CN212295548U - Safe type removes scaffold frame with adjustable height - Google Patents

Abstract

The application belongs to the technical field of building decoration, and relates to a height-adjustable safety type movable scaffold which is provided with four support rods, pedals, inclined support rods, climbing rods and guard rails, wherein the four support rods form a cuboid structure, and the climbing rods or the inclined support rods are fixedly arranged between the support rods; a stopping and moving device is arranged below the supporting rod; the method is characterized in that: the supporting rod has a special structure, the protective guard also has a special structure, and the height of the protective guard can be adjusted. The utility model discloses following main beneficial effect has: convenient to move, safer, easy to manufacture, low in cost and easy to adjust the height.

Description

Safe type removes scaffold frame with adjustable height

Technical Field

The utility model belongs to the technical field of the building decoration, especially, relate to a safe type removes scaffold frame with adjustable height.

Background

In building finishing construction, in order to reach a required height, a scaffold is generally adopted, and as shown in fig. 1, the scaffold is composed of a first support rod 11, a third support rod 13, a pedal 14, a diagonal support rod 15 and the like, and forms a long structure

The scaffold is unsafe, and operators easily rush out and fall off when the pedals 14 fall off to cause safety accidents; and the movement is inconvenient and the height can not be adjusted.

As shown in FIGS. 2 and 3, the scaffold is composed of a first support bar 11, a second support bar 12, a third support bar 13, a fourth support bar, a step plate 14, a diagonal support bar 15, a plurality of climbing bars 16, a first vertical bar 21, a second vertical bar 22, a third support bar 13, a fourth support bar, a fourth vertical,

The third longitudinal bar 23, the fourth longitudinal bar, the first cross bar 241, the second cross bar 242, the third cross bar 243, the fourth cross bar 244, etc. the first to fourth longitudinal bars of the guard rail are inserted into the first to fourth support bars, and the defects of this way are: many climb the pole and weld on the bracing piece, difficult dismantlement, the heavy difficult removal of weight, the rail guard height is difficult for adjusting, difficult removal.

As shown in fig. 4 and 5, the scaffolding is a combination and modification of fig. 1 to 3, with the addition of the stopping and moving means 3,

the stopping and moving device is composed of a first connecting part 31, a second connecting part 32, a first connecting rod 33, a second connecting rod 34, a third connecting rod 35, a fourth connecting rod 36, a universal wheel 37, a supporting part 38, a fifth connecting rod 39, a fixing nail 391, an adjusting rod 392 and the like, so that the scaffold can be conveniently and easily moved, meanwhile, the existence of the supporting part and the like enables the scaffold to be positioned and supported when in use, and can not move, topple and turn over, and meanwhile, the universal wheel is provided with a braking device; therefore, the movable type scaffold can move and turn, when an operator 8 stands on the pedal to work, the tool is easy to touch the ceiling T, and the operator cannot rush out of the scaffold due to the action of the guard rail; however, the climbing rod is welded on the support rod and is not easy to disassemble and move due to heavy weight; the height of the guard rail is not adjustable, so the efficiency is different for people with different heights. The stopping and moving device is a conventional device, which is easily available in a physical store, a treasure house, etc., so that the applicant does not describe the position relationship and the connection relationship of the above-mentioned components in the prior art in detail.

Therefore, the industry desires to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention discloses a height-adjustable safety movable scaffold, which is implemented by the following technical solutions.

