CN106629450A - Fallproof safety device for electric hoist - Google Patents
Fallproof safety device for electric hoist Download PDFInfo
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- CN106629450A CN106629450A CN201611091439.5A CN201611091439A CN106629450A CN 106629450 A CN106629450 A CN 106629450A CN 201611091439 A CN201611091439 A CN 201611091439A CN 106629450 A CN106629450 A CN 106629450A
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- cone pulley
- electric block
- reel
- electric
- friction cone
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- 238000010276 construction Methods 0.000 description 3
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- 230000005484 gravity Effects 0.000 description 3
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- 240000009087 Crescentia cujete Species 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 244000174681 Michelia champaca Species 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
- B66D1/58—Safety gear responsive to excess of load
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a fallproof safety device for an electric hoist. The device efficiently solves the problem that an electric hoist falls when the electric hoist is overweight. According to the technical scheme of solving the problem, the electric hoist includes a first electric motor that is connected with a first friction bevel pulley that is matched with a second friction bevel pulley that is inserted with a second driving rotating shaft, a first spring is arranged in the second friction bevel pulley and positioned at the front end of the second friction bevel pulley, the middle wall of the second friction bevel pulley is connected with the second driving rotation shaft in a screw joint mode; a first rotation shaft is fixed on a mounting plate and provided with a cross-shaped rotation plate that can rotate around the first rotation shaft, the left portion of the cross-shaped rotation plate is arranged with a reel in a sleeved mode and the reel is wound with steel wire rope.
Description
Technical field
The present invention relates to electric block technical field, particularly a kind of to be used for electric block falling-proof safety device.
Background technology
Electric block is a kind of extraordinary crane gear, and on overhead traveling crane, straddle truck, electric block has small volume,
It is simple to operate from heavy and light, the features such as easy to use, for places such as industrial and mining establishment, storage, harbours.
Steel-wire rope type electric block is a kind of small lifting equipment, and steel-wire rope type electric block has compact conformation, lightweight, body
Product is little, and component universality is strong, and the advantages of easy to operate, it both can be arranged separately on I-steel, it is also possible to supporting installation
Use on the cranes such as electric or hand single-beam, twin beams, cantilever, gantry.What motor was generally used is Cone-shaped electric machine, after stopping
Be automatically locked band-type brake, and the steel wire rope supporting with it includes phosphorized coating steel wire rope, galvanized steel wire rope and bright wire rope.
Electric block is mainly used in various liftings, migration, handling of heavy goods, such as oil tank face-down bonding, various big-and-middle-sized concretes, steel
The installation and movement of structure and plant equipment, it is adaptable to construction and installation company, the civil construction project of factories and miness and bridge construction, electricity
Power, ship, automobile making, building, highway, bridge, metallurgy, mine, side slope tunnel, hoistway administer the infrastructural projects such as protection
Plant equipment.
The use of electric block is very universal, but electric block on crossbeam when walking, due to the material of crossbeam it is general
It is that Steel material makes, with metal fatigue（Refer to material pulsating stress effect under, at one or a few places gradually produce local
Permanent accumulated damage, cracks or occurs suddenly the process for rupturing completely Jing after certain cycle-index）, and, when electronic
During calabash overload load operation, the performance of the bearing capacity, wearability and anti-contact fatigue of electric block all can be reduced, and cause electronic
Calabash comes off from crossbeam, causes serious security incident.
And occur in the accident fallen in electric block, great majority are produced under electric block overweight condition, due to
Operator intuitively cannot accurately judge whether article is overweight, so producing fluke mind sometimes and using electric block to rise
Overweight article is hung, so as to cause serious security incident.
Electric block is overweight, and brought danger seriously threatens the life security of operator, but overweight for this
Phenomenon, operator can not accurately judge all the time and assess for operator, there is hidden danger all the time.
Therefore, the present invention provides a kind of electric block falling proof device, effectively prevents falling for electric block.
