CN201161860Y

CN201161860Y - Falling proof apparatus for construction suspension cage

Info

Publication number: CN201161860Y
Application number: CNU200820016852XU
Authority: CN
Inventors: 李道华
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-22
Filing date: 2008-01-22
Publication date: 2008-12-10
Anticipated expiration: 2018-01-22

Abstract

The utility model discloses an anti-dropping device of a construction suspension cage, which comprises a guiding plate, wherein a first guiding plate and a second guiding plate are arranged on the guiding plate, a connecting transverse plate is arranged between the two guiding plates, a supporting shaft is arranged on the connecting transverse plate, a first drive wedge plate is arranged on the first guiding plate, a second drive wedge plate is arranged on the second guiding plate, the guiding plate is connected with a bottom plate, wherein two grooves are opened on the bottom plate, a first guiding plate and a second guiding plate are respectively installed on the two grooves, two springs are installed on the bottom plate, the upper end of the first spring is connected with the bottom plate, the lower end is connected with the first drive wedge plate, the upper end of the second spring is connected with the bottom plate, the lower end is connected with the second drive wedge plate, a first follower wedge plate and a second follower wedge plate are respectively and moveably installed on the first drive wedge plate and the second drive wedge plate, and the sliding contact surface between the first follower wedge plate and the first drive wedge plate and the contact surface between the second follower wedge plate and the second drive wedge plate are inclined surfaces. The anti-dropping device has simple structure and less driving parts, after being used for a long time, each part also can be operated flexibly, and the anti-dropping device can brake in time when a suspension cage drops, and can guarantee the safety of builders in the suspension cage.

Description

Construction cage falling-proof dropping control device

Technical field

The utility model relates to the safety device that a kind of building operation is used, and particularly relates to a kind of construction cage falling-proof dropping control device.

Background technology

At present, in construction trade, gig is a kind of imperative equipment, it is mainly used in construction transports workmen and construction material, owing to this equipment overload may occur or other reason makes that hoist rope is broken, cage falls in the lifting process, cause fatal crass's grave accident, therefore, the cage of gig all must be installed falling proof device.Stipulate in JGJ59-99 construction safety check criteria according to nation-building portion: material elevators such as well cabinet frame, portal frame not only will be installed the fall arrest safety guard, and must install and stop safety guard.But, there is complex structure in existing material elevator falling proof device, volume is big and the loaded down with trivial details defective of Installation and Debugging formality, and, construction site stirs up a cloud of dust, the sealing of existing falling proof device is bad, uses between the parts of falling proof device after a period of time and can be blocked by dust greasy filth, and causing can't regular event, in case when having an accident, do not have due protective action.And existing falling proof device has only the fall arrest function, does not stop safety protection function, can't satisfy people's construction requirement.

Summary of the invention

The purpose of this utility model has provided a kind of construction cage falling-proof dropping control device, and it is simple in structure, drive disk assembly is few, after long-time the use, but flexible motion still between each parts, in case can guarantee to take place the cage falling accident, can in time brake anti-fallly, guarantee the life security of workmen in the cage.

The utility model is achieved through the following technical solutions: construction cage falling-proof dropping control device, comprise guide plate, first guide plate and second guide plate are set on the guide plate, between first guide plate and second guide plate connection transverse slat is set, connect on the transverse slat pivot shaft is installed, the first active voussoir is set on first guide plate, the second active voussoir is set on second guide plate, guide plate is connected with base plate, offer two grooves on the base plate, article two, groove is installed first guide plate and second guide plate respectively, first spring and second spring are installed respectively on the base plate, and the upper end of first spring is connected with base plate, and the lower end of first spring is connected with the first active voussoir, the upper end of second spring is connected with base plate, the lower end of second spring is connected with the second active voussoir, the movable first servo-actuated voussoir of installing on the first active voussoir, the activity installation second servo-actuated voussoir on the second active voussoir, the first servo-actuated voussoir and the first initiatively sliding contact surface of voussoir is the inclined-plane, and the second servo-actuated voussoir and the second initiatively contact surface of voussoir is the inclined-plane.

For further realizing the purpose of this utility model, can also realize by the following technical solutions: first cover plate and second cover plate are installed on the base plate, first spring, the first active voussoir and the first servo-actuated voussoir are between first cover plate and base plate, and second spring, the second active voussoir and the second servo-actuated voussoir are between second cover plate and base plate.The first servo-actuated voussoir is that dovetail furrow is connected between the voussoir initiatively with first, and the second servo-actuated voussoir and second initiatively is that dovetail furrow connects between the voussoir.First overhead gage, second overhead gage, first lower baffle plate and second lower baffle plate are set respectively on the base plate, first overhead gage is connected with first cover plate with first lower baffle plate, second overhead gage is connected with second cover plate with second lower baffle plate, the upper end of first spring is connected with first overhead gage, and the upper end of second spring is connected with second overhead gage.The movable first adjusting bolt and second of installing in base plate bottom is regulated bolt, first magnet is installed in first upper end of regulating bolt, first magnet contacts with the bottom of the first servo-actuated voussoir, and second magnet is installed, the following end in contact of second magnet and the second servo-actuated voussoir in second upper end of regulating bolt.The bottom of base plate is connected with jacking cylinder.First " V " font groove is offered in the side of the first servo-actuated voussoir, and second " V " font groove is offered in the second servo-actuated voussoir side.

Good effect of the present utility model is: the spring that it is installed with symmetry, servo-actuated voussoir and active voussoir connect and compose the main actuating mechanism of falling proof device, it is few to have parts, advantage of simple structure, can adapt to the many harsies environment of camp site dust, even after installing and using for a long time, still flexible motion between each parts can be guaranteed, thereby being perfectly safe of workmen in the cage can be guaranteed.It also possesses the stop safety protection function, can satisfy people's construction requirement.

Description of drawings

Fig. 1 is a structural representation of the present utility model; Fig. 2 is the A-A sectional structure scheme drawing of Fig. 1; Fig. 3 is two groups of falling proof devices and the hydraulic actuating cylinder bonded assembly running condition figure that installs on the cage.

Number in the figure: 1 construction cage falling-proof dropping control device, 2 piston rods, 3 jacking cylinders, 4 second springs, 5 manual oil cylinders, 6 base plates, 7 guide plates, 8 pivot shafts, 9 first cover plates, 10 second cover plates, 11 first active voussoirs, 12 first servo-actuated voussoirs, 13 second servo-actuated voussoirs, 14 first springs, 15 first magnet, 16 first regulate bolt, 17 second regulate bolt, 18 cage guide rails 9 second are voussoir initiatively, 20 second magnet, 21 first guide plates, 22 second guide plates, 23 first overhead gages, 24 second overhead gages, 25 first lower baffle plates, 26 second lower baffle plates, 27 first " V " font groove, 28 second " V " font groove.

The specific embodiment

As shown in Figure 1, construction cage falling-proof dropping control device described in the utility model, comprise guide plate 7, first guide plate 21 and second guide plate 22 are set on the guide plate 7, first guide plate 21 is parallel with second guide plate 22, between first guide plate 21 and second guide plate 22 the connection transverse slat is set, connect pivot shaft 8 is installed on the transverse slat, the first active voussoir 11 is set on first guide plate 21, the second active voussoir 19 is set on second guide plate 22, guide plate 7 is connected with base plate 6, offer two grooves on the base plate 6, article two, first guide plate 21 and second guide plate 22 are installed respectively in the groove, promptly first guide plate 21 and second guide plate 22 respectively with base plate 6 on two groove fit, can up and down reciprocatingly slide along two grooves, first spring 14 and second spring 4 are installed respectively on the base plate 6, the upper end of first spring 14 is connected with base plate 6, the lower end of first spring 14 is connected with the first active voussoir 11, the upper end of second spring 4 is connected with base plate 6, the lower end of second spring 4 is connected with the second active voussoir 19, guide plate 7 holds up base plate 6 by first spring 14 and second spring 4, the elastic force of first spring 14 and second spring 4 and base plate 6 suffered gravitational equilibriums are offset, the movable first servo-actuated voussoir 12 of installing on the first active voussoir 11, the movable second servo-actuated voussoir 13 of installing on the second active voussoir 19, the first servo-actuated the voussoir 12 and first initiatively sliding contact surface of voussoir 11 is inclined-planes, and the second servo-actuated the voussoir 13 and second initiatively contact surface of voussoir 19 is inclined-planes.First spring 14 and second spring 4 can all be cylindroid helical-coil compression springs.When installing and using, as shown in Figure 3, two cover construction cage falling-proof dropping control devices are connected with cage by pivot shaft 8, and cage guide rail 18 is installed between the first servo-actuated voussoir 12 and the second servo-actuated voussoir 13, base plate 6 is connected with the piston rod 2 of jacking cylinder 3, jacking cylinder 3 is connected with manual oil cylinder 5 by pipeline, behind the steel rope breaking that hangs cage, cage is at gravity, fall downwards under the effect of first spring 14 and second spring 4, at this moment, guide plate 7 relative base plates 6 move down, because the first servo-actuated the voussoir 12 and first initiatively sliding contact surface of voussoir 11 is inclined-planes, and second servo-actuated voussoir 13 and second initiatively the contact surface of voussoir 19 also be the inclined-plane, therefore, when the guide plate 7 drives first active voussoir 11 moves downward with the second active voussoir, 19 relative base plates 6, the first servo-actuated voussoir 12 and the second servo-actuated voussoir, 13 along continuous straight runs are inwardly promoted, the spacing of the first servo-actuated voussoir 12 and the second servo-actuated voussoir 13 is reduced, thereby make win servo-actuated voussoir 12 and the second servo-actuated voussoir 13 hold cage guide rail 18 tightly, stop the cage tenesmus; And the suffered gravity of cage is big more, the first servo-actuated voussoir 12 and the second servo-actuated voussoir 13 with 18 armfuls on cage guide rail just tight more, thereby can guarantee the safety of workmen in the cage; Use when stopping function in normal operation, should be by following operation: after cage moves to assigned address, the manual oil cylinder 5 of control moves up base plate 6, the first servo-actuated voussoir 12 and the second servo-actuated voussoir, 13 relative guide plates 7 with jacking cylinder 3 earlier, thereby make the first servo-actuated voussoir 12 and the second servo-actuated voussoir 13 hold cage guide rail 18 tightly, loaded material on cage again, the position of cage can not moved in loading process.

As depicted in figs. 1 and 2, first cover plate 9 and second cover plate 10 can be installed on base plate 6, first spring 14, the first active voussoir 11 and the first servo-actuated voussoir 12 are between first cover plate 9 and base plate 6, second spring 4, the second active voussoir 19 and the second servo-actuated voussoir 13 are between second cover plate 10 and base plate 6, and first cover plate 9 and second cover plate 10 can play good airtight dustproof effect.As shown in Figure 2, can correspondingly offer two grooves on first cover plate 9 and second cover plate 10, first guide plate 21 and second guide plate 22 lay respectively in two grooves, and can slide along groove.

As shown in Figure 2, for guarantee the first servo-actuated voussoir 12 and the second servo-actuated voussoir 13 both can relative first initiatively voussoir 11 and second initiatively voussoir 19 slide, again can by first initiatively voussoir 11 and second initiatively not deviate from the voussoir 19, the first servo-actuated voussoir 12 with first initiatively between the voussoir 11 and the second servo-actuated voussoir 13 and second initiatively between the voussoir 19 but dovetail furrow be connected.

As shown in Figure 1, first overhead gage 23 can be set respectively on base plate 6, second overhead gage 24, first lower baffle plate 25 and second lower baffle plate 26, first overhead gage 23 is connected with first cover plate 9 with first lower baffle plate 25, second overhead gage 24 is connected with second cover plate 10 with second lower baffle plate 26, first overhead gage 23, first lower baffle plate 25, the base plate 6 and first cover plate 9 connect and compose semiclosed chamber, second overhead gage 24, second lower baffle plate 26, second cover plate 10 and base plate 6 connect and compose semiclosed chamber, first spring 14, second spring 4, the first active voussoir 11, the first servo-actuated voussoir 12, the second servo-actuated voussoir 13 and second initiatively voussoir 19 is positioned at above-mentioned two semiclosed chambeies, can effectively avoid dust to pollute; The upper end of first spring 14 is connected with first overhead gage 23, and the upper end of second spring 4 is connected with second overhead gage 24.

As shown in Figure 1, the movable first adjusting bolt 16 and second of installing in base plate 6 bottoms is regulated bolt 17, the first adjusting bolt 16 and second is regulated bolt 17 and can be installed in respectively on first lower baffle plate 25 and second lower baffle plate 26, the first adjusting bolt 16 and second is regulated bolt 17 and can be rotated relative to first lower baffle plate 25 and second lower baffle plate 26, first magnet 15 can be installed in first upper end of regulating bolt 16, first magnet 15 contacts with the bottom of the first servo-actuated voussoir 12, the following end in contact that second magnet, 20, the second magnet 20 and the second servo-actuated voussoir 13 can be installed in second upper end of regulating bolt 17.First magnet 15 and second magnet 20 hold up the first servo-actuated voussoir 12 and the second servo-actuated voussoir 13 respectively, simultaneously first magnet 15 and second magnet 20 can be respectively and the first servo-actuated

voussoir

12 and 13 adhesives of the second servo-actuated voussoir, guarantee that the first servo-actuated voussoir 12 and the second servo-actuated voussoir 13 can be synchronized with the movement with base plate 6.

As shown in figures 1 and 3, for realize stopping function, the bottom of base plate 6 can be connected with jacking cylinder 3, specifically connection mode is that piston rod 2 with jacking cylinder 3 is connected with the lower end of base plate 6.

As shown in Figure 2, can offer first " V " font groove 27 in the side of the first servo-actuated voussoir 12, second " V " font groove 28 is offered in the second servo-actuated voussoir, 13 sides, when first " V " font groove 27 and second " V " font groove 28 contact with cage guide rail 18, all have at least two lines to contact on first " V " font groove 27 and second " V " font groove 28 with cage guide rail 18, the friction force of 18 on the first servo-actuated voussoir 12, the second servo-actuated voussoir 13 and cage guide rail can be increased, the safety of cage can be further guaranteed; And, first " V " font groove 27 and second " V " font groove 28 can prevent can't normal operation because of the cage deflection situation take place.

The technical solution of the utility model is not restricted in the scope of embodiment described in the utility model.The utility model not technology contents of detailed description is known technology.

Claims

1, construction cage falling-proof dropping control device, it is characterized in that: comprise guide plate (7), first guide plate (21) and second guide plate (22) are set on the guide plate (7), between first guide plate (21) and second guide plate (22) the connection transverse slat is set, connect on the transverse slat pivot shaft (8) is installed, the first active voussoir (11) is set on first guide plate (21), the second active voussoir (19) is set on second guide plate (22), guide plate (7) is connected with base plate (6), offer two grooves on the base plate (6), article two, groove is installed first guide plate (21) and second guide plate (22) respectively, first spring (14) and second spring (4) are installed respectively on the base plate (6), the upper end of first spring (14) is connected with base plate (6), the lower end of first spring (14) is connected with the first active voussoir (11), the upper end of second spring (4) is connected with base plate (6), the lower end of second spring (4) is connected with the second active voussoir (19), the first active voussoir (11) is gone up the movable first servo-actuated voussoir (12) of installing, the second active voussoir (19) is gone up the movable second servo-actuated voussoir (13) of installing, the first servo-actuated voussoir (12) is the inclined-plane with the sliding contact surface of the first active voussoir (11), and the second servo-actuated voussoir (13) and the second initiatively contact surface of voussoir (19) is the inclined-plane.

2, construction cage falling-proof dropping control device according to claim 1, it is characterized in that: base plate (6) is gone up first cover plate (9) and second cover plate (10) is installed, first spring (14), the first active voussoir (11) and the first servo-actuated voussoir (12) are positioned between first cover plate (9) and the base plate (6), and second spring (4), the second active voussoir (19) and the second servo-actuated voussoir (13) are positioned between second cover plate (10) and the base plate (6).

3, construction cage falling-proof dropping control device according to claim 1 and 2, it is characterized in that: the first servo-actuated voussoir (12) is that dovetail furrow is connected between the voussoir (11) initiatively with first, and the second servo-actuated voussoir (13) and second initiatively is that dovetail furrow connects between the voussoir (19).

4, construction cage falling-proof dropping control device according to claim 3, it is characterized in that: first overhead gage (23), second overhead gage (24), first lower baffle plate (25) and second lower baffle plate (26) are set respectively on the base plate (6), first overhead gage (23) is connected with first cover plate (9) with first lower baffle plate (25), second overhead gage (24) is connected with second cover plate (10) with second lower baffle plate (26), the upper end of first spring (14) is connected with first overhead gage (23), and the upper end of second spring (4) is connected with second overhead gage (24).

5, construction cage falling-proof dropping control device according to claim 4, it is characterized in that: the movable first adjusting bolt (16) and second of installing in base plate (6) bottom is regulated bolt (17), first magnet (15) is installed in first upper end of regulating bolt (16), first magnet (15) contacts with the bottom of the first servo-actuated voussoir (12), second magnet (20) is installed in second upper end of regulating bolt (17), the following end in contact of second magnet (20) and the second servo-actuated voussoir (13).

6, construction cage falling-proof dropping control device according to claim 5 is characterized in that: the bottom of base plate (6) is connected with jacking cylinder (3).

7, construction cage falling-proof dropping control device according to claim 6, it is characterized in that: first " V " font groove (27) is offered in the side of the first servo-actuated voussoir (12), and second " V " font groove (28) is offered in second servo-actuated voussoir (13) side.