CN111573527A

CN111573527A - Building hoisting equipment

Info

Publication number: CN111573527A
Application number: CN202010469489.2A
Authority: CN
Inventors: 齐嘉蕾
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-08-25

Abstract

The invention discloses a building hoisting device, which comprises a bottom box body, wherein a rack rod is fixedly arranged on the upper end surface of the bottom box body, a rotating seat is arranged in the rack rod in a rotating manner, a swinging box body is fixedly arranged on one side of the rotating seat, a sliding box body is arranged in the swinging box body in a sliding manner, a plurality of rotating gears are arranged in the bottom box body in a rotating manner, supporting wheels are arranged in the rotating gears in a rotating manner, and a turnover driving device for driving all the rotating gears to rotate towards or away from the bottom box body simultaneously is arranged in the bottom box body. And has the function of being convenient for moving and switching the hoisting mode.

Description

Building hoisting equipment

Technical Field

The invention relates to the technical field of building hoisting equipment, in particular to building hoisting equipment.

Background

Especially relate to the hoisting equipment of apartment building inside in current equipment, because most apartments adopt the LOFT structural design, general living room places at the second floor, but because putting of some furniture, for example when putting of bed and chair and cupboard, need a large amount of personnel to promote these things to the second floor with the help of structures such as rope, and also there is certain probability to drop to the one deck because the heavy object this moment, will cause the damage of bottom plate and one deck furniture, and also can be not convenient for carry article to the second floor when follow-up personnel daily use need carry article to the second floor, and if use current hoisting equipment, because the bulk of hoisting equipment is too big and equipment cost is expensive, make equipment carry out real ordinary timely efficiency not high, simultaneously because also do not have fine regulatory function when using and make equipment not convenient for personnel to use.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide a construction hoisting device, which can solve the above problems in the prior art.

The invention is realized by the following technical scheme: the invention relates to a building hoisting device which comprises a bottom box body, wherein a rack rod is fixedly arranged on the upper end surface of the bottom box body, a rotating seat is arranged in the rack rod in a rotating mode, a swinging box body is fixedly arranged on one side of the rotating seat, a sliding box body is arranged in the swinging box body in a sliding mode, a plurality of rotating gears are arranged in the bottom box body in a rotating mode, supporting wheels are arranged in the rotating gears in a rotating mode, a turnover driving device for driving all the rotating gears to rotate towards or away from the bottom box body in a reverse mode is arranged in the bottom box body, a swinging device for enabling the rotating seat to swing indirectly is arranged between the rotating seat and a connecting seat, and a sliding unfolding device capable of being unfolded in a sliding mode to form a stable plane is arranged.

According to the technical scheme, the turnover driving device comprises a transmission inner cavity arranged in the bottom box body, a top matching motor is fixedly arranged on the upper end face of the bottom box body, a driving gear is arranged on the lower side of the top matching motor in a power connection mode, the driving gear is connected with the upper end wall and the lower end wall of the transmission inner cavity in a rotating fit mode, side grooves located in the bottom box body are arranged on the periphery of the outer side of the transmission inner cavity, a plurality of side grooves are arranged, and power of the driving gear can be transmitted to a transmission assembly of a rotating gear in the side grooves and the transmission inner cavity.

In a further technical scheme, the transmission assembly comprises a plurality of rack rods arranged on the outer surface of the driving gear, the rack bar is meshed with the driving gear, the tops of the rack bar and the driving gear are matched with the motor and are arranged in a staggered way, the rack bar penetrates through the transmission inner cavity in a sliding manner and extends into the side groove, only one rack bar is arranged on one side of the rotating gear, a top side rack is fixedly arranged on the end surface of one side of the rack rod, the top side rack is meshed with the rotating gear, the top side racks on two opposite sides are respectively meshed with the upper side and the lower side of the rotating gear, one side of the rotating gear is provided with a sliding rod opposite to the top side rack, the sliding rod is meshed with the rotating gear, the pole that slides stretches into in the bottom box with bottom box sliding fit connects, the pole that slides set up in between the rack bar with the rack bar sets up in the past.

Further technical scheme, pendulous device including the pivoted set up in a middle rotating cylinder in the rack bar, middle rotating cylinder both sides are provided with open-ended opening cooperation groove, rack bar one side has set firmly the side swing motor, side swing motor one side power connection is provided with the power gear, the power gear stretches into in the opening cooperation groove, power gear one side is provided with what thing opening cooperation groove fixed ring gear, be provided with the ring gear inner chamber that runs through in the ring gear, the ring gear inner chamber with the power gear meshing sets up, middle rotating cylinder with it sets up to rotate the seat fixed.

According to the technical scheme, the sliding expansion device comprises an inner cavity arranged in the swing box body, the inner cavity is connected with the sliding box body in a sliding fit mode, a base motor is fixedly arranged in the end wall of the inner cavity, a power threaded rod is arranged on one side of the base motor in a power connection mode, the power threaded rod is connected with the sliding box body in a threaded fit mode, a sliding platform assembly capable of forming a platform structure is arranged in the swing box body, the sliding box body is internally provided with a linkage platform assembly which is matched with the sliding platform assembly and is used for achieving that the sliding box body stretches out, and the inner cavity is expanded to form a platform.

Further technical scheme, the platform subassembly that slides including set up in the groove that slides in the swing box, the groove symmetry that slides sets up, slide the groove with the inner chamber intercommunication, it is provided with a plurality of bracing pieces to slide inslot gliding, elasticity is provided with the elastic connection pole between the bracing piece.

Further technical scheme, linkage platform subassembly including set up in the middle appearance chamber in the box that slides, be provided with symmetry and open-ended cooperation inner chamber in the middle appearance chamber, what slide in the cooperation inner chamber is provided with stretches out the piece, stretch out the piece with the swing box flushes, it is provided with the power structure that the bracing piece pulling tiling in the inner chamber expandes to stretch out the piece in the piece, the cooperation is intracavity be provided with can with stretch out the flexible extending structure of piece drive.

Further technical scheme, power structure including set up in stretch out the opening spout in the piece, opening spout both sides end wall intercommunication is provided with the track groove of symmetry, track groove end wall in-connection is provided with the dress card spout, the gliding cooperation slider that is provided with of dress card spout, be provided with the centre gripping sub-assembly that is used for the centre gripping bracing piece in the cooperation slider, dress card spout end wall internal fixation has the internal motor, the power connection of internal motor one side is provided with the cooperation pole that slides, the cooperation pole that slides with dress card spout normal running fit is connected, the cooperation pole that slides is connected with centre gripping sub-assembly screw-thread fit.

Further technical scheme, the centre gripping sub-assembly including set up in the track groove in the cooperation sliding block, the track inslot has set firmly that the removal is connected soon, the fast one side of removal connection has set firmly the footstock, the top dead lever has set firmly between the footstock, the cooperation pole that slides passes the footstock with footstock screw-thread fit connects, be provided with the smooth chamber of open-ended elasticity in the coupling spring, the gliding smooth sliding block that is provided with in the smooth chamber of elasticity, the sliding block with elasticity is provided with coupling spring between the smooth chamber end wall of elasticity, be provided with open-ended dress card cooperation inner chamber in the sliding block, dress card cooperation inner chamber will bracing piece dress card.

Further technical scheme, extending structure including set up in cooperation inner chamber one side servant in the side connect the inner chamber, inner chamber one side intercommunication is connected to the side is provided with the cooperation draw-in groove, the inner chamber end wall is connected to the side has set firmly the power motor, power motor one side power connection is provided with the cooperation threaded rod, the cooperation threaded rod with the inner chamber end wall normal running fit is connected to the side, cooperation threaded rod surface screw-thread fit is connected and is provided with the interior thread plate that slides, the interior thread plate that slides with inner chamber sliding fit is connected to the side, the interior thread plate that slides with it is fixed to stretch out the piece, opening spout one side is provided with the arch, the arch with cooperation draw-in groove dress card.

The invention has the beneficial effects that:

the equipment has a simple structure, adopts a mode of changing the self angle of the equipment and changing the self telescopic length, realizes that a tubular structure can be filled between the telescopic structures of the equipment to form a stable plane structure after the telescopic change, is convenient for personnel to carry hoisted goods to a high place, and has the functions of being convenient for moving and switching the hoisting mode.

When the device is in an initial state, the device, the assembly and the structure are in a stop working state, the equipment can be prolonged according to actual needs, and the state is changed when the equipment swings and slides, so that the equipment is moved to a proper working position when articles are transported, and the working efficiency is improved.

When the equipment is switched between moving and placing states, the top part is matched with the motor to work and then drives the driving gear to rotate, because the driving gear is meshed with the rack rod, the top side rack on one side of the rack rod is meshed with the rotating gear, the sliding rod on one side of the rotating gear is meshed with the rotating gear, the sliding rod is connected with the bottom box body in a sliding fit manner, the rotating gear simultaneously faces or is far away from the top part matching motor to swing, at the moment, if the rotating gear drives the supporting wheel to be far away from the top part matching motor to swing, the supporting wheel supports the equipment, at the moment, the equipment can be conveniently moved, the equipment moving efficiency is improved, if the supporting wheel moves towards the top part matching motor, the supporting wheel is not contacted with the ground, at the moment, the equipment can be stably placed, the working efficiency of the device is improved when the device is placed.

When will rotate seat swing angle of adjustment in order to extend equipment to higher distance, the side swing motor drives after working power gear rotates, power gear rotates the back and passes through the ring gear drives the middle rotary drum rotates, can drive after the middle rotary drum rotates rotate the seat swing of rotating, can make this moment rotate the seat and swing the box and stretch out the piece and swing to higher position.

When the equipment is unfolded to carry articles, firstly, the base motor drives the power threaded rod to rotate after working, the power threaded rod drives the sliding box body to slide out in the inner cavity after rotating, meanwhile, the power motor drives the fit threaded rod to rotate after working gradually, the fit threaded rod drives the extending block to extend out of the fit inner cavity through the slide inner threaded plate after rotating, so that the extending block is flush with the swinging box body, then, a person sleeves the support rod on one side of the fit sliding block, at the moment, the elastic action of the connecting spring enables the support rod and the fit inner cavity to be clamped, so that the support rod is stably clamped, and then, the built-in motor drives the sliding fit rod to rotate after working, so that the sliding fit rod drives the top seat and the movable connection to slide quickly, the utility model discloses a track groove, including the bracing piece, the bracing piece is in the track inslot slides, because elastic connection between bracing piece and the elastic connecting rod makes all the bracing piece can follow other parts in the groove of sliding move to the track inslot, makes after the bracing piece expandes completely will track groove and the groove of sliding are paved, and it is paved to make it fill this moment swing box and the one side of stretching out the piece, the personnel of being convenient for carry article, prevent to damage indoor floor etc. the design of cooperation draw-in groove lies in making it hide in to stretch out the piece more stable in the cooperation intracavity.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the internal structure of a construction hoist according to the present invention;

FIG. 2 is a schematic view of the direction A in FIG. 1;

FIG. 3 is a schematic view of the direction B-B in FIG. 2;

FIG. 4 is a schematic view taken along the line C-C in FIG. 3;

FIG. 5 is a schematic view of FIG. 1 taken along direction D;

FIG. 6 is a schematic view of the direction E in FIG. 1;

FIG. 7 is a schematic view of FIG. 5 taken along direction F;

in the figure, an inner cavity 12, a swing box body 13, a sliding box body 14, an internal thread hole 15, a matching inner cavity 16, a middle accommodating cavity 17, an extending block 18, a sliding groove 21, a power threaded rod 22, a base motor 23, a rotating seat 24, a connecting seat 25, a rack rod 26, a supporting wheel 27, a top side rack 29, a side groove 31, a rotating gear 33, a sliding rod 34, a transmission inner cavity 35, a bottom box body 36, a top matching motor 37, a driving gear 38, a side swing motor 39, a supporting rod 41, an elastic connecting rod 42, a toothed ring 51, a toothed ring inner cavity 52, a power gear 53, an opening matching groove 54, a middle rotating cylinder 55, a matching threaded rod 61, a sliding inner threaded plate 65, a matching sliding block 66, an opening sliding groove 68, a track groove 69, a clamping sliding groove 71, a sliding matching rod 72, an internal motor 81, a clamping matching inner cavity 82, a sliding block 83, an elastic sliding cavity 84, a, The top seat 88, the top fixing rod 89, the side connecting inner cavity 91, the power motor 92 and the matching clamping groove 93.

Detailed Description

As shown in fig. 1 to 7, the present invention is explained in detail, and for convenience of description, the following orientations are defined as follows: the following up-down, left-right, front-back direction is consistent with the up-down, left-right, front-back direction of the projection relation of the self-body of the figure 1, the building hoisting equipment comprises a bottom box body 36, a rack bar 26 is fixedly arranged on the upper end surface of the bottom box body 36, a rotating seat 24 is rotatably arranged in the rack bar 26, a swinging box body 13 is fixedly arranged on one side of the rotating seat 24, a sliding box body 14 is arranged in the swinging box body 13 in a sliding way, a plurality of rotating gears 33 are rotatably arranged in the bottom box body 36, supporting wheels 27 are rotatably arranged in the rotating gears 33, a turnover driving device which drives all the rotating gears 33 to rotate towards or away from the bottom box body 36 at the same time is arranged in the bottom box body 36, a swinging device which enables the rotating seat 24 to indirectly swing is arranged between the rotating seat 24 and the connecting seat 25, and a sliding unfolding device which can be glidingly unfolded to Provided is a device.

Beneficially, the turnover driving device includes a transmission cavity 35 disposed in the bottom box 36, a top matching motor 37 is fixedly disposed on an upper end surface of the bottom box 36, a driving gear 38 is disposed on a lower side of the top matching motor 37 in a power connection manner, the driving gear 38 is connected with upper and lower end walls of the transmission cavity 35 in a rotation matching manner, side grooves 31 located in the bottom box 36 are disposed around an outer side of the transmission cavity 35, the side grooves 31 are provided with a plurality of parts, and transmission assemblies capable of transmitting power of the driving gear 38 to the rotating gear 33 are disposed in the side grooves 31 and the transmission cavity 35.

Advantageously, the transmission assembly comprises a plurality of rack bars 26 arranged on the outer surface of the pinion gear 38, the rack bars 26 are arranged in a meshing manner with the pinion gear 38, the top-matching motors 37 are arranged in a staggered manner, the rack bars 26 slidably penetrate through the transmission inner cavity 35 and extend into the side grooves 31, only one rack bar 26 is arranged on one side of the rotating gear 33, a top-side rack 29 is fixedly arranged on one side end surface of the rack bar 26, the top-side rack 29 is arranged in a meshing manner with the rotating gear 33, the top-side racks 29 on two opposite sides are respectively meshed with the upper side and the lower side of the rotating gear 33, a sliding bar 34 opposite to the top-side rack 29 is arranged on one side of the rotating gear 33, the sliding bar 34 is meshed with the rotating gear 33, the sliding bar 34 extends into the bottom box 36 and is connected with the bottom box 36 in a sliding manner, the slide rods 34 are disposed between the rack bars 26 and staggered with the rack bars 26.

Beneficially, the swing device includes a middle rotating cylinder 55 rotatably disposed in the rack bar 26, open mating grooves 54 are disposed on two sides of the middle rotating cylinder 55, a side swing motor 39 is fixedly disposed on one side of the rack bar 26, a power gear 53 is disposed on one side of the side swing motor 39 in a power connection manner, the power gear 53 extends into the open mating grooves 54, a toothed ring 51 fixed with the open mating grooves 54 is disposed on one side of the power gear 53, a through toothed ring inner cavity 52 is disposed in the toothed ring 51, the toothed ring inner cavity 52 is engaged with the power gear 53, and the middle rotating cylinder 55 is fixedly disposed with the rotating base 24.

Beneficially, wherein, the sliding unfolding device comprises an inner cavity 12 arranged in the swing box body 13, the inner cavity 12 is connected with the sliding box body 14 in a sliding fit manner, a base motor 23 is fixedly arranged in an end wall of the inner cavity 12, a power threaded rod 22 is arranged on one side of the base motor 23 in a power connection manner, the power threaded rod 22 is connected with the sliding box body 14 in a threaded fit manner, a sliding platform assembly capable of forming a platform structure is arranged in the swing box body 13, and a linkage platform assembly which is matched with the sliding platform assembly and realizes that the sliding box body 14 extends out of the inner cavity 12 and then forms a platform is arranged in the sliding box body 14.

Beneficially, the sliding platform assembly includes sliding grooves 21 disposed in the swing box 13, the sliding grooves 21 are symmetrically disposed, the sliding grooves 21 are communicated with the inner cavity 12, a plurality of support rods 41 are slidably disposed in the sliding grooves 21, and elastic connecting rods 42 are elastically disposed between the support rods 41.

Beneficially, wherein the linkage platform assembly comprises a middle accommodating cavity 17 arranged in the sliding box 14, a symmetrical and open-ended matching inner cavity 16 is arranged in the middle accommodating cavity 17, an extending block 18 is arranged in the matching inner cavity 16 in a sliding mode, the extending block 18 is flush with the swinging box 13, a power structure for pulling, laying and unfolding a support rod 41 in the inner cavity 12 is arranged in the extending block 18, and a telescopic structure capable of driving the extending block 18 to stretch and retract is arranged in the matching inner cavity 16.

Beneficially, the power structure includes an opening sliding groove 68 disposed in the protruding block 18, the end walls of two sides of the opening sliding groove 68 are communicated and provided with symmetrical rail grooves 69, the end walls of the rail grooves 69 are communicated and provided with a clamping sliding groove 71, a matching sliding block 66 is slidably disposed in the clamping sliding groove 71, a clamping assembly for clamping the supporting rod 41 is disposed in the matching sliding block 66, an internal motor 81 is fixedly disposed in the end wall of the clamping sliding groove 71, a sliding matching rod 72 is dynamically connected to one side of the internal motor 81, the sliding matching rod 72 is connected with the clamping sliding groove 71 in a rotating matching manner, and the sliding matching rod 72 is connected with the clamping assembly in a threaded matching manner.

Beneficially, the clamping assembly includes a rail groove 69 disposed in the matching sliding block 66, a movable connecting block 86 is fixedly disposed in the rail groove 69, a top seat 88 is fixedly disposed on one side of the movable connecting block 86, a top fixing rod 89 is fixedly disposed between the top seats 88, the sliding matching rod 72 penetrates through the top seat 88 to be in threaded matching connection with the top seat 88, an open elastic sliding cavity 84 is disposed in the connecting spring 85, a sliding pushing block 83 is slidably disposed in the elastic sliding cavity 84, a connecting spring 85 is elastically disposed between the sliding pushing block 83 and an end wall of the elastic sliding cavity 84, an open clamping matching inner cavity 82 is disposed in the sliding pushing block 83, and the supporting rod 41 is clamped by the clamping matching inner cavity 82.

Beneficially, wherein, extending structure is including setting up in cooperation inner chamber 16 one side servant side connection inner chamber 91 in, side connection inner chamber 91 one side intercommunication is provided with cooperation draw-in groove 93, the side is connected and is equipped with power motor 92 in the inner chamber 91 end wall, power motor 92 one side power connection is provided with cooperation threaded rod 61, cooperation threaded rod 61 with side connection inner chamber 91 end wall normal running fit is connected, cooperation threaded rod 61 surface screw-thread fit connection is provided with the interior thread board 65 that slides, the interior thread board 65 that slides with side connection inner chamber 91 sliding fit is connected, the interior thread board 65 that slides with it is fixed to stretch out piece 18, opening spout 68 one side is provided with the arch, the arch with cooperation draw-in groove 93 dress card.

When the equipment is moved and placed, the top matching motor 37 works to drive the driving gear 38 to rotate, because the driving gear 38 is meshed with the rack bar 26, the top side rack 29 on one side of the rack bar 26 is meshed with the rotating gear 33, the sliding rod 34 on one side of the rotating gear 33 is meshed with the rotating gear 33, the sliding rod 34 is connected with the bottom box 36 in a sliding fit manner, the rotating gear 33 simultaneously swings towards or away from the top matching motor 37, at this time, if the rotating gear 33 drives the supporting wheel 27 to swing away from the top matching motor 37, the supporting wheel 27 supports the equipment, the equipment can be conveniently moved, the equipment moving efficiency is improved, if the supporting wheel 27 moves towards the top matching motor 37, the supporting wheel 27 is not contacted with the ground, at the moment, the equipment can be stably placed, so that the working efficiency of the equipment is improved when the equipment is placed.

When the rotating base 24 is swung to adjust the angle so as to extend the equipment to a higher distance, the side swing motor 39 drives the power gear 53 to rotate after working, the power gear 53 drives the middle rotating cylinder 55 to rotate through the gear ring 51 after rotating, the middle rotating cylinder 55 can drive the rotating base 24 to swing after rotating, and at the moment, the rotating base 24, the swinging box body 13 and the extending block 18 can swing to a higher position.

When the equipment is unfolded to carry articles, firstly, the base motor 23 works to drive the power threaded rod 22 to rotate, the power threaded rod 22 rotates to drive the sliding box body 14 to slide out in the inner cavity 12, meanwhile, the power motor 92 gradually works to drive the matching threaded rod 61 to rotate so that the matching threaded rod 61 rotates to drive the extending block 18 to extend out of the matching inner cavity 16 through the sliding inner threaded plate 65, so that the extending block 18 is flush with the swinging box body 13, then, a person sleeves the supporting rod 41 on one side of the matching sliding block 66, at the moment, the elastic action of the connecting spring 85 enables the supporting rod 41 and the clamping matching inner cavity 82 to clamp the supporting rod 41 stably, and then the built-in motor 81 works to drive the sliding matching rod 72 to rotate, so that the sliding matching rod 72 drives the top seat 88 and the movable connecting block 86 to slide, the support rods 41 are driven to slide in the track grooves 69, and due to the elastic connection between the support rods 41 and the elastic connecting rods 42, all the support rods 41 can move into the track grooves 69 from other parts of the sliding grooves 21, so that the track grooves 69 and the sliding grooves 21 are fully paved after the support rods 41 are completely unfolded, and at the moment, the support rods are fully paved to one sides of the swing box body 13 and the extension blocks 18, so that people can carry objects conveniently, the indoor floor and the like are prevented from being damaged, and the design of the matching clamping grooves 93 is that the extension blocks 18 are hidden in the matching inner cavities 16 more stably.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a building hoisting equipment, includes the bottom box, bottom box up end has set firmly the rack bar, the seat is rotated in being provided with of rack bar internal rotation, it has set firmly the swing box to rotate seat one side, gliding being provided with of swing box slides the box, the internal rotation of bottom box is provided with a plurality of rotating gears, rotating gear internal rotation is provided with the supporting wheel, it is all to be provided with the drive in the bottom box the rotating gear goes on simultaneously towards perhaps keeping away from the upset drive arrangement of bottom box reversal, rotate the seat with be provided with the messenger between the connecting seat rotate the indirect wobbling pendulous device of seat, it expandes the device to be provided with the expansion that can slide and form stable plane between swing box and the box that slides.

2. A construction lifting device as claimed in claim 1, wherein: the turnover driving device comprises a transmission inner cavity arranged in the bottom box body, a top matching motor is fixedly arranged on the upper end face of the bottom box body, a driving gear is arranged on the lower side of the top matching motor in a power connection mode, the driving gear is connected with the upper end wall and the lower end wall of the transmission inner cavity in a rotating fit mode, side grooves in the bottom box body are arranged on the periphery of the outer side of the transmission inner cavity, a plurality of side grooves are formed in the side grooves, and a transmission assembly capable of transmitting power of the driving gear to the rotating gear is arranged in the side grooves and the transmission.

3. A construction lifting device as claimed in claim 2, wherein: the transmission assembly comprises a plurality of rack rods arranged on the outer surface of the driving gear, the rack rods are meshed with the driving gear, the top parts are arranged in a staggered way in cooperation with the motors, the rack rods slidably penetrate through the transmission inner cavity and extend into the side grooves, only one rack rod is arranged on one side of the rotating gear, a top side rack is fixedly arranged on the end face of one side of the rack rod, the top side rack is meshed with the rotating gear, the top side racks on two opposite sides are respectively meshed with the upper side and the lower side of the rotating gear, one side of the rotating gear is provided with a sliding rod opposite to the top side rack, the sliding rod is meshed with the rotating gear, the pole that slides stretches into in the bottom box with bottom box sliding fit connects, the pole that slides set up in between the rack bar with the rack bar sets up in the past.

4. A construction lifting device as claimed in claim 1, wherein: the pendulous device including the pivoted set up in the middle of in the rack pole rotates a section of thick bamboo, middle rotation section of thick bamboo both sides are provided with open-ended opening cooperation groove, rack pole one side has set firmly the side swing motor, side swing motor one side power connection is provided with the power gear, the power gear stretches into in the opening cooperation groove, power gear one side is provided with the tooth ring that what opening cooperation groove was fixed, be provided with the tooth ring inner chamber that runs through in the tooth ring, the tooth ring inner chamber with power gear engagement sets up, middle rotation section of thick bamboo with rotate the fixed setting of seat.

5. A construction lifting device as claimed in claim 1, wherein: the sliding expansion device comprises an inner cavity arranged in the swing box body, the inner cavity is connected with the sliding box body in a sliding fit mode, a base motor is fixedly arranged in the end wall of the inner cavity, a power threaded rod is arranged on one side of the base motor in a power connection mode, the power threaded rod is connected with the sliding box body in a threaded fit mode, a sliding platform assembly capable of forming a platform structure is arranged in the swing box body, and a linkage platform assembly which is matched with the sliding platform assembly and is used for achieving that the sliding box body stretches out and forms a platform after the inner cavity is expanded is arranged in the sliding box body.

6. A construction lifting device as claimed in claim 5, wherein: the sliding platform assembly comprises sliding grooves formed in the swing box body, the sliding grooves are symmetrically arranged, the sliding grooves are communicated with the inner cavity, a plurality of supporting rods are arranged in the sliding grooves in a sliding mode, and elastic connecting rods are elastically arranged between the supporting rods.

7. A construction lifting device as claimed in claim 5, wherein: the linkage platform assembly comprises a middle accommodating cavity arranged in the sliding box body, a symmetrical and open-ended matched inner cavity is arranged in the middle accommodating cavity, a stretching block is arranged in the matched inner cavity in a sliding mode, the stretching block is flushed with the swinging box body, a power structure which is used for pulling, tiling and unfolding a support rod in the inner cavity is arranged in the stretching block, and a telescopic structure which can drive the stretching block to stretch out and stretch out is arranged in the matched inner cavity.

8. A construction lifting device as claimed in claim 7, wherein: the power structure including set up in stretch out the opening spout in the piece, opening spout both sides end wall intercommunication is provided with the track groove of symmetry, track groove end wall in-connection is provided with the dress card spout, gliding cooperation slider that is provided with in the dress card spout, be provided with the centre gripping sub-assembly that is used for the centre gripping bracing piece in the cooperation slider, dress card spout end wall internal fixation has built-in motor, built-in motor one side power connection is provided with the cooperation pole that slides, the cooperation pole that slides with dress card spout normal running fit is connected, the cooperation pole that slides is connected with centre gripping sub-assembly screw-thread fit.

9. A construction lifting device as claimed in claim 5, wherein: the centre gripping sub-assembly including set up in the track groove in the cooperation sliding block, the track inslot has set firmly the mobile connection is fast, the fast one side of mobile connection has set firmly the footstock, the top dead lever has set firmly between the footstock, the cooperation pole that slides passes the footstock with footstock screw-thread fit connects, be provided with the smooth chamber of open-ended elasticity in the coupling spring, the gliding smooth intracavity of elasticity is provided with the smooth ejector pad, smooth ejector pad with elasticity is provided with coupling spring between the smooth chamber end wall of elasticity, be provided with open-ended dress card cooperation inner chamber in the smooth ejector pad, dress card cooperation inner chamber will bracing piece dress card.

10. A construction lifting device as claimed in claim 9, wherein: the inner chamber is connected including setting up in cooperation inner chamber one side servant side in, side connection inner chamber one side intercommunication is provided with the cooperation draw-in groove, the power motor has set firmly in the side connection inner chamber end wall, power motor one side power connection is provided with the cooperation threaded rod, the cooperation threaded rod with the side is connected inner chamber end wall normal running fit and is connected, cooperation threaded rod surface screw-thread fit connection is provided with the interior thread plate that slides, the interior thread plate that slides with the inner chamber sliding fit connection is connected to the side, the interior thread plate that slides with it is fixed to stretch out the piece, opening spout one side is provided with the arch, the arch with cooperation draw-in groove dress card.