CN210029827U

CN210029827U - Tower crane

Info

Publication number: CN210029827U
Application number: CN201920752758.9U
Authority: CN
Inventors: 张鹏; 安胜; 路明; 李晓艳; 张绪军; 王晓霞; 李文婧; 沈嘉尧; 汤乐; 邓朝秀
Original assignee: NINGXIA CONSTRUCTION ENGINEERING GROUP Co Ltd
Current assignee: NINGXIA CONSTRUCTION ENGINEERING GROUP Co Ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-02-07
Anticipated expiration: 2029-05-23

Abstract

The utility model discloses a tower crane, which belongs to the technical field of building, and comprises a main frame, wherein the main frame is welded with a stair, the top of the main frame is welded with a fixed plate, the stair runs through the fixed plate, the top of the fixed plate is provided with a first motor, which is provided with a connecting rod, a compression spring, a clamping block, a clamping groove and a third rotating shaft, when a worker hangs a heavy object on a hook, the clamping block is moved by moving the clamping block along the direction away from the clamping groove, the clamping block moves and extrudes the compression spring, so that the clamping block is moved out from the clamping groove, the opening of the hook is opened by rotating the connecting rod through rotating the third rotating shaft, then the heavy object is hung on the hook, the opposite steps are repeated, the clamping block is moved by moving the clamping block along the direction away from the clamping groove, the clamping block moves and extrudes the compression spring, and the clamping block is clamped into the clamping groove to fix the connecting rod, so that safety accidents are avoided.

Description

Tower crane

Technical Field

The utility model relates to a building technical field specifically is a tower crane.

Background

The tower crane is the most common hoisting equipment on the construction site, also called tower crane, and is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction by the extension (height) of one section and one section (called standard section for short). The tower crane is an indispensable device on a construction site.

The tower crane (tower crane) tip has the function of bearing the upper load transmitted by the boom guy rope and the balance arm guy rope, and directly transmits the upper load to the tower body structure through the rotary tower, the rotary table, the bearing seat and other structural components. The self-elevating tower top is provided with a truncated cone column type, a forward-inclined or backward-inclined truncated cone column type, a herringbone frame type and an inclined support frame type.

Present tower crane device, because the heavy object is being hoisted and the rotation in-process, probably there is the couple deformation and causes the heavy object to break away from the opening part of couple, thereby cause the emergence of incident, simultaneously because the position distance of driver's cabin and couple is far away, and meet the hoist and mount position simultaneously and sheltered from by the building, the unable various situations of direct-viewing hoist and mount position of tower crane driver, lead to easily making the hoist and mount and colliding other objects at rotatory in-process, thereby cause the incident, though current hoist device observes the surrounding environment through setting up the camera, but increase staff's the degree of difficulty and cause the unable accurate environmental condition of judgement of staff.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tower crane has solved among the above-mentioned background art heavy object probably drops from the couple and observes the problem that increases staff's the degree of difficulty to the surrounding environment through the camera.

In order to achieve the above object, the utility model provides a following technical scheme: a tower crane comprises a main frame, wherein a stair is welded inside the main frame, a fixing plate is welded at the top of the main frame and penetrates through the fixing plate, a first motor is installed at the top of the fixing plate, the output end of the first motor is connected with a connecting frame through a first rotating shaft, suspension arms are welded on two sides of the connecting frame, a second motor is installed on one side inside the suspension arms, the output end of the second motor is connected with a suspension rope through a second rotating shaft, the bottom end of the suspension rope is connected with a hook, the outer surface of the hook is connected with a connecting rod through a third rotating shaft, a compression spring is fixed on one side of the connecting rod, a fixture block is fixed at one end of the compression spring, a clamping groove is formed in one side of the top of the hook, a cab is welded at the bottom of the suspension arm, a box body door is connected to the outer surface of the cab, the utility model discloses a safety protection device for wind turbine generator, including support frame, link, altitude sensor, air velocity transducer and tilt sensor, the operation panel is installed at the top of support frame, altitude sensor, air velocity transducer and tilt sensor are installed respectively to the top of link, the top welding of link has a plurality of stay cords, just the one end and the davit welding of stay cord, the surface mounting of couple has the radar, the surface mounting of operation panel has the alarm.

Preferably, the operation panel respectively with first motor, second motor, radar, alarm, altitude sensor, wind speed sensor and tilt sensor electric connection.

Preferably, the compression springs are provided in two, and the material of which the compression springs are made comprises manganese steel.

Preferably, the clamping groove is matched with the clamping block.

Preferably, the number of the pull ropes is four, and the material for manufacturing the pull ropes comprises steel wires.

