CN205400212U - Chain rupture anti -falling device - Google Patents
Chain rupture anti -falling device Download PDFInfo
- Publication number
- CN205400212U CN205400212U CN201620169569.5U CN201620169569U CN205400212U CN 205400212 U CN205400212 U CN 205400212U CN 201620169569 U CN201620169569 U CN 201620169569U CN 205400212 U CN205400212 U CN 205400212U
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- China
- Prior art keywords
- chain
- fall
- falling
- control device
- sliding seat
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Abstract
The utility model provides a chain rupture anti -falling device, belongs to the elevating gear mechanism field of preventing falling. The utility model discloses a stand, locate lift drive, the chain wheel carrier of locating the lift drive top and sprocket in the stand, locate the sprocket the chain, locate its sliding seat that is close to stand outside one end of chain, rotate to be connected with on the axle bed of sliding seat and prevent the piece that falls, be equipped with on the stand medial surface and prevent the groove of falling, chain and prevent falling being equipped with between the piece and prevent weighing down the interlock subassembly to it swings spacingly in preventing the groove of falling to drive the piece of preventing falling when the chain rupture. The utility model discloses it is rational in infrastructure, realize its chain rupture through simple machinery cooperation and prevent weighing down the function that the reaction is rapidly, and is stable high.
Description
Technical field
This utility model relates to lowering or hoisting gear anti-falling mechanism, particularly relates to a kind of broken chain anti-falling dropping control device.
Background technology
At present, some lowering or hoisting gears, such as the lowering or hoisting gear for multi-storied garage, it is provided with when object stage puts in place for preventing object stage accidental falling to carry out the parts such as the hook that protects.But being short of to some extent for the anti-falling protection in lifting of object loading table process, the object stage that the accident of such as elevating chain disconnects and causes falls or tilts, and there is very big potential safety hazard.
nullExisting broken chain anti-falling dropping control device，Chinese patent if application number is 201420361645.3 discloses a kind of lowering or hoisting gear with anti-fall mechanism，Including the well open frame with four root posts、The luggage carrier in well open frame can be movably arranged at by vertical lift、It is connected to the chain on luggage carrier and chain traction device，Luggage carrier has four guide posts being movably arranged in four root posts，Also include four the anti-fall mechanisms being arranged on four guide post places，Each anti-fall mechanism include can between position of readiness and anti-fall position swingingly pivot joint anti-fall hook on the guide bar、It is arranged between anti-fall hook and guide post for making anti-fall hook be maintained at the back-moving spring of position of readiness、It is arranged on the cylinder on luggage carrier、It is connected to the Bowden cable between cylinder and anti-fall hook、Formed on column and some hanging holes of vertically-spaced arrangement，When chain rupture，Cylinder drives anti-fall hook to be rocked to anti-fall position by Bowden cable，Now anti-fall hook is clamped in hanging hole.But this apparatus structure is excessively complicated and it needs to drive its anti-falling mechanism by cylinder, while playing broken chain anti-falling function, self there is also troublesome hidden danger, Gu the stability of its broken chain anti-falling is relatively low.
And for example application number be 201020501810.2 Chinese patent disclose a kind of chain breaking falling-prevention device, mainly there is upper connecting rod, door type frame, spring, voussoir, roller, brake pad, lower links etc. form, and after have employed chain rupture, built-in spring pressurization voussoir makes brake pad outward expansion contact generation power friction with column to slow down and stop the tenesmus campaign of vehicle-containing or car, delicate structure, use other's strength to boost yourself, reaction agility, utilizes friction self-locking principle to force vehicle-containing or car tenesmus motion to stop, and is matched with in parking apparatus when using that safe and reliable, structure is simple and direct and is suitable for.This device realizes anti-drop function by rubbing, and life-time service easily makes component wear, and affects the stability of its broken chain anti-falling function.
Utility model content
The purpose of this utility model is to solve above-mentioned prior art Problems existing, it is provided that a kind of broken chain anti-falling dropping control device, its simple in construction, anti-fall stability is high, and has safety protection function.
