CN107662862B - Rail clamping device for elevator installation maintenance and emergency rescue - Google Patents
Rail clamping device for elevator installation maintenance and emergency rescue Download PDFInfo
- Publication number
- CN107662862B CN107662862B CN201610605868.3A CN201610605868A CN107662862B CN 107662862 B CN107662862 B CN 107662862B CN 201610605868 A CN201610605868 A CN 201610605868A CN 107662862 B CN107662862 B CN 107662862B
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- CN
- China
- Prior art keywords
- sheet metal
- hook
- emergency rescue
- rail
- clamping device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009434 installation Methods 0.000 title claims abstract description 20
- 238000012423 maintenance Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims description 31
- 210000001624 hip Anatomy 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000006748 scratching Methods 0.000 claims 1
- 230000002393 scratching effect Effects 0.000 claims 1
- 230000000452 restraining effect Effects 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
Abstract
The invention relates to a rail clamping device for elevator installation maintenance and emergency rescue, which comprises a hook connected with the top of an elevator through a steel wire rope and two clamping plates connected with the hook through two connecting arms, wherein the two connecting arms and the two clamping plates form a parallelogram, the hook is connected with the connecting arms and the clamping plates through rotating shafts, and the rail clamping device is coincided with the characteristics of the parallelogram, namely the larger the tension on the hook is, the larger the clamping force between the clamping plates is. Compared with the prior art, the invention aims to prevent the unexpected action of the elevator car in the installation, overhaul, maintenance and emergency rescue of the elevator car, protect personal safety and fill the gap of the special rail clamping device for the installation, maintenance and emergency rescue of the elevator in the elevator industry.
Description
Technical Field
The invention relates to the technical field of elevator safety protection devices, in particular to a rail clamping device for elevator installation maintenance and emergency rescue.
Background
Current elevators are all carried in the vertical direction along a track by motor traction. When the elevator is installed and maintained and emergency rescue is carried out, the safety tongs below the elevator clamp the guide rail, so that the elevator is stopped. However, the safety gear cannot guarantee the hundred percent safety of the elevator during maintenance, and particularly, after the elevator is braked emergently by the safety gear, the safety gear itself is damaged to some extent, and great risks still exist during maintenance and emergency rescue. Therefore, the second protection of the elevator is required urgently, so that the elevator installation and maintenance and emergency rescue are safer.
Disclosure of Invention
The invention aims to provide a rail clamping device for elevator installation maintenance and emergency rescue, which fills the gap of the rail clamping device special for elevator installation maintenance and emergency rescue in the elevator industry.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a clamp rail ware for elevator installation is maintained and emergency rescue, the clamp rail ware includes the couple of being connected through wire rope and the top of elevator, through two linking arms with two grip blocks that the couple is connected, two linking arms and two grip blocks form the parallelogram, couple and linking arm are all connected through the pivot with the grip block.
The invention uses the characteristics of parallelogram by coincidence, namely the larger the tensile force on the hook is, the larger the clamping force between the clamping plates is, when in use, the two clamping plates are respectively clamped on the two side surfaces of the elevator car guide rail, and the initial clamping force of the clamping plates is provided by a spiral torsion spring arranged in the rotating shaft; the hook is connected with the car through a special steel wire rope assembly, so that stable fixing of the car is realized. The spiral torsion springs are arranged near the 6 rotating shafts, and the number of the spiral torsion springs can be 1-6 according to the use calculation conditions.
When the elevator car stops running and is installed, inspected, maintained or emergency rescue is carried out, the two clamping plates of the rail clamping device are respectively clamped on the two side surfaces of the guide rail, and the hook is connected with the car through the special steel wire rope assembly. When the car accidentally drops or has an accidental falling trend, the car tightens the hook through the special steel wire rope component, the distance between the two clamping plates is reduced under the action of the parallelogram, and the clamping force is increased, so that the static friction force between the clamping plates and the guide rail is increased, the force of the action of the car is overcome, and the car is kept stationary.
The hook comprises a head part provided with a hole and a tail part connected with the connecting arm, and the head part is connected with the top of the elevator through a steel wire rope.
The connecting arm be the V font that the angle is greater than 90, including a limit and No. two limits, no. one the limit with the afterbody of couple is connected through the pivot, the orientation on No. two limits is the direction of keeping away from the couple head. The L-shaped included angle of the connecting arm is 110 degrees to 170 degrees.
Two ends of the second edge are respectively connected with the two clamping plates.
The two clamping plates are parallel to the tail of the hook.
One side of the two clamping plates, which are oppositely arranged, is provided with a groove, and the other side of the two clamping plates is provided with two first screw holes. The purpose of the grooves formed in the clamping plate is to increase the friction between the clamping surface and the guide rail. The first screw hole arranged on the other side is used for being fixed with the restraint device.
The cross-sectional shape of the groove includes rectangular, semicircular, triangular or trapezoidal. The included angle between the trend of the groove and the clamping surface is between-30 degrees and 30 degrees, and the grooves can also be arranged in a herringbone manner. The grooves have a width of 0.5mm to 3mm and a depth of 0.5mm to 4mm.
The clamping plate is subjected to heat treatment, and the hardness of the clamping surface after the heat treatment is between RHC20 and RHC 64.
The rail clamping device is also provided with a restraint device for preventing the rail clamping device from horizontally drawing out the guide rail. The restraining device is respectively connected with the two clamping plates through screws, and plays a role in restraining the lateral sliding of the clamping plates.
The restraining device comprises an isosceles trapezoid sheet metal part without an upper bottom edge and two V-shaped sheet metal parts, wherein two adjusting bolts which are in contact with the track are arranged at the lower bottom edge of the isosceles trapezoid sheet metal part, and two waists of the trapezoid sheet metal part are respectively connected with one edge of the V-shaped sheet metal part through connecting bolts; the other edges of the two V-shaped sheet metal parts are parallel to each other and perpendicular to the lower bottom edge of the isosceles trapezoid sheet metal part.
And a second screw hole is formed in one side of the V-shaped sheet metal part, which is perpendicular to the isosceles trapezoid sheet metal part, and the V-shaped sheet metal part is fixed with the clamping plate through a fixing bolt.
Compared with the prior art, the invention has the following beneficial effects:
(1) The two clamping plates are respectively connected to the hook through a group of connecting arms, so that the safety in the processes of installation, modulation, inspection, maintenance and emergency rescue can be effectively ensured by using the characteristics of a parallelogram, namely, the larger the tensile force on the hook is, the larger the clamping force between the clamping plates is;
(2) A restraining device is arranged to play a role in restraining the lateral sliding of the clamping plate, so that the safe use of the rail clamping device is ensured;
(3) The invention has simple structure, can play a good role in protection without using a complex mechanical structure, and has high application value.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic structural view of the restraining device of the present invention.
Wherein 1 is a hook, 11 is a head, 12 is a tail, 2 is a connecting arm, 21 is a side, 22 is a side, 3 is a clamping plate, 31 is a groove, 32 is a screw hole, 4 is a spiral torsion spring, 5 is an isosceles trapezoid sheet metal part, 51 is a lower bottom edge, 52 is a waist, 6 is a V-shaped sheet metal part, 61 is a screw hole, 7 is an adjusting bolt, 8 is a connecting bolt, 9 is a fixing bolt, and 10 is a rotating shaft.
Detailed Description
The following describes in detail the examples of the present invention, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present invention is not limited to the following examples.
Examples
A clamp rail ware for elevator installation is maintained and emergency rescue, its structure is as shown in figure 1, and clamp rail ware includes couple 1 that is connected through wire rope and the top of elevator, two grip blocks 3 that are connected through two linking arms 2 and couple 1, and two linking arms 2 form parallelogram with two grip blocks 3, and couple 1 is connected through pivot 10 with linking arm 2 and grip block 3.
The device uses the characteristics of a parallelogram by coincidence, namely, the larger the tension on the hook 1 is, the larger the clamping force between the clamping plates 3 is, when in use, the two clamping plates 3 are respectively clamped on two side surfaces of the elevator car guide rail, and the initial clamping force of the clamping plates 3 is provided by a spiral torsion spring 4 arranged at the position of a rotating shaft 10; the hook 1 is connected with the car through a special steel wire rope assembly, so that the stable fixing of the car is realized. The spiral torsion springs 4 are installed near the 6 rotating shafts 10, and the number of the spiral torsion springs 4 may be 1 to 6 according to the use calculation conditions.
When the elevator car stops running and is installed, inspected, maintained or emergency rescue is carried out, the two clamping plates 3 of the rail clamping device are respectively clamped on the two side surfaces of the guide rail, and the hook 1 is connected with the car through a special steel wire rope assembly. When the car accidentally drops or has an accidental falling trend, the car tightens the hook 1 through the special steel wire rope component, the distance between the two clamping plates 3 is reduced through the parallelogram effect, the clamping force is increased, so that the static friction force between the clamping plates 3 and the guide rail is increased, the force of the action of the car is overcome, and the car is kept stationary.
The hook 1 comprises a head part 11 provided with a hole and a tail part 12 connected with the connecting arm 2, and the head part 11 is connected with the top of the elevator through a steel wire rope.
The connecting arm 2 is in a V shape with an angle larger than 90 degrees, and comprises a first side 21 and a second side 22, wherein the first side 21 is connected with the tail 12 of the hook 1 through the rotating shaft 10, and the second side 22 faces away from the head 11 of the hook 1. The L-shaped included angle of the connecting arm 2 is 110 degrees to 170 degrees.
Two ends of the second edge 22 are respectively connected with the two clamping plates 3.
The two clamping plates 3 are parallel to the tail 12 of the hook 1.
One side of the two clamping plates 3 which are oppositely arranged is provided with a groove 31, and the other side is provided with two first screw holes 32. The purpose of the grooves 31 formed in the clamping plate 3 is to increase the friction between the clamping surface and the rail. The first screw hole 32 on the other side is used for fixing with the restraint device.
The cross-sectional shape of the groove 31 includes a rectangular shape, a semicircular shape, a triangular shape, or a trapezoidal shape. The angle between the trend of the groove 31 and the clamping surface is-30 degrees, and the groove can also be arranged in a herringbone shape. The grooves 31 have a size of 0.5mm to 3mm in width and 0.5mm to 4mm in depth.
The clamping plate 3 is subjected to a heat treatment, and the hardness of the clamping surface after the heat treatment is between RHC20 and RHC 64.
The rail clamp is also provided with a restraining device for preventing the rail clamp from horizontally scoring out of the guide rail. The restraining device is respectively connected with the two clamping plates 3 through screws, and plays a role in restraining the lateral sliding of the clamping plates 3. The structure of the restraining device is shown in fig. 2, and the restraining device comprises an isosceles 52 trapezoid sheet metal part 5 without an upper bottom edge and two V-shaped sheet metal parts 6, wherein the lower bottom edge 51 of the isosceles 52 trapezoid sheet metal part 5 is provided with two adjusting bolts 7 which are in contact with a track, and two waists 52 of the trapezoid sheet metal part are respectively connected with one edge of the V-shaped sheet metal part through connecting bolts 8; the other edges of the two V-shaped sheet metal parts 6 are parallel to each other and perpendicular to the lower bottom edge 51 of the isosceles 52 trapezoid sheet metal part 5.
The V-shaped sheet metal part 6 is provided with a second screw hole 61 on one side perpendicular to the isosceles 52 trapezoid sheet metal part 5, and is fixed with the clamping plate 3 through a fixing bolt 9, namely the fixing bolt 9 connects and fixes the first screw hole 32 and the second screw hole 61.
Claims (8)
1. The rail clamping device for elevator installation maintenance and emergency rescue is characterized by comprising a hook connected with the top of an elevator through a steel wire rope and two clamping plates connected with the hook through two connecting arms, wherein the two connecting arms and the two clamping plates form a parallelogram structure with a transmission relation with each other, and the hook is connected with the connecting arms and the clamping plates through rotating shafts;
four rotating shafts positioned at the joint of the two connecting arms and the two clamping plates respectively form four vertexes of the parallelogram structure;
the rail clamping device is also provided with a constraint device for preventing the rail clamping device from horizontally scratching out the guide rail, the constraint device comprises an isosceles trapezoid sheet metal part without an upper bottom edge and two V-shaped sheet metal parts, two adjusting bolts which are in contact with the rail are arranged on the lower bottom edge of the isosceles trapezoid sheet metal part, and two waists of the trapezoid sheet metal part are respectively connected with one edge of the V-shaped sheet metal part through connecting bolts; the other edges of the two V-shaped sheet metal parts are parallel to each other and perpendicular to the lower bottom edge of the isosceles trapezoid sheet metal part.
2. The rail clamping device for elevator installation maintenance and emergency rescue according to claim 1, wherein the hook comprises a head part provided with a hole and a tail part connected with the connecting arm, and the head part is connected with the top of the elevator through a steel wire rope.
3. The rail clamping device for elevator installation maintenance and emergency rescue according to claim 2, wherein the connecting arm is in a V shape with an angle larger than 90 degrees and comprises a first side and a second side, the first side is connected with the tail of the hook through a rotating shaft, and the second side faces away from the head of the hook.
4. A rail clamping device for elevator installation and maintenance and emergency rescue according to claim 3, wherein two ends of the second edge are respectively connected with two clamping plates.
5. The rail clamping device for elevator installation maintenance and emergency rescue according to claim 2, wherein two clamping plates are parallel to the tail of the hook.
6. The rail clamping device for elevator installation and maintenance and emergency rescue according to claim 5, wherein grooves are formed in one side of the two clamping plates, which are arranged oppositely, and two first screw holes are formed in the other side of the two clamping plates.
7. The rail clamp for elevator installation maintenance and emergency rescue of claim 6, wherein the cross-sectional shape of the groove comprises a rectangular, semi-circular, triangular or trapezoidal shape.
8. The rail clamping device for elevator installation maintenance and emergency rescue according to claim 1, wherein a second screw hole is formed in one side, perpendicular to the isosceles trapezoid sheet metal part, of the V-shaped sheet metal part, and the V-shaped sheet metal part is fixed with the clamping plate through a fixing bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610605868.3A CN107662862B (en) | 2016-07-28 | 2016-07-28 | Rail clamping device for elevator installation maintenance and emergency rescue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610605868.3A CN107662862B (en) | 2016-07-28 | 2016-07-28 | Rail clamping device for elevator installation maintenance and emergency rescue |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107662862A CN107662862A (en) | 2018-02-06 |
| CN107662862B true CN107662862B (en) | 2024-03-26 |
Family
ID=61114304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610605868.3A Active CN107662862B (en) | 2016-07-28 | 2016-07-28 | Rail clamping device for elevator installation maintenance and emergency rescue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107662862B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200812902A (en) * | 2006-09-06 | 2008-03-16 | Yung Tay Engineering Co Ltd | System of hanging-type main engine of elevator |
| CN201338891Y (en) * | 2008-04-24 | 2009-11-04 | 义乌市双林起重设备安装工程有限公司 | Progressive safety device |
| CN201914796U (en) * | 2010-12-21 | 2011-08-03 | 赵敬贤 | Double-insurance anti-falling safety device and construction lifter using the same |
| CN202214111U (en) * | 2011-08-05 | 2012-05-09 | 李建忠 | Elevator steel wire rope brake |
| CN103466495A (en) * | 2013-08-12 | 2013-12-25 | 杭州沪宁电梯配件有限公司 | Power-losing rail clamping device |
| CN206032938U (en) * | 2016-07-28 | 2017-03-22 | 上海龙钰电梯配件有限公司 | A clamping rail ware that is used for elevator installation to maintain and emergency rescue |
-
2016
- 2016-07-28 CN CN201610605868.3A patent/CN107662862B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200812902A (en) * | 2006-09-06 | 2008-03-16 | Yung Tay Engineering Co Ltd | System of hanging-type main engine of elevator |
| CN201338891Y (en) * | 2008-04-24 | 2009-11-04 | 义乌市双林起重设备安装工程有限公司 | Progressive safety device |
| CN201914796U (en) * | 2010-12-21 | 2011-08-03 | 赵敬贤 | Double-insurance anti-falling safety device and construction lifter using the same |
| CN202214111U (en) * | 2011-08-05 | 2012-05-09 | 李建忠 | Elevator steel wire rope brake |
| CN103466495A (en) * | 2013-08-12 | 2013-12-25 | 杭州沪宁电梯配件有限公司 | Power-losing rail clamping device |
| CN206032938U (en) * | 2016-07-28 | 2017-03-22 | 上海龙钰电梯配件有限公司 | A clamping rail ware that is used for elevator installation to maintain and emergency rescue |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107662862A (en) | 2018-02-06 |
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