CN102115004A

CN102115004A - Anti-rebound structure of tensioning device of elevator

Info

Publication number: CN102115004A
Application number: CN2011100756265A
Authority: CN
Inventors: 刘杰; 王宏杰; 周卫东; 谢琛; 周平; 蔡峥嵘; 吕亮亮
Original assignee: SJEC Corp
Current assignee: SJEC Corp
Priority date: 2011-03-28
Filing date: 2011-03-28
Publication date: 2011-07-06

Abstract

The invention discloses an anti-rebound structure of a tensioning device of an elevator. In the invention, when rebound volume of the tensioning device is within an allowable range, a rolling element is not contacted with an anti-rebound block, so the tensioning device bounces up and down when a tension rope moves up and down; when the rebound volume of the tensioning device exceeds the allowable range, the anti-rebound block tightly presses the rolling element on a guide rail by means of an accommodation space which is gradually enlarged from the bottom up or is gradually reduced from the top down so as to prevent the tensioning device from further bouncing upwards, thus avoiding danger caused by excessive rebound volume; the rolling element can be contacted with the anti-rebound block and the guide rail in a rolling manner, so the anti-rebound block drives the rolling element to roll upwards on the guide rail and pushes a pair of splints clamped on the guide rail to slide upwards along the guide rail when an excessive upward impact force is applied to the tensioning device through the tension rope; and after the stress on the tensioning device disappears, the tensioning device automatically falls down under gravity action and restores to the original position. Therefore, the tensioning device can stably tighten up the tension rope without manual operation.

Description

The anti-jump structure of elevator swelling device

Technical field

The present invention relates to the anti-jump structure of elevator swelling device.

Background technology

In the elevator swelling device, the horizontally disposed expansion tightening wheel of wheel shaft is housed on the adapter plate, the tensioner rope is walked around expansion tightening wheel downwards, when tensioner rope up-and-down movement, expansion tightening wheel is bob thereupon, if the expansion tightening wheel jerk value is excessive, may make the tensioner rope break away from the grooving of expansion tightening wheel, cause danger, so need the anti-jump structure of design.The anti-jump structure of existing swelling device, adopt pincers piece and guide rail to match, be that swelling device is upwards beated, when jerk value surpasses allowed band, be stuck on the guiding rail of both sides after can being clamped by the pincers piece, need the manual depression spanner this moment, promote active clamp block swelling device is resetted, M/C is dangerous like this, and can cause that swelling device lost efficacy in short-term.

Summary of the invention

The purpose of this invention is to provide the anti-jump structure of beating that surpasses allowed band that on guide rail, stops swelling device by anti-jump rolling member that compresses on the folder, the anti-jump folder that can promote to be clipped on the guide rail slided together when this anti-jump structure made swelling device be subjected to that upwards impulsive force is excessive by the folder that can slide is set, and swelling device stops the back and falls automatically by self gravitation beating.

For achieving the above object, the technical solution used in the present invention is: the anti-jump structure of elevator swelling device, described swelling device comprises adapter plate, wheel shaft is horizontally set on the expansion tightening wheel on the described adapter plate, described anti-jump structure comprises the guide rail of vertical setting, this anti-jump structure also comprises the folder that can be clamped in slidably along the above-below direction of described guide rail on the described guide rail, be arranged on anti-jump on the described adapter plate, described folder comprises that folding relatively is used to clamp a pair of clamping plate of described guide rail, be separately positioned on the described a pair of clamping plate and lay respectively at the rolling member of described guide rail both sides, described anti-jump has the accommodation space that enlarges gradually from bottom to top and upwards connect with the external world, described rolling member is all stretched downwards in described accommodation space, described anti-jump structure has first mode of operation and second mode of operation, when described anti-jump structure was in first mode of operation, described rolling member did not contact with described anti-jump; When described anti-jump structure was in second mode of operation, described anti-jump compressed described rolling member on described guide rail, and described rolling member all can rollably contact with described anti-jump and described guide rail.

Preferably, described folder comprises holder, one of them clamping plate is fixedly installed on the described holder in the described a pair of clamping plate, the another one clamping plate can be arranged on the described holder movably, are provided with between clamping plate that can move and the described holder to be used to provide elastic-restoring force of these clamping plate that move to make it stablize the elastic component that is against on the described guide rail.

Further preferably, have the regulating plate that offers tapped bore on the described holder, can screw in the governing screw in the described tapped bore, an end of described elastic component is fixedly connected on the described governing screw, and an other end is fixedly connected on the described mobile clamping plate.

Preferably, described anti-jump comprises base, is arranged on a pair of voussoir on the described base, described a pair of voussoir facing surfaces along from bottom to top gradually away from direction be obliquely installed, form described accommodation space between this facing surfaces, when described anti-jump structure was in first mode of operation, described rolling member did not all contact with described a pair of voussoir; When described anti-jump structure was in second mode of operation, described a pair of voussoir all compressed described rolling member on described guide rail, and described rolling member all can rollably contact with described voussoir and described guide rail.

Preferably, described rolling member adopts roller, and the axial line of this roller is horizontally disposed with.

Because the utilization of technique scheme, the present invention compared with prior art has following advantage: the jerk value of swelling device is in allowed band the time, and rolling member does not contact with anti-jump, like this swelling device bob thereupon when the tensioner rope moves up and down; When the jerk value of swelling device surpasses allowed band, by enlarging gradually from bottom to top, in other words, diminishing from the top down accommodation space, anti-jump compresses rolling member on guide rail, thereby stop further upwards beating of swelling device, avoid the excessive danger that causes of jerk value, rolling member all can rollably contact with anti-jump and guide rail, like this when swelling device is subjected to by the tensioner rope that upwards impulsive force is excessive, anti-jump drives rolling member and scrolls up on guide rail, and a pair of clamping plate that promote to be clamped on the guide rail upwards slide along guide rail, after the stressed disappearance of swelling device, swelling device falls under the self gravitation effect automatically, set back, then need not M/C, swelling device is tensioner tensioner rope stably.

Description of drawings

Accompanying drawing 1 is looked partial schematic diagram for master of the present invention;

Accompanying drawing 2 is analysed and observe partial schematic diagram for side-looking of the present invention.

The specific embodiment

Further set forth structure of the present invention below in conjunction with accompanying drawing.

Shown in Fig. 1-2, the anti-jump structure of elevator swelling device, swelling device 1 comprises adapter plate 2, wheel shaft 17 is horizontally set on the expansion tightening wheel 3 on the adapter plate 2, the tensioner rope is walked around expansion tightening wheel 3 downwards, action of gravity by swelling device 1 self comes tensioner tensioner rope, the anti-jump structure of swelling device comprises the guide rail 4 of vertical setting, can be clamped in the folder 5 on the guide rail 4 along the above-below direction of guide rail 4 slidably, be arranged on anti-jump 13 on the adapter plate 2, folder 5 comprises that folding relatively is used to clamp a pair of clamping plate 7 and 8 of guide rail 4, be separately positioned on a pair of clamping plate 7 and 8 and lay respectively at the rolling member 12 of guide rail 4 both sides, a pair of clamping plate 7 and 8 are folded, can clamp guide rail 4, and can slide along the above-below direction of guide rail 4, rolling member 12 adopts roller, the axial line of this roller is horizontally disposed with, the rolling member 12 that is positioned at upright guide rail 4 both sides like this can rollably contact mutually with the side surface of guide rail 4, has the accommodation space 16 that enlarges gradually from bottom to top and upwards connect with the external world for anti-jump 13, the rolling member 12 of both sides is all stretched downwards in accommodation space 16, anti-jump structure has first mode of operation and second mode of operation, when anti-jump structure is in first mode of operation, rolling member 12 does not contact with anti-jump 13, swelling device 1 bob thereupon when the tensioner rope normally moves up and down like this, this moment swelling device 1 jerk value in allowed band; When the jerk value of swelling device 1 surpasses allowed band, this moment, anti-jump structure was in second mode of operation, by enlarging gradually from bottom to top, in other words, diminishing from the top down accommodation space 16, compress rolling member 12 for anti-jump 13 on guide rail 4, thereby stop further upwards beating of swelling device, avoid the excessive danger that causes of jerk value, rolling member 12 all can rollably contact with anti-jump 13 and guide rail 4, and when swelling device 1 was subjected to by the tensioner rope that upwards impulsive force is excessive, anti-jump 13 drove rolling member 12 and scroll up on guide rail 4 like this, and a pair of clamping plate 7 and 8 that promote to be clamped on the guide rail 4 upwards slide along guide rail 4, after swelling device 1 stressed disappearance, swelling device 1 falls under the self gravitation effect automatically, sets back, then need not M/C, swelling device 1 is tensioner tensioner rope stably.

In Fig. 1, comprise base 14 for anti-jump 13, be arranged on a pair of voussoir 15 on the base 14, a pair of voussoir 15 facing surfaces along from bottom to top gradually away from direction be obliquely installed, form accommodation space 16 between this facing surfaces, like this when anti-jump structure is in first mode of operation, be swelling device when beating in allowed band, rolling member 12 does not all contact with a pair of voussoir 15; When anti-jump structure was in second mode of operation, when promptly the jerk value of swelling device surpassed allowed band, the inclined-plane of a pair of voussoir 15 all compressed rolling member 12 on guide rail 4, and rolling member 12 all can rollably contact with voussoir 15 and guide rail 4.

For clamping folder 5 on guide rail 4 easily, folder 5 comprises holder 6, one of them clamping plate 7 is fixedly installed on the holder 6 in a pair of clamping plate 7 and 8, another one clamping plate 8 can be arranged on the holder 6 movably, be provided with elastic component 11 between clamping plate 8 that can move and the holder 6, this elastic component 11 is used to provide 8 one elastic-restoring forces of these clamping plate that move to make clamping plate 8 to stablize to be against guide rail 4.Be applied to elastic acting force on the clamping plate 8 in order to regulate elastic component 11, have the regulating plate 9 that offers tapped bore on the holder 6, can screw in the governing screw 10 in the tapped bore, one end of elastic component 11 is fixedly connected on the governing screw 10, and an other end is fixedly connected on the mobile clamping plate 8.

To sum up, the anti-jump structure of this elevator swelling device, by anti-jump with the cooperating of folder and guide rail, realized that swelling device reliablely and stablely uses.

Claims

1. the anti-jump structure of elevator swelling device, described swelling device comprises adapter plate, wheel shaft is horizontally set on the expansion tightening wheel on the described adapter plate, described anti-jump structure comprises the guide rail of vertical setting, it is characterized in that: this anti-jump structure also comprises the folder that can be clamped in slidably along the above-below direction of described guide rail on the described guide rail, be arranged on anti-jump on the described adapter plate, described folder comprises that folding relatively is used to clamp a pair of clamping plate of described guide rail, be separately positioned on the described a pair of clamping plate and lay respectively at the rolling member of described guide rail both sides, described anti-jump has the accommodation space that enlarges gradually from bottom to top and upwards connect with the external world, described rolling member is all stretched downwards in described accommodation space, described anti-jump structure has first mode of operation and second mode of operation, when described anti-jump structure was in first mode of operation, described rolling member did not contact with described anti-jump; When described anti-jump structure was in second mode of operation, described anti-jump compressed described rolling member on described guide rail, and described rolling member all can rollably contact with described anti-jump and described guide rail.

2. the anti-jump structure of elevator swelling device according to claim 1, it is characterized in that: described folder comprises holder, one of them clamping plate is fixedly installed on the described holder in the described a pair of clamping plate, the another one clamping plate can be arranged on the described holder movably, are provided with between clamping plate that can move and the described holder to be used to provide elastic-restoring force of these clamping plate that move to make it stablize the elastic component that is against on the described guide rail.

3. the anti-jump structure of elevator swelling device according to claim 2, it is characterized in that: have the regulating plate that offers tapped bore on the described holder, can screw in the governing screw in the described tapped bore, one end of described elastic component is fixedly connected on the described governing screw, and an other end is fixedly connected on the described mobile clamping plate.

4. the anti-jump structure of elevator swelling device according to claim 1, it is characterized in that: described anti-jump comprises base, is arranged on a pair of voussoir on the described base, described a pair of voussoir facing surfaces along from bottom to top gradually away from direction be obliquely installed, form described accommodation space between this facing surfaces, when described anti-jump structure was in first mode of operation, described rolling member did not all contact with described a pair of voussoir; When described anti-jump structure was in second mode of operation, described a pair of voussoir all compressed described rolling member on described guide rail, and described rolling member all can rollably contact with described voussoir and described guide rail.

5. according to the anti-jump structure of claim 1 or 4 described elevator swelling devices, it is characterized in that: described rolling member adopts roller, and the axial line of this roller is horizontally disposed with.