The purpose of this utility model is achieved through the following technical solutions:
A kind of broken chain anti-falling dropping control device, including column, the lifting drive being located in described column, the sprocket holder being located at described lifting drive top and sprocket wheel, be located at described sprocket wheel chain, be located at described chain its near the sliding seat of described column lateral ends, the axle bed of described sliding seat is rotatably connected to fall arrest block, described column medial surface is provided with anti-fall low water, it is provided with anti-fall linked component between described chain and described fall arrest block, is limited in described anti-fall low water to drive when chain rupture described fall arrest block to swing.
Preferred as this utility model, described fall arrest block includes card resistance part, linkage part, and described linkage part is connected to and pulls described linkage part when chain rupture to described sliding seat, so that described card resistance part swings the anti-fall linked component snapping in described anti-fall low water.
Preferred as this utility model, described anti-fall linked component includes being located at the connecting plate of described sliding seat, one end connects described chain, the first chain connector that the other end is movably connected on described connecting plate, the elastic component being located between described first chain connector lower end and described connecting plate downside, connect the connecting rod of described first chain connector and described linkage part.
Preferred as this utility model, described first chain connector includes limiting section, connecting portion, and described limiting section is connected by the linkage part of described connecting rod with described fall arrest block.
Preferred as this utility model, described connecting plate is provided with contact switch, and described limiting section is provided with and coordinates, with described contact switch, the block contacted.
Preferred as this utility model, described first chain connector lower end is provided with the locating part inconsistent with described elastic component.
Preferred as this utility model, described jam subordinate's end is provided with near described anti-fall low water side and snaps in angle.
Preferred as this utility model, described lifting drive includes oil cylinder, is located at the piston rod of described oil cylinder.
Preferred as this utility model, described sliding seat is provided with two relative axle beds towards the side in described column, and described axle bed is provided with multiple leading block, and two side relative in described column is provided with guide chute.
The utility model has the advantages that: by simple mechanical engagement, play broken chain anti-falling effect, and be swift in response, stability is high.Under normal condition, due to the gravity of sliding seat, elastic component is compressed, and now the connecting portion of the first chain connector stretches out a segment length above connecting plate, and fall arrest block is in retracted state, and sliding seat normally lifts；When there is chain rupture, first chain connector upper end loses the effect of power, restoring force due to extensible member, first chain connector is moved down relative to connecting plate, simultaneously drivening rod pull the linkage part of fall arrest block so that the card resistance part of fall arrest block is stretched out and in card entry slot to anti-fall low water side, stops sliding seat tenesmus, and when the first chain connector moves down, the block of its limiting section touches the contact switch on connecting plate, leaves the motor off operating.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the present utility model；
Fig. 2 is the internal structure schematic diagram under this utility model normal condition；
Fig. 3 is the structure for amplifying schematic diagram of part A in Fig. 2；
Fig. 4 is the internal structure schematic diagram under this utility model chain rupture state；
Fig. 5 is the structure for amplifying schematic diagram of part B in Fig. 4.
1-column；3-sprocket holder；4-sprocket wheel；5-chain；6-sliding seat；61-axle bed；7-fall arrest block；The anti-fall low water of 8-；71-card resistance part；72-linkage part；91-connecting plate；92-the first chain connector；921-limiting section；922-connecting portion；93-elastic component；94-connecting rod；101-contact switch；102-block；751-stop nut；711-snaps in angle；21-oil cylinder；22-piston rod.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
As Figure 1-5, this utility model includes the column 1 being provided with a vertical opening, the lifting drive being located in described column 1, described lifting drive includes oil cylinder 21 and piston rod 22, described piston rod 22 top is provided with sprocket holder 3 and sprocket wheel 4, described sprocket wheel 4 is provided with chain 5, described chain 5 one end is connected to, by the second chain connector, the connection seat that its sidewall relative with described vertical opening of described column 1 is provided with, and described chain 5 other end is connected to sliding seat 6 by the first chain connector 92.Described first chain connector and the second chain connector are chain connecting bolt.Described lifting structure is due to the effect of sprocket wheel 4, and one end of chain 5 is fixed, the twice that adjustable height is piston rod 22 adjustable height of the sliding seat 6 that its other end connects, and substantially increases the efficiency of lifting.
