CN212885939U - Tunnel steel bow member connecting plate positioner - Google Patents
Tunnel steel bow member connecting plate positioner Download PDFInfo
- Publication number
- CN212885939U CN212885939U CN202021368645.8U CN202021368645U CN212885939U CN 212885939 U CN212885939 U CN 212885939U CN 202021368645 U CN202021368645 U CN 202021368645U CN 212885939 U CN212885939 U CN 212885939U
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- connecting rod
- fixing plate
- positioning clamping
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 96
- 239000010959 steel Substances 0.000 title claims abstract description 96
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000010276 construction Methods 0.000 abstract description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a tunnel steel arch connecting steel plate positioning device, which relates to the technical field of tunnel engineering construction equipment and comprises a connecting and fixing plate, wherein one side of the connecting and fixing plate is provided with a positioning clamping groove for accommodating I-steel, a slidable upper positioning clamping plate is arranged above the connecting and fixing plate in parallel, the upper positioning clamping plate is vertically aligned with the connecting and fixing plate in the direction perpendicular to the two sides of the installation direction of the I-steel, a positioning clamping groove is arranged on the upper positioning clamping plate close to the side of the I-steel, and the upper positioning clamping plate and the connecting and fixing plate are hinged and connected through a connecting; the connecting fixing plate is close to the slidable supporting plate symmetrically distributed at the side end of the joist steel, the inclination angle of the supporting plate is consistent with the angle of the inclined plane of the joist steel, the connecting fixing plate and the upper positioning clamping plate which are arranged in an up-and-down alignment mode are used for positioning, the positioning accuracy is high, the positioning of the arc-shaped joist steel and the oblique joist steel is met, the applicability is wider, the operation is simple, and the construction quality and the construction efficiency are improved.
Description
Technical Field
The utility model belongs to the technical field of tunnel engineering construction equipment, concretely relates to tunnel steel bow member connecting plate positioner.
Background
At present, in the excavation construction technology of tunnel engineering, a steel arch in a supporting structure is generally made of H-shaped steel or I-shaped steel. In the installation and manufacturing of the tunnel steel arch, if errors exist in welding, when primary support construction is carried out on a tunnel, the problems that the deviation exists in arch assembling, the steel arch is distorted, bolts cannot be installed completely due to misplacement of bolt holes of connecting plates and the like can be caused, the stress structure of the primary support steel arch is influenced, and great potential safety quality hazards exist.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to provide a tunnel steel bow member connecting plate positioner to solve the problem that provides in the above-mentioned background art.
The purpose of the utility model can be realized by the following technical scheme: a positioning device for a connecting steel plate of a tunnel steel arch comprises a connecting fixed plate, wherein one side of the connecting fixed plate is provided with a positioning clamping groove for accommodating an I-shaped steel, a slidable upper positioning clamping plate is arranged above the connecting fixed plate in parallel, the upper positioning clamping plate is vertically aligned with the connecting fixed plate along the direction perpendicular to the installation direction of the I-shaped steel, a positioning clamping groove is arranged on the upper positioning clamping plate close to the side of the I-shaped steel, and the upper positioning clamping plate is hinged with the connecting fixed plate through a connecting rod pair;
the connecting and fixing plate is close to the slidable supporting plate symmetrically distributed at the center of the side end of the I-steel, the inclination angle of the supporting plate is consistent with the angle of the inclined plane of the I-steel, the supporting plate is close to the side face of the positioning clamping groove and can be attached to the inclined plane of the I-steel, the connecting and fixing plate is far away from the side of the I-steel, symmetrically distributed with positioning studs, and the positioning studs are welded and fixed.
As a further scheme of the utility model, the bilateral symmetry who connects the fixed plate and align with last location cardboard distributes and has first connecting rod and second connecting rod, first connecting rod and second connecting rod are parallel, and first connecting rod and second connecting rod upper end all are articulated with last location cardboard, and first connecting rod and second connecting rod lower extreme all articulate with being connected the fixed plate, the second connecting rod is close to the I-steel side and is equipped with spacing fixed establishment.
