CN209758971U - Lifting anti-falling device for building construction - Google Patents

Lifting anti-falling device for building construction Download PDF

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Publication number
CN209758971U
CN209758971U CN201920365259.4U CN201920365259U CN209758971U CN 209758971 U CN209758971 U CN 209758971U CN 201920365259 U CN201920365259 U CN 201920365259U CN 209758971 U CN209758971 U CN 209758971U
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China
Prior art keywords
lifting
frame
falling
lifting frame
steel wire
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CN201920365259.4U
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Chinese (zh)
Inventor
吴波
刘德会
伍江龙
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China Construction Second Engineering Bureau Co Ltd
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China Construction Second Engineering Bureau Co Ltd
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Priority to CN201920365259.4U priority Critical patent/CN209758971U/en
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Abstract

The utility model discloses a lifting anti-falling device for building construction, which comprises a lifting system and an anti-falling system, wherein the lifting system comprises a fixed frame, and the fixed frame comprises a cross frame and two vertical frames; the two vertical frames are parallel to each other and are fixedly connected with the transverse frame respectively, a lifting frame is arranged between the two vertical frames, two ends of the lifting frame are respectively connected with the two vertical frames in a sliding manner, a rope winding mechanism is fixed on the transverse frame, two groups of cables are wound on the rope winding mechanism, and the free end of each cable is connected with one end of the lifting frame; the anti-falling system comprises an eccentric wheel, an adjustable connecting rod and a steel wire rope traction rod; one end of the adjustable connecting rod is hinged with the lifting frame through an eccentric wheel, the other end of the adjustable connecting rod is connected with the steel wire rope traction rod through a bolt and is hinged with the lifting frame through the steel wire rope traction rod, a torsion spring is arranged at the hinged position of the steel wire rope traction rod and the lifting frame, and the steel wire rope is fixedly connected with the steel wire rope traction rod. This device simple to operate and stability and security are high, both can make things convenient for personnel to carry out the operation, but also can fully guarantee personnel's safety simultaneously.

Description

Lifting anti-falling device for building construction
Technical Field
The utility model relates to a construction field, especially a construction lift anti-falling device.
Background
Since the 90 s, the building structure system in China has been greatly developed, the construction of building engineering is more and more along with the social progress, in the building construction, the building engineering with less than 10 floors is the most construction engineering, and the material transportation of the engineering mainly depends on the steel wire rope type construction elevator. Having had construction elevator people and can having carried out work more high-efficiently, for example transport work etc. however, because current elevator for construction adopts a set of elevating platform support frame to support operation platform usually, in the lift process, only a set of elevating support frame makes operation platform produce easily and rocks, and stability is lower, and the supporting effect is poor, has the potential safety hazard of falling. At present, the anti-falling measures adopted in many places are to improve the safety system by increasing the diameter of a steel wire rope, the method increases the cost, simultaneously puts higher requirements on equipment, increases the complexity of the equipment, has poor universality and reliability, and cannot well meet the requirements on safety.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model provides a building construction lift anti-falling device can place the device on the ground or place the removal carrier through the mount, and then improves this elevating gear installation effectiveness, can suitably adjust the distance and the braking time of shortening the braking through the length of adjustable link, simple structure, the braking rapidly and steadily can promote the security greatly.
The utility model adopts the technical proposal that:
A lifting anti-falling device for building construction comprises a lifting system and an anti-falling system, wherein the lifting system comprises a fixed frame, and the fixed frame comprises a transverse frame and two vertical frames; the two vertical frames are parallel to each other and are fixedly connected with the transverse frame respectively, a lifting frame is arranged between the two vertical frames, two ends of the lifting frame are connected with the two vertical frames in a sliding mode respectively, a rope winding mechanism is fixed on the transverse frame below the lifting frame, two groups of cables are wound on the rope winding mechanism, the free end of each cable crosses the top end of one vertical frame and is connected with one end of the lifting frame, and when the rope winding mechanism synchronously winds and unwinds the two groups of cables, the lifting frame is lifted along the length direction of the vertical frames; the anti-falling system comprises an eccentric wheel, an adjustable connecting rod and a steel wire rope traction rod; one end of the adjustable connecting rod is hinged with the lifting frame through an eccentric wheel; the other end of the adjustable connecting rod is fixedly connected with the steel wire rope traction rod through a bolt and is hinged with the lifting frame through the steel wire rope traction rod, a torsion spring is arranged at the hinged position of the steel wire rope traction rod and the lifting frame, and a steel wire rope is fixedly connected to the steel wire rope traction rod.
Preferably, the rope winding mechanism comprises a two-way motor, a rotary table and a rotary shaft, the two-way motor is connected with the rotary table through the rotary shaft, the rotary table comprises a left rotary table and a right rotary table which are axially overlapped, and the left rotary table and the right rotary table synchronously rotate and respectively receive and release a group of the mooring ropes.
preferably, the free end of the cable sequentially passes through the middle part of the transverse frame, the end part of the transverse frame, the outer side of the vertical frame and the top end of the vertical frame and then is connected with the lifting frame, and guide wheels are arranged at the bent positions of the cable.
Preferably, the tip of crane is equipped with the slider, the slider stretches into in the spout and with spout sliding connection, the both sides of spout are equipped with a plurality of through-holes, be equipped with corresponding pinhole on the slider, when the crane removes to the assigned position, insert through the round pin axle the through-hole with the pinhole is in order to fix the crane.
Preferably, the two sides of the lifting frame are provided with guardrails, and the two ends of the upper side of each guardrail are respectively provided with a connecting block for connecting a cable.
Preferably, be equipped with the safety net under the crane, the safety net is including preventing weighing down the net and embedding the couple that prevents weighing down the net four corners, just prevent weighing down the size of net and be greater than the size of crane, the couple with two erect the frame and connect.
Preferably, prevent weighing down the outer wall bolt fixedly connected with rubber layer of net, the inner wall winding of preventing weighing down the net is provided with the nylon fibre layer, the inside winding on nylon fibre layer is provided with the pure cotton layer, and the pure cotton layer closely laminates in the inner wall on nylon fibre layer, the couple has the skid resistant course near welding respectively on the relative both sides face of preventing weighing down net one end, the both ends of skid resistant course are equipped with fixed recess respectively, every fixed recess in the embedding have a fixing bolt who stretches out fixed recess, the welding has the fixed plate between two fixing bolt of homonymy.
The utility model has the advantages that:
1. through two vertical supports on the mount support crane, stability when can effectual increase goes up and down prevents the occurence of failure that leads to because of the unstability when going up and down, the effectual security that has improved has guaranteed constructor's safety.
2. The device can be placed on the ground or on a mobile carrier through the fixing frame, and the installation efficiency of the lifting device is further improved.
3. The structure realizes synchronous retraction and release actions of the mooring ropes through the design of the two groups of mooring ropes, thereby improving the synchronism.
4. This crane can be used to personnel and stand, compares in traditional mode of hanging in midair, and the mode of standing is the control of personnel's self position and direction more easily, provides convenience for the operation of operation personnel.
5. The length through adjustable link can suitably adjust the distance and the braking time of shortening the braking, simple structure, and the braking is rapid and steady, can promote the security greatly.
6. The safety net is arranged, so that the safety of personnel can be effectively protected when an accident happens.
Drawings
Fig. 1 is a schematic structural view of a lifting system according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an anti-falling system according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a safety net according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
Fig. 5 is an enlarged view of the structure at B in fig. 3.
Reference numerals: 1. a fixed mount; 2. a lifting frame; 3. a cable; 4. a motor; 5. a turntable; 51. a left turn plate; 52. a right rotary table; 6. a slider; 7. a chute; 8. a pin shaft; 9. connecting blocks; 10. a guide wheel; 11. an eccentric wheel; 12. an adjustable connecting rod; 13. a wire rope; 14. a steel wire rope draw bar; 15. a torsion spring; 16. a guide rail; 17. the anti-falling net; 171. a rubber layer; 172. a nylon fiber layer; 173. a layer of pure cotton; 18. hooking; 181. fixing the bolt; 182. a fixing plate; 183. fixing the groove; 184. and an anti-slip layer.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Examples
as shown in fig. 1 and 2, the lifting anti-falling device for building construction comprises a lifting system and an anti-falling system, wherein the lifting system comprises a fixed frame 1, and the fixed frame 1 comprises a transverse frame and two vertical frames; the two vertical frames are parallel to each other and are fixedly connected with the transverse frame respectively, a lifting frame 2 is arranged between the two vertical frames, two ends of the lifting frame 2 are connected with the two vertical frames in a sliding mode respectively, a rope winding mechanism is fixed on the transverse frame below the lifting frame 2, two groups of mooring ropes 3 are wound on the rope winding mechanism, the free end of each mooring rope 3 respectively crosses the top end of one vertical frame and is connected with one end of the lifting frame 2, and when the rope winding mechanism synchronously winds and unwinds the two groups of mooring ropes 3, the lifting frame 2 lifts along the length direction of the vertical frames; the anti-falling system comprises an eccentric wheel 11, an adjustable connecting rod 12 and a steel wire rope 13 traction rod; one end of the adjustable connecting rod 12 is hinged with the lifting frame 2 through an eccentric wheel 11; the other end of the adjustable connecting rod 12 is fixedly connected with the steel wire rope 13 draw bar through a bolt, the steel wire rope 13 draw bar is hinged with the lifting frame 2, a torsion spring 15 is arranged at the hinged position of the steel wire rope 13 draw bar and the lifting frame 2, and the steel wire rope 13 is fixedly connected to the steel wire rope 13 draw bar.
An included angle theta between the steel wire rope traction rod 14 and the vertical direction is 45 degrees under the action of the adjustable connecting rod 12 and the torsion spring 15, the torsion spring 15 is in a torsion stretching state, when the steel wire rope 13 is broken, the steel wire rope traction rod 14 rotates anticlockwise under the action of the torsion spring 15, the eccentric wheel 11 also rapidly rotates anticlockwise through the adjustable connecting rod 12 until the rim of the eccentric wheel 11 is contacted with the guide rail 16, the anti-falling system starts to brake, and the lifting frame 2 is controlled to stop falling. After the steel wire rope 13 is repaired, the steel wire rope traction rod 14 compresses the torsion spring 15 under the action of tension, the eccentric wheel 11 rotates back under the action of the adjustable connecting rod 12, the flange of the eccentric wheel 11 is separated from contact with the guide rail 16, and the lifting system returns to normal operation.
In one embodiment, the rope winding mechanism includes a bidirectional motor 4, a rotary disc 5 and a rotary shaft, the bidirectional motor 4 is connected with the rotary disc 5 through the rotary shaft, the rotary disc 5 includes a left rotary disc 51 and a right rotary disc 52 which are axially overlapped, and the left rotary disc 51 and the right rotary disc 52 synchronously rotate and respectively receive and release a set of the ropes 3. Utilize the drive carousel 5 of two-way motor 4 to realize the lift of crane 2 through hawser 3, the hawser 3 of the left and right sides twines respectively on left turn dish 51 and right turn dish 52, utilizes leading wheel 10 to realize that hawser 3 is to crane 2's control.
In one embodiment, the free end of the cable 3 passes through the middle part of the cross frame, the end part of the cross frame, the outer side of the vertical frame and the top end of the vertical frame in sequence and then is connected with the lifting frame 2, and guide wheels 10 are arranged at the bending positions of the cable 3. In one embodiment, the tip of crane 2 is equipped with slider 6, slider 6 stretches into in the spout 7 and with spout 7 sliding connection, the both sides of spout 7 are equipped with a plurality of through-holes, be equipped with corresponding pinhole on the slider 6, when crane 2 moves to the assigned position, through round pin axle 8 with slider 6 be fixed in spout 7 on, fix crane 2 on spout 7 simultaneously, can improve elevating gear's steadiness, when crane 2 needs descend, demolish round pin axle 8, two-way motor 4 control crane 2 descends simultaneously.
In one embodiment, the lifting frame 2 is provided with guardrails on two sides, and the two ends of the upper side of each guardrail are respectively provided with a connecting block 9 for connecting a cable.
In one embodiment, a safety net is arranged under the lifting frame 2, the safety net comprises an anti-falling net 17 and hooks 18 embedded into four corners of the anti-falling net 17, the size of the anti-falling net 17 is larger than that of the lifting frame 2, and the hooks 18 are connected with the two vertical frames. The width of the vertical frames is larger than that of the lifting frame 2, the two vertical frames are provided with hanging buckles matched with the hooks 18, and when a falling accident happens, the safety net can protect the safety of personnel.
In one of them embodiment, prevent weighing down the outer wall bolt fixedly connected with rubber layer 171 of net 17, the inner wall winding of preventing weighing down net 17 is provided with nylon fiber layer 172, the inside winding of nylon fiber layer 172 is provided with pure cotton layer 173, and pure cotton layer 173 closely laminates in the inner wall of nylon fiber layer 172, couple 18 has welded skid resistant course 184 respectively on being close to the relative both sides face of preventing weighing down net 17 one end, the both ends of skid resistant course 184 are equipped with fixed recess 183 respectively, every fixed recess 183 in embedded have one stretch out fixed bolt 181 of fixed recess 183, the welding has fixed plate 182 between two fixed bolt 181 of homonymy.
The elasticity and the flexibility of the rubber layer 171 can prevent people from being easily injured when falling on the rubber layer, the vibration and the strength generated by falling are reduced, the toughness of the nylon fiber layer 172 can prevent the falling prevention net 17 from breaking, the pure cotton layer 173 and the nylon fiber layer 172 are wound to improve the toughness and the bearing capacity, the safety of the falling prevention net 17 is improved, the fixing bolt 181 is arranged on the hook 18 and moves downwards to the fixing groove 183 through the fixing bolt 181, then the fixing bolt 181 moves downwards to drive the fixing plate 182 to move downwards, the connection part of the falling prevention net 17 and the hook 18 can be fixed through the downward movement of the fixing plate 182, meanwhile, the anti-slip layer 184 can increase the friction force of the falling prevention net 17 connected to the hook 18, so that the falling prevention net cannot easily fall off, and the falling prevention net is more stable.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims (7)

1. a lifting anti-falling device for building construction is characterized by comprising a lifting system and an anti-falling system, wherein the lifting system comprises a fixed frame, and the fixed frame comprises a transverse frame and two vertical frames; the two vertical frames are parallel to each other and are fixedly connected with the transverse frame respectively, a lifting frame is arranged between the two vertical frames, two ends of the lifting frame are connected with the two vertical frames in a sliding mode respectively, a rope winding mechanism is fixed on the transverse frame below the lifting frame, two groups of cables are wound on the rope winding mechanism, the free end of each cable crosses the top end of one vertical frame and is connected with one end of the lifting frame, and when the rope winding mechanism synchronously winds and unwinds the two groups of cables, the lifting frame is lifted along the length direction of the vertical frames; the anti-falling system comprises an eccentric wheel, an adjustable connecting rod and a steel wire rope traction rod; one end of the adjustable connecting rod is hinged with the lifting frame through an eccentric wheel; the other end of the adjustable connecting rod is fixedly connected with the steel wire rope traction rod through a bolt and is hinged with the lifting frame through the steel wire rope traction rod, a torsion spring is arranged at the hinged position of the steel wire rope traction rod and the lifting frame, and a steel wire rope is fixedly connected to the steel wire rope traction rod.
2. The building construction lifting anti-falling device according to claim 1, wherein the rope winding mechanism comprises a bidirectional motor, a rotary disc and a rotary shaft, the bidirectional motor is connected with the rotary disc through the rotary shaft, the rotary disc comprises a left rotary disc and a right rotary disc which are axially overlapped, and the left rotary disc and the right rotary disc synchronously rotate and respectively receive and release a group of the cables.
3. The lifting anti-falling device for building construction according to claim 1, wherein the free end of the cable sequentially passes through the middle part of the transverse frame, the end part of the transverse frame, the outer side of the vertical frame and the top end of the vertical frame and then is connected with the lifting frame, and guide wheels are arranged at the bending positions of the cable.
4. The lifting and falling prevention device for building construction according to claim 1, wherein a sliding block is arranged at the end of the lifting frame, the sliding block extends into the sliding groove and is connected with the sliding groove in a sliding manner, a plurality of through holes are arranged at two sides of the sliding groove, corresponding pin holes are arranged on the sliding block, and when the lifting frame moves to a specified position, the lifting frame is inserted into the through holes and the pin holes through pin shafts so as to fix the lifting frame.
5. The building construction lifting anti-falling device is characterized in that guardrails are arranged on two sides of the lifting frame, and connecting blocks for connecting cables are respectively arranged at two ends of the upper side of each guardrail.
6. The building construction lifting anti-falling device is characterized in that a safety net is arranged under the lifting frame, the safety net comprises an anti-falling net and hooks embedded into four corners of the anti-falling net, the size of the anti-falling net is larger than that of the lifting frame, and the hooks are connected with the two vertical frames.
7. The lifting anti-falling device for building construction according to claim 6, wherein the outer wall of the anti-falling net is fixedly connected with a rubber layer through bolts, the inner wall of the anti-falling net is wound with a nylon fiber layer, the inner part of the nylon fiber layer is wound with a pure cotton layer, the pure cotton layer is tightly attached to the inner wall of the nylon fiber layer, the anti-falling layers are respectively welded on the two opposite side surfaces of the hook close to one end of the anti-falling net, the two ends of the anti-falling layers are respectively provided with a fixing groove, each fixing groove is embedded with a fixing bolt extending out of the fixing groove, and a fixing plate is welded between the two fixing bolts on the same side.
CN201920365259.4U 2019-03-21 2019-03-21 Lifting anti-falling device for building construction Active CN209758971U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920365259.4U CN209758971U (en) 2019-03-21 2019-03-21 Lifting anti-falling device for building construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920365259.4U CN209758971U (en) 2019-03-21 2019-03-21 Lifting anti-falling device for building construction

Publications (1)

Publication Number Publication Date
CN209758971U true CN209758971U (en) 2019-12-10

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Application Number Title Priority Date Filing Date
CN201920365259.4U Active CN209758971U (en) 2019-03-21 2019-03-21 Lifting anti-falling device for building construction

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112091679A (en) * 2020-10-10 2020-12-18 浙江德易精密机械有限公司 Fixing device for machining end cover of motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112091679A (en) * 2020-10-10 2020-12-18 浙江德易精密机械有限公司 Fixing device for machining end cover of motor

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