CN113431311A

CN113431311A - Scaffold with adjustable height

Info

Publication number: CN113431311A
Application number: CN202110575115.3A
Authority: CN
Inventors: 不公告发明人
Original assignee: Yunnan Liuzhou Construction Service Co ltd
Current assignee: Yunnan Liuzhou Construction Service Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-09-24

Abstract

The invention discloses a scaffold capable of adjusting height, which comprises mounting pipes, wherein the mounting pipes are provided with four groups, lifting rods are arranged inside the mounting pipes, cross rods are arranged at the tops of two groups of lifting rods at the same end together, pin holes are uniformly formed in the outer sides of the lifting rods, construction frame assemblies are arranged at the tops of two groups of cross rods together, and two groups of second bearings are symmetrically arranged at the bottoms of the outer sides of the four groups of mounting pipes. According to the invention, through the matched use of the lifting adjusting assembly, the lifting rod, the connecting plate, the pin holes and the second steel pipe buckle, an operator stands at the top of the connecting plate, the construction frame assembly is supported upwards by two hands, the second operator manually pulls the hand-pulled pipe off, and after the construction frame assembly is lifted or descended by the operator manually, the operator can quickly clamp the pins into the corresponding pin holes only by pushing the hand-pulled pipe to the outer side of the scaffold by feet, so that the height of the scaffold can be quickly adjusted and fixed.

Description

Scaffold with adjustable height

Technical Field

The invention relates to the technical field of scaffolds, in particular to a scaffold with adjustable height.

Background

The assembled scaffold is various supports erected for workers to operate and solve vertical and horizontal transportation on a construction site, is mainly used for up-and-down operation of constructors or maintenance of peripheral safety nets, overhead installation of components and the like for the outer wall, interior decoration or places with higher floor height where direct construction cannot be achieved on the construction site, is usually made of bamboo, wood or steel pipes and is widely applied to the conventional steel pipe type assembled supports.

The existing scaffold for construction usually needs other personnel to support the scaffold in the using process, and the scaffold is very unstable when the user stands on the scaffold, so that the stability of the whole scaffold in the using process cannot be further improved; when the existing scaffold needs to be lifted, the scaffold which is lifted and lowered can be fixed by cooperation of multiple persons, so that the scaffold is very inconvenient and the height of the whole scaffold cannot be adjusted and fixed quickly; meanwhile, the existing scaffold is often gradually connected through a plurality of steel pipes, so that the scaffold is convenient to transport, the whole scaffold is also very time-consuming and labor-consuming to install, and the use convenience of the scaffold is greatly reduced.

Disclosure of Invention

The invention aims to provide a scaffold with adjustable height, and aims to solve the problems that the stability of the scaffold in the using process cannot be further ensured, the height of the scaffold cannot be quickly and conveniently adjusted, and the scaffold can be conveniently and quickly installed while being convenient to transport.

The invention is particularly such that: a scaffold capable of adjusting height comprises an installation pipe, wherein the installation pipe is provided with four groups, lifting rods are arranged inside the installation pipe, cross rods are arranged at the tops of two groups of lifting rods at the same end together, pin holes are uniformly formed in the outer sides of the lifting rods, a construction frame assembly is arranged at the tops of two groups of cross rods together, two groups of second bearings are symmetrically arranged at the bottoms of the outer sides of the four groups of installation pipes, two groups of support frames are arranged at the outer sides of two adjacent groups of second bearings together, locking assemblies matched with the support frames are arranged at the middle positions of the outer sides of two groups of installation pipes at the same end together, lifting adjusting assemblies matched with the pin holes are arranged at the tops of the outer sides of two groups of installation pipes at the same end together, connecting plates are arranged at the middle positions of the outer sides of the four groups of installation pipes together, and second steel pipe buckles matched with the installation pipes are arranged at two sides of both ends of the connecting plates, the connecting plate passes through second steel pipe buckle and four groups of installation pipe fixed connection.

