CN113431309A

CN113431309A - Portable construction scaffold

Info

Publication number: CN113431309A
Application number: CN202110575148.8A
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 portable building construction scaffold, which comprises a supporting plate, wherein safety protection components are arranged at two ends of the bottom of the supporting plate and at the middle positions of two sides of the supporting plate, sliding grooves are arranged at two sides of the supporting plate and at the middle positions of two ends of the supporting plate, first springs are arranged at one side of each of four groups of sliding grooves, which is close to each other, and first clamping plates are arranged at one sides of two groups of first springs, which are far away from each other. According to the invention, through the support rod, the support sleeve, the fixture block, the first telescopic rod, the reinforcing rod, the baffle, the lantern ring, the third spring, the through groove, the slider, the spring groove, the fourth spring, the hinged clamping rod, the second accommodating groove and the second clamping plate, the disassembly of the scaffold is avoided, the time for installation and disassembly is reduced, the use of additional parts is effectively reduced, the complexity among scaffolds is reduced, the floor area of the scaffold is reduced to the greatest extent, and the convenience among the scaffolds is greatly improved during transportation or use.

Description

Portable construction scaffold

Technical Field

The invention relates to the technical field of scaffolds, in particular to a portable scaffold for building construction.

Background

Along with the rapid development of national economy, the construction industry is also rapidly developing, a scaffold is an indispensable tool for building construction, a door type scaffold is one of the scaffolds for building, the most widely applied scaffolds is one of the scaffolds, the scaffold mainly comprises a main frame, a cross frame, cross inclined struts, scaffold boards, an adjustable base and the like, the scaffold refers to various supports which are erected for workers to operate and solve vertical and horizontal transportation on a construction site, a general term of the construction industry refers to an overhead working device which is used in an outer wall, interior decoration or a place with higher floor height and cannot be directly constructed on a construction site, the scaffold is mainly used for up-and-down operation of constructors or peripheral safety net enclosure, overhead mounting members and the like, the scaffold is erected, the scaffold manufacturing materials are usually bamboo, wood, steel pipes or synthetic materials and the like, some projects are also used as templates, in addition, the scaffold for advertising industry, the scaffold is an indispensable tool for building construction, and the scaffold is one of the most widely used in the construction industry, Municipal administration, traffic roads and bridges, mines and other departments are also widely used.

The current scaffold has certain disadvantages when in use:

1. the scaffold is mutually connected with the fasteners through the steel pipes, the whole scaffold is generally transported when in use, the scaffold is large and complicated, the occupied area is large, the working labor intensity is increased during transportation, and meanwhile, a large number of fasteners are needed, so that the fasteners are easily lost;

2. when a traditional scaffold worker uses the scaffold, the scaffold worker needs to continuously perform multi-position operation on the scaffold and continuously move, and due to the special structure of the scaffold and lack of good protection measures, constructors are easy to fall off due to unstable gravity center, so that great safety accidents are caused;

3. the scaffold frame is high simultaneously, and connects through the fastener, leads to the condition emergence that the scaffold frame rocked to appear for the wearing and tearing of the spare part between the scaffold frame not only cause the damage to the scaffold frame, still have great potential safety hazard simultaneously.

Disclosure of Invention

The invention aims to provide a portable scaffold for building construction, which aims to solve the problems that in the prior art, a scaffold is mutually connected through steel pipes and fasteners, and is generally transported integrally when in use, the scaffold is large and complex and occupies a large area, so that the working labor intensity is increased when in transportation, and meanwhile, a large number of fasteners are needed, so that the fasteners are easily lost; when a traditional scaffold worker uses the scaffold, the scaffold worker needs to continuously perform multi-position operation on the scaffold and continuously move, and due to the special structure of the scaffold and lack of good protection measures, constructors are easy to fall off due to unstable gravity center, so that great safety accidents are caused; meanwhile, the scaffold is high in height and connected through the fastener, so that the scaffold is rocked, the scaffold is damaged, and meanwhile, the problem of great potential safety hazard is solved.

Technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a portable scaffold for building construction comprises a support plate, wherein safety protection components are arranged at two ends of the bottom of the support plate and at the middle positions of the two ends, sliding grooves are formed in the two sides of the support plate and at the middle positions of the two ends, first springs are arranged at the sides, close to each other, of four groups of sliding grooves, first clamping plates are arranged at the sides, far away from each other, of two groups of first springs, second clamping plates are arranged at the ends, far away from each other, of the other two groups of first springs, the first clamping plates, the second clamping plates and the sliding grooves are matched in a sliding mode, supporting rods are arranged at the four corners of the bottom of the support plate, supporting sleeves are hinged to the bottoms of the four groups of supporting rods, lantern rings are sleeved on the outer sides of the four groups of supporting sleeves, reinforcing rods are hinged to the sides, close to each other, and baffles are arranged at the bottoms of the outer sides of the four groups of supporting sleeves, both ends at baffle top all are provided with the spring groove, and are two sets of the one end that the spring inslot portion was kept away from each other all is provided with the fourth spring, and is two sets of the one end that the fourth spring is close to each other all is provided with the slider, and is two sets of the top of slider all is provided with fixture block, four groups the bottom at the inside both ends of supporting sleeve all is provided with logical groove, four groups the one end and one side that the supporting sleeve is close to each other all are provided with the slot, four groups the inside bottom cover of supporting sleeve is equipped with flexible extension subassembly.

Preferably, the safety protection component comprises a connecting plate, a hinged shaft, first accommodating grooves, connecting sleeves, a second telescopic rod, a rectangular frame body, a mounting plate, a protective net, coil springs and a mounting shaft, the hinged shaft is positioned at the middle position of one side of the bottom of the supporting plate, the connecting plate is sleeved outside the hinged shaft, the mounting plate is hinged at the bottom of one side of the connecting plate, the rectangular frame body is arranged at one side of the mounting plate, which is far away from the connecting plate, the protective net is arranged at the inner side of the rectangular frame body, the first accommodating grooves are arranged at the two ends of the mounting plate, mounting shafts are arranged at the top and one side of the bottom inside of the two groups of first accommodating grooves, the coil springs are arranged at the top and the bottom outside of the two groups of mounting shafts, the connecting sleeves are sleeved at the middle position of the outside of the two groups of mounting shafts, and the second springs are arranged at one side of the inside of the two groups of connecting sleeves, and two sets of one sides of the second springs, which are far away from the connecting plate, are provided with second telescopic rods, and the second telescopic rods are located in the connecting sleeves and are matched with each other in a sliding manner.

Preferably, the flexible extension subassembly includes that first telescopic link, third spring, logical groove, articulated kelly and second accomodate the recess, first telescopic link is located the inside bottom of backup sleeve, the top at first telescopic link both ends is provided with the second and accomodates the recess, the inside bottom of recess is accomodate to the second one end of keeping away from each other articulates there is articulated kelly, and is two sets of articulated kelly is close to the intermediate position department of one end each other and is provided with the third spring, the inside fixed even of recess is accomodate with the second to third spring back one end.

Preferably, one end of the bottom inside the second accommodating groove is provided with a limit stop, and one side of the top of the limit stop is obliquely arranged.

Preferably, the fixture block is C-shaped, an inclined plane is arranged at one end of the top of the fixture block, and an included angle between the inclined plane and the horizontal plane is thirty degrees.

Preferably, the coil spring is sleeved on the outer side of the mounting shaft, the inner side of the coil spring is fixedly connected with the outer side of the mounting shaft, and the top of the coil spring is fixedly connected with the top of the first accommodating groove.

Preferably, first cardboard and second cardboard are Contraband types, the junction of second cardboard and first spring all is provided with limit stop, and limit stop and the mutual sliding adaptation of spout.

Preferably, the bottom of the first telescopic rod is provided with supporting legs, and two sides of the bottom of the supporting frame are provided with anti-skidding teeth.

Preferably, the middle positions of the two sides of the first telescopic rod are provided with limiting sliding strips, the two sides inside the supporting sleeve are provided with limiting sliding grooves, and the limiting sliding grooves are matched with the limiting sliding strips in a sliding mode.

Preferably, a rubber pad is laid on the top of the supporting plate, and anti-skid grains are arranged on the rubber pad.

The invention provides a portable building construction scaffold, which has the following beneficial effects:

1. according to the invention, through the support rod, the support sleeve, the fixture block, the first telescopic rod, the reinforcing rod, the baffle, the lantern ring, the third spring, the through groove, the slider, the spring groove, the fourth spring, the hinged clamping rod, the second accommodating groove and the second clamping plate, the disassembly of the scaffold is avoided, the time for installation and disassembly is reduced, the use of additional parts is effectively reduced, the complexity among scaffolds is reduced, the floor area of the scaffold is reduced to the greatest extent, and the convenience among the scaffolds is greatly improved during transportation or use;

2. according to the invention, through the mutual matching among the connecting plates, the hinge shafts, the rectangular frame bodies and the protective net, the safety protection function is added to the scaffold, and the four groups of rectangular frame bodies can be unfolded around the scaffold, so that the workers who are out of order and fall can be effectively intercepted and caught, the workers are prevented from being dangerous to lives, and the safety of the existing scaffold is greatly improved;

3. according to the invention, through the matching among the first accommodating groove, the connecting sleeve, the supporting sleeves, the second telescopic rod, the slot, the coil spring and the mounting shaft, the second telescopic rod and the connecting sleeve can support and mount the rectangular frame body and the mounting plate, and meanwhile, a stable support can be carried out among the four groups of supporting sleeves, so that the displacement in the horizontal direction among the four groups of supporting sleeves is prevented, the inclination and the shaking among the supporting sleeves are reduced, the abrasion among all parts of the scaffold is reduced, and the potential safety hazard among the scaffolds is further reduced.

Drawings

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

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

FIG. 3 is a front view of the present invention when folded;

FIG. 4 is a perspective view of a baffle of the present invention;

FIG. 5 is a partial top cross-sectional view of the present invention;

FIG. 6 is a front cross-sectional view of a support sleeve of the present invention;

fig. 7 is a perspective view of a rectangular frame of the present invention.

In the figure: 1. a support plate; 2. a connecting plate; 3. hinging a shaft; 4. a chute; 5. a first clamping plate; 6. a support bar; 7. a first receiving groove; 8. connecting a sleeve; 9. a support sleeve; 10. a clamping block; 11. a first telescopic rod; 12. a reinforcing bar; 13. a baffle plate; 14. a collar; 15. a second telescopic rod; 16. a rectangular frame body; 17. mounting a plate; 18. a first spring; 19. a slot; 20. a second spring; 21. a third spring; 22. a through groove; 23. a slider; 24. a spring slot; 25. a fourth spring; 26. a hinged clamping rod; 27. a second receiving groove; 28. a protective net; 29. a second clamping plate; 30. a coil spring; 31. and (4) installing a shaft.

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. 1-7, the present invention provides a technical solution: a portable scaffold for building construction comprises a supporting plate 1, safety protection components are arranged at the middle positions of two ends and two sides of the bottom of the supporting plate 1, workers falling accidentally can be caught and caught, life danger of the workers is reduced, sliding grooves 4 are arranged at the middle positions of two sides and two ends of the supporting plate 1, first springs 18 are arranged at the sides of four groups of sliding grooves 4 close to each other, first clamping plates 5 are arranged at the sides of two groups of first springs 18 far away from each other, second clamping plates 29 are arranged at the ends of the other two groups of first springs 18 far away from each other, the first clamping plates 5, the second clamping plates 29 and the sliding grooves 4 are matched in a sliding mode, supporting rods 6 are arranged at four corners of the bottom of the supporting plate 1, supporting sleeves 9 are hinged to the bottoms of four groups of supporting rods 6, lantern rings 14 are sleeved on the outer sides of the four groups of supporting sleeves 9, reinforcing rods 12 are hinged to the sides of the two groups of lantern rings 14 close to each other, the bottom in the four supporting sleeve 9 outsides is provided with baffle 13, the both ends at baffle 13 top all are provided with spring groove 24, the inside one end of keeping away from each other in two sets of spring grooves 24 all is provided with fourth spring 25, the one end that two sets of fourth springs 25 are close to each other all is provided with slider 23, the top of two sets of slider 23 all is provided with fixture block 10, the bottom at the inside both ends of four supporting sleeve 9 all is provided with logical groove 22, the one end and one side that four supporting sleeve 9 of group are close to each other all are provided with slot 19, the inside bottom cover of four supporting sleeve 9 of group is equipped with flexible extension subassembly, highly prolong scaffold.

As a preferable embodiment of the present embodiment: the safety protection component comprises a connecting plate 2, hinge shafts 3, first accommodating grooves 7, connecting sleeves 8, a second telescopic rod 15, a rectangular frame body 16, a mounting plate 17, a protective net 28, coil springs 30 and mounting shafts 31, wherein the hinge shafts 3 are positioned at the middle position of one side of the bottom of a supporting plate 1, the connecting plate 2 is sleeved outside the hinge shafts 3, the mounting plate 17 is hinged at the bottom of one side of the connecting plate 2, the rectangular frame body 16 is arranged at one side of the mounting plate 17 away from the connecting plate 2, the protective net 28 is arranged inside the rectangular frame body 16, the first accommodating grooves 7 are arranged at two ends of the mounting plate 17, the mounting shafts 31 are arranged at the top and one side of the bottom inside the two groups of first accommodating grooves 7, the coil springs 30 are arranged at the top and the bottom outside the two groups of mounting shafts 31, the connecting sleeves 8 are sleeved, one side that connecting plate 2 was kept away from to two sets of second springs 20 all is provided with second telescopic link 15, and second telescopic link 15 is located the inside adaptation that slides each other of adapter sleeve 8, can catch the personnel that fall, prevents it from falling and hindering.

As a preferable embodiment of the present embodiment: the telescopic extension assembly comprises a first telescopic rod 11, a third spring 21, a through groove 22, a hinged clamping rod 26 and a second storage groove 27, the first telescopic rod 11 is located at the bottom inside the supporting sleeve 9, the second storage groove 27 is arranged at the top of each of the two ends of the first telescopic rod 11, one end, far away from each other, of the bottom inside the second storage groove 27 is hinged to the hinged clamping rod 26, the middle positions, close to one end, of the two groups of hinged clamping rods 26 are provided with the third spring 21, one end of the back of the third spring 21 is fixedly connected with the inside of the second storage groove 27, and the scaffold can be flexibly stored.

As a preferable embodiment of the present embodiment: one end of the bottom inside the second accommodating groove 27 is provided with a limit stop, and one side of the top of the limit stop is inclined, so that the hinged clamping rod 26 can be effectively blocked to continue rotating to support the first telescopic rod 11.

As a preferable embodiment of the present embodiment: the fixture block 10 is C-shaped, one end of the top of the fixture block 10 is provided with an inclined plane, an included angle between the inclined plane and the horizontal plane is thirty degrees, and the lantern ring 14 can move towards two sides when moving downwards.

As a preferable embodiment of the present embodiment: the coil spring 30 is sleeved on the outer side of the mounting shaft 31, the inner side of the coil spring 30 is fixedly connected with the outer side of the mounting shaft 31, the top of the coil spring 30 is fixedly connected with the top of the first accommodating groove 7, and the connecting sleeve 8 is automatically accommodated.

As a preferable embodiment of the present embodiment: first cardboard 5 and second cardboard 29 are the Contraband type, and second cardboard 29 and first cardboard 5 all are provided with limit stop with the junction of first spring 18, and limit stop and the mutual sliding adaptation of spout 4 prevent that second cardboard 29 and first cardboard 5 from dropping from the inside of spout 4.

As a preferable embodiment of the present embodiment: the bottom of first telescopic link 11 is provided with the supporting legs, and the both sides of support frame bottom are provided with anti-skidding tooth, improve the stability of scaffold frame.

As a preferable embodiment of the present embodiment: the intermediate position department of 11 both sides of first telescopic link is provided with spacing draw runner, and the inside both sides of support sleeve 9 are provided with spacing spout, and spacing spout and spacing draw runner adaptation that slides each other prevent that first telescopic link 11 from appearing the skew at gliding in-process.

As a preferable embodiment of the present embodiment: the rubber pad has been laid at the top of backup pad 1, and is provided with anti-skidding line on the rubber pad for the phenomenon that the personnel skidded appears in backup pad 1.

Example 1, as shown in fig. 5, when the scaffold is used, it is necessary to perform safety protection on a worker, at this time, two sets of first clamping plates 5 are pulled away from each other, so that the first clamping plates 5 release the clamping and fixing effect on the rectangular frame 16, at this time, four sets of connecting plates 2 are pulled downward, so that an included angle between the connecting plates 2 and the support plate 1 is ninety degrees, then, at the position where the mounting plate 17 and the rectangular frame 16 are parallel to the support plate 1 by rotating the mounting plates 17 and the rectangular frame 16 around the hinge shafts, at this time, the connecting sleeves 8 at both ends of the mounting plate 17 are rotated around the mounting shafts 31, the second telescopic rods 15 are aligned with the slots 19, and when the second telescopic rods 15 are inserted into the slots 19, the two sets of slots 19 support the rectangular frame 16 through the connecting sleeves 8 and the second telescopic rods 15, so that the unfolding and installation of the rectangular frame 16 can be completed, which not only increases the safety factor of the scaffold, stability can be further increased for the scaffold.

Example 2, as shown in fig. 1 to 7, when unfolded, two sets of support sleeves 9 are rotated to ninety degrees from the ground around the support rod 6, and then the reinforcement rod 12 is pulled to move downwards, so that the collar 14 presses the inclined surfaces on the two sets of blocks 10, so that the two sets of blocks 10 slide inside the spring groove 24 through the slider 23, the fourth spring 25 presses, when the collar 14 moves to the inside of the block 10, the two sets of blocks 10 are clamped on the collar 14 under the action of the elastic force of the fourth spring 25, the collar 14 is fixed, so that the reinforcement rod 12 is fixed, the reinforcement rod 12 increases the stability of the scaffold, the first telescopic rod 11 is pulled downwards, the hinge clamping rod 26 moves downwards along with the first telescopic rod 11 inside the support sleeves 9, when the hinge clamping rod 26 moves to the through groove 22, the hinge clamping rod 26 is pushed into the through groove 22 under the action of the two sets of third springs 21, the first telescopic rod 11 is fixed to complete the unfolding of the scaffold.

The working principle is as follows: when the scaffold needs to be folded and carried, the second telescopic rod 15 is separated from the inside of the slot 19, the connecting sleeve 8 is recovered to the inside of the first accommodating groove 7 under the action of the coil spring 30, the rectangular frame 16 and the connecting plate 2 are rotated through the hinge shaft, the mounting plate 17 and the connecting plate 2 are tightly attached to each other, then the first clamping plate 5 is buckled on one side of the rectangular frame 16, so that the rectangular frames 16 on the two sides can be fixed, then the two groups of clamping blocks 10 are pulled to the positions away from each other, then the reinforcing rod 12 is lifted upwards, at the moment, the reinforcing rod 12 pushes the first telescopic rod 11 which is released from the fixation to slide upwards on the outer side of the supporting sleeve 9, the hinge clamping rod 26 is pressed into the inside of the supporting sleeve 9, the first telescopic rod 11 is pushed into the inside of the supporting sleeve 9, then the two groups of supporting sleeves 9 rotate around the hinge shaft of the supporting rod 6 to the position parallel to the supporting plate 1, at this time, the second catch plate 29 is pulled, the second catch plate 29 is buckled on the outer side of the reinforcing rod 12 under the elastic force of the first spring 18, the reinforcing rod 12 is fixed, meanwhile, the reinforcing rod 12 supports the rectangular frame bodies 16 at the two ends, and meanwhile, the rectangular frame bodies 16 at the two ends are fixed.

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 portable construction scaffold, includes backup pad (1), its characterized in that: safety protection components are arranged at the two ends of the bottom of the supporting plate (1) and the middle positions of the two sides, sliding grooves (4) are arranged at the two sides of the supporting plate (1) and the middle positions of the two ends of the supporting plate, first springs (18) are arranged at one sides of the four groups of sliding grooves (4) close to each other, first clamping plates (5) are arranged at one sides of the two groups of first springs (18) far away from each other, second clamping plates (29) are arranged at one ends of the other two groups of first springs (18) far away from each other, the first clamping plates (5) and the second clamping plates (29) are in sliding fit with the sliding grooves (4) with each other, supporting rods (6) are arranged at the four corners of the bottom of the supporting plate (1), supporting sleeves (9) are hinged at the bottoms of the four groups of supporting rods (6), lantern rings (14) are sleeved at the outer sides of the four groups of the supporting sleeves (9), reinforcing rods (12) are hinged at one sides of the two groups of the lantern rings (14) close to each other, four groups the bottom in support sleeve (9) outside is provided with baffle (13), the both ends at baffle (13) top all are provided with spring groove (24), and are two sets of spring groove (24) inside one end of keeping away from each other all is provided with fourth spring (25), and is two sets of the one end that fourth spring (25) are close to each other all is provided with slider (23), and is two sets of the top of slider (23) all is provided with fixture block (10), four groups the bottom at the inside both ends of support sleeve (9) all is provided with logical groove (22), four groups the one end and one side that support sleeve (9) are close to each other all are provided with slot (19), four groups the inside bottom cover of support sleeve (9) is equipped with flexible extension assembly.

2. A portable construction scaffolding according to claim 1, wherein: the safety protection component comprises a connecting plate (2), hinge shafts (3), first storage grooves (7), connecting sleeves (8), second telescopic rods (15), a rectangular frame body (16), a mounting plate (17), a protective net (28), a coil spring (30) and a mounting shaft (31), wherein the hinge shafts (3) are located at the middle position of one side of the bottom of a supporting plate (1), the connecting plate (2) is sleeved on the outer side of the hinge shafts (3), the mounting plate (17) is hinged to the bottom of one side of the connecting plate (2), the rectangular frame body (16) is arranged on one side, away from the connecting plate (2), of the mounting plate (17), the protective net (28) is arranged on the inner side of the rectangular frame body (16), the first storage grooves (7) are arranged at the two ends of the mounting plate (17), and the mounting shafts (31) are arranged on the top and one side of the bottom inside the two groups of the first storage grooves (7), two sets of the top and the bottom in installation axle (31) outside all are provided with wind spring (30), and are two sets of the intermediate position department in installation axle (31) outside all is equipped with connecting sleeve (8), and is two sets of connecting sleeve (8) inside one side is provided with second spring (20), and is two sets of one side that connecting plate (2) were kept away from in second spring (20) all is provided with second telescopic link (15), second telescopic link (15) are located the inside mutual sliding adaptation of connecting sleeve (8).

3. A portable construction scaffolding according to claim 1, wherein: the telescopic extension assembly comprises a first telescopic rod (11), a third spring (21), a through groove (22), an articulated clamping rod (26) and a second storage groove (27), wherein the first telescopic rod (11) is located at the bottom of the inner part of the supporting sleeve (9), the tops of the two ends of the first telescopic rod (11) are provided with the second storage groove (27), one end, which is far away from the bottom of the inner part of the second storage groove (27), of the second storage groove is hinged with the articulated clamping rod (26) and is two groups of the articulated clamping rod (26) are close to the middle position of one end each other and are provided with the third spring (21), and the inner fixed connection of the groove (27) is stored with the second storage groove (21) at one end of the back of the third spring (21).

4. A portable construction scaffolding according to claim 3, wherein: one end of the bottom inside the second accommodating groove (27) is provided with a limit stop, and one side of the top of the limit stop is obliquely arranged.

5. A portable construction scaffolding according to claim 1, wherein: the fixture block (10) is C-shaped, an inclined plane is arranged at one end of the top of the fixture block (10), and an included angle between the inclined plane and the horizontal plane is thirty degrees.

6. A portable construction scaffolding according to claim 2, wherein: the outer side of the mounting shaft (31) is sleeved with the coil spring (30), the inner side of the coil spring (30) is fixedly connected with the outer side of the mounting shaft (31), and the top of the coil spring (30) is fixedly connected with the top of the first accommodating groove (7).

7. A portable construction scaffolding according to claim 1, wherein: first cardboard (5) and second cardboard (29) are the Contraband type, the junction of second cardboard (29) and first cardboard (5) and first spring (18) all is provided with limit stop, and limit stop and spout (4) mutual sliding adaptation.

8. A portable construction scaffolding according to claim 3, wherein: the bottom of the first telescopic rod (11) is provided with supporting legs, and two sides of the bottom of the supporting frame are provided with anti-skidding teeth.

9. A portable construction scaffolding according to claim 3, wherein: the middle positions of two sides of the first telescopic rod (11) are provided with limiting sliding strips, two sides of the interior of the supporting sleeve (9) are provided with limiting sliding grooves, and the limiting sliding grooves are matched with the limiting sliding strips in a sliding mode.

10. A portable construction scaffolding according to claim 1, wherein: a rubber pad is laid on the top of the supporting plate (1), and anti-skid grains are arranged on the rubber pad.