CN220247527U - Telescopic scaffold - Google Patents

Abstract

The utility model provides a telescopic scaffold, which relates to the technical field of building construction and comprises a first upright post, a second upright post, a third upright post, a fourth upright post, a first telescopic rod and a second telescopic rod, wherein the first upright post, the second upright post, the third upright post and the fourth upright post are arranged in a rectangular shape, two first telescopic rods are respectively connected between the first upright post and the second upright post and between the third upright post and the fourth upright post at intervals, and two second telescopic rods are respectively connected between the first upright post and the fourth upright post and between the second upright post and the third upright post at intervals. Compared with the prior art, the telescopic scaffold can adjust the whole length and width of the scaffold according to different workplaces so as to adapt to different workplaces.

Description

Telescopic scaffold

Technical Field

The utility model relates to the technical field of building construction, in particular to a telescopic scaffold.

Background

The scaffold is a working platform which is erected to ensure that each construction process is carried out smoothly.

In the construction, road and bridge construction or ship construction industry, the scaffold is used, but the length and/or width of the existing scaffold are usually fixed, and cannot be adjusted according to the actual conditions of the site, so that the worker is limited in use, and the practicability is reduced.

For example, when scaffolds are used for house or corridor interior decoration, there is a problem that the scaffolds cannot enter the unit door or interfere with stairs.

Disclosure of Invention

The utility model aims to solve the problems that: how to provide a scaffold with adjustable length and width dimensions to solve the problems set forth in the background art.

The utility model provides a telescopic scaffold, comprising: the telescopic device comprises a first upright, a second upright, a third upright, a fourth upright, a first telescopic rod and a second telescopic rod, wherein the first upright, the second upright, the third upright and the fourth upright are arranged in a rectangular shape, two first telescopic rods are respectively connected between the first upright and the second upright and between the third upright and the fourth upright at intervals, and two second telescopic rods are respectively connected between the first upright and the fourth upright and between the second upright and the third upright at intervals; the first telescopic rod comprises a first steel pipe and a second steel pipe, wherein the first steel pipe is of a cavity structure with an opening at the end part, and the second steel pipe is movably connected with the first steel pipe; a first escalator is arranged between the two first telescopic rods positioned between the first upright post and the second upright post, the first escalator comprises a first vertical rod and a first horizontal rod, two ends of the first vertical rod are respectively connected with the two first steel pipes, and a plurality of first horizontal rods are connected between the first vertical rod and the second upright post at intervals; the second telescopic rod comprises a third steel pipe and a fourth steel pipe, wherein the third steel pipe is of a cavity structure with an opening at the end part, and the fourth steel pipe is movably connected with the third steel pipe; the second escalator is arranged between the two second telescopic rods and positioned between the first upright post and the fourth upright post, the second escalator comprises a second vertical rod and a second horizontal rod, two ends of the second vertical rod are respectively connected with the two third steel pipes, and a plurality of second horizontal rods are connected between the second vertical rod and the fourth upright post at intervals.

Compared with the prior art, the telescopic scaffold provided by the utility model has the following beneficial effects:

the whole length and width of the scaffold can be adjusted according to different workplaces when the telescopic scaffold is used, and particularly when the whole volume of the scaffold needs to be reduced, the first telescopic rods between the first upright post and the second upright post and between the third upright post and the fourth upright post are contracted, and then the second telescopic rods between the first upright post and the fourth upright post and between the second upright post and the third upright post are contracted, so that the whole volume of the scaffold can be reduced, and the whole volume of the scaffold can be conveniently reduced through narrow channels such as a unit door, and when the whole expansion of the scaffold is needed, the whole expansion of the scaffold can be realized through the extension of the first telescopic rods and the second telescopic rods. Compared with the prior art, the telescopic scaffold provided by the utility model has the advantages that the overall length and the width of the scaffold can be changed by adjusting the lengths of the first telescopic rod and the second telescopic rod, so that the telescopic scaffold is suitable for different working occasions.

Optionally, this telescopic scaffold still includes first stop gear, every be provided with respectively on the first telescopic link first stop gear, first stop gear includes first otic placode, second otic placode, first long screw rod and first nut, first otic placode connect in the second steel pipe is kept away from the tip of first steel pipe, the second otic placode connect in the first steel pipe is close to the tip of second steel pipe, first through-hole has been seted up on the first otic placode, the second through-hole has been seted up on the second otic placode, first long screw rod run through in proper order in first through-hole with the second through-hole, first nut threaded connection in first long screw rod.

Optionally, this telescopic scaffold still includes second stop gear, every be provided with respectively on the second telescopic link second stop gear, second stop gear includes third otic placode, fourth otic placode, second long screw rod and second nut, the third otic placode connect in the fourth steel pipe is kept away from the tip of third steel pipe, the fourth otic placode connect in the third steel pipe is close to the tip of fourth steel pipe, the third through-hole has been seted up on the third otic placode, the fourth through-hole has been seted up on the fourth otic placode, the second long screw rod run through in proper order in third through-hole with fourth through-hole, second nut threaded connection in the long screw rod of second.

Optionally, the telescopic scaffold further comprises an upper supporting plate, wherein the upper supporting plate is detachably connected to the upper ends of the first upright post, the second upright post, the third upright post and the fourth upright post.

Optionally, the upper ends of the first upright, the second upright, the third upright and the fourth upright are respectively provided with a first supporting block, each first supporting block is respectively provided with a first limiting protrusion in an L shape, and the upper supporting plate is used for being placed on four first supporting blocks.

Optionally, two second telescopic links that are located the upper portion are provided with the second supporting shoe respectively, two be provided with the second spacing arch that is the T shape on the second supporting shoe respectively, go up backup pad including the first board and the second board that the components of a whole that can function independently set up, first board is used for placing two wherein first supporting shoes and two on the second supporting shoe, the second board is used for placing two other first supporting shoes and two on the second supporting shoe.

Drawings

Fig. 1 is a schematic structural view of a telescopic scaffold according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a telescopic scaffold according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a partial enlarged view at B in fig. 2.

Reference numerals illustrate:

1. a first upright; 2. a second upright; 3. a third upright; 4. a fourth upright; 5. a first telescopic rod; 51. a first steel pipe; 52. a second steel pipe; 6. a second telescopic rod; 61. a third steel pipe; 62. a fourth steel pipe; 7. a first limiting mechanism; 71. a first ear plate; 72. a second ear plate; 73. a first long screw; 74. a first nut; 8. a first escalator; 81. a first vertical rod; 82. a first horizontal bar; 9. a second limiting mechanism; 91. a third ear plate; 92. a fourth ear plate; 93. a second long screw; 94. a second nut; 10. a second escalator; 101. a second vertical rod; 102. a second horizontal bar; 11. a first plate; 12. a second plate; 13. a first support block; 14. and a second support block.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", "front", "rear", "inner" and "outer", etc. are used for convenience of description of the present utility model based on the directions or positional relationships shown in the drawings, and are not intended to indicate or imply that the apparatus to be referred to must have a specific direction, be configured and manipulated in a specific direction, and thus should not be construed as limiting the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present specification, the descriptions of the terms "embodiment," "one embodiment," and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or implementation of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.

Moreover, in the drawings, the Z axis represents vertical, i.e., up and down, and the positive direction of the Z axis (i.e., the arrow of the Z axis points) represents up, and the negative direction of the Z axis (i.e., the direction opposite to the positive direction of the Z axis) represents down; the X-axis in the drawing represents the lateral direction, i.e., the left-right position, and the positive direction of the X-axis (i.e., the arrow of the X-axis points) represents the left, and the negative direction of the X-axis (i.e., the direction opposite to the positive direction of the X-axis) represents the right; the Y-axis in the drawing shows the longitudinal direction, i.e., the front-to-back position, and the positive direction of the Y-axis (i.e., the arrow pointing in the Y-axis) shows the front, and the negative direction of the Y-axis (i.e., the direction opposite to the positive direction of the Y-axis) shows the back.

