CN201280368Y

CN201280368Y - Anti-falling apparatus of elevator

Info

Publication number: CN201280368Y
Application number: CNU200820137444XU
Authority: CN
Inventors: 涂建国
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-08-26
Filing date: 2008-08-26
Publication date: 2009-07-29
Anticipated expiration: 2018-08-26

Abstract

The utility model relates to building construction equipment, in particular to a fall prevention device of lifting equipment. The fall prevention device comprises a ratchet block seat board, a guide rail wheel, an adjust guide rod, a braking rod rock arm and a ratchet block. The ratchet block seat board, an upper guide rail wheel seat connection plate, and a lower guide rail wheel seat bracket are welded to form a bracket; one end of the upper guide rail wheel seat bracket and one end of the lower guide rail wheel seat bracket are welded to the guide rail wheel seat and the guide rail wheel is mounted on the guide rail wheel seat; a left ratchet block seat, a right ratchet block seat and a key pin are welded on the front side of the ratchet block seat board; a slide board groove is formed in the middle of a slide board, and the slide board is mounted on the ratchet block seat board; a connection plate support saddle is welded on the outer side surface of the left ratchet block seat; the dovetail form wedge of the ratchet block is matched with and mounted in the dovetail groove formed on the inner side surface of the ratchet block seat, and ratchet teeth are formed on the other side surface of the ratchet block; and the braking rod rock arm, the connection plate and the connection plate support saddle are connected through pins, and the braking rod rock arm is fixed on the return board trough a pin. The utility model has a flexible structure, and can quick brake in the event that the rope of a suspension cage is broken, and has the advantages of short brake distance, safety and reliability, and convenient maintenance and management.

Description

The jacking equipment falling proof device

Technical field

The utility model relates to the construction implement safety device, particularly a kind of jacking equipment falling proof device.

Technical background

The falling proof device of building operation jacking equipment is to concern the production safety key factor.The safety device of existing building operation jacking equipment adopts eccentric cam to block guide rail just like the disclosed a kind of technical scheme of notification number: CN2806411Y and prevents that cage from falling; Have plenty of also that the mode that adopts hook prevents to fall, these schemes are because cage when dropping fast, and the braking reflection is slow, can not in time stop, and cause occurring impact to guide rail, also exist maintenance cost high and problem of difficult processing is installed simultaneously.

Summary of the invention

The purpose of this utility model is to solve the deficiency that prior art exists, and a kind of simple in structure, safe and reliable, short falling proof device of stopping distance flexibly is provided.

The utility model by the following technical solutions for achieving the above object: the jacking equipment falling proof device, comprise sour jujube block plate, the sour jujube block, the guide rail wheel, regulate guide rod, brake rocker arm bar and sour jujube piece, it is characterized in that: by sour jujube block plate, upper rail wheel seat connecting panel, the support that lower guideway wheel seat support is welded into, one end of upper rail wheel seat connecting panel and lower guideway wheel seat support is welded with the guide rail wheel seat respectively, the guide rail wheel is installed on the guide rail wheel seat by the guide rail wheel shaft, two sour jujube blocks and key pin about the front of sour jujube block plate is welded with, key pin inserts in the skateboards slot that has in the middle of the slide plate, key pin can be slided in skateboards slot, slide plate both sides also symmetric transverse are provided with the opening chute, the line of two opening chute transversal centerline is vertical with the center line of skateboards slot and symmetrical, the lateral surface of the sour jujube block on the left side is welded with the connecting panel bearing, the installation that matches with the dovetail furrow of sour jujube block medial surface of the dovetail form voussoir of sour jujube piece, there is ratchet the another side of sour jujube piece, the brake rocker arm bar, connecting panel is connected by pin with the connecting panel bearing, and the brake rocker arm bar by dowel fixes on slide plate.

The back side of described sour jujube block plate is welded with brace panel and regulates guide rod, regulates the axis hole that the guide rod other end inserts the cage bearing, and catch and screw are equipped with in the termination, and the cage bearing is bolted to connection on cage.

Described adjusting guide rod can be smooth in the welding of the back side of sour jujube block plate, also can weld perpendicular to the plane of sour jujube block plate.

It is 8 °-12 ° that described sour jujube block medial surface has the angle of dovetail furrow and skateboards slot axis, and it is 8 °-12 ° with the angle of ratchet face is arranged that the sour jujube piece has dovetail form voussoir face.

Be installed with sour jujube piece pin on the described sour jujube piece, in the opening chute on the slide plate copper sheathing be installed, insert in the copper sheathing termination of sour jujube piece pin.

Described sour jujube piece has the one side of ratchet to install to lay braking frictional plate.

The driving surface of described guide rail wheel is according to different setting of shape of guide rail, and plate guide rail adopts the flute profile driving surface, and the column type guide rail adopts the circular arc driving surface, simultaneously the also corresponding employing of the driving surface plane ratchet or the arc surface ratchet of sour jujube piece.

When described guide rail wheel adopts the flute profile driving surface, also can only adopt the lower tumbler assembly.

The utility model advantage is: can be under the situation of the disconnected rope of cage, and braking rapidly, the fall arrest actual relative movement is short, and impulsive force is little, and locking is stable, and is safe and reliable, also is applicable to that the cage of elevator, cableway, mine vertical shaft, inclined shaft uses simultaneously.

Description of drawings

Fig. 1 is a structural representation of the present utility model

Fig. 2 is that A-A among Fig. 1 is to scheme drawing

Fig. 3 is the B place enlarged diagram among Fig. 1

Fig. 4 is the structural representation that the utility model adopts the circular arc driving surface

Among the figure: guide rail wheel 1, guide rail wheel shaft 2, guide rail wheel seat 3, slide plate 4, skateboards slot 5, sour jujube block 6, sour jujube piece 7, key pin 8, lower guideway wheel seat support 9, upper rail wheel seat connecting panel 10, brake rocker arm bar 11, connecting panel 12, connecting panel bearing 13, pin 14, adjusting guide rod 15, catch 16, screw 17, cage bearing 18, bolt 19, sour jujube piece pin 20, brace panel 21, sour jujube block plate 22, opening chute 23, copper sheathing 24

The specific embodiment

Be further described below in conjunction with accompanying drawing:

As shown in the figure, the jacking equipment falling proof device, comprise sour jujube block plate 22, sour jujube block 6, guide rail wheel 1, regulate guide rod 15, brake rocker arm bar 11 and sour jujube piece 7, by sour jujube block plate 22, upper rail wheel seat connecting panel 10, the support that lower guideway wheel seat support 9 is welded into, one end of upper rail wheel seat connecting panel 10 and lower guideway wheel seat support 9 is welded with guide rail wheel seat 3 respectively, guide rail wheel 1 is installed on the guide rail wheel seat 3 by guide rail wheel shaft 2, two sour jujube blocks 6 and be welded with two key pins 8 about the front of sour jujube block plate 22 is welded with at midline position, key pin 8 inserts in the skateboards slot 5 that has in the middle of the slide plate 4, key pin 8 can be slided in skateboards slot 5, the distance of sliding should be able to close up ratchet face when slide plate 4 links with sour jujube piece 7, slide plate 4 both sides also symmetric transverse are provided with opening chute 23, the line of two opening chute 23 transversal centerline is vertical with the center line of skateboards slot 5 and symmetrical, the lateral surface of the sour jujube block 6 on the left side is welded with connecting panel bearing 13, the installation that matches with the dovetail furrow of sour jujube block 6 medial surfaces of the dovetail form voussoir of sour jujube piece 7, there is ratchet the another side of sour jujube piece 7, brake rocker arm bar 11, connecting panel 12 is connected by pin 14 with connecting panel bearing 13, and brake rocker arm bar 11 is fixed on the slide plate 4 by pin 14, brake rocker arm bar 11 is when braking jack-up, can not run into top tumbler seat 3, the back side of sour jujube block plate 22 is welded with brace panel 21 and regulates guide rod 15, and brace panel 21 is stuck on the adjusting guide rod 15, welding forms whole, regulate the axis hole that guide rod 15 other ends insert cage bearing 18, catch 16 and screw 17 are equipped with in the termination, and cage bearing 18 is fixedly connected on the cage by bolt 19.Regulating guide rod 15 can be smooth in the welding of the back side of sour jujube block plate 22, also can weld perpendicular to the plane of sour jujube block plate 22.It is 8 °-12 ° that sour jujube block 6 medial surfaces have the angle of dovetail furrow and skateboards slot 5 axis, and it is 8 °-12 ° with the angle of ratchet face is arranged that sour jujube piece 7 has dovetail form voussoir face, and the face width of tooth of sour jujube piece is 50-65mm.Be installed with sour jujube piece pin 20 on the sour jujube piece 7, it is the copper sheathing 24 of H68 that the trade mark is installed in the opening chute 23 on the slide plate 4, and insert in the copper sheathing 24 termination of sour jujube piece pin 20.Sour jujube piece 7 has the one side of ratchet to install to lay braking frictional plate.The driving surface of guide rail wheel 1 is according to different setting of shape of guide rail, plate guide rail adopts the flute profile driving surface, the column type guide rail adopts the circular arc driving surface, the also corresponding employing of the driving surface plane ratchet or the arc surface ratchet of while sour jujube piece 7, when adopting the circular arc driving surface, is made up of two pairs of guide rails wheels 1 up and down, its cambered surface radius is R25, apart from being 50.When guide rail wheel 1 adopts the flute profile driving surface, also can only adopt the lower tumbler assembly.

In conjunction with the accompanying drawings principle of work of the present utility model is described again below, Fig. 1,2, the 3rd is at the jacking equipment falling proof device that adopts plate guide rail to use, Fig. 4 is at the jacking equipment falling proof device that adopts cylindrical slideway to use, when cage normally uses, moving of jacking equipment falling proof device with cage, guide rail passes through in last lower tumbler and sour jujube piece 7, and sour jujube piece 7 is opened; When the cage cable wire occurring and break, the cable wire of tension brake rocker arm bar 11 terminations unclamps, the holddown spring of brake rocker arm bar 11 terminations of installing is upspring, promote brake rocker arm bar 11 and be pulled upwardly slide plate 4, drive the sour jujube piece 7 that is installed on the slide plate 4 simultaneously and move according to sour jujube block 6 inclined-planes fast, sour jujube piece 7 ratchet faces chucking guide rail, play rapid brake action, prevent that cage from falling, it is flexible that it has structure, the advantage that stopping distance is short.

Claims

1, jacking equipment falling proof device comprises sour jujube block plate [22], sour jujube block [6], guide rail wheel [1], regulates guide rod [15], brake rocker arm bar [11] and sour jujube piece [7], it is characterized in that:

(1) support that is welded into by sour jujube block plate [22], upper rail wheel seat connecting panel [10], lower guideway wheel seat support [9], one end of upper rail wheel seat connecting panel [10] and lower guideway wheel seat support [9] is welded with guide rail wheel seat [3] respectively, guide rail wheel [1] is installed on the guide rail wheel seat [3] by guide rail wheel shaft [2]

(2) two sour jujube blocks [6] and key pin [8] about the front of sour jujube block plate [22] is welded with, key pin [8] inserts in the skateboards slot [5] that has in the middle of the slide plate [4], key pin [8] can be slided in skateboards slot [5], slide plate [4] both sides also symmetric transverse are provided with opening chute [23], the line of two opening chutes [23] transversal centerline is vertical with the center line of skateboards slot [5] and symmetrical, the lateral surface of the sour jujube block [6] on the left side is welded with connecting panel bearing [13], the installation that matches with the dovetail furrow of sour jujube block [6] medial surface of the dovetail form voussoir of sour jujube piece [7], there is ratchet the another side of sour jujube piece [7], brake rocker arm bar [11], connecting panel [12] is connected by pin [14] with connecting panel bearing [13], and brake rocker arm bar [11] is fixed on the slide plate [4] by pin [14].

2, jacking equipment falling proof device according to claim 1, it is characterized in that: the back side of sour jujube block plate [22] is welded with brace panel [21] and regulates guide rod [15], regulate the axis hole that guide rod [15] other end inserts cage bearing [18], catch [16] and screw [17] are equipped with in the termination, and cage bearing [18] is fixedly connected on the cage by bolt [19].

3, jacking equipment falling proof device according to claim 2 is characterized in that: regulating guide rod [15] can be smooth in the welding of the back side of sour jujube block plate [22], also can weld perpendicular to the plane of sour jujube block plate [22].

4, jacking equipment falling proof device according to claim 1, it is characterized in that: it is 8 °-12 ° that sour jujube block [6] medial surface has the angle of dovetail furrow and skateboards slot [5] axis, and it is 8 °-12 ° with the angle of ratchet face is arranged that sour jujube piece [7] has dovetail form voussoir face.

5, jacking equipment falling proof device according to claim 1 is characterized in that: be installed with sour jujube piece pin [20] on the sour jujube piece [7], in the opening chute [23] on the slide plate [4] copper sheathing [24] be installed, insert in the copper sheathing [24] termination of sour jujube piece pin [20].

6, jacking equipment falling proof device according to claim 1 is characterized in that: sour jujube piece [7] has the one side of ratchet to install to lay braking frictional plate.

7, jacking equipment falling proof device according to claim 1, it is characterized in that: the driving surface of guide rail wheel [1] is according to different setting of shape of guide rail, plate guide rail adopts the flute profile driving surface, the column type guide rail adopts the circular arc driving surface, simultaneously the also corresponding employing of the driving surface plane ratchet or the arc surface ratchet of sour jujube piece [7].

8, jacking equipment falling proof device according to claim 7 is characterized in that: when guide rail wheel [1] adopts the flute profile driving surface, also can only adopt the lower tumbler assembly.