CN114541721A - Scaffold with contracted pipe and installation method thereof - Google Patents

Abstract

The invention provides a scaffold with a shrink tube, comprising: the outer side of the vertical rod is uniformly provided with at least two connecting discs along the axial direction, the lower end of the vertical rod is hollow, the upper end of the vertical rod is provided with a contracted pipe matched with the inner part of the lower end of the vertical rod, a hole channel penetrates through the contracted pipe along the radial direction of the contracted pipe, and the lower end of the vertical rod is provided with a jack matched with the hole channel; the plug assembly is provided with a plug matched with the pore channel, one end of the plug is rotatably provided with a limiting plate, the long edge of the limiting plate is not smaller than the outer diameter of the plug, the wide edge of the limiting plate is not larger than the outer diameter of the plug, a butt plate is slidably arranged on the plug, and one end of the plug, which is far away from the limiting plate, is elastically supported between the butt plate and the butt plate; in the invention, the long edge of the limiting plate is rotated to be parallel to the axial direction of the plug, the plug can be inserted into the pore channel and the jack, the wide edge of the limiting plate is rotated to be parallel to the axial direction of the plug, and the two ends of the limiting plate block the jack, so that the plug can be locked, and the connection stability is improved.

Description

Scaffold with contracted pipe and installation method thereof

Technical Field

The invention belongs to the technical field of scaffolds, and particularly relates to a scaffold with a contracted pipe and an installation method thereof.

Background

The scaffold is a working platform which is erected for ensuring that each construction process is smoothly carried out. In order to enable workers to reach higher locations for construction work, it is necessary to stack the scaffolding to the required height. In the stacking process, the vertical rods are usually only inserted at the top ends of the vertical rods of the scaffold below, the stability of the connecting mode is low, the two vertical rods are easy to separate in the using process, and the safety of workers is threatened.

In the prior art, as the chinese patent application with publication number CN108149920A, a scaffold with a contracted pipe and an installation method thereof are disclosed, which belong to the field of building construction equipment, the technical scheme is as follows, the scaffold comprises vertical pipes and transverse pipes, the vertical pipes are vertical in length direction and horizontal in length direction, a plurality of vertical pipes are fixedly connected with the transverse pipes to form a polygonal support, each vertical pipe comprises a supporting part, a contracted pipe part and a convex ring, the outer diameter of the contracted pipe part is equal to the inner diameter of the supporting part, the outer diameter of the convex ring is larger than the outer diameter of the supporting part, the convex ring is connected with the supporting part, the convex ring is far away from the supporting part and connected with the contracted pipe part, the contracted pipe part and the convex ring are both formed by a pipe contracting process, the outer diameter of one end of the contracted pipe part close to the convex ring is smaller than the outer diameter of the contracted pipe, the end surface of one end of the convex ring close to the contracted pipe is smooth, and a continuous connection pipe is sleeved outside the contracted pipe part, and has the advantages of stable installation and high connection strength of the continuous connection.

In above-mentioned prior art, run through continuous takeover and draw pipe portion through the knee, the restriction standpipe with continue to take over the removal in vertical direction, though can prevent to a certain extent through the knee that the knee from breaking away from the standpipe and continuing to take over the pipe, staff still bumps out it from the through-hole easily when bumping the knee in operation process at that time, drops from the eminence, threatens staff's safety.

Therefore, it is necessary to design a scaffold with a shrink tube and a method for installing the same, which can prevent the vertical rods from separating from each other and improve the stability and safety of the scaffold, so as to solve the technical problems encountered at present.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the scaffold with the shrinkage pipe and the installation method thereof, wherein the scaffold with the shrinkage pipe can prevent the vertical rods from being separated, and the stability and the safety of the scaffold are improved.

The technical scheme of the invention is as follows: a scaffold with a shrink tube, comprising: the outer side of the vertical rod is uniformly provided with at least two connecting discs along the axial direction of the vertical rod, the lower end of the vertical rod is hollow, the upper end of the vertical rod is provided with a reducing pipe matched with the inner part of the lower end of the vertical rod, a hole passage is formed in the reducing pipe in a penetrating mode along the radial direction of the reducing pipe, and the lower end of the vertical rod is provided with a jack matched with the hole passage; the plug assembly is provided with a plug matched with the pore channel, one end of the plug is rotatably provided with a limiting plate, the long edge of the limiting plate is not smaller than the outer diameter of the plug, the wide edge of the limiting plate is not larger than the outer diameter of the plug, the plug is slidably provided with a butt plate, and one end of the plug, which is far away from the limiting plate, is elastically supported between the butt plate and the butt plate; the both ends of horizontal pole all be provided with the connecting piece of fixed connection can be dismantled to the connection pad.

An end cover is fixedly arranged at one end of the plug bolt, which is far away from the limiting plate, and a spring is sleeved outside the plug bolt between the end cover and the abutting plate.

One side, close to the limiting plate, of the abutting plate is provided with a cambered surface matched with the outer side of the upright rod; the end part of the plug is provided with a abdicating groove matched with the limiting plate.

The lower end of the shrinkage pipe is provided with a supporting plate with the outer diameter not smaller than the bottom end of the vertical rod, and the supporting plate and the vertical rod are of an integrated structure.

The top of layer board seted up with pole setting bottom matched with annular.

An inner supporting plate matched with the end part of the shrinking pipe is fixedly arranged on the inner side of the bottom end of the vertical rod, and the distance between the inner supporting plate and the bottom end of the vertical rod is matched with the length of the shrinking pipe.

Four connecting holes are formed in the connecting disc in a circumferential array; the connecting piece have with connecting hole assorted connector and free bearing, the free bearing with have the draw-in groove between the connector, it is provided with the baffle to rotate on the free bearing.

The one end that deviates from mutually with the connector on the baffle is provided with the handle, the handle with be 110 between the baffle to 130 contained angles.

One side of the hinged support, which is close to the baffle, is provided with a yielding groove matched with the baffle.

The method for installing the scaffold with the contracted pipe comprises the following steps:

s1, four upright posts are arranged in a matrix, and a cross bar is arranged between every two adjacent upright posts;

s2, connecting the connecting piece of the cross bar with the connecting disc of the corresponding upright post positioned at the bottommost part;

s3, connecting the connecting discs of the two adjacent upright posts which are positioned at the topmost part respectively by using the cross bars, and completing the construction of a first-layer scaffold;

s4, sleeving a column on the shrinking pipe of the first layer of scaffold column, and making the inserting holes of the upper and lower columns correspond to the pore channels;

s5, rotating the limiting plate to make the long edge parallel to the axial direction of the plug, and making the plug penetrate through the jack and the pore channel;

and S6, rotating the limit plate to enable the wide edge of the limit plate to be parallel to the axial direction of the plug, and releasing the abutting plate to enable the abutting plate to abut against the outer side of the vertical rod.

The invention has the beneficial effects that:

(1) in some embodiments of the invention, the limiting plate is rotated to enable the long edge of the limiting plate to be parallel to the axial direction of the plug, the plug can be inserted into the duct and the jack, the wide edge of the limiting plate is rotated to be parallel to the axial direction of the plug, and the two ends of the limiting plate block the jack, so that the plug can be locked to be prevented from being pulled out of the duct, and the connection stability is improved;

(2) the inserted bolt is provided with the butt plate in a sliding manner, on the inserted bolt with the one end that the spacing board deviates from mutually with elastic support between the butt plate 53, through the elasticity that acts on the butt plate, can make the outside elasticity butt of butt plate and branch, the pulling inserted bolt makes the long limit of limiting plate and the outside butt of pull rod, avoids having the gap, and then can avoid external vibration, collision etc. to cause the limiting plate to rotate, arouses the inserted bolt to break away from for it is more stable to connect between the pole setting, improves the security of scaffold frame.

Drawings

Fig. 1 is a schematic view showing a structure of a scaffold with a contracted pipe according to the present invention.

Figure 2 is a schematic view of the external structure of the vertical rod of the present invention.

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

Fig. 4 is a schematic view of the internal structure of the vertical rod of the present invention.

Fig. 5 is a schematic structural view of a cross bar in the present invention.

Fig. 6 is a partially enlarged view of fig. 5 at B.

FIG. 7 is a schematic view of the external structure of the plug assembly of the present invention.

FIG. 8 is a schematic view of the internal structure of the plug assembly of the present invention.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the invention, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.

The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

As shown in fig. 1 to 8, a scaffold with a contracted pipe includes: the outer side of the vertical rod 1 is uniformly provided with at least two connecting discs 3 along the axial direction of the vertical rod 1, the lower end of the vertical rod 1 is hollow, the upper end of the vertical rod 1 is provided with a reducing pipe 11 matched with the inner part of the lower end of the vertical rod 1, a hole 14 penetrates through the reducing pipe 11 along the radial direction of the reducing pipe, and the lower end of the vertical rod 1 is provided with a jack 15 matched with the hole; the plug assembly 5 is provided with a plug 51 matched with the duct 14, one end of the plug 51 is rotatably provided with a limit plate 52, the long edge of the limit plate 52 is not smaller than the outer diameter of the plug 51, the wide edge of the limit plate 52 is not larger than the outer diameter of the plug 51, the long edge of the limit plate 52 is rotated to be parallel to the axial direction of the plug 51, the plug 51 can be inserted into the duct 14 and the jack 15, the wide edge of the limit plate 52 is rotated to be parallel to the axial direction of the plug 51, the two ends of the limit plate 52 form a block between the jacks 15, the plug 51 can be locked to prevent the plug 51 from being drawn out from the duct 14, the plug 51 is provided with a butting plate 53 in a sliding manner, one end of the plug 51, which is far away from the limit plate 52, and the butting plate 53 are elastically supported, the butting plate 53 can be elastically butted with the outer side of the support rod 1 through the elastic force acting on the butting plate 53, the plug 51 is pulled to enable the long edge of the limit plate 52 to be butted with the outer side of the pull rod 1, gaps are avoided, so that the limiting plate 52 can be prevented from rotating due to external vibration, collision and the like, and the plug 51 is separated, so that the connection between the upright rods 1 is more stable, and the safety of the scaffold is improved; the both ends of horizontal pole 2, horizontal pole 2 all are provided with can dismantle fixed connection's connecting piece 4 with connection pad 3.

In some embodiments, the long side of the retainer plate 52 is 0.5 to 1 radius larger than the outer diameter of the plug 51, and the wide side of the retainer plate 52 is 0.1 to 0.3 radius smaller than the outer diameter of the plug 51.

In some embodiments, the outer side of the upright 1 is uniformly provided with five connecting discs 3 along its axial direction.

In some embodiments, an end cover 55 is fixedly disposed at an end of the plug 51 away from the limit plate 52, a spring 54 is sleeved outside the plug 51 between the end cover 55 and the abutting plate 53, the end cover 55 is coaxially and fixedly connected with an end portion of the plug 51, one end of the spring 54 abuts against the end cover 55, and the other end abuts against one side of the abutting plate 53, so that the abutting plate 53 and the long side of the limit plate 52 can be driven to clamp and fix the vertical rod 1 at two sides of the vertical rod 1, and looseness is avoided.

In some embodiments, the diameter of the end cap 55 is 0.5 to 1 plug 51 radius larger than the outer diameter of the plug 51.

In some embodiments, as shown in fig. 7, an arc surface 531 matched with the outer side of the upright 1 is arranged on one side of the abutting plate 53 close to the limiting plate 52, and the stability of the contact between the abutting plate 53 and the upright 1 can be improved by the close fit of the arc surface 531 and the outer side of the upright 1; as shown in fig. 8, an end of the plug 51 is provided with an abdicating groove 56 matched with the limiting plate 52, a middle portion of the limiting plate 52 is rotatably connected with the end of the plug 51, and the abdicating groove 56 is a rotary abdicating of the limiting plate 52.

