CN211950524U - Tunnel bow member connecting plate positioner - Google Patents
Tunnel bow member connecting plate positioner Download PDFInfo
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- CN211950524U CN211950524U CN201922336687.7U CN201922336687U CN211950524U CN 211950524 U CN211950524 U CN 211950524U CN 201922336687 U CN201922336687 U CN 201922336687U CN 211950524 U CN211950524 U CN 211950524U
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Abstract
The utility model discloses a positioning device for a tunnel arch center connecting plate, which comprises two parallel rectangular positioning steel plates (1), wherein a handle steel plate (2) is welded between the two rectangular positioning steel plates (1); the handle steel plate (2) and the two rectangular positioning steel plates (1) are welded into an I shape; a group of auxiliary steel bars (3) are respectively welded on two sides of the handle steel plate (2); one rectangular positioning steel plate (1) is provided with a pair of bolt holes (4), and the bolt holes (4) are symmetrical to the perpendicular bisector (5) of the rectangular positioning steel plate; and a bolt (6) is welded in the bolt hole (4). The utility model discloses a tunnel bow member connecting plate positioner can fix a position the position of connecting plate fast, has effectively improved the efficiency of construction to the welding quality of tunnel bow member connecting plate has been guaranteed. The utility model discloses simple structure, workable, convenient to use. The positioning precision is high.
Description
Technical Field
The utility model relates to a tunnel bow member connecting plate positioner belongs to construction technical field.
Background
With the continuous development and improvement of tunnel construction technology, more and more machines are applied to tunnel construction. The tunnel needs to be supported in time after being excavated, and a connecting plate needs to be welded on the end face of the I-shaped steel in the supporting process. Because the existing construction technology is limited, a manual butt welding mode is mainly adopted when the connecting plate is welded. The position, the perpendicularity and other dimensions of the existing welding mode connecting plate after welding can generate large errors, so that the subsequent primary arch centering installation is difficult, and the progress of the whole project is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tunnel bow member connecting plate positioner, but the accurate welding position of short-term test connecting plate to guarantee that the position of connecting plate and straightness equidimension accord with the drawing requirement of hanging down, in order to overcome prior art not enough.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a positioning device for a tunnel arch center connecting plate, which comprises two parallel rectangular positioning steel plates, wherein a handle steel plate is welded between the two rectangular positioning steel plates; the handle steel plate and the two rectangular positioning steel plates are welded into an I shape; a group of auxiliary reinforcing steel bars are respectively welded on two sides of the handle steel plate; one rectangular positioning steel plate is provided with a pair of bolt holes, and the bolt holes are symmetrical to the middle vertical line of the rectangular positioning steel plate; bolts are welded in the bolt holes.
In the positioning device for the tunnel arch center connecting plate, a handle steel plate is provided with a hand-holding hole; the hand-held hole is a long round hole.
In the positioning device for the tunnel arch center connecting plate, the distance between the pair of bolt holes corresponds to the distance E between the through holes on the steel plates to be welded.
In the positioning device for the tunnel arch center connecting plate, the length L of the rectangular positioning steel plate is equal to the width B of the i-steel to be welded minus twice the thickness C of the middle point of the circular arc connecting the wing plate and the web of the i-steel to be welded, namely L is B-2 × C.
In the positioning device for the tunnel arch center connecting plate, the distance D between the centers of the bolt holes and the edges of the two ends of the rectangular positioning steel plate is equal to the length L of the rectangular positioning steel plate minus one half of the distance E between the two bolt holes, namely D ═ L-E)/2.
In the positioning device for the tunnel arch center connecting plate, a distance F between the center of the bolt hole and the bottom edge of the rectangular positioning steel plate is equal to a distance G between the center of the bolt hole and the top surface of the web plate of the to-be-welded i-steel minus a distance H between the bottom edge of the rectangular positioning steel plate and the top surface of the web plate of the to-be-welded i-steel, namely F is equal to G-H.
Compared with the prior art, the utility model discloses a tunnel bow member connecting plate positioner can fix a position the position of connecting plate fast, has effectively improved the efficiency of construction to the welding quality of tunnel bow member connecting plate has been guaranteed. The utility model discloses simple structure, workable, convenient to use. The positioning precision is high.
Drawings
FIG. 1 is a schematic diagram of the background art of the present invention;
fig. 2 is a schematic structural diagram of the present invention;
FIG. 3 is a graph showing the relationship between the main dimensions of the present invention;
fig. 4 is a schematic view of the positioning welding by the device of the utility model.
The labels in the figures are: 1-rectangular positioning steel plate, 2-handle steel plate, 3-auxiliary steel bar, 4-bolt hole, 5-rectangular positioning steel plate perpendicular bisector, 6-bolt, 7-hand hole, 8-steel plate to be welded, 9-through hole, 10-I-steel to be welded, 11-wing plate, 12-web plate, 13-circular arc, 14-nut, 15-the device of the utility model.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The utility model discloses a positioning device for a tunnel arch center connecting plate, which comprises two parallel rectangular positioning steel plates 1, wherein a handle steel plate 2 is welded between the two rectangular positioning steel plates 1; the handle steel plate 2 is provided with a hand-holding hole 7; the hand-holding hole 7 is a long round hole. The handle steel plate 2 and the two rectangular positioning steel plates 1 are welded into an I shape; a group of auxiliary steel bars 3 are respectively welded on two sides of the handle steel plate 2; a pair of bolt holes 4 is arranged on one rectangular positioning steel plate 1, and the distance between the pair of bolt holes 4 corresponds to the distance E between through holes 9 on a steel plate 8 to be welded. The bolt holes 4 are symmetrical to the perpendicular bisector 5 of the rectangular positioning steel plate; bolts 6 are welded in the bolt holes 4. The length L of the rectangular positioning steel plate 1 is equal to the width B of the I-steel 10 to be welded minus twice the thickness C of the middle point of the circular arc 13 connecting the wing plate 11 and the web plate 12 of the I-steel 10 to be welded, namely L is B-2 × C. The distance D between the centers of the bolt holes 4 and the edges of the two ends of the rectangular positioning steel plate 1 is equal to the length L of the rectangular positioning steel plate 1 minus one half of the distance E between the two bolt holes 4, namely D is (L-E)/2. The distance F between the center of the bolt hole 4 and the bottom edge of the rectangular positioning steel plate 1 is equal to the distance G between the center of the bolt hole 4 and the top surface of the web plate 12 of the I-steel 10 to be welded minus the distance H between the bottom edge of the rectangular positioning steel plate 1 and the top surface of the web plate 12 of the I-steel 10 to be welded, namely F is G-H.
Examples
The technical problem to be solved by the embodiment is shown in fig. 1, and a connecting plate 8 used on a tunnel arch is welded on the end face of an i-steel 10 to be welded according to the design requirement of a drawing. The connecting plate 8 is provided with four through holes 9, and the transverse distance between the through holes 9 is 140 mm; the upper and lower pairs of through holes 9 are symmetrical to the center line of a web plate 12 of the I-steel 10 to be welded. And the connecting plate 8 is ensured to be vertical to the end surface of the I-steel 10 to be welded. In the prior art, a manual symmetrical welding mode is adopted, so that the welding error is large, the subsequent primary arch centering installation is difficult, and the whole project progress is influenced.
The positioning device for the connecting plate of the tunnel arch centering provided by the embodiment can well solve the problems in the prior art. The positioning device for the tunnel arch connecting plate of the embodiment is shown in figure 2 and comprises two parallel rectangular positioning steel plates 1, wherein the thickness of each rectangular positioning steel plate 1 is 10 mm. A pair of bolt holes 4 are formed in one rectangular positioning steel plate 1, and the pair of bolt holes 4 is symmetrical to a perpendicular bisector 5 of the rectangular positioning steel plate; after the two bolts 6 pass through the bolt holes 4, the bolt heads are welded with the rectangular positioning steel plate 1. Then one side of the rectangular positioning steel plate 1, which is welded with the bolt head, is connected with the middle of the other rectangular positioning steel plate 1 into a whole through the handle steel plate 1; the two rectangular positioning steel plates 1 and the handle steel plate 2 are welded to form an I shape; the parallelism of the two rectangular positioning steel plates 1 is ensured during welding, and the contour lines of the two rectangular positioning steel plates 1 are overlapped. The handle steel plate 2 is provided with a handle hole 7, the handle hole 7 is a long round hole, and the edge of the hole is polished into a circular arc shape so as to be convenient for holding without putting hands. In order to prevent deformation in the using process, a group of auxiliary reinforcing steel bars 3 are respectively welded on two sides of the handle steel plate 2, and the steel plate can also be used as an auxiliary. The auxiliary steel bars 3 are used for preventing the two rectangular positioning steel plates 1 from being deformed and not parallel in the using process to cause positioning errors. As shown in fig. 3, the length L of the two rectangular positioning steel plates 1 is B-2 × C; in this example, the width B of the i-steel 10 to be welded is 200mm, and the thickness C of the middle point of the circular arc 13 connecting the wing plate 11 and the web plate 12 of the i-steel 10 to be welded is 12.9mm, so the length L of the two rectangular positioning steel plates 1 in this example is 174.2 mm. The distance between the two bolt holes 4 on one rectangular positioning steel plate 1 corresponds to the distance E between the two through holes on the connecting plate 8 to be positioned, and is 140 mm; therefore, the distance D (L-E)/2 (174.2-140) from the center of the bolt hole 4 to the edge of the near end of the rectangular positioning steel plate 1 is 17.1 mm; the distance F between the center of the bolt hole 4 and the bottom edge of the rectangular positioning steel plate 1 is G-H. Wherein H is the distance of 3.5mm between the bottom edge of the rectangular positioning steel plate 1 and the top surface of the web plate 12 of the I-steel 10 to be welded; g is the distance between the center of the bolt hole 4 and the top surface of the web plate 12 of the I-steel 10 to be welded, which is 50.5 mm; thus, F-G-H50.5-3.5-47 mm.
During concrete positioning, as shown in fig. 4, fix connecting plate 8 with nut 14 earlier the utility model discloses on two bolts 6 of device 15, then hold handle steel sheet 2 will the utility model discloses device 15 goes into the inslot of treating welding I-steel 10 to along treating welding I-steel 10 length direction and remove, make connecting plate 8 and the terminal surface of treating welding I-steel 10 lean on tightly, then weld connecting plate 8 and welding I-steel 10 as an organic whole again.
The utility model discloses a tunnel bow member connecting plate positioner can fix a position the position of connecting plate fast, has effectively improved the efficiency of construction to the welding quality of tunnel bow member connecting plate has been guaranteed. The utility model discloses simple structure, workable, convenient to use. The positioning precision is high.
Claims (6)
1. The utility model provides a tunnel bow member connecting plate positioner, includes rectangle location steel sheet (1) of two parallels, its characterized in that: a handle steel plate (2) is welded between the two rectangular positioning steel plates (1); the handle steel plate (2) and the two rectangular positioning steel plates (1) are welded into an I shape; a group of auxiliary steel bars (3) are respectively welded on two sides of the handle steel plate (2); one rectangular positioning steel plate (1) is provided with a pair of bolt holes (4), and the bolt holes (4) are symmetrical to the perpendicular bisector (5) of the rectangular positioning steel plate; and a bolt (6) is welded in the bolt hole (4).
2. The tunnel arch web positioning device of claim 1, wherein: the handle steel plate (2) is provided with a hand-holding hole (7); the hand-holding hole (7) is a long round hole.
3. The tunnel arch web positioning device of claim 1, wherein: the distance between the pair of bolt holes (4) corresponds to the distance E of the through holes (9) on the steel plate (8) to be welded.
4. The tunnel arch web positioning device of claim 1, wherein: the length L of the rectangular positioning steel plate (1) is equal to the width B of the I-shaped steel (10) to be welded minus twice the thickness C of the middle point of a circular arc (13) connecting a wing plate (11) and a web plate (12) of the I-shaped steel (10) to be welded, namely L is B-2 × C.
5. The tunnel arch web positioning device of claim 1, wherein: the distance D between the centers of the bolt holes (4) and the edges of the two ends of the rectangular positioning steel plate (1) is equal to the length L of the rectangular positioning steel plate (1) minus one half of the distance E between the two bolt holes (4), namely D is (L-E)/2.
6. The tunnel arch web positioning device of claim 1, wherein: and the distance F between the center of the bolt hole (4) and the bottom edge of the rectangular positioning steel plate (1) is equal to the distance G between the center of the bolt hole (4) and the top surface of the web plate (12) of the I-shaped steel (10) to be welded minus the distance H between the bottom edge of the rectangular positioning steel plate (1) and the top surface of the web plate (12) of the I-shaped steel (10) to be welded, namely F-G.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922336687.7U CN211950524U (en) | 2019-12-24 | 2019-12-24 | Tunnel bow member connecting plate positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922336687.7U CN211950524U (en) | 2019-12-24 | 2019-12-24 | Tunnel bow member connecting plate positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211950524U true CN211950524U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922336687.7U Expired - Fee Related CN211950524U (en) | 2019-12-24 | 2019-12-24 | Tunnel bow member connecting plate positioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN211950524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114393360A (en) * | 2022-01-21 | 2022-04-26 | 浙江交工金筑交通建设有限公司 | Automatic positioning device for welding steel arch frame connecting plate by robot |
-
2019
- 2019-12-24 CN CN201922336687.7U patent/CN211950524U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114393360A (en) * | 2022-01-21 | 2022-04-26 | 浙江交工金筑交通建设有限公司 | Automatic positioning device for welding steel arch frame connecting plate by robot |
| CN114393360B (en) * | 2022-01-21 | 2024-05-03 | 浙江交工金筑交通建设有限公司 | Automatic positioning device for robot welding steel arch connecting plate |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 Termination date: 20211224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |