CN210559134U - Anti-falling device for lifting equipment - Google Patents
Anti-falling device for lifting equipment Download PDFInfo
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- CN210559134U CN210559134U CN201921416030.5U CN201921416030U CN210559134U CN 210559134 U CN210559134 U CN 210559134U CN 201921416030 U CN201921416030 U CN 201921416030U CN 210559134 U CN210559134 U CN 210559134U
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- ratchet
- block
- chain
- piece
- ejection mechanism
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Abstract
The utility model is suitable for a lifting device technical field provides a falling prevention device for lifting device, be in including the chain, be used for driving the actuating mechanism of chain motion, install ratchet bar on the support wall, set up mount pad, the setting on lifting device ratchet piece and setting on the mount pad are in ejection mechanism on the ratchet piece, chain one end through first connecting piece with the mount pad upper end is connected, the chain other end pass through the second connecting piece with the ejection mechanism bottom is connected, be equipped with the installation on the ratchet piece ejection mechanism's guide way, ratchet piece port department be equipped with ratchet bar meshing's insection. The utility model discloses a falling prevention device is in case the chain disconnection, and ejection mechanism is ejecting with the ratchet piece immediately, and the insection on the ratchet piece and the insection meshing of installing the ratchet strip on the support wall prevent the jacking equipment whereabouts, and the device simple structure reduces required cost, and factor of safety is high.
Description
Technical Field
The utility model belongs to the technical field of jacking equipment, especially, relate to an anti-falling device for jacking equipment.
Background
At present, besides elevators installed according to international regulations, there are also many lifting devices which are not designed and manufactured, and because the cost is far lower than that of elevators, the vertical transportation of goods can be realized, so the lifting devices are widely used. The existing anti-falling device of the lifting equipment has a complex structure; the simple lifting equipment is designed and manufactured, the randomness is high in the installation process, a necessary safety protection device is lacked, and if the anti-falling device similar to an elevator structure is adopted, the manufacturing cost of the equipment can be greatly increased; in the process of designing and manufacturing non-standard lifting equipment, many enterprises do not consider the anti-falling device in consideration of manufacturing cost, so that the lifting equipment has serious potential safety hazard in practical application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a falling protector for jacking equipment aims at solving current falling protector for jacking equipment structure complicacy, and the security is low, the problem that required cost is high.
The utility model discloses a realize like this, a anti-falling device for jacking equipment, be in including the chain, be used for driving the actuating mechanism of chain motion, install ratchet bar on the support wall, set up mount pad, the setting on jacking equipment ratchet piece and setting on the mount pad are in ejection mechanism on the ratchet piece, chain one end through first connecting piece with the mount pad upper end is connected, the chain other end pass through the second connecting piece with the ejection mechanism bottom is connected, be equipped with the installation on the ratchet piece ejection mechanism's guide way, ratchet piece port department be equipped with ratchet bar meshed's insection.
The utility model discloses a further technical scheme is: the ejection mechanism comprises a pressing block, pin shafts arranged on two sides of the pressing block and a spring sleeved on the second connecting piece and located below the pressing block, and the pin shafts are arranged on the guide grooves.
The utility model discloses a further technical scheme is: the pressing block and the second connecting piece are of an integrally formed structure.
The utility model discloses a further technical scheme is: the first connecting piece comprises a connecting sliding rod, a connecting sliding sleeve and a tensioning pressing block, one end of the connecting sliding rod is connected with one end of the chain, the other end of the connecting sliding rod is connected with one end of the connecting sliding sleeve, and the other end of the connecting sliding sleeve is fixed on the mounting seat through the tensioning pressing block.
The utility model discloses a further technical scheme is: the mounting seat comprises an upper mounting seat fixed on the lifting equipment, a lower mounting seat installed in the upper mounting seat and a fixing block arranged between the upper mounting seat and the lower mounting seat.
The utility model discloses a further technical scheme is: the fixing block is provided with a fixing groove, and the ratchet block is arranged in the fixing groove.
The utility model discloses a further technical scheme is: the ratchet piece is U type guide block, U type guide block both sides all are equipped with the guide way.