The content of the invention
For above-mentioned situation, to overcome the defect of prior art, the present invention to provide a kind of for electric block fall arrest peace
Full device, effectively solves existing electric block after prolonged or causes electric block to fall when overweight, so as to
Threaten the problem of operator's life security.
The present invention includes that crossbeam, slide rail, housing, electric block device, slide rail are placed in crossbeam, and housing can be slided on slide rail
Dynamic, electric block device is placed in housing, it is characterised in that the electric block device includes the first motor, the first motor Jing
First drive shaft is connected with the first friction cone pulley, and the first friction cone pulley is combined with the second friction cone pulley, in the second friction cone pulley
It is interspersed with the second drive shaft, is provided with the first spring being enclosed within the second friction cone pulley in the front end of the second friction cone pulley, second
The intermediate inner wall of friction cone pulley is to be threadedly coupled with the second drive shaft；
Installing plate is fixed with housing, installing plate is provided with first rotating shaft, and first rotating shaft is provided with cross flap, and cross flap can
Rotate around first rotating shaft, reel is cased with the first member plate of cross flap, steel wire rope is wound with reel, on the right-hand member of cross flap
Be provided with first boss, the right-hand member of installing plate is provided with the clamp of rotatable L-shaped, clamp lower end is provided with arc groove, first boss with
The left end contact of clamp, is provided with extension board below installing plate, extension board is provided with the second rotating shaft, is cased with the second rotating shaft removable
Dynamic push rod, is fixed with second boss on push rod, the upper and lower ends of cross flap are connected to rotatable push pedal, and two push away
Jing second springs connection between plate, wherein, the push pedal contact second boss of lower end, the top board of the lower end integrally connected L-shaped of push rod,
The top board of L-shaped is provided with the first groove, and the electric switch corresponding with push rod and corresponding with top board is respectively equipped with the outside of clamp
Vertical gripper shoe, gripper shoe is placed in the first groove；
The gripper shoe upper end is connected with the reverse U-board for being placed in beam top, and the lower end of reverse U-board is placed in the both sides of housing
And expansion link is connected with, the upper end of expansion link is provided with ejection storehouse, ejects the step card that the placement of the spring-compresseds of Jing the 3rd is provided with storehouse
Block, the upper surface of crossbeam is provided with the second groove matched with step fixture block, and step fixture block is placed in the second groove after ejecting；
The bottom surface of the crossbeam is electric magnet, and electric magnet connection electric switch, housing is contacted with slide rail contact surface for metal.
Preferably, the first friction cone pulley Jing first bearing seats are connected with the first drive shaft, in the first friction cone pulley
It is plugged with key.
Preferably, the second friction cone pulley is in ladder integrated.
Preferably, the left end of the cross flap is arranged with cylinder, and reel is arranged with cylinder, and reel and second drive and turn
Axle connects, and reel is provided with steel wire breast board.
Preferably, push pedal difference Jing the 3rd rotating shaft connections at the cross flap two ends, wherein, the push pedal of lower end is by arc
Plate and L shaped plate integrally connected, a side contacts second boss of L shaped plate.
Preferably, the curved transition of the right-hand member of the top board, the curved transition in lower end of gripper shoe.
Preferably, the trapezoidal shape of described installing plate, and the second drive shaft, push rod, electric switch, gripper shoe are inclined sets
Put.
Preferably, with the second drive shaft to be freely flexibly connected, the springs of Jing the 4th are connected with arc to the reel on reel
Degree pendulum pawl, radian pendulum pawl medial wall is provided with engaging tooth, and radian pendulum pawl is L-shaped and the radian pendulum pawl other end is rotated and is connected to reel
On, the second drive shaft is provided with cylinder table, and cylinder table connects cambered fork, and radian fork is put with the radian with engaging tooth
Pawl is meshed.
