CN112647696A

CN112647696A - Protection type scaffold convenient to staff scrambles

Info

Publication number: CN112647696A
Application number: CN202011220433.XA
Authority: CN
Inventors: 石跃跃
Original assignee: 石跃跃
Current assignee: Guangdong Changhai Construction Engineering Co.,Ltd.
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-04-13
Anticipated expiration: 2040-11-05
Also published as: CN112647696B

Abstract

The invention relates to the technical field of scaffolds, in particular to a protective scaffold convenient for workers to climb, which comprises support upright columns, wherein four groups of support upright columns are arranged, the top ends of the four groups of support upright columns are provided with through holes, the top ends of two groups of support upright columns on the same side are inserted with connecting rods, the top ends of the other two groups of support upright columns are inserted with second connecting sleeves, the second connecting sleeves are sleeved on the outer walls of the connecting rods, and the outer walls of the connecting rods are sleeved with second support plates. According to the invention, the supporting upright columns on two sides are unfolded through the arrangement of the supporting upright columns and the second fixing disc, then the supporting upright columns can support the ground, then the four groups of supporting upright columns are fixed through the fixing plates, so that the stability of the supporting upright columns is improved, then the outer frame of the ladder stand is rotated, the outer frame of the ladder stand can be stretched at any time, and then one end of the outer frame of the ladder stand is in contact with the ground for supporting, and then people can conveniently climb.

Description

Protection type scaffold convenient to staff scrambles

Technical Field

The invention relates to the technical field of scaffolds, in particular to a protection type scaffold convenient for workers to climb.

Background

In construction in the building field, the height of workers cannot continuously meet construction conditions after the workers are constructed to a certain height, so that the construction height of the workers needs to be increased by means of external tools, in the building, the tools are generally called as scaffolds, the scaffolds are working platforms which are erected for ensuring that each construction process is smoothly carried out, and the scaffolds are divided into outer scaffolds and inner scaffolds according to the erected positions; the scaffold can be divided into a wood scaffold, a bamboo scaffold and a steel pipe scaffold according to different materials; divide into pole setting formula scaffold, bridge type scaffold, gate-type scaffold, suspension type scaffold, hanging scaffold, choose formula scaffold, climb formula scaffold according to the structural style, wherein climb formula scaffold and mostly be indoor use, and have certain protectiveness, the security that is used for protecting constructor, it is comparatively convenient to use.

But present scaffold frame most all has the steel pipe to connect, and general volume is great, and weight is great, consequently accomplishes the back in the construction, is not convenient for remove it, needs to dismantle it, is classifying the removal afterwards, assembles at last, and its operating procedure is comparatively complicated, and manpower comparatively extravagant at the in-process of construction, work efficiency is lower, uses comparatively inconveniently, consequently needs a protection type scaffold frame of the staff of being convenient for to climb urgently to solve above-mentioned problem.

Disclosure of Invention

The invention aims to provide a protection type scaffold convenient for workers to climb, and aims to solve the problems that most of scaffolds proposed in the background art are connected by steel pipes, and generally have large volume and heavy weight, so that the scaffolds are inconvenient to move after construction, need to be disassembled, then are classified to move, and finally are assembled, the operation steps are complex, manpower is wasted in the construction process, the working efficiency is low, and the use is inconvenient.

In order to achieve the purpose, the invention provides the following technical scheme: a protection type scaffold convenient for workers to climb comprises support stand columns, wherein the support stand columns are provided with four groups, the top ends of the four groups are provided with through holes, connecting rods are inserted into the top ends of the two groups of support stand columns on the same side, second connecting sleeves are inserted into the top ends of the other two groups of support stand columns, the second connecting sleeves are sleeved on the outer walls of the connecting rods, second supporting plates are sleeved on the outer walls of the connecting rods, first supporting plates are sleeved on the outer walls of the second connecting sleeves, first sliding grooves are formed in the outer walls of the support stand columns, first sliding blocks are inserted into the first sliding grooves, fixing plates are fixedly installed at the ends, far away from the first sliding grooves, of the fixing plates, first connecting sleeves are sleeved at the ends, far away from the support stand columns, first fixing plates are fixedly installed on the front faces of the first connecting sleeves, and grooves are formed in, the slotted inner wall fixed mounting has the axostylus axostyle, the inside dead lever that is equipped with of inserting of slotted, the dead lever extends the inside one end of slotted and has seted up the hole, and the dead lever cup joints the outer wall at the axostylus axostyle, the outer wall of first fixed disk is provided with the cat ladder frame, the fixed slot has all been seted up to the both sides of cat ladder frame, the fixed slot cup joints the outer wall at the dead lever, the fixed mounting of inside intermediate position department of cat ladder frame has the.

Preferably, the top lateral wall fixed mounting of support post has the removal universal wheel, and removes the universal wheel and be provided with four groups, four groups remove the universal wheel and be located four edges of first backup pad and second backup pad respectively.

Preferably, the outer wall of the connecting rod is provided with an embedding hole, the outer wall of the second connecting sleeve is provided with a hole, the inner wall of the hole is inserted with a fixed embedded rod, the outer wall of the fixed embedded rod is provided with threads, the fixed embedded rod is in threaded connection with the second connecting sleeve, and the fixed embedded rod is inserted in the embedding hole.

Preferably, the top fixed mounting of first backup pad and second backup pad has the hinge, logical groove has all been seted up to the bottom both sides of second backup pad, the outer wall diameter that leads to the groove and the outer wall diameter looks adaptation of connecting rod, first backup pad and second backup pad rotate to be connected, the size of second backup pad and first backup pad is the same.

Preferably, the first sliding groove is T-shaped, and the shape of the first sliding block is matched with the shape of the first sliding groove.

Preferably, a fixture block is fixedly mounted at one end of the fixing plate extending to the inner wall of the first connecting sleeve, first clamping grooves are formed in two sides of the inner wall of the first connecting sleeve, the fixture block is inserted into the first clamping grooves, and the fixture block is slidably connected with the first connecting sleeve

Preferably, the outer wall of the shaft lever is sleeved with a first pressure spring, two ends of the first pressure spring are fixedly connected with the inner walls of two sides of the groove and a fixing rod respectively, the fixing rod is T-shaped, the fixing rod is matched with the fixing groove in shape, and the fixing rod is slidably connected with the outer frame of the ladder stand.

Preferably, a second fixed disc is fixedly mounted at the middle position of the ladder stand outer frame, a second clamping groove is formed in the outer wall of the second fixed disc, the second clamping groove is arc-shaped, two ends of the second clamping groove are communicated with the top end of the fixed groove, and a vertical groove is formed in one end, far away from the fixed groove, of the second clamping groove.

Preferably, the ladder stand outer frame and the second fixed disk are provided with two groups, and the ladder stand outer frames are respectively positioned on two sides of the first supporting plate and the second supporting plate.

Compared with the prior art, the invention has the beneficial effects that:

1. the device is provided with support post and second fixed disk, expand the support post of both sides, can make the support post support ground afterwards, four group's support post fix through the fixed plate afterwards, and then make the stability of support post obtain improving, rotate the cat ladder frame afterwards, can make the cat ladder frame drive the second fixed disk and rotate, can make the cat ladder frame stretch out and draw back at any time, and then make the one end of cat ladder frame and ground contact the support, can make personnel scramble afterwards, the cat ladder frame can be grabbed to personnel's both hands simultaneously, personnel remove through the cat ladder horizontal pole, and then can make personnel's climbing more convenient, the device is whole setting simultaneously, it is whole comparatively stable, and then make personnel's factor of safety increase, the work efficiency of staff has been improved simultaneously, high durability and convenient use.

2. The device is provided with a supporting upright post and a movable universal wheel, the fixed plate slides upwards to drive the first connecting sleeve to move, then the fixed plate can be moved to the top end of a first sliding groove, then the supporting upright post can be rotated, so that the supporting upright post can be rotated to the horizontal line of a first supporting plate and a second supporting plate, then the first connecting sleeve fixes the supporting upright post, then the outer frame of the ladder stand is rotated to shrink the outer frame of the ladder stand, the second supporting plate is turned over to rotate the second supporting plate to the upper part of the first supporting plate, then the movable universal wheel is contacted with the ground, the first supporting plate and the second supporting plate can be moved, the occupied area of the whole device is further reduced, the device is convenient to move, further the transfer of workers is more convenient, the workers do not need to disassemble and move and then assemble the device, and the installation time is reduced, thereby improving the working efficiency and being convenient to use.

Drawings

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

FIG. 2 is a schematic structural view of the present invention in a folded state;

FIG. 3 is a schematic top cross-sectional view of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic perspective view of a first fixing tray according to the present invention;

FIG. 6 is a schematic perspective view of the outer frame of the ladder stand of the present invention;

fig. 7 is a schematic side sectional view of the first support plate and the second support plate of the present invention.

In the figure: 1. supporting the upright post; 2. a connecting rod; 3. moving the universal wheel; 4. a first support plate; 5. a second support plate; 6. a door hinge; 7. a first chute; 8. a first slider; 9. a fixing plate; 10. a first connecting sleeve; 11. a clamping block; 12. a first card slot; 13. a first fixed disk; 14. grooving; 15. a shaft lever; 16. a first pressure spring; 17. fixing the rod; 18. climbing a ladder outer frame; 19. fixing grooves; 20. climbing a ladder cross bar; 21. a second fixed disk; 22. a second card slot; 23. a through groove; 24. a second connecting sleeve; 25. embedding holes; 26. and fixing the embedded rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

Referring to fig. 1-7, an embodiment of the present invention is shown:

a protection type scaffold convenient for workers to climb comprises support upright posts 1, wherein the support upright posts 1 are provided with four groups, the top ends of the four groups are provided with through holes, the top ends of two groups of support upright posts 1 on the same side are inserted with connecting rods 2, the top ends of the other two groups of support upright posts 1 are inserted with second connecting sleeves 24, the second connecting sleeves 24 are sleeved on the outer walls of the connecting rods 2, the outer walls of the connecting rods 2 are sleeved with second supporting plates 5, the outer walls of the second connecting sleeves 24 are sleeved with first supporting plates 4, the outer walls of the support upright posts 1 are provided with first sliding chutes 7, first sliding blocks 8 are inserted in the first sliding chutes 7, one ends, far away from the first sliding chutes 7, of the first sliding blocks 8 are fixedly provided with fixing plates 9, one ends, far away from the support upright posts 1, of the fixing plates 9 are sleeved with first connecting sleeves 10, the front faces of the first connecting sleeves 10 are, the inner wall of the slot 14 is fixedly provided with a shaft lever 15, a fixing rod 17 is inserted into the slot 14, one end of the fixing rod 17 extending into the slot 14 is provided with a hole, the fixing rod 17 is sleeved on the outer wall of the shaft lever 15, the outer wall of the first fixing disk 13 is provided with a ladder stand outer frame 18, two sides of the ladder stand outer frame 18 are both provided with fixing grooves 19, the fixing grooves 19 are sleeved on the outer wall of the fixing rod 17, the middle position inside the ladder stand outer frame 18 is fixedly provided with a ladder stand cross rod 20, the supporting upright 1 is rotated, so that the supporting upright 1, the first supporting plate 4 and the second supporting plate 5 are in a vertical device, the supporting upright 1 can support the first supporting plate 4 and the second supporting plate 5, and then the fixing plate 9 is slid downwards, so that the fixing plate 9 can support the supporting upright 1, the stability of the supporting upright 1, make the support nature of first backup pad 4 and second backup pad 5 better, personnel's factor of safety has been increased, rotate cat ladder frame 18 afterwards, make cat ladder frame 18 rotate to the state with fixed plate 9 mutually perpendicular, can make the top of cat ladder frame 18 take place the basis with first backup pad 4 afterwards, make cat ladder frame 18 form the cat ladder, personnel can hand cat ladder frame 18 afterwards, pedal cat ladder horizontal pole 20 scrambles, it removes to the top of first backup pad 4 and second backup pad 5 to make things convenient for personnel, thereby make personnel's climbing more convenient, personnel's security at the climbing in-process has been increased simultaneously, make constructor's factor of safety obtain the guarantee, high durability and convenient use.

Furthermore, the side wall of the top end of the supporting upright post 1 is fixedly provided with four groups of movable universal wheels 3, the four groups of movable universal wheels 3 are respectively positioned at four corners of the first supporting plate 4 and the second supporting plate 5, the supporting upright post 1 can be rotated to the parallel position of the first supporting plate 4 and the second supporting plate 5 by rotating the supporting upright post 1, then the movable universal wheels 3 move downwards in the rotating process, so that the movable universal wheels 3 are contacted with the ground after moving, meanwhile, the four groups of movable universal wheels 3 can completely support the first supporting plate 4 and the second supporting plate 5, further the stability of the first supporting plate 4 and the second supporting plate 5 in the moving process is improved, further the first supporting plate 4 and the second supporting plate 5 can move more conveniently without being disassembled before moving, and the subsequent assembling process is carried out, the efficiency of work is improved, and first backup pad 4 and second backup pad 5 can put the thing at the in-process that removes simultaneously, further improvement work efficiency, convenient to use.

Further, the outer wall of the connecting rod 2 is provided with an embedding hole 25, the outer wall of the second connecting sleeve 24 is provided with a hole, the inner wall of the hole is inserted with a fixed embedded bar 26, the outer wall of the fixed embedded bar 26 is provided with threads, the fixed embedded bar 26 is in threaded connection with the second connecting sleeve 24, the fixed embedded bar 26 is inserted in the embedding hole 25, the second supporting plate 5 is pulled, so that the second supporting plate 5 rotates through the door hinge 6, then the second supporting plate 5 can rotate to the upper side of the first supporting plate 4, then the fixed embedded bar 26 rotates, the fixed embedded bar 26 can move through a threaded structure, then the fixed embedded bar 26 can be separated from the inside of the embedding hole 25, then the connecting rod 2 can be slid, so that the connecting rod 2 is embedded in the second connecting sleeve 24, thereby the length formed by the second connecting sleeve 24 and the connecting rod 2 is shortened, and the whole body is shrunk, reduce its space of taking up an area of, conveniently carry and deposit it, it is comparatively convenient to use.

Further, door hinges 6 are fixedly installed at the top ends of the first supporting plate 4 and the second supporting plate 5, through grooves 23 are formed in both sides of the bottom end of the second supporting plate 5, the diameter of the outer wall of each through groove 23 is matched with the diameter of the outer wall of the connecting rod 2, the first supporting plate 4 is rotatably connected with the second supporting plate 5, the second supporting plate 5 and the first supporting plate 4 are the same in size, the second supporting plate 5 can be rotated through the door hinges 6 by rotating the second supporting plate 5, so that the second supporting plate 5 is rotated above the first supporting plate 4, the second supporting plate 5 and the first supporting plate 4 can be folded, the areas of the second supporting plate 5 and the first supporting plate 4 are reduced, personnel can conveniently carry and store the foldable support plate, the first supporting plate 4 and the second supporting plate 5 can be unfolded during use, the pedal area of the personnel is enlarged, and the construction of the personnel is more convenient, meanwhile, the safety custom of personnel is increased, the condition that the personnel step on the air during construction is avoided, the safety factor of the personnel is guaranteed, and the use is convenient.

Further, the shape of first spout 7 is the T shape, the shape of first slider 8 and the shape looks adaptation of first spout 7, pulling fixed plate 9, can make fixed plate 9 remove in the inside of first spout 7 through first slider 8, support post 1 is when rotating the shrink simultaneously, can make first slider 8 rotate in the inside of first spout 7, high durability and convenient use, can avoid the condition that kind of emergence of process that first slider 8 removed breaks away from simultaneously, make the stability between support post 1 and the fixed plate 9 better, and then make the installation and the removal of scaffold frame more convenient.

Further, the one end fixed mounting that fixed plate 9 extends to first adapter sleeve 10 inner wall has fixture block 11, first draw-in groove 12 has all been seted up to the inner wall both sides of first adapter sleeve 10, fixture block 11 is inserted and is established the inside of first draw-in groove 12, fixture block 11 and first adapter sleeve 10 sliding connection, support column 1 is rotating the in-process of shrink, fixed plate 9 can remove simultaneously, fixed plate 9 contracts in the inside of first adapter sleeve 10, fixture block 11 moves in the inside of first draw-in groove 12 simultaneously, can make the stability between fixed plate 9 and the first adapter sleeve 10 better, avoid taking place the condition that breaks away from between fixed plate 9 and the first adapter sleeve 10, the stability of installation between the scaffold frame has further been promoted, high durability and convenient use, and convenient use

Further, the outer wall of the shaft rod 15 is sleeved with a first pressure spring 16, two ends of the first pressure spring 16 are respectively fixedly connected with the inner walls of two sides of the slot 14 and a fixing rod 17, the fixing rod 17 is in a T shape, the fixing rod 17 is matched with the fixing slot 19 in shape, the fixing rod 17 is slidably connected with the outer ladder frame 18, the outer ladder frame 18 can slide and rotate on the outer wall of the first fixing disk 13, so that the bottom end of the outer ladder frame 18 can be contacted and supported with the ground, the top end of the outer ladder frame 18 can be contacted with the first supporting plate 4 and the second supporting plate 5, so that the outer ladder frame 18 forms a ladder stand, and is convenient for people to climb, meanwhile, the outer ladder frame 18 can increase the stability between the first fixing disk 13 and the outer ladder frame 18 through the fixing rod 17 in the sliding process, and avoids the situation that the outer ladder frame 18 is separated in the climbing process, further improved staff's factor of safety, can make cat ladder frame 18 rotate simultaneously to the completion is to accomodating of cat ladder frame 18, has reduced the occupation of land space of scaffold frame, has made things convenient for and has transported and deposit convenient to use to it.

Further, a second fixing disc 21 is fixedly installed at the middle position of the ladder stand outer frame 18, a second clamping groove 22 is formed in the outer wall of the second fixing disc 21, the second clamping groove 22 is arc-shaped, two ends of the second clamping groove 22 are communicated with the top end of the fixing groove 19, a vertical groove is formed in one end, far away from the fixing groove 19, of the second clamping groove 22, when the fixing rod 17 moves to the top end of the inner wall of the fixing groove 19, the ladder stand outer frame 18 can rotate, then the fixing rod 17 can move to the inside of the second clamping groove 22, when the rotation angle of the ladder stand outer frame 18 is in the same horizontal line with the first supporting plate 4 and the second supporting plate 5, the fixing rod 17 is just located on the vertical groove inside the second clamping groove 22, then the first pressure spring 16 can drive the fixing rod 17 to move, and further the fixing rod 17 moves to the inside of the vertical groove, so as to fix, simple operation and convenient use.

Further, cat ladder frame 18 and second fixed disk 21 are provided with two sets ofly, and two sets of cat ladder frames 18 are located the both sides of first backup pad 4 and second backup pad 5 respectively, can make personnel carry out the climbing of self-adaptation according to the environment of locating, make the in-process of work more convenient, and then make personnel's climbing more convenient.

The working principle is as follows: when the scaffold needs to be moved, the second support plate 5 is pulled, so that the second support plate 5 rotates through the door hinge 6, then the second support plate 5 can rotate to the upper side of the first support plate 4, then the fixed embedded rod 26 rotates, the fixed embedded rod 26 can move through the threaded structure, then the fixed embedded rod 26 can be separated from the inner part of the embedded hole 25, then the connecting rod 2 can be slid, so that the connecting rod 2 is embedded into the inner part of the second connecting sleeve 24, so that the length formed by the second connecting sleeve 24 and the connecting rod 2 is shortened, the whole body of the connecting rod 2 is shrunk, then the support upright column 1 is rotated, the support upright column 1 can be rotated to the parallel position of the first support plate 4 and the second support plate 5, then the movable universal wheel 3 moves downwards in the rotating process, and then the movable universal wheel 3 is in contact with the ground after moving, simultaneously four groups remove universal wheel 3 can carry out complete support to first backup pad 4 and second backup pad 5, and then improved the stability of first backup pad 4 and second backup pad 5 at the removal in-process, and then make the removal of first backup pad 4 and second backup pad 5 more convenient, need not to dismantle before removing.

After removing the device to appointed position, can expand it, rotate dead lever 17 afterwards, make dead lever 17 rotate to the inside of fixed slot 19, cat ladder frame 18 can slide at any time, and then can make the bottom of cat ladder frame 18 contact with ground and support, the top of cat ladder frame 18 can contact with first backup pad 4 and second backup pad 5, thereby make cat ladder frame 18 form the cat ladder, made things convenient for personnel to scramble, the handrail can be regarded as to the both sides of cat ladder frame 18 simultaneously, supply the staff to support, and then can protect the staff at the in-process of climbing, staff's factor of safety has been increased, high durability and convenient use, the above whole theory of operation of this scheme.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a protection type scaffold convenient to staff's climbing, includes support post (1), its characterized in that: the supporting columns (1) are provided with four groups, the top ends of the four groups are provided with through holes, the top ends of the two groups of supporting columns (1) on the same side are inserted with connecting rods (2), the top ends of the other two groups of supporting columns (1) are inserted with second connecting sleeves (24), the second connecting sleeves (24) are sleeved on the outer walls of the connecting rods (2), the outer walls of the connecting rods (2) are sleeved with second supporting plates (5), the outer walls of the second connecting sleeves (24) are sleeved with first supporting plates (4), the outer walls of the supporting columns (1) are provided with first sliding chutes (7), first sliding blocks (8) are inserted in the first sliding chutes (7), one ends, far away from the first sliding chutes (7), of the first sliding blocks (8) are fixedly provided with fixing plates (9), one ends, far away from the supporting columns (1), of the fixing plates (9) are sleeved with first connecting sleeves (10), the front fixed mounting of first connecting sleeve (10) has first fixed disk (13), fluting (14) have been seted up in the front of first fixed disk (13), the inner wall fixed mounting of fluting (14) has axostylus axostyle (15), the inside of fluting (14) is inserted and is equipped with dead lever (17), dead lever (17) extend the inside one end of fluting (14) and seted up the hole, and dead lever (17) cup joint the outer wall at axostylus axostyle (15), the outer wall of first fixed disk (13) is provided with cat ladder frame (18), fixed slot (19) have all been seted up to the both sides of cat ladder frame (18), fixed slot (19) cup joint the outer wall at dead lever (17), the inside intermediate position department fixed mounting of cat ladder frame (18) has cat ladder horizontal pole (.

2. A protection type scaffold convenient for workers to climb according to claim 1, characterized in that: the top lateral wall fixed mounting of support post (1) has removal universal wheel (3), and removes universal wheel (3) and be provided with four groups, four groups remove four corners that universal wheel (3) are located first backup pad (4) and second backup pad (5) respectively.

3. A protection type scaffold convenient for workers to climb according to claim 1, characterized in that: inlay hole (25) have been seted up to the outer wall of connecting rod (2), the hole has been seted up to the outer wall of second adapter sleeve (24), and the inner wall of hole inserts and is equipped with fixed inserted bar (26), the outer wall of fixed inserted bar (26) is provided with the screw thread, fixed inserted bar (26) and second adapter sleeve (24) threaded connection, fixed inserted bar (26) are inserted and are established the inside in embedding hole (25).

4. A protection type scaffold convenient for workers to climb according to claim 1, characterized in that: the top fixed mounting of first backup pad (4) and second backup pad (5) has hinge (6), logical groove (23) have all been seted up to the bottom both sides of second backup pad (5), the outer wall diameter that leads to groove (23) and the outer wall diameter looks adaptation of connecting rod (2), first backup pad (4) and second backup pad (5) rotate the connection, the size of second backup pad (5) and first backup pad (4) is the same.

5. A protection type scaffold convenient for workers to climb according to claim 1, characterized in that: the shape of the first sliding groove (7) is T-shaped, and the shape of the first sliding block (8) is matched with that of the first sliding groove (7).

6. A protection type scaffold convenient for workers to climb according to claim 1, characterized in that: the fixing plate (9) extends to one end fixed mounting of first connecting sleeve (10) inner wall has fixture block (11), first draw-in groove (12) have all been seted up to the inner wall both sides of first connecting sleeve (10), fixture block (11) are inserted and are established the inside in first draw-in groove (12), fixture block (11) and first connecting sleeve (10) sliding connection.

7. A protection type scaffold convenient for workers to climb according to claim 1, characterized in that: the outer wall of the shaft lever (15) is sleeved with a first pressure spring (16), two ends of the first pressure spring (16) are fixedly connected with the inner walls of the two sides of the groove (14) and a fixing rod (17) respectively, the fixing rod (17) is T-shaped, the fixing rod (17) is matched with the fixing groove (19) in shape, and the fixing rod (17) is slidably connected with the ladder stand outer frame (18).

8. A protection type scaffold convenient for workers to climb according to claim 1, characterized in that: the middle position department fixed mounting of cat ladder frame (18) has second fixed disk (21), second draw-in groove (22) have been seted up to the outer wall of second fixed disk (21), the shape of second draw-in groove (22) is the arc, and the both ends of second draw-in groove (22) are linked together with the top of fixed slot (19), the one end that fixed slot (19) were kept away from in second draw-in groove (22) is provided with the vertical groove.

9. A protection type scaffold convenient for workers to climb according to claim 1, characterized in that: the ladder stand outer frame (18) and the second fixed disc (21) are provided with two groups, and the ladder stand outer frames (18) are respectively positioned on two sides of the first supporting plate (4) and the second supporting plate (5).