The utility model discloses a further technical scheme is: the ratchet bar is of a long strip U-shaped structure.
The utility model has the advantages that: the utility model discloses a falling prevention device is in case the chain disconnection, and ejection mechanism is ejecting with the ratchet piece immediately, and the insection on the ratchet piece and the insection meshing of installing the ratchet strip on the support wall prevent the jacking equipment whereabouts, and the device simple structure reduces required cost, and factor of safety is high.
Drawings
Fig. 1 is an exploded view of a fall arrest device for a lifting device according to an embodiment of the present invention;
fig. 2 is a schematic view of a normal situation of a fall protection device for a lifting device according to an embodiment of the present invention;
fig. 3 is a schematic view of an abnormal situation of a fall protection device for a lifting device according to an embodiment of the present invention.
The names of the components in the figure are as follows:
1-a chain; 2-a ratchet bar; 3-mounting a base; 4-ratchet block; 5-an ejection mechanism; 6-a guide groove; 7-insection; 51-briquetting; 52-a pin shaft; 53-a spring; 8-a connecting rod; 9-connecting a sliding rod; 10-connecting the sliding sleeve; 11-tensioning the compact; 31-upper mounting seat; 32-lower mount; 33-fixing block; 12-fixed groove.
Detailed Description
The embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1-3, the fall protection device for a lifting device in this embodiment includes a chain 1, a driving mechanism (not shown) for driving the chain 1 to move, a ratchet bar 2 installed on a supporting wall (not shown), a mounting seat 3 installed on the lifting device, a ratchet block 4 installed on the mounting seat 3, and an ejection mechanism 5 installed on the ratchet block 4, wherein one end of the chain 1 is connected to the upper end of the mounting seat 3 through a first connecting member, the other end of the chain 1 is connected to the bottom end of the ejection mechanism 5 through a second connecting member, a guide groove 6 for installing the ejection mechanism 5 is provided on the ratchet block 4, and a tooth pattern 7 engaged with the ratchet bar 2 is provided at a port of the ratchet block 4. The utility model discloses a falling prevention device is in case the chain disconnection, and ejection mechanism is ejecting with the ratchet piece immediately, and the insection on the ratchet piece and the insection meshing of installing the ratchet strip on the support wall prevent the jacking equipment whereabouts, and the device simple structure reduces required cost, and factor of safety is high.
In this embodiment, as shown in fig. 1 to 3, the ejection mechanism 5 includes a pressing block 51, pin shafts 52 disposed on two sides of the pressing block 51, and a spring 53 sleeved on the second connecting member and located below the pressing block 51, wherein the pin shafts 52 are disposed on the guide grooves 6; the pressing block 51 and the second connecting piece are of an integrally formed structure. That is to say, in this embodiment, the pin 52 is constrained by the ratchet block 4 in the guide slot 6 thereof, the second connecting member includes a connecting rod 8, the spring 53 is sleeved on the connecting rod 8, the bottom end of the spring 53 is disposed at the bottom end of the mounting seat 3, the pressing block 51 and the second connecting member are in an integrally formed structure, and the structure is stable; in normal operation, the lower end of the chain 1 pulls the pressing block 51 downward by a pulling force, so that the spring 53 is in a compressed state, and at this time, the pin shaft 52 is located at the lowest end of the guide groove 6.
In this embodiment, as shown in fig. 1 to 3, the first connecting member includes a connecting slide rod 9, a connecting sliding sleeve 10 and a tensioning pressing block 11, one end of the connecting slide rod 9 is connected to one end of the chain 1, the other end of the connecting slide rod 9 is connected to one end of the connecting sliding sleeve 10, and the other end of the connecting sliding sleeve 10 is fixed to the mounting base 3 through the tensioning pressing block 11.