As a further aspect of the present invention, the limiting fixing mechanism on the second connecting rod includes a third connecting rod and a fixing seat, one end of the third connecting rod is hinged to the second connecting rod, and the third connecting rod is hinged to the fixing seat which is close to one end of the i-steel and can horizontally slide.
As a further scheme of the utility model, fixing base central point puts and has seted up U type groove, the U type inslot is equipped with the compression screw bolt, compression screw bolt and connection fixed plate threaded connection, and the compression screw bolt lower extreme is connected with the nut.
As a further scheme of the present invention, the connecting and fixing plate has a first sliding groove and a second sliding groove on the upper surface near the side of the i-beam, the first sliding groove and the second sliding groove are perpendicular to each other, the second sliding groove is located at the center of the connecting and fixing plate, and the second sliding groove is perpendicular to the side of the connecting and fixing plate near the i-beam;
the second lug and the second spout joint that the backup pad lower extreme set up, be equipped with the slidable connecting block in the middle of the backup pad, the first lug joint that the connecting block lower extreme set up is in first spout, be equipped with the fourth connecting rod in the middle of backup pad and the connecting block, fourth connecting rod one end is articulated near the second hinged support that the connecting block side set up with the backup pad, and the fourth connecting rod other end is articulated with the round bar that sets up on the connecting block.
As a further scheme of the utility model, the round hole has been seted up at the connecting block center, be equipped with rotatable control rod in the round hole, the control rod rotates with the connecting block to be connected, the I-steel side is kept away from with the connecting block junction to the control rod and is equipped with the shaft shoulder, the control rod is close to I-steel terminal surface threaded connection and has the bolt, the bolt is close to the connecting block side and is equipped with the gasket.
As a further scheme of the utility model, the control rod is the step shaft form, and the control rod is kept away from the connecting block side and is held for big diameter, is held for the minor diameter with connecting block connecting portion, the control rod major diameter end is equipped with the support, the support with be connected fixed plate welded fastening, the support rotates with the control rod to be connected.
As a further scheme of the utility model, the control rod major diameter cylinder is close to the connecting block side and opens the external screw thread that is equipped with 2cm, the support center has been seted up and has been held the cylindrical circular slot of control rod major diameter, the central circular slot of support is close to the connecting block end and has been seted up the outer screw hole that matches with the external screw thread.
The utility model has the advantages that: compared with the prior art that the single connecting plate is used for positioning through the stud, the connecting plates aligned in parallel are used for double positioning, the positioning precision is high, the positioning of the arc-shaped I-shaped steel and the oblique I-shaped steel is met, the applicability is wider, and the operation is simple; the supporting plates are arranged on the inclined planes on the two sides of the middle of the I-shaped steel to support and clamp, so that the centering property of the installation of the I-shaped steel is ensured, and meanwhile, the fixing, the limiting and the operation are stable and convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the connecting and fixing plate of the present invention;
FIG. 3 is a schematic view of the connecting block structure of the present invention;
fig. 4 is a schematic structural view of the support plate of the present invention;
FIG. 5 is a schematic structural view of the joystick of the present invention;
in the figure: the device comprises an upper positioning clamping plate-1, a first connecting rod-2, a second connecting rod-3, a connecting fixing plate-4, a third connecting rod-5, a fixing seat-6, a compression stud-7, a connecting block-8, a supporting plate-9, a fourth connecting rod-10, an operating rod-11, a support-12, a positioning stud-13, a gasket-14, a bolt-115, a positioning clamping groove-41, a first sliding groove-42, a second sliding groove-43, a U-shaped groove-61, a round rod-81, a round hole-82, a first bump-83, a second bump-91, a second hinged support-92, a round groove-121, an external thread-111 and a shaft shoulder-112.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 5, in an embodiment of the present invention, a positioning device for a tunnel steel arch connecting steel plate includes a connecting fixing plate 4, a positioning slot 41 for accommodating an i-steel is formed in one side of the connecting fixing plate 4, a slidable upper positioning clamping plate 1 is disposed above the connecting fixing plate 4 in parallel, the upper positioning clamping plate 1 is vertically aligned with the connecting fixing plate 4 in a direction perpendicular to the installation direction of the i-steel, the upper positioning clamping plate 1 is provided with a positioning slot 41 near the side of the i-steel, and the upper positioning clamping plate 1 and the connecting fixing plate 4 are hinged to each other by a link pair;
the connecting and fixing plate 4 is close to the slidable supporting plate 9 symmetrically distributed at the center of the side end of the I-steel, the inclination angle of the supporting plate 9 is consistent with the angle of the inclined plane of the I-steel, the supporting plate 9 is close to the side face of the positioning clamping groove 41 and can be attached to the inclined plane of the I-steel, the connecting and fixing plate 4 is far away from the side of the I-steel, and the positioning studs 13 are symmetrically distributed and fixed on the side of the I-.
