CN207072779U

CN207072779U - A kind of jacking apparatus

Info

Publication number: CN207072779U
Application number: CN201720616500.7U
Authority: CN
Inventors: 王晓强
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-05-31
Filing date: 2017-05-31
Publication date: 2018-03-06
Anticipated expiration: 2027-05-31

Abstract

It the utility model is related to a kind of jacking apparatus, including upper supporting part and lower supporting part；Two groups of lifting rack devices are provided between the upper supporting part and lower supporting part, fixed lever apparatus is connected between two groups of lifting rack devices；Two groups of lifting rack devices are symmetrically laid in the both sides of fixed lever apparatus, and fixed lever apparatus is provided with the drive device for being used for driving lifting rack device to move up and down；Jacking apparatus of the present utility model the parallel laying of two groups of lifting rack devices, is on the one hand improved the resistance to overturning of elevating mechanism, on the other hand, ensure that the personal safety of user by two groups of symmetrical lifting rack devices；Coordinated between each other by six groups of scissor units so that jacking weight has further lifting, in addition, being coordinated by the connection between gear and leading screw, the jacking apparatus is lifted, it is simpler compared to more existing hydraulic jacking device, structure, it is easy to make, it is simple to operate, it is practical.

Description

A kind of jacking apparatus

Technical field

Equipment mounting technique field is the utility model is related to, more specifically to a kind of jacking apparatus.

Background technology

Existing jacking apparatus is a lot, for the confession in the form of hydraulic pressure as power mostly of the jacking compared with heavy material Give, for the higher occasion of environmental requirement, the power supply mode of hydraulic pressure is not easy to the control of environment, it is impossible to adapt to user to top Rise mode succinctly manageable requirement.

Problems be present in existing jacking apparatus：First, be unfavorable for equipment precision installation, increase difficulty of construction and Safe construction risk；Second, working space can be restricted；3rd, it is necessary to take larger building yard, is unfavorable for place Resource allocation and smoothing, influence the construction operation in whole building place；4th, it is necessary to many manpowers or crane coordinate installation, this Virtually increasing construction cost, the 5th, typically using hydraulic jacking system, it is necessary to be powered to carry out operation, structure is multiple It is miscellaneous, and then operating efficiency is reduced, the construction period is extended, is unfavorable for the saving of construction finished product.

To solve the above problems, applicant Wang Xiaoqiang is once entitled " a kind of portable to State Intellectual Property Office's proposition one The utility application of formula jacking apparatus ", its application number are 201620003766.X, including including lifting rack device, are used In the steel wire rope for lifting the lifting rack device, and for fastening and storing the turnbuckle device of the steel wire rope, the lifting is rack-mounted Put including upper supporting part, lower supporting part and at least one set of scissors mechanism being arranged among upper supporting part and lower supporting part, scissor Mechanism is fixed on the end of supporting part, the other end with upper supporting part and the lower removable connection of supporting part, one end of the steel wire rope Stored by turnbuckle device；The scissors mechanism is hinged including 2 identical fork arms at middle part, and the lower end of fork arm is with Supporting part is hinged by lower connecting rod, formed with the lower guide groove for fork arm lower slide, the lower connection in lower supporting part Bar can horizontally slip in lower guide groove, and drive fork arm to move up and down, corresponding, the upper end of the fork arm and upper branch Support part is hinged by upper connecting rod, formed with the upper guide groove slided for fork arm upper end, the upper connecting rod in upper supporting part It can be horizontally slipped in upper guide groove, and drive fork arm to move up and down；The defects of this patented product is present mainly installs connection Stability is not high, and steel wire rope draws high limited strength, and top lifting height and jacking weight are by a definite limitation.

For above-mentioned technical problem, therefore need to be improved.

Utility model content

The purpose of this utility model is to overcome deficiency of the prior art, there is provided it is a kind of simple in construction, it is easy to use, Using flexible, safety, stable work in work, the jacking apparatus not limited by working space also.

In order to reach object above, technical scheme is used by the utility model：A kind of jacking apparatus, including upper support Portion and lower supporting part；Be provided with two groups of lifting rack devices between the upper supporting part and lower supporting part, two groups of lifting rack devices it Between be connected with fixed lever apparatus；Two groups of lifting rack devices are symmetrically laid in the both sides of fixed lever apparatus, and fixed lever apparatus is provided with For the drive device for driving lifting rack device to move up and down.

As a kind of preferred scheme of the present utility model, it is described lifting rack device be it is based on a scissor unit and The scissors mechanism of multiple scissor units is up sequentially overlapped using it as starting point；The scissor unit include the first scissor arms with Second scissor arms, the first scissor arms, the second scissor arms are placed in superposition up and down and connect into scissor in center rotating；First scissor Under the second scissor arms, the first scissor arms in the scissor unit adjacent with portion superposed thereon of arm, the upper end of the second scissor arms End is hinged by jointed shaft；The lower end of one of scissor arms of scissor unit in the bottom is provided with bottom roller and below Wheel, the lower end of another scissor arms and the bottom of lower supporting part are hinged；Formed with for scissor arms lower slide in lower supporting part Lower guide groove, the scissor arms can horizontally slip in lower guide groove, and drive scissor unit to move up and down, corresponding , the upper end of one of scissor arms of the scissor unit in top is provided with upper roller and top wheel, another scissor arms Upper end and the top of upper supporting part be hinged；It is described formed with the upper guide groove slided for scissor arms upper end in upper supporting part Scissor arms can horizontally slip in upper guide groove, and drive scissor unit to move up and down.

