CN102787777B - Falling protector for industrial door - Google Patents
Falling protector for industrial door Download PDFInfo
- Publication number
- CN102787777B CN102787777B CN201110131642.1A CN201110131642A CN102787777B CN 102787777 B CN102787777 B CN 102787777B CN 201110131642 A CN201110131642 A CN 201110131642A CN 102787777 B CN102787777 B CN 102787777B
- Authority
- CN
- China
- Prior art keywords
- slide block
- claw
- baffle plate
- lower claw
- cover plate
- Prior art date
- 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.)
- Active
Links
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention relates to a falling protector for an industrial door. The falling protector for the industrial door comprises pull rods, a connecting rod, pull rod springs, a slide block, clamping jaws and the like, wherein the connecting rod is penetrated by the pull rods, the heads of the pull rods are fixed, and the tails of the pull rods are connected with the slide block through screws; baffles include an upper baffle, a middle baffle and a lower baffle, and the upper baffle is penetrated by the connecting rod; the pull rod springs are arranged below the upper baffle, sleeved on the pull rods and penetrated in the middle baffle, and the tail ends of the pull rod springs support against the transverse plane of the slide block; a cavity is arranged in the middle part of the slide block, and the lower end of the slide block is of an L-shaped supporting leg structure; the upper clamping jaw is arranged in the cavity of the slide block and mounted through an upper jaw shaft, a spring hole is arranged in the upper end of the upper clamping jaw, and a spring is arranged in the spring hole; the middle part of the lower clamping jaw is mounted at a cover plate through a lower jaw fixed shaft, and a lower jaw shaft is arranged at the root of the lower clamping jaw and limited in the cavity of the slide block; the lower baffle is arranged below the lower clamping jaw; and the cover plate comprises an upper cover plate and a lower cover plate that are taken as the fixed foundation of the device, and shaft holes are correspondingly distributed in the two cover plates. The falling protector for the industrial door has the characteristics of rational structure, smoothness, reliability and capability of effectively preventing the accidental falling of the industrial door and guaranteeing the personal safety and the property safety.
Description
Technical field
The invention belongs to industrial door technical field, particularly a kind of falling protector for industrial door.
Background technology
In recent years, along with the modernization level in industrial production and warehouse logistics field improves constantly, modern industry door starts generally to apply in China Logistics field.In general Logistics Project, using at present maximum is industrial lift door, and this door is easy for installation, can effectively utilize the interior space, can select suitable control mode according to actual service condition, and can with control software interface, meet modern storage demand.Industrial lift door is generally by pulley wire rope and its lifting process of sprocket wheel chain mechanism controls, in the course of work, if mechanism breaks down or when wire rope and chain breakage door body may, because of the landing rapidly of conducting oneself with dignity, cause door vehicle, staff's etc. below injury danger.
Summary of the invention
The present invention is directed to the problem that existing industrial door exists; a kind of falling protector for industrial door is provided; with the wire rope and chain or the lifting arm generation fracture back door body phenomenon of falling causing out of control that prevent that industrial door from using because of lever gear door body in vertical ascending, descending process, lives and properties and a door body self are had to safeguard protection effect.
For achieving the above object, the technical solution used in the present invention is: a kind of catching device, comprise pull bar, connecting rod, baffle plate, pull-rod spring, slide block, upper clipping claw, dewclaw axle, lower claw, lower claw fixed axis, lower claw axle and cover plate, on connecting rod, be symmetrically arranged with two tie rod holes, pull bar vertically runs through connecting rod and head is fixed, and afterbody is fixedly connected with slide block; Baffle plate comprises overhead gage, middle baffle plate and lower baffle plate, and overhead gage is fixed on cover plate top by fixed axis, and connecting rod runs through overhead gage; Middle baffle plate is fixed on the cover board by fixed axis, and pull-rod spring is arranged on overhead gage below, is sleeved on pull bar and together with pull bar and runs through middle baffle plate, and end withstands on the transverse plane of slide block; Upper end of slide block is provided with screw, and middle part is provided with cavity, and lower end is L-type leg structure; Upper clipping claw is symmetricly set in slide block cavity, installs on the cover board by dewclaw axle, and upper clipping claw upper end is provided with spring eye, is provided with spring in spring eye, and slide block cavity inner wall is withstood in spring upper end; Lower claw is scissor structure, and two claw middle part stacks are installed on the cover board by lower claw fixed axis, and claw can rotate around fixed axis, and lower claw root is provided with lower claw axle, and lower claw axle is limited in the outside cavity part of the L shaped supporting leg of slide block; Lower claw below is provided with lower baffle plate, and lower baffle plate is connected with cover plate by fixed axis; Cover plate comprises upper cover plate and lower cover, and as the immobilizing foundation of other parts, on two cover plates, correspondence is furnished with axis hole.
Described slide block is made up of head, neck, arm and shank, and head is provided with screw, and both sides are drop ear shape structure, and neck both sides are U-shaped cavity, and arm two diagonal positions offer rectangular channel, and rectangular channel and L shaped shank form the activity space of lower claw axle.
Described upper clipping claw is irregular tooth-shape structure, is made up of flat tooth, pointed tooth and standing part, and flat tooth is provided with spring eye, and tapered plane is cut in pointed tooth end, and the angle of inclination of tapered plane is less than its Self-locking angle, and standing part is provided with dewclaw axis hole.
Described lower claw is scissor structure, and front portion is provided with lower claw axle installing hole, and middle part is provided with fixed shaft hole, and afterbody is set to latch, and tapered plane is cut in latch end, and angle of inclination is less than its Self-locking angle.
Operating principle of the present invention is as follows:
Catching device provided by the invention is arranged on industrial every body both sides, the wire rope that lever gear door body is used is connected with connecting rod with chain, door body applies external force to connecting rod in working order time all the time, pull bar is fixedly connected with slide block, make slide block along cover plate upward sliding by the effect of connecting rod, pull bar, cause pull-rod spring compression, slide block drives claw to rotate simultaneously, claw is recovered in cavity, and now catching device moves with door body; When door body is in stopping or motion state, when the wire rope of lever gear door body and chain surprisingly rupture, catching device loses External Force Acting, slide block down sliding will be upheld rapidly and promote to pull-rod spring, order about the pointed tooth of upper clipping claw and the latch of lower claw produces in chamber, catching device glides in orbit and snaps in rapidly H type orbit sidewall, because claw tooth portion angle is less than its Self-locking angle, therefore realize the locked of door body, prevent that it from falling.
Catching device provided by the invention is rational in infrastructure, rely on the energy that Compress Spring stores to drive claw to realize pure mechanical braking safely and effectively completely, braking procedure is steadily reliable, can effectively prevent the danger of industrial door accidental falling, significant to ensureing the person and property safety.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention;
Fig. 2 is the assembly structure schematic diagram that the catching device of the embodiment of the present invention is removed upper cover plate;
Fig. 3 is the slide block structure schematic diagram of the embodiment of the present invention;
Fig. 4 is the upper clipping claw structural representation of the embodiment of the present invention;
Fig. 5 is the lower claw structure schematic diagram of the embodiment of the present invention;
In Fig. 1, Fig. 2: 1 pull bar, 2 connecting rods, 3 overhead gages, 4 overhead gage fixed axis, 5 pull-rod springs, baffle plate in 6, baffle plate fixed axis in 7,8 slide blocks, 9 upper clipping claws, 10 dewclaw axles, 11 times claws, 12 lower claw axles, 13 lower claw fixed axis, 14 lower baffle plates, 15 lower baffle plate fixed axis, 16 upper cover plates, 17 lower covers;
In Fig. 3: 8a head, 8b neck, 8c arm, 8d shank, 8e screw;
In Fig. 4: the flat tooth of 9a, 9b pointed tooth, 9c standing part, 9d spring eye, 9e dewclaw axis hole;