When the steel arch is installed and positioned, a positioning device consisting of an upper positioning clamping plate 1 and a connecting fixing plate 4 is installed on an I-steel, a positioning stud 13 penetrates through a stud installing hole of a transverse plate support at the bottom of the I-steel, the I-steel is clamped on a positioning clamping groove 41 of the connecting fixing plate 4 and the upper positioning clamping plate 1 at one time for positioning, then a supporting plate 9 is moved to enable the supporting plate 9 to be attached to and tightly press the inclined surface of the I-steel, the upper positioning clamping plate 1 and the connecting fixing plate 4 are connected through a connecting rod pair, namely the connecting fixing plate 4 can slide along the I-steel installing direction relative to the upper positioning clamping plate 1, namely the relative position of the upper positioning clamping plate 1 and the connecting fixing plate 4 in the vertical direction is adjustable; the supporting plates 9 which are symmetrically arranged move to clamp the inner part of the I-shaped steel, so that extrusion deformation of the I-shaped steel is avoided, and the centering property of the I-shaped steel relative to the connecting and fixing plate 4 is ensured.
The utility model discloses a fixing device for connecting two I-steel, including connecting fixed plate 4, last location cardboard 1, first connecting rod 2 and second connecting rod 3 are parallel, and first connecting rod 2 and second connecting rod 3 upper end all are articulated with last location cardboard 1, and first connecting rod 2 and 3 lower extremes of second connecting rod all are articulated with connecting fixed plate 4, second connecting rod 3 is close to the I-steel side and is equipped with spacing fixed establishment, as shown in figure 1, through removing last location cardboard 1 promptly, realizes going up location cardboard 1 and the adjustment of connecting fixed plate 4 vertical direction relative position, can satisfy the location of arc or oblique I-steel, and application range is wider.
Spacing fixed establishment on second connecting rod 3 includes third connecting rod 5 and fixing base 6, and 5 one end of third connecting rod is articulated with second connecting rod 3, but third connecting rod 5 is close to the one end of I-steel and is articulated with horizontal slip's fixing base 6, but fixing base 6 drives third connecting rod 5 and removes during the slip fixing base 6, and third connecting rod 5 drives second connecting rod 3 and overturns, controls the angle of second connecting rod 3 and horizontal plane through the position of adjustment fixing base 6 promptly, thereby the relative position of location cardboard 1 and connection fixed plate 4 on the adjustment.
Preferably, a U-shaped groove 61 is formed in the center of the fixing seat 6, a compression stud 7 is arranged in the U-shaped groove 61, the compression stud 7 is in threaded connection with the connecting and fixing plate 4, a nut is connected to the lower end of the compression stud 7, and after the position of the upper positioning clamping plate 1 and the position of the connecting and fixing plate 4 are adjusted, the fixing seat 6 and the connecting and fixing plate 4 are pressed and attached tightly through the compression stud 7 to limit the movement of the fixing seat 6, so that the relative position of the upper positioning clamping plate 1 and the connecting and fixing plate 4 is maintained.
Preferably, a first sliding groove 42 and a second sliding groove 43 are formed in the upper surface of the connecting and fixing plate 4 near the side of the i-beam, as shown in fig. 2, the first sliding groove 42 is perpendicular to the second sliding groove 43, the second sliding groove 43 is located in the center of the connecting and fixing plate 4, and the second sliding groove 43 is perpendicular to the side surface of the connecting and fixing plate 4 near the i-beam; second lug 91 and the joint of second spout 43 that the backup pad 9 lower extreme set up, be equipped with slidable connecting block 8 in the middle of the backup pad 9, the first lug 83 joint that the lower extreme of connecting block 8 set up is in first spout 42, be equipped with fourth connecting rod 10 in the middle of backup pad 9 and the connecting block 8, fourth connecting rod 10 one end is articulated near the second hinged support 92 that connecting block 8 side set up with backup pad 9, and the round bar 81 that sets up on the fourth connecting rod 10 other end and the connecting block 8 is articulated, as shown in fig. 1 and 3, when connecting block 8 removed to the right side along first spout 42 straight line, connecting block 8 was slided and is pressed from both sides tight I-steel inclined plane through fourth connecting rod 10 drive backup pad 9, pressed from both sides tightly spacing.
Preferably, the round hole 82 has been seted up at the connecting block 8 center, is equipped with rotatable control rod 11 in the round hole 82, control rod 11 rotates with connecting block 8 to be connected, as shown in fig. 1 and 5, the I-steel side is kept away from with connecting block 8 junction to control rod 11, and the shaft shoulder 112 is equipped with on the right side and the left side laminating of connecting block 8, and control rod 11 is close to I-steel terminal surface threaded connection and has bolt 15, bolt 15 is close to connecting block 8 side and is equipped with gasket 14, fixes the restriction on control rod 11 with connecting block 8 through bolt 15 and gasket 14 promptly, and when control rod 11 moved to the right side, drive connecting block 8 moved to the.
The operating rod 11 is in a stepped shaft shape, the side of the operating rod 11, which is far away from the connecting block 8, is a large-diameter end, as shown in fig. 5, namely the diameter of the left end of the operating rod 11 is larger than that of the right end, a support 12 is arranged at the large-diameter end of the operating rod 11, as shown in fig. 1, the support 12 is welded and fixed with the connecting and fixing plate 4, the support 12 is movably connected with the operating rod 11, and the operating rod 11 can rotate in the support 12 and can also slide left and right.
Preferably, the side of the large-diameter cylinder of the operating lever 11, which is close to the connecting block 8, is provided with an external thread 111 of 2cm, as shown in fig. 5, the center of the support 12 is provided with a shaft shoulder 112 for accommodating the large-diameter cylinder of the operating lever 11, as shown in fig. 2, the end of the circular hole in the center of the support 12, which is close to the connecting block 8, is provided with an internal thread matched with the external thread 111, that is, the right end of the large-diameter cylinder of the operating lever 11 is in threaded connection with the right end of the support 12, when the operating lever 11 slides rightwards for a certain distance, the operating lever 11 is rotated to screw the operating lever 11 into the right end of the support 12, so as to ensure that the operating lever 11 is fixed, and maintain the supporting plate 9 in a state of clamping an i-steel, the operating lever 11 is fastened and reliable, and the supporting plate 9 is driven to retract towards the middle so as to be separated from the pressing and fixing of the inclined plane of the I-shaped steel, the dismounting is convenient, and the working efficiency is improved.
The utility model discloses a theory of operation is: the utility model provides a tunnel steel bow member connecting plate positioner, upper positioning cardboard 1 and connecting fixed plate 4 are connected through connecting rod pair connecting first connecting rod 2 and second connecting rod 3, make the relative position of upper positioning cardboard 1 and connecting fixed plate 4 adjustable, through removing fixing base 6, adjust the inclination of second connecting rod 3, thereby adjust the relative position of upper positioning cardboard 1 and connecting fixed plate 4, can satisfy the location connection installation of arc and the I-steel of putting to one side, have improved the suitability; meanwhile, a supporting plate 9 is arranged on the side of the middle slope of the positioning clamping groove 41, the control rod 11 is moved and rotated to control the connecting block 8 to move, the connecting block 8 drives the supporting plate 9 to move outwards from the center through a fourth connecting rod 10, and the supporting plate 9 is attached to and pressed against the slope of the I-shaped steel, so that the I-shaped steel and the connecting fixing plate 4 are fixed and stable in clamping, high in positioning precision, convenient and fast to operate and convenient to detach.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the method is simple. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
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 invention. Therefore, the present invention should be considered as illustrative and not restrictive in any sense, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and the preferred embodiments of the present invention are not intended to be limiting of the invention, and all changes, equivalents, modifications, etc. that come within the spirit and scope of the invention are intended to be embraced therein.
Claims (8)
1. A positioning device for a connecting steel plate of a tunnel steel arch frame comprises a connecting fixing plate (4), wherein one side of the connecting fixing plate (4) is provided with a positioning clamping groove (41) for accommodating an I-shaped steel, and is characterized in that a slidable upper positioning clamping plate (1) is arranged above the connecting fixing plate (4) in parallel, the upper positioning clamping plate (1) is vertically aligned with the connecting fixing plate (4) in a direction perpendicular to the two sides of the I-shaped steel installation direction, the upper positioning clamping plate (1) is provided with a positioning clamping groove (41) close to the side of the I-shaped steel, and the upper positioning clamping plate (1) is hinged with the connecting fixing plate (4) through a connecting rod;
connecting fixed plate (4) are close to I-steel side central symmetry and distribute slidable backup pad (9), backup pad (9) inclination is unanimous with I-steel inclined plane angle, and backup pad (9) are close to positioning channel (41) side and can laminate with the I-steel inclined plane, connecting fixed plate (4) are kept away from I-steel side symmetry and are distributed and have positioning stud (13), positioning stud (13) and connecting fixed plate (4) welded fastening.
2. The positioning device for the connecting steel plate of the tunnel steel arch centering according to claim 1, wherein a first connecting rod (2) and a second connecting rod (3) are symmetrically distributed on two sides of the connecting fixing plate (4) aligned with the upper positioning clamping plate (1), the first connecting rod (2) and the second connecting rod (3) are parallel, the upper ends of the first connecting rod (2) and the second connecting rod (3) are hinged with the upper positioning clamping plate (1), the lower ends of the first connecting rod (2) and the second connecting rod (3) are hinged with the connecting fixing plate (4), and a limiting fixing mechanism is arranged on the second connecting rod (3) close to the side of the joist steel.
3. The positioning device for the connecting steel plate of the tunnel steel arch according to claim 2, wherein the limiting and fixing mechanism on the second connecting rod (3) comprises a third connecting rod (5) and a fixing seat (6), one end of the third connecting rod (5) is hinged with the second connecting rod (3), and one end of the third connecting rod (5) close to the I-steel is hinged with the fixing seat (6) capable of sliding horizontally.
4. The positioning device for the connecting steel plates of the tunnel steel arch centering according to claim 3, characterized in that a U-shaped groove (61) is formed in the center of the fixing seat (6), a compression stud (7) is arranged in the U-shaped groove (61), the compression stud (7) is in threaded connection with the connecting and fixing plate (4), and a nut is connected to the lower end of the compression stud (7).
5. The positioning device for the connecting steel plates of the tunnel steel arch centering according to claim 1, wherein the upper surface of the connecting and fixing plate (4) near the side of the i-steel is provided with a first sliding groove (42) and a second sliding groove (43), the first sliding groove (42) and the second sliding groove (43) are perpendicular, the second sliding groove (43) is positioned at the center of the connecting and fixing plate (4), and the second sliding groove (43) and the side of the connecting and fixing plate (4) near the i-steel are perpendicular to each other;
second lug (91) and second spout (43) joint that backup pad (9) lower extreme set up, be equipped with slidable connecting block (8) in the middle of backup pad (9), first lug (83) joint that connecting block (8) lower extreme set up is in first spout (42), be equipped with fourth connecting rod (10) in the middle of backup pad (9) and connecting block (8), fourth connecting rod (10) one end is articulated near second articulated bearing (92) that connecting block (8) side set up with backup pad (9), and fourth connecting rod (10) other end is articulated with round bar (81) that set up on connecting block (8).
6. The positioning device for the connecting steel plate of the tunnel steel arch centering according to claim 5, characterized in that a round hole (82) is formed in the center of the connecting block (8), a rotatable operating lever (11) is arranged in the round hole (82), the operating lever (11) is rotatably connected with the connecting block (8), a shaft shoulder (112) is arranged at the joint of the operating lever (11) and the connecting block (8) and away from the side of the I-shaped steel, a bolt (15) is connected to the operating lever (11) close to the end face of the I-shaped steel in a threaded manner, and a gasket (14) is arranged on the side of the bolt (15) close to the connecting.
7. The positioning device for the connecting steel plate of the tunnel steel arch centering according to claim 6, wherein the operating rod (11) is in a stepped shaft shape, the side of the operating rod (11) far away from the connecting block (8) is a large-diameter end, the connecting part with the connecting block (8) is a small-diameter end, the large-diameter end of the operating rod (11) is provided with a support (12), the support (12) is fixedly welded with the connecting fixing plate (4), and the support (12) is rotatably connected with the operating rod (11).
8. The positioning device for the connecting steel plate of the tunnel steel arch according to claim 7, wherein a 2cm external thread (111) is arranged on the side of the large-diameter cylinder of the operating lever (11) close to the connecting block (8), a circular groove (121) for accommodating the large-diameter cylinder of the operating lever (11) is arranged in the center of the support (12), and an external thread hole matched with the external thread (111) is arranged on the end of the central circular hole of the support (12) close to the connecting block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021368645.8U CN212885939U (en) | 2020-07-13 | 2020-07-13 | Tunnel steel bow member connecting plate positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021368645.8U CN212885939U (en) | 2020-07-13 | 2020-07-13 | Tunnel steel bow member connecting plate positioner |
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| Publication Number | Publication Date |
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| CN212885939U true CN212885939U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021368645.8U Expired - Fee Related CN212885939U (en) | 2020-07-13 | 2020-07-13 | Tunnel steel bow member connecting plate positioner |
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| Country | Link |
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| CN (1) | CN212885939U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111805141A (en) * | 2020-07-13 | 2020-10-23 | 中交一公局第四工程有限公司 | Tunnel steel bow member connecting plate positioner |
| CN113431606A (en) * | 2021-07-19 | 2021-09-24 | 浙江交工集团股份有限公司 | Positioning device suitable for multi-specification tunnel steel arch connecting plate and construction method |
| CN114243200A (en) * | 2021-12-03 | 2022-03-25 | 上海建桥学院有限责任公司 | New energy automobile battery module positioning module and numerical control machining method thereof |
-
2020
- 2020-07-13 CN CN202021368645.8U patent/CN212885939U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111805141A (en) * | 2020-07-13 | 2020-10-23 | 中交一公局第四工程有限公司 | Tunnel steel bow member connecting plate positioner |
| CN111805141B (en) * | 2020-07-13 | 2024-04-30 | 中交一公局第四工程有限公司 | Tunnel steel arch connecting steel plate positioning device |
| CN113431606A (en) * | 2021-07-19 | 2021-09-24 | 浙江交工集团股份有限公司 | Positioning device suitable for multi-specification tunnel steel arch connecting plate and construction method |
| CN113431606B (en) * | 2021-07-19 | 2022-08-19 | 浙江交工集团股份有限公司 | Positioning device suitable for multi-specification tunnel steel arch connecting plate and construction method |
| CN114243200A (en) * | 2021-12-03 | 2022-03-25 | 上海建桥学院有限责任公司 | New energy automobile battery module positioning module and numerical control machining method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20210406 |