CN217000147U

CN217000147U - Double-spliced back punching channel steel capable of being spliced

Info

Publication number: CN217000147U
Application number: CN202220011525.5U
Authority: CN
Inventors: 胡勇; 陈国集
Original assignee: Shanghai Kalz Construction Technology Co ltd
Current assignee: Shanghai Kalz Construction Technology Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-07-19
Anticipated expiration: 2032-01-05

Abstract

The utility model discloses a double-spliced back-punched channel steel capable of being spliced, which is characterized in that channel steels are symmetrically arranged, two channel steels are arranged back to back, a connecting hole is formed in a back plate of the channel steel, a pre-fixing lug plate is connected to the side wall of the channel steel and is used for pre-fixing the two back-to-back channel steels, so that bolt fixing between the two channel steels is facilitated subsequently, a polygonal positioning hole is formed in the pre-fixing lug plate, a polygonal positioning column penetrates through the polygonal positioning hole, the two pre-fixing lug plates are fixed by penetrating the polygonal positioning column into the two polygonal positioning holes, the polygonal positioning column is inserted into the two polygonal positioning holes, so that the two channel steels can be ensured not to rotate relatively, the two channel steels are effectively pre-fixed, after the two channel steels are pre-fixed, the connecting holes are connected through bolts, so that the two channel steels are fixed, when one of the channel steels needs to be replaced, the bolts in the connecting holes are firstly removed, and then the polygonal positioning columns are pulled out, so that the connection and the replacement are convenient.

Description

Double-spliced back-punched channel steel capable of being spliced

Technical Field

The utility model relates to the technical field of channel steel, in particular to a spliced double-spliced back-punched channel steel.

Background

The channel-section steel is the steel material of a general type, and the use is extensive, and in the aspect of the mainly used steel construction, for example bridge, steel structure frame etc. do roof beam, post, bracing (pole) etc. all can, and the key feature is that the bending resistance in an orientation is good, but on another direction relatively weak, if two channel-section steels buckle side welding, can replace square pipe structurally to use, if two channel-section steels back-to-back welding use can replace I-steel or H shaped steel use, no matter buckle side welding or back-to-back welding all have good bending resistance.

At present, the double pin channel-section steel that prior art electrode butt-joint formed, because the size of electrode butt-joint electric current can not be controlled in welding process, rosin joint or false welding can appear, its welding quality is difficult to guarantee, it crosses lowly to cause the double pin channel-section steel bearing capacity easily, the bearing capacity does not reach the requirement that the reservation bore, can not satisfy the needs of actual engineering, current double pin channel-section steel is after a channel-section steel damages appearing, because the messenger's of adoption welded mode, lead to two channel-section steels to be difficult to separate, inconvenient change, provide a double pin back of the body channel-section steel that can splice for this reason.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a spliced double-spliced back-punched channel steel to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a spliced double-spliced back punching channel steel comprises a bottom seat plate, wherein four corners of the bottom seat plate are fixedly connected with one end of a supporting column, the other end of the supporting column is fixedly connected with a middle fixing frame, the bottom seat plate, the supporting column and the fixing frame form a main bearing frame part in the whole supporting frame, a track supporting plate is arranged on the upper side of the middle fixing frame, a track is erected on the track supporting plate, a main driving hydraulic cylinder is installed at the middle position of the bottom seat plate, the output end of the main driving hydraulic cylinder penetrates through the middle fixing frame and is fixedly connected with the track supporting plate, the main driving hydraulic cylinder is used for adjusting the height of the track supporting plate, the track supporting plate is driven to bear the erected track in the vertical direction through the work of the main driving hydraulic cylinder, the track height is adjusted, the track support plate is characterized in that a telescopic guide pipe assembly is arranged between the bottom seat plate and the middle fixing frame, the telescopic guide pipe assembly and the main driving hydraulic cylinder synchronously lift to keep balance of the track support plate in the lifting process, track connecting plates are symmetrically arranged on the track support plate and connected with a track, and the track is fixed on the track support plate.

Preferably, flexible stand pipe subassembly includes the fixed pipe of outside, the stiff end of the fixed pipe of outside with bottom bedplate fixed connection, the inside swing joint of the fixed pipe of outside has inside telescopic link, the solid fixed ring of top portion fixedly connected with of the fixed pipe of outside, gu fixed ring with the fixed frame fixed connection in middle part, the flexible end of inside telescopic link with track backup pad fixed connection, gu fixed ring set up right the fixed pipe of outside plays the reinforcing effect, the fixed firm fixing of the fixed pipe of outside bottom bedplate with between the fixed frame in middle part, the flexible end that guarantees inside telescopic link can be stable flexible.

Preferably, the pneumatic drive or the hydraulic drive synchronous with the main drive hydraulic cylinder is adopted between the external fixed pipe and the internal telescopic rod, and the telescopic guide pipe assembly keeps the balance of the track supporting plate in the lifting process, so that the track supporting plate keeps straight and is inconvenient for erecting the angle of the track.

Preferably, the track connecting plate is the ladder shaped plate, among the track connecting plate a diaphragm with track backup pad fixed connection, the ladder shaped plate can erect the track of different broad widths, and application range is wider, increases the holistic practicality of track support frame.

Preferably, the track connecting plate includes first L shaped plate and second L shaped plate, the diaphragm of first L shaped plate with integrated into one piece is connected between the riser of second L shaped plate, the diaphragm of first L shaped plate with track backup pad fixed connection, the track broad width that second L shaped plate is fit for erectting is greater than the track broad width that first L shaped plate is fit for erectting.

Preferably, the number of the telescopic guide pipe assemblies is 4,4 the telescopic guide pipe assemblies are respectively located at the corresponding lateral positions of the supporting columns, and the 4 telescopic guide pipe assemblies keep the balance of the track supporting plate in the lifting process, so that the track supporting plate keeps straight and is inconvenient for erecting the angle of the track.

Compared with the prior art, the utility model has the beneficial effects that: the two channel steels are symmetrically arranged, the two channel steels are arranged back to back, connecting holes are formed in the back plates of the channel steels, pre-fixing lug plates are connected to the side walls of the channel steels and are used for pre-fixing the two back-to-back channel steels so as to facilitate subsequent bolt fixing between the two channel steels, polygonal positioning holes are formed in the pre-fixing lug plates, polygonal positioning columns penetrate through the polygonal positioning holes, the two pre-fixing lug plates are fixed by penetrating the polygonal positioning columns into the two polygonal positioning holes, the polygonal positioning columns are inserted into the two polygonal positioning holes so as to ensure that the two channel steels do not rotate relatively, therefore, the two channel steels are effectively pre-fixed, after the two channel steels are pre-fixed, the two channel steels are fixed by connecting the connecting holes through bolts, when one of the two channel steels needs to be replaced, the bolts in the connecting holes are firstly removed, and then the polygonal positioning columns are pulled out, the connection is convenient and the replacement is convenient.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the main structure of the present invention (with the polygonal positioning post removed);

FIG. 3 is a cross-sectional view of the polygonal positioning hole and the polygonal positioning post of the present invention.

In the figure: the handle comprises 1-channel steel, 2-connecting holes, 3-pre-fixing lug plates, 4-polygonal positioning holes, 5-polygonal positioning columns, 6-first arc-shaped bulges, 7-second arc-shaped bulges and 8-handles.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a spliced double-spliced back-to-back punching channel steel comprises channel steel 1 which are symmetrically arranged, wherein two channel steel 1 are arranged back to back, a connecting hole 2 is formed in a back plate of the channel steel 1, a pre-fixing lug plate 3 is connected to the side wall of the channel steel 1, the pre-fixing lug plate 3 is used for pre-fixing the two back-to-back channel steel, so that bolt fixing between the two channel steel 1 is facilitated subsequently, a polygonal positioning hole 4 is formed in the pre-fixing lug plate 3, a polygonal positioning column 5 penetrates through the polygonal positioning hole 4, the two pre-fixing lug plates 3 are fixed by penetrating the polygonal positioning column 5 into the two polygonal positioning holes 4, the polygonal positioning column 5 is inserted into the two polygonal positioning holes 4, so that the two channel steel 1 can be ensured not to rotate relatively, the two channel steel 1 can be effectively pre-fixed in advance, and after the two channel steel 1 are pre-fixed, the two channel steel 1 are fixed by connecting the connecting holes 2 through bolts, when one channel steel 1 needs to be replaced, the bolts in the connecting holes 2 are firstly removed, and then the polygonal positioning columns 5 are pulled out.

