CN217867863U - Tower crane rotation braking system - Google Patents
Tower crane rotation braking system Download PDFInfo
- Publication number
- CN217867863U CN217867863U CN202222061820.4U CN202222061820U CN217867863U CN 217867863 U CN217867863 U CN 217867863U CN 202222061820 U CN202222061820 U CN 202222061820U CN 217867863 U CN217867863 U CN 217867863U
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- tower crane
- tower machine
- pedal
- pulley
- brake
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Abstract
The utility model belongs to the technical field of the braking equipment technique and specifically relates to a tower machine gyration braking system is related to, including install running-board in tower machine control chamber, the oil silk rope that is connected with the running-board, be controlled by running-board and oil silk rope and the brake equipment of action, the last brake block that is fixed with of brake equipment is located the outside of tower machine directive wheel, receives the drive back cohesion tower machine directive wheel of running-board and oil silk rope, realizes the braking. The utility model relates to an auxiliary brake of tower machine, when the tower machine cuts off the power supply suddenly, the operating personnel in the tower machine control chamber is through stepping on the running-board, and then through oil silk rope pulling brake equipment, makes the brake block hold tower machine directive wheel tightly, realizes the tower machine braking to eliminate the potential safety hazard, ensure operating personnel and job site's workman's personal safety.
Description
Technical Field
The utility model relates to a braking equipment technical field, specifically speaking relates to a tower machine gyration braking system.
Background
The tower crane is called tower crane for short, and the movable arm is mounted on the rotary crane of the upper portion of the tower body. The working space is large, and the device is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction. The tower crane consists of a metal structure, a working mechanism and an electrical system. The metal structure comprises a tower body, a movable arm, a base 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 cabinet, a connecting circuit, a signal and lighting device and the like.
The rotary brake device configured for the existing tower crane is electrically controlled, and if the tower crane is suddenly powered off during working, the rotary brake device loses the braking function, so that great potential safety hazards exist, and an operator in the tower crane is in a dangerous situation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tower machine gyration braking system to solve foretell technical problem.
In order to solve the above problems, the utility model adopts the following technical scheme:
a tower crane slewing braking system comprises a pedal installed in a tower crane operating chamber, a cable rope connected with the pedal, and a brake device controlled by the pedal and the cable rope to act, wherein a brake pad is fixed on the brake device, is positioned on the outer side of a tower crane steering wheel, and is driven by the pedal and the cable rope to tightly hold the tower crane steering wheel so as to realize braking.
Furthermore, the tower crane slewing braking system also comprises a support frame provided with a support pulley, a first support rod, a second support rod, a first upright post and a second upright post; the support frame is fixed in the tower crane operating room; the first supporting rod and the second supporting rod are symmetrically arranged, and the inner ends of the first supporting rod and the second supporting rod are fixedly connected to the outer wall of the shell of the tower crane turntable; the outer ends of the first supporting rod and the second supporting rod are respectively provided with a first pulley and a second pulley; the first upright post and the second upright post are both positioned on the outer side of the tower crane steering wheel and are parallel to the axis of the tower crane steering wheel; a sleeve is fixed at the tail end of the brake device and is assembled on the first upright post through a bearing; a connecting shaft is fixed at the front end of the brake device, a reset tension spring is fixedly connected with the connecting shaft, and the other end of the reset tension spring is fixed on the second upright post; one end of the oil wire rope is fixed on the pedal, and the other end of the oil wire rope sequentially passes through the wheel groove of the supporting pulley, the wheel groove of the first pulley and the wheel groove of the second pulley and is connected to the connecting shaft.
Furthermore, the tail part of the pedal plate is arranged on the floor of the tower crane operation room through a hinge, and a return spring is arranged between the front end of the pedal plate and the floor of the tower crane operation room.
Has the advantages that: compared with the prior art, the utility model relates to an auxiliary brake of tower machine, when the tower machine outage suddenly, the operating personnel in the tower machine control chamber is through stepping on the running-board, and then through oil silk rope pulling brake equipment, makes the brake block hold tower machine directive wheel tightly, realizes the tower machine braking to eliminate the potential safety hazard, ensure operating personnel and job site's workman's personal safety.
Drawings
FIG. 1 is a schematic view of an assembled application of an embodiment of the present invention;
fig. 2 is a schematic view of the assembly of the wick and the foot pedal.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Example (b):
referring to fig. 1 and 2, the slewing braking system of the tower crane in the embodiment includes a pedal plate 2 installed in an operation chamber 1 of the tower crane, a cable 6 connected to the pedal plate 2, a brake device 9 controlled by the pedal plate 2 and the cable 6 to act, a support frame 14 provided with a support pulley 13, a first support rod 3, a second support rod 8, a first upright post 10 and a second upright post 11.
The tail part of the pedal 2 is arranged on the floor of the tower crane operation room 1 through a hinge, and a return spring 2A is arranged between the front end of the pedal and the floor of the tower crane operation room 1. The support frame 14 is fixed in the tower crane operation room 1. The first supporting rod 3 and the second supporting rod 8 are symmetrically arranged, and the inner ends of the first supporting rod and the second supporting rod are fixedly connected to the outer wall of the shell 51 of the tower crane turntable 5; the outer ends of the first supporting rod 3 and the second supporting rod 8 are respectively provided with a first pulley 4 and a second pulley 7; the first upright column 10 and the second upright column 11 are both positioned outside the tower crane steering wheel 12 and are parallel to the axis of the tower crane steering wheel 12.
Brake equipment 9 includes curved brake block seat and fixes at the inboard curved brake block 9B of brake block seat (the thickness of brake block 9B decreases from the front to the back), is located the outside of tower machine directive wheel 12. A sleeve 9C is fixed at the tail end of the brake device 9, and the sleeve 9C is assembled on the first upright post 10 through a bearing; a connecting shaft 9A is fixed at the front end of the brake device 9, the connecting shaft 9A is fixedly connected with a return tension spring 11A, and the other end of the return tension spring 11A is fixed on a second upright post 11; one end of the oil wire rope is fixed on the pedal 2, and the other end of the oil wire rope sequentially passes through the wheel groove of the supporting pulley 13, the wheel groove of the first pulley 4 and the wheel groove of the second pulley 7 and is connected to the connecting shaft 9A.
A driving gear 12A is fixedly mounted on a wheel shaft of the tower crane steering wheel 12 and is constantly meshed with a transmission gear 52 fixed on the tower crane turntable 5, and the tower crane steering wheel 12 drives the tower crane turntable 5 through the transmission of the driving gear 12A and the transmission gear 52.
When the tower crane is powered off suddenly, an operator in the tower crane operating room 1 treads the pedal 2 and then pulls the brake device 9 through the oil wire rope, so that the brake block 9A holds the tower crane steering wheel 12 tightly, the tower crane braking is realized, the potential safety hazard is eliminated, and the personal safety of the operator and workers in a construction site is ensured. And (3) loosening the pedal 2, resetting the pedal 2 by the reset spring, resetting the brake device 9 under the action of the reset tension spring 11A, and separating the brake pad 9A from the tower crane steering wheel 12.
The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.
Claims (3)
1. A tower machine gyration braking system which characterized in that: the brake device comprises a pedal (2) arranged in a tower crane operating room (1), a oilwire rope (6) connected with the pedal (2), and a brake device (9) controlled by the pedal (2) and the oilwire rope (6) to act, wherein a brake pad (9B) is fixed on the brake device (9), is located on the outer side of a tower crane steering wheel (12), and is driven by the pedal (2) and the oilwire rope (6) to tightly hold the tower crane steering wheel (12) to realize braking.
2. The tower crane slewing brake system according to claim 1, characterized in that: the device also comprises a support frame (14) provided with a support pulley (13), a first support rod (3), a second support rod (8), a first upright post (10) and a second upright post (11); the support frame (14) is fixed in the tower crane operation room (1); the first supporting rod (3) and the second supporting rod (8) are symmetrically arranged, and the inner ends of the first supporting rod and the second supporting rod are fixedly connected to the outer wall of a shell (51) of the tower crane turntable (5); the outer ends of the first supporting rod (3) and the second supporting rod (8) are respectively provided with a first pulley (4) and a second pulley (7); the first upright post (10) and the second upright post (11) are both positioned on the outer side of the tower crane steering wheel (12) and are parallel to the axis of the tower crane steering wheel (12); a sleeve (9C) is fixed at the tail end of the brake device (9), and the sleeve (9C) is assembled on the first upright post (10) through a bearing; a connecting shaft (9A) is fixed at the front end of the brake device (9), a return tension spring (11A) is fixedly connected to the connecting shaft (9A), and the other end of the return tension spring (11A) is fixed on the second upright post (11); one end of the oil wire rope is fixed on the pedal (2), and the other end of the oil wire rope sequentially passes through the wheel groove of the supporting pulley (13), the wheel groove of the first pulley (4) and the wheel groove of the second pulley (7) and is connected to the connecting shaft (9A).
3. The tower crane slewing brake system according to claim 2, characterized in that: the tail part of the pedal (2) is installed on the floor of the tower crane operation room (1) through a hinge, and a return spring (2A) is installed between the front end of the pedal and the floor of the tower crane operation room (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222061820.4U CN217867863U (en) | 2022-08-05 | 2022-08-05 | Tower crane rotation braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222061820.4U CN217867863U (en) | 2022-08-05 | 2022-08-05 | Tower crane rotation braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217867863U true CN217867863U (en) | 2022-11-22 |
Family
ID=84076336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222061820.4U Active CN217867863U (en) | 2022-08-05 | 2022-08-05 | Tower crane rotation braking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217867863U (en) |
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2022
- 2022-08-05 CN CN202222061820.4U patent/CN217867863U/en active Active
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