CN208056615U - A kind of scaffold - Google Patents

Abstract

The utility model discloses a scaffold, in which a cylindrical sleeve is coaxially fixed at the bottom end of the upper pipe at the upper part. There are three threaded holes with an adjacent angle of 90 degrees, all threaded holes are set along the radial direction of the sleeve and communicate with the blind hole; it also includes a jacket, a tie rod part and a locking rod; the middle of the jacket is wrapped in a series The arc shell on the outer wall of the lower pipe at the lower end of the upper pipe, the two ends of the jacket are flat connecting plates, and there are perforations on the two connecting plates; the tie rod parts include steel balls connected in sequence, C-shaped handles, An annular connecting ring, one end is the optical axis and the other end is provided with a threaded connecting column, the top end of the lower pipe covered with the jacket is coaxially located in the blind hole of the sleeve, and one end of the locking rod extends into the sleeve Inside the cylinder wall and threadedly connected with the sleeve cylinder wall. When this kind of scaffolding is installed, it can ensure that the connection of two steel pipes in series is firm and reliable, and there will be no shaking.

Description

a scaffolding

technical field

The utility model belongs to the technical field of construction engineering, in particular to a scaffold for construction.

Background technique

Scaffolding is a working platform set up to ensure the smooth progress of various construction processes. According to the erection position, it can be divided into external scaffolding and internal scaffolding; according to different materials, it can be divided into wooden scaffolding, bamboo scaffolding and steel pipe scaffolding; according to the structure form, it can be divided into vertical pole scaffolding, bridge scaffolding, portal scaffolding, suspension scaffolding Hanging scaffolding, picking scaffolding, climbing scaffolding. Scaffolding for different purposes is used for different types of engineering construction. Most bridge support frames use bowl-buckle scaffolding. However, the existing scaffolding bowl-buckle connection structure is not reliable enough when steel pipes are connected in series, and the stability and reliability of scaffold installation are related to the lives of construction workers. safety, so further improvement is urgently needed.

Utility model content

The purpose of the utility model is to solve the above technical problems and provide a scaffold, which can ensure that two steel pipes in series are connected firmly and reliably without shaking during installation.

The technical scheme of the utility model is as follows:

A kind of scaffolding. A cylindrical sleeve is coaxially fixed at the bottom end of the upper upper pipe. The sleeve is made of a section of cylinder with blind holes coaxially opened at one end. Three adjacent clips are arranged on the wall of the sleeve. Threaded holes with an angle of 90 degrees, all threaded holes are arranged along the radial direction of the sleeve and communicate with blind holes;

It also includes a jacket, pull rod parts and locking rods; the middle of the jacket is an arc shell that can be wrapped on the outer wall of the lower pipe connected in series to the lower end of the upper pipe, and the two ends of the jacket are flat connecting plates, and the two connecting plates There are perforations on the top; the pull rod parts include steel balls connected in sequence, a C-shaped handle, a circular connecting ring, a connecting column with an optical axis at one end and a threaded connecting column at the other end, wherein the two ends of the handle are fixed on the steel ball above, the handle is passed through the connecting ring and the connecting ring is fixedly connected to the optical axis section of the connecting column; the pull rod part passes through the perforations on the two connecting plates, and a part of the steel ball is located outside the perforating hole of one of the connecting plates. The threaded section of the column protrudes from the perforation of another connecting plate; one end of the locking rod is provided with a threaded hole inside and a connecting thread on the outside; the top of the lower pipe covered with a jacket is coaxially located in the blind hole of the sleeve, so that One end of the locking rod extends into the wall of the sleeve and is threadedly connected with the wall of the sleeve, and the threaded hole at the screw-in end cooperates with the threaded section of the connecting column, so that when the locking rod is tightened, the two connecting plates Fit each other and make the jacket tightly wrapped around the outside of the lower pipe;

A fastening bolt is respectively screwed into the three threaded holes on the wall of the sleeve, and the fastening bolt is screwed into the sleeve and contacts with the arc shell part of the jacket by extrusion.

Further, a pair of gaskets sleeved on the connecting column is provided between the end surface of one end of the locking rod and the connecting plate, and a compression spring sleeved on the connecting column is provided between the two gaskets.

Further, the side of the connection plate where the steel ball is located is provided with a spherical shell-shaped groove suitable for the steel ball.

Further, one end of the locking rod outside the sleeve is L-shaped.

Further, a cylindrical protrusion is provided on the outer wall of the jacket, and the fastening bolt is screwed into the protrusion.

Beneficial effects of the utility model: the utility model fixes a sleeve at the bottom of the upper section of the pipeline, and the sleeve is placed on the top of the next section of the pipeline to realize socket connection, and the top of the lower section of the pipeline is covered with a jacket, which acts as a pull rod When the part is pressed by the locking rod, the jacket clamps the lower pipe tightly and its clamping force is more uniform and comprehensive than that of the general connection. Steel balls, handles, connecting rings and connecting columns are used. The connection method can make the connecting plate bear better force when the jacket is clamped and deformed. Under the movable connection structure similar to “hinge joint” between the handle and the connecting ring, the steel ball can be naturally embedded into the connecting plate Inner, so that the clamping force on the two connecting plates is more uniform and sufficient, and at the same time prevent the tie rod parts from being forcibly broken, improving the connection reliability. It can be seen that when this kind of scaffolding is installed, it can ensure that the two steel pipes connected in series are firmly and reliably connected without shaking.

Description of drawings

Fig. 1 is the front view of the upper and lower pipeline connection of the utility model.

Fig. 2 is the rear view of the joint of the upper and lower pipelines of the utility model.

Fig. 3 is a sectional view along line A-A in Fig. 1 .

Fig. 4 is an enlarged view of place I in Fig. 3 .

Description of reference numerals: upper pipe 1, lower pipe 2, sleeve 3, fastening bolt 4, protrusion 5, locking rod 6, steel ball 7, connecting column 8, gasket 9, compression spring 10, handle 11 , the connecting ring 12, and the connecting plate 601.

Detailed ways

In order to illustrate the implementation of the utility model through specific specific examples below, those skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in this specification.

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

As shown in Figures 1-4, a scaffold includes a cylindrical sleeve 3 coaxially fixed at the bottom end of the upper pipe 1 located on the upper part. The sleeve 3 is made of a section of cylinder with a blind hole coaxially opened at one end thereof. The wall of the sleeve 3 is provided with three adjacent threaded holes with an included angle of 90 degrees, and all the threaded holes are arranged along the radial direction of the sleeve 3 and communicate with the blind holes.

It also includes a jacket, a pull rod part and a locking rod 6; the middle of the jacket is an arc shell that can be wrapped on the outer wall of the lower pipe 2 connected in series to the lower end of the upper pipe 1, and the two ends of the jacket are flat connecting plates 601 , the two connecting plates 601 are provided with perforations; the tie rod parts include steel balls 7 connected in sequence, a C-shaped handle, a circular connecting ring 12, a connecting column 8 with an optical axis at one end and a screw thread at the other end, wherein, The two ends of the handle are fixed on the steel ball 7, the handle is passed through the connecting ring 12 and the connecting ring 12 is fixedly connected with the optical axis section of the connecting column 8; A part of the ball 7 is located outside the perforation of one of the connecting plates 601, and the threaded section of the connecting column 8 stretches out of the perforating of the other connecting plate 601; one end of the locking rod 6 is provided with a threaded hole inside, and the outside is provided with a connecting thread; The top end of the lower pipe 2 of the jacket is coaxially located in the blind hole of the sleeve 3. One end of the locking rod 6 extends into the wall of the sleeve 3 and is threadedly connected with the wall of the sleeve 3. The threaded hole is matched with the threaded section of the connecting column 8, so that when the locking rod 6 is tightened, the two connecting plates 601 fit each other and the jacket is tightly wrapped on the outside of the lower pipe 2.

A fastening bolt 4 is respectively screwed into the three threaded holes on the wall of the sleeve 3 , and the fastening bolt 4 is screwed into the sleeve 3 and then squeezed into contact with the arc shell of the jacket. The sleeve 3 is set on the top of the next pipe to realize the socket connection, and there is a jacket on the top of the next pipe. When the tie rod part is pressed by the locking rod 6, the jacket tightly clamps the next pipe And its clamping force is more uniform and comprehensive compared with the general connection. The connection method of steel ball 7, handle, connecting ring 12 and connecting column 8 can make the clamping deformation of the jacket, the connecting plate 601 Under the movable connection structure similar to a "hinge" between the handle and the connecting ring 12, the steel ball 7 can be naturally embedded in the connecting plate 601, so that the two connecting plates 601 fit together. The clamping force is more uniform and sufficient, and at the same time, it also prevents the tie rod parts from being forcibly broken and improves the connection reliability. It can be seen that when this kind of scaffolding is installed, it can ensure that the two steel pipes connected in series are firmly and reliably connected without shaking.

Further, a pair of gaskets 9 sleeved on the connecting column 8 are provided between the end surface of one end of the locking rod 6 and the connecting plate 601, and a compression spring sleeved on the connecting column 8 is provided between the two gaskets 9. 10. This structural design enables the two connecting plates 601 to be effectively compressed, and the jacket will not become loose instantly when the locking rod 6 is slightly loosened.

Further, the side of the connecting plate 601 where the steel ball 7 is located is provided with a spherical shell-shaped groove compatible with the steel ball 7, which allows the steel ball 7 to slide better in the groove, so as to Adaptively obtain a force-bearing optimal position.

Further, one end of the locking rod 6 outside the sleeve 3 is L-shaped. It is convenient to turn the end of the locking rod 6 with a booster rod or a round tube sleeve, and it is more labor-saving when tightening.

Further, a cylindrical protrusion 5 is provided on the outer wall of the jacket, and the fastening bolt 4 is screwed into the protrusion 5 . This structural design can make the threaded connection between the locking rod 6 and the jacket have a longer effective thread engagement length, and at the same time make the wall thickness of the jacket thinner, saving materials and reducing installation weight.

The above-mentioned embodiments only illustrate the principles and effects of the present utility model, but are not intended to limit the present utility model. Anyone familiar with this technology can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed in the utility model should still be covered by the claims of the utility model.

Claims (5)

1. A kind of scaffolding, it is characterized in that: be positioned at the upper pipe bottom end coaxially fixed with cylindrical sleeve, this sleeve adopts a section of cylinder to coaxially open blind hole at its one end to make, on the cylinder wall of sleeve There are three threaded holes with adjacent angles of 90 degrees, all threaded holes are set along the radial direction of the sleeve and communicate with blind holes; It also includes a jacket, pull rod parts and locking rods; the middle of the jacket is an arc shell that can be wrapped on the outer wall of the lower pipe connected in series to the lower end of the upper pipe, and the two ends of the jacket are flat connecting plates, and the two connecting plates There are perforations on the top; the pull rod parts include steel balls connected in sequence, a C-shaped handle, a circular connecting ring, a connecting column with an optical axis at one end and a threaded connecting column at the other end, wherein the two ends of the handle are fixed on the steel ball above, the handle is passed through the connecting ring and the connecting ring is fixedly connected to the optical axis section of the connecting column; the pull rod part passes through the perforations on the two connecting plates, and a part of the steel ball is located outside the perforating hole of one of the connecting plates. The threaded section of the column protrudes from the perforation of another connecting plate; one end of the locking rod is provided with a threaded hole inside and a connecting thread on the outside; the top of the lower pipe covered with a jacket is coaxially located in the blind hole of the sleeve, so that One end of the locking rod extends into the wall of the sleeve and is threadedly connected with the wall of the sleeve, and the threaded hole at the screw-in end cooperates with the threaded section of the connecting column, so that when the locking rod is tightened, the two connecting plates Fit each other and make the jacket tightly wrapped around the outside of the lower pipe; A fastening bolt is respectively screwed into the three threaded holes on the wall of the sleeve, and the fastening bolt is screwed into the sleeve and contacts with the arc shell part of the jacket by extrusion. 2. The scaffold according to claim 1, characterized in that: a pair of gaskets set on the connecting column are arranged between the end face of one end of the locking rod and the connecting plate, and a pair of gaskets sleeved on the connecting column is arranged between the two gaskets. Compression spring on column. 3. The scaffold according to claim 1 or 2, characterized in that: the side of the connecting plate where the steel ball is located is provided with a spherical shell-shaped groove suitable for the steel ball. 4. The scaffold according to claim 3, characterized in that: one end of the locking rod outside the sleeve is L-shaped. 5. The scaffold according to claim 3, wherein a cylindrical protrusion is provided on the outer wall of the jacket, and the fastening bolt is screwed into the protrusion.