CN207108316U

CN207108316U - A kind of crane elevating mechanism

Info

Publication number: CN207108316U
Application number: CN201720906070.2U
Authority: CN
Inventors: 王宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-07-25
Filing date: 2017-07-25
Publication date: 2018-03-16
Anticipated expiration: 2027-07-25

Abstract

The utility model discloses a kind of crane elevating mechanism, including base, the first expansion link, the second expansion link and suspension hook, the side of the base is provided with hydraulic jack, and the side of hydraulic jack is provided with the first expansion link, suspension hook is installed below first fixed pulley, motor is installed on base between the hydraulically extensible bar and hydraulic jack, retracting roller is installed on the power transmission shaft, retracting rope is wound between the adjacent separator, the retracting roller is connected by furling rope through the first fixed pulley with the second fixed pulley.The utility model is by being provided with the first fixed pulley and the second fixed pulley, so that the stress of pulley spindle tends to balance, lifting hook pulley group is not susceptible to side and carries stress, there is the probability ruptured because side carries stress so as to reduce lifting hook pulley group, simultaneously by coordinating with the first fixed pulley, can be used two suspension hook hoisting heavies, keep balance, reduce because carry it is unstable and caused by article damage.

Description

A kind of crane elevating mechanism

Technical field

It the utility model is related to crane accessory technical field, specially a kind of crane elevating mechanism.

Background technology

With Chinese large-sized infrastructure construction in recent years, energy industry, real estate industry, petrochemical industry and shipbuilding industry Etc. the fast development of industry, the manufacturing development of the heavy-duty machineries such as China's crane is greatly driven, wherein in the market Crane species it is increasingly various, among the accessory of crane, derricking gear is one of essential accessory again, but mesh Preceding derricking gear is generally sling when slinging carrying heavy goods with a suspension hook, it is likely that when carrying, weight occurs not Surely, dropping for weight is caused, brings huge loss, or even staff can be injured by a crashing object, jeopardizes the life security of staff, This potential safety hazard, it would be highly desirable to solve.

Utility model content

The purpose of this utility model is to provide a kind of crane elevating mechanism, to solve what is proposed in above-mentioned background technology Problem.

To achieve the above object, the utility model provides following technical scheme：A kind of crane elevating mechanism, including bottom Seat, the first expansion link, the second expansion link and suspension hook, the side of the base are provided with hydraulic jack, and the side of hydraulic jack First expansion link is installed, the bottom of first expansion link away from hydraulic jack one end is provided with electromagnetism slide rail, and electromagnetism is slided The bottom of rail is uniformly provided with the first fixed pulley by electromagnetism sliding block, is provided with suspension hook below first fixed pulley, and hang The middle position of hook is provided with anticreep frame by the second support shaft, and the bottom of the suspension hook is fixed with welding block, and welding block Middle position the first support shaft is installed, anti-decylization is installed, and anti-decylization bottom above first support shaft Both sides are provided with sliding groove, the sliding groove and the first support axis connection, and housing is provided with above the suspension hook, and in housing The bottom in portion is provided with lower locating piece, and the top of the enclosure interior is provided with locating piece, the upper locating piece and lower positioning Bearing is installed, the top of the suspension hook extends to the inside of locating piece, the shell through lower locating piece and bearing between block The both sides of body are all provided with frame plate, and frame plate is all connected by the second expansion link with housing, and the top of the frame plate is all provided with Preformed hole, is provided with sliding axle between the frame plate above the housing, and sliding axle passes through preformed hole, the cunning between the frame plate Second fixed pulley is uniformly installed, the opposite side of the base is vertically provided with hydraulically extensible bar, and hydraulically extensible bar on moving axis Top be hinged the bottom of the first expansion link, motor is installed on the base between the hydraulically extensible bar and hydraulic jack, and The output end of motor is horizontally installed with power transmission shaft, is provided with retracting roller on the power transmission shaft, and furl uniformly be provided with roller every Plate, retracting rope is wound between the adjacent separator, and the retracting roller is determined by furling rope through the first fixed pulley and second Pulley connects.

Preferably, the both ends of the electromagnetism slide rail are all provided with fixed block.

Preferably, the surface at the sliding axle both ends is provided with screw thread, and is provided with the inwall of preformed hole and screw thread phase The thread groove mutually coordinated.

Preferably, the junction of the suspension hook and anticreep frame is provided with limited block.

Preferably, the outer surface of the suspension hook is provided with waterproof layer.

Compared with prior art, the beneficial effects of the utility model are：The crane elevating mechanism is set by being provided with There are anticreep frame, anti-decylization, welding block, the first support shaft and the second support shaft, welding block is hinged with anticreep by the first support shaft Ring, the inner space of suspension hook is not interfered with, it is necessary to during hoisting heavy, anti-decylization pull-up need to be only placed in anticreep frame, is prevented De- frame is due to the gravity of anti-decylization and the position-limiting action of limited block so that rope is firmly arranged on the inside of suspension hook, anticreep effect Fruit is good only need to remove anti-decylization, simple and convenient, Labor-saving safety, it is necessary to when unloading loads from anticreep frame, while device By being provided with housing, upper locating piece, bearing and lower locating piece, through upper locating piece, bearing, it is lower fixed to extend on the top of suspension hook The connecting portion of the inside of position block, suspension hook and steel wire rope is not fixed, and the feelings that suspension hook rotation occurs are stretched in steel wire rope stress After condition, torque in steel wire rope can be discharged in the case of suspension hook is non-rotary, so as to prevent suspension hook in operation process The hidden danger that rotating band comes, reduces unnecessary loss, while device is by being provided with the first fixed pulley and the second fixed pulley, when for During one steel wire rope, the second fixed pulley among steel wire penetrating, determine when for two steel wire ropes, the second of steel wire penetrating both sides Pulley so that the active force that steel wire rope is put on suspension hook acts on the middle part of pulley spindle so that the stress of pulley spindle tends to be flat Weighing apparatus, lifting hook pulley group are not susceptible to side and carry stress, the probability ruptured occur because side carries stress so as to reduce lifting hook pulley group, simultaneously By coordinating with the first fixed pulley, two suspension hooks can be used in device, carry out hoisting heavy so that balance is kept during lifting, is reduced Because carry it is unstable and caused by article damage, while device can adjust by being provided with expansion link, frame plate and pulley spindle, expansion link The distance between two frame plates, pulley spindle pass through the preformed hole in frame plate, rear telescopic rod shorten, lead between pulley spindle and frame plate Nut is crossed, so that assembly pulley can be dismantled, replaces and repaired, and reduce the replacing construction of suspension hook, improves lift heavy The efficiency of operation.

Brief description of the drawings

Fig. 1 is schematic elevation view of the present utility model；

Fig. 2 is retracting roller partial schematic diagram of the present utility model；

Fig. 3 is the first fixed pulley partial schematic diagram of the present utility model；

Fig. 4 is suspension hook side view partial schematic diagram of the present utility model；

