Building construction tower crane weight-limiting installation device

Abstract

The utility model discloses a building construction tower crane weight-limiting installation device, which relates to the technical field of tower crane equipment, and comprises a support frame, the bottom surface of the lower end of the support frame is fixedly connected with a base, the upper end of the support frame is fixedly connected with a control center, and two sides of the control center are movably connected with hoisting arms. A tower top is fixedly connected to the upper end of the control center, a pull rod is movably connected to the upper end of the tower top, a balancing weight is fixedly connected to one side of the hoisting arm, a connecting block is fixedly connected to the other side of the hoisting arm, and a communication opening is formed in the center of one side of the hoisting arm. By arranging the left-handed nut, the right-handed nut, the fixing bolt, the rotating block, the matching plate, the electromagnet, the first limiting spring, the fixing shaft and the movable sleeve, the purpose of convenient looseness prevention is achieved; and by arranging a waterproof shell, absorbent cotton, a second limiting spring, a sliding block, a steel wire rope, a pressing plate, a pressure sensor and a processor, the rainproof purpose is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tower crane equipment technical field, concretely is a kind of building construction tower crane weight limit installation device. BACKGROUND

[0002] In the construction building of high-rise floor, tower crane is used to transport building materials, and in use, if the hoisting weight is too large, it will affect the tower body, and the lifting weight limiter is a safety protection device for hoisting machinery, which is specially used for various types of electric hoist single-beam type crane, the device has the functions of immediate alarm, cutting off the lifting machine lifting motor loop and displaying the weight of hoisted object, which can avoid equipment and personal accidents caused by overload of hoisting equipment, and a building construction tower crane weight limit installation device is needed.

[0003] The building construction tower crane weight limit installation device disclosed in the Chinese utility model patent application publication specification CN215479365U includes a weight limiter, although the utility model is convenient for fixing and installing the weight limiter, but the anti-loose of the weight limiter needs personnel locking, and the installation and use are not convenient, and the utility model is used outdoors, is easily affected by weather, and has no rain-proof and rust-proof device, and the utility model has the problems of inconvenient use of anti-loose device and rain-proof. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a building construction tower crane weight limit installation device, which solves the problems raised in the above background technology.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model realizes the following technical scheme: including support frame, the lower end bottom surface of support frame is fixedly connected with base, the upper end of support frame is fixedly connected with control center, the two sides of control center are movably connected with lifting arm, the upper end of control center is fixedly connected with tower top, the upper end of tower top is movably connected with pull rod, one side of lifting arm is fixedly connected with counterweight, the other side of lifting arm is fixedly connected with connecting block, the center position of one side of lifting arm is provided with communicating port, the lower bottom surface of one side of lifting arm is movably connected with fixing bolt, the fixing bolt and processor bottom surface are movably connected, the lower end of processor is fixedly connected with pressure sensor, the lower end of pressure sensor is fixedly connected with pressing plate.

[0008] The outer surface of the fixing bolt is threadedly connected with a left-handed nut, the outer surface of the fixing bolt is threadedly connected with a right-handed nut, a fixing shaft is fixedly connected to the center of one side of the lifting arm, a rotating block is movably connected to the upper end surface of the fixing shaft, a moving sleeve is movably connected to the front end of the rotating block, an electromagnet is fixedly connected to the front end of the rotating block, a first limiting spring is fixedly connected to the front end of the rotating block, a matching plate is fixedly connected to one end of the first limiting spring, the matching plate and the moving sleeve are fixedly connected to the bottom surface, the outer side surface of the moving sleeve is movably connected with the outer side groove of the left-handed nut, and the outer side surface of the moving sleeve is movably connected with the outer side groove of the right-handed nut.

[0009] The outer surface of the fixing bolt is movably connected with a waterproof shell, the waterproof shell is movably connected with the steel wire rope on both sides, the steel wire rope is movably connected with the pressing plate in the center, the inner side of the waterproof shell is fixedly connected with a second limiting spring, one end of the second limiting spring is fixedly connected with a sliding block, the front end of the sliding block is fixedly connected with a water absorbing cotton, and the water absorbing cotton is movably connected with the steel wire rope.