Preferably, the lifting adjusting component comprises a limiting hole, connecting pipes, a movable rod, a bolt, a first bearing, a reset spring, an L-shaped insert rod and a hand-pulling pipe, the connecting pipes are installed at the tops of the outer sides of the two groups of the installation pipes at the same end together, the middle position of the outer side of the connecting pipe is symmetrically provided with first bearings, the outer sides of the two groups of first bearings are provided with a hand-pulling pipe, l-shaped inserting rods are symmetrically arranged at two ends in the hand-pulling pipe, two groups of reset springs are symmetrically arranged at the middle position in the connecting pipe, and the ends of the two groups of reset springs which are far away from each other are symmetrically provided with movable rods, two ends of the outer side of the connecting pipe are symmetrically provided with limiting holes, the bottom of L type inserted bar passes spacing hole and the one end fixed connection in the movable rod outside, the movable rod is kept away from reset spring's one end and is installed the bolt of mutually supporting with the pinhole.

Preferably, the locking assembly comprises a limiting rod, fixing rings, a mounting plate, a U-shaped rod, fixing holes, limiting springs and an auxiliary plate, the mounting plate is mounted at the middle position of the outer side of the mounting pipe, the U-shaped rod is arranged at the top of the mounting plate, the limiting rod is mounted at the middle position of the bottom of the U-shaped rod, the bottom end of the limiting rod penetrates through the mounting plate and is provided with the auxiliary plate, the limiting springs are sleeved at the bottom of the outer side of the limiting rod, the top ends and the bottom ends of the limiting springs are fixedly connected with the mounting plate and the fixing holes respectively, the fixing rings are mounted at the top of the outer side of the second bearing, and the non-circle center positions at the top of the fixing rings are uniformly provided with four groups of fixing.

Preferably, the scaffold subassembly includes first steel pipe buckle, guardrail and platform board, and is two sets of the bilateral symmetry of horizontal pole is provided with first steel pipe buckle, and the outside of the first steel pipe buckle of four groups installs the platform board jointly, the bilateral symmetry at platform board top articulates there is the guardrail, fixed stop is installed to the both ends symmetry of platform board top both sides, and the outside of fixed stop all the screw thread be provided with fixing bolt, the screw of mutually supporting with fixing bolt is seted up to the both ends symmetry of guardrail outside bottom.

Preferably, the crawling ladder is installed to the one end in two sets of horizontal pole outsides, and eight sets of the inboard of support frame all installs two sets of strengthening rods.

Preferably, the bottom ends of the four groups of mounting pipes are provided with first universal wheels, the bottom ends of the eight groups of supporting frames are provided with second universal wheels, and the second universal wheels and the first universal wheels are provided with braking devices.

Preferably, the two sides of the platform plate and the two sides of the connecting plate are uniformly and symmetrically provided with limiting bulges, and the same sides of the platform plate and the connecting plate are symmetrically provided with connecting rods matched with the limiting bulges.

Preferably, through holes are uniformly formed in the tops of the platform plate and the connecting plate, and anti-slip grains are arranged on the tops of the platform plate and the connecting plate.

Preferably, the four groups of limiting rings are arranged at the tops of the outer sides of the mounting pipes, and annular rubber pads are arranged at the tops of the limiting rings.

Preferably, limit stops matched with the support frame are symmetrically installed on two sides of the bottom of the installation plate, and grooves matched with the limit stops are symmetrically formed in the tops of two sides of the support frame.

The invention has the beneficial effects that:

1. according to the invention, through the matching use of the second bearing, the locking component, the support frame and the mounting pipe, when the scaffold is used, the support frames at the outer sides of the four groups of mounting pipes can be completely rotated out to form the form of eight groups of support legs, so that the stability of the scaffold in the using process can be greatly improved, the possibility of the scaffold falling is greatly reduced, and when the scaffold is not used, the eight groups of support frames can be retracted between the two groups of mounting pipes at the same end, so that the occupied space is reduced, the scaffold is very convenient, and the scaffold is favorable for popularization and use.

2. According to the invention, through the matched use of the lifting adjusting component, the lifting rod, the connecting plate, the mounting pipe, the pin hole and the second steel pipe buckle, when the height of the scaffold is required to be adjusted, an operator stands at the top of the connecting plate, the construction frame component is supported upwards by two hands, the operator can use the feet to pull the hand-pulling pipe towards the inner side of the scaffold, or a second operator can manually pull the hand-pulling pipe to enable the bolt to leave the inner part of the pin hole, and after the construction frame component is lifted or descended by the operator manually, the operator only needs to use the feet to push the hand-pulling pipe towards the outer side of the scaffold, so that the bolt can be quickly clamped into the corresponding pin hole, and the height of the scaffold is quickly adjusted and fixed.

3. According to the invention, through the matched use of the construction frame assembly, the cross rods, the connecting plates and the mounting pipes, when the scaffold is assembled, four groups of mounting pipes are erected, then the connecting plates are lifted between the four groups of mounting pipes, the connecting plates are fixedly connected with the four groups of mounting pipes through four groups of second steel pipe buckles, then eight groups of supporting frames are all rotated and unfolded, so that the stability of the whole scaffold is ensured, then an installer stands at the top of the connecting plates, the construction frame assembly is mounted on the two groups of cross rods, excessive mounting and fixing are not needed, and the scaffold can be conveniently transported after being disassembled.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

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

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a top cross-sectional view of the present invention;

FIG. 5 is a top view of the station deck of the present invention;

FIG. 6 is a top view of the web of the present invention;

FIG. 7 is a schematic view of the present invention with the lifter retracted into the mounting tube;

FIG. 8 is a perspective view of the mounting tube of the present invention;

FIG. 9 is an enlarged view taken at A of FIG. 2 according to the present invention.

In the figure: 1. a construction frame assembly; 101. a first steel pipe buckle; 102. a guardrail; 103. a station board; 2. a cross bar; 3. a lift adjustment assembly; 301. a limiting hole; 302. a connecting pipe; 303. a movable rod; 304. a bolt; 305. a first bearing; 306. a return spring; 307. an L-shaped inserted link; 308. pulling the tube by hand; 4. climbing a ladder; 5. a lifting rod; 6. a connecting plate; 7. a second bearing; 8. a latch assembly; 801. a limiting rod; 802. a fixing ring; 803. mounting a plate; 804. a U-shaped rod; 805. a fixing hole; 806. a limiting spring; 807. an auxiliary plate; 9. a support frame; 10. installing a pipe; 11. a pin hole; 12. a second steel pipe buckle; 13. a limiting bulge; 14. a connecting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1-9, the present invention provides a technical solution: a scaffold capable of adjusting height comprises mounting pipes 10, wherein the mounting pipes 10 are provided with four groups, lifting rods 5 are arranged inside the mounting pipes 10, cross rods 2 are jointly mounted at the tops of two groups of lifting rods 5 at the same end, pin holes 11 are uniformly formed in the outer sides of the lifting rods 5, a construction frame assembly 1 is jointly arranged at the tops of the two groups of cross rods 2, two groups of second bearings 7 are symmetrically arranged at the bottom of the outer sides of the four groups of mounting pipes 10, two groups of supporting frames 9 are jointly mounted at the outer sides of the two adjacent groups of second bearings 7, locking assemblies 8 mutually matched with the supporting frames 9 are jointly arranged at the middle positions of the outer sides of the two groups of mounting pipes 10 at the same end, lifting adjusting assemblies 3 mutually matched with the pin holes 11 are jointly arranged at the tops of the outer sides of the two groups of mounting pipes 10 at the same end, connecting plates 6 are jointly arranged at the middle positions of the outer sides of the four groups of mounting pipes 10, and second steel pipe buckles 12 mutually matched with the mounting pipes 10 are respectively arranged at the two sides of the connecting plates 6, the connecting plate 6 is fixedly connected with the four groups of mounting pipes 10 through second steel pipe buckles 12.

As a preferable embodiment of the present embodiment: the lifting adjusting component 3 comprises a limiting hole 301, a connecting pipe 302, a movable rod 303, a bolt 304, a first bearing 305, a reset spring 306, an L-shaped insert rod 307 and a hand-pulling pipe 308, wherein the connecting pipe 302 is installed at the top of the outer sides of two groups of installation pipes 10 at the same end together, the first bearing 305 is symmetrically installed at the middle position of the outer side of the connecting pipe 302, the hand-pulling pipe 308 is installed at the outer sides of the two groups of first bearings 305 together, the L-shaped insert rods 307 are symmetrically arranged at the two ends inside the hand-pulling pipe 308, the two groups of reset springs 306 are symmetrically installed at the middle position inside the connecting pipe 302, the movable rod 303 is symmetrically installed at the end, away from each other, of the two groups of reset springs 306, the limiting hole 301 is symmetrically arranged at the two ends outside the connecting pipe 302, the bottom end of the L-shaped insert rod 307 penetrates through the limiting hole 301 to be fixedly connected with the end, outside of the movable rod 303, the bolt 304, far away from the reset spring 306, is installed at the end of the movable rod 303, and matched with the pin hole 11, after the manual construction frame assembly 1 that will construct of operating personnel promoted or descend the height, operating personnel only need promote the handhold pipe 308 outside the scaffold with the foot, alright with inside the pinhole 11 that corresponds is gone into to the quick card of bolt 304 to realize the height of quick adjustment and fixed scaffold.

As a preferable embodiment of the present embodiment: the locking and buckling assembly 8 comprises a limiting rod 801, a fixing ring 802, a mounting plate 803, a U-shaped rod 804, a fixing hole 805, a limiting spring 806 and an auxiliary plate 807, wherein the mounting plate 803 is mounted at the middle position of the outer sides of the two groups of mounting tubes 10 at the same end together, the top of the mounting plate 803 is provided with a U-shaped rod 804, the middle position of the bottom of the U-shaped rod 804 is provided with a limiting rod 801, the bottom end of the limiting rod 801 passes through the mounting plate 803 and is provided with an auxiliary plate 807, the bottom of the outer side of the limiting rod 801 is sleeved with a limiting spring 806, the top end and the bottom end of a limiting spring 806 are respectively fixedly connected with a mounting plate 803 and a fixing hole 805, the top parts of the outer sides of the four groups of second bearings 7 are provided with fixing rings 802, the non-circle center positions of the top parts of the fixing rings 802 are uniformly provided with four groups of fixing holes 805 mutually matched with the U-shaped rod 804, can fix eight groups of support frame 9's position, the stability of whole scaffold can greatly be improved to cooperation support frame 9.

As a preferable embodiment of the present embodiment: scaffold subassembly 1 includes first steel pipe buckle 101, guardrail 102 and platform board 103, the bilateral symmetry of two sets of horizontal poles 2 is provided with first steel pipe buckle 101, and the outside of four sets of first steel pipe buckles 101 is installed station board 103 jointly, the bilateral symmetry at platform board 103 top articulates there is guardrail 102, fixed stop is installed to the both ends symmetry of platform board 103 top both sides, and the outside of fixed stop is all threaded and is provided with fixing bolt, the screw that mutually supports with fixing bolt is seted up to the both ends symmetry of guardrail 102 outside bottom, when dismantling this scaffold, can stand platform board 103 and pull down from two sets of horizontal poles 2, and rotate two sets of guardrail 102 and stack the top at station board 103, be convenient for subsequent transportation.

As a preferable embodiment of the present embodiment: the cat ladder 4 is all installed to the one end in two sets of horizontal pole 2 outsides, and two sets of anchor strut are all installed to eight sets of support frames 9's inboard, and the user of service can climb to the station platen 103 through the anchor strut and the cat ladder 4 of support frame 9 inboard.

As a preferable embodiment of the present embodiment: first universal wheels are installed at the bottom ends of the four groups of installation pipes 10, second universal wheels are installed at the bottom ends of the eight groups of support frames 9, and braking devices are installed on the second universal wheels and the first universal wheels, so that the whole scaffold can be conveniently moved.

As a preferable embodiment of the present embodiment: both sides of the platform plate 103 and both sides of the connecting plate 6 are uniformly and symmetrically provided with the limiting bulges 13, and the same sides of the platform plate 103 and the connecting plate 6 are symmetrically provided with the connecting rods 14 matched with the limiting bulges 13 together, so that the stability of the whole scaffold is further improved.

As a preferable embodiment of the present embodiment: through holes are uniformly formed in the tops of the platform plate 103 and the connecting plate 6, and anti-slip lines are arranged on the tops of the platform plate 103 and the connecting plate 6, so that the weight of the platform plate 103 and the connecting plate 6 is reduced, and steel used for machining is saved.

As a preferable embodiment of the present embodiment: the limiting rings are mounted at the tops of the outer sides of the four groups of mounting pipes 10, and annular rubber pads are arranged at the tops of the limiting rings, so that abrasion between the second steel pipe buckles 12 and the mounting pipes 10 is reduced.

As a preferable embodiment of the present embodiment: the both sides symmetry of mounting panel 803 bottom is installed and is mutually supported limit stop with support frame 9, and the top symmetry of support frame 9 both sides is provided with the recess of mutually supporting with limit stop, helps the biggest turned angle of two sets of support frames 9 in the same a set of installation pipe 10 outside of restriction to be 180 to be convenient for the bottom at U type pole 804 both ends better inject in the corresponding fixed orifices 805.

Example 1, as shown in fig. 1 to 9, when installing the scaffold, an installer first sets up four sets of installation pipes 10, puts the installation pipes 10 and universal wheels at the bottom of the support frame 9 on the ground, then lifts the connection plate 6 between the four sets of installation pipes 10, fixedly connects the connection plate 6 with the four sets of installation pipes 10 through four sets of second steel pipe buckles 12, then manually supports the auxiliary plate 807 upward, leaves the two ends of the bottom of the bolt 304 out of the corresponding fixing holes 805, releases the position fixing of the support frame 9, rotates the support frame 9 to the outside of the scaffold as shown in the specification and fig. 4, then releases the auxiliary plate 807, allows the bottoms of the two ends of the U-shaped rod 804 to be clamped in the corresponding fixing holes 805, thereby limiting the support frame 9, so that the second bearing 7 and the support frame 9 cannot rotate any more, then stands on the top of the connection plate 6, and fixedly installs the station plate 103 on the top of the cross bar 2 through the four sets of first steel pipe buckles 101, then, according to the distance between the connecting plate 6 and the platform plate 103, the corresponding limiting protrusions 13 are selected, the connecting plate 6 and the platform plate 103 are connected through the connecting rods 14, the stability of the whole scaffold is improved, then an installer climbs to the top of the platform plate 103 through the supporting frame 9 and the crawling ladder 4 and rotates and stands two groups of guardrails 102, and then the guardrails 102 are fixed.

Example 2, as shown in fig. 1 to 9, when the height of the entire scaffold needs to be adjusted, first, four sets of connecting rods 14 are taken down from corresponding limiting protrusions 13, then an operator holds the platform plate 103 with both hands, and rotates two sets of hand-pulling tubes 308 towards the inner side of the scaffold, forcing the movable rods 303 to gradually move towards the middle position of the connecting tubes 302, after the pins 304 leave the pin holes 11, the limiting holes 301 limit the L-shaped inserting rods 307, and at the same time, the L-shaped inserting rods 307 also extend into the hand-pulling tubes 308, the return springs 306 shorten and store elastic potential energy, then the installer can lift the construction frame assembly 1 upwards, and the four sets of lifting rods 5 also extend from the interior of the construction tubes 10, after the scaffold assembly 1 reaches a specified height, the installer only needs to rotate the two sets of hand-pulling tubes 308 towards the outer side of the scaffold, due to the action of the return springs 306, the pins 304 are quickly inserted into the corresponding pin holes 11 to fix the four sets of lifting rods 5, and thus the height of the construction frame assembly 1.

The working principle is as follows: when the scaffold is installed, an installer firstly stands up four groups of installation pipes 10, places universal wheels at the bottoms of the installation pipes 10 and the support frames 9 on the ground, then lifts the connecting plate 6 between the four groups of installation pipes 10, fixedly connects the connecting plate 6 with the four groups of installation pipes 10 through four groups of second steel pipe buckles 12, then manually supports the auxiliary plate 807 upwards, leaves the two ends of the bottom of the bolt 304 out of the corresponding fixing holes 805, releases the position fixation of the support frames 9, rotates eight groups of support frames 9 to the outer side of the scaffold as shown in the specification and attached figure 4, then releases the auxiliary plate 807, allows the bottoms at the two ends of the U-shaped rod 804 to be clamped into the corresponding fixing holes 805 again, limits the support frames 9, prevents the second bearings 7 and the support frames 9 from rotating any more, improves the stability of the whole scaffold, then stands on the top of the connecting plate 6, and fixedly installs the platform plate 103 on the top of the cross bar 2 through the four groups of first steel pipe buckles 101, if the height of the scaffold needs to be adjusted, an operator holds the platform plate 103 with both hands, and pulls the two sets of hand-pulling tubes 308 towards the inner side of the scaffold, in the process, the movable rod 303 is forced to gradually move towards the middle position of the connecting tube 302 due to the action of the limiting hole 301 and the L-shaped inserting rod 307, after the bolt 304 leaves the inner part of the pin hole 11, the L-shaped inserting rod 307 is limited by the limiting hole 301, meanwhile, the L-shaped inserting rod 307 also extends into the inner part of the hand-pulling tube 308, the return spring 306 shortens and stores elastic potential energy, then the installer can lift the construction frame assembly 1 upwards, the four sets of lifting rods 5 also extend out from the inner part of the installation tube 10, after the construction frame assembly 1 reaches a specified height, the installer only needs to rotate the two sets of hand-pulling tubes 308 towards the outer side of the scaffold, due to the action of the return spring 306, the bolt 304 is quickly inserted into the corresponding pin hole 11, thereby fix four groups of lifter 5, also fix the height of construction frame subassembly 1, later according to the interval between connecting plate 6 and the platform board 103, select corresponding spacing arch 13, couple together connecting plate 6 and platform board 103 through connecting rod 14, improve the steadiness of whole scaffold frame self, then installer climbs to the top of platform board 103 and rotates two sets of guardrails 102 through support frame 9 and cat ladder 4 and stands up, again to guardrail 102 fixed can.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A height adjustable scaffolding comprising a mounting tube (10), characterized in that: the installation pipe (10) is provided with four groups, the lifting rods (5) are arranged inside the installation pipe (10), the cross rods (2) are installed at the tops of two groups of lifting rods (5) at the same end together, pin holes (11) are evenly formed in the outer sides of the lifting rods (5), the construction frame assembly (1) is arranged at the tops of two groups of cross rods (2) together, two groups of second bearings (7) are symmetrically arranged at the bottom of the outer side of the installation pipe (10) of the four groups, two groups of support frames (9) are installed at the outer sides of two adjacent groups of second bearings (7) together, locking assemblies (8) matched with the support frames (9) are arranged at the middle positions of the outer sides of two groups of installation pipes (10) at the same end together, and lifting adjusting assemblies (3) matched with the pin holes (11) are arranged at the tops of the outer sides of two groups of the installation pipe (10) at the same end together, the middle position department in four groups installation pipe (10) outside is provided with connecting plate (6) jointly, and the both sides at connecting plate (6) both ends all install with installation pipe (10) second steel pipe buckle (12) of mutually supporting, connecting plate (6) are through second steel pipe buckle (12) and four groups installation pipe (10) fixed connection.

