CN211201091U

CN211201091U - Scaffold with cat ladder

Info

Publication number: CN211201091U
Application number: CN201921973999.2U
Authority: CN
Inventors: 王薛琳; 郑玉艳
Original assignee: Beijing Jiangnan Decoration Co ltd
Current assignee: Beijing Jiangnan Decoration Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-08-07
Anticipated expiration: 2029-11-14

Abstract

The utility model relates to a scaffold with cat ladder relates to the technical field of scaffold for the engineering, including the pedal, the rigid coupling has to support the pedal in subaerial first bracing piece, second bracing piece, third bracing piece and fourth bracing piece on the pedal, is provided with the columniform dead lever towards the second bracing piece on the first bracing piece, is provided with on the dead lever and supplies the staff to climb the cat ladder on the pedal. The climbing pedal has the characteristic of enabling operators to climb the pedal safely.

Description

Scaffold with cat ladder

Technical Field

The utility model belongs to the technical field of the technique of scaffold frame for the engineering and specifically relates to a scaffold frame with cat ladder is related to.

Background

Scaffolding refers to various supports erected on a construction site for workers to handle and solve vertical and horizontal transportation. The scaffold is widely applied to places such as warehouses, libraries, production workshops and the like due to the characteristics of small scaffold body, light weight, convenience in movement and the like.

As shown in fig. 1, a scaffold comprises a rectangular pedal 1, the pedal 1 is horizontally arranged, four corners of the lower surface of the pedal 1 are respectively provided with a first support rod 11, a second support rod 12, a third support rod 13 and a fourth support rod 14, the bottom ends of the first support rod 11, the second support rod 12, the third support rod 13 and the fourth support rod 14 are fixedly connected with a rectangular stabilizing plate 8 for increasing the contact area with the ground, the first support rod 11 and the second support rod 12 are positioned at the same end of the pedal 1, the third support rod 13 and the fourth support rod 14 are positioned at the same end of the pedal 1, in order to increase the stability of the scaffold, a first stabilizing rod 114 is fixedly connected between the first support rod 11 and the second support rod 12, a second stabilizing rod 121 is fixedly connected between the second stabilizing rod 12 and the third support rod 13, and a third stabilizing rod 131 is fixedly connected between the third support rod 13 and the fourth support rod 14, a fourth stabilizer bar 141 is fixed between the fourth support bar 14 and the first support bar 11.

When the operation personnel uses this kind of scaffold frame during operation, at first move the scaffold frame to predetermined position on, then climb up step 1 and carry out work, do not set up the device that is used for the operation personnel to climb up step 1 on the scaffold frame, so the operation personnel is mostly through climbing up step 1 or climbing up step 1 with the help of some external equipment (such as stool etc.) with the help of some supporting parts on the support frame along vertical direction, and the general weight of scaffold frame is lighter, when the operation personnel climbs up step 1 with vertical direction with the help of the support frame, the center of scaffold frame is kept away from to the position of staff, the too big and lead to the unstability of pulling force when the scaffold frame is very easy to climb because of the operation personnel, thereby there is certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scaffold frame, it has the characteristics that enable the comparatively safe climbing of operation personnel to go up the step board.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a scaffold with cat ladder, includes the step board, and the rigid coupling has to support the step board in subaerial first bracing piece, second bracing piece, third bracing piece and fourth bracing piece on the step board, is provided with the columniform dead lever towards the second bracing piece on the first bracing piece, is provided with on the dead lever to supply the staff to climb the cat ladder on the step board.

Through adopting above-mentioned technical scheme, can climb the step board through the cat ladder when the staff need climb on the step board, the staff has avoided giving the outside pulling force of scaffold frame when climbing on the step board through the cat ladder to make the staff climb the scaffold frame through the cat ladder more stable safety.

The utility model discloses further set up to: the ladder stand comprises a first connecting rod and a second connecting rod, a plurality of treading rods are fixedly connected between the first connecting rod and the second connecting rod, one end of the first connecting rod and one end of the second connecting rod are connected with a fixed rod, one end of the first connecting rod is fixedly connected with a first lantern ring, one end of the second connecting rod is fixedly connected with a second lantern ring, the first lantern ring and the second lantern ring are sleeved on the outer peripheral surface of the fixed rod and are respectively rotatably connected with the fixed rod, a first circular hole is formed in the end surface of the first connecting rod, away from the first lantern ring, a female thread is formed in the lower half part of the first circular hole, a first rotating rod is arranged in the first circular hole, a male thread is formed on the outer peripheral surface of the first rotating rod, the first rotating rod is in threaded connection with the lower half part of the first circular hole, the first rotating rod is connected with the upper half part of the first circular, the diameter of second rotary rod is less than first rotary rod, the second circular port has been seted up on the terminal surface of the one end that the second lantern ring was kept away from to the second connecting rod, the latter half in the circular port of second is seted up there is the internal thread, be provided with the third rotary rod in the circular port of second, set up the external screw thread on the outer peripheral face of third rotary rod, the latter half threaded connection of third rotary rod and second circular port, the third rotary rod slides with the first half of second circular port and is connected, the bottom rigid coupling of third rotary rod has the fourth rotary rod, the diameter ratio of fourth rotary rod is less than the diameter of third rotary rod, the fourth rotary rod slides with the second circular port.

Through adopting above-mentioned technical scheme, when the cat ladder is not used, through revolving second rotary rod and fourth rotary rod, revolve to the cavity of first circular port upper half with first rotary rod in, revolve to the cavity of second circular port upper half with the third rotary rod in, first rotary rod slides in the cavity of first circular port upper half this moment, the third rotary rod can slide in the cavity of second circular port upper half, the second rotary rod is because less than the diameter of first rotary rod, the second rotary rod can slide in first circular port, the fourth rotary rod is because less than the diameter of third rotary rod, the third rotary rod can slide in the second circular port. At this moment, the crawling ladder can be folded and placed to be in a vertical state, so that the crawling ladder cannot occupy too much space.

The utility model discloses further set up to: and a stop block for preventing the first lantern ring and the second lantern ring from sliding off the fixed rod is fixedly connected to one end of the fixed rod, which is far away from the first supporting rod.

Through adopting above-mentioned technical scheme, the dog can prevent that first lantern ring and second lantern ring from droing from the dead lever, makes the cat ladder safer when using.

The utility model discloses further set up to: the end of the fixed rod far away from the stop block is fixedly connected with a third lantern ring, an annular groove is formed in the outer peripheral surface of the first supporting rod, the third lantern ring is sleeved in the annular groove, and the third lantern ring is rotatably connected with the first supporting rod.

Through adopting above-mentioned technical scheme, if the cat ladder can't expand between first bracing piece and second bracing piece, can the swivel mount, expand the cat ladder rotatory to between first bracing piece and the fourth bracing piece for the cat ladder can adapt to more operational environment.

The utility model discloses further set up to: the lower surface rigid coupling of pedal has first fixed plate and second fixed plate, and first fixed plate is located between first bracing piece and the second bracing piece, and the second fixed plate is located between first bracing piece and the fourth bracing piece, has seted up first fixed orifices on the dog, has seted up the second fixed orifices on the first fixed plate, has seted up the third fixed orifices on the third baffle.

Through adopting above-mentioned technical scheme, when the cat ladder used, can wear to establish the bolt between dog and first fixed plate, perhaps wear to establish the bolt between dog and the second fixed plate and fix the dead lever for more stable when the cat ladder used.

The utility model discloses further set up to: the second rotary rod is fixedly connected with a first stress rod, and the fourth rotary rod is fixedly connected with a second stress rod.

Through adopting above-mentioned technical scheme, increased the stress point on second rotary rod and the fourth rotary rod for the rotatory laborsaving more of second rotary rod and fourth rotary rod.

The utility model discloses further set up to: the one end rigid coupling that the stress beam on the fourth rotary rod kept away from the fourth rotary rod has the gag lever post, and the gag lever post is perpendicular with the stress beam on the fourth rotary rod, and the gag lever post sets up downwards, and the rigid coupling has first staple bolt and second staple bolt on the first bracing piece, and first staple bolt is towards the second bracing piece, and the second staple bolt is towards the fourth bracing piece.

Through adopting above-mentioned technical scheme, when the cat ladder does not use, can fix the gag lever post with first staple bolt or second staple bolt, and then fix the cat ladder.

The utility model discloses further set up to: the utility model discloses a stabilizer bar, including first bracing piece, second bracing piece, third bracing piece, fourth bracing piece, the rigid coupling has first stabilizer bar between first bracing piece and the second bracing piece, the rigid coupling has the second stabilizer bar between second bracing piece and the third bracing piece, the rigid coupling has the third stabilizer bar between third bracing piece and the fourth bracing piece, the rigid coupling has the fourth stabilizer bar between fourth bracing piece and the first bracing piece.

Through adopting above-mentioned technical scheme, increased the relation of connection between first bracing piece, second bracing piece, third bracing piece and the fourth bracing piece, and then made more stable of scaffold frame.

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

1. the fixing rod is arranged on the first supporting rod, the ladder stand is arranged on the fixing rod, when a worker needs to climb onto the pedal, the worker can climb onto the pedal through the ladder stand, and when the worker climbs onto the pedal through the ladder stand, an outward pulling force is prevented from being applied to the scaffold, so that the scaffold is more stable and safe when the worker climbs onto the scaffold through the ladder stand;

2. the first lantern ring and the second lantern ring are arranged on the ladder stand, the lantern rings are sleeved on the fixed rod, the first connecting rod of the ladder stand is provided with the first circular hole, the second connecting rod of the ladder stand is provided with the second circular hole, the first rotary rod and the second rotary rod are arranged in the first circular hole, the third rotary rod and the fourth rotary rod are arranged in the second circular hole, when the ladder stand is not used, the first rotary rod is screwed into the cavity of the upper half part of the first circular hole by screwing the second rotary rod and the fourth rotary rod, the third rotary rod is screwed into the cavity of the upper half part of the second circular hole, at the moment, the first rotary rod slides in the cavity of the upper half part of the first circular hole, the third rotary rod can slide in the cavity of the upper half part of the second circular hole, the second rotary rod has a smaller diameter than the first rotary rod, and the second rotary, the fourth rotating rod can slide in the second circular hole because the diameter of the fourth rotating rod is smaller than that of the third rotating rod. At the moment, the crawling ladder can be folded in a vertical state in the rotary crawling ladder, so that the crawling ladder does not occupy too much space;

3. through the rigid coupling third lantern ring on the dead lever, set up the ring channel on first bracing piece, the third lantern ring rotates with the ring channel to be connected, if the cat ladder can't expand between first bracing piece and second bracing piece, can the rotatory dead lever, will launch the cat ladder rotatory to between first bracing piece and the fourth bracing piece for the cat ladder can adapt to more operational environment.

Drawings

FIG. 1 is a schematic view of the overall structure of a prior art scaffold;

FIG. 2 is a schematic view of the overall structure of the scaffold in this embodiment;

fig. 3 is a partially enlarged view of a portion a in fig. 2;

FIG. 4 is a schematic structural view of the ladder stand in this embodiment;

FIG. 5 is a schematic structural diagram of the fixing rod in the present embodiment;

fig. 6 is a schematic structural view of the scaffold after going out and climbing a ladder in the embodiment;

fig. 7 is a partially enlarged view of a portion B in fig. 6.

In the figure, 1, a pedal is stepped; 11. a first support bar; 111. an annular groove; 112. a first hoop; 113. a second hoop; 114. a first stabilizer bar; 12. a second support bar; 121. a second stabilizer bar; 13. a third support bar; 131. a third stabilizer bar; 14. a fourth support bar; 141. a fourth stabilizer bar; 2. climbing a ladder; 21. a first connecting rod; 211. a first collar; 22. a second connecting rod; 221. a second collar; 23. treading the lever; 3. fixing the rod; 31. a stopper; 311. a first fixing hole; 32. a third collar; 4. a first circular hole; 41. a first rotating rod; 42. a second rotating rod; 421. a first force-bearing rod; 5. a second circular hole; 51. a third rotating rod; 52. a fourth rotating rod; 521. a second force-bearing rod; 5211. a limiting rod; 6. a first fixing plate; 61. a second fixing hole; 7. a second fixing plate; 72. a third fixing hole; 8. and a stabilizing plate.

Detailed Description

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

As shown in fig. 2, the scaffold disclosed in the present invention comprises a rectangular pedal 1, the pedal 1 is horizontally disposed, four corners of the lower surface of the pedal 1 are respectively provided with a first support rod 11, a second support rod 12, a third support rod 13 and a fourth support rod 14, a first stabilizer bar 114 is fixedly connected between the first support rod 11 and the second support rod 12, a second stabilizer bar 121 is fixedly connected between the second support rod 12 and the third support rod 13, a third stabilizer bar 131 is fixedly connected between the third support rod 13 and the fourth support rod 14, a fourth stabilizer bar 141 is fixedly connected between the fourth support rod 14 and the first support rod 11, stabilizing plates 8 for increasing the contact area with the ground are fixedly connected at the bottom ends of the first support rod 11, the second support rod 12, the third support rod 13 and the fourth support rod 14, the first support rod 11 and the second support rod 12 are located at the same side of the pedal 1, the third support bar 13 and the fourth support bar 14 are located on the same side of the pedal 1.

As shown in fig. 2, a cylindrical fixing rod 3 is disposed on a side wall of the first support rod 11 facing the second support rod 12, the fixing rod 3 is perpendicular to the first support rod 11, a ladder 2 is disposed on the fixing rod 3, the ladder 2 includes a first connecting rod 21 and a second connecting rod 22, a plurality of treading rods 23 are fixedly connected between the first connecting rod 21 and the second connecting rod 22, and the plurality of treading rods 23 are uniformly distributed along the length direction of the first support rod 11 and the length direction of the second support rod 12.

As shown in fig. 2 and 4, the top end of the first connecting rod 21 is provided with a first collar 211, the top end of the first connecting rod 21 is fixed on the outer circumferential surface of the first collar 211, the top end of the second connecting rod 22 is fixed with a second collar 221, and the top end of the second connecting rod 22 is fixed on the outer circumferential surface of the second collar 221. The first collar 211 and the second collar 221 are both sleeved on the fixing rod 3, and the first collar 211 and the second collar 221 are rotatably connected with the fixing rod 3.

As shown in fig. 5, a rectangular stopper 31 is fixed to an end of the fixing rod 3 away from the first supporting rod 11, and the stopper 31 can prevent the first collar 211 and the second collar 221 from falling off from the fixing rod 3.

As shown in fig. 4, a first circular hole 4 is formed in the end surface of the first connecting rod 21 far away from one end of the first sleeve ring 211, the first circular hole 4 is distributed along the length direction of the first connecting rod 21, a second circular hole 5 is formed in the end surface of the second connecting rod 22 far away from one end of the second sleeve ring 221, and the second circular hole 5 is formed along the length direction of the second connecting rod 22. Be provided with first rotary rod 41 in first circular port 4, the external screw thread has been seted up on the outer peripheral face of first rotary rod 41, the internal thread has been seted up to the latter half of first circular port 4, the internal thread threaded connection in external screw thread on the first rotary rod 41 and the first circular port 4, the rigid coupling has second rotary rod 42 on the bottom terminal surface of first rotary rod 41, the tip rigid coupling of second rotary rod 42 is at the center of first rotary rod 41 bottom terminal surface, and the diameter of second rotary rod 42 is little than the diameter of first rotary rod 41. Second circular port 5 has been seted up on the terminal surface of second connecting rod 22 bottom, second circular port 5 is laid along the length direction of second connecting rod 22, set up the internal thread on the inner peripheral surface of second circular port 5 the latter half, be provided with third rotary rod 51 in the second circular port 5, the external screw thread has been seted up on third rotary rod 51's the outer peripheral face, third rotary rod 51 and 5 threaded connection of second circular port, the rigid coupling has fourth rotary rod 52 on the terminal surface of third rotary rod 51 bottom, the top rigid coupling of fourth rotary rod 52 is at the middle part of third rotary rod 51 bottom terminal surface, and third rotary rod 51's diameter ratio second rotary rod 42 is little.

When the ladder 2 is not used, the first rotating rod 41 is screwed into the cavity of the upper half part of the first circular hole 4 by screwing the second rotating rod 42 and the fourth rotating rod 52, the third rotating rod 51 is screwed into the cavity of the upper half part of the second circular hole 5, at the moment, the first rotating rod 41 slides in the cavity of the upper half part of the first circular hole 4, the third rotating rod 51 can slide in the cavity of the upper half part of the second circular hole 5, the second rotating rod 42 is smaller than the first rotating rod 41, the second rotating rod 42 can slide in the first circular hole 4, the fourth rotating rod 52 is smaller than the third rotating rod 51, and the third rotating rod 51 can slide in the second circular hole 5. At this time, in the rotary ladder stand 2, the ladder stand 2 can be stored in a vertical state, and the bottom ends of the second and fourth

rotating rods

42 and 52 are not in contact with the ground.

As shown in fig. 5, when the scaffold is used, the ladder 2 cannot be unfolded at a position between the first support bar 11 and the second support bar 12 due to a restriction of a place, and in order to allow the ladder 2 to be adapted to more environments, a third collar 32 is fixed to one end of the fixing rod 3 facing the first support bar 11, and an end of the fixing rod 3 is fixed to an outer circumferential surface of the third collar 32.

As shown in fig. 3 and 6, an annular groove 111 is formed in the outer peripheral surface of the first support rod 11, the third collar 32 is sleeved in the annular groove 111, and the third collar 32 is rotatably connected to the annular groove 111. If the ladder 2 cannot be unfolded between the first support bar 11 and the second support bar 12, the fixing lever 3 may be rotated to unfold the ladder 2 between the first support bar 11 and the fourth support bar 14.

As shown in fig. 1 and 6, one end of the fixing rod 3, which is far away from the first supporting rod 11, lacks corresponding fixation, which may cause instability of a worker when climbing, a first fixing plate 6 and a second fixing plate 7 are fixedly connected to the lower surface of the pedal 1, the first fixing plate 6 and the second fixing plate 7 are respectively perpendicular to the lower surface of the pedal 1, the first fixing plate 6 is located between the first supporting rod 11 and the second supporting rod 12, the first fixing plate 6 is close to the first supporting rod 11, a second fixing hole 61 is formed in the first fixing plate 6, and a third fixing hole 71 is formed in the second fixing plate.

As shown in fig. 1 and 5, the stopper 31 is provided with a first fixing hole 311, when the fixing rod 3 rotates to a position between the first supporting rod 11 and the second supporting rod 12, a side wall of the stopper 31 is attached to a side wall of the first fixing plate 6, and a bolt is inserted between the first fixing hole 311 and the second fixing hole 61. The second fixing plate 7 is located between the first supporting rod 11 and the fourth supporting rod 14, the second fixing plate 7 is close to the first supporting rod 11, when the fixing rod 3 rotates to a position between the first supporting rod 11 and the fourth supporting rod 14, the side wall of the stopper 31 is attached to the side wall of the second fixing plate 7, and at this time, a bolt is inserted between the first fixing hole 311 and the third fixing hole 71.

As shown in fig. 4, when the second rotating rod 42 and the fourth rotating rod 52 rotate, the second rotating rod 42 and the fourth rotating rod 52 lack a necessary stress point, so that the second rotating rod 42 and the fourth rotating rod 52 are hard to rotate, and in order to facilitate the rotation of the second rotating rod 42 and the fourth rotating rod 52, a cylindrical first stress rod 421 is fixedly connected to the outer circumferential surface of the bottom of the second rotating rod 42, the first stress rod 421 is perpendicular to the second rotating rod 42, a cylindrical second stress rod 521 is fixedly connected to the outer circumferential surface of the bottom of the fourth rotating rod 52, and the second stress rod 521 is perpendicular to the fourth rotating rod 52.

When the ladder stand 2 is not used, the ladder stand 2 can rotate to a vertical state, at the moment, the ladder stand 2 is lack of necessary fixation, in order to enable the ladder stand 2 to be fixed when not used, one end, away from the fourth rotating rod 52, of the second stress rod 521 is fixedly connected with a cylindrical limiting rod 5211, the limiting rod 5211 faces downwards vertically, and the limiting rod 5211 and the second stress rod 521 form an L-shaped rod.

As shown in fig. 6 and 7, a first anchor ear 112 and a second anchor ear 113 are fixedly connected to the side wall of the bottom of the first support bar 11, the first anchor ear 112 faces the second support bar 12, the second anchor ear 113 faces the fourth support bar 14, and both the first anchor ear 112 and the second anchor ear 113 are perpendicular to the first support bar 11. When the ladder stand 2 is located between the first support bar 11 and the second support bar 12, the first anchor ear 112 can be used to hold the stop bar 5211, and when the ladder stand 2 is located between the first support bar 11 and the fourth support bar 14, the second anchor ear 113 can be used to protect the stop bar 5211.

The implementation principle of the embodiment is as follows: when a worker needs to go up to the pedal 1 through the ladder stand 2, the worker holds the ladder stand 2 with both hands, then takes the limiting rod out of the first hoop 112 or the second hoop 113, the ladder stand 2 is rotated to enable the ladder stand 2 to be in an inclined position, then the first rotating rod 41 is matched with the internal thread in the first circular hole 4 by screwing the second rotating rod 42, at the moment, the first rotating rod 41 and the second rotating rod 42 are fixed, meanwhile, the length of the second rotating rod 42 extending out of the first circular hole 4 can be adjusted according to needs, the third rotating rod 51 is matched with the internal thread in the second circular hole 5 by screwing the fourth rotating rod 52, at the moment, the third rotating rod 51 and the fourth rotating rod 52 are fixed, and meanwhile, the length of the fourth rotating rod 52 extending out of the second circular hole 5 is adjusted, so that the length of the fourth rotating rod 52 extending out of the second circular hole 5 is the same as the length of the second rotating rod 42 extending out of the first circular hole 4, the staff can climb onto the step 1 through the ladder 2 at this moment.

If because of the restriction in place, when cat ladder 2 can't expand between first bracing piece 11 and second bracing piece 12, can twist the bolt between dog 31 and the first fixed plate 6 and get off, then rotatory dead lever 3 is worn to establish the bolt fastening between dog 31 and second fixed plate 7 to between first bracing piece 11 and the fourth bracing piece 14, then again to cat ladder 2 adjust can.

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

Claims

1. The utility model provides a scaffold with cat ladder which characterized in that: the novel climbing device comprises a pedal (1), wherein a first supporting rod (11), a second supporting rod (12), a third supporting rod (13) and a fourth supporting rod (14) which are used for supporting the pedal (1) on the ground are fixedly connected to the pedal (1), a cylindrical fixing rod (3) facing the second supporting rod (12) is arranged on the first supporting rod (11), and a ladder (2) for a worker to climb onto the pedal (1) is arranged on the fixing rod (3).

2. A scaffold with ladder as claimed in claim 1 wherein: the ladder stand (2) comprises a first connecting rod (21) and a second connecting rod (22), a plurality of treading rods (23) are fixedly connected between the first connecting rod (21) and the second connecting rod (22), one end of the first connecting rod (21) and one end of the second connecting rod (22) are connected with the fixed rod (3), one end of the first connecting rod (21) is fixedly connected with a first lantern ring (211), one end of the second connecting rod (22) is fixedly connected with a second lantern ring (221), the first lantern ring (211) and the second lantern ring (221) are sleeved on the outer peripheral surface of the fixed rod (3), the first lantern ring (211) and the second lantern ring (221) are respectively rotatably connected with the fixed rod (3), a first round hole (4) is formed in the end face, far away from the first lantern ring (211), an internal thread is formed in the lower half part of the first round hole (4), a first rotating rod (41) is arranged in the first round hole (4), the outer peripheral surface of the first rotating rod (41) is provided with an external thread, the first rotating rod (41) is in threaded connection with the lower half part of the first circular hole (4), the first rotating rod (41) is in sliding connection with the upper half part of the first circular hole (4), the bottom end of the first rotating rod (41) is fixedly connected with a second rotating rod (42), the diameter of the second rotating rod (42) is smaller than that of the first rotating rod (41), the end surface of one end, far away from the second lantern ring (221), of the second connecting rod (22) is provided with a second circular hole (5), the lower half part in the second circular hole (5) is provided with an internal thread, a third rotating rod (51) is arranged in the second circular hole (5), the outer peripheral surface of the third rotating rod (51) is provided with an external thread, the third rotating rod (51) is in threaded connection with the lower half part of the second circular hole (5), the third rotating rod (51) is, the bottom end of the third rotating rod (51) is fixedly connected with a fourth rotating rod (52), the diameter of the fourth rotating rod (52) is smaller than that of the third rotating rod (51), and the fourth rotating rod (52) is connected with the second circular hole (5) in a sliding mode.

3. A scaffold with ladder as claimed in claim 2 wherein: and a stop block (31) for preventing the first lantern ring (211) and the second lantern ring (221) from sliding off the fixed rod (3) is fixedly connected to one end of the fixed rod (3) far away from the first supporting rod (11).

4. A scaffold with ladder as claimed in claim 3 wherein: one end of the fixing rod (3) far away from the stop block (31) is fixedly connected with a third sleeve ring (32), an annular groove (111) is formed in the outer peripheral surface of the first supporting rod (11), the third sleeve ring (32) is sleeved in the annular groove (111), and the third sleeve ring (32) is rotatably connected with the first supporting rod (11).

5. A scaffold with ladder as claimed in claim 4 wherein: the lower surface rigid coupling of pedal (1) has first fixed plate (6) and second fixed plate (7), and first fixed plate (6) are located between first bracing piece (11) and second bracing piece (12), and second fixed plate (7) are located between first bracing piece (11) and fourth bracing piece (14), have seted up first fixed orifices (311) on dog (31), have seted up second fixed orifices (61) on first fixed plate (6), have seted up third fixed orifices (72) on the third baffle.

6. A scaffold with ladder as claimed in claim 5 wherein: the second rotating rod (42) is fixedly connected with a first stress rod (421), and the fourth rotating rod (52) is fixedly connected with a second stress rod (521).

7. A scaffold with ladder as claimed in claim 6 wherein: one end rigid coupling that the stress beam on fourth rotary rod (52) kept away from fourth rotary rod (52) has gag lever post (5211), and the stress beam on gag lever post (5211) and fourth rotary rod (52) is perpendicular, and gag lever post (5211) set up downwards, and the rigid coupling has first staple bolt (112) and second staple bolt (113) on first bracing piece (11), and first staple bolt (112) are towards second bracing piece (12), and second staple bolt (113) are towards fourth bracing piece (14).

8. A scaffold with ladder as claimed in claim 1 wherein: the rigid coupling has first stabilizer bar (114) between first bracing piece (11) and second bracing piece (12), the rigid coupling has second stabilizer bar (121) between second bracing piece (12) and third bracing piece (13), the rigid coupling has third stabilizer bar (131) between third bracing piece (13) and fourth bracing piece (14), the rigid coupling has fourth stabilizer bar (141) between fourth bracing piece (14) and first bracing piece (11).