It should also be noted that the foregoing Z-axis, X-axis, and Y-axis are meant to be illustrative only and to simplify the description of the present utility model, and are not meant to indicate or imply that the devices or elements referred to must be in a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

As shown in fig. 1 to 2, a telescopic scaffold according to an embodiment of the present utility model includes: the telescopic device comprises a first upright 1, a second upright 2, a third upright 3, a fourth upright 4, a first telescopic rod 5 and a second telescopic rod 6, wherein the first upright 1, the second upright 2, the third upright 3 and the fourth upright 4 are arranged in a rectangular shape, two first telescopic rods 5 are respectively connected between the first upright 1 and the second upright 2 and between the third upright 3 and the fourth upright 4 at intervals, and two second telescopic rods 6 are respectively connected between the first upright 1 and the fourth upright 4 and between the second upright 2 and the third upright 3 at intervals; the first telescopic rod 5 comprises a first steel pipe 51 and a second steel pipe 52, wherein the first steel pipe 51 is of a cavity structure with an opening end, and the second steel pipe 52 is movably connected with the first steel pipe 51; a first escalator 8 is arranged between the two first telescopic rods 5 positioned between the first upright 1 and the second upright 2, the first escalator 8 comprises a first vertical rod 81 and a first horizontal rod 82, two ends of the first vertical rod 81 are respectively connected with the two first steel pipes 51, and a plurality of first horizontal rods 82 are connected between the first vertical rod 81 and the second upright 2 at intervals; the second telescopic rod 6 comprises a third steel pipe 61 and a fourth steel pipe 62, wherein the third steel pipe 61 is of a cavity structure with an opening at the end part, and the fourth steel pipe 62 is movably connected with the third steel pipe 61; a second escalator 10 is arranged between the two second telescopic rods 6 between the first upright 1 and the fourth upright 4, the second escalator 10 comprises a second vertical rod 101 and a second horizontal rod 102, two ends of the second vertical rod 101 are respectively connected with the two third steel pipes 61, and a plurality of second horizontal rods 102 are connected between the second vertical rod 101 and the fourth upright 4 at intervals.

In this embodiment, as shown in fig. 1 and 2, the overall length and width of the scaffold can be adjusted according to different working places when the scaffold is used, specifically, when the overall volume of the scaffold needs to be reduced, the first telescopic rod 5 between the first upright 1 and the second upright 2 and between the third upright 3 and the fourth upright 4 is first contracted, and then the second telescopic rod 6 between the first upright 1 and the fourth upright 4 and between the second upright 2 and the third upright 3 is contracted, so that the overall volume of the scaffold can be reduced, so that the scaffold can be conveniently stretched through narrow channels such as unit doors, and when the scaffold needs to be integrally stretched, the whole volume of the scaffold can be conveniently stretched through the extension of the first telescopic rod and the second telescopic rod.

Referring to fig. 2, two first telescopic rods 5 are connected between the first upright 1 and the second upright 2 at intervals, wherein a first steel tube 51 of the first telescopic rod 5 is of a cavity structure with an open end, a second steel tube 52 can stretch or shrink in the first steel tube 51 (along the X axis direction in fig. 2), an end of the first steel tube 51 away from the second steel tube 52 can be connected to the second upright 2 in a welding manner, and an end of the second steel tube 52 away from the first steel tube 51 can be connected to the first upright 1 in a welding manner. Similarly, two first telescopic rods 5 are connected between the third upright 3 and the fourth upright 4 at intervals, wherein a first steel pipe 51 of the first telescopic rod 5 is of a cavity structure with an open end, a second steel pipe 52 can extend or shrink in the first steel pipe 51 (in the X-axis direction in the attached drawing 2), the end part of the first steel pipe 51, which is far away from the second steel pipe 52, can be connected to the third upright 3 in a welding manner, and the end part of the second steel pipe 52, which is far away from the first steel pipe 51, can be connected to the fourth upright 4 in a welding manner.

As shown in fig. 1 and fig. 2, a first escalator 8 is arranged between two first telescopic rods 5 between the first upright 1 and the second upright 2, two ends of a first vertical rod 81 of the first escalator 8 can be respectively connected between the two first telescopic rods 5 in a welding mode, specifically between first steel pipes 51 of the two first telescopic rods 5, a plurality of first horizontal rods 82 can be connected between the first vertical rod 81 and the second upright 2 in a welding mode at intervals, and the first escalator 8 can be used as an up-down escalator and can also strengthen the overall structural strength of the scaffold. Note that "vertical" in the first vertical rod 81 refers to the Z-axis direction in fig. 1 or fig. 2, and "horizontal" in the first horizontal rod 82 refers to the X-axis direction in fig. 1 or fig. 2. In addition, an escalator with the same structure as the first escalator 8 is also arranged between the two first telescopic links 5 between the third upright 3 and the fourth upright 4.

Referring to fig. 2, two second telescopic rods 6 are connected between the first upright 1 and the fourth upright 4 at intervals, wherein a third steel tube 61 of the second telescopic rod 6 is of a cavity structure with an open end, a fourth steel tube 62 can extend or shrink in the third steel tube 61 (in the Y-axis direction in fig. 2), an end portion of the third steel tube 61 far away from the fourth steel tube 62 can be connected to the fourth upright 4 in a welding manner, and an end portion of the fourth steel tube 62 far away from the third steel tube 61 can be connected to the first upright 1 in a welding manner. Similarly, two second telescopic rods 6 are connected between the second upright 2 and the third upright 3 at intervals, wherein a third steel pipe 61 of the second telescopic rod 6 is of a cavity structure with an open end, a fourth steel pipe 62 can extend or shrink in the third steel pipe 61 (in the Y-axis direction in fig. 2), the end part of the third steel pipe 61, far from the fourth steel pipe 62, can be connected to the third upright 3 in a welding manner, and the end part of the fourth steel pipe 62, far from the third steel pipe 61, can be connected to the second upright 2 in a welding manner.

As shown in fig. 2, a second escalator 10 is arranged between two second telescopic rods 6 between the first upright 1 and the fourth upright 4, two ends of a second vertical rod 101 of the second escalator 10 can be respectively connected between the two second telescopic rods 6 in a welding manner, in particular between third steel pipes 61 of the two second telescopic rods 6, a plurality of second horizontal rods 102 can be connected between the second vertical rod 101 and the fourth upright 4 at intervals in a welding manner, and the second escalator 10 can be used as an up-down escalator and can also strengthen the overall structural strength of the scaffold. It should be noted that "vertical" in the second vertical rod 101 refers to the Z-axis direction in fig. 1 or fig. 2, and "horizontal" in the second horizontal rod 102 refers to the Y-axis direction in fig. 1 or fig. 2. In addition, an escalator with the same structure as the second escalator 10 can be arranged between the two second telescopic links 6 between the second upright 2 and the third upright 3.

From the above, a first escalator 8 is arranged between two first telescopic rods 5 between the first upright 1 and the second upright 2, a second escalator 10 is arranged between two second telescopic rods 6 between the first upright 1 and the fourth upright 4, an escalator with the same structure as the first escalator 8 is also arranged between two first telescopic rods 5 between the third upright 3 and the fourth upright 4, and an escalator with the same structure as the second escalator 10 is arranged between two second telescopic rods 6 between the second upright 2 and the third upright 3, so that the escalator structure on the four sides of the telescopic scaffold not only can strengthen the structural strength of the scaffold, but also can be used for constructors to get on and off the escalator at different positions.

Optionally, the telescopic scaffold further comprises a first limiting mechanism 7, each first telescopic rod 5 is provided with a first limiting mechanism 7, each first limiting mechanism 7 comprises a first lug plate 71, a second lug plate 72, a first long screw 73 and a first nut 74, the first lug plates 71 are connected to the end parts, far away from the first steel pipes 51, of the second steel pipes 52, the second lug plates 72 are connected to the end parts, close to the second steel pipes 52, of the first steel pipes 51, first through holes are formed in the first lug plates 71, second through holes are formed in the second lug plates 72, and the first long screw 73 sequentially penetrates through the first through holes and the second through holes, and the first nuts 74 are in threaded connection with the first long screw 73.

In this embodiment, as shown in fig. 2 and fig. 3, a first limiting mechanism 7 is disposed on each first telescopic rod 5, where the first ear plate 71 may be connected to an end of the second steel tube 52 away from the first steel tube 51 by welding, the second ear plate 72 may be connected to an end of the first steel tube 51 near the second steel tube 52 by welding, the first long screw 73 may sequentially penetrate through a first through hole on the first ear plate 71 and a second through hole on the second ear plate 72, the first nut 74 is screwed on the first long screw 73, and the first nut 74 may be screwed and abutted on the second ear plate 72, so that the first steel tube 51 and the second steel tube 52 will not undergo relative movement.

Optionally, the telescopic scaffold further comprises a second limiting mechanism 9, each second telescopic rod 6 is provided with a second limiting mechanism 9, each second limiting mechanism 9 comprises a third lug plate 91, a fourth lug plate 92, a second long screw 93 and a second nut 94, the third lug plates 91 are connected to the end parts, far away from the third steel pipes 61, of the fourth steel pipes 62, the fourth lug plates 92 are connected to the end parts, close to the fourth steel pipes 62, of the third steel pipes 61, third through holes are formed in the third lug plates 91, fourth through holes are formed in the fourth lug plates 92, the second long screw 93 sequentially penetrates through the third through holes and the fourth through holes, and the second nuts 94 are in threaded connection with the second long screws 93.

In this embodiment, as shown in fig. 2 and fig. 4, a second limiting mechanism 9 is disposed on each second telescopic rod 6, where a third lug plate 91 may be connected to an end of the fourth steel tube 62 far from the third steel tube 61 by welding, a fourth lug plate 92 may be connected to an end of the third steel tube 61 near the fourth steel tube 62 by welding, a second long screw 93 may sequentially penetrate through a third through hole on the third lug plate 91 and a fourth through hole on the fourth lug plate 92, a second nut 94 is screwed on the second long screw 93, and the second nut 94 may be screwed and abutted on the fourth lug plate 92, so that the third steel tube 61 and the fourth steel tube 62 will not undergo relative movement.

Optionally, the telescopic scaffold further comprises an upper support plate, and the upper support plate is detachably connected to the upper ends of the first upright 1, the second upright 2, the third upright 3 and the fourth upright 4.

In this embodiment, the upper support plate may be detachably connected to the upper ends of the first, second, third and fourth columns 1, 2, 3 and 4 by bolts.

Optionally, the upper ends of the first upright 1, the second upright 2, the third upright 3 and the fourth upright 4 are respectively provided with a first supporting block 13, each first supporting block 13 is respectively provided with a first limiting protrusion in an L shape, and the upper supporting plate is used for being placed on four first supporting blocks 13.

In this embodiment, as shown in fig. 1 and fig. 2, the upper ends of the first upright 1, the second upright 2, the third upright 3 and the fourth upright 4 are respectively provided with a first supporting block 13, wherein the first supporting blocks 13 are in a square plate-shaped structure, the upper surfaces (the positive direction of the Z axis in fig. 1 or fig. 2) of the first supporting blocks 13 are convexly provided with first limiting protrusions in an L shape, the upper supporting plates can be placed on the upper surfaces of the four first supporting blocks 13, and the first limiting protrusions are used for limiting the movement of the upper supporting plates.

Optionally, two second telescopic rods 6 at the upper part are respectively provided with a second supporting block 14, two second supporting blocks 14 are respectively provided with a second limit protrusion in a T shape, the upper supporting plate comprises a first plate 11 and a second plate 12 which are separately arranged, the first plate 11 is used for being placed on two first supporting blocks 13 and two second supporting blocks 14, and the second plate 12 is used for being placed on the other two first supporting blocks 13 and two second supporting blocks 14.

In this embodiment, as shown in fig. 1 and fig. 2, two second telescopic rods 6 located at the upper part (in the positive direction of the Z axis in fig. 1 or fig. 2) are respectively provided with a second supporting block 14, wherein the second supporting blocks 14 can be specifically connected to the end part of the third steel pipe 61 near the fourth steel pipe 62 in a welding manner, the second supporting blocks 14 are in a square plate-shaped structure, the upper surface (in the positive direction of the Z axis in fig. 1 or fig. 2) of the second supporting blocks 14 is convexly provided with a second limiting protrusion in a T shape, the first plate 11 can be placed on two first supporting blocks 13 and two second supporting blocks 14, the second plate 12 can be placed on the other two first supporting blocks 13 and two second supporting blocks 14, and the first limiting protrusion and the second limiting protrusion are used for limiting the movement of the first plate 11 and the second plate 12.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims (6)