2. A height adjustable scaffolding as claimed in claim 1, wherein: the lifting adjusting component (3) comprises a limiting hole (301), a connecting pipe (302), a movable rod (303), a bolt (304), a first bearing (305), reset springs (306), L-shaped insert rods (307) and a hand-pulling pipe (308), the connecting pipe (302) is installed at the top of the outer side of the two mounting pipes (10) at the same end, the first bearing (305) is symmetrically installed at the middle position of the outer side of the connecting pipe (302), the hand-pulling pipe (308) is installed at the outer side of the two first bearings (305), the L-shaped insert rods (307) are symmetrically arranged at two ends inside the hand-pulling pipe (308), the two reset springs (306) are symmetrically installed at the middle position of the inside of the connecting pipe (302), the movable rod (303) is symmetrically installed at one end, away from each other, of the two reset springs (306), the limiting hole (301) is symmetrically formed at two ends outside of the connecting pipe (302), the bottom of L type inserted bar (307) passes spacing hole (301) and the one end fixed connection in movable rod (303) outside, the one end that reset spring (306) was kept away from in movable rod (303) is installed and is mutually supported bolt (304) with pinhole (11).

3. A height adjustable scaffolding as claimed in claim 1, wherein: hasp subassembly (8) are including gag lever post (801), solid fixed ring (802), mounting panel (803), U type pole (804), fixed orifices (805), spacing spring (806) and accessory plate (807), and it is two sets of with the one end mounting panel (803) are installed jointly to the intermediate position department in installation pipe (10) outside, and the top of mounting panel (803) is provided with U type pole (804), gag lever post (801) are installed to the intermediate position department of U type pole (804) bottom, mounting panel (803) and accessory plate (807) are passed to the bottom of gag lever post (801), the bottom cover in gag lever post (801) outside is equipped with spacing spring (806), and the top and the bottom of spacing spring (806) respectively with mounting panel (803) and fixed orifices (805) fixed connection, four groups are installed at the top in second bearing (7) outside solid fixed ring (802), gu the position department of the non-centre of a circle of fixed ring (802) top has evenly seted up four groups and has mutually joined in marriage with U type pole (804) and join in marriage And a fixed hole (805).

4. A height adjustable scaffolding as claimed in claim 1, wherein: the construction frame assembly (1) comprises first steel pipe buckles (101), guardrails (102) and platform plates (103), two groups of the steel pipe buckles (101) are symmetrically arranged on two sides of the cross rod (2), the platform plates (103) are jointly installed on the outer sides of the four groups of the first steel pipe buckles (101), the guardrails (102) are hinged to two sides of the top of the platform plates (103) in a symmetrical mode, fixing baffle plates are symmetrically installed at two ends of two sides of the top of the platform plates (103), fixing bolts are arranged on the outer sides of the fixing baffle plates in a threaded mode, and screw holes matched with the fixing bolts are symmetrically formed in two ends of the bottom of the outer sides of the guardrails (102).

5. A height adjustable scaffolding as claimed in claim 1, wherein: the ladder stand (4) is all installed to the one end in two sets of horizontal pole (2) outside, eight sets of two sets of reinforcing rods are all installed to the inboard of support frame (9).

6. A height adjustable scaffolding as claimed in claim 1, wherein: the bottom of the four groups of mounting pipes (10) is provided with a first universal wheel, the bottom of the eight groups of supporting frames (9) is provided with a second universal wheel, and the second universal wheel and the first universal wheel are provided with a braking device.

7. A height adjustable scaffolding according to claim 4, wherein: limiting bulges (13) are uniformly and symmetrically arranged on two sides of the station plate (103) and two sides of the connecting plate (6), and connecting rods (14) matched with the limiting bulges (13) are symmetrically arranged on the same side of the station plate (103) and the connecting plate (6) together.

8. A height adjustable scaffolding according to claim 4, wherein: through holes are uniformly formed in the tops of the platform plate (103) and the connecting plate (6), and anti-slip grains are arranged on the tops of the platform plate (103) and the connecting plate (6).

9. A height adjustable scaffolding as claimed in claim 1, wherein: limiting rings are arranged at the tops of the outer sides of the four groups of mounting pipes (10), and annular rubber pads are arranged at the tops of the limiting rings.

10. A height adjustable scaffolding according to claim 3, wherein: the bilateral symmetry of mounting panel (803) bottom is installed the limit stop who mutually supports with support frame (9), the top symmetry of support frame (9) both sides is provided with the recess of mutually supporting with limit stop.