Present configuration is ingenious, and by the improvement of the normal work structure to electric block electric block not only can be caused
Normal work, the situation after also electric block is slightly overweight for after makees lower place mat, dangerous feelings when solving slightly overweight
Condition, when overweight excessive, the cross flap of originally normal work serves the effect that electric block is protected by electric magnet again, no
It is final safe against all possibilities only thus, while electric magnet is protected, cross flap also causes some row chain reactions by top board
Ensure that electric block will not fall, no matter which kind of situation occurs, electric block is all without falling suddenly, it is to avoid safe thing occur
Therefore, it is ensured that the inherently safe of operator.
Description of the drawings
Fig. 1 is present invention entirety front view schematic diagram.
Fig. 2 is reel of the present invention and the second drive shaft connection diagram.
Fig. 3 is top board of the present invention and support bar cooperation schematic diagram.
Fig. 4 is the structural representation that expansion link of the present invention is fixed on housing on crossbeam.
Fig. 5 is enlarged drawing at A in Fig. 1.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to figures 1 through Fig. 5 pair
In the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following examples, is attached with description
Figure is reference.
Each exemplary embodiment of the present invention is described below with reference to accompanying drawings.
Embodiment one, the present invention is mainly used for the improvement to electric block fall arrest, while fall arrest is improved, will
The type of drive of electric block is also made to change, but the first motor 4 remains existing Cone-shaped electric machine, and its structure still can be real
The start-stop of existing electric block, stop after being automatically locked the function of band-type brake.
Crossbeam 1 is included in the present invention, slide rail 2, housing 3, electric block device, crossbeam 1 can make electric block at it
Upper movement, concrete movement realizes that electric block device is core apparatus, both including the drive of electric block by slide rail 2
Dynamic device, also including the falling proof device of electric block, housing 3 can be moved as shell on slide rail 2, and electric block is filled
Put and be fixed in housing 3, the driving force in electric block device is the first motor 4, and the first motor 4 is existing Cone-shaped electric machine,
Automatic start-stop and automatic band-type brake, the connection of 4 the first drive shafts of Jing of the first motor 5 first friction cone pulley 6, the first friction can be realized
Cone pulley 6 is combined with the second friction cone pulley 7, and the first friction friction cone pulley 7 of cone pulley 6 and second is not gear engagement, but is relied on
Friction engagement, now first friction cone pulley 6 the second friction cone pulley 7 can be driven to rotate, second friction cone pulley 7 in second driving
Rotating shaft 8 is realized rotating, and the centre that there is the first spring 9, the second friction cone pulley 7 front end in the second friction cone pulley 7 is driven with second
Dynamic rotating shaft 8 connects by screw thread 10, has installing plate 11 in housing 3, there is cross flap 13 on installing plate 11, and cross flap 13 can
To realize rotating around first rotating shaft 12, and the left end in cross flap 13 is arranged with reel 14, is, for lay winding wire ropes 15, to enter
And article is lifted and declines, the right-hand member of cross flap 13 has first boss 16, and first boss 16 withstands the high order end of clamp 17,
Clamp 17 can be rotated, and have arc groove 18 below clamp 17, have the second rotating shaft 20 in the lower section of installing plate 11, second turn
Have on axle 20 can in the push rod 21 in the second rotating shaft 20, push rod 21 can in the second rotating shaft 20 slidably, push rod 21
Right-hand member is withstood by arc groove 18, also has a second boss 22 on push rod 21, and two ends of the cross flap about 13 have and can rotate
Push pedal 23, push pedal 23 is withstood by second boss 22, by the second spring 24 that compression stress and toughness are very strong between two push pedals 23
Connection, when cross flap 13 is rotated, can compress second spring 24, have and the correspondence position of push rod 21 on the right side of clamp 17
Electric switch 27, when push rod 21 departs from clamp 17, push rod 21 can contact electric switch 27, have L-shaped with push rod 21 integrally connected
