CN210369816U

CN210369816U - External scaffold

Info

Publication number: CN210369816U
Application number: CN201921033854.4U
Authority: CN
Inventors: 罗志伟; 张玉民; 曾旻; 胡水文; 郭细彪; 彭意松
Original assignee: Dongguan Jianan Group Co ltd
Current assignee: Dongguan Jianan Group Co ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-04-21
Anticipated expiration: 2029-07-03

Abstract

The utility model relates to an external scaffold, which comprises a frame body, precast piles prefabricated on an external wall, a lifting platform movably mounted on the frame body and a winch arranged at the top of the frame body, wherein the winch is connected with the lifting platform through a rope; connecting pieces are arranged at the end parts of the stand columns, the connecting pieces on adjacent splicing units are sleeved on the precast pile, and the precast pile is provided with external threads and is provided with fastening nuts which are tightly propped against the connecting pieces; a movable groove is formed in one side of the stand column, movable blocks matched with the movable groove are arranged at four corners of the lifting platform, and the movable blocks drive the lifting platform to slide along the vertical direction. The utility model discloses have and be convenient for go up and down and have higher structural stability's effect.

Description

External scaffold

Technical Field

The utility model belongs to the technical field of the technique of building decoration structure and specifically relates to an external scaffolding is related to.

Background

At present, an external scaffold is constructed at a building structure, the external scaffold can be used as an overhead working edge safety protection, and constructors can perform construction operations such as reinforcing steel bar binding, formwork erecting, concrete pouring, exterior wall decoration and the like on the external scaffold. In the tradition way, be connected outer scaffold frame and outer wall when outer wall structure is under construction to depend on the outer wall with outer scaffold frame, in order to maintain outer scaffold frame's steadiness, prevent that safety problems such as slope from appearing in outer scaffold frame.

The existing technology is that an external climbing double-row scaffold provided in the patent application with the publication number of CN203654697U comprises a wall connecting piece, a connecting rod, a wall connecting small cross rod, an upper brace diagonal rod and a lower pull diagonal rod, wherein the wall connecting piece is pre-embedded in a beam column of a building and is connected with the wall connecting small cross rod through the connecting rod; one end of each of the upper supporting inclined rod and the lower supporting inclined rod is fixedly connected with the outer end part of the small wall connecting cross rod, and the other end of each of the upper supporting inclined rod and the lower supporting inclined rod is connected with the wall body end of the adjacent small wall connecting cross rod. The utility model discloses an outer double scaffold frame that climbs has save material, and the installation, dismantle portably, convenient to use, characteristics such as factor of safety height.

The above prior art solutions have the following drawbacks: when climbing scaffold outward and accomplishing to carry out building construction in the installation, need the workman upwards to climb appointed position from the bottom, use inconvenient and the security is lower, if increase elevating gear on the scaffold, then elevating gear and the difficult assurance of connection stability between climbing scaffold outward have consequently caused awkward problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an external scaffolding has and is convenient for go up and down and has higher structural stability's effect.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an external scaffolding, includes support body, prefabricated precast pile, the elevating platform of movable mounting on the support body on the outer wall and sets up the hoist engine at the support body top, and the hoist engine passes through the rope to be connected with the elevating platform, its characterized in that: the frame body comprises a plurality of splicing units which are spliced with each other, each splicing unit comprises a cross rod and a stand column, each stand column comprises two inner side stand columns and two outer side stand columns, and each cross rod comprises a transverse cross rod connected between the stand columns on the same side and a longitudinal cross rod connected between the stand columns on different sides; connecting pieces are arranged at the end parts of the stand columns, the connecting pieces on adjacent splicing units are sleeved on the precast pile, and the precast pile is provided with external threads and is provided with fastening nuts which are tightly propped against the connecting pieces; an inclined strut is arranged between the longitudinal cross rod and the inner side vertical column; the side surface of the splicing unit is provided with a movable groove, four corners of the lifting platform are provided with movable blocks matched with the movable groove, and the movable blocks drive the lifting platform to slide along the vertical direction; the inner side of the lifting platform is provided with a positioning plate which is positioned between the inner side upright posts, and two sides of the top of the positioning plate are provided with positioning pieces for fixing the vertical position of the lifting platform.

By adopting the technical scheme, the scaffold body of the scaffold is arranged into a structure spliced by a plurality of splicing units, and the splicing units are connected with each other and the wall body by matching the connecting sheets on the stand columns with the precast piles; the structure of the frame body is convenient to splice and is stable to connect; the structure of activity groove, movable block and elevating platform has been increased, can carry out the vertical slip of movable block and elevating platform along the activity groove, uses the structure of setting element can assist the hoist engine to carry out the rigidity when the elevating platform moves the take the altitude under the drive of hoist engine, promotes the stability of structure.

The utility model discloses further set up to: the positioning piece comprises spring grooves formed in two sides of the positioning plate and a telescopic rod movably installed in the spring grooves, a return spring is arranged in each spring groove, and two ends of each return spring are respectively connected with the bottom of each telescopic rod and the bottom of each spring groove; the side face of the splicing unit is provided with a clamping groove matched with the telescopic rod, and the reset spring acts on the telescopic rod to enable the telescopic rod to be clamped with the clamping groove.

By adopting the technical scheme, the structure of the spring groove and the telescopic rod is used as the positioning piece, and the telescopic rod can be clamped into the clamping groove under the action of the reset spring; the fixing of the relative position between the positioning plate and the movable groove is realized.

The utility model discloses further set up to: be provided with the riser on the locating plate, rotate on the riser and install the threaded rod, a shape hole has been seted up at spring groove top, and the telescopic link top is provided with the deflector, and threaded rod and riser threaded connection pass riser and deflector swing joint, and threaded mounting has set nut on the threaded rod, and set nut is located the deflector and keeps away from one side of riser.

Through adopting above-mentioned technical scheme, increased the structure of riser and threaded rod, threaded rod and stand carry out threaded connection, rotate the threaded rod and can make the threaded rod remove, install set nut on the threaded rod, rotate the threaded rod and can drive set nut and deflector and remove to the stand, the deflector drives the telescopic link and removes and break away from the draw-in groove, is convenient for continue the removal that carries out the elevating platform.

The utility model discloses further set up to: the end of the telescopic rod is provided with an inclined plane, and the inclined direction of the inclined plane inclines downwards from the center of the positioning plate to two sides.

By adopting the technical scheme, the end part of the telescopic rod is additionally provided with the inclined surface structure, so that the inclined direction of the inclined surface is limited, and the lifting platform and the positioning plate are less influenced by the telescopic rod when moving upwards; it can be smoothly moved upward.

The utility model discloses further set up to: one end of the threaded rod, which is far away from the guide plate, is connected with a hand wheel.

Through adopting above-mentioned technical scheme, increased the structure of hand wheel on the threaded rod, be convenient for carry out the rotation of threaded rod.

The utility model discloses further set up to: the inclined strut comprises an inclined supporting rod and a connecting block at the end part of the supporting rod, and the connecting block comprises a first connecting block at the top of the supporting rod and a second connecting block at the bottom of the supporting rod; the bottom of the longitudinal cross rod is provided with a sliding groove, and the first connecting block slides along the sliding groove; a first connecting screw is arranged on the first connecting block and penetrates through the first connecting block to be in threaded connection with the longitudinal cross rod; and a vertical first groove is formed in the second connecting block, a second connecting screw is mounted on the inner side upright post, and the second connecting screw penetrates through the first groove to be in threaded connection with the inner side upright post.

By adopting the technical scheme, the structure of the first connecting block and the second connecting block is used for connecting with the cross rod and the upright post, and the first connecting block and the cross rod are connected by using the first connecting screw during installation; because errors are inevitably generated during manufacturing, in order to ensure that the second connecting block can be smoothly installed, a structure of the first groove is used, and the second connecting block is conveniently connected with the upright post by adjusting the position of the second connecting block.

The utility model discloses further set up to: one side of the column close to the lifting platform is connected with a guide rail, the movable groove is arranged on the guide rail, and the slide rails of the adjacent splicing units are mutually abutted.

Through adopting above-mentioned technical scheme, the structure that increases the guide rail is used for seting up activity groove and draw-in groove, compares in directly seting up the stability influence of activity groove on the stand to the concatenation unit less.

To sum up, the utility model discloses a beneficial technological effect does:

1. the splicing of the adjacent splicing units is assisted by using the structure of the precast pile on the wall, the construction of the scaffold is realized by using a splicing mode, and the splicing of the scaffold is more convenient and stable; the structure of the lifting platform is added between the two groups of scaffolds, so that the lifting and the position adjustment are convenient;

2. a positioning piece is additionally arranged on the lifting platform and used for fixing the vertical position, and the positioning piece is clamped with a clamping groove in the movable groove by adopting a spring groove and telescopic rod structure to realize the position fixing; the structure of the vertical plate and the threaded rod is added for moving the telescopic rod, so that the telescopic rod and the clamping groove are separated;

3. the structure that has increased the bracing between horizontal pole and stand is used for strengthening the structural stability of concatenation unit, uses the structure of two connecting blocks on the bracing to be convenient for carry out the connection between bracing, horizontal pole and the stand.

Drawings

Fig. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic diagram of the structure of the middle splicing unit of the present invention;

FIG. 3 is a schematic view of the bottom structure of the middle splicing unit of the present invention;

FIG. 4 is a schematic structural view of the elevating platform of the present invention;

fig. 5 is an enlarged schematic view of a1 portion in fig. 4.

Reference numerals: 1. a splicing unit; 11. an inner upright post; 12. an outer column; 13. a transverse cross bar; 14. a longitudinal cross-bar; 15. a guide rail; 16. a movable groove; 17. a card slot; 18. a chute; 2. a wall body; 21. a winch; 3. a lifting platform; 31. a movable block; 4. bracing; 41. a support bar; 42. a first connecting block; 43. a second connecting block; 44. a hole; 5. positioning a plate; 51. a spring slot; 52. a telescopic rod; 53. a return spring; 54. a slot; 55. a guide plate; 56. a vertical plate; 57. a threaded rod; 58. positioning a nut; 59. a handwheel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the present embodiment, the longitudinal direction of the lift table 3 is defined as the X-axis direction, and the width direction is defined as the Y-axis direction.

Referring to fig. 1, for the utility model discloses an external scaffolding, include the two support bodies that form by the concatenation of a plurality of concatenation units 1, movable mounting is at elevating platform 3 between the two support bodies and installs the hoist engine 21 at the support body top, and hoist engine 21 drives elevating platform 3 through the rope and goes up and down.

Referring to fig. 1 and 2, the splicing unit 1 includes a cross bar and two columns, each column includes two inner columns 11 and two outer columns 12, and the inner columns 11 are located on one side close to the wall 2. The cross bars comprise a transverse cross bar 13 connected between the uprights on the same side and a longitudinal cross bar 14 connected between the uprights on different sides. The length directions of the transverse beam 13 and the longitudinal beam 14 are respectively arranged along the X-axis direction and the Y-axis direction. The stand tip is provided with the connection piece, and the connection piece on the adjacent concatenation unit 1 is all established on the precast pile, sets up the external screw thread on the precast pile and installs the fastening nut who supports tightly with the connection piece. The connecting pieces of the adjacent splicing units 1 are mutually abutted under the action of the fastening nuts on the connecting pieces, so that the connection between the splicing units 1 adjacent to each other in the vertical direction is realized.

Referring to fig. 2 and 3, the inclined strut 4 is connected between the longitudinal cross bar 14 and the inner vertical column 11, so that the structural stability is improved. The inclined strut 4 comprises an inclined supporting rod 41 and a connecting block at the end of the supporting rod 41, wherein the connecting block comprises a first connecting block 42 at the top of the supporting rod 41 and a second connecting block 43 at the bottom of the supporting rod. The bottom of the longitudinal cross rod 14 is provided with a sliding groove 18 along the Y-axis direction, and the first connecting block 42 slides along the sliding groove 18. The first connecting block 42 is provided with a first connecting screw, the first connecting screw penetrates through the first connecting block 42 and is in threaded connection with the longitudinal cross rod 14, the first connecting block 42 is abutted against the inner wall of the sliding groove 18, and a threaded hole in the sliding groove 18 is conveniently found to achieve threaded connection with the first connecting block 42. The second connecting block 43 is provided with a vertical first groove 54, the second inner vertical column 11 is provided with a second connecting screw, and the second connecting screw penetrates through the first groove 54 to be in threaded connection with the inner vertical column 11. Finally, the fixing of the inclined strut 4 is realized, and the structural stability of the splicing unit 1 is improved.

Referring to fig. 2, 4 and 5, a guide rail 15 is fixedly connected to one side of the column of the splicing module, which is close to each other along the X-axis direction, the guide rails 15 adjacent to each other in the vertical direction are abutted against each other, and a movable groove 16 in the vertical direction is formed in each guide rail 15. The elevating platform 3 is formed with a movable block 31 engaged with the movable groove 16 and slides in a vertical direction by the movable block 31. One side of the lifting platform 3 close to the wall body 2 is connected with a vertical positioning plate 5, the length direction of the positioning plate 5 is arranged along the X-axis direction, and positioning pieces are arranged at two ends of the top part and used for fixing the relative positions of the lifting platform 3 and the frame body. The positioning member comprises spring slots 51 formed at two ends of the positioning plate 5 and an expansion link 52 movably mounted in the spring slots 51, the expansion link 52 extends to the outside of the spring slots 51, and the length directions of the spring slots 51 and the expansion link 52 are both arranged along the X-axis direction. A return spring 53 is connected in the spring groove 51, two ends of the return spring 53 are respectively connected to the telescopic rod 52 and the inner wall of the spring groove 51 far away from the slide rail, and the telescopic rod 52 is extended out of the spring groove 51 under the action of the return spring 53. The slide rail is provided with a plurality of clamping grooves 17 matched with the telescopic rods 52, and when the telescopic rods 52 are inserted into the clamping grooves 17, the relative positions of the lifting platform 3 and the frame body are fixed. At least one clamping groove 17 is formed in the sliding rail connected with each splicing unit 1, and position fixing is facilitated.

Referring to fig. 4 and 5, two vertical plates 56 are fixed on the positioning plate 5, corresponding to the two positioning members, respectively, a hole 44 is formed at the top of the spring slot 51, a vertical guide plate 55 is connected to the top of the telescopic rod 52, a threaded rod 57 is mounted on the vertical plate 56, and the length direction of the threaded rod 57 is arranged along the X-axis direction. The threaded rod 57 is screwed to the vertical plate 56 and penetrates through the vertical plate 56, the threaded rod 57 is movably connected to the guide plate 55, a positioning nut 58 is mounted on the threaded rod 57, and the positioning nut 58 is screwed to the threaded rod 57 and abuts against the guide plate 55. The end of the threaded rod 57 is connected with a hand wheel 59, the threaded rod 57 can move on the vertical plate 56 when rotating, and the threaded rod 57 can drive the guide plate 55 to move when moving, so that the telescopic rod 52 can be conveniently drawn out of the clamping groove 17, and the lifting table 3 can be continuously moved. The telescopic rod 52 is formed with inclined slopes, and the inclined slopes are inclined downward from the center of the positioning plate 5 to both sides of the X-axis direction.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an external scaffolding, includes support body, prefabricated precast pile, the elevating platform (3) of movable mounting on the support body and sets up hoist engine (21) at the support body top of prefabricating on the outer wall, and hoist engine (21) are connected its characterized in that through rope and elevating platform (3): the frame body comprises a plurality of splicing units (1) which are spliced with one another, each splicing unit (1) comprises a cross rod and an upright post, each upright post comprises two inner upright posts (11) and two outer upright posts (12), and each cross rod comprises a transverse cross rod (13) connected between the upright posts on the same side and a longitudinal cross rod (14) connected between the upright posts on different sides; connecting pieces are arranged at the end parts of the stand columns, the connecting pieces on the adjacent splicing units (1) are sleeved on the precast pile, and the precast pile is provided with external threads and is provided with fastening nuts which are tightly propped against the connecting pieces; an inclined strut (4) is arranged between the longitudinal cross bar (14) and the inner side upright post (11); a movable groove (16) is formed in the side face of the splicing unit (1), movable blocks (31) matched with the movable groove (16) are arranged at the four corners of the lifting platform (3), and the movable blocks (31) drive the lifting platform (3) to slide along the vertical direction; positioning plates (5) are arranged on the inner sides of the lifting platforms (3), the positioning plates (5) are located between the inner side upright posts (11), and positioning pieces for fixing the vertical positions of the lifting platforms (3) are arranged on two sides of the tops of the positioning plates (5).

2. An external scaffolding according to claim 1 wherein: the positioning piece comprises spring grooves (51) formed in two sides of the positioning plate (5) and a telescopic rod (52) movably installed in the spring grooves (51), a return spring (53) is arranged in each spring groove (51), and two ends of each return spring (53) are respectively connected with the bottoms of the corresponding telescopic rod (52) and the corresponding spring groove (51); the side face of the splicing unit (1) is provided with a clamping groove (17) matched with the telescopic rod (52), and the reset spring (53) acts on the telescopic rod (52) to enable the telescopic rod (52) to be clamped with the clamping groove (17).

3. An external scaffolding according to claim 2 wherein: the vertical plate (56) is arranged on the positioning plate (5), the threaded rod (57) is installed on the vertical plate (56), the top of the spring groove (51) is provided with the first-shaped hole (44), the top of the telescopic rod (52) is provided with the guide plate (55), the threaded rod (57) is in threaded connection with the vertical plate (56) and penetrates through the vertical plate (56) to be movably connected with the guide plate (55), the threaded rod (57) is provided with the positioning nut (58) in a threaded mode, and the positioning nut (58) is located on one side, away from the vertical plate (56), of the guide plate (55).

4. An external scaffolding according to claim 2 wherein: the end part of the telescopic rod (52) is provided with an inclined plane, and the inclined direction of the inclined plane is downwards inclined from the center to two sides of the positioning plate (5).

5. An external scaffolding according to claim 3 wherein: one end of the threaded rod (57) far away from the guide plate (55) is connected with a hand wheel (59).

6. An external scaffolding according to claim 1 wherein: the inclined strut (4) comprises an inclined support rod (41) and a connecting block at the end part of the support rod (41), and the connecting block comprises a first connecting block (42) at the top part of the support rod (41) and a second connecting block (43) at the bottom part of the support rod (41); the bottom of the longitudinal cross rod (14) is provided with a sliding groove (18), and the first connecting block (42) slides along the sliding groove (18); a first connecting screw is arranged on the first connecting block (42), penetrates through the first connecting block (42) and is in threaded connection with the longitudinal cross rod (14); a vertical first groove (54) is formed in the second connecting block (43), a second connecting screw is mounted on the inner vertical column (11), and the second connecting screw penetrates through the first groove (54) to be in threaded connection with the inner vertical column (11).

7. An external scaffolding according to claim 2 wherein: one side of the upright column close to the lifting platform (3) is connected with a guide rail (15), a movable groove (16) is formed in the guide rail (15), the guide rails (15) of adjacent splicing units (1) are mutually abutted, and a clamping groove (17) is formed in the guide rail (15).