CN111017699B - A kind of lifting equipment for construction site - Google Patents
A kind of lifting equipment for construction site Download PDFInfo
- Publication number
- CN111017699B CN111017699B CN201911381182.0A CN201911381182A CN111017699B CN 111017699 B CN111017699 B CN 111017699B CN 201911381182 A CN201911381182 A CN 201911381182A CN 111017699 B CN111017699 B CN 111017699B
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- Prior art keywords
- driving
- wheel
- sliding
- lifting rod
- grooves
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- Expired - Fee Related
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- 238000010276 construction Methods 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000004804 winding Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims 1
- 238000011084 recovery Methods 0.000 description 13
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
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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
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
- B66C13/085—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions electrical
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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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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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
- B66C1/62—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 comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—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 comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses hoisting and carrying equipment for construction sites, which comprises a lifting rod, wherein a sealing cavity with an upward opening is arranged in the lifting rod, a connecting rod is arranged in the sealing cavity in a sliding manner, the upper end of the connecting rod is connected to a crane boom, connecting grooves with opposite openings are symmetrically arranged in the lifting rod left and right, and a transmission cavity is communicated between the connecting grooves.
Description
Technical Field
The invention relates to the field of cranes, in particular to a lifting and carrying device for a construction site.
Background
The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, is commonly used in construction sites, commonly comprises a crown block and a shunting car, and is a construction professional term of a hollow slab, is formed by pouring concrete and is a slab with a hollow cross section.
In the prior art, a crane is generally connected with two ends of a heavy object through two lifting ropes, a hollow slab is often carried on a building site, the stability of the crane is poor through the connection mode of the two lifting ropes, the hollow slab is easy to shake during carrying in the air, potential safety hazards of falling in the high air exist, the weight of the hollow slab is large, and the danger is high.
Disclosure of Invention
In order to solve the problems, the embodiment designs a hoisting and carrying device for a building site, which comprises a lifting rod, wherein a sealing cavity with an upward opening is arranged in the lifting rod, a connecting rod is arranged in the sealing cavity in a sliding manner, the upper end of the connecting rod is connected to a crane boom, a crane is pneumatically connected with the sealing cavity, the sealing cavity is inflated and pushed to slide downwards, the lifting rod is pumped out of the sealing cavity and driven to ascend, connecting grooves with opposite openings are symmetrically arranged in the lifting rod in a bilateral manner, a transmission cavity is communicated between the connecting grooves, a driving device is arranged in the transmission cavity and the connecting grooves, the driving device is connected with two lifting ropes in a winding manner, the lower ends of the lifting ropes extend out of the lifting rod and are used for connecting heavy objects, rotating arms are symmetrically arranged on the left side and the right side of the lifting rod, the rotating arm is close to one end of the lifting rod and extends into the connecting groove, a gear groove with an opening facing the lifting rod is arranged in the rotating arm, two driven straight gears in the driving device respectively rotate and are arranged in the gear grooves on two sides, a connecting shaft is fixedly connected between the driven straight gears and the rotating arm, the front end and the rear end of the connecting shaft are rotatably connected with the lifting rod, one end of the rotating arm, which is far away from the lifting rod, is fixedly connected with a connecting block, the rotating arm is in a vertical state initially, the connecting block is positioned at an upper limit position at the moment, the driving device drives the driven straight gears to rotate and drives the rotating arm to rotate through the connecting shaft, the connecting block is driven to rotate until the rotating arm is in a horizontal state, meanwhile, the driving device winds and takes in the lifting rope, and a connecting device is arranged in the connecting block, when the rotating arm is in a horizontal state, the connecting device is started, the hollow plate is located between the connecting blocks on two sides, the four telescopic rods in the connecting device extend into the through holes of the hollow plate and are connected with the hollow plate, the connecting device is stopped after the telescopic rods on the left side and the right side are contacted, the hollow plate is connected through the four telescopic rods, the stability of the hollow plate in the air can be improved, and the hollow plate can be prevented from falling. Beneficially, the connecting device comprises driving straight gears which are bilaterally symmetrical and rotatably arranged in the transmission cavity, the two driving straight gears are meshed, the driven straight gears on two sides are respectively meshed with the driving straight gears on two sides, symmetrical rotating shafts are fixedly connected in the driving straight gears, a driving motor is fixedly arranged in the inner wall of the rear side of the transmission cavity, the rear end of the symmetrical rotating shaft on the right side is in power connection with the driving motor, the rear end of the symmetrical rotating shaft on the left side is rotatably connected to the lifting rod, the driving motor is started, the driving straight gears on the right side are driven by the symmetrical rotating shafts on the right side to rotate, the driving straight gears on the left side are driven to rotate, the two driving straight gears respectively drive the driven straight gears on two sides to rotate, the rotating arm is driven to rotate by the connecting shaft, and the front end of the driving straight gear is fixedly connected, two lifting rope upper ends are respectively convoluteed in the rope winding wheel, the straight-tooth drive gear rotates and drives the rope winding wheel rotates, when the rotor arm rotates to the horizontal state from the vertical state, the rope winding wheel rotates and convolutes and packs up the lifting rope.
Beneficially, the connecting device comprises grooves with opposite openings and arranged on two sides in the connecting blocks, active connecting wheels are rotationally arranged in the grooves, power shafts are fixedly connected in the active connecting wheels, control motors are fixedly arranged in the inner walls of the grooves, far away from one sides of the lifting rods, the power shafts are dynamically connected to the control motors, the active connecting wheels are rotationally and slidably arranged close to one sides of the lifting rods, connecting holes with openings facing the active connecting wheels are formed in the sliding wheels, rotating blocks are symmetrically arranged between the active connecting wheels and the sliding wheels, the two rotating blocks are rotationally connected to the power shafts and the sliding wheels respectively, connecting springs are fixedly connected between the rotating blocks, four telescopic rods are arranged between the sliding wheels on two sides and are symmetrically arranged in the front and back directions, and threaded holes with openings facing the sliding wheels are formed in the telescopic rods, the screw hole is internally threaded with a feed screw rod, the feed screw rod is connected with the sliding wheel in a left-right sliding manner, meshing gears are symmetrically arranged in the connecting hole in a front-back manner, the meshing gears are connected with the feed screw rod in a spline manner, an electromagnetic spring is fixedly connected between the meshing gears and the feed screw rod, a meshing hole with an opening facing the sliding wheel is arranged in the driving connecting wheel, the meshing gears slide into the meshing hole and are meshed with the driving connecting wheel, the electromagnetic spring is electrified to drive the meshing gears to slide into the meshing hole and be meshed with the driving connecting wheel, the sliding wheel is not connected with the driving connecting wheel, the control motor is started at the moment, the driving connecting wheel is driven to rotate by the power shaft, the meshing gears are driven to rotate, and the telescopic rod is driven to slide and extend into the through hole of the hollow plate by the feed screw rod, it is right connecting spring circular telegram and right electromagnetic spring cuts off the power supply, and then passes through connecting spring drives the movable pulley is close to the initiative fifth wheel slides, and pass through the connecting hole connect in the initiative fifth wheel, this moment the meshing gear with the initiative fifth wheel breaks away from the meshing, this moment the initiative fifth wheel rotates and drives the movable pulley rotates, and then drives the feed screw rod winds the power shaft rotates, and then drives the telescopic link winds the power shaft rotates, and then drives the hollow slab and rotates, and then can adjust the state of putting when the hollow slab puts down.
Preferably, the recovery grooves with openings deviating from the feed screw are arranged in the telescopic rod in an annular array distribution, the recovery grooves are internally and slidably provided with sliding pistons, air pumps are fixedly arranged in the telescopic rod, a connecting air pipe is connected between the air pumps and the recovery grooves, one end of the telescopic rod, which is far away from the sliding wheel, is fixedly connected with a contact switch, the control motor is stopped after the contact switches on the left side and the right side are contacted, the electromagnetic spring is powered off to enable the meshing gear to be disengaged from the driving connecting wheel, meanwhile, the connecting spring is powered on to enable the sliding wheel to be connected with the driving connecting wheel, the air pumps are started simultaneously, the air pipes are connected to inflate the recovery grooves, and then the sliding pistons are pushed to slide outside the recovery grooves until the sliding pistons are supported on the inner walls of the through holes in the hollow plate, the hollow plate is prevented from sliding left and right between the sliding wheels at two sides.
The invention has the beneficial effects that: the hollow plate lifting device can be connected with a common heavy object through two lifting ropes, and can also be connected with the hollow plate through four telescopic rods extending into the through hole of the hollow plate, so that the stability of the hollow plate at high altitude is improved, the telescopic rods at the left side and the right side are contacted in the through hole of the hollow plate, the potential safety hazard of falling when the hollow plate is carried is eliminated, the sliding piston is supported on the inner wall of the through hole, the hollow plate is prevented from moving left and right, and the hollow plate can be driven to rotate to adjust the placing position when the hollow plate.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic view showing the overall construction of a crane handling apparatus for construction sites according to the present invention;
FIG. 2 is a schematic view of a hollow core slab;
FIG. 3 is an enlarged schematic view of "A" of FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 5 is a schematic view of the structure in the direction "C-C" of FIG. 3;
FIG. 6 is a schematic view of the structure in the direction "D-D" of FIG. 3.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to hoisting and carrying equipment for construction sites, which comprises a lifting rod 17, wherein a sealing cavity 15 with an upward opening is arranged in the lifting rod 17, a connecting rod 16 is arranged in the sealing cavity 15 in a sliding manner, the upper end of the connecting rod 16 is connected with a crane boom, a crane is in pneumatic connection with the sealing cavity 15, the lifting rod 17 is inflated into the sealing cavity 15 and pushed to slide downwards, the lifting rod 17 is sucked from the sealing cavity 15 and driven to ascend, connecting grooves 14 with opposite openings are symmetrically arranged in the lifting rod 17 in the left and right direction, a transmission cavity 21 is communicated between the connecting grooves 14, a driving device 101 is arranged in the transmission cavity 21 and the connecting grooves 14, the driving device 101 is connected with two lifting ropes 22 in a winding manner, the lower ends of the lifting ropes 22 extend out of the lifting rod 17 and are used for connecting heavy objects, rotating arms 12 are symmetrically arranged on the left and right sides of the lifting rod 17, the rotor arm 12 is close to the lifter 17 one end extends to in the spread groove 14, be equipped with the opening orientation in the rotor arm 12 the gear groove 13 of lifter 17, two driven spur gears 23 in the drive arrangement 101 rotate respectively and locate both sides in the gear groove 13, driven spur gear 23 with link firmly connecting axle 19 between the rotor arm 12, both ends are rotated around connecting axle 19 and are connected in lifter 17, rotor arm 12 keeps away from lifter 17 one end has linked firmly connecting block 11, and the rotor arm 12 is in vertical state during the initial time, this moment connecting block 11 is located upper limit position, drive arrangement 101 is through the drive driven spur gear 23 rotates to pass through the connecting axle 19 drives the rotor arm 12 rotates, gets into and drives connecting block 11 rotates, until rotor arm 12 becomes horizontal state, meanwhile, the lifting rope 22 is wound and stored by the driving device 101, the connecting device 100 is arranged in the connecting block 11, when the rotating arm 12 is in a horizontal state, the connecting device 100 is started, the hollow plate is located between the connecting blocks 11 on two sides, the four telescopic rods 34 in the connecting device 100 extend into the through holes of the hollow plate and are connected with the hollow plate, the connecting device 100 is stopped after the telescopic rods 34 on the left side and the right side are contacted, the hollow plate is connected through the four telescopic rods 34, the stability of the hollow plate in the air can be improved, and the hollow plate can be prevented from falling.
According to the embodiment, the driving device 101 is described in detail below, the connecting device 100 includes two driving spur gears 20 that are bilaterally symmetrical and rotatably disposed in the transmission cavity 21, the two driving spur gears 20 are engaged with each other, the driven spur gears 23 on two sides are respectively engaged with the driving spur gears 20 on two sides, a symmetrical rotating shaft 18 is fixedly connected to the driving spur gears 20, a driving motor 42 is fixedly disposed in the inner wall of the rear side of the transmission cavity 21, the rear end of the symmetrical rotating shaft 18 on the right side is power-connected to the driving motor 42, the rear end of the symmetrical rotating shaft 18 on the left side is rotatably connected to the lifting rod 17, the driving motor 42 is started, the driving spur gear 20 on the right side is driven to rotate by the symmetrical rotating shaft 18 on the right side, the driving spur gear 20 on the left side is driven to rotate, and the driving spur gears 20 on two sides are driven to rotate by the driving spur, and then drive through connecting axle 19 the rotor arm 12 rotates, the driving spur gear 20 front end is linked firmly has rope winding wheel 41, two lifting rope 22 upper end respectively convolute in rope winding wheel 41, driving spur gear 20 rotates and drives rope winding wheel 41 rotates, when rotor arm 12 rotates to the horizontality from vertical state, rope winding wheel 41 rotates and convolutes and packs up lifting rope 22.
According to the embodiment, the following detailed description will be given to the connecting device 100, the connecting device 100 includes grooves 40 with opposite openings and disposed in the connecting blocks 11, a driving connecting wheel 26 is disposed in the grooves 40 in a rotating manner, a power shaft 24 is fixedly connected in the driving connecting wheel 26, a control motor 25 is fixedly disposed in an inner wall of one side of the grooves 40 away from the lifting rod 17, the power shaft 24 is in power connection with the control motor 25, a sliding wheel 29 is rotatably and slidably disposed on one side of the driving connecting wheel 26 close to the lifting rod 17, a connecting hole 28 with an opening facing the driving connecting wheel 26 is disposed in the sliding wheel 29, rotating blocks 45 are symmetrically disposed between the driving connecting wheel 26 and the sliding wheel 29, the two rotating blocks 45 are respectively rotatably connected to the power shaft 24 and the sliding wheel 29, and a connecting spring 44 is fixedly connected between the rotating blocks 45, the four telescopic rods 34 are positioned between the sliding wheels 29 on two sides and are symmetrical front and back, threaded holes 31 with openings facing the sliding wheels 29 are formed in the telescopic rods 34, feed screws 43 are connected with the threaded holes 31 in an internal thread mode, the feed screws 43 are connected with the sliding wheels 29 in a left-right sliding mode, meshing gears 38 are symmetrically arranged in the connecting holes 28 front and back, the meshing gears 38 are connected with the feed screws 43 in a spline mode, electromagnetic springs 39 are fixedly connected between the meshing gears 38 and the feed screws 43, meshing holes 27 with openings facing the sliding wheels 29 are formed in the driving connecting wheel 26, the meshing gears 38 slide into the meshing holes 27 and are meshed with the driving connecting wheel 26, the electromagnetic springs 39 are electrified, and then the meshing gears 38 are driven to slide into the meshing holes 27 and are meshed with the driving connecting wheel 26, at this time, the sliding wheel 29 is not connected with the driving connecting wheel 26, at this time, the control motor 25 is started, so that the driving connecting wheel 26 is driven to rotate by the power shaft 24, so that the engaging gear 38 is driven to rotate, so that the telescopic rod 34 is driven to slide by the feed screw 43 and extend into the through hole of the hollow slab, the connecting spring 44 is energized and the electromagnetic spring 39 is de-energized, so that the sliding wheel 29 is driven by the connecting spring 44 to slide close to the driving connecting wheel 26 and is connected to the driving connecting wheel 26 by the connecting hole 28, at this time, the engaging gear 38 is disengaged from the driving connecting wheel 26, at this time, the driving connecting wheel 26 rotates and drives the sliding wheel 29 to rotate, so that the feed screw 43 is driven to rotate around the power shaft 24, so that the telescopic rod 34 is driven to rotate around the power shaft 24, and then drive the hollow slab and rotate, and then can adjust the state of putting when the hollow slab puts down.
Beneficially, the recovery grooves 35 with openings deviating from the feed screw 43 are distributed in the telescopic rod 34 in an annular array, the sliding piston 30 is slidably disposed in the recovery groove 35, the air pump 32 is fixedly disposed in the telescopic rod 34, the connecting air pipe 36 is connected between the air pump 32 and the recovery groove 35, one end of the telescopic rod 34, which is far away from the sliding wheel 29, is fixedly connected with the contact switch 33, when the contact switches 33 on the left side and the right side are contacted, the control motor 25 is stopped, the electromagnetic spring 39 is powered off to disengage the meshing gear 38 from the driving connecting wheel 26, and the connecting spring 44 is powered on to connect the sliding wheel 29 with the driving connecting wheel 26, the air pump 32 is started at the same time, the recovery grooves 35 are inflated through the connecting air pipe 36, and the sliding piston 30 is further pushed to slide outside the recovery groove 35, until the sliding piston 30 rests on the inner wall of the through hole in the hollow plate, preventing the hollow plate from sliding to the left and right between the sliding wheels 29 on both sides.
The following describes in detail the use steps of a crane handling apparatus for construction sites according to the present invention with reference to fig. 1 to 6:
initially, the retractable rod 34 is close to the sliding wheel 29, the sliding piston 30 is located in the recovery groove 35, the sliding wheel 29 is not connected to the driving connecting wheel 26, the engaging gear 38 is not engaged with the driving connecting wheel 26, the rotating arm 12 is in a vertical state, the connecting block 11 is located at an upper limit position, and the lower end of the lifting rope 22 extends out of the lifting rod 17.
During the use, start driving motor 42, and then drive the right side through the symmetry axis of rotation 18 on right side and rotate, and then drive the rotation of left side drive spur gear 20, and then two drive spur gears 20 drive the driven spur gear 23 rotation of both sides respectively, and then drive rotor arm 12 through connecting axle 19 and rotate, until rotor arm 12 rotates to the level, drive spur gear 20 simultaneously and drive rope winding wheel 41 and rotate, and then accomodate the lifting rope 22 convolute in transmission chamber 21.
Stopping driving the motor 42, placing the hollow plate between the connecting blocks 11, electrifying the electromagnetic spring 39 and starting the control motor 25, the electromagnetic spring 39 drives the meshing gear 38 to slide into the meshing hole 27 and mesh with the driving connecting wheel 26, at this time, the control motor 25 drives the driving connecting wheel 26 to rotate through the power shaft 24 and further drives the meshing gear 38 to rotate, further drives the telescopic rod 34 to extend into the through hole of the hollow plate through the feed screw 43 until the contact switches 33 at both sides are contacted and started, at this time, stopping the control motor 25, powering off the electromagnetic spring 39 to disengage the meshing gear 38 from the driving connecting wheel 26, electrifying the connecting spring 44 at the same time, connecting the sliding wheel 29 with the driving connecting wheel 26, simultaneously starting the air pump 32, inflating the recovery groove 35 through the connecting air pipe 36, further pushing the sliding piston 30 to slide outside the recovery groove 35 until the sliding piston 30 is supported on the inner wall of the through hole in the hollow plate, the hollow board is prevented from sliding left and right between the sliding wheels 29 on both sides.
The hoist is bled from sealed chamber 15 and is driven lifter 17 and upwards slides along connecting rod 16, and then promotes the hollow slab, when the state of putting when needing adjustment hollow slab to put down, starts control motor 25, and then drives initiative fifth wheel 26 through power shaft 24 and rotates, and then drives movable pulley 29 and rotates, and then drives feed screw 43 and rotates around power shaft 24, and then drives telescopic link 34 and rotates around power shaft 24, and then drives the hollow slab and rotate.
The invention has the beneficial effects that: the hollow plate lifting device can be connected with a common heavy object through two lifting ropes, and can also be connected with the hollow plate through four telescopic rods extending into the through hole of the hollow plate, so that the stability of the hollow plate at high altitude is improved, the telescopic rods at the left side and the right side are contacted in the through hole of the hollow plate, the potential safety hazard of falling when the hollow plate is carried is eliminated, the sliding piston is supported on the inner wall of the through hole, the hollow plate is prevented from moving left and right, and the hollow plate can be driven to rotate to adjust the placing position when the hollow plate.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (1)
1. A lifting and carrying device for a construction site comprises a lifting rod, wherein a sealing cavity with an upward opening is formed in the lifting rod, a connecting rod is arranged in the sealing cavity in a sliding mode, and the upper end of the connecting rod is connected to a crane boom; the method is characterized in that: the lifting rod is internally provided with connecting grooves which are bilaterally symmetrical and are provided with openings opposite to each other, a transmission cavity is communicated between the connecting grooves, driving devices are arranged in the transmission cavity and the connecting grooves, the driving devices are connected with two lifting ropes in a winding manner, and the lower ends of the lifting ropes extend out of the lifting rod and are used for connecting a heavy object; rotating arms are symmetrically arranged on the left side and the right side of the lifting rod, one ends of the rotating arms, which are close to the lifting rod, extend into the connecting grooves, gear grooves with openings facing the lifting rod are formed in the rotating arms, two driven straight gears in the driving device are respectively rotatably arranged in the gear grooves on the two sides, a connecting shaft is fixedly connected between the driven straight gears and the rotating arms, and the front end and the rear end of the connecting shaft are rotatably connected to the lifting rod; one end of the rotating arm, far away from the lifting rod, is fixedly connected with a connecting block, a connecting device is arranged in the connecting block, four telescopic rods in the connecting device extend into through holes of the hollow plate and are connected with the hollow plate, and the connecting device is stopped after the telescopic rods on the left side and the right side are contacted; the connecting device comprises driving straight gears which are bilaterally symmetrical and are rotatably arranged in the transmission cavity, the two driving straight gears are meshed, the driven straight gears on two sides are respectively meshed with the driving straight gears on two sides, symmetrical rotating shafts are fixedly connected in the driving straight gears, a driving motor is fixedly arranged in the inner wall of the rear side of the transmission cavity, the rear ends of the symmetrical rotating shafts on the right side are in power connection with the driving motor, and the rear ends of the symmetrical rotating shafts on the left side are rotatably connected to the lifting rod; the front end of the driving straight gear is fixedly connected with a rope winding wheel, and the upper ends of the two lifting ropes are respectively wound on the rope winding wheel; the connecting device comprises grooves with opposite openings and arranged in the connecting blocks at two sides, active connecting wheels are rotationally arranged in the grooves, power shafts are fixedly connected in the active connecting wheels, control motors are fixedly arranged in the inner walls of the grooves at one sides far away from the lifting rods, and the power shafts are in power connection with the control motors; the driving connecting wheel is provided with a sliding wheel in a rotating and sliding manner at one side close to the lifting rod, a connecting hole with an opening facing the driving connecting wheel is formed in the sliding wheel, rotating blocks are symmetrically arranged between the driving connecting wheel and the sliding wheel, the two rotating blocks are respectively connected to the power shaft and the sliding wheel in a rotating manner, and a connecting spring is fixedly connected between the rotating blocks; the four telescopic rods are positioned between the sliding wheels at two sides and are symmetrical front and back, threaded holes with openings facing the sliding wheels are formed in the telescopic rods, and feeding screws are connected with the threaded holes in an internal thread mode; the feeding screw rod is connected with the sliding wheel in a left-right sliding manner; meshing gears are symmetrically arranged in the connecting hole in a front-back mode, the meshing gears are connected to the feeding screw through splines, and electromagnetic springs are fixedly connected between the meshing gears and the feeding screw; the driving connecting wheel is internally provided with an engaging hole with an opening facing the sliding wheel, and the engaging gear slides into the engaging hole and is engaged with the driving connecting wheel; annular array distributes in the telescopic link is equipped with the opening and deviates from the accumulator of feed screw, it is equipped with the slip piston to slide in the accumulator, the telescopic link internal stability has the air pump, the air pump with be connected with the connecting air pipe between the accumulator, the telescopic link is kept away from movable pulley one end has linked firmly contact switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911381182.0A CN111017699B (en) | 2019-12-28 | 2019-12-28 | A kind of lifting equipment for construction site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911381182.0A CN111017699B (en) | 2019-12-28 | 2019-12-28 | A kind of lifting equipment for construction site |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111017699A CN111017699A (en) | 2020-04-17 |
| CN111017699B true CN111017699B (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911381182.0A Expired - Fee Related CN111017699B (en) | 2019-12-28 | 2019-12-28 | A kind of lifting equipment for construction site |
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| CN (1) | CN111017699B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119591040B (en) * | 2024-12-25 | 2026-01-16 | 广东汇盈电力工程有限公司 | Lifting device of multifunctional cable well cover plate |
| CN120206876B (en) * | 2025-05-28 | 2025-08-15 | 山西鸿煷机械设备股份有限公司 | Cold isostatic pressing machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009157917A1 (en) * | 2008-06-23 | 2009-12-30 | Carroll Diaz | Shackle apparatus |
| CN106182080B (en) * | 2016-08-08 | 2019-03-08 | 江苏捷帝机器人股份有限公司 | It is a kind of can all-direction rotation rotary extension type mechanical arm |
| CN207645606U (en) * | 2017-12-26 | 2018-07-24 | 张家港市盛达冶金吊具制造有限公司 | A kind of metallurgical suspender with lateral lift mechanism |
| CN208375316U (en) * | 2018-03-20 | 2019-01-15 | 布凡创客（天津）教育科技有限公司 | A kind of multivariant manipulator |
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| CN111017699A (en) | 2020-04-17 |
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