Fig. 5 is suspension hook schematic elevation view of the present utility model；

Fig. 6 is partial schematic diagram of the present utility model；

In figure：The fixed pulleys of 1- first；2- hydraulically extensible bars；3- bases；The expansion links of 4- first；5- retracting ropes；6- furls roller； 7- hydraulic jacks；8- control cabinets；9- single-chip microcomputers；10- dividing plates；11- power transmission shafts；12- motors；13- electromagnetism slide rails；14- electromagnetism is slided Block；15- pulley spindles；The expansion links of 16- second；17- anticreep framves；18- sliding grooves；The support shafts of 19- first；20- welding blocks；21- Two fixed pulleys；22- frame plates；23- limited blocks；The support shafts of 24- second；25- anti-decylizations；26- suspension hooks；The upper locating pieces of 27-；28- shells Body；29- bearings；Locating piece under 30-；31- preformed holes.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Refer to Fig. 1-6, a kind of embodiment provided by the utility model：A kind of crane elevating mechanism, including base 3, First expansion link 4, the second expansion link 16 and suspension hook 26, the side of base 3 are provided with hydraulic jack 7, and the side of hydraulic jack 7 First expansion link 4 is installed, bottom of first expansion link 4 away from the one end of hydraulic jack 7 is provided with electromagnetism slide rail 13, and electromagnetism is slided The bottom of rail 13 is uniformly provided with the first fixed pulley 1 by electromagnetism sliding block 14, and the both ends of electromagnetism slide rail 13 are all provided with fixed block, For preventing electromagnetism sliding block 14 from being come off from electromagnetism slide rail 13, the damage of device is caused, the lower section of the first fixed pulley 1, which is provided with, hangs Hook 26, the outer surface of suspension hook 26 are provided with waterproof layer, for preventing suspension hook from by rainwater etc. being corroded, cause to damage, and suspension hook 26 Middle position is provided with anticreep frame 17 by the second support shaft 24, and the junction of suspension hook 26 and anticreep frame 17 is provided with limited block 23, for limiting the motion of anticreep frame 17, the fastness of suspension hook 26 is improved, the bottom of suspension hook 26 is fixed with welding block 20, and welds The middle position for connecing block 20 is provided with the first support shaft 19, and the top of the first support shaft 19 is provided with anti-decylization 25, and anticreep The both sides of the bottom of ring 25 are provided with sliding groove 18, and sliding groove 18 is connected with the first support shaft 19, and the top of suspension hook 26 is provided with shell Body 28, and the bottom inside housing 28 is provided with lower locating piece 30, the top inside housing 30 is provided with locating piece 27, upper fixed Bearing 29 is installed, the top of suspension hook 26 extends to through lower locating piece 30 and bearing 29 between position block 27 and lower locating piece 30 The inside of locating piece 27, the both sides of housing 28 are all provided with frame plate 22, and frame plate 22 all passes through the second expansion link 16 and housing 28 Connection, the top of frame plate 28 are all provided with preformed hole 31, sliding axle 15 are provided between the frame plate 22 of the top of housing 28, and slide Axle 15 passes through preformed hole 31, and the surface at the both ends of sliding axle 15 is provided with screw thread, and is provided with the inwall of preformed hole 31 and screw thread The thread groove of mutual cooperation so that sliding axle 15 can be removed and installed with frame plate 28, be easy to carrying and the dimension of staff Protect, second fixed pulley 21 is uniformly installed on the sliding axle 15 between frame plate 22, the opposite side of base 3 is vertically provided with hydraulic pressure and stretched Contracting bar 2, and the top of hydraulically extensible bar 2 is hinged the bottom of the first expansion link 4, the bottom between hydraulically extensible bar 2 and hydraulic jack 7 Motor 12 is installed on seat 3, the model of the motor 12 can be Y90S-2, and the output end of motor 12 is horizontally installed with power transmission shaft 11, retracting roller 6 is installed on power transmission shaft 11, and furl and dividing plate 10 is uniformly installed on roller 6, it is wound between adjacent separator 10 Retracting rope 5, retracting roller 6 are connected by furling rope 5 through the first fixed pulley 1 with the second fixed pulley 21.