A height-adjustable safe movable scaffold comprises a first supporting rod, a second supporting rod, a third supporting rod, a fourth supporting rod, a pedal, an inclined supporting rod, climbing rods and a protective guard, wherein the first supporting rod, the second supporting rod, the third supporting rod and the fourth supporting rod form a cuboid structure; or part of the diagonal brace is fixed between the first support rod and the four support rods, and part of the diagonal brace is fixed between the second support rod and the third support rod; the first support rod, the second support rod, the third support rod and the fourth support rod are the same; a stopping and moving device is arranged below the supporting rod; the method is characterized in that: the first support rod is internally provided with a support hole, an inner convex part protruding out of the inner wall of the first support rod is arranged in the support hole, and the inner convex part is provided with threads; the guard rail is composed of a first longitudinal rod, a second longitudinal rod, a third longitudinal rod, a fourth longitudinal rod, a first transverse rod, a second transverse rod, a third transverse rod, a fourth transverse rod, four connecting parts and four telescopic rods, wherein the first to fourth transverse rods are provided with a plurality of cross rods, the lower end of the first longitudinal rod is connected with the upper end of the first connecting part, the lower end of the first connecting part is connected with one end of the first telescopic rod, the lower end of the second longitudinal rod is connected with the upper end of the second connecting part, the lower end of the second connecting part is connected with one end of the second telescopic rod, the lower end of the third longitudinal rod is connected with the upper end of the third telescopic rod, the lower end of the fourth longitudinal rod is connected with the upper end of the fourth connecting part, the lower end of the fourth connecting part is connected with one end of the fourth telescopic rod, the first transverse rod is connected with the third longitudinal rod, and a second transverse rod is connected between the first longitudinal rod and the third longitudinal rod, the first cross rod connects the second longitudinal rod with the fourth longitudinal rod, the second cross rod is connected between the second longitudinal rod and the fourth longitudinal rod, the third cross rod connects the first longitudinal rod with the second longitudinal rod, the fourth cross rod is connected between the first longitudinal rod and the second longitudinal rod, the third cross rod connects the third longitudinal rod with the fourth longitudinal rod, the fourth cross rod is connected between the third longitudinal rod and the fourth longitudinal rod, the first longitudinal rod, the second longitudinal rod, the third longitudinal rod and the fourth longitudinal rod are the same, the connecting parts are the same, and the telescopic rods are the same; the connecting part is composed of two sleeve wall bodies which are inverted with each other, a first fixing element, a second fixing element and a third fixing element, wherein inner threads are arranged on the inner wall of each sleeve wall body, each sleeve wall body is in a bottle cap shape, a bottle cap hole is formed in the cover plate, the first fixing element is positioned in the upper sleeve wall body, the third fixing element is positioned in the lower sleeve wall body, the second fixing element penetrates through the bottle cap hole and fixedly connects the first fixing element and the third fixing element, the diameter of the first fixing element and the diameter of the third fixing element are both larger than that of the bottle cap hole, the first fixing element can rotate around the second fixing element, and the third fixing element can rotate around the second fixing element; the upper sleeve pipe wall body is rotationally fixed outside the lower end of the longitudinal rod, and the lower sleeve pipe wall body is rotationally fixed outside the upper end of the telescopic rod; the outer surface of the telescopic rod is provided with a plurality of protruding screwing parts, the screwing parts are spaced, and are provided with screw threads, the screwing parts penetrate through the support holes, and the screw threads on the screwing parts are screwed into the screw threads on the inner convex parts to combine the screwing parts and the support rod into a whole.

A height-adjustable safe movable scaffold comprises a first supporting rod, a second supporting rod, a third supporting rod, a fourth supporting rod, a pedal, an inclined supporting rod, climbing rods and a protective guard, wherein the first supporting rod, the second supporting rod, the third supporting rod and the fourth supporting rod form a cuboid structure; or part of the diagonal brace is fixed between the first support rod and the four support rods, and part of the diagonal brace is fixed between the second support rod and the third support rod; the first support rod, the second support rod, the third support rod and the fourth support rod are the same; a stopping and moving device is arranged below the supporting rod; the guard rail is composed of a first longitudinal rod, a second longitudinal rod, a third longitudinal rod, a fourth longitudinal rod, a first transverse rod, a second transverse rod, a third transverse rod and a fourth transverse rod; the method is characterized in that: the first support rod is internally provided with a first axial hole, the side wall of the first support rod is provided with a continuous first sliding chute, the first sliding chute penetrates through the first axial hole, a plurality of inserting holes are distributed on the first sliding chute at intervals, the bottom of each inserting hole is a placing surface, and the placing surface is a plane; the climbing rod is composed of a rod body, an extension part and a plug connector, wherein the extension part extends outwards from the center of the right and left side surfaces of the rod body, the plug connector is connected with the extension part, the extension part is of a cuboid structure, the plug connector is in a bow column shape, the height of the extension part is the same as that of the plug connector, the height of the extension part is smaller than that of the first sliding groove, the width of the extension part is not larger than that of the placement surface, the diameter of the plug connector is larger than that of the plugging hole, the width of the extension part is smaller than that of the plugging hole, the height of the extension part is smaller than that of the plugging hole, the width of the extension part is larger than that of the first sliding groove, the extension part and the plug connector extend into the first axial hole; the longitudinal rod of the guard rail is inserted into the axial hole of the support rod and fixed with the support rod.

The above-mentioned arched cylindrical shape means a portion of a cylinder which is cut off from the upper or lower surface downward in parallel with the axis and remains.

The height-adjustable safety movable scaffold is characterized in that the material of the first supporting rod is steel or iron or aluminum or copper or alloy.

The height-adjustable safety movable scaffold is characterized in that the first longitudinal rod is made of steel, iron, aluminum, copper or alloy.

The height-adjustable safe movable scaffold is characterized in that the diagonal brace is made of steel, iron, aluminum, copper or alloy.

The height-adjustable safe movable scaffold is characterized in that the first cross bar is made of steel, iron, aluminum, copper or alloy.

The height-adjustable safe movable scaffold is characterized in that the telescopic rod is made of steel, iron, aluminum, copper or alloy.

The safety movable scaffold with adjustable height is characterized in that the sleeve wall body is made of steel, iron, aluminum, copper or alloy.

The height-adjustable safe movable scaffold is characterized in that the first support rod is of an integrated structure.

The utility model discloses following main beneficial effect has: convenient to move, safer, easy to manufacture, low in cost and easy to adjust the height.

Drawings

Fig. 1 is a front view of a prior art scaffold.

Fig. 2 is a front view of a prior art scaffolding with a guard rail.

Fig. 3 is a side view of a prior art scaffolding with a guard rail.

Fig. 4 is a schematic construction view of a scaffold with a guard rail and a stopping and moving device in the prior art.

Fig. 5 is a partially enlarged schematic view of the stopping and moving device of fig. 4.

Fig. 6 is a schematic perspective view of a section of the protective barrier used in example 1 of the present application after dissection.

Fig. 7 is a schematic sectional structure view of a connection member used in fig. 6.

Fig. 8 is an enlarged schematic view of the telescopic rod and the peripheral member shown in fig. 6.

Fig. 9 is a schematic cross-sectional structure of a segment of a first support bar used in embodiment example 1 of the present application.

Fig. 10 is a perspective view showing a length of the first support rod used in example 2 after dissection.

Fig. 11 is a partially enlarged right side schematic view of fig. 10.

Fig. 12 is a perspective view showing a climbing rod used in embodiment example 2.

In order that those skilled in the art will more accurately and clearly understand and practice the present application, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, in which: 11-first support bar, 12-second support bar, 13-third support bar, 14-pedal, 15-diagonal bar, 16-climbing bar, 21-first longitudinal bar, 22-second longitudinal bar, 23-third longitudinal bar, 241-first crossbar, 242-second crossbar, 243-third crossbar, 244-fourth crossbar, T-ceiling, 8-worker, 3-stop and moving device, 31-first connecting member, 32-second connecting member, 33-first connecting member, 34-second connecting member, 35-third connecting member, 36-fourth connecting member, 37-universal wheel, 38-support member, 39-fifth connecting member, 391-fixing nail, 392-adjusting bar, 5-connecting member, 41-telescopic bar, 411-screwing member, 51-sleeve wall, 52-first fixing element, 53-second fixing element, 54-third fixing element, 511-internal thread, 110-internal convex member, 111-first axial hole, 112-plug hole, 113-first runner, 114-resting surface, 161-rod body, 162-extension, 163-plug.

Detailed Description

Examples 1

Referring to fig. 6 to 9 and fig. 1 to 5, a height-adjustable safety mobile scaffold comprises a first support rod 11, a second support rod 12, a third support rod 13, a fourth support rod, a pedal 14, an inclined support rod 15, climbing rods 16 and a guard rail, wherein the first support rod 11, the second support rod 12, the third support rod 13 and the fourth support rod form a rectangular structure, a plurality of climbing rods 16 are fixedly welded between the first support rod 11 and the second support rod 12, a plurality of climbing rods are fixedly welded between the third support rod 13 and the fourth support rod, the climbing rods are parallel to each other, the heights of the positions corresponding to the climbing rods on both sides of the first support rod are equal, the left and right ends of the pedal 14 are provided with extending hooking parts which hook the climbing rods on both sides of the first support rod, a part of the inclined support rod 15 is fixed between the first support rod 11 and the third support rod 13, part of the inclined supporting rod 15 is fixed between the second supporting rod 12 and the fourth supporting rod; or a part of the inclined supporting rod 15 is fixed between the first supporting rod 11 and the four supporting rods, and a part of the inclined supporting rod 15 is fixed between the second supporting rod 12 and the third supporting rod 13; the first support rod, the second support rod, the third support rod and the fourth support rod are the same; a stopping and moving device is arranged below the supporting rod; the method is characterized in that: the first support rod 11 is internally provided with a support hole, an inner convex part 110 which protrudes out of the inner wall of the first support rod is arranged in the support hole, and the inner convex part is provided with threads; the guard rail is composed of a first longitudinal rod 21, a second longitudinal rod 22, a third longitudinal rod 23, a fourth longitudinal rod, a first cross rod 241, a second cross rod 242, a third cross rod 243, a fourth cross rod 244, four connecting parts 5 and four telescopic rods 41, wherein the number of the first to fourth cross rods is multiple, the lower end of the first longitudinal rod 21 is connected with the upper end of the first connecting part 5, the lower end of the first connecting part 5 is connected with one end of the first telescopic rod 41, the lower end of the second longitudinal rod 22 is connected with the upper end of the second connecting part 5, the lower end of the second connecting part 5 is connected with one end of the second telescopic rod 41, the lower end of the third longitudinal rod 23 is connected with the upper end of the third connecting part 5, the lower end of the fourth longitudinal rod is connected with the upper end of the fourth connecting part 5, the lower end of the fourth connecting part 5 is connected with one end of the fourth telescopic rod 41, the first cross bar 241 connects the first longitudinal bar 21 with the third longitudinal bar 23, the second cross bar 242 is further connected between the first longitudinal bar 21 and the third longitudinal bar 23, the first cross bar 241 connects the second longitudinal bar 22 with the fourth longitudinal bar, the second cross bar 242 is further connected between the second longitudinal bar 22 and the fourth longitudinal bar, the third cross bar 243 connects the first longitudinal bar 21 with the second longitudinal bar 22, the fourth cross bar 244 is further connected between the first longitudinal bar 21 and the second longitudinal bar 22, the third cross bar 243 connects the third longitudinal bar 23 with the fourth longitudinal bar, the fourth cross bar 244 is further connected between the third longitudinal bar 23 and the fourth longitudinal bar, the first longitudinal bar, the second longitudinal bar, the third longitudinal bar and the fourth longitudinal bar are the same, the connecting members are the same, and the telescopic bars are the same; the connecting part 5 is composed of two sleeve wall bodies 51, a first fixing element 52, a second fixing element 53 and a third fixing element 54 which are inverted to each other, internal threads 511 are formed on the inner walls of the sleeve wall bodies, the sleeve wall bodies are in a bottle cap shape, a bottle cap hole is formed in the cover plate, the first fixing element 52 is positioned in the upper sleeve wall body 51, the third fixing element 54 is positioned in the lower sleeve wall body 51, the second fixing element 53 penetrates through the bottle cap hole and fixedly connects the first fixing element 52 with the third fixing element 54, the diameter of the first fixing element 52 and the diameter of the third fixing element 54 are both larger than that of the bottle cap hole, the first fixing element 52 can rotate around the second fixing element 53, and the third fixing element 54 can rotate around the second fixing element 53; the upper sleeve pipe wall body 51 is rotationally fixed outside the lower end of the longitudinal rod, and the lower sleeve pipe wall body 51 is rotationally fixed outside the upper end of the telescopic rod 41; the outer surface of the telescopic rod 41 is provided with a plurality of protruding screwing parts 411, the screwing parts 411 are spaced, the screwing parts 411 are provided with screw threads, the screwing parts 411 penetrate through the supporting holes, and the screw threads on the screwing parts 411 are screwed into the screw threads on the inner protruding parts to combine the screwing parts and the supporting rod into a whole.

In this embodiment, two cylinders stacked as an organic whole in the connecting part, the major diameter be first fixed component, the minor diameter be the second fixed component, another also is, after falling over, adopt the round pin to pin as an organic whole after cup jointing between two little cylinders, can also realize the connection of this application like this.

In the implementation example, the stopping is realized through the stopping and moving device, and the support is safely supported, cannot topple over, cannot roll or move during working; the universal wheels are used for realizing convenient movement; the fixing of the operating personnel is realized through the guard rail, the vertical height adjustment of the guard rail is realized through the connection of a plurality of protruded screwing components with gaps on the telescopic rod and the threads on the inner convex components, the telescopic rod can be suitable for different operating personnel, the operating efficiency is higher, and the safety is higher; in the embodiment, the diameter of the main body part of the telescopic rod is smaller than that of the supporting hole, the diameter of the screwing part is smaller than that of the supporting hole, and the diameter of the screwing part is slightly larger than that of the inner convex part, so that the connection reliability is ensured, the screwing part can be screwed downwards continuously when the guardrail is shortened, and the screwing part can be screwed upwards when the guardrail is stretched.

EXAMPLES example 2

Referring to fig. 10 to 12 and fig. 1 to 5, a height-adjustable safety type mobile scaffold has a first support rod 11, a second support rod 12, a third support rod 13, a fourth support rod, and a step plate 14, the climbing device comprises a diagonal brace 15, climbing rods 16 and guard rails, wherein a first support rod 11, a second support rod 12, a third support rod 13 and a fourth support rod form a cuboid structure, a plurality of climbing rods 16 are arranged between the first support rod 11 and the second support rod 12, a plurality of climbing rods are fixedly welded between the third support rod 13 and the fourth support rod, the climbing rods are parallel to each other, the heights of the climbing rods on two sides of the first support rod are equal, extending hook-out parts are arranged at the left end and the right end of a pedal 14, the hook-out parts are hooked on the climbing rods on two sides of the first support rod, part of the diagonal brace 15 is fixed between the first support rod 11 and the third support rod 13, and part of the diagonal brace 15 is fixed between the second support rod 12 and the fourth support rod; or a part of the inclined supporting rod 15 is fixed between the first supporting rod 11 and the four supporting rods, and a part of the inclined supporting rod 15 is fixed between the second supporting rod 12 and the third supporting rod 13; the first support rod, the second support rod, the third support rod and the fourth support rod are the same; a stopping and moving device is arranged below the supporting rod; the guard rail is composed of a first longitudinal rod, a second longitudinal rod, a third longitudinal rod, a fourth longitudinal rod, a first transverse rod, a second transverse rod, a third transverse rod and a fourth transverse rod; the method is characterized in that: the first support rod 11 is internally provided with a first axial hole 111, the side wall of the first support rod 11 is provided with a continuous first sliding chute 113, the first sliding chute 113 penetrates through the first axial hole 111, a plurality of inserting holes 112 are distributed on the first sliding chute 113 at intervals, the bottom of each inserting hole 112 is a resting surface 114, and the resting surface is a plane; the climbing rod 16 is composed of a rod body 161, an extension part 162 and a plug-in connector 163, the extension part 162 extends outwards from the right and left side surfaces of the rod body 161, the plug-in connector 163 is connected with the extension part 162, the extension part 162 is of a cuboid structure, the plug-in connector 163 is of an arch column shape, the height of the extension part 162 is the same as that of the plug-in connector 163, the height of the extension part 162 is smaller than the width of the first sliding groove 113, the width of the extension part 162 is not larger than that of the placement surface 114, the diameter of the plug-in connector 163 is larger than that of the plug-in hole 112, the width of the extension part 162 is smaller than that of the plug-in hole 112, the width of the extension part 162 is larger than that of the first sliding groove 113, the extension part 162 and the plug-in connector 163 extend into the first axial hole 111, and the width direction of; the longitudinal rod of the guard rail is inserted into the axial hole of the support rod and fixed with the support rod.

In this application, the diameter of the spigot is smaller than the diameter of the first axial bore.

The above-mentioned arched cylindrical shape means a portion of a cylinder which is cut off from the upper or lower surface downward in parallel with the axis and remains.

In this embodiment, the extension portion 162 and the plug 163 of the climbing rod 16 can slide up and down in the first sliding groove 113 and can be put in and taken out, so that the climbing rod is convenient to detach and move; the size relationship between the extension portion 162, the plug 163 and the first sliding groove 113 makes the extension portion 162 not be taken out under normal conditions after being put in by rotation, and is safer and more reliable.

The safety movable scaffold with adjustable height according to any embodiment of the invention is characterized in that the material of the first supporting rod is steel or iron or aluminum or copper or alloy.

The safety movable scaffold with adjustable height in any embodiment is characterized in that the material of the first longitudinal rod is steel or iron or aluminum or copper or alloy.

The safety movable scaffold with adjustable height in any embodiment example is characterized in that the material of the inclined supporting rods is steel or iron or aluminum or copper or alloy.

The safety movable scaffold with adjustable height in any embodiment is characterized in that the material of the first cross bar is steel or iron or aluminum or copper or alloy.

The safety movable scaffold with adjustable height in any embodiment example is characterized in that the telescopic rod is made of steel, iron, aluminum, copper or alloy.

The safety movable scaffold with adjustable height in any embodiment is characterized in that the material of the sleeve wall is steel or iron or aluminum or copper or alloy.

The safety movable scaffold with adjustable height in any embodiment example is characterized in that the first supporting rod is of an integrated structure.

The present application solves all technical problems of the background art.

In this application, realized the regulation of height and the convenient dismantlement of climbing the pole, made the portability stronger.

In the present application, embodiment example 1 may also be combined with embodiment example 2.

In the present application, the scaffolding section in the prior art section can also be two or more layers, which can increase the height.

The utility model discloses following main beneficial effect has: convenient to move, safer, easy to manufacture, low in cost and easy to adjust the height.

The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limitations of the present invention. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims (10)

1. A height-adjustable safety type movable scaffold comprises a first supporting rod (11), a second supporting rod (12), a third supporting rod (13), a fourth supporting rod, a pedal (14), inclined supporting rods (15), climbing rods (16) and guard rails, wherein the first supporting rod (11), the second supporting rod (12), the third supporting rod (13) and the fourth supporting rod form a cuboid structure, a plurality of climbing rods (16) are fixedly welded between the first supporting rod (11) and the second supporting rod (12), a plurality of climbing rods are fixedly welded between the third supporting rod (13) and the fourth supporting rod and are parallel to each other, the heights of the corresponding positions of the climbing rods on the two sides of the first supporting rod are equal, extending hook-out parts are arranged at the left end and the right end of the pedal (14), the hook-out hook parts are hooked on the climbing rods on the two sides of the first supporting rod, part of the inclined supporting rods (15) are fixed between the first supporting rod (11) and the third supporting rod (13), part of the inclined supporting rod (15) is fixed between the second supporting rod (12) and the fourth supporting rod; or a part of diagonal brace (15) is fixed between the first support rod (11) and the four support rods, and a part of diagonal brace (15) is fixed between the second support rod (12) and the third support rod (13); the first support rod, the second support rod, the third support rod and the fourth support rod are the same; a stopping and moving device is arranged below the supporting rod; the method is characterized in that: the first supporting rod (11) is internally provided with a supporting hole, an inner convex part (110) which protrudes out of the inner wall of the first supporting rod is arranged in the supporting hole, and the inner convex part is provided with threads; the guard rail is composed of a first longitudinal rod (21), a second longitudinal rod (22), a third longitudinal rod (23), a fourth longitudinal rod, a first transverse rod (241), a second transverse rod (242), a third transverse rod (243), a fourth transverse rod (244), four connecting parts (5) and four telescopic rods (41), wherein the number of the first transverse rod to the fourth transverse rod is multiple, the lower end of the first longitudinal rod (21) is connected with the upper end of the first connecting part (5), the lower end of the first connecting part (5) is connected with one end of the first telescopic rod (41), the lower end of the second longitudinal rod (22) is connected with the upper end of the second connecting part (5), the lower end of the second connecting part (5) is connected with one end of the second telescopic rod (41), the lower end of the third longitudinal rod (23) is connected with the upper end of the third connecting part (5), the lower end of the third connecting part (5) is connected with one end of the third telescopic rod (, the lower end of a fourth longitudinal rod is connected with the upper end of a fourth connecting part (5), the lower end of the fourth connecting part (5) is connected with one end of a fourth telescopic rod (41), a first transverse rod (241) connects the first longitudinal rod (21) with the third longitudinal rod (23), a second transverse rod (242) is further connected between the first longitudinal rod (21) and the third longitudinal rod (23), a second transverse rod (22) is connected between the second longitudinal rod (22) and the fourth longitudinal rod through the first transverse rod (241), a second transverse rod (242) is further connected between the third longitudinal rod (243) and the fourth longitudinal rod (22), a fourth transverse rod (244) is further connected between the first longitudinal rod (21) and the second longitudinal rod (22), a third transverse rod (243) connects the third longitudinal rod (23) with the fourth longitudinal rod, and a fourth transverse rod (244) is further connected between the third longitudinal rod (23) and the fourth longitudinal rod, the first longitudinal rod, the second longitudinal rod, the third longitudinal rod and the fourth longitudinal rod are the same, the connecting parts are the same, and the telescopic rods are the same; the connecting part (5) is formed by two mutually inverted sleeve walls (51), a first fixing element (52), a second fixing element (53) and a third fixing element (54), the inner wall of the sleeve wall body is provided with internal threads (511), the sleeve wall body is in a bottle cap shape, the cover plate is provided with a bottle cap hole, the first fixing element (52) is positioned in the upper sleeve wall body (51), the third fixing element (54) is positioned in the lower sleeve wall body (51), the second fixing element (53) penetrates through the bottle cap hole and fixedly connects the first fixing element (52) and the third fixing element (54), the diameter of the first fixing element (52) and the diameter of the third fixing element (54) are both larger than that of the bottle cap hole, the first fixing element (52) can rotate around the second fixing element (53), and the third fixing element (54) can rotate around the second fixing element (53); the upper sleeve pipe wall body (51) is rotationally fixed outside the lower end of the longitudinal rod, and the lower sleeve pipe wall body (51) is rotationally fixed outside the upper end of the telescopic rod (41); the outer surface of the expansion link (41) is provided with a plurality of protruding screwing parts (411), intervals are reserved between the screwing parts (411), threads are arranged on the screwing parts (411), the screwing parts (411) penetrate through the support hole, and the threads on the screwing parts (411) are screwed into the threads on the inner protruding parts to enable the screwing parts and the support rod to be combined into a whole.

