.
When the trolley is used, one end of the tension spring, which is far away from the first cross rod, is hung on the second cross rod, the supporting rod rotates downwards under the action of the tension force of the tension spring and drives the roller pressing wheel to be pressed on the guide rail, then the trolley main body moves on the crane boom along the trend of the guide rail and drives the roller pressing wheel to roll on the guide rail, and the trolley main body is sequentially contacted with the guide rail through each tooth, rolls an ice layer and generates vibration;
when ice breaking is not needed, one end of the tension spring, which is far away from the first cross rod, is hung on the third cross rod, and the supporting rod rotates upwards under the tensile force of the tension spring to drive the rolling wheel to be separated from the guide rail.
The utility model discloses a set up the roller wheel, realized the roll-in to the ice sheet on the guide rail, through setting up the tooth, improved the crushing effect to the ice sheet, set up the clearance simultaneously between adjacent tooth, realized beating and producing the vibration to the guide rail, the broken of ice sheet and the speed that drops with higher speed, through setting up the extension spring, realized the effective contact of roller wheel with the guide rail, the utility model discloses can effectively improve the breakage to the ice sheet on the guide rail, it is an easy season that freezes to have solved winter in the north, to the support rope dolly removal of tower machine very big influence, cause the problem of accident easily.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a pressing unit according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an ice breaking unit according to an embodiment of the present invention.
In the figure: 1-a trolley main body; 2-a guide wheel; 3-rolling the wheel; 4-an arc-shaped groove; 5-a support rod; 6-tooth; 7-cylinder; 8-a first cross bar; 9-a tension spring; 10-a second cross bar; 11-a third cross-bar; 12-clearance; 13-rotating shaft.
Detailed Description
In the embodiment, as shown in fig. 1 to 3, a rope supporting trolley structure of a tower crane comprises a trolley body 1 capable of reciprocating on a crane boom, guide wheels 2 are arranged on the trolley body 1, ice breaking units are respectively arranged at the front and rear positions of each guide wheel 2 in the moving direction of each guide wheel 2, and each ice breaking unit is respectively connected with the trolley body 1 through a pressing unit.
Each ice breaking unit comprises a rolling wheel 3 capable of rotating, a guide rail matched with the guide wheel 2 is arranged on the crane boom, and the rolling wheel 3 is attached to the upper end face of the guide rail so as to roll ice on the guide rail.
The upper end face of the guide rail is arc-shaped, and the rolling wheel 3 is provided with an arc-shaped groove 4 matched with the upper end face of the guide rail, so that the rolling wheel 3 can be effectively contacted with the guide rail.
A plurality of teeth 6 are annularly arrayed on the outer circumference of the rolling wheel 3, so that impact on an ice layer is facilitated, and the crushing of the warp layer is further improved.
The longitudinal section of each tooth 6 is trapezoidal, and a certain distance is reserved between every two adjacent teeth 6 to form a gap 12, so that the teeth 6 can impact the guide rail along with the rotation of the rolling wheel 3, and further generate vibration.
The teeth 6 are arc-shaped along the axial direction of the rolling wheel 3 and are matched with the radian of the arc-shaped groove 4, so that the teeth 6 are conveniently arranged on the rolling wheel 3.
The width of the teeth 6 is increased from the middle part to the two ends in sequence, so that the effective contact of the teeth on the ice layer is improved, and the crushing efficiency is improved.
Each pressing unit comprises a supporting rod 5 capable of swinging up and down, a rolling wheel 3 is installed at one end of the supporting rod 5, and the other end of the supporting rod 5 is hinged with the trolley main body 1 through a rotating shaft 13.
The position that one side of roller 3 is close to the tip through cylinder 7 and bracing piece 5 is connected, the one end and the bracing piece 5 fixed connection of cylinder 7, the other end of cylinder 7 passes through the bearing and is connected with the coaxial rotation of roller 3, the rotation of the roller 3 of being convenient for of design like this.
Be provided with extension spring 9 between bracing piece 5 and the dolly main part 1, be provided with on the bracing piece 5 with the first horizontal pole 8 of the one end cooperation use of extension spring 9, the one end of extension spring 9 is hung on first horizontal pole 8 for stimulate bracing piece 5.
A second cross rod 10 matched with the other end of the tension spring 9 for use is fixedly arranged at a position, close to the lower part of the rotating shaft 13, on the trolley main body 1, the other end of the tension spring 9 is hung on the second cross rod 10, and the design is convenient for the supporting rod 5 to tightly press the rolling wheel 3 on the guide rail.
The position that is close to pivot 13 top on the dolly main part 1 is fixed to be installed with the third horizontal pole 11 that uses with the cooperation of the extension spring 9 other end, can hang the extension spring 9 other end on third horizontal pole 11 when not needing to open ice to third horizontal pole 11 is upwards lifted up, and then drives the separation of roller 3 and guide rail.
The guide wheel 2 and the rolling wheel 3 which are positioned on the same side are positioned on the same straight line, so that the design is convenient for being matched with a corresponding guide rail.
When the trolley is used, one end of the tension spring 9, which is far away from the first cross rod 8, is hung on the second cross rod 10, the support rod 5 rotates downwards under the action of the tension spring 9 and drives the rolling wheel 3 to be tightly pressed on the guide rail, then the trolley main body 1 moves on the crane boom along the trend of the guide rail and drives the rolling wheel 3 to roll on the guide rail, and each tooth 6 is sequentially contacted with the guide rail, rolls an ice layer and generates vibration;
when ice breaking is not needed, one end, far away from the first cross rod 8, of the tension spring 9 is hung on the third cross rod 11, and the support rod 5 rotates upwards under the tensile force of the tension spring 9 to drive the rolling wheel 3 to be separated from the guide rail.
The utility model discloses a set up the roller wheel, realized the roll-in to the ice sheet on the guide rail, through setting up the tooth, improved the crushing effect to the ice sheet, set up the clearance simultaneously between adjacent tooth, realized beating and producing the vibration to the guide rail, the broken of ice sheet and the speed that drops with higher speed, through setting up the extension spring, realized the effective contact of roller wheel with the guide rail, the utility model discloses can effectively improve the breakage to the ice sheet on the guide rail, it is an easy season that freezes to have solved winter in the north, to the support rope dolly removal of tower machine very big influence, cause the problem of accident easily.
Having shown and described the basic principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof, and it is therefore intended that the embodiments be considered as exemplary and not limiting in any way, since the scope of the invention is defined by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein and are therefore not to be embraced therein by any reference numerals in the claims.
Claims (6)
1. The utility model provides a rope supporting trolley structure of tower crane which characterized in that: the ice breaking device comprises a trolley main body (1) capable of moving on a crane boom in a reciprocating mode, guide wheels (2) are arranged on the trolley main body (1), ice breaking units are arranged at the front and back positions of each guide wheel (2) in the moving direction of each guide wheel (2) respectively and are connected with the trolley main body (1) through pressing units respectively, each ice breaking unit comprises a roller wheel (3) capable of rotating, a guide rail matched with the guide wheels (2) is arranged on the crane boom, the upper end face of the guide rail is arc-shaped, an arc-shaped groove (4) matched with the upper end face of the guide rail is formed in the roller wheel (3), a plurality of teeth (6) are arrayed on the outer circumference of the roller wheel (3) in an annular mode, the longitudinal sections of the teeth (6) are trapezoidal, a certain distance is reserved between every two adjacent teeth (6), and a gap (12) is formed between every two adjacent teeth (6), the teeth (6) are arc-shaped along the axial direction of the rolling wheel (3), and the widths of the teeth (6) from the middle parts to the two ends are sequentially increased.
2. The rope supporting trolley structure of the tower crane according to claim 1, wherein: each pressing unit comprises a supporting rod (5) capable of swinging up and down, a rolling wheel (3) is installed at one end of the supporting rod (5), and the other end of the supporting rod (5) is hinged with the trolley main body (1) through a rotating shaft (13).
3. The rope supporting trolley structure of the tower crane according to claim 2, wherein: the rolling wheel (3) is connected with the position, close to the end, of one side of the supporting rod (5) through the cylinder (7), one end of the cylinder (7) is connected with the supporting rod (5), and the other end of the cylinder (7) is connected with the rolling wheel (3) in a coaxial rotating mode through a bearing.
4. The rope supporting trolley structure of the tower crane according to claim 3, wherein: a tension spring (9) is arranged between the support rod (5) and the trolley main body (1), a first cross rod (8) matched with one end of the tension spring (9) is arranged on the support rod (5), and one end of the tension spring (9) is hung on the first cross rod (8).
5. The rope supporting trolley structure of the tower crane according to claim 4, wherein: a second cross rod (10) matched with the other end of the tension spring (9) is fixedly installed at a position, close to the lower portion of the rotating shaft (13), on the trolley main body (1), and the other end of the tension spring (9) is hung on the second cross rod (10).
6. The rope supporting trolley structure of the tower crane according to claim 5, wherein: and a third cross rod (11) matched with the other end of the tension spring (9) for use is fixedly installed at a position, close to the upper part of the rotating shaft (13), on the trolley main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120137278.9U CN214780371U (en) | 2021-01-19 | 2021-01-19 | Rope supporting trolley structure of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120137278.9U CN214780371U (en) | 2021-01-19 | 2021-01-19 | Rope supporting trolley structure of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214780371U true CN214780371U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120137278.9U Active CN214780371U (en) | 2021-01-19 | 2021-01-19 | Rope supporting trolley structure of tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214780371U (en) |
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2021
- 2021-01-19 CN CN202120137278.9U patent/CN214780371U/en active Active
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