CN112922203B

CN112922203B - Mounting system and mounting method for internal and external corner curtain wall of green building engineering

Info

Publication number: CN112922203B
Application number: CN202110272769.9A
Authority: CN
Inventors: 毛星
Original assignee: Huizhou Shunda Construction And Installation Engineering Co ltd
Current assignee: Huizhou Shunda Construction And Installation Engineering Co ltd
Priority date: 2021-03-13
Filing date: 2021-03-13
Publication date: 2022-07-15
Anticipated expiration: 2041-03-13
Also published as: CN112922203A

Abstract

The invention relates to the technical field of curtain wall installation, in particular to a system and a method for installing a curtain wall at the internal and external corners of a green building project, which comprises the following steps: the bottom plate, bottom plate top threaded connection has two stands, the cover is equipped with adjustment mechanism on the stand, adjustment mechanism's left fixedly connected with collateral branch supporting beam, the groove that runs through has been seted up in adjustment mechanism's front, two it is equipped with a main tributary supporting beam to run through the inslot cover. When the wallboard is placed in uncovered box, put the wallboard between spacing, and arrange in proper order, keep away from two rubber slabs and the inside wallboard inner wall laminating of one side of crane, back in the wallboard propelling movement of front side to two U-shaped frames, under the pulling force effect of extension spring, the wallboard can apply thrust to spacing and promote the wallboard to in the U-shaped frame, meanwhile, spacing can drive the conveyer belt and remove, and with this reciprocal, can be quick after two U-shaped frames move carry out the upper plate operation.

Description

Mounting system and mounting method for internal and external corner curtain wall of green building engineering

Technical Field

The invention relates to the technical field of curtain wall installation, in particular to a system and a method for installing a curtain wall at the internal and external corners of a green building project.

Background

The green building refers to a building which can save resources to the maximum extent within the whole life cycle of the building, comprises the functions of saving energy, land, water, materials and the like, protects the environment, reduces pollution, provides healthy, comfortable and efficient use space for people, and is harmonious with the nature. The green building technology focuses on low consumption, high efficiency, economy, environmental protection, integration and optimization, is benefit sharing between people and nature, and the current and future, and is a construction means for sustainable development.

The curtain all adopts the environmental protection material to make in green building, when forming protruding to building internal and external corner, need adopt artifical flitch, paint the adhesive with the wall, the mode of flitch is earlier with the sticky tape with three curtain limit curtain wallboard not only be in the non-fixed state skew phenomenon appears easily and the tape-stripping is in when clearing up because the sticky tape directly pastes on the wallboard so very difficult clearance, the seam is not on a plane can appear in trilateral even, consequently, the above-mentioned problem can be solved well to an urgent need device now.

Disclosure of Invention

In order to achieve the purpose, the invention adopts the main technical scheme that: a be used for green building engineering negative and positive angle curtain mounting system includes: the bottom plate, bottom plate top threaded connection has two stands, the cover is equipped with adjustment mechanism on the stand, adjustment mechanism's left fixedly connected with collateral branch supporting beam, adjustment mechanism's front has been seted up and has been run through the groove, two run through the inslot cover and be equipped with a main tributary supporting beam, both sides all are provided with spacing tooth around the main tributary supporting beam bottom, main tributary supporting beam and two the top at collateral branch supporting beam top is the U-shaped and is provided with the crane, three the outside fixedly connected with wallboard of crane advances feed mechanism, three a linkage operating device of crane fixedly connected with, linkage operating device right side fixedly connected with promotes the handle, the below that wallboard advanced feed mechanism both sides all is provided with wallboard stop gear.

Preferably, the adjusting mechanism comprises a sliding sleeve, the sliding sleeve is sleeved on the upright post, a circular table sleeve is movably arranged at the bottom of the sliding sleeve, the circular table sleeve is sleeved at the bottom of the sliding sleeve and can extend up and down, a clamping strip is fixedly connected to the left side of the circular table sleeve, a damping plate is fixedly connected to the top of the inner wall of the through groove, and the top of the clamping strip penetrates through a tooth groove formed at the bottom of the sliding sleeve, extends into the through groove and is meshed with the limiting teeth; the round table sleeve comprises a hollow round table sleeve, a movable groove is formed in the right side of the hollow round table sleeve, jacking rods are hinged to the front side and the rear side of the inner wall of the movable groove, an arc-shaped limiting block is hinged to the left end of each jacking rod through a hinge rod, and one side of each arc-shaped limiting block is in lap joint with the surface of each stand column.

Preferably, the crane includes square frame, the square frame endotheca is equipped with two U-shaped frames, two elastic connection between the U-shaped frame, the below fixedly connected with spacing, two of the both sides right angle department about the square frame inner wall the inboard middle part cover of U-shaped frame is equipped with square cover, the sliding cavity has been seted up to square cover one side, the sliding cavity endotheca is equipped with the draw runner, one side and mounting bar one side fixed connection of draw runner, one side fixed stop of left draw runner in two horizontal cranes, right side draw runner right-hand member with linkage operating mechanism is articulated, vertical two the outer end of draw runner with linkage operating mechanism is articulated perpendicular groove that one side of mounting bar was seted up, perpendicular inslot cover is equipped with the slide-shaft.

Preferably, wallboard propulsion feed mechanism includes uncovered box, the transfer chute has all been seted up to the both sides of uncovered box inner wall, both sides are through transfer gear swing joint, two about the transfer chute inner wall the cover is equipped with the conveyer belt on the transfer gear, the surface equidistance of conveyer belt is provided with the locating part, the inner wall that uncovered box kept away from crane one side articulates there are two link rods one, two link rods one end articulates through linking the axle has link rod two, link rod two's one end articulates there is the push pedal, one side fixedly connected with rubber slab of push pedal, two link the axle through extension spring elastic connection.

Preferably, the wallboard limiting mechanism comprises a fixed seat, a slide rod is fixedly connected to the top of the fixed seat, an offset shaft sleeve is sleeved on the slide rod, a fixed plate is fixedly connected to the front side of the offset shaft sleeve, a lower pressing sheet is fixedly connected to the right side of the fixed plate, one end of the lower pressing sheet penetrates through one side of the square frame and extends into the square frame, a cap rod penetrates through the fixed plate, a jacking spring is sleeved on the cap rod, two ends of the jacking spring are fixedly connected with one opposite sides of the fixed seat and the fixed plate respectively, damping sleeves penetrate through two sides of the open box body, clamping rods are elastically arranged in the damping sleeves through compression springs, one ends of the clamping rods are in contact with the outer wall of the offset shaft sleeve, and the other ends of the clamping rods are abutted against one side of the wallboard; the deviation shaft sleeve comprises a circular plate, a deviation shaft is fixedly connected to the bottom of the circular plate, penetrating circular grooves are formed in the circular plate and the deviation shaft, and an inclined groove is formed in one side, close to the clamping rod, of the deviation shaft.

Preferably, the linkage operation mechanism comprises a longitudinal operation box and two transverse operation boxes, the two transverse operation boxes are respectively and fixedly connected to the left side of the longitudinal operation box, the inner cavities of the longitudinal operation box and the two transverse operation boxes are communicated, the two transverse operation boxes and the longitudinal operation box are positioned above the wallboard propulsion feeding mechanism, the upper side and the lower side of the inner wall of the two transverse operation boxes are fixedly connected through a fixed shaft, a movable shaft penetrates through the transverse operation box, the fixed shaft is sleeved in a limit groove formed in the movable shaft, the right end of the two movable shafts is hinged to a longitudinal rod, the right side of the longitudinal rod is fixedly connected with a U-shaped handle, the left end of the U-shaped handle penetrates through the right side of the longitudinal operation box, the left side of the movable shaft is hinged to a pull rod, and the pull rod is hinged to the bottom of the inner wall of the transverse operation box through a first hinge shaft, the sliding bar guiding device is characterized in that a guide groove is formed in one side, close to the sliding bar, of the transverse operating box, a first guiding link rod is hinged to the inside of the guide groove through a guide part, one end of the first guiding link rod is hinged to one end of the sliding bar, the other end of the first guiding link rod is hinged to one end of the pull rod, a right-angle pull rod is hinged to one side, close to the longitudinal operating box, of the movable shaft, a second guiding link rod is hinged to one side of the right-angle pull rod, a sliding groove is formed in the second guiding link rod, a limiting shaft is sleeved in the sliding groove, the upper end and the lower end of the limiting shaft are hinged to the upper side and the lower side of the inner wall of the transverse operating box respectively, and the other end of the second guiding link rod is hinged to the sliding bar longitudinally.

Preferably, one side of one of the U-shaped frames is provided with an elastic groove, and one side of the other U-shaped frame is fixedly connected with an insertion rod which is elastically connected with one side of the inner wall of the elastic groove through an extrusion spring.

A mounting system and a mounting method for a curtain wall at the internal and external corners of green building engineering comprise the following steps:

the first step, the sliding sleeve and the round platform sleeve are sleeved on the upright post, the jacking rod is pushed upwards during installation, when the outer end of the jacking rod moves upwards, the bottom end of the jacking rod drives the arc-shaped limiting block downwards through the hinge rod to move to the large inner cavity of the movable groove, the arc-shaped limiting block is separated from the upright post at the moment, the sliding sleeve and the round platform sleeve are moved to a proper position, the jacking rod is pulled downwards, the arc-shaped limiting block abuts against the inner wall of the movable groove at the moment so that the arc-shaped limiting block is contacted with the surface of the upright post, therefore, the arc-shaped limiting block can be fixed on the proper position, the movement and adjustment are very convenient, the best movement is realized from top to bottom, the sliding sleeve slowly slides through gravity and is convenient to adjust during specific implementation, the main support beam is sleeved in the through groove when the proper position is fixed, the sliding sleeve is contacted with one side of the round platform sleeve under the action of gravity, so that the clamping strip is meshed with the limiting teeth, the width can be adjusted to adapt to the width of the male and female corner surfaces;

secondly, when two U-shaped frames move to the lower part of the inner cavity of the square frame, due to the wedge-shaped design of the limiting strips, under the action of the limiting strips, the lower sides of the limiting strips are gradually separated from the side surfaces of the two U-shaped frames in an overlapped mode, so that the two U-shaped frames are away from each other under the elastic action, the space between the two U-shaped frames is increased, when the wallboard is pushed into the space between the two U-shaped frames by the wallboard pushing and feeding mechanism, the space between the U-shaped frames is increased, when the wallboard moves into the space between the U-shaped frames, the U-shaped frames can be limited by the sliding shaft, when the lifting handle is moved upwards, the lifting handle can simultaneously lift the three lifting frame U-shaped frames upwards, when every two U-shaped frames ascend, the lifting handle gradually moves to the upper part of the side surfaces of the limiting strips, so that one side of the wedge surface is extruded, the two U-shaped frames move in the opposite direction, so that the two U-shaped frames can tighten the wallboard, the three U-shaped frames for clamping the wallboards are linked simultaneously, so that the wallboards can be ensured to be on the same horizontal plane, and can move towards a U-shaped surface formed by a male corner and a female corner simultaneously, and the stability and tidiness of the jointing of the wallboards are ensured;

a third step; when the wall board is placed in the open box body, the wall board is placed between the limiting parts and sequentially arranged, the two rubber plates on one side far away from the lifting frame are attached to the inner wall of the wall board inside, after the wall board on the front side is pushed into the two U-shaped frames, the wall board can apply thrust to the limiting parts and push the wall board into the U-shaped frames under the action of the tension spring, meanwhile, the limiting parts can drive the conveyor belt to move, and therefore, the conveying belt reciprocates, and the board loading operation can be rapidly performed after the two U-shaped frames move downwards;

the fourth step; in the specific operation process, when the two U-shaped frames move to the lowest part, the bottoms of the U-shaped frames are pressed down after contacting with the lower pressing sheets, the lower pressing sheets drive the fixed plate to move downwards, the deviation shaft sleeves move downwards, when the U-shaped frame moves to the lowest part, the uppermost inner wall of the chute is contacted with one side of the clamping rod, so that the elastic force of the compression spring is released, and then the other end of the clamping rod is separated from the lap joint state with the wall plate, under the action of the wallboard pushing and feeding mechanism, the wallboard close to the U-shaped frame enters the U-shaped frame, when the U-shaped frame moves upwards, the U-shaped frame is separated from the lower pressing sheet, under the action of the stretching of the jacking spring, the side surface of the chute jacks the clamping rod, at the moment, the clamping rod clamps the wall plate tightly, therefore, the problem that equipment fails due to the fact that the lower wallboard enters the square frame in the lifting process of the U-shaped frame is avoided;

the fifth step; after the lifting handle is moved upwards and the wallboard is installed, the U-shaped handle is pulled, the U-shaped handle drives the longitudinal rod to move towards the right side, the movable shaft moves towards one side of the right side on the fixed shaft at the moment, the movable shaft can simultaneously rotate the pull rod in the process, the right side of the right-angle pull rod moves and drives the second guide link rod to rotate, the first guide link rod moves towards one side of the guide groove in the process and drives the sliding strip on the right side to rotate, the second guide link rod rotates on the limiting shaft, at the moment, the installation strip moves to the inner cavity of the square frame, and therefore the wall board can be adhered to the U-shaped wall formed by the internal and external corners.

The invention has at least the following beneficial effects:

1. the sliding sleeve and the circular truncated cone sleeve are sleeved on the upright post, the jacking rod is pushed upwards during installation, when the outer end of the jacking rod moves upwards, the bottom end of the jacking rod drives the arc-shaped limiting block downwards through the hinge rod to move to the large inner cavity of the movable groove, the arc-shaped limiting block is separated from the upright post in lap joint, the sliding sleeve and the circular truncated cone sleeve are moved to proper positions, the jacking rod is pulled downwards, the arc-shaped limiting block abuts against the inner wall of the movable groove at the moment so that the arc-shaped limiting block is in contact with the surface of the upright post, the arc-shaped limiting block can be fixed on the proper position, the movement and adjustment are very convenient, during specific implementation, the sliding sleeve and the circular truncated cone sleeve move best from top to bottom, and slowly slide through gravity to facilitate adjustment, when the main support beam is fixed on the proper position, the main support beam is sleeved in the penetrating groove, the sliding sleeve and the opposite side of the sliding sleeve and the circular truncated cone sleeve are in contact under the action of gravity, so that the clamping strip is meshed with the limiting teeth to adjust the width, to accommodate the width of the male and female corner faces.

2. When the two U-shaped frames move to the lower part of the inner cavity of the square frame, due to the wedge-shaped design of the limiting strip, under the action of the limiting strip, the lower side of the limiting strip is gradually separated from the side surfaces of the two U-shaped frames in an overlapped mode, so that the two U-shaped frames are away from each other under the elastic action, the space between the two U-shaped frames is increased, when the wallboard is pushed into the space between the two U-shaped frames by the wallboard pushing and feeding mechanism, the space between the U-shaped frames is increased, when the wallboard moves into the space between the U-shaped frames, the U-shaped frames can be limited by the sliding shaft, and when the lifting handle is moved upwards, the lifting handle can simultaneously lift the three U-shaped frames upwards, so that when each two U-shaped frames rise, the lifting handle gradually moves towards the upper part of the side surface of the limiting strip, so that one side of the wedge surface is extruded, and the two U-shaped frames move in the opposite directions, so that the two U-shaped frames can clamp the wallboard tightly, and can ensure the stability of the wallboard in the lifting process, the flexibility of the movement of the wallboard can be increased, the U-shaped frames of the three clamping wallboards are linked simultaneously, the wallboards can be guaranteed to be on the same horizontal plane, and the wallboards can move towards the U-shaped surface formed by the internal and external corners simultaneously, so that the stability and the neatness of the wallboard attachment are guaranteed.

3. When the wallboard is placed in uncovered box, put the wallboard between spacing, and arrange in proper order, keep away from two rubber slabs and the inside wallboard inner wall laminating of one side of crane, back in the wallboard propelling movement of front side to two U-shaped frames, under the pulling force effect of extension spring, the wallboard can apply thrust to spacing and promote the wallboard to in the U-shaped frame, meanwhile, spacing can drive the conveyer belt and remove, and with this reciprocal, can be quick after two U-shaped frames move carry out the upper plate operation.

4. In the specific operation process, when the two U-shaped frames move to the lowest part, the bottoms of the U-shaped frames press down after contacting with the lower pressing sheet, at the moment, the lower pressing sheet drives the fixing plate to move downwards, at the moment, the deviation shaft sleeve moves downwards, when the U-shaped frame moves to the lowest part, the uppermost inner wall of the chute is contacted with one side of the clamping rod, so that the elastic force of the compression spring is released, and then the other end of the clamping rod is separated from the lap joint state with the wall plate, under the action of the wallboard pushing and feeding mechanism, the wallboard close to the U-shaped frame enters the U-shaped frame, when the U-shaped frame moves upwards, the U-shaped frame is separated from the contact with the lower pressing sheet, under the action of the stretching of the jacking spring, the side surface of the chute jacks the clamping rod, at the moment, the clamping rod clamps the wall plate tightly, therefore, the problem that equipment breaks down due to the fact that the wallboard below enters the square frame in the ascending process of the U-shaped frame is avoided.

5. After the lifting handle is moved upwards and the wallboard is installed, the U-shaped handle is pulled, the U-shaped handle drives the longitudinal rod to move towards the right side, the movable shaft moves towards one side of the right side on the fixed shaft at the moment, the movable shaft can simultaneously rotate the pull rod in the process, the right side of the right-angle pull rod moves and drives the second guide link rod to rotate, the first guide link rod moves towards one side of the guide groove in the process and drives the sliding strip on the right side to rotate, the second guide link rod rotates on the limiting shaft, at the moment, the installation strip moves to the inner cavity of the square frame, and therefore the wall board can be adhered to the U-shaped wall formed by the internal and external corners.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

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

FIG. 2 is a block diagram of the present invention of a circular table sleeve;

FIG. 3 is a block diagram of an adjustment mechanism;

FIG. 4 is a partial schematic view of a top view of the present invention;

FIG. 5 is an enlarged view of FIG. 4 at B;

FIG. 6 is an enlarged view taken at A in FIG. 4;

FIG. 7 is a schematic view of a stop bar of the present invention;

FIG. 8 is a schematic view of an offset bushing in accordance with the present invention.

In the figure, 1 bottom plate, 2 upright posts, 3 adjusting mechanisms, 31 sliding sleeves, 32 round table sleeves, 321 hollow round table sleeves, 322 movable grooves, 323 jacking rods, 324 hinge rods, 325 arc-shaped limiting blocks, 33 clamping strips, 34 damping plates, 35 tooth grooves, 4 main supporting beams, 5 penetrating grooves, 6 limiting teeth, 7 supporting beams, 8 lifting frames, 81 side-branch square frames, 82U-shaped frames, 83 inserting rods, 84 elastic grooves, 85 extrusion springs, 86 limiting strips, 87 square sleeves, 88 sliding cavities, 89 sliding strips, 810 mounting strips, 811 sliding shafts, 9 wall plate pushing and feeding mechanisms, 91 open box bodies, 92 conveying wheels, 93 conveying belts, 94 limiting pieces, 95 connecting rods I, 96 connecting shafts, 97 connecting rods II, 98 pushing plates, 99 rubber plates, 910 tension springs, 10 lifting handles, 11 linkage operating mechanisms, 111 longitudinal operating boxes, 112 transverse operating boxes, 113 movable shafts, 114 movable shafts, 115 limiting grooves, 116 longitudinal rods, 117 right-angle pull rods, 118 second guide link rod, 119 limit shaft, 1110 sliding groove, 1111 first hinge shaft, 1112 pull rod, 1113 first guide link rod, 1114 guide groove, 1115U-shaped handle, 12 wallboard limit mechanism, 1201 fixed seat, 1202 fixed plate, 1203 lower pressing plate, 1204 deviation shaft sleeve, 1241 round plate, 1242 through round groove, 1243 deviation shaft, 1244 inclined groove, 1205 jacking spring, 1206, 1207 cap rod, 1208 damping sleeve, 1209 clamping rod and 1210 compression spring.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

As shown in fig. 1 to 8, the present invention provides a mounting system for a curtain wall at the internal and external corners of green construction engineering, comprising:

bottom plate 1, 1 top threaded connection of bottom plate has two stands 2, the cover is equipped with adjustment mechanism 3 on the stand 2, adjustment mechanism 3's left fixedly connected with collateral branch supporting beam 7, adjustment mechanism 3's front has been seted up and has been run through groove 5, two main tributary supporting beam 4 of being equipped with through groove 5 endotheca, both sides all are provided with spacing tooth 6 around main tributary supporting beam 4 bottom, the top at main tributary supporting beam 4 and two collateral branch supporting beam 7 tops is the U-shaped and is provided with crane 8, three crane 8's the outside fixedly connected with wallboard impels feed mechanism 9, linkage operating device 11 of 8 fixedly connected with of three crane, 11 right side fixedly connected with lifting handle 10 of linkage operating device, the below that wallboard impeld feed mechanism 9 both sides all is provided with wallboard stop gear 12.

The adjusting mechanism 3 comprises a sliding sleeve 31, the sliding sleeve 31 is sleeved on the upright post 2, a circular table sleeve 32 is movably arranged at the bottom of the sliding sleeve 31, the circular table sleeve 32 can extend up and down at the bottom of the sliding sleeve 31, a clamping strip 33 is fixedly connected to the left side of the circular table sleeve 32, a damping plate 34 is fixedly connected to the top of the inner wall of the through groove 5, and the top of the clamping strip 33 penetrates through a tooth groove 35 formed in the bottom of the sliding sleeve 31, extends into the through groove and is meshed with the limiting teeth 6; the round table sleeve 32 comprises a hollow round table sleeve 321, a movable groove 322 is formed in the right side of the hollow round table sleeve 321, jacking rods 323 are hinged to the front side and the rear side of the inner wall of the movable groove 322, an arc-shaped limiting block 325 is hinged to the left end of each jacking rod 323 through a hinge rod 324, and one side of each arc-shaped limiting block 325 is in lap joint with the surface of the upright 2.

The sliding sleeve 31 and the circular truncated cone sleeve 32 are sleeved on the upright post 2, the jacking rod 323 is pushed upwards during installation, when the outer end of the jacking rod 323 moves upwards, the bottom end of the jacking rod 323 downwards drives the arc-shaped limiting block 325 to move to the large inner cavity of the movable groove 322 through the hinge rod 324, at the moment, the arc-shaped limiting block 325 is separated from the upright post 2 in an overlapping way, the sliding sleeve 31 and the circular truncated cone sleeve 32 are moved to a proper position, the jacking rod 323 is pulled downwards, at the moment, the arc-shaped limiting block 325 abuts against the inner wall of the movable groove 322 to enable the arc-shaped limiting block 325 to be in surface contact with the upright post 2, so that the sliding sleeve 31 and the circular truncated cone sleeve 32 can be fixed on the proper position conveniently under the action of gravity after the main supporting beam 4 is sleeved in the through groove 5, in this way, the clamping strip 33 engages with the stop tooth 6, enabling width adjustment to suit the width of the male and female corner faces.

The crane 8 comprises a square frame 81, two U-shaped frames 82 are arranged in the square frame 81 in a sleeved mode, elastic connection is arranged between the two U-shaped frames 82, a limiting strip 86 is fixedly connected to the lower portion of the right angle of the left side and the right side of the inner wall of the square frame 81, a square sleeve 87 is arranged in the middle of the inner side of the two U-shaped frames 82 in a sleeved mode, a sliding cavity 88 is formed in one side of the square sleeve 87, a sliding strip 89 is arranged in the sliding cavity 88 in a sleeved mode, one side of the sliding strip 89 is fixedly connected with one side of an installation strip 810, one side of the left sliding strip 89 in the two transverse cranes 8 is fixed with a baffle, the right side sliding strip 89 right end is hinged to a linkage operating mechanism 11, vertical grooves are formed in the outer ends of the two vertical sliding strips 89 and one side of the linkage operating mechanism 11 hinged to the installation strip 810, and sliding shafts 811 are arranged in the vertical grooves in a sleeved mode.

When the two U-shaped frames 82 move to the lower part of the inner cavity of the square frame 81, due to the wedge-shaped design of the limiting strips 86, under the action of the limiting strips 86, the lower sides of the limiting strips 86 and the side surfaces of the two U-shaped frames 82 are gradually separated from each other and overlapped, so that the two U-shaped frames 82 are away from each other under the elastic action, the space between the two U-shaped frames 82 is increased, when the wallboard pushing and feeding mechanism 9 pushes the wallboard to between the two U-shaped frames 82, the space between the U-shaped frames 82 is increased, when the wallboard moves to the space between the U-shaped frames 82, the wallboard can be limited by the sliding shaft 811, when the lifting handle 10 is moved upwards, the lifting handle 10 can simultaneously lift the three lifting frames 8U-shaped frames 82 upwards, so that when every two U-shaped frames 82 ascend, the side surfaces of the limiting strips 86 gradually move upwards, so that one side of the wedge-shaped surface is squeezed, and the two U-shaped frames 82 move in opposite directions, like this two U-shaped frames 82 can step up the wallboard, can guarantee that the wallboard keeps the stability at the in-process that rises, can also increase the flexibility of the removal of wallboard, and the U-shaped frame 82 of three centre gripping wallboard links simultaneously, can guarantee that the wallboard is on same horizontal plane, but also can remove to the U-shaped face that negative and positive angle formed simultaneously, has guaranteed the stability and the clean and tidy of wallboard laminating.

The wallboard propelling and feeding mechanism 9 comprises an open box body 91, conveying grooves are formed in two sides of the inner wall of the open box body 91, the upper side and the lower side of the inner wall of each conveying groove are movably connected through a conveying wheel 92, conveying belts 93 are sleeved on the two conveying wheels 92, limiting parts 94 are arranged on the outer surfaces of the conveying belts 93 at equal intervals, the inner wall, far away from one side of the lifting frame 8, of the open box body 91 is hinged to a first connecting rod 95, one ends of the first connecting rods 95 are hinged to a second connecting rod 97 through a connecting shaft 96, one end of the second connecting rod 97 is hinged to a push plate 98, a rubber plate 99 is fixedly connected to one side of the push plate 98, and the two connecting shafts 96 are elastically connected through tension springs 910.

When the wallboard is placed in uncovered box 91, put the wallboard between locating part 94, and arrange in proper order, keep away from two rubber slabs 99 and the inside wallboard inner wall laminating of crane 8 one side, the wallboard propelling movement of current side back in two U-shaped frames 82, under the pulling force effect of extension spring 910, the wallboard can exert thrust to locating part 94 and promote the wallboard to U-shaped frame 82 in, meanwhile, locating part 94 can drive conveyer belt 93 and remove, reciprocal with this, can be quick carry out the upper plate operation after two U-shaped frames 82 move down.

The wallboard limiting mechanism 12 comprises a fixed seat 1201, a sliding rod 1206 is fixedly connected to the top of the fixed seat 1201, an offset shaft sleeve 1204 is sleeved on the sliding rod 1206, a fixed plate 1202 is fixedly connected to the front side of the offset shaft sleeve 1204, a lower pressing plate 1203 is fixedly connected to the right side of the fixed plate 1202, one end of the lower pressing plate 1203 penetrates through one side of the square frame 81 and extends into the square frame, a cap rod 1207 penetrates through the fixed plate 1202, a jacking spring 1205 is sleeved on the cap rod 1207, two ends of the jacking spring 1205 are fixedly connected to opposite sides of the fixed seat 1201 and the fixed plate 1202 respectively, damping sleeves 1208 penetrate through two sides of the open box 91, clamping rods 1209 are elastically arranged in the damping sleeves 1208 through compression springs 1210, one end of each clamping rod 1209 is in contact with the outer wall of the offset shaft sleeve 1204, and the other ends of the clamping rods 1209 abut against one side of the wallboard; the offset shaft sleeve 1204 comprises a circular plate 1241, the bottom of the circular plate 1241 is fixedly connected with an offset shaft 1243, the circular plate 1241 and the offset shaft 1243 are both provided with a through circular groove 1242, and one side of the offset shaft 1243 close to the clamping rod 1209 is provided with an inclined groove 1244.

In the specific operation process, when two U-shaped frames 82 move to the lowest position, the bottom of the U-shaped frame 82 contacts with the lower pressing sheet 1203 and then presses downwards, at this time, the lower pressing sheet 1203 drives the fixing plate 1202 to move downwards, at this time, the offset shaft sleeve 1204 moves downwards, when the U-shaped frame 82 moves to the lowest position, the uppermost inner wall of the chute 1244 contacts with one side of the clamping rod 1209, so that the elastic force of the compression spring 1210 is released, in this way, the other end of the clamping rod 1209 is separated from the overlapping state with the wall panel, at this time, under the action of the wall panel pushing and feeding mechanism 9, the wall panel close to the U-shaped frame 82 enters into the U-shaped frame 82, when the U-shaped frame 82 moves upwards, the U-shaped frame 82 is separated from the contact with the lower pressing sheet 1203, under the action of the stretching of the lifting spring 1205, the side of the chute 1244 pushes the clamping rod 1209, at this time, the clamping rod 1209 clamps the wall panel tightly, thus, in the process of lifting of the U-shaped frame 82 is avoided, the lower wall panel enters the square frame 81, causing a problem of equipment failure.

The linkage operating mechanism 11 comprises a longitudinal operating box 111 and two transverse operating boxes 112, the two transverse operating boxes 112 are respectively and fixedly connected to the left side of the longitudinal operating box 111, inner cavities of the longitudinal operating box 111 and the two transverse operating boxes 112 are communicated, the two transverse operating boxes 112 and the longitudinal operating box 111 are positioned above the wallboard pushing and feeding mechanism 9, the upper side and the lower side of the inner wall of the two transverse operating boxes 112 are fixedly connected through a fixed shaft 113, a movable shaft 114 penetrates through the transverse operating box 112, the fixed shaft 113 is sleeved in a limit groove 115 formed in the movable shaft 114, a vertical rod 116 is hinged at the right end of the two movable shafts 114, a U-shaped handle 1115 is fixedly connected to the right side of the vertical rod 116, the left end of the U-shaped handle 1115 penetrates through the right side of the longitudinal operating box 111, a pull rod 1112 is hinged at the left side of the movable shaft 114, the pull rod 1112 is hinged at the bottom of the inner wall of the transverse operating box 112 through a first hinge shaft 1111, a guide groove 1114 is formed at one side of the transverse operating box 112 close to the slide bar 89, a first guide link 1113 is hinged in the guide groove 1114 through a guide part, one end of the first guide link 1113 is hinged with one end of the right slide bar 89, the other end of the first guide link 1113 is hinged with one end of the pull rod 1112, one side of the movable shaft 114 close to the longitudinal operation box 111 is hinged with a right-angle pull rod 117, one side of the right-angle pull rod 117 is hinged with a second guide link 118, the second guide link 118 is provided with a slide groove 1110, a limiting shaft 119 is sleeved in the slide groove 1110, the upper end and the lower end of the limiting shaft 119 are respectively hinged with the upper side and the lower side of the inner wall of the transverse operation box 112, and the other end of the second guide link 118 is hinged with the longitudinal slide bar 89.

After the lifting handle 10 is moved upwards, when the wallboard is installed, the U-shaped handle 1115 is pulled, the U-shaped handle 1115 drives the vertical rod 116 to move towards the right side, at this time, the movable shaft 114 moves towards the right side on the fixed shaft 113, in the process, the movable shaft 114 can simultaneously rotate the pull rod 1112, the right side of the right-angle pull rod 117 moves, and the second guide link rod 118 rotates, in the process, the first guide link rod 1113 moves towards one side of the guide groove 1114 and drives the slide bar 89 at the right side to rotate, the second guide link rod 118 rotates on the limiting shaft 119, at this time, the installation bar 810 moves to the inner cavity of the square frame 81, and thus, the wallboard can be adhered to the U-shaped wall surface formed by the internal and external corners.

One side of one of the U-shaped frames 82 is provided with an elastic groove 84, one side of the other U-shaped frame 82 is fixedly connected with an insertion rod 83, and the insertion rod 83 is elastically connected with one side of the inner wall of the elastic groove 84 through an extrusion spring 85.

A mounting system and a mounting method for a curtain wall at the internal and external corners of green building engineering are characterized in that: the method comprises the following steps:

firstly, the sliding sleeve 31 and the circular truncated cone sleeve 32 are sleeved on the upright post 2, the jacking rod 323 is pushed upwards during installation, when the outer end of the jacking rod 323 moves upwards, the bottom end of the jacking rod 323 downwards drives the arc-shaped limiting block 325 to move to the large inner cavity of the movable groove 322 through the hinge rod 324, the arc-shaped limiting block 325 is separated from the upright post 2 and is overlapped, the sliding sleeve 31 and the circular truncated cone sleeve 32 are moved to a proper position, then the jacking rod 323 is pulled downwards, the arc-shaped limiting block 325 is abutted against the inner wall of the movable groove 322 to cause the arc-shaped limiting block 325 to be in surface contact with the upright post 2, so that the sliding sleeve 31 and the circular truncated cone sleeve 32 can be fixed at a proper position, the movement and adjustment are very convenient, in specific implementation, the sliding sleeve moves from top to bottom optimally, the sliding is performed slowly through gravity, the adjustment is convenient, when the main support beam 4 is fixed at the proper position, the sliding sleeve 4 is sleeved in the through groove 5, and then the sliding sleeve 31 and the circular truncated cone sleeve 32 are in contact with one side under the action of gravity, thus, the clamping strip 33 is meshed with the limiting teeth 6, and the width can be adjusted to adapt to the width of the internal and external corner surfaces;

secondly, when the two U-shaped frames 82 move to the lower part of the inner cavity of the square frame 81, due to the wedge-shaped design of the limit strips 86, under the action of the limit strips 86, the lower sides of the limit strips 86 are gradually separated from the side surfaces of the two U-shaped frames 82 to be overlapped, so that the two U-shaped frames 82 are far away from each other under the elastic action, the space between the two U-shaped frames 82 is increased, when the wallboard pushing and feeding mechanism 9 pushes the wallboard to between the two U-shaped frames 82, the space between the U-shaped frames 82 is increased, when the wallboard moves to the space between the U-shaped frames 82, the wallboard can be limited by the sliding shaft 811, when the lifting handle 10 is moved upwards, the lifting handle 10 can simultaneously lift the three U-shaped frames 82 of the lifting frame 8 upwards, so that when each two U-shaped frames 82 rise, the two U-shaped frames 82 gradually move upwards to the side surfaces of the limit strips 86, so that one side of the wedge-shaped surfaces is squeezed, and the two U-shaped frames 82 move in the opposite direction, the two U-shaped frames 82 can clamp the wallboard, so that the stability of the wallboard can be guaranteed in the lifting process, and the flexibility of movement of the wallboard can be increased;

a third step; when the wall board is placed in the open box body 91, the wall board is placed between the limiting parts 94 and arranged in sequence, two rubber plates 99 on one side far away from the lifting frame 8 are attached to the inner wall of the wall board inside, after the wall board on the front side is pushed into the two U-shaped frames 82, under the action of the tensile force of the tension spring 910, the wall board can apply a pushing force to the limiting parts 94 and push the wall board into the U-shaped frames 82, meanwhile, the limiting parts 94 can drive the conveyor belt 93 to move and reciprocate, and after the two U-shaped frames 82 move downwards, the board loading operation can be rapidly carried out;

the fourth step; in the specific operation process, when two U-shaped frames 82 move to the lowest position, the bottom of the U-shaped frame 82 contacts with the lower pressing sheet 1203 and then presses downwards, at this time, the lower pressing sheet 1203 drives the fixing plate 1202 to move downwards, at this time, the offset shaft sleeve 1204 moves downwards, when the U-shaped frame 82 moves to the lowest position, the uppermost inner wall of the chute 1244 contacts with one side of the clamping rod 1209, so that the elastic force of the compression spring 1210 is released, in this way, the other end of the clamping rod 1209 is separated from the overlapping state with the wall panel, at this time, under the action of the wall panel pushing and feeding mechanism 9, the wall panel close to the U-shaped frame 82 enters into the U-shaped frame 82, when the U-shaped frame 82 moves upwards, the U-shaped frame 82 is separated from the contact with the lower pressing sheet 1203, under the action of the stretching of the lifting spring 1205, the side of the chute 1244 pushes the clamping rod 1209, at this time, the clamping rod 1209 clamps the wall panel tightly, thus, in the process of lifting of the U-shaped frame 82 is avoided, the lower wall plate enters the square frame 81, causing the problem of equipment failure;

the fifth step; after the lifting handle 10 is moved upwards, when the wallboard is installed, the U-shaped handle 1115 is pulled, the U-shaped handle 1115 drives the vertical rod 116 to move towards the right side, at this time, the movable shaft 114 moves towards the right side on the fixed shaft 113, in the process, the movable shaft 114 can simultaneously rotate the pull rod 1112, the right side of the right-angle pull rod 117 moves, and the second guide link rod 118 rotates, in the process, the first guide link rod 1113 moves towards one side of the guide groove 1114 and drives the slide bar 89 at the right side to rotate, the second guide link rod 118 rotates on the limiting shaft 119, at this time, the installation bar 810 moves to the inner cavity of the square frame 81, and thus, the wallboard can be adhered to the U-shaped wall surface formed by the internal and external corners.

As some terms are used throughout the description and claims to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. The description and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, that a person skilled in the art can solve the technical problem within a certain error range, and that the technical effect is substantially achieved.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article of commerce or system in which the element is comprised.

The foregoing description shows and describes several preferred embodiments of the invention, but as before, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a be used for green building engineering negative and positive angle curtain mounting system which characterized in that includes: the lifting frame comprises a base plate (1), the top of the base plate (1) is in threaded connection with two stand columns (2), the stand columns (2) are sleeved with adjusting mechanisms (3), a left fixedly connected side supporting beam (7) of each adjusting mechanism (3), the front of each adjusting mechanism (3) is provided with a through groove (5), two main supporting beams (4) are sleeved in the through grooves (5), limiting teeth (6) are arranged on the front side and the rear side of the bottom of each main supporting beam (4), the tops of the main supporting beams (4) and the tops of the two side supporting beams (7) are provided with lifting frames (8) in a U shape, the outer sides of the three lifting frames (8) are fixedly connected with a wallboard pushing and feeding mechanism (9), the three lifting frames (8) are fixedly connected with a linkage operating mechanism (11), and lifting handles (10) are fixedly connected to the right sides of the linkage operating mechanism (11), wall board limiting mechanisms (12) are arranged below two sides of the wall board pushing and feeding mechanism (9); the adjusting mechanism (3) comprises a sliding sleeve (31), the sliding sleeve (31) is sleeved on the stand column (2), a circular table sleeve (32) is movably arranged at the bottom of the sliding sleeve (31), the circular table sleeve (32) can stretch up and down at the bottom of the sliding sleeve (31), a clamping strip (33) is fixedly connected to the left side of the circular table sleeve (32), a damping plate (34) is fixedly connected to the top of the inner wall of the through groove (5), and the top of the clamping strip (33) penetrates through a tooth groove (35) formed in the bottom of the sliding sleeve (31), extends into the sliding sleeve (31) and is meshed with the limiting teeth (6); the round table sleeve (32) comprises a hollow round table sleeve (321), a movable groove (322) is formed in the right side of the hollow round table sleeve (321), jacking rods (323) are hinged to the front side and the rear side of the inner wall of the movable groove (322), an arc-shaped limiting block (325) is hinged to the left end of each jacking rod (323) through a hinge rod (324), and one side of each arc-shaped limiting block (325) is overlapped with the surface of the upright column (2); the lifting frame (8) comprises a square frame (81), two U-shaped frames (82) are arranged in the square frame (81) in a sleeved mode, the two U-shaped frames (82) are connected elastically, limiting strips (86) are fixedly connected to the lower portions of right-angle positions of the left side and the right side of the inner wall of the square frame (81), square sleeves (87) are sleeved on the middle portions of the inner sides of the two U-shaped frames (82), a sliding cavity (88) is formed in one side of each square sleeve (87), sliding strips (89) are arranged in the sliding cavity (88) in a sleeved mode, one side of each sliding strip (89) is fixedly connected with one side of a mounting strip (810), one side fixing baffle plate of each left sliding strip (89) in the two transverse lifting frames (8), the right end of each right sliding strip (89) is hinged to the linkage operating mechanism (11), the outer ends of the two vertical sliding strips (89) are hinged to vertical grooves formed in one side of the mounting strip (810) through the linkage operating mechanism (11), a sliding shaft (811) is sleeved in the vertical groove; the wallboard propelling and feeding mechanism (9) comprises an open box body (91), wherein conveying grooves are formed in two sides of the inner wall of the open box body (91), the upper side and the lower side of the inner wall of each conveying groove are movably connected through a conveying wheel (92), a conveying belt (93) is sleeved on the two conveying wheels (92), limiting parts (94) are arranged on the outer surface of the conveying belt (93) at equal intervals, two first link rods (95) are hinged to the inner wall of one side, away from the lifting frame (8), of the open box body (91), one ends of the two first link rods (95) are hinged to a second link rod (97) through connecting shafts (96), one end of the second link rod (97) is hinged to a push plate (98), a rubber plate (99) is fixedly connected to one side of the push plate (98), and the two connecting shafts (96) are elastically connected through tension springs (910); the wallboard limiting mechanism (12) comprises a fixed seat (1201), a sliding rod (1206) is fixedly connected to the top of the fixed seat (1201), an offset shaft sleeve (1204) is sleeved on the sliding rod (1206), a fixing plate (1202) is fixedly connected to the front side of the offset shaft sleeve (1204), a lower pressing plate (1203) is fixedly connected to the right side of the fixing plate (1202), one end of the lower pressing plate (1203) penetrates through one side of the square frame (81) and extends into the square frame, a cap rod (1207) penetrates through the fixing plate (1202), a jacking spring (1205) is sleeved on the cap rod (1207), two ends of the jacking spring (1205) are respectively and fixedly connected with the opposite sides of the fixed seat (1201) and the fixing plate (1202), damping sleeves (1208) penetrate through two sides of the open box body (91), and clamping rods (1209) are elastically arranged in the damping sleeves (1208) through compression springs (1210), one end of the clamping rod (1209) is in contact with the outer wall of the deviation shaft sleeve (1204), and the other end of the clamping rod (1209) is abutted against one side of the wall board; the deviation shaft sleeve (1204) comprises a circular plate (1241), the bottom of the circular plate (1241) is fixedly connected with a deviation shaft (1243), the circular plate (1241) and the deviation shaft (1243) are both provided with through circular grooves (1242), and one side of the deviation shaft (1243) close to the clamping rod (1209) is provided with an inclined groove (1244); the linkage operating mechanism (11) comprises a longitudinal operating box (111) and two transverse operating boxes (112), wherein the two transverse operating boxes (112) are respectively and fixedly connected to the left side of the longitudinal operating box (111), the inner cavities of the longitudinal operating box (111) and the two transverse operating boxes (112) are communicated, the two transverse operating boxes (112) and the longitudinal operating box (111) are located above the wallboard pushing and feeding mechanism (9), the upper side and the lower side of the inner wall of the two transverse operating boxes (112) are fixedly connected through a fixing shaft (113), a movable shaft (114) penetrates through the transverse operating box (112), the fixing shaft (113) is sleeved in a limiting groove (115) formed in the movable shaft (114), the right ends of the two movable shafts (114) are hinged with a longitudinal rod (116), the right side of the longitudinal rod (116) is fixedly connected with a U-shaped handle (1115), the left end of the U-shaped handle (1115) runs through the right side of the longitudinal operation box (111), the left side of the movable shaft (114) is hinged with a pull rod (1112), the pull rod (1112) is hinged at the bottom of the inner wall of the transverse operation box (112) through a first hinge shaft (1111), one side of the transverse operation box (112) close to the sliding strip (89) is provided with a guide groove (1114), the guide groove (1114) is hinged with a first guide link rod (1113) through a guide part, one end of the first guide link rod (1113) is hinged with one end of the sliding strip (89) at the right side, the other end of the first guide link rod (1113) is hinged with one end of the pull rod (1112), one side of the movable shaft (114) close to the longitudinal operation box (111) is hinged with a right-angle pull rod (117), one side of the right-angle pull rod (117) is hinged with a second guide link rod (118), a sliding groove (1110) is formed in the second guide link rod (118), a limiting shaft (119) is sleeved in the sliding groove (1110), the upper end and the lower end of the limiting shaft (119) are hinged to the upper side and the lower side of the inner wall of the transverse operation box (112) respectively, and the other end of the second guide link rod (118) is hinged to the longitudinal sliding strip (89); one side of one U-shaped frame (82) is provided with an elastic groove (84), one side of the other U-shaped frame (82) is fixedly connected with an insertion rod (83), and the insertion rod (83) is elastically connected with one side of the inner wall of the elastic groove (84) through an extrusion spring (85).

2. The installation method of the installation system of the internal and external corner curtain wall for green building engineering as claimed in claim 1, wherein: the method comprises the following steps:

firstly, a sliding sleeve (31) and a circular table sleeve (32) are sleeved on an upright post (2), a jacking rod (323) is pushed upwards during installation, when the outer end of the jacking rod (323) moves upwards, the bottom end of the jacking rod (323) drives an arc-shaped limiting block (325) downwards to move to a large inner cavity of a movable groove (322) through a hinge rod (324), the arc-shaped limiting block (325) is separated from the upright post (2) to be lapped, the sliding sleeve (31) and the circular table sleeve (32) are moved to a proper position, the jacking rod (323) is pulled downwards, the arc-shaped limiting block (325) is propped against the inner wall of the movable groove (322) to enable the arc-shaped limiting block (325) to be in contact with the surface of the upright post (2), so that the sliding sleeve can be fixed on the proper position, the movement adjustment is very convenient, the sliding is best in specific implementation, the sliding is from top to bottom, the sliding is slow through gravity, the adjustment is convenient, and when the fixing is carried out on the proper position, after the main supporting beam (4) is sleeved in the through groove (5), under the action of gravity, the sliding sleeve (31) is in contact with one side, opposite to the circular table sleeve (32), of the circular table sleeve, so that the clamping strip (33) is meshed with the limiting teeth (6), and the width can be adjusted to adapt to the width of a yin-yang corner surface;

secondly, when the two U-shaped frames (82) move to the lower part of the inner cavity of the square frame (81), due to the wedge-shaped design of the limiting strips (86), under the action of the limiting strips (86), the lower sides of the limiting strips (86) are gradually separated from the side surfaces of the two U-shaped frames (82) in an overlapping manner, so that the two U-shaped frames (82) are far away from each other under the elastic action, the space between the two U-shaped frames (82) is increased, when the wallboard pushing and feeding mechanism (9) pushes the wallboard to the space between the two U-shaped frames (82), the space between the U-shaped frames (82) is increased, when the wallboard is moved to the space between the U-shaped frames (82), the wallboard can be limited by the sliding shaft (811), when the lifting handle (10) moves upwards, the lifting handle (10) can simultaneously lift the three lifting frames (8) upwards, so that when each two U-shaped frames (82) lift upwards, the two U-shaped frames (82) gradually move upwards to the side surfaces of the limiting strips (86), the wallboard is extruded on one side of the wedge-shaped surface, so that the two U-shaped frames (82) move in the opposite directions, the wallboard can be fastened by the two U-shaped frames (82), the stability of the wallboard in the rising process can be guaranteed, the flexibility of movement of the wallboard can be increased, the three U-shaped frames (82) for clamping the wallboard are linked simultaneously, the wallboard can be guaranteed to be on the same horizontal plane, the wallboard can move towards the U-shaped surface formed by the internal and external corners simultaneously, and the stability and tidiness of the wallboard in attachment are guaranteed;

a third step; when the wall board is placed in the open box body (91), the wall board is placed between the limiting parts (94) and sequentially arranged, two rubber plates (99) on one side far away from the lifting frame (8) are attached to the inner wall of the wall board inside, after the wall board on the front side is pushed into the two U-shaped frames (82), under the action of the pulling force of the tension spring (910), the wall board can apply pushing force to the limiting parts (94) and push the wall board into the U-shaped frames (82), meanwhile, the limiting parts (94) can drive the conveyor belt (93) to move, and the reciprocating motion is carried out, and the two U-shaped frames (82) can quickly carry out board loading operation after moving downwards;

the fourth step; in the specific operation process, when two U-shaped frames (82) move to the lowest part, the bottom of the U-shaped frame (82) is contacted with a lower pressing sheet (1203) and then pressed downwards, at the moment, the lower pressing sheet (1203) drives a fixing plate (1202) to move downwards, at the moment, an offset shaft sleeve (1204) moves downwards, when the U-shaped frames (82) move to the lowest part, the uppermost inner wall of a chute (1244) is contacted with one side of a clamping rod (1209), so that the elastic force of a compression spring (1210) is released, in this way, the other end of the clamping rod (1209) is separated from the overlapping state of the wallboard, at the moment, under the action of a wallboard pushing and feeding mechanism (9), the wallboard close to the U-shaped frame (82) enters the U-shaped frame (82), when the U-shaped frame (82) moves upwards, the U-shaped frame (82) is separated from the contact with the lower pressing sheet (1203), under the action of the stretching of a lifting spring (1205), the side surface of the chute (1244) pushes the clamping rod (9), at the moment, the wallboard is clamped by the clamping rod (1209), so that the problem that equipment fails due to the fact that the lower wallboard enters the square frame (81) in the ascending process of the U-shaped frame (82) is avoided;

the fifth step; after the lifting handle (10) is moved upwards, when the wallboard is installed, the U-shaped handle (1115) is pulled, the U-shaped handle (1115) drives the longitudinal rod (116) to move towards the right side, at the moment, the movable shaft (114) moves towards the right side on the fixed shaft (113), in the process, the movable shaft (114) can simultaneously rotate the pull rod (1112), the right side of the right-angle pull rod (117) moves, and the second guide link rod (118) is driven to rotate, in the process, the first guide link rod (1113) moves towards one side of the guide groove (1114) and drives the right-side sliding strip (89) to rotate, the second guide link rod (118) rotates on the limiting shaft (119), at the moment, the installation strip (810) moves to the inner cavity of the square frame (81), and therefore the wallboard can be adhered to a U-shaped wall surface formed by the internal and external corners.