As a kind of preferred scheme of the present utility model, between the first scissor arms and the second scissor arms of adjacent scissor unit It is connected with leading screw；One end of the leading screw with it is fixed but rotatably, be operatively coupled on adjacent scissor unit between, The other end of leading screw is connected with fixed lever apparatus, is provided with locking nut mechanism between leading screw and fixed lever apparatus connection, the lock Between the first scissor arms and the second scissor arms, the locking nut mechanism has and the leading screw phase interworking tight nut body The thread surface of conjunction, the locking nut mechanism can rotate between engagement and releasing orientation.

As a kind of preferred scheme of the present utility model, the scissor unit is provided with six groups, including symmetrical first Scissor unit, the second scissor unit, the 3rd scissor unit, the 4th scissor unit, the 5th scissor unit and the 6th scissor unit；Silk Thick stick is between the first scissor unit and the second scissor unit；It is connected between 3rd scissor unit and the 4th scissor unit Second leading screw；The 3rd leading screw is connected between 5th scissor unit and the 6th scissor unit；The locking nut mechanism includes phase Symmetrical first locking nut, the second locking nut and the 3rd locking nut；The fixed lever apparatus includes the first fix bar, the Two fix bars and the 3rd fix bar；The 3rd fix bar is connected among symmetrical leading screw, the first locking nut is solid positioned at the 3rd Between fixed pole and adjacent first scissor unit and the second scissor unit；The first fixation is connected among the second symmetrical leading screw Bar, the second locking nut is between the first fix bar and adjacent 3rd scissor unit and the 4th scissor unit；Symmetrical The second fix bar is connected among three leading screws, the 3rd locking nut is located at the second fix bar and adjacent 3rd scissor unit and the 4th Between scissor unit.

As a kind of preferred scheme of the present utility model, the drive device includes motor, is fixedly arranged on the second fixation Gear on bar；Motor drives the rotation of the second fix bar by chain-driving pinion rotation.

As a kind of preferred scheme of the present utility model, second fix bar is provided with second gear, the first fix bar First gear is provided with, symmetrical upper support bar device, upper support bar are connected between the first fix bar and the second fix bar Device includes the first upper support bar and the first lower support bar；First upper support bar and the first fix bar are rotatablely connected, first lower Strut and the second fix bar are rotatablely connected, and the first upper support bar and the first lower support bar central rotational are laid with connecting shaft, on Double-gear is socketed with connecting shaft；One of gear of upper Double-gear connects first gear by chain, upper Double-gear Another gear connects second gear by chain；Corresponding, the second fix bar is provided with the 3rd gear, and the 3rd fixes Bar is provided with the 4th gear, and symmetrical lower support bar device, lower support are connected between the second fix bar and the 3rd fix bar Lever apparatus includes the second upper support bar and the second lower support bar；Second upper support bar and the second fix bar are rotatablely connected, under second Support bar and the 3rd fix bar are rotatablely connected, and the second upper support bar and the second lower support bar central rotational are laid with lower connecting shaft, Lower Double-gear is socketed with lower connecting shaft；One of gear of lower Double-gear connects the 3rd gear, lower Double-gear by chain Another gear pass through chain connect the 4th gear.

As a kind of preferred scheme of the present utility model, the outer end of the leading screw, the second leading screw and the 3rd leading screw is successively It is provided with bearing and pressure bearing；

As a kind of preferred scheme of the present utility model, the length and scissor of the leading screw, the second leading screw and the 3rd leading screw The length of arm is corresponding.

As a kind of preferred scheme of the present utility model, the lower guide groove and upper guide groove is parallel to each other and position pair Should, the lower guide groove and upper guide groove are for L-type, while being length, another side is short, and short side is lower guide groove and upper guide groove Bottom surface, long side is the lateral surface of lower guide groove and upper guide groove, and the another side that long side is different from bottom surface or top surface is also attached With flange, prevent bottom roller and upper roller from jumping onto the tracks, bottom roller and upper roller and following wheel and top wheel are in lower guide groove and upper Rolled in guide groove, wherein, relative rolling is realized between bottom roller and upper roller and lower guide groove and the bottom surface of upper guide groove, and Following wheel and top wheel realize relative roll with the side of lower guide groove and upper guide groove.

As a kind of preferred scheme of the present utility model, first scissor arms and the both ends of the articulated section of the second scissor arms It is arc transition.

As a kind of preferred scheme of the present utility model, it is described lifting rack device be by one jacking unit based on and The lifting body of multiple jacking units is up sequentially connected using it as starting point；The jacking unit include two groups it is symmetrical Part is jacked, jacking part is made up of the first scissor arms and the second scissor arms, one end of first scissor arms and the second scissor arms One end be hinged by jointed shaft, the first scissor arms, the other end of the second scissor arms the jacking part adjacent with its top First scissor arms, the other end of the second scissor arms are hinged, adjacent first scissor arms and the second scissor arms of adjacent top ascending part part Between be connected with leading screw；One end of the leading screw with it is fixed but rotatably, be operatively coupled on adjacent top ascending part part it Between, the jacking part adjacent with portion superposed thereon positioned at the upper end of jacking the first scissor arms of section upper, the second scissor arms The scissor arms of bottom first, the lower end of the second scissor arms are hinged by jointed shaft；First of jacking part in the bottom is cut Lower jacking roller, the interior lower guiding formed with for lower jacking roller-coaster of lower supporting part are provided between yoke and the second scissor arms Groove, the lower jacking roller can horizontally slip in lower guide groove, and drive jacking apparatus to move up and down, corresponding, Upper jacking roller is provided between the first scissor arms and the second scissor arms of jacking part in top, is formed in upper supporting part There is the upper guide groove for upper jacking roller-coaster, the upper jacking roller can horizontally slip in upper guide groove, and drive top Device is risen to move up and down.

As a kind of preferred scheme of the present utility model, also include positioner, the positioner includes upper spacer With lower spacer；Upper spacer and lower spacer are laid with two respectively, are laid in the left and right sides end of lifting rack device respectively Portion, when positioner is on the right side of lifting rack device, one end of upper spacer is hinged with upper supporting part end, the other end and the The midpoint of one scissor arms is hinged；One end of lower spacer is hinged with lower supporting part end, in the other end and the first scissor arms Point is hinged；When positioner is on the left of lifting rack device, one end of upper spacer is hinged with upper supporting part end, another The midpoint with the second scissor arms is held to be hinged；One end of lower spacer is hinged with lower supporting part end, the other end and the second scissor The midpoint of arm is hinged.

The beneficial effects of the utility model are：

1. jacking apparatus of the present utility model is by two groups of symmetrical lifting rack devices, the parallel cloth of two groups of lifting rack devices If on the one hand improving the resistance to overturning of elevating mechanism, on the other hand, the personal safety of user ensure that；Pass through six groups Scissor unit coordinates between each other so that jacking weight has further lifting, in addition, passing through the connection between gear and leading screw Coordinate, lift the jacking apparatus, compared to more existing hydraulic jacking device, structure is simpler, easy to make, simple to operate, It is practical.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model embodiment one.

Fig. 2 is the A of the utility model embodiment one to enlarged drawing.

Fig. 3 is the C-C sectional views of the utility model embodiment one.

Fig. 4 is the B of the utility model embodiment one to enlarged drawing.

Fig. 5 is the D-D sectional views of the utility model embodiment one.

Fig. 6 is the E of the utility model embodiment one to enlarged drawing.

Fig. 7 is the F of the utility model embodiment one to enlarged drawing.

Fig. 8 is the structural representation of the utility model embodiment two.

Reference in figure：Upper supporting part 1, lower supporting part 2, the first scissor arms 3, the second scissor arms 4, leading screw 5, bottom roller 6, following wheel 7, lower guide groove 8, upper roller 9, top wheel 10, upper guide groove 11, the second leading screw 12, the first fix bar 13, second Fix bar 14, the 3rd fix bar 15, the 3rd leading screw 16, the first locking nut 17, the second locking nut 18, the 3rd locking nut 19, gear 20, motor 21, first gear 22, the first upper support bar 23, the first lower support bar 24, upper connecting shaft 25, upper pair Gear 26, second gear 27, the 3rd gear 28, the 4th gear 29, the second upper support bar 30, the second lower support bar 31, lower company Spindle 32, lower Double-gear 33, bearing 34, pressure bearing 35, lower jacking roller 36, upper jacking roller 37, upper spacer 38, under Spacer 39.

Embodiment

The utility model embodiment is elaborated below in conjunction with the accompanying drawings.

Embodiment one：

As shown in figs. 1-7, a kind of jacking apparatus, including upper supporting part 1 and lower supporting part 2；Upper supporting part 1 and lower supporting part Two groups of lifting rack devices are provided between 2, fixed lever apparatus is connected between two groups of lifting rack devices；Two groups of lifting rack devices pair Claim the both sides for being laid in fixed lever apparatus, fixed lever apparatus is provided with the driving dress for being used to drive lifting rack device to move up and down Put；Lifting rack device is based on a scissor unit and multiple scissor units is up sequentially overlapped using it as starting point Scissors mechanism；The scissor unit includes the first scissor arms 3 and the second scissor arms 4, and the first scissor arms 3, the second scissor arms 4 are in Superposition is placed and connects into scissor in center rotating up and down；First scissor arms 3, the second scissor arms 4 upper end with it is superposed thereon The second scissor arms 4, the lower end of the first scissor arms 3 in the adjacent scissor unit in portion are hinged by jointed shaft；From jacking apparatus Stability consider that the width of lower supporting part 2 is more than the width of upper supporting part 1, increase the width of lower supporting part 2, make lower support The bottom of portion 2 increases with ground lifting surface area, more stable in the lifting process of object, improves the stability of the jacking apparatus And firmness, it also ensure that the security used.

In use, the jacking apparatus can be two groups of symmetrical lifting rack devices of left and right；The lifting of two groups of left side Rack device and two groups of right side lifting rack device are placed side by side, and the lower supporting part 2 of two groups of lifting rack devices in the left and right sides On be socketed with square location-plate in indent, location-plate is contacted with ground level, and the lower supporting part 2 of two groups of lifting rack devices is put It is placed in location-plate, it is corresponding, also it is socketed with indent on the upper supporting part 1 of two groups of lifting rack devices of the left and right sides Square placement plate, place plate be used for cover the left and right sides two groups of lifting rack devices, and cause place plate top at In horizontal, so, two groups of lifting rack devices of the left and right sides pass through the location-plate of bottom and putting for top during jacking Put plate so that the jacking apparatus forms a lifting platform, and the weight jacked can increase, meanwhile, jack the stabilization of material Degree and security are also strengthened.

Certainly, two groups of lifting rack devices of the jacking apparatus can connect use for three groups or four groups, this two groups Lifting rack device is arranged in parallel or is combined into a square structure, divides in the lower supporting part 2 and upper supporting part 1 of lifting rack device Other placement positioning plate and placement plate, the volume or weight of the material jacked as needed are selected, applied widely.

Scissor unit is detachably connected with upper supporting part 1 and lower supporting part 2, and so we can be according to being actually needed situation Selected, be easy to the disassembly and installation of the jacking apparatus, reused the jacking apparatus, greatly reduce and be constructed into This.

Drive device includes motor 21, the gear 20 being fixedly arranged in the second fix bar 14；Motor 21 passes through chain Band moving gear 20 rotates, and then drives the second fix bar 14 to rotate；The position of motor 21 can be entered according to actual conditions Row selection lay, motor 21 by gear 20 drive the second fix bar 14 rotate, motor 21 can with forward or reverse, By locking nut mechanism and leading screw 5 engage the first scissor arms 3 and the second scissor arms 4 are opened or closed, for pushing up Material is risen to rise or decline；Meanwhile drive device also includes wireless remote controller, wireless receiver, controller and automatically controlled Switch, the wireless remote controller is connected with the wireless receiver using wireless communication signals, for by operational order with nothing Line mode is sent to the wireless receiver, and the controller is connected with the wireless receiver and electric-controlled switch signal respectively, The electric-controlled switch is arranged in the driving trip of motor 21, and shape is turned on or off for control motor 21 State so that the most rationalization of top lifting height.

In the present embodiment, operating personnel can be with hand-hold wireless remote control, and reaches the suitable position in jacking apparatus front end Put carry out remote control, because the position sight is unaffected, therefore in position fixing process is jacked can easily fast positioning, Improve operating efficiency.In addition, compared to existing manual control system, the present embodiment is improved by controlled in wireless mode Property and security easy to use.

It is another and the lower end of one of scissor arms of the scissor unit in the bottom is provided with bottom roller 6 and following wheel 7 The lower end of individual scissor arms and the bottom of lower supporting part 2 are hinged；Formed with for being led under scissor arms lower slide in lower supporting part 2 To groove 8, the scissor arms can horizontally slip in lower guide groove 8, and drive scissor unit to move up and down, corresponding, The upper end of one of scissor arms of scissor unit in top is provided with upper roller 9 and top wheel 10, another scissor arms Upper end and the top of upper supporting part 1 be hinged；Formed with the upper guide groove 11 slided for scissor arms upper end in upper supporting part 1, The scissor arms can horizontally slip in upper guide groove 11, and drive scissor unit to move up and down.

Lower guide groove 8 and upper guide groove 11 is parallel to each other and position correspondence, the lower guide groove 8 and upper guide groove 11 be for L-type, while be length, to be short, short side is the bottom surface of lower guide groove 8 and upper guide groove 11 for another side, and long side is lower guide groove 8 and upper The lateral surface of guide groove 11, the another side that long side is different from bottom surface or top surface are also accompanied with flange, prevent bottom roller 6 and upper Roller 9 is jumped onto the tracks, and bottom roller 6 and upper roller 9 roll with following wheel 7 and top wheel 10 in lower guide groove 8 and upper guide groove 11, its In, realize between bottom roller 6 and upper roller 9 and lower guide groove 8 and the bottom surface of upper guide groove 11 and roll relatively, and the He of following wheel 7 Top wheel 10 realizes relative roll with the side of lower guide groove 8 and upper guide groove 11.Jacking apparatus is when realizing stretching, extension, its center of gravity Constantly from inside to outside, the gravity of itself causes whole jacking apparatus to move upwards, so causes the bottommost needs of jacking apparatus Very big support force is born, following wheel 7 and top wheel 10 bear tilting force, and distance can be easily between ensure that scissor arms Realize increase, reduce.

Leading screw 5 is connected between the first scissor arms 3 and the second scissor arms 4 of adjacent scissor unit；One end of the leading screw 5 with It is fixed but rotatably, be operatively coupled between adjacent scissor unit, the other end of leading screw 5 and fixed lever apparatus Connection, locking nut mechanism is provided between leading screw 5 and fixed lever apparatus connection, the locking nut mechanism is located at the first scissor arms 3 and second between scissor arms 4, and the locking nut mechanism has the thread surface to be cooperated with the leading screw 5, the locking Nut body can rotate between engagement and releasing orientation.

Locking nut mechanism includes the first symmetrical locking nut 17, the second locking nut 18 and the 3rd locking nut 19；Each locking nut mechanism is respectively provided with internal thread, for being engaged with leading screw 5, is rotated by motor 21 with moving gear 20, And then locking nut mechanism is driven to be engaged with leading screw 5 so that scissor unit stretches or closure, and second is rotated by motor 21 Fix bar 14 is so that the 3rd locking nut 19 rises load along the 16 mutually right slip of the 3rd leading screw.

Scissor unit in the utility model is provided with six groups, including the first symmetrical scissor unit, second cuts Pitch unit, the 3rd scissor unit, the 4th scissor unit, the 5th scissor unit and the 6th scissor unit；Leading screw 5 is located at the first scissor Between unit and the second scissor unit；The second leading screw 12 is connected between 3rd scissor unit and the 4th scissor unit；The The 3rd leading screw 16 is connected between five scissor units and the 6th scissor unit；The locking nut mechanism includes symmetrical first Locking nut 17, the second locking nut 18 and the 3rd locking nut 19；The fixed lever apparatus includes the first fix bar 13, second The fix bar 15 of fix bar 14 and the 3rd；The 3rd fix bar 15 is connected among symmetrical leading screw 5, the first locking nut 17 is located at Between 3rd fix bar 15 and adjacent first scissor unit and the second scissor unit；It is connected among the second symmetrical leading screw 12 First fix bar 13, the second locking nut 18 positioned at the first fix bar 13 and adjacent 3rd scissor unit and the 4th scissor unit it Between；Be connected with the second fix bar 14 among the 3rd symmetrical leading screw 16, the 3rd locking nut 19 positioned at the second fix bar 14 with Between adjacent 3rd scissor unit and the 4th scissor unit.

Second fix bar 14 is provided with second gear 27, and the first fix bar 13 is provided with first gear 22, the first fix bar 13 and second are connected with symmetrical upper support bar device between fix bar 14, and upper support bar device includes the first upper support bar 23 With the first lower support bar 24；First upper support bar 23 is rotatablely connected with the first fix bar 13, and the first lower support bar 24 and second is solid Fixed pole 14 is rotatablely connected, and the first upper support bar 23 and the central rotational of the first lower support bar 24 are laid with connecting shaft 25, upper connection Double-gear 26 is socketed with axle 25；One of gear of upper Double-gear 26 connects first gear 22, upper bidentate by chain Another gear of wheel 26 connects second gear 27 by chain；Corresponding, the second fix bar 14 is provided with the 3rd tooth Wheel 28, the 3rd fix bar 15 is provided with the 4th gear 29, is connected between the second fix bar 14 and the 3rd fix bar 15 symmetrical Lower support bar device, lower support bar device includes the second upper support bar 30 and the second lower support bar 31；Second upper support bar 30 It is rotatablely connected with the second fix bar 14, the second lower support bar 31 is rotatablely connected with the 3rd fix bar 15, the He of the second upper support bar 30 The central rotational of second lower support bar 31 is laid with lower connecting shaft 32, and lower Double-gear 33 is socketed with lower connecting shaft 32；Lower Double-gear 33 one of gear connects the 3rd gear 28 by chain, and another gear of lower Double-gear 33 connects the 4th by chain Gear 29.

The length of first upper support bar 23 and the first lower support bar 24 is that the maximum of the jacking of two adjacent scissor units is high Degree, meet the maximum lifting height of the jacking apparatus.

The outer end of leading screw 5, the second leading screw 12 and the 3rd leading screw 16 is disposed with bearing 34 and pressure bearing 35；Set Bearing 34 so that leading screw 5, the second leading screw 12 and the 3rd leading screw 16 movement position corresponding thereto, for playing supporting or a guide effect； Meanwhile the major function of bearing 34 is to support the rotary body of leading screw 5, the second leading screw 12 and the 3rd leading screw 16, to reduce leading screw 5th, the mechanical load coefficient of friction of the second leading screw 12 and the 3rd leading screw 16 in transmission process, pressure bearing 35 are by pressure top glue 35-1 is formed with pressure axis bearing 35-2 two parts, and pressure top glue 35-1 is socketed on leading screw 5, pressure axis bearing 35-2 and leading screw 5 end is connected, the stretching, extension up and down of the first scissor arms 3 and the second scissor arms 4 of adjacent scissor unit so that pressure top glue 35-1 offsets with bearing 34, keeps the soft connection between scissor unit and pressure bearing 35, can mitigate to a certain extent The caused vibration in stretching, extension of first scissor arms 3 and the second scissor arms 4, reduces and pressure bearing 35 and jacking apparatus is made Into impact.

Pressure bearing 35 is laid in the outermost end of leading screw 5, the second leading screw 12 and the 3rd leading screw 16, for prevent bearing 34 to While outer slip, also cause the pressure axis bearing 35-2 mono- of leading screw 5, the second leading screw 12 and the 3rd leading screw 16 and pressure bearing 35 Rise and rotate, be allowed to the flexibility for keeping leading screw 5 to turn to, and then make it that the lifting of scissor unit is stable.

The length of leading screw 5, the second leading screw 12 and the 3rd leading screw 16 is corresponding with the length of scissor arms, using the program, makes Scissor unit is obtained in lifting or contraction, ensures leading screw 5 and the connective stability of locking nut mechanism, to improve operating personnel Security during operation.

The both ends of the articulated section of first scissor arms 3 and the second scissor arms 4 are arc transition；In use, lift When scissor unit on rack device stretches, the angle between the first scissor arms 3 and the second scissor arms 4 is increasing, the first scissor Area is also less and less, and weight is concentrated at articulated section for fitting between the scissor arms 4 of arm 3 and second, articulated section connection Both ends use arc transition, can share the gravity itself born after whole scissor unit trails, ensure the safety used surely It is fixed.

Operation principle of the present utility model is as follows：1st, by starting motor 21, motor 21 passes through chain-driving The gear 20 being fixedly arranged in the second fix bar 14 rotates, due to being fixedly provided with the tooth of second gear 27 and the 3rd in the second fix bar 14 Wheel 28, meanwhile, second gear 27 is simultaneously rotated with the 3rd gear 28, and second gear 27 is fixed in the second fix bar 14, the One fix bar 13 is provided with first gear 22, is connected between the first fix bar 13 and the second fix bar 14 and is much of support relatively Lever apparatus, upper support bar device include the first upper support bar 23 and the first lower support bar 24；First upper support bar 23 and first is solid Fixed pole 13 is rotatablely connected, and the first lower support bar 24 is rotatablely connected with the second fix bar 14, the first upper support bar 23 and first lower The central rotational of strut 24 is laid with connecting shaft 25, and Double-gear 26 is socketed with upper connecting shaft 25；Upper Double-gear 26 is wherein One gear connects first gear 22 by chain, and another gear of upper Double-gear 26 connects second gear 27 by chain； And second gear 27 is driven to rotate.

3rd gear 28 is fixed in the second fix bar 14, and the 3rd fix bar 15 is provided with the 4th gear 29, and second fixes Symmetrical lower support bar device is connected between the fix bar 15 of bar 14 and the 3rd, lower support bar device includes the second upper support bar 30 and second lower support bar 31；Second upper support bar 30 is rotatablely connected with the second fix bar 14, the second lower support bar 31 and the 3rd Fix bar 15 is rotatablely connected, and the second upper support bar 30 and the central rotational of the second lower support bar 31 are laid with lower connecting shaft 32, lower company Lower Double-gear 33 is socketed with spindle 32；One of gear of lower Double-gear 33 by chain connect the 3rd gear 28, lower pair Another gear of gear 33 connects the 4th gear 29 by chain.

So that leading screw 5, the second leading screw 12 and the 3rd leading screw 16 rotate simultaneously, the first locking nut 17, the second locking are driven Nut 18, the 3rd locking nut 19 link adjacent scissor unit two scissor arms along lower guide groove 8 and upper guide groove 11 Slide,

The first scissor arms 3 and the second scissor arms 4 for making scissor unit rise or fall, in drive supporting part 1 rise or under Drop, meanwhile, by the first locking nut 17, the second locking nut 18, the 3rd locking nut 19 is causing leading screw 5, the second leading screw 12 and the 3rd leading screw 16 rotate while, positioned at the bearing 34 and pressure axis of leading screw 5, the second leading screw 12 and the outer end of the 3rd leading screw 16 Hold 35 also to move with fashionable dress, be allowed to the flexibility for keeping leading screw 5 to turn to, and then make it that the lifting of scissor unit is stable, it is quick and high Effect；Effectively ensure the personal safety of user.

A kind of application method of jacking apparatus：First, being placed into the jacking apparatus by operator needs to jack workpiece Lower section, it would be desirable to the workpiece of jacking is placed on supporting part 1, place it is steady after, it is wireless by what is set in drive device Remote control, the unlatching of motor 21 is controlled, motor 21 rotates with moving gear 20, at the same time, drives first gear 22nd, second gear 27, the 3rd gear 28 and the 4th gear 29 rotate, and drive leading screw 5, and the second leading screw 12 and the 3rd leading screw 16 revolve Turn, and then drive the first scissor arms 3 to be moved up with the second scissor arms 4 and workpiece bottom is fully contacted with the upper top of supporting part 1；So Afterwards, the first scissor arms 3 and the second scissor arms 4 move up under the drive of motor 21 and undertake the gravity of workpiece, and workpiece is to upper branch The reaction force of support part 1 moves down supporting part 1 and pushes the first scissor arms 3 and the second scissor arms 4, and now upper supporting part 1 is opened Begin whole gravity for undertaking workpiece；After workpiece reaches certain position, after confirming workpiece positioning stablity, pass through wireless remote control Device causes motor 21 to circle round, and now, the first scissor arms 3 move down with the second scissor arms 4 until jacking apparatus is not held completely The gravity of workpiece is carried on a shoulder pole, the first scissor arms 3 reclaim with the second scissor arms 4, finally, when the jacking apparatus completely disengages workpiece bottom When, operator takes out the jacking apparatus below workpiece, is ready for the jacking work of a next time.

Embodiment two：

As shown in figure 8, a kind of lifting rack device of jacking apparatus be by one jacking unit based on and using its for Point is up sequentially connected the lifting body of multiple jacking units；The jacking unit includes two groups of symmetrical jacking portions Part, jacking part are made up of the first scissor arms 3 and the second scissor arms 4, one end of first scissor arms 3 and the second scissor arms 4 One end is hinged by jointed shaft, the first scissor arms 3, the other end of the second scissor arms 4 the jacking part adjacent with its top First scissor arms 3, the other end of the second scissor arms 4 are hinged, the scissor of adjacent first scissor arms 3 and second of adjacent top ascending part part Leading screw 5 is connected between arm 4；One end of the leading screw 5 with it is fixed but rotatably, be operatively coupled on adjacent top ascending part Between part, the top adjacent with portion superposed thereon positioned at the upper end of jacking the first scissor arms 3 of section upper, the second scissor arms 4 Ascending part part bottom the first scissor arms 3, the lower end of the second scissor arms 4 are hinged by jointed shaft；Improve the top of the jacking apparatus Rise so that the stability of the jacking apparatus is more preferable.

Lower jacking roller 36 is provided between the first scissor arms 3 and the second scissor arms 4 of jacking part in the bottom, under Formed with the lower guide groove 8 slided for lower jacking roller 36 in supporting part 2, the lower jacking roller 36 can be in lower guide groove 8 Inside horizontally slip, and drive jacking apparatus to move up and down, corresponding, the first scissor of the jacking part in top Upper jacking roller 37 is provided between the scissor arms 4 of arm 3 and second, upper supporting part 1 is interior formed with for upper jacking roller 37 slip Upper guide groove 11, the upper jacking roller 37 can horizontally slip in upper guide groove 11, and drive jacking apparatus to move up and down.

Lifting rack device also includes positioner, and the positioner includes upper spacer 38 and lower spacer 39；It is upper fixed Bit slice 38 and lower spacer 39 are laid with two respectively, are laid in the left and right sides end of lifting rack device respectively, when positioning fills During setting on the right side of lifting rack device, one end of upper spacer 38 is hinged with the upper end of supporting part 1, the other end and the first scissor arms 3 midpoint is hinged；One end of lower spacer 39 is hinged with the lower end of supporting part 2, the other end and the midpoint phase of the first scissor arms 3 It is be hinged；When positioner is on the left of lifting rack device, one end of upper spacer 38 is hinged with the upper end of supporting part 1, another The midpoint with the second scissor arms 4 is held to be hinged；One end of lower spacer 39 is hinged with the lower end of supporting part 2, the other end and second The midpoint of scissor arms 4 is hinged；By the upper spacer 38 for setting symmetrical laying and lower spacer 39, first, ensure that the top The position stability of device is risen, makes being more uniformly stressed for the jacking apparatus, while also increase the firmness of the device.

Other contents of the present embodiment refer to embodiment one.

The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model；Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Although reference in figure has more been used herein：Upper supporting part 1, lower supporting part 2, the first scissor arms 3, second Scissor arms 4, leading screw 5, bottom roller 6, following wheel 7, lower guide groove 8, upper roller 9, top wheel 10, upper guide groove 11, the second leading screw 12, the first fix bar 13, the second fix bar 14, the 3rd fix bar 15, the 3rd leading screw 16, the first locking nut 17, the second locking Nut 18, the 3rd locking nut 19, gear 20, motor 21, first gear 22, the first upper support bar 23, first time support Bar 24, upper connecting shaft 25, upper Double-gear 26, second gear 27, the 3rd gear 28, the 4th gear 29, the second upper support bar 30, Second lower support bar 31, lower connecting shaft 32, lower Double-gear 33, bearing 34, pressure bearing 35, lower jacking roller 36, upper jacking rolling Wheel 37, upper spacer 38, the lower grade of spacer 39 term, but it is not precluded from the possibility using other terms.Use these terms Just for the sake of more easily describing and explaining essence of the present utility model；It is construed as any additional limitation all Disagreed with the utility model spirit.

Claims

A kind of 1. jacking apparatus, it is characterised in that：Including upper supporting part（1）With lower supporting part（2）；The upper supporting part（1）With Lower supporting part（2）Between be provided with two groups of lifting rack devices, be connected with fixed lever apparatus between two groups of lifting rack devices；Two groups of liters Drop rack device is symmetrically laid in the both sides of fixed lever apparatus, and fixed lever apparatus, which is provided with, to be used to drive lifting rack device to move up and down Drive device.
A kind of 2. jacking apparatus according to claim 1, it is characterised in that：The lifting rack device is with a scissor list Scissors mechanism based on member and that multiple scissor units are up sequentially overlapped using it as starting point；The scissor unit includes First scissor arms（3）With the second scissor arms（4）, the first scissor arms（3）, the second scissor arms（4）Placed and in upper and lower superposition The heart is rotatablely connected into scissor；First scissor arms（3）, the second scissor arms（4）The upper end scissor list adjacent with portion superposed thereon The second scissor arms in member（4）, the first scissor arms（3）Lower end be hinged by jointed shaft；Scissor unit in the bottom The lower ends of one of scissor arms be provided with bottom roller（6）With following wheel（7）, the lower end of another scissor arms and lower supporting part （2）Bottom be hinged；Lower supporting part（2）The interior lower guide groove formed with for scissor arms lower slide（8）, the scissor arms can In lower guide groove（8）Inside horizontally slip, and drive scissor unit to move up and down, corresponding, the scissor in top The upper end of one of scissor arms of unit is provided with upper roller（9）With top wheel（10）, the upper end of another scissor arms and upper branch Support part（1）Top be hinged；Upper supporting part（1）It is interior formed with the upper guide groove slided for scissor arms upper end（11）, it is described to cut Yoke can be in upper guide groove（11）Inside horizontally slip, and drive scissor unit to move up and down.
A kind of 3. jacking apparatus according to claim 2, it is characterised in that：First scissor arms of adjacent scissor unit（3） With the second scissor arms（4）Between be connected with leading screw（5）；The leading screw（5）One end with fixed but rotatably, operationally It is connected between adjacent scissor unit, leading screw（5）The other end be connected with fixed lever apparatus, leading screw（5）With fixed lever apparatus Locking nut mechanism is provided between connection, the locking nut mechanism is located at the first scissor arms（3）With the second scissor arms（4）It Between, the locking nut mechanism has and the leading screw（5）The thread surface of mutual cooperation, the locking nut mechanism can be Rotated between engagement and releasing orientation；First scissor arms（3）With the second scissor arms（4）The both ends of articulated section be Arc transition.
A kind of 4. jacking apparatus according to claim 3, it is characterised in that：The scissor unit is provided with six groups, including Symmetrical the first scissor unit, the second scissor unit, the 3rd scissor unit, the 4th scissor unit, the 5th scissor unit and Six scissor units；Leading screw（5）Between the first scissor unit and the second scissor unit；3rd scissor unit is cut with the 4th The second leading screw is connected between fork unit（12）；The 3rd leading screw is connected between 5th scissor unit and the 6th scissor unit （16）；The locking nut mechanism includes the first symmetrical locking nut（17）, the second locking nut（18）With the 3rd locking Nut（19）；The fixed lever apparatus includes the first fix bar（13）, the second fix bar（14）With the 3rd fix bar（15）；Relatively The leading screw of title（5）Centre is connected with the 3rd fix bar（15）, the first locking nut（17）Positioned at the 3rd fix bar（15）With it is adjacent Between first scissor unit and the second scissor unit；The second symmetrical leading screw（12）Centre is connected with the first fix bar（13）, Second locking nut（18）Positioned at the first fix bar（13）Between adjacent 3rd scissor unit and the 4th scissor unit；It is symmetrical The 3rd leading screw（16）Centre is connected with the second fix bar（14）, the 3rd locking nut（19）Positioned at the second fix bar（14）With phase Between adjacent 3rd scissor unit and the 4th scissor unit.
A kind of 5. jacking apparatus according to claim 1, it is characterised in that：The drive device includes motor （21）, it is fixedly arranged on the second fix bar（14）On gear（20）；Motor（21）Pass through chain-driving gear（20）Rotate, enter And drive the second fix bar（14）Rotation.
A kind of 6. jacking apparatus according to claim 4 or 5, it is characterised in that：Second fix bar（14）It is provided with Second gear（27）, the first fix bar（13）It is provided with first gear（22）, the first fix bar（13）With the second fix bar（14） Between be connected with symmetrical upper support bar device, upper support bar device includes the first upper support bar（23）With the first lower support bar （24）；First upper support bar（23）With the first fix bar（13）Rotation connection, the first lower support bar（24）With the second fix bar （14）Rotation connection, the first upper support bar（23）With the first lower support bar（24）Central rotational is laid with connecting shaft（25）, on Connecting shaft（25）On be socketed with Double-gear（26）；Upper Double-gear（26）One of gear first gear is connected by chain （22）, upper Double-gear（26）Another gear second gear is connected by chain（27）；Corresponding, the second fix bar （14）It is provided with the 3rd gear（28）, the 3rd fix bar（15）It is provided with the 4th gear（29）, the second fix bar（14）With the 3rd Fix bar（15）Between be connected with symmetrical lower support bar device, lower support bar device includes the second upper support bar（30）With Two lower support bars（31）；Second upper support bar（30）With the second fix bar（14）Rotation connection, the second lower support bar（31）With Three fix bars（15）Rotation connection, the second upper support bar（30）With the second lower support bar（31）Central rotational is laid with lower connecting shaft （32）, lower connecting shaft（32）On be socketed with lower Double-gear（33）；Lower Double-gear（33）One of gear connected by chain 3rd gear（28）, lower Double-gear（33）Another gear pass through chain connect the 4th gear（29）.
A kind of 7. jacking apparatus according to claim 4, it is characterised in that：The leading screw（5）, the second leading screw（12）With Three leading screws（16）Outer end be disposed with bearing（34）And pressure bearing（35）；The leading screw（5）, the second leading screw（12）With 3rd leading screw（16）Length it is corresponding with the length of scissor arms.
A kind of 8. jacking apparatus according to claim 2, it is characterised in that：The lower guide groove（8）With upper guide groove （11）It is parallel to each other and position correspondence, the lower guide groove（8）With upper guide groove（11）It is L-type, while for length, another side is Short, short side is lower guide groove（8）With upper guide groove（11）Bottom surface, long side is lower guide groove（8）With upper guide groove（11）It is outer Side, the another side that long side is different from bottom surface or top surface are also accompanied with flange, prevent bottom roller（6）And upper roller（9）Jump Rail, bottom roller（6）And upper roller（9）With following wheel（7）And top wheel（10）In lower guide groove（8）With upper guide groove（11）Interior rolling It is dynamic, wherein, bottom roller（6）And upper roller（9）With lower guide groove（8）With upper guide groove（11）Bottom surface between realize relative rolling It is dynamic, and following wheel（7）And top wheel（10）With lower guide groove（8）With upper guide groove（11）Side realize relative roll.
A kind of 9. jacking apparatus according to claim 1, it is characterised in that：The lifting rack device is single with a jacking Lifting body based on member and that multiple jacking units are up sequentially connected using it as starting point；The jacking unit includes Two groups of symmetrical jacking parts, jacking part is by the first scissor arms（3）With the second scissor arms（4）Composition, first scissor arms （3）One end and the second scissor arms（4）One end be hinged by jointed shaft, the first scissor arms（3）, the second scissor arms（4）'s First scissor arms of the other end jacking part adjacent with its top（3）, the second scissor arms（4）The other end be hinged, it is adjacent Jack adjacent first scissor arms of part（3）With the second scissor arms（4）Between be connected with leading screw（5）；The leading screw（5）One end with It is fixed but rotatably, be operatively coupled between adjacent top ascending part part, positioned at the first scissor of jacking section upper Arm（3）, the second scissor arms（4）Upper end jacking part bottom first scissor arms adjacent with portion superposed thereon（3）, second cut Yoke（4）Lower end be hinged by jointed shaft；First scissor arms of the jacking part in the bottom（3）With the second scissor arms （4）Between be provided with lower jacking roller（36）, lower supporting part（2）It is interior formed with for lower jacking roller（36）The lower guide groove slided （8）, the lower jacking roller（36）Can be in lower guide groove（8）Inside horizontally slip, and drive jacking apparatus to move up and down, with this phase It is corresponding, the first scissor arms of the jacking part in top（3）With the second scissor arms（4）Between be provided with upper jacking roller （37）, upper supporting part（1）It is interior formed with for upper jacking roller（37）The upper guide groove slided（11）, the upper jacking roller （37）Can be in upper guide groove（11）Inside horizontally slip, and drive jacking apparatus to move up and down.
A kind of 10. jacking apparatus according to claim 9, it is characterised in that：Also include positioner, the positioner Including upper spacer（38）With lower spacer（39）；Upper spacer（38）With lower spacer（39）Two are laid with respectively, respectively The left and right sides end of lifting rack device is laid in, when positioner is on the right side of lifting rack device, upper spacer（38）'s One end and upper supporting part（1）End is hinged, the other end and the first scissor arms（3）Midpoint be hinged；Lower spacer（39）One End and lower supporting part（2）End is hinged, the other end and the first scissor arms（3）Midpoint be hinged；When positioner is positioned at lifting When on the left of rack device, upper spacer（38）One end and upper supporting part（1）End is hinged, the other end and the second scissor arms（4）'s Midpoint is hinged；Lower spacer（39）One end and lower supporting part（2）End is hinged, the other end and the second scissor arms（4）In Point is hinged.