In the present embodiment, as shown in fig. 1 to 3, the mounting base 3 includes an upper mounting base 31 fixed on the lifting device (not shown in the figure), a lower mounting base 32 installed in the upper mounting base 31, and a fixing block 33 disposed between the upper mounting base 31 and the lower mounting base 32; a fixing groove 12 is arranged on the fixing block 33, and the ratchet block 4 is arranged in the fixing groove 12; the ratchet block 4 is a U-shaped guide block, and the guide grooves 6 are formed in the two sides of the U-shaped guide block; the ratchet bar 2 is of a long strip U-shaped structure. That is to say, in this embodiment, the pin shafts 52 on both sides of the pressing block 51 are respectively disposed in the guide grooves 6 on both sides of the U-shaped guide block, the two ports of the U-shaped guide block are both provided with the insections 7 engaged with the ratchet bar 2, the guide grooves 6 are waist-shaped inclined hole structures of the U-shaped guide block, that is, the upper end of the guide groove 6 is close to the bottom end of the U-shaped guide block, and the lower end of the guide groove 6 is close to the port of the U-shaped guide block; the ratchet bar 2 is of a long strip U-shaped structure, and the structure of the ratchet bar is matched with that of the U-shaped guide block. When an abnormal condition occurs, for example, the lower end of the chain 1 is broken, the connecting rod 8 of the second connecting member loses the action of the tension of the chain 1, the spring 53 restores to deform, the pressing block 51 is driven to move upwards along the guide groove 6, during the process that the part 1 rises along the inclined guide groove, due to the constraint of the lower mounting seat 32, the U-shaped guide block can only horizontally move towards the direction of the ratchet bar 2, when the part 1 exceeds the inner side of the lower mounting seat 32 for a certain distance, the U-shaped guide block can be contacted with the ratchet bar 2 and is meshed with the ratchet bar, and at the moment, the lifting device is locked in the falling process, so that the lifting device (namely, a car or a suspension cage) is prevented from continuously falling. The locking is released by simply re-tensioning the ejection mechanism 5 to restore the spring 53 to a compressed state.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A fall arrest device for a lifting apparatus, characterized by: including the chain, be used for driving the chain motion actuating mechanism, install ratchet on the support wall, set up mount pad on jacking equipment, set up ratchet piece on the mount pad and set up and be in ejection mechanism on the ratchet piece, chain one end through first connecting piece with the mount pad upper end is connected, the chain other end through the second connecting piece with ejection mechanism bottom is connected, be equipped with the installation on the ratchet piece ejection mechanism's guide way, ratchet piece port department be equipped with ratchet meshing's insection.
2. The device of claim 1, wherein the ejection mechanism comprises a pressing block, pins disposed on two sides of the pressing block, and a spring disposed on the second connecting member and under the pressing block, and the pins are disposed on the guide grooves.
3. The device of claim 2 wherein the mass is of unitary construction with the second connector.
4. The device of claim 1, wherein the first connecting member comprises a connecting slide rod, a connecting sliding sleeve and a tensioning pressing block, one end of the connecting slide rod is connected with one end of the chain, the other end of the connecting slide rod is connected with one end of the connecting sliding sleeve, and the other end of the connecting sliding sleeve is fixed on the mounting seat through the tensioning pressing block.
5. The device of claim 1 wherein the mounting block comprises an upper mounting block secured to the lifting apparatus, a lower mounting block mounted within the upper mounting block, and a mounting block disposed between the upper and lower mounting blocks.
6. The device of claim 5 wherein the fixed block has a retaining groove and the ratchet block is disposed in the retaining groove.
7. The device of claim 6 wherein the ratchet block is a U-shaped guide block having the guide slot on both sides.
8. The device of claim 7 wherein the ratchet bar is of an elongated U-shaped configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921416030.5U CN210559134U (en) | 2019-08-27 | 2019-08-27 | Anti-falling device for lifting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921416030.5U CN210559134U (en) | 2019-08-27 | 2019-08-27 | Anti-falling device for lifting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210559134U true CN210559134U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921416030.5U Active CN210559134U (en) | 2019-08-27 | 2019-08-27 | Anti-falling device for lifting equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN210559134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113955409A (en) * | 2021-10-22 | 2022-01-21 | 深圳市捷创自动化设备有限公司 | Chain transmission anti-falling safety brake device |
-
2019
- 2019-08-27 CN CN201921416030.5U patent/CN210559134U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113955409A (en) * | 2021-10-22 | 2022-01-21 | 深圳市捷创自动化设备有限公司 | Chain transmission anti-falling safety brake device |
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