Preferably, the connecting rod is rotatably connected with the hook through a third rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the tower crane is provided with a connecting rod, a compression spring, a clamping block, a clamping groove and a third rotating shaft, when a worker hangs a heavy object on a hook, the clamping block is moved in the direction away from the clamping groove and presses the compression spring, so that the clamping block is moved out of the clamping groove, the opening of the hook is opened by rotating the third rotating shaft to rotate the connecting rod, so that a hanging ring of the heavy object is hung in the hook, the connecting rod is fixed by repeating the opposite steps and moving the clamping block in the direction away from the clamping groove, so that the clamping block is moved and presses the compression spring, the connecting rod is rotated to be parallel to the clamping groove, then the clamping block is loosened, the compression spring recovers elasticity, the clamping block is clamped into the clamping groove, and the heavy object is prevented from falling off the hook in the lifting or rotating process to cause serious safety accidents, the tower crane is provided with a radar and an alarm, and the worker sets a sensing, when the staff moved the heavy object through the revolution mechanic of tower crane, the staff opened the radar through the operation panel, and the radar work was with the perception around the distance of building and couple, and when building or other objects were close apart from the couple, the radar was with data transmission for the operation panel, and the operation panel signals messenger alarm was reported to the police to remind the staff, make staff's quick adjustment operation, avoid hoist device and other objects to bump and cause the incident.

Drawings

Fig. 1 is a schematic structural view of the front side of the main frame of the present invention;

FIG. 2 is an enlarged schematic view of the structure of the present invention A;

fig. 3 is a schematic view of the internal structure of the cab of the present invention.

In the figure: 1. a main frame; 2. a staircase; 3. a first motor; 4. a fixing plate; 5. a first rotating shaft; 6. a box door; 7. a cab; 8. a connecting frame; 9. a suspension arm; 10. pulling a rope; 11. a height sensor; 12. a wind speed sensor; 13. a tilt sensor; 14. an operation table; 15. a second motor; 16. a second rotating shaft; 17. A lifting rope; 18. hooking; 19. a seat; 20. a support frame; 21. a compression spring; 22. a card slot; 23. A third rotating shaft; 24. a connecting rod; 25. a clamping block; 26. a radar; 27. alarm device

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "fixed," "sleeved," and the like are to be construed broadly, e.g., as either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; the two elements may be connected directly or indirectly through an intermediate medium, and the two elements may be connected internally or in an interaction relationship, and a person skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.

The utility model discloses in, height sensor's model is MS5607, and wind speed sensor's model is LM61-24V-W2, and inclination sensor's model is ZCT1360J-LBQ-17, and radar's model is the JH liquid crystal, and the model of alarm is SF-02R.

Referring to fig. 1-3, the present invention provides a technical solution: a tower crane comprises a main frame 1, stairs 2, a first motor 3, a fixing plate 4, a first rotating shaft 5, a box door 6, a cab 7, a connecting frame 8, a suspension arm 9, a stay cord 10, a height sensor 11, a wind speed sensor 12, an inclination angle sensor 13, an operation platform 14, a second motor 15, a second rotating shaft 16, a suspension rope 17, a hook 18, a seat 19, a support frame 20, a compression spring 21, a clamping groove 22, a third rotating shaft 23, a connecting rod 24, a clamping block 25, a radar 26 and an alarm 27, wherein the stair 2 is welded inside the main frame 1, the fixing plate 4 is welded at the top of the main frame 1, the stair 2 penetrates through the fixing plate 4, the first motor 3 is installed at the top of the fixing plate 4, the output end of the first motor 3 is connected with the connecting frame 8 through the first rotating shaft 5, the suspension arms 9 are welded on two sides of the connecting frame 8, the second motor 15 is installed on one side, the output end of the second motor 15 is connected with a lifting rope 17 through a second rotating shaft 16, the bottom end of the lifting rope 17 is connected with a hook 18, the outer surface of the hook 18 is connected with a connecting rod 24 through a third rotating shaft 23, a compression spring 21 is fixed on one side of the connecting rod 24, a clamping block 25 is fixed on one end of the compression spring 21, a clamping groove 22 is formed in one side of the top of the hook 18, a cab 7 is welded at the bottom of the suspension arm 9, a box door 6 is connected on the outer surface of the cab 7, a seat 19 and a support frame 20 are respectively fixed in the cab 7, an operation table 14 is installed at the top of the support frame 20, a height sensor 11, a wind speed sensor 12 and an inclination angle sensor 13 are respectively installed at the top of the connecting frame 8, a plurality of pulling ropes 10 are welded at the top of the connecting frame 8, and one end, the surface mounting of couple 18 has radar 26, the surface mounting of operation panel 14 has alarm 27, alarm 27 in order to remind the staff that the condition takes place, makes the staff can the quick adjustment action simultaneously.

Referring to fig. 1 to 3, the operating console 14 is electrically connected to the first motor 3, the second motor 15, the radar 26, the alarm 27, the height sensor 11, the wind speed sensor 12, and the tilt sensor 13, respectively, so that a worker can open or close the first motor 3, the second motor 15, the radar 26, the alarm 27, the height sensor 11, the wind speed sensor 12, and the tilt sensor 13, two compression springs 21 are provided, and the compression springs 21 are made of manganese steel, so as to move the clamp blocks 25.

Referring to fig. 1-2, the locking slot 22 is adapted to a locking block 25 for facilitating a worker to fix the connecting rod 24 and a user to fix the connecting rod 24, and the number of the pull ropes 10 is four, and the material of the pull ropes 10 includes steel wires, so as to improve the stability and safety of the boom 9.

Referring to fig. 2, the connecting rod 24 is rotatably connected to the hook 18 through a third rotating shaft 23, so that a worker can rotate the connecting rod 24 and prevent the heavy object from falling off the hook 18.

The working principle is as follows: firstly, a worker installs the tower crane on a building site and switches on a power supply, then climbs to a fixed plate 4 through a stair 2, opens a box body door 6, enters a cab 7 and sits on a seat 19, then opens a height sensor 11, an air speed sensor 12 and an inclination angle sensor 13 through an operation table 14, the height sensor 11 measures the height of the tower top from the ground and transmits data to the operation table 14, the air speed sensor 12 measures the air speed at the moment and transmits the data to the operation table 14, meanwhile, the worker sets a sensing range for a radar 26 through the operation table 14, when the hook 18 needs to be lowered to transport heavy objects, the worker opens a second motor 15 through the operation table 14, the second motor 15 rotates to drive a second rotating shaft 16 to rotate, the second rotating shaft 16 rotates to lower a lifting rope 17, the lifting rope 17 descends to lower the hook 18, and when descending to a proper position, the worker turns off the second motor 15 through the console 14, then moves the block 25 in a direction away from the slot 22, the block 25 moves and presses the compression spring 21, the block 25 moves out of the slot 22, and the opening of the hook 18 is opened by rotating the third rotating shaft 23 to rotate the connecting rod 24, thereby hanging the hanging ring of the heavy object in the hook 18, by repeating the above-mentioned reverse steps, the block 25 is clamped into the slot 22 to fix the connecting rod 24, then the worker turns on the first motor 3 through the console 14, the first motor 3 drives the first rotating shaft 5, the connecting frame 8 and the suspension arm 9 to rotate and drives the heavy object to rotate, the worker turns on the radar 26 through the console 14, the radar 26 works to sense the distance between the surrounding building and the hook 18, and when the building or other objects are close to the hook 18, the radar 26 transmits data to the console 14 and the console 14 sends a signal to alarm 27 to alert the operator to quickly adjust the operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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

1. The tower crane comprises a main frame (1), and is characterized in that: the novel stair-climbing robot is characterized in that a stair (2) is welded inside the main frame (1), a fixing plate (4) is welded at the top of the main frame (1), the stair (2) penetrates through the fixing plate (4), a first motor (3) is installed at the top of the fixing plate (4), the output end of the first motor (3) is connected with a connecting frame (8) through a first rotating shaft (5), suspension arms (9) are welded on two sides of the connecting frame (8), a second motor (15) is installed on one side inside the suspension arms (9), the output end of the second motor (15) is connected with a suspension rope (17) through a second rotating shaft (16), a hook (18) is connected to the bottom end of the suspension rope (17), the outer surface of the hook (18) is connected with a connecting rod (24) through a third rotating shaft (23), a compression spring (21) is fixed on one side of the connecting rod (24), and a clamping block (25) is fixed on, draw-in groove (22) have been seted up to top one side of couple (18), the bottom welding of davit (9) has driver's cabin (7), the surface connection of driver's cabin (7) has box door (6), the inside of driver's cabin (7) is fixed with seat (19) and support frame (20) respectively, operation panel (14) are installed at the top of support frame (20), height sensor (11), wind speed sensor (12) and angular transducer (13) are installed respectively to the top of link (8), the top welding of link (8) has a plurality of stay cords (10), just the one end and the davit (9) welding of stay cord (10), the surface mounting of couple (18) has radar (26), the surface mounting of operation panel (14) has alarm (27).

2. The tower crane according to claim 1, wherein: the operating platform (14) is electrically connected with the first motor (3), the second motor (15), the radar (26), the alarm (27), the height sensor (11), the wind speed sensor (12) and the inclination angle sensor (13) respectively.

3. The tower crane according to claim 1, wherein: the number of the compression springs (21) is two, and the compression springs (21) are made of manganese steel.

4. The tower crane according to claim 1, wherein: the clamping groove (22) is matched with the clamping block (25).

5. The tower crane according to claim 1, wherein: the number of the pull ropes (10) is four, and the manufacturing materials of the pull ropes (10) comprise steel wires.

6. The tower crane according to claim 1, wherein: the connecting rod (24) is rotatably connected with the hook (18) through a third rotating shaft (23).