Operation principle：In use, during firstly the need of hoisting heavy, only the pull-up of anti-decylization 25 need to be placed on anticreep frame 17 Interior, anticreep frame 17 is due to the gravity of anti-decylization 25 and the position-limiting action of limited block 23 so that rope is firmly arranged on suspension hook 26 Inside, good anti-drop effect, hydraulic jack 7 run, and the first expansion link 4 is stretched under the operation of hydraulic jack 7, so as to band The movement of dynamic suspension hook 26, the suspension hook 26 on 5 tops of retracting rope is driven to move up and down by furling the operating of roller 6, then the first fixed pulley 1 Moved in the case where the operation of electromagnetism sliding block 14 drives, adjust the distance between two suspension hooks 26, rear hanger 26 catch on article progress Sling, stabilization when ensureing to sling, avoid, because article drops from the air accidentally, causing the situation of injury to personnel to occur, so as to carry The high security of device, protects the personal safety of staff, then article is directly moved to the position specified by suspension hook 26 Put, carry out installment work, save the amount of labour that staff carries article manually, save the time, improve the motor-driven of device Property, it is necessary to when unloading loads, anti-decylization 25 need to only be removed from anticreep frame 17, simple and convenient, Labor-saving safety.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.

Claims

1. a kind of crane elevating mechanism, including base（3）, the first expansion link（4）, the second expansion link（16）And suspension hook（26）, It is characterized in that：The base（3）Side hydraulic jack is installed（7）, and hydraulic jack（7）Side be provided with first and stretch Contracting bar（4）, first expansion link（4）Away from hydraulic jack（7）The bottom of one end is provided with electromagnetism slide rail（13）, and electromagnetism is slided Rail（13）Bottom pass through electromagnetism sliding block（14）The first fixed pulley uniformly is installed（1）, first fixed pulley（1）Lower section peace Equipped with suspension hook（26）, and suspension hook（26）Middle position pass through the second support shaft（24）Anticreep frame is installed（17）, it is described to hang Hook（26）Bottom be fixed with welding block（20）, and welding block（20）Middle position the first support shaft is installed（19）, institute State the first support shaft（19）Top anti-decylization is installed（25）, and anti-decylization（25）The both sides of bottom are provided with sliding groove （18）, the sliding groove（18）With the first support shaft（19）Connection, the suspension hook（26）Top be provided with housing（28）, and shell Body（28）Internal bottom is provided with lower locating piece（30）, the housing（30）Internal top is provided with locating piece（27）, The upper locating piece（27）With lower locating piece（30）Between bearing is installed（29）, the suspension hook（26）Top pass through lower positioning Block（30）And bearing（29）Extend to locating piece（27）Inside, the housing（28）Both sides frame plate is all installed（22）, And frame plate（22）All pass through the second expansion link（16）With housing（28）Connection, the frame plate（28）Top be all provided with preformed hole （31）, the housing（28）The frame plate of top（22）Between sliding axle is installed（15）, and sliding axle（15）Through preformed hole （31）, the frame plate（22）Between sliding axle（15）On the second fixed pulley is uniformly installed（21）, the base（3）It is another Side is vertically provided with hydraulically extensible bar（2）, and hydraulically extensible bar（2）Top be hinged the first expansion link（4）Bottom, the liquid Press expansion link（2）With hydraulic jack（7）Between base（3）On motor is installed（12）, and motor（12）Output end it is horizontal Power transmission shaft is installed（11）, the power transmission shaft（11）On retracting roller is installed（6）, and furl roller（6）On dividing plate is uniformly installed （10）, the adjacent dividing plate（10）Between be wound with retracting rope（5）, the retracting roller（6）Restricted by furling（5）Through first Fixed pulley（1）With the second fixed pulley（21）Connection.

A kind of 2. crane elevating mechanism according to claim 1, it is characterised in that：The electromagnetism slide rail（13）Both ends Fixed block is all installed.

A kind of 3. crane elevating mechanism according to claim 1, it is characterised in that：The sliding axle（15）The table at both ends Face is provided with screw thread, and preformed hole（31）Inwall at be provided with screw thread cooperate thread groove.

A kind of 4. crane elevating mechanism according to claim 1, it is characterised in that：The suspension hook（26）With anticreep frame （17）Junction limited block is installed（23）.

A kind of 5. crane elevating mechanism according to claim 1, it is characterised in that：The suspension hook（26）Outer surface set It is equipped with waterproof layer.