CN117800206B - Overload-preventing hanging structure for tower crane - Google Patents
Overload-preventing hanging structure for tower crane Download PDFInfo
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- CN117800206B CN117800206B CN202410205827.XA CN202410205827A CN117800206B CN 117800206 B CN117800206 B CN 117800206B CN 202410205827 A CN202410205827 A CN 202410205827A CN 117800206 B CN117800206 B CN 117800206B
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- 230000007246 mechanism Effects 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention relates to the technical field of cranes and discloses an overload-preventing hanging structure for a tower crane, which comprises a main body, wherein a protecting shell is fixedly connected to the outer wall of the bottom of the main body, a groove is formed in the outer wall of the protecting shell, a cylinder is connected in the groove in a sliding manner, a fixed box is fixedly connected to the bottom of the cylinder, two lifting hooks are fixedly connected to the outer wall of the bottom of the fixed box, the two lifting hooks are symmetrically distributed by taking the middle part of the fixed box as a center, a pull rope I is fixedly connected to the outer wall of the top of the main body, and alarms are fixedly connected to the front surface and the back surface of the outer wall of the main body.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to an overload-preventing hanging structure for a tower crane.
Background
The tower crane is divided into a horizontal type and a compression bar type according to the form of a movable arm, has large operation space, is mainly used for vertical and horizontal conveying of materials in building construction and mounting of building components, and needs to use an overload-preventing hanging structure for safely transporting the building components.
In real life, the tower crane is used as a building machine which is necessary for modern building engineering, especially the height of the existing house is generally higher, the building of the storey on the high level is not assisted by the tower crane, but the overload-proof hanging structure of the existing tower crane is difficult to remind workers of overload in the working process, and when the workers are overloaded, the sensors in the tower crane are easy to extrude, so that the sensors are damaged due to extrusion, and the measurement and control of the sensors are influenced, so that the measurement error is increased.
Disclosure of Invention
The invention aims to provide an overload-proof hanging structure for a tower crane, so as to solve the problems in the background art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
The invention relates to an overload-preventing hanging structure for a tower crane, which comprises a main body, wherein the outer wall of the bottom of the main body is fixedly connected with a protective shell, the outer wall of the protective shell is provided with a groove, a cylinder is connected inside the groove in a sliding manner, the bottom of the cylinder is fixedly connected with a fixing box, the bottom of the fixing box is provided with two grooves, the two grooves penetrate through the outer wall of the front face of the fixing box, the outer wall of the bottom of the fixing box is fixedly connected with two lifting hooks, the two lifting hooks are symmetrically distributed by taking the middle part of the fixing box as a center, the outer wall of the top of the main body is fixedly connected with a first pull rope, and the front face and the back face of the outer wall of the main body are fixedly connected with alarms, and the overload-preventing hanging structure further comprises: the fixing mechanism comprises a supporting plate fixedly connected to the front surface of the fixing box, a cavity is formed in the fixing box, a motor is fixedly connected to the top of the supporting plate, a gear shaft is fixedly connected to the output end of the motor, the gear shaft penetrates through the cavity in the fixing box and is rotationally connected with the back surface of the cavity, a slide way is formed in the top of the cavity, and a sliding block is connected to the inside of the slide way in a sliding mode; the alarm mechanism comprises a movable plate which is slidably connected inside a main body, a spring is fixedly connected to the outer wall of the top of the movable plate, one end of the spring, which is far away from the movable plate, is fixedly connected with the inner wall of the top of the main body, two grooves are formed in the outer wall of the bottom of the movable plate, a wiring block is fixedly connected inside the two grooves, a second stay rope is fixedly connected with the outer wall of the bottom of the movable plate, and one end, which is far away from the movable plate, of the second stay rope is fixedly connected with the outer wall of the top of the fixed box.
Further, the bottom fixedly connected with rack of sliding block, the gear intermeshing of rack and gear shaft outer wall, the inside rotation of cavity is connected with the drive gear axle, the gear and the rack intermeshing of drive gear shaft outer wall, the both ends of drive gear axle run through to the recess inside of seting up of fixed box bottom outer wall, the outer wall fixedly connected with of drive gear axle seals the fixture block.
Further, two locating pieces are fixedly connected with the bottom inner wall of the main body, the two locating pieces are symmetrically distributed by taking the middle of the main body as the center, the top of each locating piece is provided with a groove, a spring is fixedly connected inside the groove, the spring is far away from the groove and is fixedly connected with a transverse plate, the transverse plate is slidingly connected inside the groove, one side of the transverse plate far away from the spring is fixedly connected with a movable block, one side of the movable block far away from the transverse plate is fixedly connected with a connector lug, and the bottom outer wall of the main body is provided with a buffer mechanism.
Further, the buffer mechanism comprises a sleeve fixedly connected to the bottom of the main body, the sleeve penetrates through the outer wall of the bottom of the main body, the outer wall of the bottom of the sleeve is rotationally connected with four connecting rods through a rotating seat, the four connecting rods are distributed in a circumferential array by taking a stay rope outer center circle, the outer wall of the top of the fixing box is fixedly connected with four fixing blocks I, and the four fixing blocks I are distributed in a circumferential array by taking the stay rope II as the center.
Further, the slide has been seted up at the top of fixed block one, and the inside sliding connection of slide has the movable block, and telescopic one end is kept away from to the connecting rod is the top fixedly connected with fly leaf of rotation connection movable block with the top of movable block, and the top fixedly connected with baffle of fixed block one, fixedly connected with spring between fly leaf and the baffle, and the top of fixed box is provided with assist mechanism.
Further, the auxiliary mechanism comprises a first rectangular block fixedly connected to the left side and the right side of the outer wall of the main body, a rotating rod is rotatably connected to the outer wall of the bottom of the first rectangular block through a rotating seat, four vertical plates are fixedly connected to the outer wall of the top of the fixed box, and the four vertical plates are symmetrically distributed with the middle of the fixed box as the center.
Further, fixedly connected with fixed column between two risers, the outer wall sliding connection of fixed column has two sliders, and two sliders use the middle part of fixed column to be central symmetry and distribute, and the one end that rectangle piece one was kept away from to the dwang is fixed connection with the top of slider, fixedly connected with spring between slider and the riser, and the left side and the right side of fixed box outer wall all are provided with wind-guiding mechanism.
Further, the wind guiding mechanism comprises a supporting plate fixedly connected to the left side and the right side of the outer wall of the fixed box, a second fixing block is fixedly connected to the outer wall of the top of the supporting plate, a slide way is arranged at the top of the second fixing block, a trapezoid block is connected to the slide way in a sliding mode, a second rectangular block is fixedly connected to the top of the trapezoid block, and an arc plate is fixedly connected to the left side of the second rectangular block.
Further, trapezoidal spout has been seted up to one side that rectangle piece two was kept away from to the arc, and the inside sliding connection of trapezoidal spout has two arc sliders, and one side fixedly connected with connecting block that arc was kept away from to two arc sliders, and the one end that arc slider was kept away from to the connecting block is fixedly connected with the right side outer wall of slider, and one side that fixed box was kept away from to the backup pad is rotated through the cylinder and is connected with the aviation baffle, and one side that the aviation baffle is close to the backup pad is rotated through the right side of rotation seat and arc.
The invention has the following beneficial effects:
(1) According to the invention, the crane is started, the first building component is driven to move upwards by the crane through the pull rope, the second building component is driven to move downwards by the fixed box in the upward moving process due to the weight of the building component, the moving plate is driven to move downwards when the pull rope moves downwards, when the building component is overloaded, the second moving plate is pulled to move downwards by the pull rope, the wiring block in the moving plate is contacted with the wiring head below the moving plate, then the alarm sounds to remind workers of overload of the building component for processing, after the wiring block is contacted with the wiring head, the downward moving force of the moving plate drives the wiring head to move downwards, the wiring head drives the moving block to move downwards together into the positioning block, the situation that the wiring head and the wiring block are damaged due to extrusion caused by extrusion is avoided, and measurement and control of a sensor are affected, so that measurement errors are caused.
(2) According to the invention, when the crane drives equipment to move upwards, the fixed box moves downwards, the rotating rod is pulled by the rectangular block, the rotating rod moves inwards, the sliding block is driven to move inwards together, the sliding block drives the connecting block to move inwards while moving, the arc-shaped plate is pushed to move outwards by the arc-shaped sliding block, the air deflector is pushed to rotate outwards while the arc-shaped plate moves outwards, so that strong wind is guided to other places, and the phenomenon that a hanging structure is influenced by wind power, vibration or deflection is generated and the stability of the hanging structure is influenced under the strong wind environment is avoided when the tower crane is used in an outdoor environment.
(3) When the lifting hook is pulled to the bottom of the lifting device by the lifting structure of the crane, the building component moves upwards due to the action of inertia and drives the fixed box to move upwards, the sleeve is driven by the ascending thrust of the fixed box to push the connecting rod, so that the connecting rod moves outwards along the slideway arranged at the top of the movable block and is buffered by the spring, the building component is prevented from impacting the suspension arm of the tower crane due to the action of inertia, the stability of lifting is influenced, and meanwhile, the lifting device is damaged and the firmness of the hanging device is influenced.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the main structure of the present invention;
FIG. 2 is a schematic view of the back structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of the whole structure of the fixing mechanism of the present invention;
FIG. 5 is a schematic diagram of the overall structure of the alarm mechanism of the present invention;
FIG. 6 is a schematic view of the overall structure of the buffer mechanism of the present invention;
FIG. 7 is a schematic view of the overall structure of the air guiding mechanism of the present invention;
Fig. 8 is an enlarged view at a in fig. 7.
In the drawings, the list of components represented by the various numbers is as follows:
In the figure: 1. a main body; 101. a protective shell; 102. a cylinder; 103. a fixed box; 104. a lifting hook; 105. a first pull rope; 106. an alarm; 2. a fixing mechanism; 201. a supporting plate; 202. a motor; 203. a gear shaft; 204. a rack; 205. a sliding block; 206. a transmission gear shaft; 207. closing the clamping block; 3. an alarm mechanism; 301. a moving plate; 302. a junction block; 303. a second rope; 304. a positioning block; 305. a moving block; 306. a connector lug; 4. a buffer mechanism; 401. a sleeve; 402. a connecting rod; 403. a first fixed block; 404. a movable block; 405. a movable plate; 406. a baffle; 5. an auxiliary mechanism; 501. rectangular block I; 502. a rotating lever; 503. a vertical plate; 504. fixing the column; 505. a slide block; 6. an air guide mechanism; 601. a support plate; 602. a second fixed block; 603. a trapezoid block; 604. rectangular blocks II; 605. an arc-shaped plate; 606. an arc-shaped sliding block; 607. a connecting block; 608. and an air deflector.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the invention discloses an overload-preventing hanging structure for a tower crane, which comprises a main body 1, wherein a protecting shell 101 is fixedly connected to the outer wall of the bottom of the main body 1, a groove is formed in the outer wall of the protecting shell 101, a cylinder 102 is slidably connected in the groove, a fixing box 103 is fixedly connected to the bottom of the cylinder 102, two grooves are formed in the bottom of the fixing box 103 and penetrate through the outer wall of the front face of the fixing box 103, two lifting hooks 104 are fixedly connected to the outer wall of the bottom of the fixing box 103, the two lifting hooks 104 are symmetrically distributed by taking the middle of the fixing box 103 as a center, a first pull rope 105 is fixedly connected to the outer wall of the top of the main body 1, and an alarm 106 is fixedly connected to the front face and the back of the outer wall of the main body 1, and the overload-preventing hanging structure further comprises: the fixing mechanism 2 comprises a supporting plate 201 fixedly connected to the front surface of the fixing box 103, a cavity is formed in the fixing box 103, a motor 202 is fixedly connected to the top of the supporting plate 201, a gear shaft 203 is fixedly connected to the output end of the motor 202, the gear shaft 203 penetrates through the cavity in the fixing box 103 and is rotationally connected with the back surface of the cavity, a slide way is formed in the top of the cavity, and a sliding block 205 is connected in the slide way in a sliding mode; the alarm mechanism 3, the alarm mechanism 3 includes sliding connection at the inside movable plate 301 of main part 1, the top outer wall fixedly connected with spring of movable plate 301, the one end that the spring kept away from movable plate 301 is fixed connection with the top inner wall of main part 1, two recesses have been seted up to the bottom outer wall of movable plate 301, two inside fixedly connected with terminal blocks 302 of recess, the bottom outer wall fixedly connected with stay cord second 303 of movable plate 301, the one end that movable plate 301 was kept away from to stay cord second 303 is fixed connection with the top outer wall of fixed box 103, during the use, hang building element on lifting hook 104, start motor 202, motor 202 drives gear shaft 203 and rotates, gear shaft 203 is rotated while through gear on the gear shaft 203 and rack 204 intermesh and drive rack 204 and make its right side move, in the in-process that upwards moves, building element then can drive the stay cord second 303 through fixed box 103 and move downwards, then can drive movable plate 301 and move downwards simultaneously.
The bottom fixedly connected with rack 204 of sliding block 205, the rack 204 meshes with the gear of gear shaft 203 outer wall each other, the inside rotation of cavity is connected with drive gear shaft 206, the gear of drive gear shaft 206 outer wall meshes with rack 204 each other, drive gear shaft 206's both ends run through to the recess inside of seting up of fixed box 103 bottom outer wall, drive gear shaft 206's outer wall fixedly connected with seal fixture block 207, rack 204 then can drive gear shaft 206 through the gear on drive gear shaft 206 and rotate when removing to drive seal fixture block 207 and rotate, it is closed with lifting hook 104, fix the building element who hangs on lifting hook 104.
The bottom inner wall fixedly connected with two locating pieces 304 of main part 1, two locating pieces 304 regard the middle part of main part 1 as central symmetry distribution, the top of locating piece 304 is seted up flutedly, the inside fixedly connected with spring of recess, the recess is one end fixedly connected with diaphragm is kept away from to the spring, diaphragm sliding connection is in the inside of recess, one side fixedly connected with movable block 305 that the spring was kept away from to the diaphragm, one side fixedly connected with connector lug 306 that the movable block 305 kept away from the diaphragm, the bottom outer wall of main part 1 is provided with buffer gear 4, when building element overloads, stay cord two 303 then can pull movable plate 301 moves down and make the inside connector lug 302 of movable plate 301 contact with connector lug 306 below, then alarm 106 rings for remind the staff building element overload, carry out the processing.
The buffer gear 4 includes the sleeve 401 of fixed connection in main part 1 bottom, sleeve 401 runs through to the bottom outer wall of main part 1, the bottom outer wall of sleeve 401 rotates through rotating the seat and is connected with four connecting rods 402, four connecting rods 402 are the circumference array distribution with stay cord two 303 outer center circles, the top outer wall fixedly connected with of fixed box 103 four fixed blocks one 403, four fixed blocks one 403 are circumference array distribution with stay cord two 303 as the center, when hoist hoisting structure pulls lifting hook 104 to the bottom of hoisting accessory, because the effect of inertia, building element then upwards moves to drive fixed box 103 upwards to move.
The slide has been seted up at the top of fixed block one 403, the inside sliding connection of slide has movable block 404, the one end that sleeve 401 was kept away from to connecting rod 402 is the top fixedly connected with fly leaf 405 of rotation connection movable block 404 with the top of movable block 404, the top fixedly connected with baffle 406 of fixed block one 403, fixedly connected with spring between fly leaf 405 and the baffle 406, the top of fixed box 103 is provided with assist mechanism 5, sleeve 401 then can receive the thrust that fixed box 103 risen, promote connecting rod 402, make connecting rod 402 remove outside along the slide of seting up at movable block 404 top, and cushion through the spring.
The auxiliary mechanism 5 comprises a first rectangular block 501 fixedly connected to the left side and the right side of the outer wall of the main body 1, a rotating rod 502 is rotatably connected to the outer wall of the bottom of the first rectangular block 501 through a rotating seat, four vertical plates 503 are fixedly connected to the outer wall of the top of the fixed box 103, the four vertical plates 503 are symmetrically distributed by taking the middle of the fixed box 103 as the center, when the crane drives equipment to move upwards, the fixed box 103 moves downwards, and the first rectangular block 501 pulls the rotating rod 502 to enable the rotating rod 502 to move inwards.
Fixedly connected with fixed column 504 between two risers 503, the outer wall sliding connection of fixed column 504 has two sliders 505, two sliders 505 use the middle part of fixed column 504 to be the central symmetry distribution, the one end that rectangle piece one 501 was kept away from to dwang 502 is fixed connection with the top of slider 505, fixedly connected with spring between slider 505 and the riser 503, the left side and the right side of fixed box 103 outer wall all are provided with wind-guiding mechanism 6, and drive slider 505 to move inwards together, slider 505 then can drive connecting block 607 and move inwards when moving.
The wind guiding mechanism 6 comprises a supporting plate 601 fixedly connected to the left side and the right side of the outer wall of the fixed box 103, a second fixing block 602 is fixedly connected to the outer wall of the top of the supporting plate 601, a slide way is arranged at the top of the second fixing block 602, a trapezoid block 603 is connected to the inside of the slide way in a sliding mode, a second rectangular block 604 is fixedly connected to the top of the trapezoid block 603, an arc-shaped plate 605 is fixedly connected to the left side of the second rectangular block 604, the sliding block 505 can drive the connecting block 607 to move inwards when moving, and the arc-shaped plate 605 is pushed to move outwards through the arc-shaped sliding block 606.
The trapezoidal spout has been seted up to one side that rectangle piece two 604 was kept away from to arc 605, the inside sliding connection of trapezoidal spout has two arc sliders 606, one side fixedly connected with connecting block 607 that arc 605 was kept away from to two arc sliders 606, the one end that arc slider 606 was kept away from to connecting block 607 is fixed connection with the right side outer wall of slider 505, one side that fixed box 103 was kept away from to backup pad 601 is rotated through the cylinder and is connected with aviation baffle 608, one side that aviation baffle 608 is close to backup pad 601 is rotated through rotating the seat and the right side of arc 605 is connected, then can promote aviation baffle 608 to rotate outside when arc 605 moves outside, thereby with strong wind direction elsewhere.
When in use, the building component is hung on the lifting hook 104, the motor 202 is started, the motor 202 drives the gear shaft 203 to rotate, the gear shaft 203 is meshed with the rack 204 through the gear on the gear shaft 203 and drives the rack 204 to move to the right side when the gear shaft 203 rotates, the rack 204 drives the transmission gear shaft 206 to rotate through the gear on the transmission gear shaft 206 when moving, thereby driving the closed clamping block 207 to rotate and close with the lifting hook 104, the building component hung on the lifting hook 104 is fixed, the crane is started, the crane drives the building component to move upwards through the first pull rope 105, the building component drives the second pull rope 303 to move downwards through the fixed box 103 when the second pull rope 303 moves downwards, the moving plate 301 is driven to move downwards when the second pull rope 303 moves downwards, when the building element is overloaded, the second pulling rope 303 pulls the moving plate 301 to move downwards, and makes the junction block 302 inside the moving plate 301 contact with the junction head 306 below, then the alarm 106 sounds to remind workers of the overload of the building element for processing, after the junction block 302 contacts with the junction head 306, the downward moving force of the moving plate 301 drives the junction head 306 to move downwards, the junction head 306 drives the moving block 305 to move downwards into the positioning block 304, when the crane drives the equipment to move upwards, the fixed box 103 moves downwards, the first rectangular block 501 pulls the rotating rod 502, the rotating rod 502 moves inwards, and drives the sliding block 505 to move inwards, the sliding block 505 moves inwards while driving the connecting block 607, and the arc-shaped plate 605 is pushed outwards through the arc-shaped sliding block 606, when the arc plate 605 moves outwards, the air deflector 608 is pushed to rotate outwards, strong wind is guided to the other places, when the lifting hook 104 is pulled to the bottom of the lifting device by the crane lifting structure, the building component moves upwards due to the action of inertia and drives the fixed box 103 to move upwards, the sleeve 401 receives the ascending thrust of the fixed box 103, the connecting rod 402 is pushed, and the connecting rod 402 moves outwards along the slideway arranged at the top of the movable block 404 and is buffered by the spring.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (1)
1. The utility model provides a hanging structure for tower crane prevents overload, includes main part (1), the bottom outer wall fixedly connected with protecting crust (101) of main part (1), the recess has been seted up to the outer wall of protecting crust (101), the inside sliding connection of recess has drum (102), the bottom fixedly connected with fixed box (103) of drum (102), two recesses have been seted up to the bottom of fixed box (103), two the recess runs through to the positive outer wall of fixed box (103), the bottom outer wall fixedly connected with of fixed box (103) two lifting hooks (104), two lifting hooks (104) use the middle part of fixed box (103) to be central symmetry and distribute, the top outer wall fixedly connected with stay cord one (105) of main part (1), the positive and the equal fixedly connected with siren (106) in back of main part (1) outer wall, its characterized in that still includes:
The fixing mechanism (2), fixing mechanism (2) is including fixed connection at positive layer board (201) of fixed box (103), the cavity has been seted up to the inside of fixed box (103), the top fixedly connected with motor (202) of layer board (201), the output fixedly connected with gear shaft (203) of motor (202), gear shaft (203) run through to the inside cavity of fixed box (103) and rotate with the back of cavity and be connected, the slide has been seted up at the top of cavity, the inside sliding connection of slide has slider (205);
The alarm mechanism (3), alarm mechanism (3) is including sliding connection at inside movable plate (301) of main part (1), the top outer wall fixedly connected with spring of movable plate (301), the one end that movable plate (301) was kept away from to the spring is fixed connection with the top inner wall of main part (1), two recesses have been seted up to the bottom outer wall of movable plate (301), two inside fixedly connected with junction block (302) of recess, the bottom outer wall fixedly connected with stay cord two (303) of movable plate (301), the one end that movable plate (301) was kept away from to stay cord two (303) is fixed connection with the top outer wall of fixed box (103);
The bottom of the sliding block (205) is fixedly connected with a rack (204), the rack (204) is meshed with a gear on the outer wall of the gear shaft (203), a transmission gear shaft (206) is rotatably connected in the cavity, the gear on the outer wall of the transmission gear shaft (206) is meshed with the rack (204), two ends of the transmission gear shaft (206) penetrate into a groove formed in the outer wall of the bottom of the fixed box (103), and a closed clamping block (207) is fixedly connected to the outer wall of the transmission gear shaft (206);
The novel high-voltage power supply is characterized in that two positioning blocks (304) are fixedly connected to the inner wall of the bottom of the main body (1), the two positioning blocks (304) are symmetrically distributed by taking the middle of the main body (1) as a center, a groove is formed in the top of each positioning block (304), a spring is fixedly connected to the inside of each groove, one end of each spring, which is far away from each groove, is fixedly connected with a transverse plate, each transverse plate is slidably connected to the inside of each groove, one side, which is far away from each spring, of each transverse plate is fixedly connected with a movable block (305), one side, which is far away from each transverse plate, of each movable block (305), is fixedly connected with a connector lug (306), and a buffer mechanism (4) is arranged on the outer wall of the bottom of the main body (1);
The buffering mechanism (4) comprises a sleeve (401) fixedly connected to the bottom of the main body (1), the sleeve (401) penetrates through the outer wall of the bottom of the main body (1), four connecting rods (402) are rotatably connected to the outer wall of the bottom of the sleeve (401) through a rotating seat, the four connecting rods (402) are distributed in a circumferential array by taking a second stay cord (303) outer center circle, four first fixing blocks (403) are fixedly connected to the outer wall of the top of the fixing box (103), and the four first fixing blocks (403) are distributed in a circumferential array by taking the second stay cord (303) as the center;
The sliding way is formed in the top of the first fixed block (403), the movable block (404) is connected inside the sliding way in a sliding way, one end, far away from the sleeve (401), of the connecting rod (402) is rotationally connected with the top of the movable block (404), the movable plate (405) is fixedly connected with the top of the movable block (404), the baffle (406) is fixedly connected with the top of the first fixed block (403), the spring is fixedly connected between the movable plate (405) and the baffle (406), and the top of the fixed box (103) is provided with the auxiliary mechanism (5);
the auxiliary mechanism (5) comprises a rectangular block I (501) fixedly connected to the left side and the right side of the outer wall of the main body (1), a rotating rod (502) is rotatably connected to the bottom outer wall of the rectangular block I (501) through a rotating seat, four vertical plates (503) are fixedly connected to the top outer wall of the fixed box (103), and the four vertical plates (503) are symmetrically distributed in pairs by taking the middle of the fixed box (103) as the center;
A fixed column (504) is fixedly connected between the two vertical plates (503), two sliding blocks (505) are slidably connected to the outer wall of the fixed column (504), the two sliding blocks (505) are symmetrically distributed by taking the middle part of the fixed column (504) as a center, one end, far away from the rectangular block I (501), of the rotating rod (502) is fixedly connected with the top of the sliding block (505), a spring is fixedly connected between the sliding block (505) and the vertical plates (503), and air guide mechanisms (6) are respectively arranged on the left side and the right side of the outer wall of the fixed box (103);
The air guide mechanism (6) comprises a supporting plate (601) fixedly connected to the left side and the right side of the outer wall of the fixed box (103), a second fixed block (602) is fixedly connected to the outer wall of the top of the supporting plate (601), a slide way is arranged at the top of the second fixed block (602), a trapezoid block (603) is slidably connected inside the slide way, a second rectangular block (604) is fixedly connected to the top of the trapezoid block (603), and an arc plate (605) is fixedly connected to the left side of the second rectangular block (604);
Trapezoidal spout has been seted up to one side that rectangle piece two (604) was kept away from to arc (605), the inside sliding connection of trapezoidal spout has two arc slider (606), two one side fixedly connected with connecting block (607) that arc slider (606) were kept away from to arc (605), one end that arc slider (606) was kept away from to connecting block (607) and the right side outer wall of slider (505) are fixed connection, one side that fixed box (103) was kept away from to backup pad (601) is connected with aviation baffle (608) through the cylinder rotation, one side that aviation baffle (608) is close to backup pad (601) is through rotating the right side of seat and arc (605) and is the rotation connection.
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| CN202410205827.XA CN117800206B (en) | 2024-02-26 | 2024-02-26 | Overload-preventing hanging structure for tower crane |
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| CN202410205827.XA CN117800206B (en) | 2024-02-26 | 2024-02-26 | Overload-preventing hanging structure for tower crane |
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| CN118107891B (en) * | 2024-04-23 | 2024-06-28 | 济南城市建设集团有限公司 | Lifting equipment for building engineering |
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| CN117800206A (en) | 2024-04-02 |
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