In Fig. 5: 11a lower claw axis hole; 11b fixed shaft hole, 11c latch.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1 and Figure 2, catching device provided by the invention comprises pull bar 1, connecting rod 2, baffle plate, pull-rod spring 5, slide block 8, upper clipping claw 9, dewclaw axle 10, upper latch spring, lower claw 11, lower claw axle 12, lower claw fixed axis 13 and cover plate, on connecting rod 2, be symmetrically arranged with two tie rod holes, pull bar 1 vertically runs through connecting rod 2 and head adopts nut to fix, and afterbody is fixedly connected with slide block 8 by screw thread; Baffle plate comprises overhead gage 3, middle baffle plate 6 and lower baffle plate 14, and overhead gage 3 is fixed on cover plate top by overhead gage fixed axis 4, and connecting rod 2 runs through overhead gage 3; Middle baffle plate 6 is fixed on the cover board by middle baffle plate fixed axis 7, and pull-rod spring 5 is arranged on overhead gage 3 belows, is sleeved on pull bar 1 and together with pull bar 1 and runs through middle baffle plate 6, and end withstands on the transverse plane of slide block 8; Slide block 8 upper ends are provided with screw 8e, and middle part is provided with cavity, and lower end is L-type leg structure; Upper clipping claw 9 is arranged in slide block 8 cavitys, fixes on the cover board by dewclaw axle 10, and upper clipping claw 9 upper ends are provided with spring eye 9d, in spring eye 9d, are provided with spring, and slide block 8 cavity inner walls are withstood in spring upper end; Lower claw 11 is scissor structure, and two claw middle part stacks are installed on the cover board by lower claw fixed axis 13, and claw can rotate around lower claw fixed axis 13, and lower claw root is provided with lower claw axle 12, and lower claw axle 12 is limited in the cavity part of slide block 8L shape supporting leg; Lower claw 11 belows are provided with lower baffle plate 14, and lower baffle plate 14 is connected with cover plate by lower baffle plate fixed axis 15; Cover plate comprises upper cover plate 16 and lower cover 17, and as the immobilizing foundation of other parts, on two cover plates, correspondence is furnished with axis hole.
As shown in Figure 3, described slide block 8 is made up of head 8a, neck 8b, arm 8c and shank 8d, head 8a is provided with screw 8e, both sides are drop ear shape structure, neck 8b both sides are U-shaped cavity, arm 8c two diagonal positions offer rectangular channel, and rectangular channel and L shaped shank 8d form the activity space of lower claw axle 12.
As shown in Figure 4, described upper clipping claw 9 is irregular tooth-shape structure, is made up of flat tooth 9a, pointed tooth 9b and standing part 9c, flat tooth 9a is provided with spring eye 9d, and pointed tooth 9b installs outwardly, and tapered plane is cut in end, the angle of inclination of tapered plane is less than its Self-locking angle, and standing part 9c is provided with dewclaw axis hole 9e.
As shown in Figure 5, described lower claw 11 is scissor structure, and front portion is provided with lower claw axis hole 11a, and middle part is provided with fixed shaft hole 11b, and afterbody is set to latch 11c, and latch 11c cuts tapered plane in end, and angle of inclination is less than its Self-locking angle.
Operating principle of the present invention is as follows:
Catching device provided by the invention is arranged on industrial every body both sides, the wire rope that lever gear door body is used is connected with connecting rod 2 with chain, door body applies external force to all the time in working order time connecting rod 2, pull bar 1 is fixedly connected with slide block 8, make slide block 8 along cover plate upward sliding by the effect of connecting rod 2, pull bar 1, cause pull-rod spring 5 to compress, slide block 8 drives upper clipping claw 9, lower claw 11 to rotate by its arm 8c and shank 8d respectively simultaneously, claw is recovered in cavity, and now catching device moves with door body; When door body is in stopping or motion state, when the wire rope of lever gear door body and chain surprisingly rupture, catching device loses External Force Acting, slide block 8 down slidings will be upheld rapidly and promote to pull-rod spring 5, order about the pointed tooth 9b of upper clipping claw 9 and the latch 11c of lower claw 11 produces in chamber, catching device glides in orbit and upper clipping claw 9 and lower claw 11 snap in rapidly H type orbit sidewall, because two claw tooth portion angles are less than its Self-locking angle, therefore realize the locked of door body, prevent that it from falling.
Claims (4)
1. a falling protector for industrial door, it is characterized in that: comprise pull bar, connecting rod, baffle plate, pull-rod spring, slide block, upper clipping claw, dewclaw axle, lower claw, lower claw fixed axis, lower claw axle and cover plate, on connecting rod, be symmetrically arranged with two tie rod holes, pull bar vertically runs through connecting rod and head is fixed, and afterbody is fixedly connected with slide block; Baffle plate comprises overhead gage, middle baffle plate and lower baffle plate, and overhead gage is fixed on cover plate top by fixed axis, and connecting rod runs through overhead gage; Middle baffle plate is fixed on the cover board by fixed axis, and pull-rod spring is arranged on overhead gage below, is sleeved on pull bar and together with pull bar and runs through middle baffle plate, and end withstands on the transverse plane of slide block; Upper end of slide block is provided with screw, and middle part is provided with cavity, and lower end is L-type leg structure; Upper clipping claw is symmetricly set in slide block cavity, installs on the cover board by dewclaw axle, and upper clipping claw upper end is provided with spring eye, is provided with spring in spring eye, and slide block cavity inner wall is withstood in spring upper end; Lower claw is scissor structure, and two claw middle part stacks are installed on the cover board by lower claw fixed axis, and claw can rotate around fixed axis, and lower claw root is provided with lower claw axle, and lower claw axle is limited in the outside cavity part of the L shaped supporting leg of slide block; Lower claw below is provided with lower baffle plate, and lower baffle plate is connected with cover plate by fixed axis; Cover plate comprises upper cover plate and lower cover, and as the immobilizing foundation of other parts, on two cover plates, correspondence is furnished with axis hole.
2. falling protector for industrial door according to claim 1, it is characterized in that: described slide block is made up of head, neck, arm and shank, head is provided with screw, both sides are drop ear shape structure, neck both sides are U-shaped cavity, arm two diagonal positions offer rectangular channel, and rectangular channel and L shaped shank form the activity space of lower claw axle.
3. falling protector for industrial door according to claim 1, it is characterized in that: described upper clipping claw is irregular tooth-shape structure, formed by flat tooth, pointed tooth and standing part, flat tooth is provided with spring eye, tapered plane is cut in pointed tooth end, the angle of inclination of tapered plane is less than its Self-locking angle, and standing part is provided with dewclaw axis hole.
4. falling protector for industrial door according to claim 1, is characterized in that: described lower claw is scissor structure, and front portion is provided with lower claw axle installing hole, middle part is provided with fixed shaft hole, afterbody is set to latch, and tapered plane is cut in latch end, and angle of inclination is less than its Self-locking angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110131642.1A CN102787777B (en) | 2011-05-20 | 2011-05-20 | Falling protector for industrial door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110131642.1A CN102787777B (en) | 2011-05-20 | 2011-05-20 | Falling protector for industrial door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102787777A CN102787777A (en) | 2012-11-21 |
| CN102787777B true CN102787777B (en) | 2014-10-29 |
Family
ID=47153338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110131642.1A Active CN102787777B (en) | 2011-05-20 | 2011-05-20 | Falling protector for industrial door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102787777B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265363A (en) * | 2017-07-20 | 2017-10-20 | 江苏师范大学 | A kind of hanging basket safety device and installation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999031342A1 (en) * | 1997-12-12 | 1999-06-24 | Albany International Corp. | Fall arrestor and lockdown device for vertical lift doors |
| CN2578494Y (en) * | 2002-07-01 | 2003-10-08 | 倪晓明 | Anti-falling device of door plank |
| EP1780358A2 (en) * | 2005-10-26 | 2007-05-02 | Marantec Antriebs- und Steuerungstechnik GmbH & Co. KG. | Door drive with anti-dropping device |
| CN201318117Y (en) * | 2008-12-15 | 2009-09-30 | 斯来藏 | Braking device of flexible lifting door |
| CN201581790U (en) * | 2009-12-14 | 2010-09-15 | 巴士德新技术(天津)有限公司 | Anti-breaking device of large-scale flexible lifting door |
| CN202100099U (en) * | 2011-05-20 | 2012-01-04 | 沈阳宝通门业有限公司 | Falling protector for industrial door |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2458157A1 (en) * | 2004-02-20 | 2005-08-20 | Stephane Michaud | Cable failure device for garage doors and the like, and door including the same |
-
2011
- 2011-05-20 CN CN201110131642.1A patent/CN102787777B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999031342A1 (en) * | 1997-12-12 | 1999-06-24 | Albany International Corp. | Fall arrestor and lockdown device for vertical lift doors |
| CN2578494Y (en) * | 2002-07-01 | 2003-10-08 | 倪晓明 | Anti-falling device of door plank |
| EP1780358A2 (en) * | 2005-10-26 | 2007-05-02 | Marantec Antriebs- und Steuerungstechnik GmbH & Co. KG. | Door drive with anti-dropping device |
| CN201318117Y (en) * | 2008-12-15 | 2009-09-30 | 斯来藏 | Braking device of flexible lifting door |
| CN201581790U (en) * | 2009-12-14 | 2010-09-15 | 巴士德新技术(天津)有限公司 | Anti-breaking device of large-scale flexible lifting door |
| CN202100099U (en) * | 2011-05-20 | 2012-01-04 | 沈阳宝通门业有限公司 | Falling protector for industrial door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102787777A (en) | 2012-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102787777B (en) | Falling protector for industrial door | |
| CN204081437U (en) | Climbing scaffold falling proof device | |
| CN201376823Y (en) | Overspeed protection device of overspeed governor-safety gear system linkage | |
| CN203158967U (en) | Elevator safety protection device | |
| CN107601217A (en) | Lowering or hoisting gear and its application method | |
| CN202100099U (en) | Falling protector for industrial door | |
| CN214935160U (en) | Escape device at bottom of double-fork arm | |
| CN202440280U (en) | Anti-fall lifting charging machine | |
| CN206126577U (en) | A safe lift for housing construction construction | |
| CN214733614U (en) | Overload protection device for construction elevator | |
| CN211496651U (en) | Buffer type damping protection device | |
| CN217458535U (en) | Lifting hook bridge crane with safety protection function | |
| CN202880728U (en) | Anti-drop locking hook | |
| CN201343421Y (en) | Lifting equipment | |
| CN202755636U (en) | Anti-dropping suspension device for elevation type scaffold | |
| CN205087828U (en) | Simple and easy lifting device of 35kV circuit breaker | |
| CN212101537U (en) | Elevator rope breakage protection device | |
| CN203382465U (en) | Auxiliary tower climbing special tool for draught fan maintenance | |
| CN202492259U (en) | Elevator profile limiting device | |
| CN201762044U (en) | Novel safety protection device for tower crane | |
| CN201469934U (en) | Safety belt hanger for overhaul of isolating switch | |
| CN215932178U (en) | Meteorological detection device convenient to overhaul | |
| CN216426580U (en) | Electric hoist lifting alarm and power supply cut-off device used in high-temperature area | |
| CN201275376Y (en) | Suspended ceiling type safety belt fixer | |
| CN202100095U (en) | Falling protector of industrial door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Falling protector for industrial door Effective date of registration: 20171019 Granted publication date: 20141029 Pledgee: Pudong Development Bank of Shanghai, Limited by Share Ltd, Shenyang branch Pledgor: Shenyang Baotong Door Co., Ltd. Registration number: 2017210000020 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191118 Granted publication date: 20141029 Pledgee: Pudong Development Bank of Shanghai, Limited by Share Ltd, Shenyang branch Pledgor: Shenyang Baotong Door Co., Ltd. Registration number: 2017210000020 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |