CN214384040U

CN214384040U - Liftable scaffold for building engineering

Info

Publication number: CN214384040U
Application number: CN202023276000.4U
Authority: CN
Inventors: 田锋; 陈慧芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-12
Anticipated expiration: 2030-12-29

Abstract

The application relates to a liftable scaffold for construction engineering, which comprises two support frames vertically arranged on the ground, wherein a pedal is arranged between the two support frames, a lifting piece used for driving the pedal to lift is also arranged between the two support frames, the lifting piece comprises two connecting arms which are obliquely arranged and are mutually crossed in the middle, and a connecting shaft is simultaneously penetrated through the middle parts of the two connecting arms; the upper ends of the connecting arms are sliding ends, the lower ends of the connecting arms are hinged ends, the hinged ends of the two connecting arms are respectively hinged with the two supporting frames, and the heights of the hinged ends of the two connecting arms are the same; the end that slides of linking arm slides with the support frame and is connected, and the linking arm slides and holds still the rigid coupling to be had and is used for accepting the bearing pole of footboard, still is provided with the setting element that is used for restricting two support frames and keeps away from each other between two support frames. This application has the effect that makes things convenient for the staff to adjust scaffold height.

Description

Liftable scaffold for building engineering

Technical Field

The application relates to the field of constructional engineering tools, in particular to a liftable scaffold for constructional engineering.

Background

The scaffold is a temporary building tool which is erected for workers to operate and solve vertical and horizontal transportation on a construction site. The high-rise building block is mainly used in places where external walls, interior decoration or high floor height cannot be directly constructed, and is mainly used for up-and-down dry work of constructors, maintenance of peripheral safety nets, high-altitude installation of components and the like.

The existing scaffold is fixed on the wall, when the height of the scaffold is not suitable for a working area, a worker needs to reinstall the scaffold, and the height of the scaffold is adjusted, so that inconvenience is caused to construction.

SUMMERY OF THE UTILITY MODEL

For the convenience staff adjusts the scaffold height, this application provides a scaffold for building engineering of liftable.

The application provides a liftable scaffold frame for building engineering adopts following technical scheme:

a liftable scaffold for building engineering comprises two support frames vertically arranged on the ground, a pedal is arranged between the two support frames, a lifting piece used for driving the pedal to lift is further arranged between the two support frames, the lifting piece comprises two connecting arms which are obliquely arranged and are mutually crossed in the middle, and a connecting shaft is simultaneously penetrated through the middle parts of the two connecting arms; the upper ends of the connecting arms are sliding ends, the lower ends of the connecting arms are hinged ends, the hinged ends of the two connecting arms are respectively hinged with the two supporting frames, and the heights of the hinged ends of the two connecting arms are the same; the sliding end of the connecting arm is connected with the supporting frames in a sliding manner, the sliding end of the connecting arm is fixedly connected with a supporting rod for bearing the pedal, and a positioning piece for limiting the two supporting frames to be away from each other is arranged between the two supporting frames

Through adopting above-mentioned technical scheme, when two support frames are close to each other, the linking arm hinged end rotates to the end of sliding of linking arm upwards slides along the direction of height, thereby makes the bearing pole that sets up the end of sliding at the linking arm rise, and then places the footboard on the bearing pole and rise, thereby has realized making things convenient for the regulation of scaffold height, has made things convenient for the staff according to actual place demand, adjusts the scaffold height, and then has improved the convenience that the staff was under construction.

Optionally, the lifting members are two, the two lifting members are respectively located on two sides of the support frame, and two ends of the bearing rod are respectively fixedly connected with two sliding ends of the connecting arms on two sides of the support frame.

Through adopting above-mentioned technical scheme, the setting of two sets of lifters for the both ends of bearing rod all can be supported by the crane, thereby improved the bearing rod and placed the stability at the support pole top footboard.

Optionally, the setting element includes the mounting panel of rigid coupling in the footboard towards the holding rod one side, and a plurality of screens grooves that hold the holding rod card and go into are seted up to one side that the mounting panel deviates from the footboard, and a plurality of screens grooves set up along the length direction of footboard.

Through adopting above-mentioned technical scheme, but behind the altitude mixture control of bearing rod, the staff can control the bearing rod card and go into the screens inslot of mounting panel to through the mutual screens of screens groove and bearing rod, fix a position the distance between two support frames, and then highly fixed to the footboard, made things convenient for the staff to use the scaffold frame.

Optionally, the top of support frame is provided with the push down subassembly, the push down subassembly is including rotating the installation piece of connection on the stand top, and screw-thread fit has a screw rod on the installation piece, and the tip top of screw rod touches the surface at the footboard.

Through adopting above-mentioned technical scheme, the staff rotates the installation piece to the footboard top, then revolves the screw rod to make the screw rod compress tightly the footboard in the top of bearing rod. The setting of pushing down the subassembly makes the knot that the bearing rod can be stable establish in the screens inslot to the stability of the mutual screens of screens groove and bearing rod has been improved.

Optionally, the top end of the screw rod is fixedly connected with a screwing block, a driving sleeve for driving the screwing block to rotate is sleeved on the knob block, and a hand wheel is coaxially and fixedly connected to the driving sleeve.

Through adopting above-mentioned technical scheme, the staff can establish the hand wheel at the screw rod top cover to make the drive sleeve pipe cover establish on revolving soon the piece, thereby the staff can pass through hand wheel control screw rod and rotate, improved the convenience of operation.

Optionally, the screwing block is a straight prism with a regular polygon cross section, and the center line of the screwing block and the screw rod are coaxially arranged.

Optionally, the lower end of the support frame is provided with universal wheels.

Through adopting above-mentioned technical scheme, the staff's transport scaffold frame has been made things convenient for in the setting of universal wheel.

Optionally, the support frame is further provided with a positioning assembly, the positioning assembly comprises a fixed beam horizontally arranged on the support frame, a placing plate is arranged below the fixed beam, a sliding rod is fixedly connected to one side of the placing plate, which faces the fixed beam, and is arranged on the fixed beam in a penetrating manner and connected with the fixed beam in a sliding manner, the fixed beam is further provided with a top contact lead screw in a threaded fit manner, the top contact lead screw is parallel to the sliding rod, and the end of the top contact lead screw is rotatably connected with the placing plate.

Through adopting above-mentioned technical scheme, the staff can twist the stopper through the spanner soon to the control top touches the lead screw and rotates. Along with the rotation of top contact lead screw, place the board and slide downwards along the length direction of the pole that slides to paste each other with ground and lean on, and the universal wheel is pushed up from ground by the positioning component, places pasting of board and ground and leans on, has increased the area of contact of support frame with ground, has improved the stability that the scaffold placed. The stopper is mutually supported with the upper surface of fixed beam this moment, has restricted to place the board and has kept away from sliding of fixed beam direction. The convenience of adjusting the height levels of the two support frames by the workers is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the lifting piece is arranged, so that a worker can adjust the height of the pedal by adjusting the distance between the two support frames, and the multi-section height of the scaffold is adjusted;

2. the setting of pushing down the subassembly for the bearing pole can be more stable inlay establish at the screens inslot, improved two support frame interval fixed stability of setting element.

Drawings

Fig. 1 is a schematic overall structure diagram of a liftable scaffold for construction engineering in an embodiment of the present application;

FIG. 2 is a schematic illustration of the lowered scaffold steps;

FIG. 3 is an enlarged view of detail A of FIG. 2;

fig. 4 is a schematic view of the connection relationship between the screw and the hand wheel.

Description of reference numerals: 1. a support frame; 11. a column; 111. a slideway; 12. a connecting beam; 13. a universal wheel; 2. a positioning assembly; 21. a fixed beam; 22. placing the plate; 23. a slide bar; 24. the lead screw is contacted; 25. a limiting block; 3. a pedal; 4. a lifting member; 41. a connecting arm; 42. a connecting shaft; 43. hinging a shaft; 44. a support rod; 5. mounting a plate; 51. a clamping groove; 6. pressing the assembly; 61. mounting blocks; 62. a screw; 63. screwing blocks; 64. a hand wheel; 65. the sleeve is driven.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses scaffold for building engineering of liftable. Referring to fig. 1, a liftable scaffold for construction engineering includes two support frames 1 erected on the ground, and a pedal 3 for a worker to tread is provided between the two support frames 1. A lifting piece 4 for driving the pedal 3 to lift along the height direction is also arranged between the two support frames 1.

As shown in fig. 1 and 2, the support frame 1 includes two vertical columns 11 vertically erected on the ground and a connection beam 12 disposed between the two vertical columns 11. The length direction of the connecting beam 12 is perpendicular to the length direction of the upright posts 11, and two ends of the connecting beam 12 are fixedly connected with the two upright posts 11 respectively, so that the support frame 1 is integrally H-shaped.

As shown in fig. 2, a universal wheel 13 with a foot brake is further installed below each upright post 11, and the arrangement of the universal wheel 13 facilitates the workers to move the scaffold, so that the use convenience of the scaffold is improved. Can step on the service brake of universal wheel 13 when the staff adds the scaffold frame in the use to it is fixed with universal wheel 13, improved the stability that the scaffold frame was placed on ground.

As shown in fig. 2 and 3, in order to further improve the stability of the support 1 placed on the ground. The support frame 1 is also provided with a positioning component 2. The positioning assembly 2 comprises a fixed beam 21 arranged parallel to the connecting beam 12. The fixed beam 21 is located below the connecting beam 12, and two ends of the fixed beam 21 are respectively fixedly connected with the two upright posts 11. One side that fixed beam 21 deviates from tie-beam 12 is provided with one and places board 22, places board 22 towards the perpendicular rigid coupling in one side of tie-beam 12 and has a pole 23 that slides, slides pole 23 and wear to establish in the fixed beam 21 and with fixed beam 21 the connection that slides. Place board 22 and still be provided with the top towards one side of fixed beam 21 and touch lead screw 24, the top touch lead screw wear to establish on fixed beam 21 and with fixed beam 21 screw-thread fit, the top touch lead screw 24 towards place the one end of board 22 with place board 22 and rotate and be connected, the top touch lead screw 24 keep away from the coaxial rigid coupling of one end of placing board 22 and have a stopper 25, stopper 25 is regular hexagon's straight prism for the cross-section, the staff can twist stopper 25 through the spanner to the control top touches lead screw 24 and rotates. Along with the rotation of top contact lead screw 24, place board 22 and slide downwards along the length direction of pole 23 that slides to paste each other with ground and lean on, and universal wheel 13 is pushed up from ground by locating subassembly 2, places board 22 and paste with pasting on ground, has increased the area of contact of support frame 1 with ground, has improved the stability that the scaffold placed. Stopper 25 and fixed beam 21's upper surface butt each other this moment to the jacking height of placing board 22 has carried on spacingly, has improved the convenience that the staff adjusted two support frame 1 height and made the footboard be in the horizontality.

The two slide levers 23 are provided, and the two slide levers 23 are provided near both ends of the placement plate 22 in the longitudinal direction, respectively. The top is touched lead screw 24 and is provided with two, and two tops are touched lead screw 24 evenly distributed and are placing board 22 length direction, and the staff need twist soon simultaneously when placing board 22 position in the regulation and touch lead screw 24, and then has reduced because the maloperation influences the condition of locating component 2 to support frame 1 fixed stability.

The lifting pieces 4 are arranged in two numbers, and the two lifting pieces 4 are arranged on two sides of the support frame 1 in parallel.

As shown in fig. 1 and 2, the lifting member 4 includes two connecting arms 41 which are obliquely arranged and cross each other in an X shape, and both ends of the connecting arms 41 are respectively arranged toward the two support frames 1. The connecting arms 41 are overlapped at the middle parts and simultaneously provided with a connecting shaft 42 in a penetrating way, the axial direction of the connecting shaft 42 is parallel to the length direction of the connecting beam 12, and the connecting shafts 42 in the two lifting pieces 4 are coaxially arranged. The lower end of the connecting arm 41 is a hinged end and the upper end is a sliding end. The hinged end of the connecting arm 41 is fixedly connected with a hinged shaft 43, the hinged shaft 43 is arranged parallel to the connecting shaft 42, and the hinged shaft 43 penetrates into the upright post 11 and is rotatably connected with the upright post 11.

Two upright posts 11 at two sides of the support frame 1 are provided with a slide rail 111 along the length direction of the slide rail 111, and the length direction of the slide rail 111 is arranged vertically. Two slideways 111 of the support frame 1 are connected with a supporting rod 44 in a sliding manner, and two ends of the supporting rod 44 are fixedly connected with two sliding ends of the connecting arms 41 correspondingly positioned on two sides of the support frame 1. The footplate 3 is simultaneously placed on the support bars 44 of the two support frames 1. When the two support frames 1 approach each other, the connecting arm 41 rotates about the hinge shaft 43, and the support rod 44 rises in the height direction in the slide rail 111, thereby lifting up the step panel 3, and thus adjusting the height of the step panel 3.

A positioning piece used for limiting the two support frames 1 to be away from each other is further arranged between the two support frames 1. The setting element includes that the rigid coupling has seted up a plurality of screens grooves 51 at the footboard 3 towards the mounting panel 5 of bearing rod 44 one side, and a plurality of screens grooves 51 have evenly been divided into two sets ofly along 5 length direction of mounting panel to the one side of mounting panel 5 towards bearing rod 44, and two sets of screens grooves 51 are close to the both ends setting of mounting panel 5 respectively, and every group screens groove 51 is mutually supported with the bearing rod 44 that corresponds the side. The support rod 44 is embedded in the blocking groove 51 and is blocked with the side wall of the blocking groove 51, thereby limiting the separation of the two support frames 1. Due to the different distances between the different blocking grooves 51, when the supporting rod 44 is blocked in the different blocking grooves 51, the height of the pedal 3 is changed, and thus the multi-stage adjustment of the height of the pedal 3 is realized. The convenience of staff's use scaffold frame has been improved.

In other embodiments of the present application, the positioning element may also be a rope, a chain, etc., and taking the rope as an example, the two ends of the rope are respectively tied on the two support frames 1, so that the rope limits the two support frames 1 to be away from each other, and the effect of fixing the pedal 3 at different heights is also achieved.

The top of the upright post 11 is further provided with a pressing component 6 for stably buckling the clamping groove 51 on the mounting plate 5 on the supporting rod 44, the pressing component 6 comprises a mounting block 61 rotatably connected to the top of the upright post 11, and the mounting block 61 is vertically arranged along the rotation axis of the upright post 11. Screw-thread fit has a screw rod 62 on the installation piece 61, and the lower extreme top of screw rod 62 touches on footboard 3, through the screw-thread fit of screw rod 62 with installation piece 61 for the more stable spacing inslot of establishing in footboard 3 below of inlaying of bearing rod 44 has improved the stability of screens groove 51 with the clamping of bearing rod 44, and then has improved the stability of fixing between footboard 3 and the bearing board.

As shown in fig. 2 and 4, a screwing block 63 is fixedly connected to the top end of the screw 62, the screwing block 63 is a straight prism with a regular polygon cross section, in this embodiment, the screwing block 63 is a regular hexagon, a hand wheel 64 is arranged above the screwing block 63, a driving sleeve 65 is coaxially and fixedly connected to one side of the screw 62 facing the hand wheel 64, the driving sleeve 65 is sleeved on the screwing block 63, and the cross section of the inner side of the driving sleeve 65 is the same as that of the screwing block 63, so that the driving sleeve 65 can drive the screwing block 63 to further drive the screw 62 to rotate, and convenience in screwing the screw 62 is improved. The screw rods 62 are provided with a plurality of sets of length specifications according to the length, so that when the pedals 3 are positioned at different heights, workers can choose to position the pedals 3 by using the screw rods 62 with different length specifications.

The implementation principle of the scaffold for the building engineering of an embodiment of this application liftable is: when the staff need adjust the height of footboard 3 in the scaffold frame, the staff can be close to two support frames 1 each other, and the top of two linking arms 41 slides upwards respectively in the slide 111 of two support frames 1 this moment to with the jacking of footboard 3, the staff puts footboard 3 again this moment, makes in the clamping groove 51 that corresponds is gone into to the bearing rod 44 card. The operator then screws the hand wheel 64 so that the screw 62 abuts the surface of the pedal 3 and fixes the pedal 3. The worker may also screw the stopper 25 so that the placement plate 22 abuts on the ground and receives the entire scaffold.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a liftable scaffold frame for building engineering which characterized in that: the lifting device comprises two support frames (1) vertically arranged on the ground, a pedal (3) is arranged between the two support frames (1), a lifting piece (4) used for driving the pedal (3) to lift is further arranged between the two support frames (1), the lifting piece (4) comprises two connecting arms (41) which are obliquely arranged and are mutually crossed in the middle, and a connecting shaft (42) penetrates through the middle parts of the two connecting arms (41); the upper ends of the connecting arms (41) are sliding ends, the lower ends of the connecting arms are hinged ends, the hinged ends of the two connecting arms (41) are respectively hinged with the two support frames (1), and the heights of the hinged ends of the two connecting arms (41) are the same; the sliding end of the connecting arm (41) is connected with the supporting frames (1) in a sliding mode, the sliding end of the connecting arm (41) is further fixedly connected with a bearing rod (44) used for bearing the pedal (3), and a positioning piece used for limiting the two supporting frames (1) to be away from each other is further arranged between the two supporting frames (1).

2. The liftable scaffold for building engineering of claim 1, characterized in that: the two lifting pieces (4) are respectively positioned at two sides of the support frame (1), and two ends of the bearing rod (44) are fixedly connected with the sliding ends of the two connecting arms (41) at two sides of the support frame (1).

3. The liftable scaffold for building engineering of claim 1, characterized in that: the setting element includes mounting panel (5) of rigid coupling in footboard (3) towards bearing rod (44) one side, and a plurality of screens grooves (51) that hold bearing rod (44) card and go into are seted up to one side that mounting panel (5) deviate from footboard (3), and the length direction setting of footboard (3) is followed in a plurality of screens grooves (51).

4. The liftable scaffold for building engineering of claim 1, characterized in that: the top of support frame (1) is provided with pushes down subassembly (6), push down subassembly (6) including rotate the installation piece (61) of connection on stand (11) top, screw-thread fit has a screw rod (62) on installation piece (61), the tip top of screw rod (62) touches the surface at footboard (3).

5. The liftable scaffold for building engineering of claim 4, characterized in that: the top rigid coupling of screw rod (62) has one to revolve wrong piece (63), and the cover is equipped with on the knob piece and is used for driving to revolve wrong piece (63) pivoted drive sleeve pipe (65), and coaxial rigid coupling has a hand wheel (64) on drive sleeve pipe (65).

6. The liftable scaffold for building engineering of claim 5, characterized in that: the cross section of the screwing block (63) is a right prism of a regular polygon, and the center line of the screwing block (63) is coaxial with the screw rod (62).

7. The liftable scaffold for building engineering of claim 1, characterized in that: the lower end of the support frame (1) is provided with a universal wheel (13).

8. The liftable scaffold for building engineering of claim 7, characterized in that: still be provided with locating component (2) on support frame (1), locating component (2) are including fixed beam (21) of level setting on support frame (1), fixed beam (21) below is provided with one and places board (22), place board (22) and have slide bar (23) towards one side rigid coupling of fixed beam (21), slide bar (23) wear to establish on fixed beam (21) and slide with fixed beam (21) and be connected, it has one and is used for the drive to place board (22) and touches lead screw (24) along the top that slide bar (23) direction slided still screw-thread fit on fixed beam (21), the top touches lead screw (24) and is on a parallel with slide bar (23) setting, the tip that the top touched the lead screw with place board (22) and rotate and be connected.