CN107054985B - Anti-falling device with chain protection mechanism - Google Patents
Anti-falling device with chain protection mechanism Download PDFInfo
- Publication number
- CN107054985B CN107054985B CN201710432611.7A CN201710432611A CN107054985B CN 107054985 B CN107054985 B CN 107054985B CN 201710432611 A CN201710432611 A CN 201710432611A CN 107054985 B CN107054985 B CN 107054985B
- Authority
- CN
- China
- Prior art keywords
- chain
- protection
- fixedly connected
- protection mechanism
- pulley body
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/30—Details; Auxiliary devices
- B65G17/38—Chains or like traction elements; Connections between traction elements and load-carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Table Equipment (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The application discloses anticreep device with chain protection mechanism, stand and coaster body including relative setting, the coaster body sets up between the relative stand that sets up, coaster body and stand sliding connection, the coaster is fixed with the protection subassembly, the one end fixed connection that the protection subassembly passes through connecting device and first chain, the other end and the stand fixed connection of first chain, first chain meshes with the sprocket, sprocket and chain protection mechanism coupling, chain protection mechanism passes through pneumatic cylinder and stand fixed connection, chain protection mechanism is provided with first protective surface, first protective surface sets up the outside at the meshing portion of sprocket and first chain, clearance between first protective surface and the sprocket is less than the channel height of first chain, the reliability of coaster is improved, thereby can drive the coaster body and make a round trip to slide between the stand, can solve and adopt a plurality of sprocket structures complicacies, the processing cost is high, the installation requirement is than higher, the installation difficulty, the chain breaks away from the problem of sprocket easily.
Description
Technical Field
The present disclosure relates generally to the field of medical equipment, specifically to the field of pulleys, and more particularly to an anti-drop device with a chain protection mechanism.
Background
The mixing hopper and the transmission case of the hopper mixer are generally driven by the pulleys during transmission, the hopper is lifted by the lifting chains, the hopper is lifted stably for keeping the hopper, two lifting chains are generally adopted, but the lifting chains are very easy to break due to the fact that the weight of materials in the mixing hopper is heavier in many times, when one lifting chain is broken, the hopper cannot be kept stable, when the two lifting chains are broken simultaneously, the hopper falls down easily, the materials in the hopper are spilled easily, safety accidents are caused even in serious situations, and due to the adoption of chain transmission, the chains are loose after long-term use, and therefore the phenomenon that the materials in the hopper spill out can also occur when the mixing hopper is used.
At present, the pulley needs to be driven by two lifting chains and two chain wheels, the structure is complex, the processing cost is high, the problem of coaxiality of the chain wheels needs to be considered when the pulley is installed, the installation requirement is high, the installation is difficult, and the chain is easy to separate from the chain wheels to cause faults.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide an anti-drop device with a chain guard mechanism that has a simple structure, low manufacturing cost, easy installation, and tight sprocket and chain fit.
According to the first aspect, the anti-falling device with the chain protection mechanism comprises oppositely arranged stand columns and a pulley body, wherein the pulley body is arranged between the oppositely arranged stand columns, the pulley body is connected with the stand columns in a sliding mode, a protection assembly is fixed on the pulley, the protection assembly is fixedly connected with one end of a first chain through a connecting device, the other end of the first chain is fixedly connected with the stand columns, the first chain is meshed with a chain wheel, the chain wheel is in shaft connection with the chain protection mechanism, the chain protection mechanism is fixedly connected with the stand columns through a hydraulic cylinder, a first protection surface is arranged on the chain protection mechanism, the first protection surface is arranged on the outer side of a meshing portion of the chain wheel and the first chain, the direct gap between the first protection surface and the chain wheel is smaller than the channel height of the first chain, the chain protection mechanism is provided with the first protection surface, the first protection surface is arranged on the outer side of the meshing portion of the chain wheel and the first chain, and the gap between the first protection surface and the chain wheel is smaller than the channel height of the first chain.
According to the technical scheme that this application embodiment provided, be connected first chain with a plurality of protection subassemblies respectively through connecting device, first chain and sprocket meshing, can adopt single sprocket to come to drive a plurality of protection subassemblies, can prevent through chain protection mechanism in the coaster normal work, first chain breaks away from the sprocket, cause danger, the reliability of coaster has been improved, thereby can drive the coaster body and make a round trip to slide between the stand, can solve and adopt a plurality of sprocket structures complicacies, the processing cost is high, the installation requirement is than higher, the installation difficulty, the chain breaks away from the problem of sprocket easily.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of an anti-drop device with a chain guard mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an anti-drop device with a chain guard according to an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of the chain wheel of the anti-drop device with chain guard mechanism of the embodiment of the present invention cooperating with the first chain;
fig. 4 is a schematic structural diagram of the engagement between the sprocket and the first chain of the anti-drop device with the chain guard mechanism according to the embodiment of the present invention.
Reference numerals:
10-column, 11-baffle, 12-chute, 13-first roller, 14-second roller, 15-base plate, 16-through hole, 17-first bolt, 18-adjusting plate, 19-second bolt, 20-pulley body, 21-stop, 22-tension spring, 30-protecting block, 31-first stop, 32-second stop, 33-connecting part, 40-connecting device, 41-first connecting projection, 42-connecting plate, 421-reinforcing part, 43-second connecting projection, 44-second chain, 51-first chain, 52-sprocket, 53-hydraulic cylinder, 54-reel, 55-wire groove, 60-chain protecting mechanism, 61-first protecting surface, 62-second protecting surface, 71-first fixing plate, 72-retainer ring, 73-spring, 74-wire.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 4, the anti-drop device with a chain protection mechanism of the present invention includes an upright post 10 and a pulley body 20 disposed opposite to each other, the pulley body 20 is disposed between the upright posts 10 disposed opposite to each other, the pulley body 20 is slidably connected to the upright post 10, the pulley body 20 is fixed with a protection component, the protection component is fixedly connected to one end of a first chain 51 through a connecting device 40, the other end of the first chain 51 is fixedly connected to the upright post 10, the first chain 51 is meshed with a sprocket 52, the sprocket 52 is coupled to the chain protection mechanism 60, the chain protection mechanism 60 is fixedly connected to the upright post 10 through a hydraulic cylinder 53, the chain protection mechanism 60 is provided with a first protection surface 61, the first protection surface 61 is disposed outside a meshing portion between the sprocket 52 and the first chain 51, and a gap between the first protection surface 61 and the sprocket 52 is smaller than a channel height of the first chain 51.
In the embodiment of the invention, the number of the upright posts is generally two, the pulley body slides up and down between the upright posts, one end of the first chain is fixedly connected with the connecting device, the connecting device is connected with the pulley body through the protection component, one side of the connecting device can be connected with a plurality of protection components, the other side of the connecting device can be connected with the first chain, one chain wheel and one first chain can drive the pulley to slide up and down through the connecting device, the structure is simplified, the manufacturing cost is saved, the coaxiality of the plurality of chain wheels does not need to be corrected during installation, the installation difficulty is reduced, the first chain can effectively avoid the movement interference of the first chain and a baffle of the protection component, the safety is improved, the other end of the first chain is fixedly connected with the upright posts, specifically, the first fixing plate is fixed between the upright posts, and the first chain is fixedly connected with the first fixing plate, the pin shaft of the first chain is sleeved with the first fixing plate, meanwhile, the protection assembly can prevent the pulley from falling off when the first chain is broken or loose, the operation safety of the pulley is improved, the chain wheel is in shaft connection with the chain protection mechanism, the chain protection mechanism is fixedly connected with the upright post through a hydraulic cylinder, the first chain can be prevented from being separated from the chain wheel to cause danger through the chain protection mechanism during the normal operation of the pulley, the reliability of the pulley is improved, the chain protection mechanism is arranged into a semi-closed cavity with openings at two sides, the chain wheel rotates in the semi-closed cavity, the first chain passes through the opening end of the semi-closed cavity, namely the chain wheel enters the semi-closed cavity from the opening end or enters the cavity from the inside of the semi-closed cavity, the gap between the chain wheel and the first protection surface is smaller than the channel height of the first chain, and the normal operation of the pulley can be prevented, the first chain breaks away from the chain wheel, so that danger is caused, and the reliability of the pulley is improved.