Described sliding seat 6 its be provided with two relative axle beds 61 towards the side in described column 1, axle bed 61 described in two is provided with multiple leading block, and in described column 1, the two side adjacent with described vertical opening is provided with guide chute.This structure ensure that the stability that sliding seat 6 lifts.
Described sliding seat 6 is provided with connecting plate 91 between axle bed described in two 61, and described connecting plate 91 is provided with connecting hole, and described first chain connector 92 is movably connected on the connecting hole of described connecting plate 91.Described first chain connector 92 includes being connected with described chain 5 and cannot passing the limiting section 921 of described connecting hole, can stretch in the connecting portion 922 of described connecting hole up and down, it is provided with elastic component 93 between described connecting portion 922 lower end and described connecting plate 91, described elastic component 93 is spring, described connecting portion 922 lower end is provided with the locating part inconsistent with described elastic component 93, described locating part include multiple can the stop nut 951 of up-down adjustment.Axle bed 61 described in side is rotatably connected to fall arrest block 7 in place above described connecting plate 91, described fall arrest block 7 includes the linkage part 72 of the card resistance part 71 of lower end, upper end, described linkage part 72 is connected with the limiting section 921 of described first chain connector 92 by connecting rod 94, its sidewall relative with described vertical opening of described column 1 is provided with multiple vertically disposed anti-fall low water 8, and lower end, described card resistance part 71 is additionally provided with and snaps in angle 711.Under normal condition; gravity due to sliding seat 6 and the support board of connection thereof; spring below described connecting plate 91 is compressed; the connecting portion 922 of described first chain connector 92 stretches out a segment length above described connecting plate 91; under the effect of connecting rod 94; fall arrest block 7 is in retracted state, and sliding seat 6 normally slides；When there is chain rupture, described first chain connector 92 upper end loses the effect of power, elastic force due to spring, described first chain connector 92 is moved down relative to connecting plate 91, simultaneously drivening rod 94 pull the linkage part 72 of fall arrest block 7 upper end, the card resistance part 71 making fall arrest block 7 lower end is stretched out and in card entry slot to described anti-fall low water 8 side, to stop sliding seat 6 to drop, and due to connecting rod 94, the limiting section 921 of the first chain connector 92 and the restriction effect of connecting plate 91, after conflicting in the card resistance part 71 making anti-fall low water 8 inner underside face and described fall arrest block 7, cannot continue by the card resistance part 71 of described fall arrest block 7 upwardly, the stability of jam is high.Described broken chain anti-falling falls mechanism structure rationally, realizes its broken chain anti-falling function by simple mechanical engagement, is swift in response, and stability is high.
Being additionally provided with contact switch 101 on described connecting plate 91, the limiting section 921 of described first chain connector 92 is provided with and coordinates, with described contact switch 101, the block 102 contacted when its relatively described connecting plate 91 moves down.Described contact switch 101 can send signal in time when there is chain rupture, leaves the motor off operating, plays the effect of security protection.
The above; it is only this utility model preferably detailed description of the invention; this detailed description of the invention is based on a kind of implementation under this utility model general idea; and protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (9)
1. a broken chain anti-falling dropping control device, including column (1), it is located at the lifting drive in described column (1), it is located at sprocket holder (3) and the sprocket wheel (4) on described lifting drive top, it is located at the chain (5) of described sprocket wheel (4), be located at described chain (5) its near the sliding seat (6) of described column (1) lateral ends, it is characterized in that, the axle bed (61) of described sliding seat (6) is rotatably connected to fall arrest block (7), described column (1) medial surface is provided with anti-fall low water (8), it is provided with anti-fall linked component between described chain (5) and described fall arrest block (7), it is limited in described anti-fall low water (8) to drive described fall arrest block (7) to swing when chain rupture.
2. broken chain anti-falling dropping control device according to claim 1, it is characterized in that, described fall arrest block (7) includes card resistance part (71), linkage part (72), described linkage part (72) is connected to and pulls described linkage part (72) when chain rupture to described sliding seat (6), so that described card resistance part (71) swings the described anti-fall linked component snapping in described anti-fall low water (8).
3. broken chain anti-falling dropping control device according to claim 2, it is characterized in that, described anti-fall linked component includes being located at the connecting plate (91) of described sliding seat (6), one end connects described chain (5), the first chain connector (92) that the other end is movably connected on described connecting plate (91), the elastic component (93) being located between described first chain connector (92) lower end and described connecting plate (91) downside, connect the connecting rod (94) of described first chain connector (92) and described linkage part (72).
4. broken chain anti-falling dropping control device according to claim 3, it is characterized in that, described first chain connector (92) includes limiting section (921), connecting portion (922), and described limiting section (921) is connected by the linkage part (72) of described connecting rod (94) with described fall arrest block (7).
5. broken chain anti-falling dropping control device according to claim 3, it is characterised in that described connecting plate (91) is provided with contact switch (101), described limiting section (921) is provided with and coordinates, with described contact switch (101), the block (102) contacted.
6. broken chain anti-falling dropping control device according to claim 3, it is characterised in that described first chain connector (92) lower end is provided with the locating part inconsistent with described elastic component (93).
7. broken chain anti-falling dropping control device according to claim 2, it is characterised in that described card resistance part (71) lower end is provided with near described anti-fall low water (8) side and snaps in angle (711).
8. broken chain anti-falling dropping control device according to claim 1, it is characterised in that described lifting drive includes oil cylinder (21), is located at the piston rod (22) of described oil cylinder (21).
9. broken chain anti-falling dropping control device according to claim 1, it is characterized in that, described sliding seat (6) is provided with relative two axle beds (61) towards the side in described column (1), described axle bed (61) is provided with multiple leading block, and in described column (1), relative two side is provided with guide chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620169569.5U CN205400212U (en) | 2016-03-07 | 2016-03-07 | Chain rupture anti -falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620169569.5U CN205400212U (en) | 2016-03-07 | 2016-03-07 | Chain rupture anti -falling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205400212U true CN205400212U (en) | 2016-07-27 |
Family
ID=56441198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620169569.5U Expired - Fee Related CN205400212U (en) | 2016-03-07 | 2016-03-07 | Chain rupture anti -falling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205400212U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106978931A (en) * | 2017-05-19 | 2017-07-25 | 江苏蒙哥马利电梯有限公司 | A kind of anti-fall mechanical lock in lift-sliding garage |
| CN107986202A (en) * | 2017-12-28 | 2018-05-04 | 山东豪迈机械制造有限公司 | A kind of anti-fall device, anti-fall mechanism and lifting device |
| CN108910764A (en) * | 2018-09-28 | 2018-11-30 | 深圳市中科利亨车库设备股份有限公司 | Elevator chain breaking falling-prevention device |
| CN109455646A (en) * | 2018-09-28 | 2019-03-12 | 深圳市中科利亨车库设备股份有限公司 | Elevator chain breaking falling-prevention device |
| CN109650293A (en) * | 2019-02-20 | 2019-04-19 | 深圳市智佳能自动化有限公司 | A kind of locking disconnected safety device of mechanical chain |
-
2016
- 2016-03-07 CN CN201620169569.5U patent/CN205400212U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106978931A (en) * | 2017-05-19 | 2017-07-25 | 江苏蒙哥马利电梯有限公司 | A kind of anti-fall mechanical lock in lift-sliding garage |
| CN107986202A (en) * | 2017-12-28 | 2018-05-04 | 山东豪迈机械制造有限公司 | A kind of anti-fall device, anti-fall mechanism and lifting device |
| CN108910764A (en) * | 2018-09-28 | 2018-11-30 | 深圳市中科利亨车库设备股份有限公司 | Elevator chain breaking falling-prevention device |
| CN109455646A (en) * | 2018-09-28 | 2019-03-12 | 深圳市中科利亨车库设备股份有限公司 | Elevator chain breaking falling-prevention device |
| CN108910764B (en) * | 2018-09-28 | 2024-05-07 | 深圳市中科利亨车库设备股份有限公司 | Chain breakage anti-falling device of elevator |
| CN109650293A (en) * | 2019-02-20 | 2019-04-19 | 深圳市智佳能自动化有限公司 | A kind of locking disconnected safety device of mechanical chain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20210307 |