CN112010195A

CN112010195A - Material hoisting equipment and method for building

Info

Publication number: CN112010195A
Application number: CN202010974295.8A
Authority: CN
Inventors: 余焯兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2020-12-01

Abstract

The invention discloses a material lifting device for buildings, which comprises a lifting tower, wherein a material loading platform is arranged on one side of the lifting tower, a material loading frame is connected onto the material loading platform, a material adjusting component for adjusting the material loading position is connected onto the material loading frame, a detecting component for detecting whether the weight position in the material loading frame deviates or not is connected to the bottom of the material loading frame, the adjusting component moves under the control of the detecting component, an auxiliary component for assisting lifting is connected onto one side of the material loading frame, the lifting method comprises the steps of discharging, detecting, adjusting and assisting lifting, the weight deviation condition of a placed material in a material placing frame is detected conveniently through a set detection group price, the adjusting component is controlled to adjust the position of the material at the material placing frame according to a signal detected by the detecting component, the placed material is placed at the center position of the material placing frame conveniently, the stability of the hoisting steel rope and the material is convenient to keep during hoisting.

Description

Material hoisting equipment and method for building

Technical Field

The invention relates to the technical field of buildings, in particular to a material hoisting device and method for buildings.

Background

The hoisting engineering refers to hoisting a member or structure which is prefabricated in a factory or a construction site by using hoisting equipment and moving the member or structure to a specified position. In addition to the prefabricated parts, materials and tools in the construction process also need to be vertically transported to a designated height. The common hoisting equipment comprises a tower crane, a mast crane, a crawler crane, an automobile crane, a floating crane and the like, and is used for hoisting structures in different civil engineering and different construction site environments.

The existing hoisting equipment for building materials comprises single-arm starting equipment, after the hoisted materials are bound on the ground, hooks of the hoisting equipment are hung on binding positions, the hoisted materials are different, the binding positions are different, when a single-arm hoist is in the hoisting process, the hoisting hooks are hung on the left side or the right side of the bound materials, the positions of two ends of the bound materials are different, the stress of the two ends of the materials is the same, the materials are easy to shake at the hook of the hoisting equipment, and meanwhile, when the positions of the materials are deviated, the bound materials are hoisted through the hoisted hooks, the bottoms of the materials shake, the materials are not convenient to speak stably, and therefore the hoisting equipment and the hoisting method for building materials are provided.

Disclosure of Invention

The invention aims to provide a material lifting device for buildings, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a material lifting equipment for building, includes the tower crane, install on the tower crane and lift by crane the motor, and the output connection who lifts by crane the motor lifts by crane the steel cable, tower crane one side is equipped with the material loading platform, and is connected with the material loading frame on the material loading platform, be connected with the material adjustment subassembly of adjustment material loading position on the material loading frame, material loading frame bottom is connected with the detection subassembly that whether weight position squinted in the detection material loading frame, and adjusts the subassembly and move under the detection subassembly control, material loading frame one side is connected with the auxiliary assembly that supplementary lifted by crane, and one section of auxiliary assembly and the output shaft who lifts by crane the motor, is convenient for place frame skew condition adjustment material position at the material according to the material.

Preferably, the detection subassembly is including being the pressure sensor of rectangular connection in the material loading frame bottom, material loading platform top is four telescopic links of rectangular connection, and the telescopic link top is connected with contact piece, contact piece corresponds in pressure sensor each other respectively, the spring has been cup jointed in the telescopic link outside, one section of spring is connected with contact piece, and the spring other end is connected with the telescopic link, is convenient for detect out the material and places the frame in the material weight skew condition.

Preferably, the material adjusting assembly comprises a balance shaft connected to the bottom of the material loading frame, two ends of the balance shaft are respectively provided with a support frame, the bottom of the support frame is connected with the material loading platform, two sides of the material loading frame are respectively connected with a rotating motor, the output end of the rotating motor is connected with a lead screw, one section of the lead screw is connected with the material loading frame, the outer side of the lead screw is sleeved with a threaded shaft sleeve, the outer sides of two ends of the threaded shaft sleeve are connected with a connecting plate, two ends of the connecting plate are respectively connected with a sliding rod, the material loading frame is provided with two corresponding sliding rail grooves, one section of the sliding rod slides to penetrate through the sliding rail grooves, the tops of the two sliding rods are connected with pushing plates, two sides of each pushing plate are respectively connected with a sliding shaft, two symmetrical grooves are respectively arranged on two side walls of the material loading, the top of the fixing plate is connected with a lifting steel rope, and two sides of the fixing plate are respectively connected with a binding assembly for binding materials, so that the position of the materials in the material placing frame can be conveniently adjusted.