2. A height adjustable safety mobile scaffold according to claim 1, wherein the material of said first support bar is steel or aluminium or copper.

3. A height adjustable safety mobile scaffold according to claim 1, wherein said first longitudinal bar is made of steel or aluminum or copper.

4. A height adjustable safety mobile scaffold according to claim 1, wherein the material of said diagonal braces is steel or aluminum or copper.

5. The height-adjustable safety mobile scaffold according to claim 1, wherein the material of said telescoping rod is steel or aluminum or copper.

6. A height-adjustable safety movable scaffold comprises a first supporting rod (11), a second supporting rod (12), a third supporting rod (13), a fourth supporting rod, a pedal (14), an inclined supporting rod (15), climbing rods (16) and guard rails, wherein the first supporting rod (11), the second supporting rod (12), the third supporting rod (13) and the fourth supporting rod form a cuboid structure, a plurality of climbing rods (16) are arranged between the first supporting rod (11) and the second supporting rod (12), a plurality of climbing rods are fixedly welded between the third supporting rod (13) and the fourth supporting rod and are parallel to each other, the heights of the corresponding positions of the climbing rods on the two sides of the first supporting rod are equal, extending hook-out parts are arranged at the left end and the right end of the pedal (14), the hook-out parts are hooked on the climbing rods on the two sides of the first supporting rod, part of the inclined supporting rod (15) is fixed between the first supporting rod (11) and the third supporting rod (13), part of the inclined supporting rod (15) is fixed between the second supporting rod (12) and the fourth supporting rod; or a part of diagonal brace (15) is fixed between the first support rod (11) and the four support rods, and a part of diagonal brace (15) is fixed between the second support rod (12) and the third support rod (13); the first support rod, the second support rod, the third support rod and the fourth support rod are the same; a stopping and moving device is arranged below the supporting rod; the guard rail is composed of a first longitudinal rod, a second longitudinal rod, a third longitudinal rod, a fourth longitudinal rod, a first transverse rod, a second transverse rod, a third transverse rod and a fourth transverse rod; the method is characterized in that: a first axial hole (111) is formed in the first support rod (11), a continuous first sliding groove (113) is formed in the side wall of the first support rod (11), the first sliding groove (113) penetrates through the first axial hole (111), a plurality of inserting holes (112) are distributed on the first sliding groove (113) at intervals, the bottom of each inserting hole (112) is a placing surface (114), and the placing surface is a plane; the climbing rod (16) is composed of a rod body (161), an extension part (162) and a plug connector (163), the extension part (162) extends outwards from the center of the left side surface and the right side surface of the rod body (161), the plug connector (163) is connected with the extension part (162), the extension part (162) is of a cuboid structure, the plug connector (163) is of an arched column shape, the height of the extension part (162) is the same as that of the plug connector (163), the height of the extension part (162) is smaller than that of the first sliding groove (113), the width of the extension part (162) is not larger than that of the placement surface (114), the diameter of the plug connector (163) is larger than that of the plug hole (112), the width of the extension part (162) is smaller than that of the plug hole (112), the height of the extension part (162) is smaller than that of the plug hole (112), the width of the extension part (162) is larger than that of the first sliding groove (113), and the extension part (162) and the plug connector (163) extend into the first axial, the width direction of the extension part (162) is placed on the resting surface (114); the longitudinal rod of the guard rail is inserted into the axial hole of the support rod and fixed with the support rod.

7. A height adjustable safety mobile scaffold according to claim 6, wherein the material of said first support bar is iron or aluminium or copper or alloy.

8. A height adjustable safety mobile scaffold according to claim 6, wherein the material of said diagonal struts is iron or aluminium or copper or alloy.

9. A height adjustable safety mobile scaffold according to claim 6, wherein the material of said first rail is iron or aluminum or copper or alloy.

10. A height adjustable safety mobile scaffold according to claim 6, wherein said first support bar is a one-piece structure.

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