Particularly, even fixedly connected with first arc arch 6 on the lateral wall of polygon locating hole 4, even fixedly connected with on the lateral wall of polygon reference column 5 with the protruding 7 of second arc that 6 cooperation of first arc were used, polygon reference column 5 inserts two under the polygon locating hole 4 internal state, first arc arch 6 with mutual joint between the protruding 7 of second arc can guarantee that two channel-section steels 1 do not take place the ascending relative movement of vertical side, and under using exogenic action, the protruding 7 of second arc can break away from the protruding 6 of first arc can be extracted hard a little polygon reference column 5 does not hinder channel-section steel 1's change.

Particularly, first arc arch 6 is protruding hard, second arc arch 7 is elastic bulge, and under using the exogenic action, elastic bulge can break away from protruding hard, and power can be extracted a little polygon reference column 5 does not hinder channel-section steel 1's change.

Particularly, first arc arch 6 is protruding for the stereoplasm resin, second arc arch 7 is protruding for elastic rubber, and under using exogenic action, thereby the elastic rubber is protruding to be out of the stereoplasm resin arch through the protruding and deformation of extrusion stereoplasm resin, and power can be extracted a little polygon reference column 5 does not hinder channel-section steel 1's change.

Specifically, polygon locating hole 4 is the quad slit, polygon reference column 5 is square post, and square post inserts in two polygon locating holes 4, can guarantee that two channel-section steels 1 do not take place relative rotation, thereby to two channel-section steels 1 is effectively fixed in advance.

Specifically, the end of the polygonal positioning column 5 is fixedly connected with a handle 8, and the handle 8 is arranged to facilitate the insertion and extraction of the polygonal positioning column 5.

The working principle is as follows: the two channel steels 1 are symmetrically arranged, the two channel steels 1 are arranged back to back, connecting holes 2 are formed in the back plates of the channel steels 1, the side walls of the channel steels 1 are connected with pre-fixing lug plates 3, the pre-fixing lug plates 3 are used for pre-fixing the two back-to-back channel steels to facilitate subsequent bolt fixing between the two channel steels 1, polygonal positioning holes 4 are formed in the pre-fixing lug plates 3, polygonal positioning columns 5 penetrate through the polygonal positioning holes 4, the two pre-fixing lug plates 3 are fixed by penetrating the polygonal positioning columns 5 through the two polygonal positioning holes 4, the polygonal positioning columns 5 are inserted into the two polygonal positioning holes 4 to ensure that the two channel steels 1 do not rotate relatively, so that the two channel steels 1 are effectively pre-fixed, after the two channel steels 1 are pre-fixed, the two channel steels 1 are fixed through the connecting holes 2 in a bolt connection mode, and when one of the channel steels 1 needs to be replaced, firstly, the bolt in the connecting hole 2 is removed, and then the polygonal positioning column 5 is pulled out, so that the connection and replacement are convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two pieces together back of body channel-section steel that punches that can splice, including channel-section steel (1) that the symmetry set up, its characterized in that: connecting hole (2) have been seted up on the backplate of channel-section steel (1), be connected with on the lateral wall of channel-section steel (1) and fix otic placode (3) in advance, polygon locating hole (4) have been seted up on fixing otic placode (3) in advance, it has polygon reference column (5) to run through in polygon locating hole (4), through with polygon reference column (5) run through make two in two polygon locating hole (4) it is fixed to fix otic placode (3) in advance, thereby to two channel-section steel (1) is fixed in advance, through bolted connection connecting hole (2) make two channel-section steel (1) is fixed.

2. The splicable double-spliced back-punched channel steel as claimed in claim 1, wherein: the positioning structure is characterized in that first arc-shaped protrusions (6) are uniformly and fixedly connected to the side wall of the polygonal positioning hole (4), and second arc-shaped protrusions (7) matched with the first arc-shaped protrusions (6) are uniformly and fixedly connected to the side wall of the polygonal positioning column (5).

3. The splittable double-spliced back-punched channel steel as claimed in claim 2, wherein: the first arc-shaped bulge (6) is a hard bulge, and the second arc-shaped bulge (7) is an elastic bulge.

4. The splicable double-spliced back-punched channel steel as claimed in claim 3, wherein: the first arc-shaped bulge (6) is a hard resin bulge, and the second arc-shaped bulge (7) is an elastic rubber bulge.

5. The double-spliced back-punched channel steel capable of being spliced according to any one of claims 1 to 4, is characterized in that: the polygonal positioning hole (4) is a square hole, and the polygonal positioning column (5) is a square column.

6. The splittable double-spliced back-punched channel steel as claimed in claim 5, wherein: the end part of the polygonal positioning column (5) is fixedly connected with a handle (8).