In some embodiments, as shown in fig. 3, a support plate 12 with an outer diameter not smaller than the bottom end of the vertical rod 1 is disposed at the lower end of the shrinking tube 11, the support plate 12 and the vertical rod 1 are integrated, and the vertical rod 1 is supported by the support plate 12 integrated with the vertical rod 1, which has good stability and high support strength and is not easy to break.

In some embodiments, the top of the supporting plate 12 is provided with a ring groove 13 matching with the bottom end of the upright rod 1, and after the upright rod 1 is assembled outside the shrinking tube 11, the bottom end of the upright rod 1 is just embedded into the ring groove 13, so that the contact area between the bottom end of the upright rod 1 and the supporting plate 12 is increased, and the connection stability between the upright rod 1 and the supporting plate 12 is improved.

In some embodiments, as shown in fig. 4, an inner supporting plate 16 matched with the end of the shrinking pipe 11 is fixedly arranged inside the bottom end of the vertical rod 1, the distance between the inner supporting plate 16 and the bottom end of the vertical rod 1 is matched with the length of the shrinking pipe 11, when the upper vertical rod 1 and the lower vertical rod 1 are assembled together, the bottom of the inner supporting plate 16 in the upper vertical rod 1 abuts against the upper end of the shrinking pipe 11 of the lower vertical rod 1, so that the supporting area between the two vertical rods 1 is increased, and the supporting stability is further improved.

In some embodiments, as shown in fig. 3, four connection holes 32 are formed in the connection disc 3 in a circumferential array; as shown in fig. 5 and 6, the connecting member 4 has a connecting head 41 and a hinged support 43 which are matched with the connecting hole 32, a clamping groove 42 is provided between the hinged support 43 and the connecting head 41, the clamping groove 42 corresponds to the connecting disc 3 outside the connecting hole 32, a baffle 44 is rotatably provided on the hinged support 43, one end of the baffle 44 which is deviated from the hinged support 43 abuts against the connecting head 41, when the connecting head 41 is inserted into the connecting hole 32, the baffle 44 can block the connecting disc 3 from being separated from the clamping groove 42, and the stability of connection between the connecting member 4 and the connecting disc 3 is ensured.

In some embodiments, a handle 45 is arranged at one end of the baffle 44, which is away from the connector 41, an included angle of 110 ° to 130 ° is formed between the handle 45 and the baffle 44, the handle 45 and the baffle 44 are of an integral structure, the baffle 44 can be conveniently rotated through the handle 45, and after the baffle 44 rotates, the baffle does not block the connecting disc 3, so that the connecting part 4 and the connecting disc 3 can be detached.

In some embodiments, an abdicating groove (not shown in the figures) matched with the baffle 44 is formed in one side of the hinge seat 43 close to the baffle 44, and when the baffle 44 is rotated by the handle 45 and enters the abdicating groove, the baffle 44 can be embedded into the hinge seat 43 to open the clamping groove 42, so that the connecting piece 4 and the connecting disc 3 can be conveniently detached.

In some embodiments, a method of installing a scaffold with a shrink tube is disclosed, comprising the steps of:

s1, four upright posts 1 are arranged in a matrix, and a cross bar 2 is arranged between every two adjacent upright posts 1;

s2, connecting the connecting piece 4 of the cross bar 2 with the connecting disc 3 of the corresponding upright post 1 at the bottommost part;

s3, connecting the connecting discs 3, which are positioned at the topmost part, of the two adjacent upright posts 1 respectively by using the cross bars 2, and completing the construction of a first-layer scaffold;

s4, sleeving a column 1 on the reducing pipe 11 of the first-layer scaffold column 1, and enabling the insertion holes 15 of the upper column 1 and the lower column 1 to correspond to the hole channels 14;

s5, rotating the limiting plate 52 to make the long side parallel to the axial direction of the plug 51, and making the plug 51 penetrate through the jack 15 and the duct 14;

s6, the stopper plate 52 is rotated so that its wide side is parallel to the axial direction of the plug 51, and the abutting plate 53 is released to abut against the outside of the vertical rod 1.

Thus, various embodiments of the present invention have been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present invention. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.

The above-mentioned embodiments only express some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims (10)

1. A scaffold with a shrink tube, comprising:

the outer side of the vertical rod is uniformly provided with at least two connecting discs along the axial direction of the vertical rod, the lower end of the vertical rod is hollow, the upper end of the vertical rod is provided with a reducing pipe matched with the inner part of the lower end of the vertical rod, a hole passage is formed in the reducing pipe in a penetrating mode along the radial direction of the reducing pipe, and the lower end of the vertical rod is provided with a jack matched with the hole passage;

the plug assembly is provided with a plug matched with the pore channel, one end of the plug is rotatably provided with a limiting plate, the long edge of the limiting plate is not smaller than the outer diameter of the plug, the wide edge of the limiting plate is not larger than the outer diameter of the plug, the plug is slidably provided with a butt plate, and one end of the plug, which is far away from the limiting plate, is elastically supported between the butt plate and the butt plate;

the both ends of horizontal pole all be provided with the connecting piece of fixed connection can be dismantled to the connection pad.

2. A scaffold with a shrink tube as claimed in claim 1, wherein: an end cover is fixedly arranged at one end of the plug bolt, which is far away from the limiting plate, and a spring is sleeved outside the plug bolt between the end cover and the abutting plate.

3. A scaffold with a shrink tube as claimed in claim 2, wherein: one side, close to the limiting plate, of the abutting plate is provided with a cambered surface matched with the outer side of the upright rod; the end part of the plug is provided with a abdicating groove matched with the limiting plate.

4. A scaffold with a shrink tube as claimed in claim 1, wherein: the lower end of the shrinkage pipe is provided with a supporting plate with the outer diameter not smaller than the bottom end of the vertical rod, and the supporting plate and the vertical rod are of an integrated structure.

5. A scaffold with a shrink tube as claimed in claim 4, wherein: the top of layer board seted up with pole setting bottom matched with annular.

6. A scaffold with a shrink tube as claimed in claim 1, wherein: an inner supporting plate matched with the end part of the shrinking pipe is fixedly arranged on the inner side of the bottom end of the vertical rod, and the distance between the inner supporting plate and the bottom end of the vertical rod is matched with the length of the shrinking pipe.

7. A scaffold with a shrink tube as claimed in claim 1, wherein: four connecting holes are formed in the connecting disc in a circumferential array; the connecting piece have with connecting hole assorted connector and free bearing, the free bearing with have the draw-in groove between the connector, it is provided with the baffle to rotate on the free bearing.

8. A scaffold with a shrink tube as claimed in claim 7, wherein: the one end that deviates from mutually with the connector on the baffle is provided with the handle, the handle with be 110 between the baffle to 130 contained angles.

9. A scaffold with a shrink tube as claimed in claim 7, wherein: one side of the hinged support, which is close to the baffle, is provided with a yielding groove matched with the baffle.

10. A method for installing a scaffold with a shrink tube is characterized by comprising the following steps:

s1, four upright posts are arranged in a matrix, and a cross bar is arranged between every two adjacent upright posts;

s2, connecting the connecting piece of the cross bar with the connecting disc of the corresponding upright post positioned at the bottommost part;

s3, connecting the connecting discs of the two adjacent upright posts which are positioned at the topmost part respectively by using the cross bars, and completing the construction of a first-layer scaffold;

s4, sleeving a stand column on the shrinkage pipe of the first layer of scaffold stand column, and enabling the jacks of the upper stand column and the lower stand column to correspond to the pore channels;

s5, rotating the limiting plate to make the long edge parallel to the axial direction of the plug, and making the plug penetrate through the jack and the pore channel;

and S6, rotating the limit plate to enable the wide edge of the limit plate to be parallel to the axial direction of the plug, and releasing the abutting plate to enable the abutting plate to abut against the outer side of the vertical rod.

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