CN108358016B - Safe elevator is used in construction - Google Patents

Safe elevator is used in construction Download PDF

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Publication number
CN108358016B
CN108358016B CN201810311908.2A CN201810311908A CN108358016B CN 108358016 B CN108358016 B CN 108358016B CN 201810311908 A CN201810311908 A CN 201810311908A CN 108358016 B CN108358016 B CN 108358016B
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China
Prior art keywords
hole
mounting plate
tank body
mounting
cross arm
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CN201810311908.2A
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Chinese (zh)
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CN108358016A (en
Inventor
高贯伟
孙磊
蔡聪
廖海均
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Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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Priority to CN201810311908.2A priority Critical patent/CN108358016B/en
Publication of CN108358016A publication Critical patent/CN108358016A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

The invention provides a safe elevator for construction, which comprises a tank body, an anti-falling frame, a braking frame, a blocking device, a spring, a bolt and a lifting device, wherein lifting device mounting holes are respectively formed in one end of a lower mounting plate and one end of an upper mounting plate, and the lifting device is mounted on the tank body through the lifting device mounting holes; the anti-falling frame further comprises inner connecting plates which are welded on the inner side of the outer connecting plates and are symmetrically arranged, and the rectangular holes are communicated with the guide grooves; the blocking device comprises a mounting shell and an electromagnet arranged at one end of the mounting shell; the connecting disc for connecting the braking frame is installed at last mounting disc top, and the connecting rod is installed to the cross arm bottom, and the cross arm both ends are installed in the guide way and can follow the guide way and slide. The invention has the advantages of simple structure, sensitive and reliable reaction, large braking force, and can avoid falling of the tank body, further avoid casualties and economic loss, thereby improving the use safety of the elevator.

Description

Safe elevator is used in construction
Technical Field
The invention relates to the field of building construction equipment, in particular to a safety elevator for construction.
Background
The elevator is indispensable equipment in the building construction process, can realize transportation of personnel and materials, and because the elevator runs at high altitude, the operational reliability becomes an important index of the elevator. In the use, the reasons such as overload, not according to rule operation, equipment damage lead to the elevator jar body to fall and cause casualties, consequently, install anti-falling device on the elevator, avoid falling of jar body. The existing elevator is different in lifting modes, such as gear-rack transmission, hydraulic transmission, traction steel wire rope lifting and the like, so that the adopted anti-falling device is different in structure and working principle.
Disclosure of Invention
The invention aims to solve the technical problems that: can avoid the falling of the tank body when the traction steel wire rope of the elevator breaks.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a safe elevator for construction, including a jar body, anti-falling frame, braking frame, blocking device, spring, bolt and hoisting device, the jar body includes lower mounting disc and last mounting disc and is used for connecting the channel-section steel of lower mounting disc and last mounting disc, and lower mounting disc both sides and last mounting disc both sides are equipped with the constant head tank that is used for placing anti-falling frame respectively, be equipped with the clearance between constant head tank and the anti-falling frame, hoisting device mounting hole has been seted up respectively to one end of lower mounting disc and last mounting disc one end, hoisting device installs on the jar body through hoisting device mounting hole; the anti-falling frame comprises a guide rail and outer connecting plates symmetrically riveted on two sides of the guide rail through rivets, the anti-falling frame further comprises inner connecting plates which are welded on the inner sides of the outer connecting plates and symmetrically arranged, guide grooves are formed in the guide rail towards the tank body end, rectangular holes are formed in the guide rail, located between the inner connecting plates, symmetrically arranged, and are communicated with the guide grooves, and positioning mounting holes for mounting blocking devices are formed in the inner connecting plates and the outer connecting plates; the blocking device comprises a mounting shell and an electromagnet arranged at one end of the mounting shell, and also comprises a telescopic rod which is arranged in the mounting shell and is arranged corresponding to the electromagnet; the blocking device is arranged between two symmetrically arranged inner connecting plates, and the bolts penetrate through the positioning mounting holes to be connected with the threaded holes; the connecting disc for connecting the braking frame is installed at last mounting disc top, the connecting hole that is used for installing the connecting rod has been seted up to connecting disc central point put, the braking frame includes connecting rod, stop collar and cross arm, and the connecting rod is installed to the cross arm bottom, and the connecting rod bottom is equipped with the stop collar, spring housing is at connecting rod circumference and set up at the stop collar top, and the cross arm both ends are installed in the guide way and can follow the guide way and slide.
Specifically, the lifting device comprises a traction steel wire rope, a winch and a brake, one end of the traction steel wire rope is connected with the tank body, and the other end of the traction steel wire rope is connected with the winch.
Specifically, install the pressure spring between telescopic link and the electro-magnet, the telescopic link passes through the electro-magnet and removes in to the installation shell, the telescopic link passes through the pressure spring removes outside the installation shell, the telescopic link is installed in the rectangular hole and can extend in the guide slot along the rectangular hole.
Specifically, the connecting hole be located the connection pad top and be the shoulder hole, the connecting hole is located the connection pad bottom and be the taper hole, shoulder hole major diameter end is connected with the taper hole minor diameter end, the stop collar is the toper structure, the toper structure can with the taper hole cooperation is installed, the spring is installed in the shoulder hole to spring free length is greater than the shoulder hole degree of depth.
Specifically, the connecting rod is connected with the cross arm through trapezoidal threads, and the connecting rod is fixed with the cross arm through spot welding.
Specifically, a plurality of groups of blocking devices are arranged on the anti-falling frame, and the distance between the adjacent blocking devices is 1.2m-1.5m.
The invention has the advantages of simple structure, sensitive and reliable response, large braking force, braking action on the elevator when the traction steel wire rope of the elevator breaks, and can avoid falling of the tank body, thereby avoiding casualties and causing economic loss, and improving the use safety of the elevator.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall mounting structure provided by an embodiment of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of a tank body in a three-dimensional structure according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a front view structure of an anti-falling rack according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of the structure of FIG. 4 A-A;
FIG. 6 is a schematic top view of a falling protection rack according to an embodiment of the present invention;
in the figure: 100. the cable comprises a tank body, 110, a lower mounting plate, 111, a positioning groove, 112, a lifting device mounting hole, 120, an upper mounting plate, 130, a connecting plate, 131, a connecting hole, 140, a channel steel, 200, an anti-falling bracket, 210, a guide rail, 211, a rectangular hole, 212, a guide groove, 220, an outer connecting plate, 230, an inner connecting plate, 231, a positioning mounting hole, 240, a rivet, 300, a brake bracket, 310, a connecting rod, 320, a limiting sleeve, 330, 400, a blocking device, 410, an electromagnet, 420, a mounting shell, 421, a threaded hole, 430, a telescopic rod, 500, a spring and 600, and bolts.
Detailed Description
The above-described aspects are further described below in conjunction with specific embodiments. It is to be understood that these examples are illustrative of the invention and are not intended to limit the scope of the invention. The implementation conditions used in the examples may be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are generally those in routine experiments.
Fig. 1 to 6 show a schematic view of an overall installation structure provided by the embodiment of the present invention, fig. 2 shows a schematic view of an exploded structure of fig. 1, fig. 3 shows a schematic view of a tank body perspective structure provided by the embodiment of the present invention, fig. 4 shows a schematic view of a front view structure of a drop preventing rack provided by the embodiment of the present invention, fig. 5 shows a schematic view of a cross-sectional structure of fig. 4 and A-A, and fig. 6 shows a schematic view of a top view structure of a drop preventing rack provided by the embodiment of the present invention.
In a specific embodiment, a safety elevator for construction is provided, which comprises a tank body 100, an anti-falling frame 200, a brake frame 300, a blocking device 400, a spring 500, a bolt 600 and a lifting device, wherein the tank body 100 comprises a lower mounting plate 110, an upper mounting plate 120 and channel steel 140 for connecting the lower mounting plate 110 with the upper mounting plate 120, positioning grooves 111 for placing the anti-falling frame 200 are respectively arranged on two sides of the lower mounting plate 110 and two sides of the upper mounting plate 120, a gap is arranged between the positioning grooves 111 and the anti-falling frame 200, lifting device mounting holes 112 are respectively formed in one end of the lower mounting plate 110 and one end of the upper mounting plate 120, and the lifting device is mounted on the tank body 100 through the lifting device mounting holes 112; the anti-falling frame 200 comprises a guide rail 210 and outer connecting plates 220 symmetrically riveted on two sides of the guide rail 210 through rivets 240, the anti-falling frame 200 further comprises inner connecting plates 230 welded on the inner side of the outer connecting plates 220 and symmetrically arranged, the guide rail 210 is provided with guide grooves 212 towards the end of the tank body 100, the guide rail 210 is provided with rectangular holes 211 between the symmetrically arranged inner connecting plates 230, the rectangular holes 211 are communicated with the guide grooves 212, and the inner connecting plates 230 and the outer connecting plates 220 are provided with positioning mounting holes 231 for mounting the blocking device 400; the blocking device 400 includes a mounting case 420 and an electromagnet 410 mounted at one end of the mounting case 420, and the blocking device 400 further includes a telescopic rod 430 mounted in the mounting case 420 and disposed corresponding to the electromagnet 410; the blocking device 400 is installed between two symmetrically arranged inner connection plates 230, and the bolt 600 passes through the positioning installation hole 231 to be connected with the threaded hole 421; the connecting disc 130 for connecting the brake frame 300 is installed at the top of the upper mounting disc 120, a connecting hole 131 for installing the connecting rod 310 is formed in the center of the connecting disc 130, the brake frame 300 comprises a connecting rod 310, a limiting sleeve 320 and a cross arm 330, the connecting rod 310 is installed at the bottom of the cross arm 330, the limiting sleeve 320 is arranged at the bottom end of the connecting rod 310, the spring 500 is sleeved on the circumference of the connecting rod 310 and is arranged at the top of the limiting sleeve 320, and two ends of the cross arm 330 are installed in the guide groove 212 and can slide along the guide groove 212.
Preferably, the lifting device comprises a traction wire rope, a winch and a brake, wherein one end of the traction wire rope is connected with the tank 100, and the other end of the traction wire rope is connected with the winch.
As a preferred option, a compression spring is installed between the telescopic rod 430 and the electromagnet 410, the telescopic rod 430 moves towards the inside of the installation shell 420 through the electromagnet 410, the telescopic rod 430 moves towards the outside of the installation shell 420 through the compression spring, the telescopic rod 430 is installed in the rectangular hole 211 and can extend towards the inside of the guide groove 212 along the rectangular hole 211, when the traction steel wire rope breaks, the tank body 100 and the brake bracket 300 installed at the top of the tank body can fall down simultaneously, meanwhile, the electromagnet 410 is powered off, the telescopic rod 430 rapidly pops out towards the outside of the installation shell 420 through the compression spring, and one end of the telescopic rod 430 is placed in the guide groove 212, and the cross arm 330 is blocked by the telescopic rod 430 when sliding downwards along the guide groove 212, so that the brake effect on the tank body 100 can be achieved, and the falling of the tank body 100 can be avoided.
Preferably, the connecting hole 131 is located at the top of the connecting disc 130 and is a stepped hole, the connecting hole 131 is located at the bottom of the connecting disc 130 and is a tapered hole, a large diameter end of the stepped hole is connected with a small diameter end of the tapered hole, the limit sleeve 320 is of a tapered structure, the tapered structure can be installed in cooperation with the tapered hole, the spring 500 is installed in the stepped hole, the free length of the spring 500 is larger than the depth of the stepped hole, when the cross arm 330 slides downwards along the guide groove 212 and is prevented by the telescopic rod 430, as the tank 100 and the load are heavy, the large impact and vibration are generated at the moment of braking, discomfort or equipment failure are easily caused by personnel, the tank 100 can be braked by compressing the spring 500 in the stepped hole, meanwhile, the limit sleeve 320 enters the tapered hole, and the limit sleeve 320 is wedged into the tapered hole, so that secondary bouncing of the tank 100 is avoided, and therefore, stable braking of the tank 100 can be realized, and the reliability of equipment is improved.
Preferably, the connecting rod 310 is in trapezoidal threaded connection with the cross arm 330, and the connecting rod 310 and the cross arm 330 are fixed by spot welding, so that the connecting rod 310 can be conveniently installed, the connecting strength can be improved by trapezoidal threaded connection, the connecting rod 310 and the cross arm 330 can be prevented from rotating relatively by welding, the phenomenon that the cross arm 330 and the guide groove 212 are rubbed or blocked is avoided, the welding stress is reduced, and the braking reliability is improved.
Preferably, a plurality of groups of blocking devices 400 are installed on the anti-falling frame 200, and the distance between adjacent blocking devices 400 is 1.2m-1.5m, so that the braking distance can be reduced, the tank body 100 can be rapidly braked, the defect caused by acceleration when the tank body 100 falls is avoided, and the braking reliability is improved.
In a specific working process, after the traction steel wire rope is broken, the tank body 100 and the brake frame 300 arranged at the top of the tank body are simultaneously fallen, meanwhile, the electromagnet 410 is powered off, the telescopic rod 430 is rapidly ejected out of the installation shell 420 through the pressure spring, one end of the telescopic rod 430 is arranged in the guide groove 212, the cross arm 330 is prevented from sliding downwards along the guide groove 212 through the telescopic rod 430, the tank body 100 can be buffered through the compression of the spring 500 in the stepped hole, meanwhile, the limiting sleeve 320 enters the taper hole, the limiting sleeve 320 is wedged into the taper hole, secondary bouncing of the tank body 100 is avoided, stable braking of the tank body 100 is realized, and therefore, the reliability of equipment and the use safety of an elevator are improved.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.

Claims (3)

1. The safe elevator for construction comprises a tank body, an anti-falling frame, a braking frame, a blocking device, a spring, a bolt and a lifting device, and is characterized in that the tank body comprises a lower mounting plate, an upper mounting plate and channel steel for connecting the lower mounting plate and the upper mounting plate, positioning grooves for placing the anti-falling frame are respectively arranged on two sides of the lower mounting plate and two sides of the upper mounting plate, a gap is arranged between the positioning grooves and the anti-falling frame, lifting device mounting holes are respectively formed in one end of the lower mounting plate and one end of the upper mounting plate, and the lifting device is mounted on the tank body through the lifting device mounting holes; the anti-falling frame comprises a guide rail and outer connecting plates symmetrically riveted on two sides of the guide rail through rivets, the anti-falling frame further comprises inner connecting plates welded on the inner sides of the outer connecting plates and symmetrically arranged, guide grooves are formed in the guide rail towards the tank body end, the guide rail is located between the symmetrically arranged inner connecting plates and provided with rectangular holes, the rectangular holes are communicated with the guide grooves, and positioning mounting holes for mounting the blocking device are formed in the inner connecting plates and the outer connecting plates; the blocking device comprises a mounting shell and an electromagnet arranged at one end of the mounting shell, and also comprises a telescopic rod which is arranged in the mounting shell and is arranged corresponding to the electromagnet; a compression spring is arranged between the telescopic rod and the electromagnet, the telescopic rod moves into the installation shell through the electromagnet, the telescopic rod moves out of the installation shell through the compression spring, and the telescopic rod is arranged in the rectangular hole and can extend into the guide groove along the rectangular hole; the blocking device is arranged between two symmetrically arranged inner connecting plates, and the bolts penetrate through the positioning mounting holes to be connected with the threaded holes; the top of the upper mounting disc is provided with a connecting disc for connecting a brake frame, the center of the connecting disc is provided with a connecting hole for mounting a connecting rod, the brake frame comprises a connecting rod, a limiting sleeve and a cross arm, the connecting rod is mounted at the bottom of the cross arm, the bottom end of the connecting rod is provided with the limiting sleeve, the spring is sleeved on the circumference of the connecting rod and is arranged at the top of the limiting sleeve, and two ends of the cross arm are mounted in a guide groove and can slide along the guide groove; the part of the connecting hole, which is positioned at the top of the connecting disc, is a stepped hole, the part of the connecting hole, which is positioned at the bottom of the connecting disc, is a taper hole, the large diameter end of the stepped hole is connected with the small diameter end of the taper hole, the limit sleeve is of a taper structure, the taper structure can be matched with the taper hole, the spring is arranged in the stepped hole, and the free length of the spring is larger than the depth of the stepped hole; the connecting rod is connected with the cross arm through trapezoidal threads, and the connecting rod is fixed with the cross arm through spot welding.
2. A safety elevator for construction according to claim 1, wherein the lifting means comprises a traction wire, a winch and a brake, one end of the traction wire being connected to the tank and the other end of the traction wire being connected to the winch.
3. A safety elevator according to claim 1, wherein a plurality of groups of blocking devices are mounted on the anti-falling frame, and the distance between adjacent blocking devices is 1.2-1.5m.
CN201810311908.2A 2018-04-09 2018-04-09 Safe elevator is used in construction Active CN108358016B (en)

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Application Number Priority Date Filing Date Title
CN201810311908.2A CN108358016B (en) 2018-04-09 2018-04-09 Safe elevator is used in construction

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Application Number Priority Date Filing Date Title
CN201810311908.2A CN108358016B (en) 2018-04-09 2018-04-09 Safe elevator is used in construction

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CN108358016B true CN108358016B (en) 2024-03-08

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113387246B (en) * 2021-06-01 2022-06-24 董娟 All-steel intelligent building construction lifting platform
CN115009952B (en) * 2022-06-20 2024-02-06 中天建设集团第六建设有限公司 Safety anti-falling protection device for steel structure construction

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200405486Y1 (en) * 2005-10-20 2006-01-10 임미성 Elevator safety device
KR20070043239A (en) * 2005-10-20 2007-04-25 임미성 Elevator safety device
JP2012158440A (en) * 2011-02-01 2012-08-23 Toshiba Elevator Co Ltd Elevator
CN102862893A (en) * 2011-07-07 2013-01-09 刘小泉 Lifting plier device of elevator car
CN105217393A (en) * 2015-09-30 2016-01-06 中国计量学院 The elevator of tenesmus and accident of rushing to summit can not be there is
CN206069142U (en) * 2016-06-26 2017-04-05 苏州中远电梯有限公司 A kind of bidirectional braking device for during used during elevator falling
DE102016007070A1 (en) * 2016-06-09 2017-12-14 BISCHOFF lndustriebremsen GmbH Safety catch for lifting device
CN208200055U (en) * 2018-04-09 2018-12-07 中建八局第二建设有限公司 Safety escalator is used in a kind of construction

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200405486Y1 (en) * 2005-10-20 2006-01-10 임미성 Elevator safety device
KR20070043239A (en) * 2005-10-20 2007-04-25 임미성 Elevator safety device
JP2012158440A (en) * 2011-02-01 2012-08-23 Toshiba Elevator Co Ltd Elevator
CN102862893A (en) * 2011-07-07 2013-01-09 刘小泉 Lifting plier device of elevator car
CN105217393A (en) * 2015-09-30 2016-01-06 中国计量学院 The elevator of tenesmus and accident of rushing to summit can not be there is
DE102016007070A1 (en) * 2016-06-09 2017-12-14 BISCHOFF lndustriebremsen GmbH Safety catch for lifting device
CN206069142U (en) * 2016-06-26 2017-04-05 苏州中远电梯有限公司 A kind of bidirectional braking device for during used during elevator falling
CN208200055U (en) * 2018-04-09 2018-12-07 中建八局第二建设有限公司 Safety escalator is used in a kind of construction

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