1. A telescoping scaffold, comprising: the telescopic device comprises a first upright (1), a second upright (2), a third upright (3), a fourth upright (4), a first telescopic rod (5) and a second telescopic rod (6), wherein the first upright (1), the second upright (2), the third upright (3) and the fourth upright (4) are arranged in a rectangular shape, two first telescopic rods (5) are respectively connected between the first upright (1) and the second upright (2) and between the third upright (3) and the fourth upright (4) at intervals, and two second telescopic rods (6) are respectively connected between the first upright (1) and the fourth upright (4) and between the second upright (2) and the third upright (3) at intervals; the first telescopic rod (5) comprises a first steel pipe (51) and a second steel pipe (52), wherein the first steel pipe (51) is of a cavity structure with an opening at the end part, and the second steel pipe (52) is movably connected to the first steel pipe (51); a first escalator (8) is arranged between the two first telescopic rods (5) between the first upright (1) and the second upright (2), the first escalator (8) comprises a first vertical rod (81) and a first horizontal rod (82), two ends of the first vertical rod (81) are respectively connected with the two first steel pipes (51), and a plurality of first horizontal rods (82) are connected between the first vertical rod (81) and the second upright (2) at intervals; the second telescopic rod (6) comprises a third steel pipe (61) and a fourth steel pipe (62), wherein the third steel pipe (61) is of a cavity structure with an opening at the end part, and the fourth steel pipe (62) is movably connected with the third steel pipe (61); be located two between first stand (1) with between fourth stand (4) second telescopic link (6) are provided with second staircase (10), second staircase (10) are including second vertical pole (101) and second horizontal pole (102), the both ends of second vertical pole (101) are connected with two respectively third steel pipe (61) second vertical pole (101) with the interval is connected with a plurality of second horizontal pole (102) between fourth stand (4).

2. The telescopic scaffold according to claim 1, further comprising a first limiting mechanism (7), wherein each first telescopic rod (5) is provided with a first limiting mechanism (7), each first limiting mechanism (7) comprises a first lug plate (71), a second lug plate (72), a first long screw (73) and a first nut (74), each first lug plate (71) is connected to the end portion, away from the first steel tube (51), of the second steel tube (52), each second lug plate (72) is connected to the end portion, close to the second steel tube (52), of the first steel tube (51), each first lug plate (71) is provided with a first through hole, each second lug plate (72) is provided with a second through hole, each first long screw (73) sequentially penetrates through the first through hole and the second through hole, and each first nut (74) is connected to the first long screw (73) in a threaded manner.

3. The telescopic scaffold according to claim 1, further comprising a second limiting mechanism (9), wherein each second telescopic rod (6) is provided with a second limiting mechanism (9), each second limiting mechanism (9) comprises a third lug plate (91), a fourth lug plate (92), a second long screw (93) and a second nut (94), the third lug plates (91) are connected to the end portions, far away from the third steel pipes (61), of the fourth steel pipes (62), the fourth lug plates (92) are connected to the end portions, close to the fourth steel pipes (62), of the third steel pipes (61) and are provided with third through holes, the fourth lug plates (92) are provided with fourth through holes, the second long screw (93) sequentially penetrates through the third through holes and the fourth through holes, and the second nuts (94) are connected to the second long screw (93) in a threaded manner.

4. The telescopic scaffold according to claim 1, further comprising an upper support plate detachably connected to the upper ends of the first (1), second (2), third (3) and fourth (4) uprights.

5. The telescopic scaffold according to claim 4, wherein the first upright (1), the second upright (2), the third upright (3) and the fourth upright (4) are respectively provided with first supporting blocks (13) at the upper ends, each first supporting block (13) is respectively provided with a first limiting protrusion in an L shape, and the upper supporting plate is used for being placed on four first supporting blocks (13).

6. The telescopic scaffold according to claim 5, wherein two second telescopic rods (6) located at the upper part are respectively provided with a second supporting block (14), two second supporting blocks (14) are respectively provided with a second limiting protrusion in a T shape, the upper supporting plate comprises a first plate (11) and a second plate (12) which are separately arranged, the first plate (11) is used for being placed on two first supporting blocks (13) and two second supporting blocks (14), and the second plate (12) is used for being placed on the other two first supporting blocks (13) and two second supporting blocks (14).