Top board 25, the top board 25 of L-shaped and the integrally connected of push rod 21, there is the gripper shoe corresponding with the top board 25 of L-shaped in the outside of clamp 25
28, after having the first groove 26, the top board 25 of L-shaped to follow push rod 21 to move on the top board 25 of L-shaped, the top board 25 of L-shaped will can be propped up
The top of fagging 28 is got on, and gripper shoe 28 is placed in the first groove 26, so as to the position of gripper shoe 28 be lifted up, gripper shoe
28 upper ends are connected with reverse U-board 29, upwards move reverse U-board 29 simultaneously when gripper shoe 28 is moved upwards, in shell
The upper end that there is expansion link 30, expansion link 30 both sides of body 3 connects reverse U-board 29, has an ejection storehouse in the upper end of expansion link 30
31, the interior step fixture block 33 for there are the springs 32 of Jing the 3rd to be compressed in storehouse 31 is being ejected, when reverse U-board 29 is lifted up, by bullet
Export 31 is lifted up, and ejects storehouse 31 and starts to be kept off by the lattice of crossbeam 1, therefore step fixture block 33 is extruded, and is higher than horizontal stroke when storehouse 31 is ejected
During beam 1, eject storehouse 31 and rapidly eject in the effect of the 3rd spring 32, step fixture block 33 is stuck in rapidly the second groove 34, by housing 3
The upper end of crossbeam 1 is fixed on, when crossbeam 1 is contacted with housing 3, the contact surface of crossbeam 1 is electric magnet 35, and electric magnet 35 is constantly in
Whether obstructed electricity condition, be powered by electric switch 27 to controlling, and the contact surface of housing 3 is metal.
Embodiment one has described all complete technical characteristic, it is possible to achieve the normal work of electric block, and
Describe when overweight, a series of structure actions that electric block is caused, realize the protection to total and electric block
Anti-falling safe protection, and specifically how to work, can also specifically describe following.
Embodiment two, on the basis of embodiment one, when the first friction cone pulley 6 is connected with the first drive shaft 5 on axle
Using to first bearing seat 36, and connected by key 37 on cross section.
Embodiment three, on the basis of embodiment one, above-described second friction cone pulley 7 front end, centre are because handle
Second friction cone pulley 7 is designed as integrally connected and stepped, the second friction cone pulley 7 for it is step-like can also.
Example IV, on the basis of embodiment one, in order to preferably install reel 14, in the left end elder generation of cross flap 13
Cylinder 38 is cased with, then reel 14 is cased with cylinder 38 so that reel 14 can be rotated, and driven by the second drive shaft 8, rolled up
Steel wire breast board 39 on cylinder 14 can prevent the sideslip of steel wire rope 15.
Embodiment five, on the basis of embodiment one, the push pedal 23 of cross flap 13 can be rotation, and the present invention passes through
Rotation is realized in the 3rd rotating shaft 40 being fixed on cross flap 13, and wherein the push pedal 23 of lower end can be by arc 41 and L-shaped
The integrally connected of plate 42 is formed.
Embodiment six, on the basis of embodiment one, in order to preferably allow top board 25 to push up up gripper shoe 28,
Allow their contact to be changed into radian contact, therefore the lower end of the right-hand member of top board 25 and gripper shoe 28 is designed as into arc-shaped transition.
Embodiment seven, on the basis of embodiment one, installs for convenience, installing plate 11 is designed as trapezoidal, the second drive
Dynamic rotating shaft 8, push rod 21, electric switch 27, gripper shoe 28 are obliquely installed.
Embodiment eight, on the basis of embodiment one, in order to further protect the first motor 4 so that the second drive shaft 8
It is connected freely to rotate with reel 14, that is to say, that when the second drive shaft 8 is rotated, reel 14 does not follow rotation, and due to volume
The cylinder connection radian pendulum pawl 44 of 14 the 4th springs of Jing 43, the second drive shaft 8 connects cambered fork 47, radian pendulum pawl 44 and radian
The Jing engaging tooths of fork 47 coordinate so that the second drive shaft 8 and reel 14 become an entirety, therefore reel 14 can follow the
Two drive shafts 8 are rotated.
When specifically used, the present invention will be apparent from each structure member be how to realize step by step normal work and
Protection.
When using electric block, start the first motor 4, the first motor 4 drives the first drive shaft 5 to rotate, and first drives
Dynamic rotating shaft 5 drives the first friction friction cone pulley 7 of cone pulley 6 and second to coordinate rotating shaft, the second friction cone pulley 7 to drive the second drive shaft
8 rotate, and the second drive shaft 8 is rotated with movable reel 14, so as to realize the raising and lowering to reel 14, when stopping suddenly,
Due to this body structure of Cone-shaped electric machine, reel can be automatically locked band-type brake, and this is the structure of existing electric block, is known skill
Art, in secondary this this partial content is no longer elaborated, and is improved content just for the present invention and is described in detail.
Importantly, when article is overweight, the present invention is how ingenious solution and works.
When overweight, the first friction cone pulley 6 is rotated counterclockwise, and the first friction cone pulley 6 is nibbled with the friction cone pulley 7 of key 37, second
After conjunction, the second friction drive shaft 8 of cone pulley 7 and second is rotated, direction as shown in Figure 1, and by the effect of key 37, screw thread 10 is the
Can do in two friction cone pulleys 7 it is a small amount of slide axially, when overweight, the first friction friction cone pulley 7 of cone pulley 6 and second is produced and slided relatively
Move and make mechanism's cisco unity malfunction, the second friction cone pulley 7 for being now threaded 10 slides from right to left, and the first spring 9 enters
One step is compressed and the first friction friction of cone pulley 6 and second cone pulley 7 is further compressed, and increases frictional force, so as to mechanism
Can remain in operation again, and when overweight cancellation, the second friction cone pulley 7 for being threaded 10 is just moved from left to right, that is, weaken
The pressure of the first spring 9 so that the frictional force of the first friction friction cone pulley 7 of cone pulley 6 and second reduces, and the mechanism can realize
When article is overweight few, electric block can be according to its structure of itself adjust automatically, acquired effect, it is possible to achieve super
Normal work in the same old way during weight, will not damage the first motor 4 when overweight, and the self adaptation situation of mechanism itself can protect first electric
Machine 4 is not damaged.
The direction of indication of the present invention is one of which embodiment direction, is the direction according to indication in Figure of description,
Concrete rotation direction can be to be changed according to practical situation, and the rotation direction in the present invention is intended merely to convenient description and assumes
A kind of direction, be comparatively.
When article is not overweight, the position of cross flap 13 is constantly in position as described in Figure 1, the lower section of cross flap 13
Push rod 21 is stopped that cross flap 13 can not be rotated by arc groove 18, when article is overweight excessive, now first friction cone pulley
6 and second friction cone pulley 7 be unsatisfactory for it is self-reacting in the case of, reel 14 bears gravity by the seat end of cross flap 13
Rotate around first rotating shaft 12 downwards, now second spring 24 is compressed, and the right-hand member of cross flap 13 is rotated up, slowly push card
The left end of plate 17, clamp 17 is rotated, after clamp 17 is rotated, when arc groove 18 will depart from push rod 21, due to the second bullet
Spring 24 is compressed, and push pedal 23 will promote second boss 22 to drive push rod 21 quickly to move right, and now push rod 21 will rapidly to the right
Motion, and electric switch 27 is clashed into, electric switch 27 contacts and electric magnet 35 is powered, and now the electromagnet 35 on crossbeam 1 has magnetic
Property will be adsorbed to the metal of the upper end of housing 3, prevent housing 3 from dropping, while push rod 21 is moved right, the top board of L-shaped
25 will move right, and withstand the lower end of gripper shoe 28, and by the jack-up upwards of gripper shoe 28, gripper shoe 28 eventually falls into the top board of L-shaped
In the first groove 26 in 25 and fixed, upwards jack-up withstands reverse U-board 29 to gripper shoe 28, and reverse U-board 29 is moved upwards
Pull expansion link 30, the ejection storehouse 31 of the upper end of expansion link 30 to be pulled upwardly, when ejection storehouse 31 is higher by crossbeam 1, eject storehouse 31
Interior quickly to be ejected by the step fixture block 33 that the 3rd spring 32 compresses, it is second recessed that step fixture block 33 is stuck on crossbeam 1 after blocking
In groove 34, now, whole housing 3 is stuck in the top of crossbeam 1, has just steadily been fixed before housing 3 does not drop.
And when electric block is overweight, in order to prevent causing the folding of cross flap 13 because reel 14 bears excessive pressure
It is disconnected, the drive shaft 8 of reel 14 and second is designed as freely activity and is rotated, because 14 the 4th springs of Jing of reel 43 connect L-shaped arc
Degree pendulum pawl 44, the connection of the second drive shaft 8 radian fork 47, radian fork 47 and radian put pawl 44 Jing after the cooperation of engaging tooth 45 into
One entirety so that the drive shaft 8 of reel 14 and second can be rotated together, and when overweight, reel 14 bears larger gravity,
The 4th spring 43 is pulled downward on, when gravity is excessive so that radian puts pawl 44 and radian fork 47 departs from, so as to reel 14 no longer
Rotated by the second drive shaft 8, electric block will quit work.
Each mechanism is all closely related, closely coupled in the present invention, is a complete entirety, it should on the whole
Hold, certain mechanism can not be departed from whole body and be separately separated out, in electric block normal work, cross flap 13
With the first friction friction cone pulley 7 of cone pulley 6, second electric block can be helped to realize normal work, and when slightly overweight, first
The friction friction cone pulley 7 of cone pulley 6 and second equally can be played a role, but the technical problem for being solved and the technique effect for obtaining
But it is different, when overweight a lot, cross flap 13 serves effect again, and acquired effect and effect is again a meaning
To less than effect.
The present invention illustrate electric block normal work, slightly overweight, overweight excessive all situations and each
The operation principle of each bindiny mechanism when situation occurs, each mechanism of electric block cooperates and completes a series of chain anti-
Should, reach unexpected technique effect.
For according to convention, it be all existing part that any parts of any equipment is gone up actually, but the present invention each zero
The ingenious combination of part so that the present invention is creative in entirety, unexpected technique effect is achieved, in other technologies
In, technology does not enlighten to solve the technical problem of the present invention.
Its work structuring theory structure is only illustrated in the present invention, but does not affect it to be a complete technical side
Case, for some shells outside its structure, parts, bolt, fixed position is not shown in detail in, and these are all conventional
Common knowledge, for person of ordinary skill in the field can be obviously to complete, therefore, no longer describe again.
The Jing screw threads 10 and second of the first friction friction friction of cone pulley 7, second of cone pulley 6 and second cone pulley 7 drive in the present invention
The friction spring 9 of cone pulley 7 and first of rotating shaft 8, second, reel 14 and cross flap 13, cross flap 13 and clamp 17, clamp 17 and
Push rod 21, push rod 21 and electric switch 27, top board 27 and support bar 28, support bar 28 and expansion link 30 etc. mechanism is entirely tight
Close contact, it is indispensable.All mechanisms are all global configurations, cooperate, the structure pulled one hair and move the whole body.
Particularly with each cooperation between the first friction friction cone pulley 7 of cone pulley 6 and second, top board 25 and gripper shoe 28
Ingenious jack-up so that expansion link 30 rises, ejects storehouse 31 and ejects so that housing 3 is stuck in the structural relation on crossbeam 1, very ingeniously
Wonderful, an original action completes that an effect can be reached, but the enforcement that the true generally existing of the present invention an action causes
A series of different mechanism's effect.
The present invention should hold on the whole, it is considered to which the present invention to be solved technical barrier during technical problem, it is believed that
Should not again pass judgment on whether it is it will be apparent that avoiding the occurrence of the problem of Zhuge afterwards after the present invention is seen.
Present configuration is ingenious, and by the improvement of the normal work structure to electric block electric block not only can be caused
Normal work, the situation after also electric block is slightly overweight for after makees lower place mat, dangerous feelings when solving slightly overweight
Condition, when overweight excessive, the cross flap of originally normal work serves the effect that electric block is protected by electric magnet again, no
It is final safe against all possibilities only thus, while electric magnet is protected, cross flap also causes some row chain reactions by top board
Ensure that electric block will not fall, no matter which kind of situation occurs, electric block is all without falling suddenly, it is to avoid safe thing occur
Therefore, it is ensured that the inherently safe of operator.
Although it will be noted that on the basis of with reference to each embodiment, the present invention has been described in the description simultaneously
And be illustrated in the accompanying drawings, but it will be understood to those skilled in the art that above-described embodiment be only preferred embodiment,
Some of embodiment technical characteristic to solve specific technical problem may it is not necessary to, such that it is able to without or save
Omit the solution or the formation of technical scheme of these technical characteristics and non-influence technique problem.Further, one embodiment
Feature, key element and/or function can be appropriate with the feature of other one or more embodiments, key element and/or function mutual group
Close, combine or coordinate, unless the combination, combination or cooperation substantially can not be implemented.
Claims (8)
1. electric block falling-proof safety device, including crossbeam are used for（1）, slide rail（2）, housing（3）, electric block device, cunning
Rail（2）It is placed in crossbeam（1）It is interior, housing（3）Can be in slide rail（2）Upper slip, electric block device is placed in housing（3）It is interior, its feature
It is that the electric block device includes the first motor（4）, the first motor（4）The drive shafts of Jing first（5）It is connected with first to rub
Wipe cone pulley（6）, the first friction cone pulley（6）It is combined with the second friction cone pulley（7）, the second friction cone pulley（7）Inside it is interspersed with the second drive
Dynamic rotating shaft（8）, the second friction cone pulley（7）Front end in be provided with and be enclosed within the second friction cone pulley（7）The first interior spring（9）, second
Friction cone pulley（7）Intermediate inner wall and the second drive shaft（8）For screw thread（10）Connection；
Housing（3）Inside it is fixed with installing plate（11）, installing plate（11）It is provided with first rotating shaft（12）, first rotating shaft（12）It is provided with
Cross flap（13）, cross flap（13）Can be around first rotating shaft（12）Rotate, cross flap（13）First member plate on be cased with reel
（14）, reel（14）On be wound with steel wire rope（15）, cross flap（13）Right-hand member be provided with first boss（16）, installing plate
（11）Right-hand member be provided with the clamp of rotatable L-shaped（17）, clamp（17）Lower end is provided with arc groove（18）, first boss（16）With
Clamp（17）Left end contact, installing plate（11）Lower section be provided with extension board（19）, extension board（19）It is provided with the second rotating shaft
（20）, the second rotating shaft（20）On be cased with moveable push rod（21）, push rod（21）On be fixed with second boss（22）, cross flap
（13）Upper and lower ends be connected to rotatable push pedal（23）, two push pedals（23）Between Jing second springs（24）Connection,
Wherein, the push pedal of lower end（23）Contact second boss（22）, push rod（21）Lower end integrally connected L-shaped top board（25）, L-shaped
Top board（25）It is provided with the first groove（26）, clamp（17）Outside be respectively equipped with and push rod（21）Corresponding electric switch（27）
And with top board（25）Corresponding vertical gripper shoe（28）, gripper shoe（28）It is placed in the first groove（26）It is interior；
The gripper shoe（28）Upper end is connected with and is placed in crossbeam（1）The reverse U-board on top（29）, reverse U-board（29）Under
End is placed in housing（3）Both sides and be connected with expansion link（30）, expansion link（30）Upper end be provided with ejection storehouse（31）, eject storehouse
（31）Inside it is provided with the springs of Jing the 3rd（32）The step fixture block that compression is placed（33）, crossbeam（1）Upper surface be provided with and step fixture block
（33）The second groove for matching（34）, step fixture block（33）The second groove is placed in after ejection（34）It is interior；
The crossbeam（1）Bottom surface be electric magnet（35）, electric magnet（35）Connection electric switch（27）, housing（3）With slide rail（2）Connect
Contacting surface is metal contact.
2. electric block falling-proof safety device is used for according to claim 1, it is characterised in that the first friction cone pulley
（6）Jing first bearing seats（36）With the first drive shaft（5）Connection, the first friction cone pulley（6）Inside it is plugged with key（37）.
3. electric block falling-proof safety device is used for according to claim 1, it is characterised in that the second friction cone pulley
（7）In ladder integrated.
4. electric block falling-proof safety device is used for according to claim 1, it is characterised in that the cross flap（13）
Left end be arranged with cylinder（38）, cylinder（38）On be arranged with reel（14）, reel（14）With the second drive shaft（8）Connection,
Reel（14）It is provided with steel wire breast board（39）.
5. electric block falling-proof safety device is used for according to claim 1, it is characterised in that the cross flap（13）
The push pedal at two ends（23）The rotating shafts of Jing the 3rd respectively（40）Connection, wherein, the push pedal of lower end（23）By arc（41）And L shaped plate
（42）Integrally connected, a side contacts second boss of L shaped plate（22）.
6. electric block falling-proof safety device is used for according to claim 1, it is characterised in that the top board（25）The right side
Hold curved transition, gripper shoe（28）The curved transition in lower end.
7. electric block falling-proof safety device is used for according to claim 1, it is characterised in that described installing plate（11）
Trapezoidal shape, and the second drive shaft（8）, push rod（21）, electric switch（27）, gripper shoe（28）It is inclined to set.
8. electric block falling-proof safety device is used for according to claim 1, it is characterised in that the reel（14）With
Two drive shafts（8）For free flexible connection, reel（14）The springs of upper Jing the 4th（43）Connect cambered pendulum pawl（44）, radian pendulum
Pawl（44）Medial wall is provided with engaging tooth（45）, radian pendulum pawl（44）L-shaped and radian pendulum pawl（44）The other end is rotated and is connected to volume
Cylinder（14）On, the second drive shaft（8）It is provided with cylinder table（46）, cylinder table（46）Connect cambered fork（47）, radian pendulum
Bar（47）With with engaging tooth（45）Radian pendulum pawl（44）It is meshed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611091439.5A CN106629450A (en) | 2016-12-01 | 2016-12-01 | Fallproof safety device for electric hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611091439.5A CN106629450A (en) | 2016-12-01 | 2016-12-01 | Fallproof safety device for electric hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106629450A true CN106629450A (en) | 2017-05-10 |
Family
ID=58814083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611091439.5A Pending CN106629450A (en) | 2016-12-01 | 2016-12-01 | Fallproof safety device for electric hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106629450A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108794094A (en) * | 2018-05-25 | 2018-11-13 | 仁怀市泓熙养殖专业合作社 | A kind of organic fertilizer processing unit (plant) |
| CN110155095A (en) * | 2019-06-06 | 2019-08-23 | 中车株洲电力机车有限公司 | Rail vehicle and its air-intake device |
| CN111493513A (en) * | 2020-04-03 | 2020-08-07 | 常州市韩发车辆配件有限公司 | Portable lifting type office table |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534071A (en) * | 2014-12-09 | 2015-04-22 | 重庆迪科汽车研究有限公司 | Transmission gear with self-adaptive function |
-
2016
- 2016-12-01 CN CN201611091439.5A patent/CN106629450A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534071A (en) * | 2014-12-09 | 2015-04-22 | 重庆迪科汽车研究有限公司 | Transmission gear with self-adaptive function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108794094A (en) * | 2018-05-25 | 2018-11-13 | 仁怀市泓熙养殖专业合作社 | A kind of organic fertilizer processing unit (plant) |
| CN110155095A (en) * | 2019-06-06 | 2019-08-23 | 中车株洲电力机车有限公司 | Rail vehicle and its air-intake device |
| CN111493513A (en) * | 2020-04-03 | 2020-08-07 | 常州市韩发车辆配件有限公司 | Portable lifting type office table |
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| PB01 | Publication | ||
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Application publication date: 20170510 |