Further, the chain guard mechanism 60 is provided with a second guard surface 62, the second guard surface 62 is provided to face the side surface of the sprocket 52, and the distance between the second guard surface 62 and the side surface of the sprocket 52 is smaller than the width of the first chain 51.
In the embodiment of the invention, the second protection surfaces are arranged opposite to the side surfaces of the chain wheel, the distance between the second protection surfaces and the side surfaces of the chain wheel is less than the width of the first chain, and the second protection surfaces are arranged on two sides of the chain wheel, so that the first chain is prevented from being separated from the chain wheel from the two sides of the chain wheel, danger is prevented, and the reliability of the pulley is improved.
Further, a first fixing plate 71 is fixed between the columns 10, and the first fixing plate 71 is fixedly connected with the first chain 51 in a distance-adjustable manner.
In the embodiment of the invention, when the pulley is assembled on site, the initial height of the pulley can be adjusted by adjusting the distance between the first fixing plate and the first chain, so that the pulley can be conveniently tested and adjusted.
Further, the first chain 51 is fixedly connected with a bolt, the bolt penetrates through the first fixing plate 71, the bolt is at least in threaded connection with two nuts, and the nuts are arranged on two sides of the first fixing plate 71.
In the embodiment of the invention, the distance between the first fixing plate and the first chain is adjusted by screwing the nuts on the two sides of the first fixing plate on the bolts, so that the adjustment is convenient and quick, the field debugging is convenient, and the installation and debugging efficiency is improved.
Further, the wire winding device comprises a wire wheel 54, wherein the wire wheel 54 is coaxially connected with a chain wheel 51, a wire groove 55 is formed in the wire wheel 54, an electric wire 74 is wound in the wire groove 55, a retainer ring 72 is fixed on one side of the electric wire, which penetrates through a first fixing plate 71, a spring 73 is arranged between the retainer ring 72 and the first fixing plate 71, and the spring 73 is sleeved on the electric wire 74.
In the embodiment of the invention, electrical equipment needs to be arranged in the mixing hopper, wiring needs to be carried out in the pulley, the wire wheel can enable the cable to move up and down along with the pulley, different lengths of wires are provided according to different heights, the problem that the equipment cannot normally operate due to the fact that the cable is too long or too short is avoided, meanwhile, through the cooperation of the spring and the check ring, the wire above the first fixing plate is always in a tensioning state in the movement process of the pulley, and the wire is prevented from being separated from the wire wheel to cause danger.
Further, the connecting device 40 is provided with a first connecting protrusion 41, a connecting plate 42 and a second connecting protrusion 43, the first connecting protrusion 41 and the second connecting protrusion 43 are arranged on two opposite sides of the connecting plate 42, the first connecting protrusion 41 is fixedly connected with the first chain 51, and the second connecting protrusion 43 is fixedly connected with the protection component through the second chain 44.
In the embodiment of the invention, the connecting device is provided with the first connecting protrusion, the connecting plate and the second connecting protrusion, the first connecting protrusion and the second connecting protrusion are arranged on two opposite sides of the connecting plate, the connecting strength between the protection component and the first chain can be improved, the first connecting protrusion is fixedly connected with the first chain, specifically, the first connecting protrusion is provided with the round through hole, the pin shaft of the first chain penetrates through the round through hole to realize the fixed connection of the first chain and the connecting plate, when the first chain or the connecting plate breaks down, the first chain and the connecting plate can be quickly separated to replace the component, the second connecting protrusion is fixedly connected with the protection component through the second chain, the protection component and the connecting plate are connected through the second chain, the protection component acts when the first chain breaks down, the second protrusion is provided with the round through hole, the pin shaft of the second chain penetrates through the round through hole to realize the fixed connection of the second chain and the second protrusion, and when the second chain or the connecting plate breaks down, the second chain and the connecting plate can be quickly separated from the connecting plate to replace the component.
Further, the connecting device 40 is provided with at least two second connecting protrusions 43, the protecting assembly is provided with at least two protecting blocks 30, and one protecting block 30 is fixedly connected with one second connecting protrusion 43 through one second chain 44.
In the embodiment of the invention, the connecting device is provided with at least two second connecting bulges, the protection assembly is provided with at least two protection blocks, one protection block is fixedly connected with one second connecting bulge through one second chain, and the connecting plate is fixedly connected with a plurality of protection plates, so that the connecting plate can uniformly bear the acting force of the pulley.
Further, protection piece 30 sets up first backstop portion 31, second backstop portion 32 and connecting portion 33, protection piece 30 cup joints at the round pin epaxially, round pin axle and coaster body 20 fixed connection, connecting portion 33 and second chain 44 fixed connection, coaster body 20 is fixed with dog 21, dog 21 is fixed on the motion route of second backstop portion 32, coaster body 20 detachably is fixed with the one end of extension spring 22, the other end of extension spring 22 and protection piece 30 detachably fixed connection, the fixed connection point and the connecting portion of extension spring 22 and protection piece 30 set up in the both sides of round pin axle, be fixed with baffle 11 along coaster body 20 slip direction interval between the stand 10, baffle 11 sets up on the motion route of protection piece 30.
In the embodiment of the invention, the protection block is provided with a first stop part, a second stop part and a connecting part, the protection block is sleeved on the pin shaft and can rotate around the pin shaft, the pin shaft is fixedly connected with the pulley body, the pin shaft is horizontally fixed, the connecting part is fixedly connected with the second chain, in a normal working state, the second chain is tightened, the connecting part is pulled into a vertical direction by the second chain, the tension spring is also tightened at the moment, the second stop part is separated from the surface of the stop block, the first stop part is not interfered with the baffle, the pulley body is fixedly provided with the stop block, the stop block is fixedly arranged on a motion path of the second stop part, one end of the tension spring is detachably fixed on the pulley body, the other end of the tension spring is detachably and fixedly connected with the protection block, a fixed connection point of the tension spring and the connecting part of the second protection block are arranged on two sides of the pin shaft, when the first chain is exercised or loosened, the protection block rotates around the pin shaft under the action of the tension force of the pulley body, the second stop part is enabled to be tightly attached to the surface of the second stop part, meanwhile, in the pulley is prevented from further damage caused by the operator of the pulley in the pulley during the pulley.
Further, the first coupling protrusions 41 are disposed at the center of one side of the coupling plate 42, the second coupling protrusions 43 are disposed at the other side of the coupling plate 42 at equal intervals, and the second protrusions are disposed at both ends of the other side of the coupling plate, respectively.
In the embodiment of the invention, the first connecting bulges are arranged at the center of one side of the connecting plate, and the second connecting bulges are arranged at the other side of the connecting plate at equal intervals, so that the stress on the connecting plate is uniform, and the service life of the connecting plate is prolonged.
Further, the connecting plate 42 is provided with a reinforcing portion 421, and the reinforcing portion 421 is provided between two adjacent second connecting protrusions 43.
In the embodiment of the invention, the connecting plate is provided with the reinforcing part, the reinforcing part is arranged between two adjacent second connecting bulges, the stress point of the connecting plate is the position of the second connecting bulge, the second connecting bulge is subjected to downward tension in the normal working process of the pulley, and the reinforcing part is arranged between two adjacent second connecting bulges, so that the deformation of the connecting plate can be prevented.
Further, the upright post 10 is provided with a sliding groove 12, the pulley body 20 is coupled with a first roller 13, and the first roller 13 rolls on two inner side surfaces opposite to the sliding groove 12.
In the embodiment of the invention, the upright post is provided with the sliding groove, the pulley body is connected with the first idler wheels in a shaft mode, the first idler wheels roll on the surfaces of two opposite inner side surfaces of the sliding groove, the first idler wheels can be prevented from rolling outside the upright post, but not only, two pairs of first idler wheels are arranged, the two pairs of first idler wheels are arranged in parallel, each pair of first idler wheels respectively move in the sliding grooves of the two opposite upright posts, the movement stability of the pulley is improved, and the first idler wheels are prevented from being separated from the sliding grooves.
Further, a second roller 14 is adjustably fixed to the carriage body 20, the second roller 14 rolls on the surface of the bottom surface of the sliding groove 12, and the surface of the second roller 14 is exposed on the side of the first roller 13 away from the carriage body 20.
In the embodiment of the invention, the pulley is adjustably fixed with the second roller, the second roller can be adjusted along the axial direction of the first roller, the second roller rolls on the surface of the bottom surface of the sliding groove, the side surface of the first roller or the pulley is prevented from contacting with the bottom surface of the sliding groove, the abrasion of the first roller is avoided, the surface of the second roller is exposed out of one side of the first roller far away from the pulley, and the service lives of the first roller and the pulley are prolonged.
Further, a base plate 15 is fixed on the pulley body 20, a through hole 16 is formed in the base plate 15, the first bolt 17 penetrates through the through hole 16 and is in threaded connection with an adjusting plate 18, the adjusting plate 18 is provided with a waist hole, the second bolt 19 penetrates through the waist hole and is in threaded connection with the base plate 15, and a second roller 14 is fixedly connected to one side, far away from the first bolt 17, of the base plate 15.
In the embodiment of the invention, the distance between the second roller and the bottom surface of the sliding chute is adjusted by the position of the second bolt in the waist hole and the length of the first bolt penetrating through the through hole, so that the adjustment can be carried out according to actual conditions, and the transportation and the assembly are convenient.
The foregoing description is only exemplary of the preferred embodiments of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention according to the present application is not limited to the specific combination of the above-mentioned features, but also covers other embodiments where any combination of the above-mentioned features or their equivalents is made without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (6)
1. The anti-drop device with the chain protection mechanism is characterized by comprising oppositely arranged stand columns and a pulley body, wherein the pulley body is arranged between the oppositely arranged stand columns, the pulley body is in sliding connection with the stand columns, the pulley body is fixedly provided with a protection assembly, the protection assembly is fixedly connected with one end of a first chain through a connecting device, the other end of the first chain is fixedly connected with the stand columns, the first chain is meshed with a chain wheel, the chain wheel is in shaft connection with the chain protection mechanism, the chain protection mechanism is fixedly connected with the stand columns through a hydraulic cylinder, the chain protection mechanism is provided with a first protection surface, the first protection surface is arranged on the outer side of a meshing part of the chain wheel and the first chain, and a gap between the first protection surface and the chain wheel is smaller than the channel height of the first chain;
the connecting device is provided with a first connecting bulge, a connecting plate and two second connecting bulges, the first connecting bulge and the second connecting bulge are arranged on two opposite sides of the connecting plate, the first connecting bulge is fixedly connected with the first chain, and the second connecting bulge is fixedly connected with the protection assembly through a second chain;
the protection assembly is at least provided with two protection blocks, and one protection block is fixedly connected with one second connecting bulge through one second chain;
the pulley body is fixedly provided with a stop block, the stop block is fixed on a motion path of the second stop part, one end of a tension spring is detachably fixed on the pulley body, the other end of the tension spring is detachably and fixedly connected with the protection block, a fixed connection point of the tension spring and the protection block and the connection part are arranged on two sides of the pin shaft, baffle plates are fixed between the stand columns at intervals along the sliding direction of the pulley body, and the baffle plates are arranged on the motion path of the first stop part;
the chain protection mechanism is provided with a second protection surface, the second protection surface is opposite to the side surface of the chain wheel, and the distance between the second protection surface and the side surface of the chain wheel is smaller than the width of the first chain.
2. The anti-drop device with chain guard mechanism as claimed in claim 1, wherein a first fixing plate is fixed between the columns, and the first fixing plate is connected with the first chain in a distance-adjustable manner.
3. The anti-drop device with chain protection mechanism according to claim 2, wherein a bolt is fixedly connected to the first chain, the bolt passes through the first fixing plate, at least two nuts are screwed on the bolt, and the nuts are respectively disposed on two sides of the first fixing plate.
