CN201494981U - Traction type construction elevator and gradual anti-falling safety device thereof - Google Patents
Traction type construction elevator and gradual anti-falling safety device thereof Download PDFInfo
- Publication number
- CN201494981U CN201494981U CN2009200902363U CN200920090236U CN201494981U CN 201494981 U CN201494981 U CN 201494981U CN 2009200902363 U CN2009200902363 U CN 2009200902363U CN 200920090236 U CN200920090236 U CN 200920090236U CN 201494981 U CN201494981 U CN 201494981U
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- China
- Prior art keywords
- guide rod
- friction plate
- spring
- safety device
- falling safety
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Abstract
The utility model discloses a gradual anti-falling safety device, comprising an automatic rail-clamping device on which a guide rod is vertically fixed. A spring clamping device used for connecting a suspension cage of the elevator is sheathed on the guide rod, and the spring clamping device comprises a spring seat which is sheathed on the guide rod, wherein a friction plate is arranged in the spring seat; the friction plate is tightly pressed on the guide rod through an elastic piece; and a fitting surface between the friction plate and the guide rod is an inclined plane which is arranged on the guide rod, extends axially along the guide rod and is gradually far from the axial center of the guide rod. By adopting the structure, the gradual anti-falling safety device has a simple structure; after the automatic rail-clamping device locks the rail, the suspension cage firstly continues to slide down along the guide rod for a section through the spring seat which is fixedly connected with the suspension cage, then stops sliding under the clamping and fitting between the spring seat and the guide rod and generates buffer to the suspension cage or the person or cargo in the suspension cage, thereby realizing the gradual stopping of the suspension cage easily.
Description
Technical field
The utility model relates to the traction-type construction lifting machine that use a kind of building ground.
Background technology
At present, the cage of the traction-type construction lifting machine that people's goods that use domestic each building ground is dual-purpose all adopts the anti-dropping safety device of instantaneous braking, the anti-dropping safety device of this instantaneous braking comprises instantaneous automatic track-catching device, and the cage of elevator is fixedly connected on this instantaneous grabbing automatically on the rail device.
The patent No. of on August 15th, 2007 bulletin is that 200620104058.1 Chinese utility model patent specification sheets discloses a kind of falling protector, this falling protector comprises falling protector master basket and the roller that is fixed on this master's basket, on falling protector master basket, also be close to track and be provided with fixture block, fixture block is outside equipped with tapered wedges, be connected with shift fork under the fixture block, shift fork links to each other with tractive magnet.Glancing impact, the end that electromagnet promotes shift fork moves downward, and the other end of shift fork upwarps and promotes the fixture block grip track.But the falling protector stopping distance of this instantaneous braking is short, the impulsive force that glancing impact produces is bigger, when in cage, being mounted with weight especially, because its gravity strengthens, the acceleration due to gravity that produces when steel rope ruptures suddenly increases thereupon, the impulsive force that cage produces at instantaneous glancing impact is greater than the holding capacity of human body, the health of driver and conductor in the cage is very easy to because of can't stand that the impulsive force that instantaneous braking produces causes somatic damage, simultaneously, excessive impulsive force also damages elevator craning cage and track easily, and the suitable elevator that makes causes secondary to damage.
The utility model content
The purpose of this utility model is at above-mentioned defective, and a kind of traction-type construction lifting machine and gradual anti-falling device thereof that can slow down the braking impulsive force, protect human body to preserve from is provided.
The technical solution of the utility model is: a kind of gradual anti-falling safety device, what comprise instantaneous braking grabs the rail device automatically, this is grabbed automatically and vertically is fixed with a guide rod on the rail device, be set with the fixture of the spring that is used to connect elevator craning cage on this guide rod, this fixture of the spring comprises the spring perch that is set on the guide rod, be provided with the friction plate that can move radially in this spring perch, the elastic component of friction plate by expandable near roof pressure on guide rod, the vertical inclined-plane or the conical surface that downwards extend also gradually away from guide rod axle center of the frictional fit face of described guide rod and friction plate corresponding matching on guide rod, being provided with.
Described guide rod is big top and small bottom taper or wedge structure on the whole.
But in described spring perch, also be provided with a regulator board, but described elastic component top is contained between this regulator board and the friction plate.
Described elastic component is a disc spring film.
Bottom at described guide rod radially is equipped with anti-fall safety plug.
The described rail device of grabbing automatically comprises main frame, symmetry is installed with the wedge seat on the main frame, slidable fit is useful on the fixture block of grip track on the wedge seat, be connected with the shift fork that is used to stir fixture block on the fixture block, also slidable fit has one to promote the action axle that shift fork moves on described main frame, and described guide rod vertically is fixed on this action axle.
A kind of traction-type construction lifting machine, comprise crane, by guide rail the dual-purpose cage of people's goods is installed on the crane, be provided with anti-falling safety device between crane and the cage, what described anti-falling safety device comprised instantaneous braking grabs the rail device automatically, this is grabbed automatically and vertically is fixed with a guide rod on the rail device, be set with the fixture of the spring that is used to connect elevator craning cage on this guide rod, this fixture of the spring comprises the spring perch that is set on the guide rod, be provided with the friction plate that can move radially in this spring perch, the elastic component of friction plate by expandable near roof pressure on guide rod, the vertical inclined-plane or the conical surface that downwards extend also gradually away from guide rod axle center of the frictional fit face of described guide rod and friction plate corresponding matching on guide rod, being provided with.
Described guide rod is big top and small bottom taper or wedge structure on the whole, radially is equipped with anti-fall safety plug in the bottom of described guide rod.
Described elastic component is a disc spring film, described fixture of the spring comprises the spring perch that is set on the taper guide bar, but be provided with regulator board and friction plate in this spring perch, but described regulator board is by regulating bolted connection on spring perch, but described disc spring film roof pressure is assemblied between regulator board and the friction plate and with the friction plate roof pressure on the taper guide bar outside face.
The described rail device of grabbing automatically comprises main frame, symmetry is installed with the wedge seat on the main frame, slidable fit is useful on the fixture block of grip track on the wedge seat, be connected with the shift fork that is used to stir fixture block on the fixture block, also slidable fit has one to promote the action axle that shift fork moves on described main frame, and described guide rod vertically is fixed on this action axle.
Adopt said structure, it is simple in structure for gradual anti-falling safety device of the present utility model, it is after grabbing rail device locking track automatically, cage continues after one section of guide rod downslide by the spring perch that is connected with it, under the clamping engagement between spring perch and the guide rod, stop, people in cage and the cage or goods are cushioned, realize that easily the gradual of cage stops; When the safety plug that wears at the end of guide rod can prevent that the gripping power of spring perch from reducing, be unlikely to deviate from guide rod, prevent that cage from falling; This gradual anti-falling safety device actv. slows down cage when stopping to the impact of human body and equipment, avoids the person and equipment to be subjected to the injury of impulsive force.
Description of drawings
Fig. 1 is the structural representation of traction-type construction lifting machine in the utility model;
Fig. 2 is the structural representation of gradual anti-falling safety device in the utility model;
Fig. 3 grabs the K of rail device to view automatically among Fig. 2;
Fig. 4 is the left view of Fig. 2.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, slidable fit has the dual-purpose cage 6 of people's goods on the track 4 of traction-type construction lifting machine, between cage and track 4, also be provided with gradual anti-falling safety device 1 and velocity limiter 2, be connected with kinematic link 3 between gradual anti-falling safety device 1 and the velocity limiter 2.Gradual anti-falling safety device 1 comprises grabs the rail device automatically, this is grabbed the rail device automatically and comprises main frame 11, one side of main frame 11 is provided with two wedge seats 12 of four rollers that cooperate with track 101 and symmetry, on the two wedge seats 12 respectively slidable fit be useful on the fixture block 102 of grip track, on the main frame of the bottom of two fixture blocks 102 respectively correspondence be rotatably equipped with shift fork 103, be connected with interlock bolt 105 between two shift forks 103, also slidable fit has one can promote the action axle 13 that shift fork rotates on main frame 11, on this action axle 13, vertically be fixed with a taper or wedge shape guide rod 15, be set with a spring perch 16 on the guide rod 15, by regulating bolt regulating plate 17 is arranged on the spring perch 16, regulating plate 17 is equipped with friction plate 20 by belleville spring 18 roof pressures, this friction plate 20 only depends on roof pressure on guide rod 15, end at guide rod 15 also is equipped with anti-fall safety plug 19, and the cage 6 of building hoist is fixedly connected on the spring perch 16.
In building hoist work, when if the steel rope of traction cage disconnects suddenly, cage 6 drives action axle 13 by the friction force between spring perch 16 and the guide rod 15 and glides, action axle 13 is depressed an end of shift fork 103, make the other end perk of shift fork 103 promote to go up fixture block 102 sliding, grip track, after the automatic rail clamping device grip track, cage 6 by gravitys drive spring perch 16 to be continued to glide along guide rod 15, because guide rod is up-small and down-big taper or wedge shape, friction force between spring perch 16 and the guide rod 15 is increasing, and last spring perch 16 clamps guide rod and stops to slide, and cage stops gliding simultaneously.Anti-fall safety plug 19 can open safety effect to the end, blocks spring perch 16 downslides and deviates from guide rod 15.
Gradual anti-falling safety device of the present utility model is applicable to traction-type construction lifting machine, and it is a domestic initiation, and every safety performance meets or exceeds up-to-date national safety standard, is suitable for comprehensively applying.
Claims (10)
1. gradual anti-falling safety device, it is characterized in that, what comprise instantaneous braking grabs the rail device automatically, this is grabbed automatically and vertically is fixed with a guide rod on the rail device, be set with the fixture of the spring that is used to connect elevator craning cage on this guide rod, this fixture of the spring comprises the spring perch that is set on the guide rod, be provided with the friction plate that can move radially in this spring perch, the elastic component of friction plate by expandable near roof pressure on guide rod, the vertical inclined-plane or the conical surface that downwards extend also gradually away from guide rod axle center of the frictional fit face of described guide rod and friction plate corresponding matching on guide rod, being provided with.
2. gradual anti-falling safety device according to claim 1 is characterized in that, described guide rod is big top and small bottom taper or wedge structure on the whole.
3. gradual anti-falling safety device according to claim 1 and 2 is characterized in that, but also is provided with a regulator board in described spring perch, but described elastic component top is contained between this regulator board and the friction plate.
4. gradual anti-falling safety device according to claim 3 is characterized in that, described elastic component is a disc spring film.
5. gradual anti-falling safety device according to claim 1 and 2 is characterized in that, radially is equipped with anti-fall safety plug in the bottom of described guide rod.
6. gradual anti-falling safety device according to claim 1, it is characterized in that, the described rail device of grabbing automatically comprises main frame, symmetry is installed with the wedge seat on the main frame, slidable fit is useful on the fixture block of grip track on the wedge seat, be connected with the shift fork that is used to stir fixture block on the fixture block, also slidable fit has one to promote the action axle that shift fork moves on described main frame, and described guide rod vertically is fixed on this action axle.
7. traction-type construction lifting machine, comprise crane, by guide rail the dual-purpose cage of people's goods is installed on the crane, be provided with anti-falling safety device between crane and the cage, it is characterized in that, what described anti-falling safety device comprised instantaneous braking grabs the rail device automatically, this is grabbed automatically and vertically is fixed with a guide rod on the rail device, be set with the fixture of the spring that is used to connect elevator craning cage on this guide rod, this fixture of the spring comprises the spring perch that is set on the guide rod, be provided with the friction plate that can move radially in this spring perch, the elastic component of friction plate by expandable near roof pressure on guide rod, the vertical inclined-plane or the conical surface that downwards extend also gradually away from guide rod axle center of the frictional fit face of described guide rod and friction plate corresponding matching on guide rod, being provided with.
8. traction-type construction lifting machine according to claim 7 is characterized in that, described guide rod is big top and small bottom taper or wedge structure on the whole, radially is equipped with anti-fall safety plug in the bottom of described guide rod.
9. traction-type construction lifting machine according to claim 8, it is characterized in that, described elastic component is a disc spring film, described fixture of the spring comprises the spring perch that is set on the taper guide bar, but be provided with regulator board and friction plate in this spring perch, but described regulator board is by regulating bolted connection on spring perch, but described disc spring film roof pressure is assemblied between regulator board and the friction plate and with the friction plate roof pressure on the taper guide bar outside face.
10. traction-type construction lifting machine according to claim 7, it is characterized in that, the described rail device of grabbing automatically comprises main frame, symmetry is installed with the wedge seat on the main frame, slidable fit is useful on the fixture block of grip track on the wedge seat, be connected with the shift fork that is used to stir fixture block on the fixture block, also slidable fit has one to promote the action axle that shift fork moves on described main frame, and described guide rod vertically is fixed on this action axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200902363U CN201494981U (en) | 2009-05-14 | 2009-05-14 | Traction type construction elevator and gradual anti-falling safety device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200902363U CN201494981U (en) | 2009-05-14 | 2009-05-14 | Traction type construction elevator and gradual anti-falling safety device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201494981U true CN201494981U (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200902363U Expired - Lifetime CN201494981U (en) | 2009-05-14 | 2009-05-14 | Traction type construction elevator and gradual anti-falling safety device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201494981U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554968B (en) * | 2009-05-14 | 2013-05-22 | 郑州市鑫宇机械制造有限公司 | Traction-type construction lifting machine and gradual anti-falling safety device thereof |
| CN103434910A (en) * | 2013-08-12 | 2013-12-11 | 谭锦泉 | Elevator with gradual type anti-falling safety device |
| CN103991769A (en) * | 2014-05-28 | 2014-08-20 | 六安市鸿兴精密机械有限公司 | Falling prevention device |
-
2009
- 2009-05-14 CN CN2009200902363U patent/CN201494981U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554968B (en) * | 2009-05-14 | 2013-05-22 | 郑州市鑫宇机械制造有限公司 | Traction-type construction lifting machine and gradual anti-falling safety device thereof |
| CN103434910A (en) * | 2013-08-12 | 2013-12-11 | 谭锦泉 | Elevator with gradual type anti-falling safety device |
| CN103991769A (en) * | 2014-05-28 | 2014-08-20 | 六安市鸿兴精密机械有限公司 | Falling prevention device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100602 Effective date of abandoning: 20090514 |
|
| RGAV | Abandon patent right to avoid regrant |