CN218253429U - Laser marking device for steel arch frame connecting plate - Google Patents
Laser marking device for steel arch frame connecting plate Download PDFInfo
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- CN218253429U CN218253429U CN202222068635.8U CN202222068635U CN218253429U CN 218253429 U CN218253429 U CN 218253429U CN 202222068635 U CN202222068635 U CN 202222068635U CN 218253429 U CN218253429 U CN 218253429U
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- scriber
- connecting plate
- hole
- fixed square
- steel arch
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Abstract
The utility model relates to the technical field of tunnel construction, in particular to a laser scribing device for a steel arch frame connecting plate, which comprises a laser scribing device; the device comprises a fixed square tube, a telescopic tube is arranged at one end of the fixed square tube, and scribers are arranged below the ends, far away from each other, of the telescopic tube and the fixed square tube and used for scribing a target object; a through hole is formed in the position, above the scriber, of the pipe body of the fixed square pipe and the telescopic pipe, and a pin shaft is inserted in the through hole; the utility model discloses an utilize present accurate digital angle appearance, accurate measurement steel bow member cutting angle, after the rigidity, scriber is made to accessible welded mode, with its and connecting block butt joint, scriber this moment is drawn on the I-steel that tentatively bends and make and take shape, cuts along the direction of drawing a line, can accurately cut out the I-steel length and the end angle that need, reduces the machining error, provides the accurate, the high bow member of precision for later stage tunnel first props up.
Description
Technical Field
The utility model relates to a tunnel construction technical field specifically is a steel bow member connecting plate laser marking device.
Background
In the process of tunnel construction, the use of steel arch frames is an indispensable construction material. After the steel arch is treated by the cold bending machine at present, the construction quality and efficiency are greatly improved.
However, in the processing process, because the number of the steel arches is large, once the cutting angle is not well controlled, the steel arches are spliced on the tunnel construction site, the mouth opening phenomenon occurs, namely, the arch connecting plates cannot be attached tightly, the stress of the whole steel arch is poor, and the supporting effect is greatly reduced. The reason is that in the process of machining the steel arch, the cutting angle is inaccurate, the deviation occurs, the angle of the welding arch connecting plate is inaccurate, the connecting plate cannot be attached closely after assembly, and a solution is proposed in the patent literature for solving the problem, such as: can be through the inclination of cardboard simulation steel bow member end cutting, the required length of distance simulation steel bow member of rethread cardboard, with this formation mould, the cutting position and the inclination of steel bow member are annotated to the time mark of being convenient for cut, reduce machining error, it is accurate to provide the size for the later stage tunnel is first, the bow member that the precision is high, with this processing to the steel bow member that satisfies, but discovery when using, the marking device shape relatively fixed of its setting, only can with the bow member width adaptation of predetermineeing length, when leading to the use, when meetting the bow member of the unable adaptation of width, can't accomplish the installation, measuring error's the condition will appear, consequently, need improve it.
The above patent documents are: chinese patent publication No. CN 217019576U.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a steel bow member connecting plate laser marking device for solve the problem that above-mentioned background art provided.
The utility model discloses a laser scribing device for a steel arch center connecting plate, which comprises a laser scribing device;
the device comprises a fixed square tube, a telescopic tube is arranged at one end of the fixed square tube, and scribers are arranged below the ends, far away from each other, of the telescopic tube and the fixed square tube and used for scribing a target object;
a through hole is formed in the position, above the scriber, of the pipe body of the fixed square pipe and the telescopic pipe, and a pin shaft is inserted in the through hole;
the scriber comprises a slidable fixture block, wherein an extension rod is arranged on one side of the fixture block and used for adjusting the transverse limiting distance of the scriber.
As a further improvement, the connecting position of the fixed square tube and the telescopic tube is provided with a threaded through hole, the threaded connection of the threaded through hole is provided with a positioning bolt, and the bottom of the positioning bolt is contacted with the surface of the telescopic tube.
As a further improvement, the through-hole inboard of fixed side pipe and flexible pipe body department installation round pin axle is provided with the bearing, bearing and round pin axle phase-match.
As a further improvement, the top fixedly connected with diaphragm of scriber, the connecting block is installed at the top of diaphragm, the butt joint hole has been seted up at the top middle part of connecting block, the butt joint hole is connected with the round pin axle.
As a further improvement, the top of round pin axle is equipped with angle adjusting rod, angle adjusting rod is perpendicular setting with the top end face of round pin axle.
As a further improvement of the present invention, the transverse length of the transverse plate is greater than the transverse length of the scriber, and the bottom width of the scriber is adapted to the width of the target object.
As a further improvement of the present invention, the bottom of the scriber is upwardly provided with a mounting square groove for mounting the laser measuring device, for marking the measured target object.
As a further improvement of the utility model, one side that the scriber is located the fixture block is provided with the slide opening, the inboard and the extension rod of slide opening slide continuously.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses an utilize present accurate digital angle appearance, accurate measurement steel bow member cutting angle, after the rigidity, the accessible scriber, dock it with the connecting block, scriber this moment fixes a position on the I-steel that tentatively bends and make and take shape, utilize the laser measuring device of inboard installation square groove installation, can very show the outside to the bow member of drawing a line of eye, thereby mark, then cut in the same direction as drawing a line direction, I-steel length and end angle that can the accurate cutting needs, reduce machining error, it is accurate to provide the size for later stage tunnel first prop up, the bow member that the precision is high, the combination of simultaneous scriber and fixture block, can with the bow member adaptation of different widths, satisfy the needs that use in different scenes, the precision and the adaptation degree that improve and use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic view of the combined structure of the fixed square tube, the telescopic tube and the scriber of the present invention;
FIG. 2 is a schematic view of the other angle of the combination of the fixed square tube, the telescopic tube and the scriber of the present invention;
FIG. 3 is a schematic view of the combined front view structure of the fixed square tube, the telescopic tube and the scriber of the present invention;
FIG. 4 is a schematic view of the side view structure of the combination of the fixed square tube, the telescopic tube and the scriber of the present invention;
FIG. 5 is a schematic view of the top view structure of the assembly of the fixed square tube, the telescopic tube and the scriber of the present invention;
FIG. 6 is a schematic view of the three-dimensional structure of the combination of the line marker and the transverse plate of the present invention;
FIG. 7 is a schematic view of a side view of the combination of the scriber, the square tube and the pin shaft of the present invention;
FIG. 8 is a schematic view of the cutting and scribing of the steel arch according to the present invention;
FIG. 9 is a simplified schematic view of the combination of the scriber and the fixed square tube of the present invention;
fig. 10 is a schematic bottom-up perspective view of the scriber of the present invention;
FIG. 11 is a schematic view of the structure of the combination of the scriber and the fixture block of the present invention;
fig. 12 isbase:Sub>A schematic sectional view taken along linebase:Sub>A-base:Sub>A of fig. 11 according to the present invention.
In the figure: 1. fixing the square tube; 2. a pin shaft; 3. a transverse plate; 4. a scriber; 5. a bearing; 11. positioning the bolt; 12. a telescopic pipe; 31. connecting blocks; 32. a butt joint hole; 41. an extension rod; 42. a clamping block; 43. A slide hole; 44. and (5) installing a square groove.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the invention, these physical details are not necessary. In addition, for simplicity, some conventional structures and components are shown in the drawings in a simplified schematic manner.
In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, 2, 11 and 12, the present application provides a laser scribing apparatus for a steel arch connecting plate, including;
the device comprises a fixed square tube 1, wherein one end of the fixed square tube 1 is provided with a telescopic tube 12, and scribers 4 are arranged below the ends, far away from each other, of the telescopic tube 12 and the fixed square tube 1 and used for scribing a target object;
a through hole is arranged above the scriber 4 at the pipe body of the fixed square pipe 1 and the telescopic pipe 12, and a pin shaft 2 is inserted;
the scriber 4 comprises a sliding block 42, an extension rod 41 is arranged on one side of the sliding block 42 and used for adjusting the transverse limiting distance of the scriber 4, a sliding hole 43 is arranged on one side of the scriber 4, which is positioned on the sliding block 42, and the inner side of the sliding hole 43 is connected with the extension rod 41 in a sliding way.
In this embodiment, the scriber 4 that utilizes the 2 cooperation settings of round pin axle that set up is in the combination, can with the steel bow member adaptation that needs the rule, thereby combine the digital angle appearance of laser, can restrict the angle of cutting, the too big problem of angular discrepancy appears when avoiding cutting, and when using here, the scriber 4 that sets up can with fixture block 42 adaptation, utilize extension rod 41's drawing, thereby when using, can with the bow member adaptation of different width, satisfy the needs of using, this simple structure simultaneously, the welding degree of difficulty is low, can be better under the site environment, provide the foundation for the rule cutting.
Referring to fig. 1, 2, 3, 4 and 5, when processing the scribe line, because the length of the steel arch is not fixed, during processing, the installation position of the scribe line 4 needs to be adjusted according to the actual length of the steel arch, and the previous adjustment method is to replace the support for installing the scribe line 4, which is not convenient to use.
Based on the above consideration, a threaded through hole may be formed at the connection position of the fixed square pipe 1 and the telescopic pipe 12, a positioning bolt 11 is connected to the threaded through hole through a thread, and the bottom end of the positioning bolt 11 contacts with the surface of the telescopic pipe 12.
In this embodiment, the set positioning bolt 11 is matched with the set threaded through hole, when the position of the marker 4 needs to be adjusted, only the position of the telescopic pipe 12 and the fixed square pipe 1 needs to be adjusted, and the requirement for adjustment can be met at this time.
Referring to fig. 4 and 7, in the practical use process, two ends of the scribe line of the steel arch are generally symmetrical, so that when the steel arch is scribed, one of the scribers 4 needs to be fixed first, and after the fixing, the other scriber 4 can be used for quickly positioning.
Based on the consideration, the bearing 5 can be arranged on the inner side of the through hole of the installation pin shaft 2 at the pipe body of the fixed square pipe 1 and the telescopic pipe 12, the bearing 5 is matched with the pin shaft 2, the top of the pin shaft 2 is provided with an angle adjusting rod, and the angle adjusting rod is vertically arranged with the top end face of the pin shaft 2.
In this embodiment, one of the two scribers 4 is installed below the fixed square tube 1, after being matched with one end of the steel arch, the scriber can be fixed at one end of the steel arch by inserting and screwing the pin shaft 2, and the other scriber 4 can be positioned by adjusting the angle by using the bearing 5 along the arc of the steel arch according to the actual length, and finally, the steel arch is cut.
Referring to fig. 6, when the scriber 4 is used, since the scriber 4 is adapted to the steel arch and is formed by temporarily cutting and welding steel plates, the scriber 4 and the fixed square pipe 1 are not generally welded to each other in order to ensure the stability of connection and to allow the fixed square pipe 1 to be continuously used.
Based on the above consideration, in the combination, for improving the stability of connection, can be at top fixedly connected with diaphragm 3 of scriber 4, connecting block 31 is installed at the top of diaphragm 3, and butt joint hole 32 has been seted up at the top middle part of connecting block 31, and butt joint hole 32 is connected with round pin axle 2, and the lateral length of diaphragm 3 is greater than the lateral length of scriber 4, and the width adaptation of the bottom width of scriber 4 and target object.
In the embodiment, the transverse plate 3 is arranged to provide the connection requirement with the pin shaft 2 and the scriber 4, so that the requirement for installing different scribers 4 can be met.
Further, referring to fig. 10, after the marker 4 is fitted to the steel arch, the angle of the limited position needs to be marked, and the marking is performed by attaching the bottom of the steel arch in the past, but the marking accuracy is low.
In view of the above, a mounting square groove for mounting a laser measuring device may be provided upward at the bottom of the scriber 4, for marking a target object to be measured.
In this embodiment, under the matching of the scriber 4 and the mounting square groove, the laser measuring device can be clearly displayed by laser after being matched, namely after being fixed in position, so as to perform scribing, thereby meeting the use requirement.
The utility model discloses a work flow does:
as shown in fig. 8, the central angle of the steel arch is G, so that for convenience of field control, the length of the steel arch is generally controlled by using a middle chord length, and an included angle between a perpendicular line of a middle chord end point and a connecting plate (the connecting plate is in diameter) is a/2;
in the schematic diagram, the central angle is G, A represents a steel arch frame to be processed, B, C, D are respectively an outer chord, a middle chord and an inner chord, F is a perpendicular line of an end point of the middle chord, and E represents a connecting plate.
As shown in fig. 9, the schematic flow of the device for fast positioning and precise chord length and angle control of the steel arch connecting plate is as follows,
the square tube drawing device is characterized by comprising two scribers 4, wherein one scriber 4 is fixed (the position is fixed, and the angle can be adjusted through a pin shaft 2), the other scriber 4 can move along with a square tube, and under the combination of a fixed square tube 1 and a telescopic tube 12, the two scribers 4 can rotate around the pin shaft 2 connected with a transverse connecting piece combining the fixed square tube 1 and the telescopic tube 12. After the movable scriber 4 is slid to a design middle chord length +2 from the fixed scriber 4 to a design connecting plate thickness position, the fixed scriber 4 is rotated by using a digital display angle ruler, an included angle between the movable scriber 4 and the fixed square tube 1 is alpha/2, and then the movable scriber is locked by using a bolt, so that accurate required chord length and angle can be obtained, and the required arch center can be obtained by scribing and cutting by using the device.
The steel arch centering required on site has more sizes, more I-steel types, different radians and different lengths, and the needed scriber 4 can be quickly and accurately obtained by using the device, so that the processing efficiency and the quality are greatly improved.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a steel bow member connecting plate laser marking device which characterized in that: comprises the following steps of;
the device comprises a fixed square pipe (1), wherein one end of the fixed square pipe (1) is provided with a telescopic pipe (12), and scribers (4) are arranged below the ends, far away from each other, of the telescopic pipe (12) and the fixed square pipe (1) and used for scribing a target object;
a through hole is formed in the position, above the scriber (4), of the pipe body of the fixed square pipe (1) and the telescopic pipe (12), and a pin shaft (2) is inserted in the through hole;
the scriber (4) comprises a slidable clamping block (42), and an extension rod (41) is installed on one side of the clamping block (42) and used for adjusting the transverse limiting distance of the scriber (4).
2. The laser scribing device for the steel arch center connecting plate according to claim 1, wherein: the connecting position of the fixed square tube (1) and the telescopic tube (12) is provided with a threaded through hole, the threaded through hole is in threaded connection with a positioning bolt (11), and the bottom end of the positioning bolt (11) is in contact with the surface of the telescopic tube (12).
3. The laser scribing device for the steel arch center connecting plate according to claim 1, wherein: the bearing (5) is arranged on the inner side of a through hole of the mounting pin shaft (2) at the pipe body of the fixed square pipe (1) and the telescopic pipe (12), and the bearing (5) is matched with the pin shaft (2).
4. The laser scribing device for the steel arch center connecting plate according to claim 1, wherein: the top fixedly connected with diaphragm (3) of scriber (4), connecting block (31) is installed at the top of diaphragm (3), butt joint hole (32) has been seted up at the top middle part of connecting block (31), butt joint hole (32) are connected with round pin axle (2).
5. The laser scribing device for the steel arch center connecting plate according to claim 1, wherein: the top of round pin axle (2) is equipped with the angle modulation pole, the angle modulation pole is perpendicular setting with the top terminal surface of round pin axle (2).
6. The laser scribing device for the steel arch center connecting plate according to claim 4, wherein: the transverse length of the transverse plate (3) is greater than that of the scriber (4), and the width of the bottom of the scriber (4) is matched with that of the target.
7. The laser scribing device for the steel arch center connecting plate according to claim 1, wherein: and a mounting square groove for mounting a laser measuring device is upwards arranged at the bottom of the scriber (4) and is used for marking a measured target object.
8. The laser scribing device for the steel arch center connecting plate according to claim 1, wherein: one side of the scriber (4) positioned on the clamping block (42) is provided with a sliding hole (43), and the inner side of the sliding hole (43) is connected with the extension rod (41) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222068635.8U CN218253429U (en) | 2022-08-07 | 2022-08-07 | Laser marking device for steel arch frame connecting plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222068635.8U CN218253429U (en) | 2022-08-07 | 2022-08-07 | Laser marking device for steel arch frame connecting plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218253429U true CN218253429U (en) | 2023-01-10 |
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ID=84765166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222068635.8U Active CN218253429U (en) | 2022-08-07 | 2022-08-07 | Laser marking device for steel arch frame connecting plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218253429U (en) |
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2022
- 2022-08-07 CN CN202222068635.8U patent/CN218253429U/en active Active
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