[0010] Optionally, the control center is fixedly connected with an operation bin on one side, the operation bin is movably connected with an operation bin door at the center position, the pull rod is fixedly connected with the counterweight, and the pull rod is fixedly connected with the connecting block.

[0011] Optionally, the connecting block is movably connected with a steel wire rope at the lower end, the steel wire rope is movably connected with the communication port, the outer surface of the steel wire rope is movably connected with a pulley, the pulley is fixedly connected with a moving frame in the center, and the moving frame is fixedly connected with a lifting hook below the center.

[0012] Optionally, the left-handed nut and the right-handed nut are of the same size and opposite tightening modes, the left-handed nut is movably connected with the bottom surface of the lifting arm, and the right-handed nut is movably connected with the bottom surface of the lifting arm.

[0013] Optionally, the electromagnet is electrically connected through the rotating block, the fixing shaft and the inner side of the lifting arm bottom plate, and the front end of the electromagnet is movably connected with the matching plate.

[0014] Optionally, the processor is located in the waterproof shell, the waterproof shell is movably connected with the lower end of the lifting arm, and the sliding block is movably connected with the groove in the waterproof shell.

[0015] (Three) beneficial effects

[0016] The building construction tower crane weight limiting mounting device has the following beneficial effects:

[0017] 1. The building construction tower crane weight limiting installation device, through setting up left-handed nut, right-handed nut, fixed bolt, rotating block, cooperation plate, electromagnet, first limiting spring, fixed shaft and moving sleeve, the left-handed nut and the right-handed nut are alternately screwed on the fixed bolt, the rotating block on the fixed shaft drives the moving sleeve to rotate horizontally, the moving sleeve is respectively matched with the groove on the left-handed nut and the right-handed nut to position, the first limiting spring abuts against the cooperation plate, the nut is prevented from loosening, when the fixed shaft is electrified, the electromagnet works to attract the cooperation plate, at this time, the moving sleeve and the left-handed nut and the right-handed nut have no interference, the nut can be disassembled, the purpose of convenient anti-loosening is achieved.

[0018] 2. The building construction tower crane weight limiting installation device, through setting up waterproof shell, water absorption cotton, second limiting spring, sliding block, steel wire rope, pressing plate, pressure sensor and processor, the pressure sensor and the processor are located inside the waterproof shell, direct contact with the outside environment is avoided, the steel wire rope enters the waterproof shell through two water absorption cottons, the steel wire rope and the lower end of the pressing plate contact, the upper end of the pressing plate and the pressure sensor are connected, the second limiting spring pushes the sliding block to make the water absorption cotton wrap the steel wire rope, the purpose of rainproof is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the front view cross section structure schematic diagram of the utility model;

[0021] Figure 3 It is the overhead view cross section structure schematic diagram of the utility model;

[0022] Figure 4 It is the side view cross section structure schematic diagram of the utility model;

[0023] Figure 5 It is the utility model Figure 2 A place enlarged structure schematic diagram;

[0024] Figure 6 It is the utility model Figure 2 B place enlarged structure schematic diagram.

[0025] In the figure: 1, tower top; 2, counterweight; 3, operating bin; 4, operating bin door; 5, support frame; 6, base; 7, pull rod; 8, hoisting arm; 9, connecting block; 10, water absorption cotton; 11, waterproof shell; 12, moving frame; 13, lifting hook; 14, steel wire rope; 15, control center; 16, left-hand threaded nut; 17, fixing bolt; 18, right-hand threaded nut; 19, rotating block; 20, matching plate; 21, electromagnet; 22, first limit spring; 23, fixed shaft; 24, moving sleeve; 25, communication port; 26, processor; 27, pressing plate; 28, pressure sensor; 29, pulley; 30, second limit spring; 31, sliding block. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0027] Example 1

[0028] Please refer to Figures 1 to 6The utility model provides a technical scheme: a building construction tower crane weight limiting installation device, including support frame 5, support frame 5 lower end bottom surface fixedly connected with base 6, support frame 5 upper end fixedly connected with control center 15, control center 15 one side fixedly connected with operation bin 3, operation bin 3 center position swingly connected with operation bin door 4, control center 15 both sides swingly connected with hoist arm 8, control center 15 upper end fixedly connected with tower top 1, tower top 1 upper end swingly connected with pull rod 7, hoist arm 8 one side fixedly connected with counterweight 2, hoist arm 8 other side fixedly connected with connecting block 9, pull rod 7 and counterweight 2 fixedly connected, pull rod 7 and connecting block 9 fixedly connected, hoist arm 8 one side center position is equipped with the communicating port 25, hoist arm 8 one side lower bottom swingly connected with fixed bolt 17, fixed bolt 17 and processor 26 bottom surface swingly connected, processor 26 lower end fixedly connected with pressure sensor 28, pressure sensor 28 lower end fixedly connected with pressing plate 27, connecting block 9 lower end swingly connected with wire rope 14, wire rope 14 and communicating port 25 swingly connected, wire rope 14 outer surface swingly connected with pulley 29, pulley 29 center fixedly connected with moving frame 12, moving frame 12 below center fixedly connected with lifting hook 13, fixed bolt 17 outer surface threadedly connected with left-hand thread nut 16, fixed bolt 17 outer surface threadedly connected with right-hand thread nut 18, left-hand thread nut 16 and right-hand thread nut 18 same size opposite screwing mode, left-hand thread nut 16 and hoist arm 8 bottom surface swingly connected, right-hand thread nut 18 and hoist arm 8 bottom surface swingly connected, hoist arm 8 one side center position fixedly connected with fixed shaft 23, fixed shaft 23 upper end surface swingly connected with rotating block 19, rotating block 19 front end all around swingly connected with moving sleeve 24, rotating block 19 front end center fixedly connected with electromagnet 21, electromagnet 21 passes through rotating block 19, fixed shaft 23 and hoist arm 8 bottom plate inner side electric connection, rotating block 19 front end fixedly connected with first limit spring 22, first limit spring 22 one end fixedly connected with matching plate 20, electromagnet 21 front end and matching plate 20 swingly connected, matching plate 20 and moving sleeve 24 bottom surface fixedly connected, moving sleeve 24 outer side surface and left-hand thread nut 16 outer side groove swingly connected, moving sleeve 24 outer side surface and right-hand thread nut 18 outer side groove swingly connected, through setting left-hand thread nut 16, right-hand thread nut 18, fixed bolt 17, rotating block 19, matching plate 20, electromagnet 21, first limit spring 22, fixed shaft 23 and moving sleeve 24, left-hand thread nut 16 and right-hand thread nut 18 alternate screwing on fixed bolt 17, rotating block 19 on fixed shaft 23 drive moving sleeve 24 horizontal rotation, moving sleeve 24 respectively and left-hand thread nut 16, right-hand thread nut 18 on groove cooperation positioning, first limit spring 22 abutting matching plate 20, realize nut anti-loose, when fixed shaft 23 energization, electromagnet 21 work attraction matching plate 20, moving sleeve 24 and left-hand thread nut 16, right-hand thread nut 18 do not interfere with at this time, detachable nut, has achieved the purpose of convenient anti-loose.

[0029] In use, first make the processor 26 bottom surface and the lower end of the lifting arm 8 close, and then connect the two fixed bolts 17 and the threaded holes on the processor 26 and the lifting arm 8, and then tighten the left-handed nut 16 and the right-handed nut 18. The left-handed nut 16 and the right-handed nut 18 on the two fixed bolts 17 are alternately distributed, and after being tightened, the left-handed nut 16 and the right-handed nut 18 are at the same height position. Then, the fixed shaft 23 is powered, the electromagnet 21 works to attract the matching plate 20. At this time, the moving sleeve 24 and the left-handed nut 16 and the right-handed nut 18 do not interfere with each other. Adjust the rotating block 19 to make the two moving sleeves 24 respectively correspond to the grooves on the left-handed nut 16 and the right-handed nut 18. At this time, the fixed shaft 23 is powered off, the first limiting spring 22 tightly abuts against the matching plate 20, and the moving sleeves 24 respectively abut against the grooves on the left-handed nut 16 and the right-handed nut 18, thereby completing the anti-loosening of the device.

[0030] Example 2

[0031] Please refer to Figures 1 to 6The utility model provides a technical scheme: a building construction tower crane weight installation device, including support frame 5, support frame 5 lower end bottom surface fixed connection has base 6, support frame 5 upper end fixed connection has control center 15, control center 15 one side fixed connection has operation bin 3, operation bin 3 center position swing joint has operation bin door 4, control center 15 both sides swing joint has hoist arm 8, control center 15 upper end fixed connection has tower top 1, tower top 1 upper end swing joint has pull rod 7, hoist arm 8 one side fixed connection has counterweight 2, hoist arm 8 other side fixed connection has connecting block 9, pull rod 7 and counterweight 2 fixed connection, pull rod 7 and connecting block 9 fixed connection, hoist arm 8 one side center position is equipped with the communicating port 25, hoist arm 8 one side lower bottom surface swing joint has fixed bolt 17, fixed bolt 17 and processor 26 bottom surface swing joint, processor 26 lower end fixed connection has pressure sensor 28, pressure sensor 28 lower end fixed connection has pressing plate 27, connecting block 9 lower end swing joint has steel wire rope 14, steel wire rope 14 and communicating port 25 swing joint, steel wire rope 14 outer surface swing joint has pulley 29, pulley 29 center fixed connection has moving frame 12, moving frame 12 below center fixed connection has lifting hook 13, fixed bolt 17 outer surface swing joint has waterproof shell 11, waterproof shell 11 both sides and steel wire rope 14 swing joint, steel wire rope 14 and pressing plate 27 center swing joint, waterproof shell 11 inner side fixed connection has second limit spring 30, second limit spring 30 one end fixed connection has sliding block 31, sliding block 31 front end fixed connection has water absorbing cotton 10, water absorbing cotton 10 and steel wire rope 14 swing joint, processor 26 is located in waterproof shell 11 inside, waterproof shell 11 and hoist arm 8 lower end swing joint, sliding block 31 and waterproof shell 11 inside groove swing joint, through setting up waterproof shell 11, water absorbing cotton 10, second limit spring 30, sliding block 31, steel wire rope 14, pressing plate 27, pressure sensor 28 and processor 26, pressure sensor 28 and processor 26 are located in waterproof shell 11 inside, avoid direct contact with outside environment, steel wire rope 14 passes through two water absorbing cotton 10 and enters waterproof shell 11, steel wire rope 14 and pressing plate 27 lower end contact, pressing plate 27 upper end and pressure sensor 28 cooperation connection, second limit spring 30 pushes sliding block 31 and makes water absorbing cotton 10 to wrap steel wire rope 14, has achieved the purpose of rainproof.

[0032] In use, first, the bottom surface of the processor 26 and the upper end of the waterproof shell 11 are tightly attached, the two fixing bolts 17 and the waterproof shell 11, the processor 26 and the threaded holes on the hoisting arm 8 are connected, the nuts are tightened to complete the fixing, the steel wire rope 14 enters the waterproof shell 11 through the two water absorption cottons 10, the steel wire rope 14 contacts the lower end of the pressing plate 27, the upper end of the pressing plate 27 is connected with the pressure sensor 28, one end of the steel wire rope 14 is connected with the pulley 29, the other end of the steel wire rope 14 is connected with the control center 15, when hoisting the heavy object, the steel wire rope 14 is taut, the pressing plate 27 is pressed, the information is transmitted to the processor 26 through the pressure sensor 28 and is fed back to the control center 15 to limit the weight, when it rains, the waterproof shell 11 avoids the direct contact of the pressure sensor 28 and the processor 26 with the external environment, the second limiting spring 30 pushes the sliding block 31 to make the water absorption cotton 10 wrap the steel wire rope 14, and the rainproof is completed.

[0033] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A weight-limiting installation device for a construction tower crane, comprising a support frame (5), characterized in that: The support frame (5) is fixedly connected to a base (6) at its lower bottom surface. The support frame (5) is fixedly connected to a control center (15) at its upper end. The control center (15) is movably connected to two sides of a lifting arm (8). The control center (15) is fixedly connected to a tower top (1) at its upper end. The tower top (1) is movably connected to a tie rod (7) at its upper end. The lifting arm (8) is fixedly connected to a counterweight block (2) on one side. The lifting arm (8) is fixedly connected to a connecting block (9) on the other side. A connecting port (25) is opened at the center of one side of the lifting arm (8). A fixing bolt (17) is movably connected to the lower bottom surface of one side of the lifting arm (8). The fixing bolt (17) is movably connected to the bottom surface of the processor (26). The processor (26) is fixedly connected to a pressure sensor (28) at its lower end. The pressure sensor (28) is fixedly connected to a pressure plate (27) at its lower end. The outer surface of the fixing bolt (17) is threaded with a left-hand nut (16), and the outer surface of the fixing bolt (17) is threaded with a right-hand nut (18). A fixing shaft (23) is fixedly connected to the center of one side of the lifting arm (8). A rotating block (19) is movably connected to the upper surface of the fixing shaft (23). A movable sleeve (24) is movably connected around the front end of the rotating block (19). An electromagnet (21) is fixedly connected to the center of the front end of the rotating block (19). A first limiting spring (22) is fixedly connected to the front end of the rotating block (19). A mating plate (20) is fixedly connected to one end of the first limiting spring (22). The mating plate (20) is fixedly connected to the bottom surface of the movable sleeve (24). The outer surface of the movable sleeve (24) is movably connected to the outer groove of the left-hand nut (16). The outer surface of the movable sleeve (24) is movably connected to the outer groove of the right-hand nut (18). A waterproof shell (11) is movably connected to the outer surface of the fixing bolt (17). The waterproof shell (11) is movably connected to the steel wire rope (14) on both sides. The steel wire rope (14) is movably connected to the center of the pressure plate (27). A second limiting spring (30) is fixedly connected to the inner side of the waterproof shell (11). A sliding block (31) is fixedly connected to one end of the second limiting spring (30). A water-absorbing cotton (10) is fixedly connected to the front end of the sliding block (31). The water-absorbing cotton (10) is movably connected to the steel wire rope (14).

2. The weight-limiting installation device for a building construction tower crane according to claim 1, characterized in that: The control center (15) is fixedly connected to an operating compartment (3) on one side. An operating compartment door (4) is movably connected to the center of the operating compartment (3). The pull rod (7) and the counterweight (2) are fixedly connected. The pull rod (7) and the connecting block (9) are fixedly connected.

3. The weight-limiting installation device for a building construction tower crane according to claim 1, characterized in that: The lower end of the connecting block (9) is movably connected to a wire rope (14), the wire rope (14) is movably connected to the connecting port (25), the outer surface of the wire rope (14) is movably connected to a pulley (29), the center of the pulley (29) is fixedly connected to a movable frame (12), and the center of the lower part of the movable frame (12) is fixedly connected to a hook (13).

4. The weight-limiting installation device for a building construction tower crane according to claim 1, characterized in that: The left-hand nut (16) and the right-hand nut (18) are the same size but tightened in opposite ways. The left-hand nut (16) is movably connected to the bottom surface of the lifting arm (8), and the right-hand nut (18) is movably connected to the bottom surface of the lifting arm (8).

5. The weight-limiting installation device for a building construction tower crane according to claim 1, characterized in that: The electromagnet (21) is electrically connected to the inner side of the bottom plate of the lifting arm (8) via the rotating block (19), the fixed shaft (23), and the front end of the electromagnet (21) is movably connected to the mating plate (20).

6. The weight-limiting installation device for a building construction tower crane according to claim 1, characterized in that: The processor (26) is located inside the waterproof shell (11), the waterproof shell (11) is movably connected to the lower end of the lifting arm (8), and the sliding block (31) is movably connected to the groove inside the waterproof shell (11).

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