CN219654210U - Well ladder operation platform - Google Patents

Abstract

The utility model provides a cross ladder operation platform, which relates to the technical field of outer wall construction and comprises the following components: the first support piece, the second support piece and the third support piece are respectively composed of four steel pipes with the same size, and folding pieces are arranged on the inner sides of the first support piece, the second support piece and the third support piece; the first support piece, the second support piece and the third support piece are assembled, the requirement of construction operation can be met, the number of steps is too large when the construction is reduced, the construction difficulty is increased, operation position adjustment can be conducted through the folding pieces at different positions, waiting time is saved, and cost improvement caused by reservation of a high-performance operation platform car is reduced.

Description

Well ladder operation platform

Technical Field

The utility model relates to the technical field of outer wall construction, in particular to a cross ladder operation platform.

Background

With the development and demand of economy, various refrigeration houses are increasingly put into construction, and the metal plate enclosure structure is also widely and increasingly used as the most common external wall panel of the refrigeration houses.

The conventional refrigerator is generally about 10-20 m in height, and the outer wall metal plate is installed by adopting a scaffold, a hanging basket, an overhead working platform car and the like for auxiliary construction, but the following problems exist when the scaffold, the hanging basket, the overhead working platform car and the like are adopted for construction:

when the scaffold is used for construction, the scaffold components are too many, and when the scaffold is assembled, the construction difficulty is increased due to too many assembling steps;

when the hanging basket and the high-speed working platform are adopted, the construction height can be adjusted only by frequent paging or control, so that the cost consumption is increased, and the operation steps and the waiting time are increased.

The utility model provides a cross ladder operating platform.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a cross ladder operation platform.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a cross ladder operating platform comprising: the first support piece, the second support piece and the third support piece are respectively composed of four steel pipes with the same size, and folding pieces are arranged on the inner sides of the first support piece, the second support piece and the third support piece; bottom locating holes are formed in four corners of the bottom of the first supporting piece, top locating rods are welded in four corners of the top of the second supporting piece, bottom locating rods are welded in four corners of the bottom of the second supporting piece, and top locating holes are formed in four corners of the top of the third supporting piece; the top locating rod is inserted into the bottom locating hole, and the bottom locating rod is inserted into the top locating hole.

As a preferred embodiment, the four corners of the bottom end of the third supporting piece are provided with positioning disks.

The technical effect of adopting the further scheme is as follows: the increased contact area with the ground prevents the utility model from shaking and tilting.

As a preferable implementation mode, the bottoms of the four positioning disks are all in threaded connection with ground inserting rods, and the bottoms of the four ground inserting rods are all in pointed cone structures.

The technical effect of adopting the further scheme is as follows: the ground inserting rod is fixedly embedded into the base soil and supported on the ground through the positioning disc, so that the ground inserting rod is prevented from continuously sinking into the soil, and the effect of operation and construction in the soil ground environment can be achieved.

As a preferable implementation mode, the inner sides of the tops of the first supporting pieces are respectively welded with a first connecting piece and a second connecting piece in a crossing mode, and the first connecting piece and the second connecting piece are movably connected through a rotating shaft.

As a preferred embodiment, the first connecting piece and the second connecting piece are sleeved with a falling protector.

The technical effect of adopting the further scheme is as follows: through hanging the safety hook on first connecting piece and second connecting piece, the two big safety belts that collude are worn to operating personnel accessible people, and one of them colludes the end and hangs on the safety hook, and another colludes the end and hangs on the folded piece, through the form of hanging low usefulness high, prevents that operating personnel from appearing the foot and sliding when the aloft work to lead to operating personnel to drop from the high altitude, lead to the human body to receive the damage.

As a preferred embodiment, an extension piece is welded on one side of the first support piece, and a mounting hole is formed in the extension piece.

The technical effect of adopting the further scheme is as follows: the metal outer wall can be fixed on the metal outer wall or at the top edge of the metal outer wall through fixing forms such as bolts and the like for reinforcement, so that the inclination of the metal outer wall is prevented when the large-amplitude inclination occurs.

As a preferred embodiment, the first, second and third supports are provided with folding members on the left and right inner sides, the front inner side and the back inner side; the space between folding pieces arranged on the left inner side, the right inner side and the back inner side of the first supporting piece, the second supporting piece and the third supporting piece is the same; and the space between the folding pieces arranged on the front surface of the first supporting piece is larger than the space between the folding pieces arranged on the left and right inner sides and the back inner side of the first supporting piece, the second supporting piece and the third supporting piece.

The technical effect of adopting the further scheme is as follows: the first support piece, the second support piece and the third support piece are left and right, and the back is inboard to set up the folded piece that the interval is 600mm, and the operating personnel can change the position of construction operation through pedal the folded piece of co-altitude, and first support piece, second support piece and the positive inboard folded piece that sets up the interval for 1800mm of third support piece accord with human normal height, avoid when constructing the metal wall, too many folded pieces influence the efficiency of construction, enlarge the interval and remain large tracts of land operating space.

As a preferred embodiment, the folder includes a first connection rod and a second connection rod welded to the left and right inner sides, the front inner side, and the back inner side of the first, second, and third supports; the bottoms of the first connecting rod and the second connecting rod are respectively provided with a first positioning hole; a fourth connecting rod is movably connected to one side of the first connecting rod, a third connecting rod is movably connected to one side of the second connecting rod, and the third connecting rod is connected with the fourth connecting rod; the top of the third connecting rod is provided with a second positioning hole, and the top of the fourth connecting rod is provided with a third positioning hole; the two ends of the third connecting rod are respectively welded with a first positioning rod and a second positioning rod, and the two ends of the fourth connecting rod are respectively welded with a third positioning rod and a fourth positioning rod; the third positioning rod is connected with a first positioning hole at the bottom of the first connecting rod, and the second positioning rod is connected with a first positioning hole at the bottom of the second connecting rod; the first locating rod is connected with a third locating hole at the top of a fourth connecting rod, and the fourth locating rod is connected with a second locating hole at the top of the third connecting rod.

The technical effect of adopting the further scheme is as follows: the utility model can be stored and unfolded, so that the occupied area can be reduced during storage.

Compared with the prior art, the utility model has the advantages and positive effects that,

the first support piece, the second support piece and the third support piece are assembled, so that the requirement of construction operation can be met, the problem that when a structure is too many, construction is caused, the number of steps is too many, and the construction difficulty is increased;

the operation position can be adjusted by pedaling folding pieces at different positions, so that the waiting time is saved, and the cost brought by reserving a high-performance operation platform car is increased;

through hanging the anti-falling device on the first connecting piece and the second connecting piece, an operator can wear the double-hook safety belt by people, and through a high-hanging low-use mode, the operator is prevented from slipping when working at high altitude, so that the operator falls from high altitude, the human body is damaged, the high altitude operation requirement of the operator is met, and a more convenient operation working face and enough safety protection conditions are provided;

the folding piece is designed to enable the folding and storage device to be folded and stored, so that the volume is reduced, and the occupied area during transportation and storage is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a ladder-shaped operating platform according to the present utility model;

fig. 2 is a schematic structural view of a first support member of a ladder-shaped operation platform according to the present utility model;

FIG. 3 is a schematic view of the structures of a first connector and a second connector of a ladder-shaped operating platform according to the present utility model;

fig. 4 is a schematic structural view of a second support member of the ladder operation platform according to the present utility model;

fig. 5 is a schematic structural view of a third support member of a ladder-shaped operation platform according to the present utility model;

fig. 6 is an exploded view of a folding member of a ladder-shaped operating platform according to the present utility model.

Legend description:

1. a first support; 11. A bottom positioning hole;

101. a first connector; 102. A second connector; 103. A rotating shaft;

2. a second support; 21. A top positioning rod; 22. A bottom positioning rod;

3. a third support; 31. a top positioning hole; 32. a positioning plate; 33. a ground rod;

4. a folding member; 41. a first connecting rod; 42. a second connecting rod; 43. a first positioning hole; 44. a third connecting rod; 441. a first positioning rod; 442. a second positioning rod; 443. a second positioning hole; 45. a fourth connecting rod; 451. a third positioning rod; 452. a fourth positioning rod; 453. a third positioning hole;

5. an extension member; 6. a falling protector.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1, 2, 4 and 5, the present utility model provides a technical solution: a cross ladder operating platform comprising: the first support piece 1, the second support piece 2 and the third support piece 3 are respectively composed of four phi 25 multiplied by 2.0 galvanized steel pipes with the same size, and folding pieces 4 are arranged on the inner sides of the first support piece 1, the second support piece 2 and the third support piece 3; bottom positioning holes 11 are formed in four corners of the bottom of the first support piece 1, top positioning rods 21 are welded in four corners of the top of the second support piece 2, bottom positioning rods 22 are welded in four corners of the bottom of the second support piece 2, and top positioning holes 31 are formed in four corners of the top of the third support piece 3; the top positioning rod 21 is inserted into the bottom positioning hole 11, the bottom positioning rod 22 is inserted into the top positioning hole 31, specifically, when in operation, the third support 3 is erected on the outer side of the metal wallboard, the space between the third support 3 and the third support is about 250-300 mm, the operation of workers is facilitated, then the second support 2 is placed on the top of the third support 3, the bottom positioning rod 22 is inserted into the top positioning hole 31, the first support 1 is placed on the top of the second support 2, the top positioning rod 21 is inserted into the bottom positioning hole 11, the first support 1 and the third support 3 are connected through the second support 2, and finally constructors support the folding pieces 4 on the inner sides of the first support 1, the second support 2 and the third support 3 through pedaling, so that the construction operation is performed on the metal wallboard; through this technical scheme, through split type first support piece 1, second support piece 2 and third support piece 3 design for the utility model is when transportation and depositing, and length reduction reduces occupation area, and through vertical type well ladder design, compares among the prior art and adopts scaffold frame, hanging flower basket, aerial working platform car etc. and has following advantage:

compared with a scaffold, the scaffold reduces the use of excessive structural members (about 7 scaffold single-layer assembly parts, two side surfaces, four cross-connection of the front surface and the back surface and at least one pedal at the top), and can complete the requirement of construction operation by assembling the first support piece 1, the second support piece 2 and the third support piece 3, so that the construction difficulty is increased due to excessive steps when the construction is caused by excessive structural members;

compared with a hanging basket and a high-performance working platform vehicle, the utility model reduces the operation program for controlling lifting, can adjust the working position by only pedaling the folding pieces 4 at different positions, saves waiting time and increases the cost brought by reserving the high-performance working platform vehicle.

Further, as shown in fig. 1 and 5: positioning disks 32 are arranged at four corners of the bottom end of the third supporting piece 3; the advantage of this solution is that the increased contact area with the ground, through the positioning plate 32, prevents the utility model from tilting during operation in a parallel cement environment.

In the above scheme, when earth construction is performed, due to the softness of the earth, the positioning plates 32 at the four corners of the bottom end of the third support member 3 may be sunk to different degrees, so that the problem of inclination of the present utility model is caused, as shown in fig. 1 and 5: in the scheme, the bottoms of the four positioning disks 32 are all in threaded connection with the ground inserting rods 33, and the bottom ends of the four ground inserting rods 33 are all in pointed cone structures; by additionally arranging four ground inserting rods 33 at the bottom of the positioning plate 32, the ground inserting rods 33 are embedded into the substrate soil during the construction of the soil, the embedded length of the ground inserting rods 33 is not less than 200mm, the ground inserting rods 33 can be embedded into the substrate soil and supported on the ground through the positioning plate 32, the ground inserting rods 33 are prevented from continuously sinking into the soil, and the effect of the operation construction under the soil environment can be realized.

Further, as shown in FIGS. 1-3: the inner side of the top of the first supporting piece 1 is respectively welded with a first connecting piece 101 and a second connecting piece 102 in a cross manner, the first connecting piece 101 and the second connecting piece 102 are arranged in an X shape, the first connecting piece 101 and the second connecting piece 102 are movably connected through a rotating shaft 103, and the first connecting piece 101 and the second connecting piece 102 are sleeved with a falling protector 6; the technical scheme has the advantages that through hanging the safety hook 6 on the first connecting piece 101 and the second connecting piece 102, an operator can wear the double-hook safety belt by people, one hook end is hung on the safety hook 6, the other hook end is hung on the folding piece 4, and through the form of high hanging and low use, the operator is prevented from slipping when working at high altitude, so that the operator falls from high altitude, and the human body is damaged.

In the above scheme, if the operator is in construction, the human body is inclined to a large extent, so that the problem of falling of the utility model caused by inclination is also solved, as shown in fig. 1-2: in the scheme, an extension piece 5 is welded on one side of a first support piece 1, and a mounting hole is formed in the extension piece 5; the technical scheme has the advantages that through the arrangement of the extension piece 5 and the arrangement of the installation hole on the extension piece 5, the utility model can be fixed on the metal outer wall or the top edge of the metal outer wall for reinforcement in a fixed mode such as a bolt, and the inclination of the utility model caused by the large inclination is prevented.

Further, as shown in fig. 1, 2, 4 and 5: the left and right inner sides, the front inner sides and the back inner sides of the first supporting piece 1, the second supporting piece 2 and the third supporting piece 3 are respectively provided with folding pieces 4, the space between the folding pieces 4 arranged on the left and right inner sides and the back inner sides of the first supporting piece 1, the second supporting piece 2 and the third supporting piece 3 is the same, the space is about 600mm, the space between the folding pieces 4 arranged on the front sides of the first supporting piece 1, the second supporting piece 2 and the third supporting piece 3 is larger than the space between the folding pieces 4 arranged on the left and right inner sides and the back inner sides of the first supporting piece 1, the second supporting piece 2 and the third supporting piece 3, and the space between the folding pieces 4 is about 1800mm; the advantage of this technical scheme is through controlling the inboard and back inboard at first support piece 1, second support piece 2 and third support piece 3 and setting up the folded piece 4 that the interval is 600mm, the operating personnel can change the position of construction operation through pedal folded piece 4 of different height, first support piece 1, second support piece 2 and third support piece 3 openly inboard set up the folded piece 4 that the interval is 1800mm, accord with human normal height, avoid when constructing the metal wall, too much folded piece 4 influences the efficiency of construction, enlarge the interval and remain the operating space of large tracts of land.

Further, as shown in fig. 1, 2, and 4-6: the folding piece 4 comprises a first connecting rod 41 and a second connecting rod 42 which are welded on the left inner side, the right inner side, the front inner side and the back inner side of the first supporting piece 1, the second supporting piece 2 and the third supporting piece 3, a first positioning hole 43 is formed in the bottoms of the first connecting rod 41 and the second connecting rod 42, a fourth connecting rod 45 is movably connected to one side of the first connecting rod 41 through a bolt, a third connecting rod 44 is movably connected to one side of the second connecting rod 42 through a bolt, a second positioning hole 443 is formed in the top of the third connecting rod 44 through a bolt between the third connecting rod 44 and the fourth connecting rod 45, a third positioning hole 453 is formed in the top of the fourth connecting rod 45, a first positioning rod 441 and a second positioning rod 442 are welded at two ends of the third connecting rod 44 respectively, a third positioning rod 451 and a fourth positioning rod 452 are welded at two ends of the fourth connecting rod 45 respectively, the third positioning rod 451 is connected to the first positioning hole 43 at the bottom of the first connecting rod 41, the second positioning rod 442 is connected to the first positioning hole 43 at the bottom of the second connecting rod 42, a second positioning rod 441 is connected to the third positioning hole 443 at the top of the fourth connecting rod 45, and the third positioning rod 44 is connected to the third positioning hole 453. The technical scheme is as follows:

when being stored, the first support 1, the second support 2 and the third support 3 are detached:

when the first supporting piece 1 is stored, the front and the back or the left side and the right side of the first supporting piece 1 are held by hand to push inwards, when resistance is received, the third connecting rod 44 and the fourth connecting rod 45 can be lifted by hands, so that the third connecting rod 44 and the fourth connecting rod 45 are lifted upwards in a crossed way by a straight-line structure, when lifting is carried out, the second positioning rod 442 and the third positioning rod 451 are separated from the first positioning holes 43 formed at the bottoms of the first connecting rod 41 and the second connecting rod 42 respectively and move downwards in an arc shape, and meanwhile, the first positioning rod 441 connected in the third positioning hole 453 at the top of the fourth connecting rod 45 and the fourth positioning rod 452 connected in the second positioning hole 443 at the top of the third connecting rod 44 are separated in an arc shape and move upwards, and the first connecting piece 101 and the second connecting piece 102 shrink on the rotating shaft 103 at the same time of separation, so that the first supporting piece 1 is stored inwards in a well-shaped structure, and the size is changed;

when the second supporting piece 2 is stored, the front and the back or the left side and the right side of the second supporting piece 2 are held by hand to push inwards, when resistance is received, the third connecting rod 44 and the fourth connecting rod 45 can be lifted by hands, so that the third connecting rod 44 and the fourth connecting rod 45 are lifted upwards in a crossed way by a straight-line structure, when lifting, the second positioning rod 442 and the third positioning rod 451 are separated from the first positioning holes 43 formed at the bottoms of the first connecting rod 41 and the second connecting rod 42 respectively and move downwards in an arc shape, and meanwhile, the first positioning rod 441 connected in the third positioning hole 453 at the top of the fourth connecting rod 45 and the fourth positioning rod 452 connected in the second positioning hole 443 at the top of the third connecting rod 44 are separated in an arc shape and move upwards, so that the second supporting piece 2 is stored inwards, and the volume is changed;

when the third supporting member 3 is stored, the front and the back or the left and the right sides of the third supporting member 3 are held by hand to push inwards, when the third supporting member 3 is subjected to resistance, the third connecting rod 44 and the fourth connecting rod 45 can be lifted by hands, so that the third connecting rod 44 and the fourth connecting rod 45 are lifted upwards in a crossed manner by a straight structure, when the third supporting member is lifted, the second positioning rod 442 and the third positioning rod 451 are separated from the first positioning holes 43 formed in the bottoms of the first connecting rod 41 and the second connecting rod 42 respectively and move downwards in an arc shape, and meanwhile, the first positioning rod 441 connected in the third positioning hole 453 at the top of the fourth connecting rod 45 and the fourth positioning rod 452 connected in the second positioning hole 443 at the top of the third connecting rod 44 are separated in an arc shape upwards, so that the third supporting member 3 is stored inwards, and the volume is changed.

At the time of deployment, the first support 1, the second support 2, and the third support 3 are deployed by two persons or one person, respectively:

when the first supporting member 1 is unfolded, two persons cooperate or pull the front and the back or the left and the right of the first supporting member 1 outwards by holding the two persons, when the first connecting member 101 and the second connecting member 102 which are contracted are gradually unfolded (the unfolding degree is X-shaped), meanwhile, the third connecting rod 44 and the fourth connecting rod 45 which are stored in a crossed manner are gradually unfolded, when the first supporting member 1 is unfolded into a linear structure (at the moment, the second positioning rod 442 at one end of the third connecting rod 44 moves upwards in an arc shape and finally is clamped in the first positioning hole 43 at the bottom of the second connecting rod 42, the third positioning rod 451 at one end of the fourth connecting rod 45 moves upwards in an arc shape and finally is clamped in the first positioning hole 43 at the bottom of the first connecting rod 41, and meanwhile, the second positioning rod 443 at the other end of the third connecting rod 44 moves downwards in an arc shape and finally is clamped in the second positioning hole 453 at the top of the third connecting rod 44), and the stretching is stopped, and finally the first supporting member 1 in a well shape is formed;

when the second supporting member 2 is unfolded, two persons cooperate or pull the second supporting member 2 outwards by holding the front and the back or the left and the right of the second supporting member 2, the third connecting rod 44 and the fourth connecting rod 45 which are stored in a crossed manner are gradually unfolded, when the second supporting member 2 is unfolded into a straight-line structure (at this time, the second positioning rod 442 at one end of the third connecting rod 44 moves upwards in an arc shape and finally is clamped in the first positioning hole 43 at the bottom of the second connecting rod 42, the third positioning rod 451 at one end of the fourth connecting rod 45 moves upwards in an arc shape and finally is clamped in the first positioning hole 43 at the bottom of the first connecting rod 41, meanwhile, the second positioning hole 443 at the other end of the third connecting rod 44 moves downwards in an arc shape and finally is clamped in the second positioning hole 443 at the top of the third connecting rod 44), and stretching is stopped, so that the second supporting member 2 in a well shape is finally formed;

when the third supporting member 3 is unfolded, two persons cooperate or pull the front and the back or the left and the right of the third supporting member 3 outwards by holding the front and the back or the left and the right of the third supporting member 3, the third connecting rod 44 and the fourth connecting rod 45 which are stored in a crossed manner are gradually unfolded, when the third supporting member 3 is unfolded into a straight-line structure (at this time, the second positioning rod 442 at one end of the third connecting rod 44 moves upwards in an arc shape and finally is clamped in the first positioning hole 43 at the bottom of the second connecting rod 42, the third positioning rod 451 at one end of the fourth connecting rod 45 moves upwards in an arc shape and finally is clamped in the first positioning hole 43 at the bottom of the first connecting rod 41, meanwhile, the second positioning hole 443 at the other end of the third connecting rod 44 moves downwards in an arc shape and finally is clamped in the second positioning hole 443 at the top of the third connecting rod 44), and stretching is stopped, so that the third supporting member 3 in a well shape is finally formed.

The first positioning rod 441 is engaged with the fourth positioning rod 452 when the third positioning hole 453 is in the second positioning hole 443, so that the folding member 4 is prevented from being stepped down by an operator, the folding member 4 is prevented from being stepped down, the operator is caused to fall off, and the body is damaged.

Working principle:

as shown in fig. 1-6:

before use:

the first support 1, the second support 2 and the third support 3 are respectively unfolded by two persons or one person:

when the first supporting member 1 is unfolded, two persons cooperate or pull the front and the back or the left and the right of the first supporting member 1 outwards by holding the two persons, when the first connecting member 101 and the second connecting member 102 which are contracted are gradually unfolded (the unfolding degree is X-shaped), meanwhile, the third connecting rod 44 and the fourth connecting rod 45 which are stored in a crossed manner are gradually unfolded, when the first supporting member 1 is unfolded into a linear structure (at the moment, the second positioning rod 442 at one end of the third connecting rod 44 moves upwards in an arc shape and finally is clamped in the first positioning hole 43 at the bottom of the second connecting rod 42, the third positioning rod 451 at one end of the fourth connecting rod 45 moves upwards in an arc shape and finally is clamped in the first positioning hole 43 at the bottom of the first connecting rod 41, and meanwhile, the second positioning rod 443 at the other end of the third connecting rod 44 moves downwards in an arc shape and finally is clamped in the second positioning hole 453 at the top of the third connecting rod 44), and the stretching is stopped, and finally the first supporting member 1 in a well shape is formed;

when the second supporting member 2 is unfolded, two persons cooperate or pull the second supporting member 2 outwards by holding the front and the back or the left and the right of the second supporting member 2, the third connecting rod 44 and the fourth connecting rod 45 which are stored in a crossed manner are gradually unfolded, when the second supporting member 2 is unfolded into a straight-line structure (at this time, the second positioning rod 442 at one end of the third connecting rod 44 moves upwards in an arc shape and finally is clamped in the first positioning hole 43 at the bottom of the second connecting rod 42, the third positioning rod 451 at one end of the fourth connecting rod 45 moves upwards in an arc shape and finally is clamped in the first positioning hole 43 at the bottom of the first connecting rod 41, meanwhile, the second positioning hole 443 at the other end of the third connecting rod 44 moves downwards in an arc shape and finally is clamped in the second positioning hole 443 at the top of the third connecting rod 44), and stretching is stopped, so that the second supporting member 2 in a well shape is finally formed;

when the third supporting member 3 is unfolded, two persons cooperate or pull the front and the back or the left and the right of the third supporting member 3 outwards by holding the front and the back or the left and the right of the third supporting member 3, the third connecting rod 44 and the fourth connecting rod 45 which are stored in a crossed manner are gradually unfolded, when the third supporting member 3 is unfolded into a straight-line structure (at this time, the second positioning rod 442 at one end of the third connecting rod 44 moves upwards in an arc shape and finally is clamped in the first positioning hole 43 at the bottom of the second connecting rod 42, the third positioning rod 451 at one end of the fourth connecting rod 45 moves upwards in an arc shape and finally is clamped in the first positioning hole 43 at the bottom of the first connecting rod 41, meanwhile, the second positioning hole 443 at the other end of the third connecting rod 44 moves downwards in an arc shape and finally is clamped in the second positioning hole 443 at the top of the third connecting rod 44), and stretching is stopped, and finally the third supporting member 3 in a well shape is formed;

erecting a third supporting piece 3 on the outer side of the metal wallboard, wherein the interval between the third supporting piece and the metal wallboard is about 250-300 mm;

(in the earth construction, four earth inserting rods 33 are additionally arranged at the bottom of the positioning plate 32, the earth inserting rods 33 are embedded into the foundation soil, the embedded length is not less than 200mm, and the earth inserting rods 33 can be embedded into the foundation soil and supported on the ground through the positioning plate 32, so that the earth inserting rods 33 are prevented from continuously sinking into the earth;

when working in parallel cement land environment: supported on the ground by the positioning plate 32, increased contact area with the ground);

placing the second support 2 on top of the third support 3 such that the bottom positioning rod 22 is inserted inside the top positioning hole 31, placing the first support 1 on top of the second support 2 such that the top positioning rod 21 is inserted inside the bottom positioning hole 11, and connecting the first support 1 and the third support 3 through the second support 2;

the extension 5 is fixed to the metal outer wall or the top edge of the metal outer wall by means of a fixing form such as a bolt or the like for reinforcement.

When the construction operation is carried out:

the constructor supports through pedal the first support piece 1, the second support piece 2 and the folding piece 4 of the inboard of third support piece 3, and during pedal, first locating lever 441 block with the inside effect of fourth locating lever 452 block in second locating hole 443 when the inside in third locating hole 453 can prevent that the operating personnel from pedal folding piece 4, and folding piece 4 takes place to move down the condition, and the operating personnel changes the position of construction operation through pedal folding piece 4 of different height to carry out construction operation to the metal wallboard.

When the construction is completed and is stored:

splitting the first support 1, the second support 2 and the third support 3;

when the first supporting piece 1 is stored, the front and the back or the left side and the right side of the first supporting piece 1 are held by hand to push inwards, when resistance is received, the third connecting rod 44 and the fourth connecting rod 45 can be lifted by hands, so that the third connecting rod 44 and the fourth connecting rod 45 are lifted upwards in a crossed way by a straight-line structure, when lifting is carried out, the second positioning rod 442 and the third positioning rod 451 are separated from the first positioning holes 43 formed at the bottoms of the first connecting rod 41 and the second connecting rod 42 respectively and move downwards in an arc shape, and meanwhile, the first positioning rod 441 connected in the third positioning hole 453 at the top of the fourth connecting rod 45 and the fourth positioning rod 452 connected in the second positioning hole 443 at the top of the third connecting rod 44 are separated in an arc shape and move upwards, and the first connecting piece 101 and the second connecting piece 102 shrink on the rotating shaft 103 at the same time of separation, so that the first supporting piece 1 is stored inwards in a well-shaped structure, and the size is changed;

when the second supporting piece 2 is stored, the front and the back or the left side and the right side of the second supporting piece 2 are held by hand to push inwards, when resistance is received, the third connecting rod 44 and the fourth connecting rod 45 can be lifted by hands, so that the third connecting rod 44 and the fourth connecting rod 45 are lifted upwards in a crossed way by a straight-line structure, when lifting, the second positioning rod 442 and the third positioning rod 451 are separated from the first positioning holes 43 formed at the bottoms of the first connecting rod 41 and the second connecting rod 42 respectively and move downwards in an arc shape, and meanwhile, the first positioning rod 441 connected in the third positioning hole 453 at the top of the fourth connecting rod 45 and the fourth positioning rod 452 connected in the second positioning hole 443 at the top of the third connecting rod 44 are separated in an arc shape and move upwards, so that the second supporting piece 2 is stored inwards, and the volume is changed;

when the third supporting piece 3 is stored, the front and the back or the left side and the right side of the third supporting piece 3 are held by hand to push inwards, when resistance is received, the third connecting rod 44 and the fourth connecting rod 45 can be lifted by hands, so that the third connecting rod 44 and the fourth connecting rod 45 are lifted upwards in a crossed way by a straight structure, when lifting, the second positioning rod 442 and the third positioning rod 451 are separated from the first positioning holes 43 formed at the bottoms of the first connecting rod 41 and the second connecting rod 42 respectively and move downwards in an arc shape, and meanwhile, the first positioning rod 441 connected in the third positioning hole 453 at the top of the fourth connecting rod 45 and the fourth positioning rod 452 connected in the second positioning hole 443 at the top of the third connecting rod 44 are separated in an arc shape and move upwards, so that the third supporting piece 3 is stored inwards, and the volume is changed;

the first, second and third supports 1, 2 and 3 are stored in places or transport vehicles, respectively.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (8)

1. A cross ladder operating platform, comprising: the folding device comprises a first supporting piece (1), a second supporting piece (2) and a third supporting piece (3), wherein the first supporting piece (1), the second supporting piece (2) and the third supporting piece (3) are respectively composed of four steel pipes with the same size, and folding pieces (4) are arranged on the inner sides of the first supporting piece (1), the second supporting piece (2) and the third supporting piece (3);

bottom locating holes (11) are formed in four corners of the bottom of the first supporting piece (1), top locating rods (21) are welded in four corners of the top of the second supporting piece (2), bottom locating rods (22) are welded in four corners of the bottom of the second supporting piece (2), and top locating holes (31) are formed in four corners of the top of the third supporting piece (3);

the top positioning rod (21) is inserted into the bottom positioning hole (11), and the bottom positioning rod (22) is inserted into the top positioning hole (31).

2. A stepladder operating platform according to claim 1, characterized in that: and positioning disks (32) are arranged at four corners of the bottom end of the third supporting piece (3).

3. A stepladder operating platform according to claim 2, characterized in that: the bottoms of the four positioning disks (32) are connected with ground inserting rods (33) in a threaded mode, and the bottoms of the four ground inserting rods (33) are of pointed cone structures.

4. A stepladder operating platform according to claim 1, characterized in that: the inner side of the top of the first supporting piece (1) is respectively welded with a first connecting piece (101) and a second connecting piece (102) in a crossing manner, and the first connecting piece (101) and the second connecting piece (102) are movably connected through a rotating shaft (103).

5. The stepladder operating platform of claim 4, wherein: the first connecting piece (101) and the second connecting piece (102) are sleeved with a falling protector (6).

6. The stepladder operating platform of claim 5, wherein: an extension piece (5) is welded on one side of the first support piece (1), and a mounting hole is formed in the extension piece (5).

7. A stepladder operating platform according to claim 1, characterized in that: folding pieces (4) are arranged on the left and right inner sides, the front inner side and the back inner side of the first supporting piece (1), the second supporting piece (2) and the third supporting piece (3);

the distances between folding pieces (4) arranged on the left inner side, the right inner side and the back inner side of the first supporting piece (1), the second supporting piece (2) and the third supporting piece (3) are the same;

and the distances among the folding pieces (4) arranged on the front sides of the first supporting piece (1), the second supporting piece (2) and the third supporting piece (3) are larger than the distances among the folding pieces (4) arranged on the left and right inner sides and the back inner sides of the first supporting piece (1), the second supporting piece (2) and the third supporting piece (3).

8. The stepladder operating platform of claim 7, wherein: the folding piece (4) comprises a first connecting rod (41) and a second connecting rod (42) which are welded on the left inner side, the right inner side, the front inner side and the back inner side of the first supporting piece (1), the second supporting piece (2) and the third supporting piece (3);

the bottoms of the first connecting rod (41) and the second connecting rod (42) are respectively provided with a first positioning hole (43);

a fourth connecting rod (45) is movably connected to one side of the first connecting rod (41), a third connecting rod (44) is movably connected to one side of the second connecting rod (42), and the third connecting rod (44) is connected with the fourth connecting rod (45);

a second positioning hole (443) is formed in the top of the third connecting rod (44), and a third positioning hole (453) is formed in the top of the fourth connecting rod (45);

a first positioning rod (441) and a second positioning rod (442) are respectively welded at two ends of the third connecting rod (44), and a third positioning rod (451) and a fourth positioning rod (452) are respectively welded at two ends of the fourth connecting rod (45);

the third positioning rod (451) is connected with a first positioning hole (43) at the bottom of the first connecting rod (41), and the second positioning rod (442) is connected with the first positioning hole (43) at the bottom of the second connecting rod (42);

the first positioning rod (441) is connected with a third positioning hole (453) at the top of a fourth connecting rod (45), and the fourth positioning rod (452) is connected with a second positioning hole (443) at the top of the third connecting rod (44).