4. The anti-drop device with the chain protection mechanism according to claim 2, comprising a wire wheel, wherein the wire wheel is coaxially connected with the chain wheel, the wire wheel is provided with a wire slot, a wire is wound in the wire slot, a retainer ring is fixed on one side of the wire passing through the first fixing plate, a spring is arranged between the retainer ring and the first fixing plate, and the spring is sleeved on the wire.
5. The anti-drop device with chain protection mechanism as claimed in claim 1, wherein the upright post is provided with a sliding slot, the pulley body is coupled with a first roller, the first roller rolls on two inner side surfaces opposite to the sliding slot, the pulley body is adjustably fixed with a second roller, the second roller rolls on a surface of the bottom surface of the sliding slot, and the surface of the second roller is exposed out of one side of the first roller away from the pulley body.
6. The anti-drop device with the chain protection mechanism according to claim 5, wherein a base plate is fixed on the pulley body, the base plate is provided with a through hole, a first bolt penetrates through the through hole and is in threaded connection with an adjusting plate, the adjusting plate is provided with a waist hole, a second bolt penetrates through the waist hole and is in threaded connection with the base plate, and a second roller is fixedly connected to one side of the base plate, which is far away from the first bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432611.7A CN107054985B (en) | 2017-06-09 | 2017-06-09 | Anti-falling device with chain protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432611.7A CN107054985B (en) | 2017-06-09 | 2017-06-09 | Anti-falling device with chain protection mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107054985A CN107054985A (en) | 2017-08-18 |
| CN107054985B true CN107054985B (en) | 2023-04-14 |
Family
ID=59593786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710432611.7A Active CN107054985B (en) | 2017-06-09 | 2017-06-09 | Anti-falling device with chain protection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107054985B (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879854B (en) * | 2014-03-04 | 2016-06-22 | 浙江迦南科技股份有限公司 | Fall arrest lifting feed device and using method thereof |
| CN106337586B (en) * | 2016-10-11 | 2019-01-22 | 安徽乐库智能停车设备有限公司 | A kind of high efficiency driver apparatus of stereo garage |
-
2017
- 2017-06-09 CN CN201710432611.7A patent/CN107054985B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107054985A (en) | 2017-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2627119C (en) | Telescoping conveyor drive system | |
| EP2749522B1 (en) | Vertical lifting device. | |
| CN204528987U (en) | Ratchet type safety protective device | |
| CN105641880B (en) | A kind of pole-climbing mechanism for bionical steps climbing robot | |
| CN102849406A (en) | Tensioning device of tube chain machine | |
| CN107054985B (en) | Anti-falling device with chain protection mechanism | |
| KR20120046903A (en) | Aerial cableway | |
| CN108843233B (en) | Oblique/vertical ladder anti-falling protection device | |
| CN107188078B (en) | Anti-falling device | |
| WO2015081423A1 (en) | An elevator system (for silos, reservoirs, wind aeolian structures, electric towers, radio towers and frequency signals transmission towers, any other towers and any other high structures) with two emergency breaking safety device, a shock-proof system, a motorised (or engine or electric) winch and two lateral guiding tracks | |
| CN206799072U (en) | Anti-drop device | |
| CN102046902A (en) | Telescopic mast | |
| CN206502572U (en) | The pneumatic Three-dimensional lifting platform of application monomer | |
| JP2011173719A (en) | Chain abrasion detecting device | |
| CN206798454U (en) | Anti-drop device with chain protection mechanism | |
| CN104909139B (en) | Constant-torque integral broken belt catching device and catching method thereof | |
| EP3224192B1 (en) | Trolley for a lifting apparatus | |
| CN104608655A (en) | Cable tension monitor and tension compensation device | |
| WO1996041739A1 (en) | Electric trolley conveyor for transporting widely varying loads over various planes | |
| CN204162289U (en) | Auto-coupling and there is its dynamic compaction machinery | |
| CN208790977U (en) | A kind of automatic safety device when multi-rope friction hoisting machine pulleying, over-discharge | |
| US4065122A (en) | Emergency brake for movable conveyor | |
| CN211393634U (en) | Tower crane anti-climb safety device | |
| CN210985442U (en) | Ground wire anti-falling protection device | |
| CN215754836U (en) | Belt fracture protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |