CN210914857U

CN210914857U - Safety device for preventing elevator from rushing to top

Info

Publication number: CN210914857U
Application number: CN201921628016.1U
Authority: CN
Inventors: 蔡结仁; 卢祥飞; 白飞
Original assignee: Marohn ThyssenKrupp Elevator Co Ltd
Current assignee: Marohn ThyssenKrupp Elevator Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-07-03
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a safety device for preventing an elevator from being jacked, which comprises a counterweight rope head group, a beating plate arranged on the counterweight rope head group, a counterweight rope head plate arranged on the counterweight rope head group, a bracket fixedly arranged on the counterweight rope head plate and a safety switch arranged on the bracket; the clapper is in reciprocating motion under the drive to heavy fag end group, the support with be formed with the clearance between the clapper, the clapper has installation department and the portion of bending, safety switch when closing with the portion of bending contact, safety switch when opening with the installation department contact. The utility model discloses the situation of dashing the top appears in the prevention elevator, realizes elevator operation safe and reliable.

Description

Safety device for preventing elevator from rushing to top

Technical Field

The utility model belongs to the technical field of elevator equipment technique and specifically relates to a prevent elevator to dash safety device on top.

Background

In the existing social background, an elevator becomes an indispensable transport tool on a high-rise building, once the elevator is qualified, the elevator is frequently used every day, the use occasion and the use frequency of the elevator require higher safety factor of the elevator, because the elevator is closely related to the life safety of users, for the elevator with a rope winding mode of rewinding, when the dragging force of the idle load detention working condition does not meet the requirement, the elevator does not meet the requirement of GB7588-2003, and the elevator has potential safety hazard of top rushing.

Therefore, a safety device is needed to be provided, the potential safety hazard of the top punching of the elevator is solved, and the safety and the reliability of the operation of the elevator are improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a prevent the elevator to dash safety device on top, through beater and safety switch's position setting, solve the elevator and dash the hidden danger on top.

In order to achieve the above object, the utility model provides a following technical scheme: a safety device for preventing an elevator from being jacked comprises a counterweight rope head set, a beating plate arranged on the counterweight rope head set, a counterweight rope head plate arranged on the counterweight rope head set, a bracket fixedly arranged on the counterweight rope head plate and a safety switch arranged on the bracket; the clapper is in reciprocating motion under the drive to heavy fag end group, the support with be formed with the clearance between the clapper, the clapper has installation department and the portion of bending, safety switch when closing with the portion of bending contact, safety switch when starting with the installation department contact.

Preferably, the installation department is L shape, the clearance between installation department and the support is less than the clearance between bending portion and the support.

Preferably, the support is L-shaped and is provided with a first support and a second support, the first support is provided with a plurality of second mounting holes, and the second support is provided with a plurality of kidney-shaped holes.

Preferably, the first bracket is fixedly mounted on the counterweight rope hitch plate by a first fastener through the second mounting hole.

Preferably, the safety switch is fixedly mounted on the second bracket by a second fastener through the slotted hole.

Preferably, the safety switch mounting position is adjustable on the waist-shaped hole.

Preferably, the counterweight rope head group is provided with a spring, an upper nut and a lower nut, the spring is arranged below the upper nut and the lower nut, and the striking plate is fixedly installed between the upper nut and the lower nut.

Preferably, the safety switch is provided with a roller, and the roller is in contact with the striking plate to realize the opening and closing of the safety switch.

The utility model has the advantages that:

1. the utility model discloses a prevent elevator to dash safety device on top solves the elevator and dashes the hidden danger on top, realizes elevator operation safe and reliable more.

2. The utility model discloses simple structure, simple to operate practices thrift elevator manufacturing cost.

Drawings

Fig. 1 is a schematic structural view of a safety device for preventing an elevator from being jacked;

fig. 2 is a schematic partial cross-sectional view of a safety device for preventing an elevator from lifting.

Reference numerals: 1. the safety device for preventing the elevator from rushing to the top comprises a safety device 11, a counterweight rope head group 111, a spring 112, an upper nut 113, a lower nut 12, a beating plate 121, an installation part 122, a bending part 13, a counterweight rope head plate 14, a support 141, a first support 142, a second support 143, a second installation hole 144, a first fastener 145, a waist-shaped hole 146, a second fastener 15, a safety switch 151 and a roller.

Detailed Description

The technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.

As shown in fig. 1, the safety device 1 for preventing the elevator from being ejected comprises a plurality of counterweight rope head groups 11, a beating plate 12, a counterweight rope head plate 13, a bracket 14 and a safety switch 15, wherein the safety switch 15 is opened to prevent the elevator from being ejected.

The counterweight rope head group 11 passes through and is installed on the counterweight rope head plate 13, and is provided with a spring 111, an upper nut 112 and a lower nut 113, the spring 111 drives the counterweight rope head group 11 to move up and down in a reciprocating manner, and is located between the upper nut 112 and the lower nut 113 and the counterweight rope head plate 13, and the beating plate 12 is fixedly installed between the upper nut 112 and the lower nut 113.

Beat board 12 fixed mounting and be in arbitrary one on to heavy fag end group 11, and realize reciprocating motion under to the drive of heavy fag end group 11, beat board 12 have installation department 121 and the portion 122 of bending, installation department 121 is L shape, and installs between upper nut 112 and lower nut 113, safety switch 15 when closing with the portion 122 of bending is connected, safety switch 15 when starting with installation department 121 connects, the structure setting of beating board 12 has realized elevator operation's safety and reliability more. The safety switch 15 has a roller 151, and the safety switch 15 is turned on and off by the contact of the roller 151 with the striking plate 12.

The bracket 14 is fixedly installed on the counterweight rope hitch plate 13, the counterweight rope hitch plate 13 is provided with a plurality of first installation holes (not shown), the bracket 14 is L-shaped and comprises a first bracket 141 and a second bracket 142, the first bracket 141 is provided with a plurality of second installation holes 143 corresponding to the first installation holes, the bracket 14 sequentially passes through the second installation holes 143 and the first installation holes by a first fastener 144 and is fixedly installed on the counterweight rope hitch plate 13, the first fastener 144 can be set according to practical situations, in the utility model, the bracket 14 and the counterweight rope hitch plate are fixedly connected together by bolts, the second bracket 142 is provided with a plurality of waist-shaped holes 145, the safety switch 15 sequentially passes through the second fastener 146 and the waist-shaped holes 145 and is fixedly installed on the second bracket 142, and the waist-shaped holes 145 are used for adjusting the installation position of the safety switch 15, so that a suitable and correct mounting position is found. The utility model discloses in, waist shape hole 145 sets up to two for realize the installation that safety switch 15 is more firm. Second fastener 146 can set up according to actual conditions the utility model discloses in, adopt the combination screw of cross coiled hair and nut with both fixed connection.

The installation steps of the safety device 1 for preventing the elevator from impacting the top are as follows: firstly, the counterweight rope end group 11 is installed on a counterweight rope head plate 13, then the beating plate 12 is fixedly installed between the upper nut 112 and the lower nut 113, then the bracket 14 is installed on the counterweight rope head plate 13, the safety switch 15 is installed on the bracket 14, the position of the safety switch 15 is adjusted to be in contact with the bent part 122, and finally the first fastener 144 and the second fastener 146 are tightened, so that the installation of the whole device is realized.

The working process of the safety device 1 for preventing the elevator from impacting the top comprises the following steps: when a counterweight housing (not shown) in the elevator completely presses on a buffer (not shown) in the elevator, the spring 111 on the counterweight rope head set 11 is affected, the upward movement of the spring 111 causes the striking plate 12 to move upward, so that the mounting part 121 of the striking plate is contacted with the safety switch 15, the safety switch 15 is started, and finally the elevator stops running, and the elevator is prevented from being jacked.

The utility model discloses an adjustment beater 12 and safety switch 15's position contact prevents that the situation of dashing the top from appearing in the elevator for elevator operation safe and reliable more has solved the idle load and has detained the operating mode traction force not enough, simple structure, and simple to operate has reduced manufacturing cost.

The technical contents and features of the present invention have been disclosed as above, however, those skilled in the art can still make various substitutions and modifications based on the teaching and disclosure of the present invention without departing from the spirit of the present invention, therefore, the protection scope of the present invention should not be limited to the contents disclosed in the embodiments, but should include various substitutions and modifications without departing from the present invention, and should be covered by the claims of the present patent application.

Claims

1. A safety device for preventing an elevator from rushing to top is characterized by comprising a counterweight rope head group, a beating plate arranged on the counterweight rope head group, a counterweight rope head plate arranged on the counterweight rope head group, a bracket fixedly arranged on the counterweight rope head plate and a safety switch arranged on the bracket; the clapper is in reciprocating motion under the drive to heavy fag end group, the support with be formed with the clearance between the clapper, the clapper has installation department and the portion of bending, safety switch when closing with the portion of bending contact, safety switch when starting with the installation department contact.

2. The safety device for preventing the top of an elevator from being punched according to claim 1, wherein the mounting part is L-shaped, and the clearance between the mounting part and the bracket is smaller than the clearance between the bent part and the bracket.

3. The safety device of claim 1, wherein the bracket is L-shaped having a first bracket with a plurality of second mounting holes and a second bracket with a plurality of kidney holes.

4. The safety device of claim 3, wherein the first bracket is fixedly mounted on the counterweight hitch plate by a first fastener passing through the second mounting hole.

5. The safety device of claim 3, wherein the safety switch is fixedly mounted on the second bracket through the slotted hole by a second fastener.

6. The safety device for preventing the top of an elevator from being punched according to claim 3, wherein the installation position of the safety switch is adjustable on the kidney-shaped hole.

7. The safety device of claim 1, wherein the counterweight roping has a spring, an upper nut and a lower nut, the spring is disposed below the upper nut and the lower nut, and the striking plate is fixedly mounted between the upper nut and the lower nut.

8. The safety device for preventing the top of an elevator from rushing out according to claim 1, wherein the safety switch is provided with a roller, and the roller is in contact with the striking plate to realize the opening and closing of the safety switch.