Preferably, tie up and tie up the subassembly including connecting the reinforcing plate in the middle of the fixed plate, and the reinforcing plate outside is four roller bearings of rectangular connection, be connected with elasticity compression rope on the roller bearing, and the elasticity compression rope other end is connected with the rolling piece that the elasticity compression rope winding of being convenient for compressed tightly, is favorable to tying up the material from the top and ties up.

Preferably, the rolling piece is including connecting at one section winding drum of elasticity pressing rope, and the winding drum bottom is connected with the axis of rotation, the axis of rotation bottom is connected with the connecting block, and connecting block one side be equipped with limit baffle, limit baffle one side is loaded the frame with the material and is connected, and is equipped with the spacing groove on the limit baffle, connecting block one side is connected with the stopper, and stopper sliding connection is in spacing groove department, one side that the stopper was kept away from to the connecting block is connected with and drives axis of rotation pivoted rotation piece, is favorable to carrying out the rolling with elasticity pressing rope.

Preferably, rotate the piece including connecting the first helical gear that sets up in connecting block one side, and first helical gear cup joints in the sliding shaft outside, the axis of rotation outside is connected with the second helical gear, and second helical gear and first helical gear intermeshing, the sliding shaft outside is connected with the promotion gear, groove department is connected with the gear groove, and promotes gear and gear groove intermeshing, through promoting gear and gear groove intermeshing, is convenient for keep the sliding shaft slip forward.

Preferably, the auxiliary assembly is including setting up the mounting panel in balance shaft one end, be connected with two band pulleys on the mounting panel, and be connected with the gear area between two band pulleys, search hand balance shaft one end and be connected with and lift by crane the gear, and lift by crane gear and gear area intermeshing, one of them the output shaft of band pulley is connected with driven gear, the output shaft outside of lifting by crane the motor is connected with the driving gear, and is connected with the drive belt between driving gear and the driven gear, is convenient for when lifting by crane, from the material bottom with the material jack-up one section distance, the lifting by crane of the material of being convenient for.

Preferably, the side wall of the sliding rail groove is provided with a clamping groove, the outer side of the sliding rod is connected with a clamping block, two sides of the clamping block are respectively connected to the clamping groove in a sliding manner, and the sliding of the clamping block and the clamping groove is convenient for keeping the sliding rod stably slide.

A method of lifting construction material comprising lifting the material using the apparatus hereinbefore described:

a: placing the material to be lifted at the material loading frame, and connecting the lifting steel rope with the top of the material loading frame;

b: detecting the material unbalanced position placed at the material loading frame through a detection assembly;

c: controlling a material adjusting component to adjust the position of the material according to the detection signal of the detection component;

d: after the position of the material is adjusted, the auxiliary assembly assists in starting the material to stably lift. The material is conveniently and stably lifted from the bottom.

Compared with the prior art, the invention has the beneficial effects that:

when the material is placed at the material placing frame, the weight deviation condition of the placed material in the material placing frame can be conveniently detected through the set detection group price, the position of the material at the material placing frame can be conveniently adjusted through the adjusting component according to the signal detected by the detecting component, the placed material can be conveniently placed at the central position of the material placing frame, the stability of the lifting steel rope and the lifted material can be conveniently kept during lifting, meanwhile, the auxiliary component is used for assisting lifting during lifting, and the material can be stably lifted from the material loading platform.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the backside structure of the present invention;

FIG. 3 is a schematic structural view of the present invention after the tower crane is removed;

FIG. 4 is a schematic bottom view of the structure of FIG. 3;

FIG. 5 is a side view in partial cutaway configuration of FIG. 3;

FIG. 6 is a schematic view of a partially cut-away structure at the position of the material pushing plate;

FIG. 7 is an enlarged view of a portion A of FIG. 4;

fig. 8 is a schematic view of a part of the enlarged structure at B in fig. 6.

In the figure: 1-lifting a tower crane; 2, hoisting a motor; 3, hoisting a steel rope; 4-a material loading platform; 5-a material loading frame; 6-a material adjusting component; 7-a detection component; 8-an auxiliary component; 9-a pressure sensor; 10-a telescopic rod; 11-a contact block; 12-a spring; 13-a balance shaft; 14-a support frame; 15-rotating the motor; 16-a screw rod; 17-a threaded shaft sleeve; 18-a connecting plate; 19-a slide bar; 20-a slide rail groove; 21-a material pushing plate; 22-a sliding shaft; 23-a groove; 24-a fixing plate; 25-a tie-up assembly; 26-a reinforcing plate; 27-a roller; 28-elastic compression rope; 29-a roll-up; 30-winding of the roll; 31-a rotating shaft; 32-connecting blocks; 33-a limit baffle; 34-a limiting groove; 35-a limiting block; 36-a rotating member; 37-a first bevel gear; 38-a second bevel gear; 39-push gear; 40-gear groove; 41-mounting plate; 42-a pulley; 43-gear belt; 44-hoisting gear; 45-driven gear; 46-a drive gear; 47-a transmission belt; 48-card slot; 49-latch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a material hoisting device for building solves the problem that when the existing single-arm hoisting machine hoists materials, due to different binding positions of the materials, the hoisting shaking phenomenon of the hooks of the materials and the hoisting device occurs, the design in the scheme comprises a hoisting tower 1, a hoisting motor 2 is installed on the hoisting tower 1, the output end of the hoisting motor 2 is connected with a winch, an asynchronous motor is adopted to start and stop the hoisting motor in time, the output of the hoisting motor 2 is connected with a hoisting steel rope 3, a material loading platform 4 is arranged on one side of the hoisting tower 1, a material loading frame 5 is connected with the material loading platform 4, a material adjusting component 6 for adjusting the material loading position is connected with the material loading frame 5, a detecting component 7 for detecting whether the weight position in the material loading frame 5 deviates or not is connected to the bottom of the material loading frame 5, and the adjusting component moves under the control of the detecting component 7, one side of the material loading frame 5 is connected with an auxiliary assembly 8 for assisting in lifting, and one section of the auxiliary assembly 8 is connected with an output shaft of the lifting motor 2.

When the device in this scheme of use, through placing the material that will wait to lift by crane in material loading frame 5 department, detect out the skew condition of material at material loading frame 5 through detection component 7 this moment, for example when material loading frame 5 left side is overweight, through controlling left material adjustment subassembly 6 this moment, be convenient for promote the left side material to the right side, keep left and right sides material weight balance, be convenient for keep the material stable with lifting by crane between steel cable 3 when lifting by crane, simultaneously when lifting by crane, through only auxiliary assembly 8 department with the power transmission of lifting by crane motor 2, be convenient for push out a section distance with the material through auxiliary assembly 8, be convenient for supplementary motor 2 and the steel cable 3 that lifts by crane lift by crane the material balance.

In the scheme, the detection assembly 7 comprises pressure sensors 9 which are connected to the bottom of the material loading frame 5 in a rectangular mode, the pressure sensors 9 are respectively installed at four corners of the bottom of the material loading frame 5, the material deviation condition in the material loading frame 5 can be detected conveniently, the top of the material loading platform 4 is connected with four telescopic rods 10 in a rectangular mode, the top of each telescopic rod 10 is connected with a contact block 11, the contact blocks 11 correspond to the pressure sensors 9, springs 12 are sleeved on the outer sides of the telescopic rods 10, one sections of the springs 12 are connected with the contact blocks 11, the other ends of the springs 12 are connected with the telescopic rods 10, when materials are loaded on the material loading frame 5, due to the gravity of the materials, balance shafts 13 are fixedly connected to the bottom of the material loading frame 5, the two ends of the balance shafts 13 are in contact rotation with the supporting frame 14, when the gravity of one side of the material, for example, when the gravity on the left side is too large, the pressure sensor 9 arranged on the left side contacts the contact block 11 at the bottom of the left side, the telescopic rod 10 starts to contract under the influence of the gravity and simultaneously extrudes the spring 12, the material position is convenient to adjust by controlling the rotating motor 15, and when the material is adjusted to be balanced, the telescopic rod 10 is convenient to restore to the original position under the elastic force action of the spring 12.

In the scheme, the material adjusting assembly 6 comprises a balance shaft 13 connected to the bottom of a material loading frame 5, two ends of the balance shaft 13 are respectively provided with a support frame 14, the top of the support frame 14 is arc-shaped, the balance shaft 13 is convenient to rotate by placing two ends of the balance shaft 13 on the top of the support frame 14 on one hand, the balance shaft 13 is convenient to separate from the top of the support frame 14 on the other hand, the bottom of the support frame 14 is connected with a material loading table 4, two sides of the material loading frame 5 are respectively connected with a rotating motor 15, the output end of the rotating motor 15 is connected with a lead screw 16, one section of the lead screw 16 is connected with the material loading frame 5, the outer side of the lead screw 16 is sleeved with a threaded shaft sleeve 17, the outer sides of two ends of the threaded shaft sleeve 17 are connected with connecting plates 18, two ends of the connecting plates 18 are respectively connected with sliding rods 19, two corresponding sliding rail, and one section slip of slide bar 19 runs through slide rail groove 20, two slide bar 19 top is connected with scraping wings 21, and the scraping wings 21 of here is through setting up a plurality of pull rods, and the heat dissipation between the material of being convenient for on the one hand, on the other hand has reduced the use of material, and scraping wings 21 both sides are connected with slide-axle 22 respectively, 5 both sides walls of material loading frame are equipped with the recess 23 of two symmetries respectively, and slide-axle 22 sliding connection is in recess 23 department respectively, 5 bottoms of material loading frame are connected with fixed plate 24, fixed plate 24 tops with lift by crane steel cable 3 and be connected with respectively and tie up the subassembly 25 that ties up the material to fixed plate 24 both sides.

The specific operation process of the material adjusting assembly 6 here is as follows: when materials are loaded on the material loading frame 5, due to the gravity of the materials, the bottom of the material loading frame 5 is fixedly connected with a balance shaft 13, the two ends of the balance shaft 13 are in contact rotation with a support frame 14, when the gravity of one side of the material loading frame 5 is too large, for example, the gravity of the left side is too large, the pressure sensor 9 arranged on the left side is in contact with a contact block 11 at the bottom of the left side, under the influence of the gravity, an expansion rod 10 begins to contract, and a spring 12 is extruded, at the same time, under the control of a signal transmitted by the pressure sensor 9, a rotating motor 15 starts to drive a screw rod 16 to rotate, because a threaded shaft sleeve 17 is sleeved on the outer side of the screw rod 16, the threaded shaft sleeve 17 is conveniently driven to move forwards when the screw rod 16 drives the threaded shaft sleeve 17 to slide forwards, and simultaneously because the threaded shaft sleeve 17 is fixedly connected with a connecting, meanwhile, the top of the connecting plate 18 is fixedly connected with the material pushing plate 21 through the sliding rod 19, so that materials placed in the material loading frame 5 are pushed, the materials are pushed to a proper position, the balance of left and right materials in the material loading frame 55 is kept, at the moment, the fixing plate 24 is fixed at the top of the material loading frame 5, the hoisting steel rope 3 is fixedly connected with the fixing plate 24, and the hoisting steel rope 3 and the material loading frame 5 are hoisted through the hoisting motor 2.

Tie up and tie up subassembly 25 including connecting reinforcing plate 26 in the middle of fixed plate 24, and the reinforcing plate 26 outside is four roller bearings 27 of rectangular connection, be connected with elasticity pressing rope 28 on the roller bearing 27, and the elasticity pressing rope 28 other end is connected with the rolling piece 29 that the rolling of the elasticity pressing rope 28 rope of being convenient for compressed tightly. The rolling part 29 is including connecting at the one section winding drum 30 of elastic compression rope 28, and winding drum 30 bottom is connected with axis of rotation 31, axis of rotation 31 bottom is connected with connecting block 32, and connecting block 32 one side be equipped with limit baffle 33, limit baffle 33 one side is loaded frame 5 with the material and is connected, and is equipped with spacing groove 34 on the limit baffle 33, connecting block 32 one side is connected with stopper 35, and stopper 35 sliding connection is in spacing groove 34 department, one side that stopper 35 was kept away from to connecting block 32 is connected with and drives axis of rotation 31 pivoted rotation piece 36. The rotating part 36 comprises a first bevel gear 37 connected and arranged on one side of the connecting block 32, the first bevel gear 37 is sleeved on the outer side of the sliding shaft 22, a second bevel gear 38 is connected on the outer side of the rotating shaft 31, the second bevel gear 38 is meshed with the first bevel gear 37, a pushing gear 39 is connected on the outer side of the sliding shaft 22, a gear groove 40 is connected at the position of the groove 23, and the pushing gear 39 is meshed with the gear groove 40.

The concrete operation steps of binding the top of the material are as follows: under the output power of the rotating motor 15, the material pushing plate 21 slides at the material loading frame 5, meanwhile, because the two sides of the material pushing plate 21 are fixedly connected with the sliding shafts 22, the remaining gear grooves 40 of the pushing gear 39 connected at the outer side of the sliding shafts 22 are mutually engaged, when a unilateral material in the material loading frame 5 is overweight, the material pushing plate 21 pushes out the material, meanwhile, the sliding shafts 22 slide forwards at the grooves 23, under the action of the pushing gear 39 and the gear grooves 40, one end of the sliding shaft 22 rotates along the connecting block 32, meanwhile, the first helical gear 37 is connected at the outer side of the sliding shaft 22, when the sliding shaft 22 rotates, the first helical gear 37 and the second helical gear 38 engaged with the first helical gear are conveniently driven to rotate, because the rotating shaft 31 is fixedly connected with the second helical gear 38, when the second helical gear 38 rotates, the rotating shaft 31 and the winding drum 30 are conveniently driven to rotate, thereby the elastic pressing rope 28 connected to the winding drum 30 is contracted, thereby will place and compress tightly at the material top of material loading frame 5 department and tie up, when being convenient for guarantee material unilateral and promote, in time tie up the material that promotes the side and tie up.

The auxiliary assembly 8 comprises a mounting plate 41 arranged at one end of a balance shaft 13, the mounting plate 41 is connected with two belt wheels 42, a gear belt 43 is connected between the two belt wheels 42, one end of the arm searching balance shaft 13 is connected with a lifting gear 44, the lifting gear 44 is meshed with the gear belt 43, an output shaft of one belt wheel 42 is connected with a driven gear 45, the outer side of an output shaft of the lifting motor 2 is connected with a driving gear 46, a transmission belt 47 is connected between the driving gear 46 and the driven gear 45, when the lifting motor 2 is started, the driving gear 46 connected to the output shaft of the lifting motor 2 starts to rotate at the moment, so that the transmission belt 47 and the driven gear 45 are driven to rotate, the driven gear 45 is fixedly connected to the output shaft of the belt wheel 42, so that the belt wheel 42 and the gear belt 43 are driven to move, and one end of the balance shaft, when the gear belt 43 moves, the lifting gear 44 and the balance shaft 13 are conveniently driven to move upwards, so that one end of the material is jacked from the bottom of the material while the material is lifted through the lifting steel rope 3, and the material is conveniently and stably lifted.

The side wall of the slide rail groove 20 is provided with a clamping groove 48, the outer side of the slide rod 19 is connected with a clamping block 49, two sides of the clamping block 49 are respectively connected to the clamping groove 48 in a sliding mode, and the slide rod 19 can slide stably through limiting sliding of the clamping block 49 and the clamping groove 48.

A method of lifting a material for construction comprising lifting the material using the apparatus described hereinbefore:

a: placing the material to be lifted at the material loading frame 5, and connecting the lifting steel rope 3 with the top of the material loading frame 5;

b: detecting the material unbalanced position placed at the material loading frame 5 through a detection assembly 7;

c: controlling the material adjusting component 6 to adjust the position of the material according to the detection signal of the detecting component 7;

d: after the position of the material is adjusted, the auxiliary assembly 8 assists in starting the material to be stably lifted, so that the material is conveniently and stably lifted from the bottom.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a material equipment of lifting by crane for building, includes lifting by crane tower (1), install on lifting by crane tower (1) and lift by crane motor (2), and the output connection who lifts by crane motor (2) has lifting by crane steel cable (3), its characterized in that: the lifting tower is characterized in that a material loading platform (4) is arranged on one side of the lifting tower (1), a material loading frame (5) is connected onto the material loading platform (4), a material adjusting component (6) for adjusting the material loading position is connected onto the material loading frame (5), a detecting component (7) for detecting whether the weight position in the material loading frame (5) deviates or not is connected to the bottom of the material loading frame (5), the adjusting component moves under the control of the detecting component (7), an auxiliary component (8) for assisting lifting is connected to one side of the material loading frame (5), and one section of the auxiliary component (8) is connected with an output shaft of a lifting motor (2).

2. A building material lifting apparatus according to claim 1, wherein: detection subassembly (7) are including being pressure sensor (9) of rectangular connection in material loading frame (5) bottom, material loading platform (4) top is rectangular connection and has four telescopic links (10), and telescopic link (10) top is connected with contact piece (11), contact piece (11) correspond each other in pressure sensor (9) respectively, spring (12) have been cup jointed in the telescopic link (10) outside, spring (12) one section is connected with contact piece (11), and the spring (12) other end is connected with telescopic link (10).

3. A building material lifting apparatus according to claim 2, wherein: the material adjusting assembly (6) comprises a balance shaft (13) connected to the bottom of a material loading frame (5), two ends of the balance shaft (13) are respectively provided with a support frame (14), the bottom of the support frame (14) is connected with a material loading platform (4), two sides of the material loading frame (5) are respectively connected with a rotating motor (15), the output end of the rotating motor (15) is connected with a lead screw (16), one section of the lead screw (16) is connected with the material loading frame (5), the outer side of the lead screw (16) is sleeved with a threaded shaft sleeve (17), the outer sides of two ends of the threaded shaft sleeve (17) are connected with connecting plates (18), two ends of each connecting plate (18) are respectively connected with a sliding rod (19), two corresponding sliding rail grooves (20) are formed in the material loading frame (5), one section of each sliding rod (19) slidably penetrates through the corresponding sliding rail groove (20), the tops of the two sliding rods (19) are connected, and scraping wings (21) both sides are connected with sliding shaft (22) respectively, material loading frame (5) both sides wall is equipped with two symmetrical recess (23) respectively, and sliding shaft (22) sliding connection respectively locates at recess (23), material loading frame (5) bottom is connected with fixed plate (24), fixed plate (24) top with lift by crane steel cable (3) and be connected, and fixed plate (24) both sides are connected with respectively ties up subassembly (25) to tying up the material.

4. A building material lifting apparatus according to claim 3, wherein: tie up and tie up subassembly (25) including connecting reinforcing plate (26) in the middle of fixed plate (24), and reinforcing plate (26) outside is four roller bearings (27) of rectangular connection, be connected with elasticity compression rope (28) on roller bearing (27), and elasticity compression rope (28) other end is connected with the receipts roll spare (29) that the rolling of the elasticity compression rope (28) of being convenient for compressed tightly.

5. A building material lifting apparatus according to claim 4, wherein: the coiling part (29) is including connecting at one section coiling section (30) of elastic compression rope (28), and coiling section (30) bottom is connected with axis of rotation (31), axis of rotation (31) bottom is connected with connecting block (32), and connecting block (32) one side be equipped with limit baffle (33), limit baffle (33) one side and material load frame (5) and be connected, and be equipped with spacing groove (34) on limit baffle (33), connecting block (32) one side is connected with stopper (35), and stopper (35) sliding connection is in spacing groove (34) department, one side that stopper (35) were kept away from in connecting block (32) is connected with and drives axis of rotation (31) pivoted rotation piece (36).

6. A building material lifting apparatus according to claim 5, wherein: rotate piece (36) including connecting first helical gear (37) that sets up in connecting block (32) one side, and first helical gear (37) cup joints in sliding shaft (22) outside, axis of rotation (31) outside is connected with second helical gear (38), and second helical gear (38) and first helical gear (37) intermeshing, sliding shaft (22) outside is connected with and promotes gear (39), recess (23) department is connected with gear groove (40), and promotes gear (39) and gear groove (40) intermeshing.

7. A building material lifting apparatus according to claim 3, wherein: auxiliary assembly (8) are including setting up mounting panel (41) in balance shaft (13) one end, be connected with two band pulleys (42) on mounting panel (41), and be connected with gear belt (43) between two band pulleys (42), search hand balance shaft (13) one end and be connected with and lift by crane gear (44), and lift by crane gear (44) and gear belt (43) intermeshing, one of them the output shaft of band pulley (42) has driven gear (45), the output shaft outside of lifting by crane motor (2) is connected with driving gear (46), and is connected with drive belt (47) between driving gear (46) and driven gear (45).

8. A building material lifting apparatus according to claim 3, wherein: the side wall of the slide rail groove (20) is provided with a clamping groove (48), the outer side of the slide rod (19) is connected with a clamping block (49), and two sides of the clamping block (49) are respectively connected to the clamping groove (48) in a sliding mode.

9. A method of lifting construction materials comprising using the apparatus of claim 1 to lift the materials, wherein:

a: placing the material to be lifted at the material loading frame (5), and simultaneously connecting the lifting steel rope (3) with the top of the material loading frame (5);

b: detecting the material unbalanced position placed at the material loading frame (5) through a detection assembly (7);

c: controlling a material adjusting component (6) to adjust the position of the material according to the detection signal of the detecting component (7);

d: after the position of the material is adjusted, the auxiliary assembly (8) is used for assisting in starting the material to stably lift.