CN111453609A - Clamping type hoisting sling of building construction crane and hoisting construction method - Google Patents
Clamping type hoisting sling of building construction crane and hoisting construction method Download PDFInfo
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- CN111453609A CN111453609A CN202010330084.0A CN202010330084A CN111453609A CN 111453609 A CN111453609 A CN 111453609A CN 202010330084 A CN202010330084 A CN 202010330084A CN 111453609 A CN111453609 A CN 111453609A
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- heavy object
- clamping
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- threaded
- rod
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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
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
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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
Abstract
The invention discloses a clamping type hoisting sling of a building construction crane, which comprises a hoisting rope, wherein the lower end of the hoisting rope is fixedly connected with a knot, and a horizontal clamping type hoisting sling is fixedly connected below the knot in a hanging manner through a plurality of suspension ropes; the clamping type hoisting crane can tightly clamp the hoisted weight; the friction force generated after the second herringbone anti-slip piles of the anti-slip strip tightly press the side wall of the lifted heavy object is enough to prevent the clamped lifted heavy object from sliding downwards relative to the two clamping blocks; therefore, the clamped lifted heavy object is prevented from sliding downwards relative to the two clamping blocks in time, the safety function is achieved, and the clamped lifted heavy object is prevented from sliding off.
Description
Technical Field
The invention belongs to the field of cranes.
Background
When the hoisted heavy object is clamped and suspended by the clamping type hoisting sling, if the hoisted heavy object shakes due to hoisting equipment or swings in high wind and high amplitude, the static friction force between the hoisted heavy object and the clamping piece can be overcome, so that relative sliding occurs, and at the moment, the risk of falling of the hoisted heavy object occurs.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a clamping type hoisting sling of a building construction crane and a hoisting construction method.
The technical scheme is as follows: in order to achieve the purpose, the clamping type hoisting sling for the building construction crane comprises a hoisting rope, wherein the lower end of the hoisting rope is fixedly connected with a knot, and a horizontal clamping type hoisting sling is fixedly connected below the knot in a hanging manner through a plurality of suspension ropes; the clamping type hoisting crane further comprises a block-shaped hoisted heavy object, and the clamping type hoisting crane can tightly clamp the hoisted heavy object.
Furthermore, the clamping type lifting sling comprises a top support, wherein two sides of the top support are symmetrically and fixedly connected with a suspension support extending downwards, and a left guide rod support and a right guide rod support are fixed at the lower end of the suspension support; two guide rods are horizontally arranged between the left guide rod bracket and the right guide rod bracket in parallel; the clamping device also comprises two clamping blocks, wherein the two clamping blocks are arranged on the two guide rods in a sliding manner and can slide along the length direction of the guide rods; the two clamping blocks move close to each other to clamp the lifted heavy object.
Furthermore, the two clamping blocks are respectively a left clamping block and a right clamping block which are symmetrical left and right; the upper end of the left clamping block is fixedly provided with two left guide hole seats, each left guide hole seat is provided with a left guide hole in a penetrating way, and the two guide rods respectively pass through the two left guide holes coaxially in a sliding way; two right guide hole seats are fixedly arranged at the upper end of the right clamping block, right guide holes are formed in each right guide hole seat in a penetrating mode, and the two guide rods respectively penetrate through the two right guide holes in a coaxial sliding mode.
Furthermore, a gear shaft is arranged between the two guide rods in parallel, and a transmission gear is integrally arranged on the gear shaft coaxially; the two ends of the gear shaft are coaxially and integrally connected with a first threaded transmission rod and a second threaded transmission rod; the rotating direction of the external thread of the first threaded transmission rod is opposite to that of the external thread of the second threaded transmission rod; the upper end of the left clamping block is also fixedly connected with a left threaded hole seat, a through left threaded hole is formed in the left threaded hole seat, and the first threaded transmission rod is in threaded transmission fit with the left threaded hole; the upper end of the right clamping block is fixedly connected with a right threaded hole seat, a through right threaded hole is formed in the right threaded hole seat, and the second threaded transmission rod is in threaded transmission fit with the right threaded hole.
Further, the lower side of the top support is fixedly provided with a motor through a motor support, the output end of the motor is connected with an output gear in a transmission mode, and the output gear is in transmission meshing with the transmission gear.
Furthermore, one side surface of each of the two clamping blocks, which is close to each other, is a clamping surface, and a plurality of first herringbone anti-slip piles are uniformly distributed on the clamping surface.
Furthermore, a rectangular window is hollowed in the middle of the clamping surface of the clamping block, a safety wheel is arranged in the middle of the rectangular window, and the axis of the safety wheel is perpendicular to the vertical direction;
the safety wheel comprises a safety wheel and a hexagonal shaft, wherein the axle center of the safety wheel is coaxially provided with an inner hexagonal through hole in a through manner, the hexagonal shaft penetrates through the inner hexagonal through hole in a sliding manner and is of a regular hexagon in cross section, the torque of the safety wheel can be transmitted to the hexagonal shaft through the inner hexagonal through hole, and the hexagonal shaft can slide along the axis direction under the constraint of the inner hexagonal through hole;
the upper brim of the rectangular window is fixedly connected with an upper bracket, and two horizontal upper restraint wheels are rotatably mounted on two sides of the lower end of the upper bracket through two upper wheel brackets; the two upper constraint wheels are respectively matched with two side walls of the safety wheel in a rolling way; the lower brim of the rectangular window is fixedly connected with a lower bracket, and two horizontal lower restraint wheels are rotatably mounted on two sides of the upper end of the lower bracket through two lower wheel brackets; the two lower constraint wheels are respectively matched with two side walls of the safety wheel in a rolling way; under the constraint of the two lower constraint wheels and the two upper constraint wheels, the safety wheel cannot slide along the axis direction of the safety wheel;
the outer ring of the safety wheel is an elastic anti-skid tire, and the safety wheel is in rolling fit with the side wall of the lifted heavy object through the elastic anti-skid tire under the condition that a plurality of first herringbone anti-skid piles on the clamping surface are tightly pressed and attached to the side wall of the lifted heavy object;
the right end of the hexagonal shaft is integrally connected with a threaded rod with the same axis, and a threaded hole is horizontally communicated on the right side of the rectangular window; the threaded rod is in threaded transmission fit with the threaded hole;
the left side of the rectangular window is provided with a blind hole which is coaxial with the hexagonal shaft, the bottom end of the blind hole is communicated with a hydraulic column cavity through the same axis, a hydraulic piston is arranged in the hydraulic column cavity in a sliding manner through the same axis, the hydraulic window further comprises a hydraulic ejector rod, and the left end of the hydraulic ejector rod is fixedly connected with the hydraulic piston through the same axis; the left end of the hexagonal shaft is integrally provided with a bearing sleeve with the same axis, and the right end of the hydraulic ejector rod is in rotating close fit connection with the bearing sleeve through a thrust ball bearing;
a vertical strip-shaped groove is formed in the clamping surface of the clamping block, an anti-slip strip is arranged in the strip-shaped groove, a plurality of second herringbone anti-slip piles are fixed on the outer side surface array of the anti-slip strip, a plurality of piston channels are vertically arranged at the bottom of the strip-shaped groove, a second hydraulic piston is movably arranged in each piston channel, and each second hydraulic piston is fixedly connected with the anti-slip strip through a hydraulic push rod;
a transition hydraulic cavity is arranged in the clamping block, one ends of the piston channels, which are far away from the anti-slip strips, are communicated with the transition hydraulic cavity, and the transition hydraulic cavity is communicated with the hydraulic column cavity through a liquid guide channel; hydraulic oil is filled in the liquid guide channel, the hydraulic column cavity, the transition hydraulic cavity and the piston channel; the hydraulic push rod can push the anti-slip strips outwards under the action of hydraulic force, so that the second herringbone anti-slip piles on the anti-slip strips tightly press the side walls of the lifted heavy object.
Further, the anti-skid construction method of the clamping type hoisting sling of the building construction crane comprises the following steps:
a clamping process: the output end of the motor drives the transmission gear to rotate through the output gear, so that the transmission gear drives the first threaded transmission rod and the second threaded transmission rod to synchronously rotate in the positive direction, and the rotation direction of the external thread of the first threaded transmission rod is opposite to that of the external thread of the second threaded transmission rod, so that the left clamping block and the right clamping block move close to each other at equal speed under the threaded transmission, and a lifted heavy object is tightly clamped between the left clamping block and the right clamping block;
the hoisting process: the clamping type hoisting sling is pulled upwards by the hoisting rope, so that the clamped hoisted heavy object is separated from the ground; when the lifted heavy object is stably clamped between the left clamping block and the right clamping block, the plurality of first herringbone anti-slip piles are tightly pressed and attached to the side wall of the lifted heavy object, and the safety wheel is in rolling fit with the side wall of the lifted heavy object through the elastic anti-slip tire; under a normal and stable state, the static friction force between the first herringbone anti-slip piles and the side wall of the lifted heavy object is enough to overcome the gravity of the lifted heavy object, and the lifted heavy object and the two clamping blocks cannot slide relatively, so that the safety wheel and the side wall of the lifted heavy object cannot roll;
when the hoisted heavy object is hoisted and suspended by the clamping hoisting sling, if the hoisted heavy object is shaken by hoisting equipment or swings in high wind and high amplitude, the static friction force between the side wall of the hoisted heavy object and the first herringbone anti-skidding piles can be overcome, so that relative sliding occurs, and at the moment, the risk of falling off of the hoisted heavy object can occur;
under the condition that equipment shakes or swings greatly due to strong wind, when the static friction force between the side wall of the lifted heavy object and the first herringbone anti-skidding piles cannot sufficiently overcome the gravity and amplitude inertia of the lifted heavy object, the clamped lifted heavy object slides downwards relative to the two clamping blocks, and the lifted heavy object slides downwards relative to the two clamping blocks to drive the safety wheel to rotate at a certain angle in the forward direction; the forward rotation of the safety wheel can transmit the rotation torque to the hexagonal shaft through the inner hexagonal through hole, the torque transmitted to the hexagonal shaft by the safety wheel can be controlled by controlling the diameter of the safety wheel, so that the hexagonal shaft rotates by a certain angle, the rotation of the hexagonal shaft can drive the threaded rod to synchronously rotate forward, the rotation of the threaded rod can drive the threaded rod to displace by one end distance leftwards under the pushing of threads in the threaded hole, and the leftward pushing of the threaded rod can synchronously drive the hexagonal shaft, the hydraulic ejector rod and the hydraulic piston to synchronously push leftwards;
the hydraulic pistons are pushed rightwards, hydraulic pressure is transmitted to the second hydraulic pistons through the liquid guide channels, then the second hydraulic pistons drive the hydraulic push rods to push the anti-slip strips outwards, so that the second herringbone anti-slip piles on the anti-slip strips tightly press the side walls of the lifted heavy object, the diameter of the safety wheel is positively correlated with torque transmitted to the hexagonal shaft, the diameter of the safety wheel can be made to be arbitrarily large theoretically, the pressing force of the second herringbone anti-slip piles on the anti-slip strips tightly pressing the side walls of the lifted heavy object can be arbitrarily large theoretically, and in the implementation process, friction force generated after the second herringbone anti-slip piles on the anti-slip strips tightly pressing the side walls of the lifted heavy object is enough to prevent the clamped lifted heavy object from sliding downwards relative to the two clamping blocks; therefore, the clamped lifted heavy object is prevented from sliding downwards relative to the two clamping blocks in time, the safety function is achieved, and the clamped lifted heavy object is prevented from sliding off.
Has the advantages that: the friction force generated after the second herringbone anti-slip piles of the anti-slip strip tightly press the side wall of the lifted heavy object is enough to prevent the clamped lifted heavy object from sliding downwards relative to the two clamping blocks; therefore, the clamped lifted heavy object is prevented from sliding downwards relative to the two clamping blocks in time, the safety function is achieved, and the clamped lifted heavy object is prevented from sliding off.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the device (the lifted heavy object is clamped);
FIG. 2 is a second schematic view of the overall structure of the apparatus (the lifted object is not clamped);
FIG. 3 is a schematic structural view of a transmission part of two clamping blocks;
FIG. 4 is a front view of the clamping block;
FIG. 5 is an enlarged schematic view of the rectangular window of FIG. 4;
FIG. 6 is a schematic perspective view of a clamping block;
FIG. 7 is a first perspective cutaway view of FIG. 6;
FIG. 8 is a second schematic perspective cutaway view of FIG. 6;
FIG. 9 is a third schematic perspective cutaway view of FIG. 6;
FIG. 10 is a schematic view of a construction of a safety wheel fitted with a hexagonal shaft;
fig. 11 is a schematic view of a hexagonal shaft structure.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
1, construction crane centre gripping type hoist that as shown in attached figure 1 to 11, its characterized in that: the lifting device comprises a lifting rope 8, wherein the lower end of the lifting rope 8 is fixedly connected with a knot 9, and a horizontal clamping type lifting sling 100 is fixedly connected below the knot 9 in a hanging manner through a plurality of hanging ropes 10; and a block-shaped hoisted weight 16, the clamping type hoisting sling 100 can tightly clamp the hoisted weight 16.
The clamping type hoisting sling 100 comprises a top bracket 13, a suspension bracket 14 extending downwards, a left guide rod bracket 2.1 and a right guide rod bracket 2.2, wherein the two sides of the top bracket 13 are symmetrically and fixedly connected with the suspension bracket 14, and the left guide rod bracket and the right guide rod bracket are fixed at the lower end of the suspension bracket 14; two guide rods 15 are horizontally arranged between the left guide rod bracket 2.1 and the right guide rod bracket 2.2 in parallel; the clamping device further comprises two clamping blocks 1, wherein the two clamping blocks 1 are arranged on the two guide rods 15 in a sliding mode, and the two clamping blocks 1 can slide along the length direction of the guide rods 15; the two clamping blocks 1 move close to each other to clamp the lifted heavy object 16.
The two clamping blocks 1 are respectively a left clamping block 1.1 and a right clamping block 1.2 which are symmetrical left and right; the upper end of the left clamping block 1.1 is fixedly provided with two left guide hole seats 3.1, each left guide hole seat 3.1 is provided with a left guide hole 7.1 in a penetrating way, and the two guide rods 15 respectively pass through the two left guide holes 7.1 in a sliding way with the same axle center; two right guide hole seats 3.2 are fixedly arranged at the upper end of the right clamping block 1.2, a right guide hole 7.2 is arranged on each right guide hole seat 3.1 in a penetrating way, and two guide rods 15 respectively pass through the two right guide holes 7.2 in a sliding way with the same axle center.
A gear shaft 18 is also arranged between the two guide rods 15 in parallel, and a transmission gear 17 is integrally arranged on the gear shaft 18 coaxially; the two ends of the gear shaft 18 are integrally connected with a first threaded transmission rod 6.1 and a second threaded transmission rod 6.2 coaxially; the external thread direction of the first threaded transmission rod 6.1 is opposite to that of the second threaded transmission rod 6.2; the upper end of the left clamping block 1.1 is also fixedly connected with a left threaded hole seat 5.1, a through left threaded hole 5.1 is formed in the left threaded hole seat 5.1, and a first threaded transmission rod 6.1 is in threaded transmission fit with the left threaded hole 5.1; the upper end of the right clamping block 1.2 is fixedly connected with a right threaded hole seat 4.2, a through right threaded hole 5.2 is formed in the right threaded hole seat 4.2, and a second threaded transmission rod 6.2 is in threaded transmission fit with the right threaded hole 5.2.
The lower side of the top support 13 is fixedly provided with a motor 11 through a motor support 12, the output end of the motor 11 is connected with an output gear 19 in a transmission way, and the output gear 19 is in transmission meshing with the transmission gear 17.
The side face of the two clamping blocks 1 close to each other is a clamping face 01, and a plurality of first herringbone anti-slip piles 27 are uniformly distributed on the clamping face 01.
A rectangular window 23 is hollowed in the middle of the clamping surface 01 of the clamping block 1, a safety wheel 20 is arranged in the middle of the rectangular window 23, and the axis of the safety wheel 20 is perpendicular to the vertical direction;
the axis of the safety wheel 20 is coaxially provided with an inner hexagonal through hole 38 in a through manner, the safety wheel further comprises a hexagonal shaft 22 with a regular hexagonal cross section and penetrating through the inner hexagonal through hole 38 in a sliding manner, the torque of the safety wheel 20 can be transmitted to the hexagonal shaft 22 through the inner hexagonal through hole 38, and the hexagonal shaft 22 can slide along the axis direction under the constraint of the inner hexagonal through hole 38;
an upper bracket 21 is fixedly connected to the upper brim of the rectangular window 23, and two horizontal upper restraint wheels 28 are rotatably mounted on two sides of the lower end of the upper bracket 21 through two upper wheel brackets 29; the two upper restraint wheels 28 are respectively matched with two side walls of the safety wheel 20 in a rolling way; the lower brim of the rectangular window 23 is fixedly connected with a lower bracket 24, and two horizontal lower restraint wheels 30 are rotatably arranged on two sides of the upper end of the lower bracket 24 through two lower wheel brackets 31; the two lower constraint wheels 30 are respectively matched with two side walls of the safety wheel 20 in a rolling way; under the constraint of the two lower constraint wheels 30 and the two upper constraint wheels 28, the insurance wheel 20 cannot slide along the self axis direction;
the outer ring of the safety wheel 20 is an elastic anti-skid tyre 20.1, and under the condition that a plurality of first herringbone anti-skid piles 27 on the clamping surface 01 are tightly pressed and attached to the side wall 16.1 of the lifted heavy object 16, the safety wheel 20 is in rolling fit with the side wall 16.1 of the lifted heavy object 16 through the elastic anti-skid tyre 20.1;
the sectional structure of fig. 7, 8 and 9 is schematic;
in the present embodiment, the right end of the hexagonal shaft 22 is integrally connected with a threaded rod 39 coaxially, and a threaded hole 40 is horizontally penetrated through the right side of the rectangular window 23; the threaded rod 39 is in threaded transmission fit with the threaded hole 40; the left side of the rectangular window 23 is provided with a blind hole 37 which is coaxial with the hexagonal shaft 22, the bottom end of the blind hole 37 is communicated with a hydraulic column cavity 34 coaxially, a hydraulic piston 35 is arranged in the hydraulic column cavity 34 coaxially in a sliding manner, the hydraulic device further comprises a hydraulic ejector rod 36, and the left end of the hydraulic ejector rod 36 is fixedly connected with the hydraulic piston 35 coaxially; the left end of the hexagonal shaft 22 is integrally provided with a bearing sleeve 46 with the same axis, and the right end of the hydraulic ejector rod 36 is in rotating tight fit connection with the bearing sleeve 46 through a thrust ball bearing 45;
a vertical strip-shaped groove 41 is formed in the clamping surface 01 of the clamping block 1, an anti-slip strip 26 is arranged in the strip-shaped groove 41, a plurality of second herringbone anti-slip piles 25 are fixed on the outer side surface array of the anti-slip strip 26, a plurality of piston channels 42 are vertically arranged at the bottom of the strip-shaped groove 41, a second hydraulic piston 43 is movably arranged in each piston channel 42, and each second hydraulic piston 43 is fixedly connected with the anti-slip strip 26 through a hydraulic push rod 44;
a transition hydraulic cavity 33 is arranged in the clamping block 1, one ends of the plurality of piston channels 42, which are far away from the anti-slip strips 26, are communicated with the transition hydraulic cavity 33, and the transition hydraulic cavity 33 is communicated with the hydraulic column cavity 34 through a liquid guide channel 32; hydraulic oil is filled in the liquid guide channel 32, the hydraulic column cavity 34, the transition hydraulic cavity 33 and the piston channel 42; the hydraulic push rod 44 can push the antislip strip 26 outwards under the action of hydraulic pressure, so that the second herringbone antislip piles 25 on the antislip strip 26 tightly press against the side wall 16.1 of the lifted heavy object 16.
The antiskid construction method of the clamping type hoisting sling of the construction crane and the working principle of the device are as follows:
a clamping process: the output end of the motor 11 drives the transmission gear 17 to rotate through the output gear 19, so that the transmission gear 17 drives the first threaded transmission rod 6.1 and the second threaded transmission rod 6.2 to synchronously rotate in the forward direction, and because the rotation direction of the external thread of the first threaded transmission rod 6.1 is opposite to that of the external thread of the second threaded transmission rod 6.2, the left clamping block 1.1 and the right clamping block 1.2 perform mutual approaching movement with equal speed under the threaded transmission, so that a hoisted heavy object 16 is tightly clamped between the left clamping block 1.1 and the right clamping block 1.2;
the hoisting process: the hoisting rope 8 pulls the gripping type hoisting spreader 100 upwards, so that the gripped hoisted weight 16 is separated from the ground; when the lifted heavy object 16 is stably clamped between the left clamping block 1.1 and the right clamping block 1.2, a plurality of first herringbone anti-skid piles 27 are tightly pressed and attached to the side wall 16.1 of the lifted heavy object 16, and at the moment, the safety wheel 20 is in rolling fit with the side wall 16.1 of the lifted heavy object 16 through the elastic anti-skid tire 20.1; under a normal stable state, the static friction force between the first herringbone anti-slip piles 27 and the side wall 16.1 of the lifted heavy object 16 is enough to overcome the gravity of the lifted heavy object 16, and the lifted heavy object 16 and the two clamping blocks 1 cannot slide relatively, so that the phenomenon of rolling between the safety wheel 20 and the side wall 16.1 of the lifted heavy object 16 cannot occur;
when the hoisted heavy object 16 is clamped and suspended by the clamping type hoisting sling 100, if the hoisting equipment shakes or swings in high wind and high amplitude, the static friction force between the side wall 16.1 of the hoisted heavy object 16 and the first herringbone anti-slip piles 27 can be overcome, so that relative sliding occurs, and at this time, the risk of falling off of the hoisted heavy object 16 occurs;
under the condition that the equipment shakes or greatly swings due to strong wind, when the static friction force between the side wall 16.1 of the lifted heavy object 16 and the first herringbone anti-skidding piles 27 cannot sufficiently overcome the gravity and amplitude inertia of the lifted heavy object 16, the clamped lifted heavy object 16 slides downwards relative to the two clamping blocks 1, and the lifted heavy object 16 slides downwards relative to the two clamping blocks 1 to drive the safety wheel 20 to rotate at a certain angle in the forward direction; the forward rotation of the safety wheel 20 can transmit the rotation torque to the hexagonal shaft 22 through the inner hexagonal through hole 38, the torque transmitted to the hexagonal shaft 22 by the safety wheel 20 can be controlled by controlling the diameter of the safety wheel 20, so that the hexagonal shaft 22 rotates by a certain angle, the rotation of the hexagonal shaft 22 can drive the threaded rod 39 to synchronously rotate in the forward direction, the rotation of the threaded rod 39 can drive the threaded rod 39 to move to one end distance leftwards under the pushing of the threads in the threaded hole 40, and the leftward pushing of the threaded rod 39 can synchronously drive the hexagonal shaft 22, the hydraulic ejector rod 36 and the hydraulic piston 35 to synchronously push leftwards;
the rightward advancement of the hydraulic piston 35 transmits hydraulic pressure to the second hydraulic pistons 43 through the fluid conducting passages 32, then, each second hydraulic piston 43 drives the hydraulic push rod 44 to push the antislip strip 26 outwards, so that the second herringbone antislip piles 25 on the antislip strip 26 tightly press against the side wall 16.1 of the lifted heavy object 16, since the diameter of the safety gear 20 is positively correlated to the torque transmitted to the hexagonal shaft 22, the diameter of the safety gear 20 can be made arbitrarily large in theory, and in theory the second herringbone nonslip piles 25 on the nonslip strips 26 tightly press against the sidewall 16.1 of the hoisted weight 16 can be arbitrarily large, in the implementation process, the friction force generated after the second herringbone anti-skid piles 25 of the anti-skid strips 26 tightly press the side wall 16.1 of the hoisted heavy object 16 is enough to prevent the clamped hoisted heavy object 16 from sliding downwards relative to the two clamping blocks 1; therefore, the clamped lifted heavy object 16 is prevented from sliding downwards relative to the two clamping blocks 1 in time, the safety function is achieved, and the clamped lifted heavy object 16 is prevented from sliding off.
The above is only a preferred embodiment of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (8)
1. Building construction hoist centre gripping type hoist, its characterized in that: the hoisting device comprises a hoisting rope (8), wherein the lower end of the hoisting rope (8) is fixedly connected with a knot (9), and a horizontal clamping type hoisting sling (100) is fixedly connected below the knot (9) in a hanging manner through a plurality of hanging ropes (10); the clamping type hoisting sling (100) can tightly clamp the hoisted heavy object (16).
2. The construction crane clamping type lifting sling according to claim 1, wherein: the clamping type hoisting sling (100) comprises a top support (13), wherein two sides of the top support (13) are symmetrically and fixedly connected with a suspension support (14) extending downwards, and the clamping type hoisting sling further comprises a left guide rod support (2.1) and a right guide rod support (2.2) which are fixed at the lower end of the suspension support (14); two guide rods (15) are horizontally arranged between the left guide rod bracket (2.1) and the right guide rod bracket (2.2) in parallel; the clamping device is characterized by further comprising two clamping blocks (1), wherein the two clamping blocks (1) are arranged on the two guide rods (15) in a sliding mode, and the two clamping blocks (1) can slide along the length direction of the guide rods (15); the two clamping blocks (1) move close to each other to clamp the lifted heavy object (16).
3. The construction crane clamping type lifting sling according to claim 2, wherein: the two clamping blocks (1) are respectively a left clamping block (1.1) and a right clamping block (1.2) which are symmetrical left and right; the upper end of the left clamping block (1.1) is fixedly provided with two left guide hole seats (3.1), each left guide hole seat (3.1) is provided with a left guide hole (7.1) in a penetrating way, and the two guide rods (15) respectively pass through the two left guide holes (7.1) in a sliding way with the same axle center; two right guide hole seats (3.2) are fixedly arranged at the upper end of the right clamping block (1.2), a right guide hole (7.2) is arranged on each right guide hole seat (3.1) in a penetrating way, and the two guide rods (15) respectively pass through the two right guide holes (7.2) in a sliding way with the same axle center.
4. The construction crane clamping type lifting sling according to claim 3, wherein: a gear shaft (18) is arranged between the two guide rods (15) in parallel, and a transmission gear (17) is integrally arranged on the gear shaft (18) coaxially; the two ends of the gear shaft (18) are coaxially and integrally connected with a first threaded transmission rod (6.1) and a second threaded transmission rod (6.2); the external thread turning direction of the first threaded transmission rod (6.1) is opposite to that of the second threaded transmission rod (6.2); the upper end of the left clamping block (1.1) is also fixedly connected with a left threaded hole seat (5.1), a through left threaded hole (5.1) is formed in the left threaded hole seat (5.1), and the first threaded transmission rod (6.1) is in threaded transmission fit with the left threaded hole (5.1); the upper end of the right clamping block (1.2) is fixedly connected with a right threaded hole seat (4.2), a through right threaded hole (5.2) is formed in the right threaded hole seat (4.2), and the second threaded transmission rod (6.2) is in threaded transmission fit with the right threaded hole (5.2).
5. The construction crane clamping type lifting sling according to claim 4, wherein: the lower side of the top support (13) is fixedly provided with a motor (11) through a motor support (12), the output end of the motor (11) is in transmission connection with an output gear (19), and the output gear (19) is in transmission engagement with the transmission gear (17).
6. The construction crane clamping type lifting sling according to claim 5, wherein: one side surface of each of the two clamping blocks (1) close to each other is a clamping surface (01), and a plurality of first herringbone anti-slip piles (27) are uniformly distributed on the clamping surface (01).
7. The construction crane clamping type lifting sling according to claim 6, wherein: a rectangular window (23) is arranged in the middle of a clamping surface (01) of the clamping block (1) in a hollow mode, a safety wheel (20) is arranged in the middle of the rectangular window (23), and the axis of the safety wheel (20) is perpendicular to the vertical direction;
the safety wheel comprises a safety wheel (20), an inner hexagonal through hole (38) and a hexagonal shaft (22), wherein the inner hexagonal through hole (38) is coaxially arranged at the axis of the safety wheel (20) in a through mode, the hexagonal shaft (22) penetrates through the inner hexagonal through hole (38) in a sliding mode and is in a regular hexagon shape in cross section, the torque of the safety wheel (20) can be transmitted to the hexagonal shaft (22) through the inner hexagonal through hole (38), and the hexagonal shaft (22) can slide along the axis direction under the constraint of the inner hexagonal through hole (38);
an upper bracket (21) is fixedly connected with the upper brim of the rectangular window (23), and two horizontal upper restraint wheels (28) are rotatably arranged on two sides of the lower end of the upper bracket (21) through two upper wheel brackets (29); the two upper restraint wheels (28) are respectively matched with two side walls of the safety wheel (20) in a rolling way; a lower bracket (24) is fixedly connected with the lower brim of the rectangular window (23), and two horizontal lower restraint wheels (30) are rotatably mounted on two sides of the upper end of the lower bracket (24) through two lower wheel brackets (31); the two lower restraint wheels (30) are respectively matched with the two side walls of the safety wheel (20) in a rolling way; the safety wheel (20) cannot slide along the direction of the axis thereof under the restraint of the two lower restraint wheels (30) and the two upper restraint wheels (28);
the outer ring of the safety wheel (20) is an elastic anti-skid tire (20.1), under the condition that a plurality of first herringbone anti-skid piles (27) on the clamping surface (01) are tightly pressed and attached to the side wall (16.1) of the lifted heavy object (16), the safety wheel (20) is in rolling fit with the side wall (16.1) of the lifted heavy object (16) through the elastic anti-skid tire (20.1);
the right end of the hexagonal shaft (22) is coaxially and integrally connected with a threaded rod (39), and a threaded hole (40) is horizontally penetrated through the right side of the rectangular window (23); the threaded rod (39) is in threaded transmission fit with the threaded hole (40);
a blind hole (37) coaxial with the hexagonal shaft (22) is formed in the left side of the rectangular window (23), the bottom end of the blind hole (37) is communicated with a hydraulic column cavity (34) coaxially, a hydraulic piston (35) is arranged in the hydraulic column cavity (34) coaxially in a sliding mode, the hydraulic device further comprises a hydraulic ejector rod (36), and the left end of the hydraulic ejector rod (36) is fixedly connected with the hydraulic piston (35) coaxially; the left end of the hexagonal shaft (22) is coaxially and integrally provided with a bearing sleeve (46), and the right end of the hydraulic ejector rod (36) is in rotating tight fit connection with the bearing sleeve (46) through a thrust ball bearing (45);
a vertical strip-shaped groove (41) is formed in a clamping surface (01) of the clamping block (1), an anti-slip strip (26) is arranged in the strip-shaped groove (41), a plurality of second herringbone anti-slip piles (25) are fixed on the outer side surface array of the anti-slip strip (26), a plurality of piston channels (42) are vertically arranged at the bottom of the strip-shaped groove (41), a second hydraulic piston (43) is movably arranged in each piston channel (42), and each second hydraulic piston (43) is fixedly connected with the anti-slip strip (26) through a hydraulic push rod (44);
a transition hydraulic cavity (33) is arranged in the clamping block (1), one ends of the piston channels (42) far away from the anti-slip strips (26) are communicated with the transition hydraulic cavity (33), and the transition hydraulic cavity (33) is communicated with the hydraulic column cavity (34) through a liquid guide channel (32); hydraulic oil is filled in the liquid guide channel (32), the hydraulic column cavity (34), the transition hydraulic cavity (33) and the piston channel (42); the hydraulic push rod (44) can push the anti-skid strip (26) outwards under the action of hydraulic pressure, so that a plurality of second herringbone anti-skid piles (25) on the anti-skid strip (26) tightly press the side wall (16.1) of the lifted heavy object (16).
8. The anti-slip construction method of the clamping type lifting sling of the construction crane according to claim 7, wherein:
a clamping process: the output end of the motor (11) drives the transmission gear (17) to rotate through the output gear (19), so that the transmission gear (17) drives the first threaded transmission rod (6.1) and the second threaded transmission rod (6.2) to synchronously rotate in the forward direction, and as the rotating direction of the external thread of the first threaded transmission rod (6.1) is opposite to that of the external thread of the second threaded transmission rod (6.2), the left clamping block (1.1) and the right clamping block (1.2) move close to each other at equal speeds under the threaded transmission, so that a hoisted heavy object (16) is tightly clamped between the left clamping block (1.1) and the right clamping block (1.2);
the hoisting process: the hoisting rope (8) pulls the clamping type hoisting sling (100) upwards, so that the clamped hoisted heavy object (16) is separated from the ground; when the lifted heavy object (16) is stably clamped between the left clamping block (1.1) and the right clamping block (1.2), a plurality of first herringbone anti-skidding piles (27) are tightly pressed and attached to the side wall (16.1) of the lifted heavy object (16), and the safety wheel (20) is in rolling fit with the side wall (16.1) of the lifted heavy object (16) through the elastic anti-skidding tire (20.1); under a normal stable state, the static friction force between the first herringbone anti-skidding piles (27) and the side wall (16.1) of the lifted heavy object (16) is enough to overcome the gravity of the lifted heavy object (16), and the lifted heavy object (16) and the two clamping blocks (1) cannot slide relatively, so that the rolling phenomenon cannot occur between the safety wheel (20) and the side wall (16.1) of the lifted heavy object (16);
when the hoisted heavy object (16) is clamped and suspended by the clamping type hoisting sling (100), if the hoisted heavy object shakes due to the shaking of hoisting equipment or swings in high amplitude due to strong wind, the static friction force between the side wall (16.1) of the hoisted heavy object (16) and the first herringbone anti-skidding piles (27) can be overcome, so that relative sliding occurs, and the risk that the hoisted heavy object (16) falls off can occur;
under the condition that equipment shakes or swings greatly due to strong wind, when static friction force between the side wall (16.1) of the lifted heavy object (16) and the first herringbone anti-skidding piles (27) cannot sufficiently overcome the gravity and amplitude inertia of the lifted heavy object (16), the clamped lifted heavy object (16) slides downwards relative to the two clamping blocks (1), and the lifted heavy object (16) slides downwards relative to the two clamping blocks (1) to drive the safety wheel (20) to rotate at a certain angle in the forward direction; the forward rotation of the safety wheel (20) can transmit the rotation torque to the hexagonal shaft (22) through the inner hexagonal through hole (38), the torque transmitted to the hexagonal shaft (22) by the safety wheel (20) can be controlled by controlling the diameter of the safety wheel (20), so that the hexagonal shaft (22) rotates by a certain angle, the rotation of the hexagonal shaft (22) can drive the synchronous forward rotation of the threaded rod (39), the rotation of the threaded rod (39) can drive the threaded rod (39) to move leftwards by one distance under the pushing of the threads in the threaded hole (40), and the leftward pushing of the threaded rod (39) can simultaneously drive the hexagonal shaft (22), the hydraulic ejector rod (36) and the hydraulic piston (35) to synchronously push leftwards;
the hydraulic piston (35) is pushed rightwards, hydraulic pressure is transmitted to the second hydraulic pistons (43) through the liquid guide channel (32), then each second hydraulic piston (43) drives the hydraulic push rod (44) to push the anti-skid strip (26) outwards, so that the second herringbone anti-skid piles (25) on the anti-skid strip (26) tightly press the side wall (16.1) of the lifted heavy object (16), the pressing force of the second herringbone anti-skid piles (25) on the anti-skid strip (26) tightly pressing the side wall (16.1) of the lifted heavy object (16) can be arbitrarily large theoretically because the diameter of the safety wheel (20) is positively correlated with the torque transmitted to the hexagonal shaft (22), and the diameter of the safety wheel (20) can be arbitrarily large theoretically, so that the friction force generated after the second herringbone anti-skid piles (25) on the anti-skid strip (26) tightly pressing the side wall (16.1) of the lifted heavy object (16) can be enough to prevent the lifted heavy object (16) from being clamped Slide downwards relative to the two clamping blocks (1); therefore, the clamped lifted heavy object (16) is prevented from sliding downwards relative to the two clamping blocks (1) in time, the safety function is achieved, and the clamped lifted heavy object (16) is prevented from sliding off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010330084.0A CN111453609A (en) | 2020-04-24 | 2020-04-24 | Clamping type hoisting sling of building construction crane and hoisting construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010330084.0A CN111453609A (en) | 2020-04-24 | 2020-04-24 | Clamping type hoisting sling of building construction crane and hoisting construction method |
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| CN111453609A true CN111453609A (en) | 2020-07-28 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824944A (en) * | 2020-08-01 | 2020-10-27 | 刘兵 | Hoisting mechanism with fine adjustment function for construction engineering |
| CN112265902A (en) * | 2020-10-22 | 2021-01-26 | 青岛农业大学 | Corrosion detection device with anti-seismic lifting appliance for nuclear power steel structure |
| CN112978558A (en) * | 2021-02-09 | 2021-06-18 | 台州学院 | Building board lifting and fixing device |
| CN113562594A (en) * | 2021-07-29 | 2021-10-29 | 江苏正申索具有限公司 | Crane rigging suitable for weights of different shapes |
| CN114132829A (en) * | 2021-12-03 | 2022-03-04 | 昆山东岸海洋工程有限公司 | Hoisting rigging for hoisting |
| CN116495613A (en) * | 2023-06-26 | 2023-07-28 | 河南省科宇矿山起重机械有限公司 | Hoist for mine hoisting accessory |
| CN116902780A (en) * | 2023-09-06 | 2023-10-20 | 浙江省工业设备安装集团有限公司 | Pipeline hoisting device for petrochemical construction |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201367302Y (en) * | 2009-03-12 | 2009-12-23 | 高进贤 | Electric turnover clamp |
| CN206494647U (en) * | 2017-03-01 | 2017-09-15 | 天津永达科技有限公司 | Be used for charcoal electrode hoist and mount hoist |
| CN110407098A (en) * | 2019-08-12 | 2019-11-05 | 唐云 | The assembly device of assembled architecture and the rigging position method for trimming of building element |
-
2020
- 2020-04-24 CN CN202010330084.0A patent/CN111453609A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201367302Y (en) * | 2009-03-12 | 2009-12-23 | 高进贤 | Electric turnover clamp |
| CN206494647U (en) * | 2017-03-01 | 2017-09-15 | 天津永达科技有限公司 | Be used for charcoal electrode hoist and mount hoist |
| CN110407098A (en) * | 2019-08-12 | 2019-11-05 | 唐云 | The assembly device of assembled architecture and the rigging position method for trimming of building element |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824944A (en) * | 2020-08-01 | 2020-10-27 | 刘兵 | Hoisting mechanism with fine adjustment function for construction engineering |
| CN112265902A (en) * | 2020-10-22 | 2021-01-26 | 青岛农业大学 | Corrosion detection device with anti-seismic lifting appliance for nuclear power steel structure |
| CN112978558A (en) * | 2021-02-09 | 2021-06-18 | 台州学院 | Building board lifting and fixing device |
| CN113562594A (en) * | 2021-07-29 | 2021-10-29 | 江苏正申索具有限公司 | Crane rigging suitable for weights of different shapes |
| CN113562594B (en) * | 2021-07-29 | 2022-05-03 | 江苏正申索具有限公司 | Crane rigging suitable for weights of different shapes |
| CN114132829A (en) * | 2021-12-03 | 2022-03-04 | 昆山东岸海洋工程有限公司 | Hoisting rigging for hoisting |
| CN114132829B (en) * | 2021-12-03 | 2024-04-16 | 昆山东岸海洋工程有限公司 | Sling for lifting |
| CN116495613A (en) * | 2023-06-26 | 2023-07-28 | 河南省科宇矿山起重机械有限公司 | Hoist for mine hoisting accessory |
| CN116495613B (en) * | 2023-06-26 | 2023-09-05 | 河南省科宇矿山起重机械有限公司 | Hoist for mine hoisting accessory |
| CN116902780A (en) * | 2023-09-06 | 2023-10-20 | 浙江省工业设备安装集团有限公司 | Pipeline hoisting device for petrochemical construction |
| CN116902780B (en) * | 2023-09-06 | 2023-12-19 | 浙江省工业设备安装集团有限公司 | Pipeline hoisting device for petrochemical construction |
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