CN220805559U - Drilling equipment of bridge steel template - Google Patents
Drilling equipment of bridge steel template Download PDFInfo
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- CN220805559U CN220805559U CN202322686440.4U CN202322686440U CN220805559U CN 220805559 U CN220805559 U CN 220805559U CN 202322686440 U CN202322686440 U CN 202322686440U CN 220805559 U CN220805559 U CN 220805559U
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- 238000005553 drilling Methods 0.000 title claims abstract description 78
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 76
- 239000010959 steel Substances 0.000 title claims abstract description 76
- 239000000428 dust Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 57
- 239000002351 wastewater Substances 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 239000012634 fragment Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Drilling And Boring (AREA)
Abstract
The utility model discloses drilling equipment for bridge steel templates, which comprises a supporting component, a supporting component and a supporting component, wherein the supporting component is arranged on the supporting component; the drilling assembly comprises a moving part, a drilling part and a dust removing part, wherein the drilling part is arranged on the moving part, and the moving part is arranged on the collecting part. The utility model has the beneficial effects that: the fixing piece and the clamping piece that set up are used for fixing the steel form in the X-axis and Y-axis directions, so that the stability of fixing is improved, the steel form can be fixed while a plurality of bridge steel forms are completed, the frequency of replacing the steel form is reduced, the drilling efficiency of the steel form is effectively improved, the steel form drilled with holes is subjected to dust removal and cooling through the collecting piece and the dust removing piece, and the workpiece fragments falling in the drilled holes and the waste water after dust removal are collected through the collecting box, so that the construction environment is prevented from being polluted.
Description
Technical Field
The utility model relates to the technical field of steel template processing, in particular to drilling equipment for a bridge steel template.
Background
The steel template is used for concrete pouring molding, and besides the steel template, a wooden template, a plywood template and the like, the steel template is widely applied to constructional engineering by the characteristics of repeated use, attractive concrete pouring molding and the like; the steel template is also called as a detachable template net (not shown) and can replace a wood template, so that the removal of pore water pressure and bubbles in concrete pressure by the traditional sealing template such as wood, plywood or steel plate is obviously reduced, the construction can be carried out without carrying out rough cutting operation, and the Chinese patent application number is: CN 202223337162.3's an automatic drilling device is used in steel form processing, its beneficial effect is: according to the utility model, the mounting box is driven to move downwards through the lifting mechanism, so that the drilling mechanism moves into the grid of the steel template, the drill bit is driven to rotate through the power mechanism, and when the mounting box cannot move downwards continuously, the lifting mechanism moves downwards continuously, so that the drilling mechanism is extruded to two sides, the drill bit drills the inner wall of the grid, and the machining efficiency is improved.
The automatic drilling device for processing the steel template has the following defects: during use, the steel templates of the bridge are not convenient to fix simultaneously when being fixed and punched, the frequency of replacing the steel templates is increased, the drilling efficiency of the steel templates is reduced, the steel templates are stable and not high when being fixed, dust after drilling is not convenient to collect, and the bridge steel template drilling equipment is provided according to the problems.
Disclosure of utility model
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.
The present utility model has been made in view of the above-mentioned and/or existing problems in bridge steel form drilling equipment.
Therefore, the device solves the problems that when in use, the device is inconvenient to fix a plurality of bridge steel templates at the same time during fixing and punching, the frequency of replacing the steel templates is increased, the drilling efficiency of the steel templates is reduced, the device is stable and not high during fixing, and dust after drilling is inconvenient to collect.
In order to solve the technical problems, the utility model provides the following technical scheme: the drilling equipment of the bridge steel template comprises a supporting component, a supporting component and a drilling component, wherein the supporting component is arranged on the supporting component, and the supporting component is arranged on the supporting component; the drilling assembly comprises a moving part, a drilling part and a dust removing part, wherein the dust removing part is arranged on the collecting part, the drilling part is arranged on the moving part, and the moving part is arranged on the collecting part.
As a preferred embodiment of the drilling apparatus for bridge steel form of the present utility model, wherein: the collecting piece comprises a collecting box, a filter screen, a guide rod, a first rack, a first gear and a supporting frame, wherein the filter screen is arranged in the collecting box, the guide rod is fixed on the inner side of the collecting box, one end of the guide rod is movably sleeved on the first rack, one side of the first rack is connected to the first gear in a meshed mode, and the supporting frame is fixed on two sides of the collecting box.
As a preferred embodiment of the drilling apparatus for bridge steel form of the present utility model, wherein: the fixing piece comprises an air cylinder, a fixing plate, a fixing frame and a placing plate, wherein the air cylinder is fixed on one side of the supporting frame, the bottom of the fixing plate is fixedly connected to the top of the fixing frame, one end of the fixing frame is fixed on the first rack, and the placing plate is arranged at the upper end of the collecting box.
As a preferred embodiment of the drilling apparatus for bridge steel form of the present utility model, wherein: the fixing piece further comprises a square groove, a through groove, a connecting plate and a fixing shaft, wherein the square groove and the through groove are formed in the placing plate, the connecting plate is arranged at the bottom of the placing plate, two ends of the connecting plate are fixed on the supporting frame, and the fixing shaft is rotationally connected to the connecting plate.
As a preferred embodiment of the drilling apparatus for bridge steel form of the present utility model, wherein: the clamping piece comprises a fixing shell, a first motor and a rotating shaft, wherein the fixing shell is fixed on one side edge of the fixing plate, the first motor is fixed in the fixing shell, and one end of the rotating shaft is fixedly connected to an output shaft of the first motor through a coupler.
As a preferred embodiment of the drilling apparatus for bridge steel form of the present utility model, wherein: the clamping piece further comprises a second gear, a second rack and a clamping plate, wherein the second gear is sleeved on the rotating shaft, the second rack is connected to the second gear in a meshed mode, and the clamping plate is fixed to the bottom of the second rack.
As a preferred embodiment of the drilling apparatus for bridge steel form of the present utility model, wherein: the movable part comprises a first electric push rod, a supporting plate and a groove, wherein the groove is formed in the supporting plate, two sides of the supporting plate are fixed on the supporting frame, and the first electric push rod is fixed on the supporting plate.
As a preferred embodiment of the drilling apparatus for bridge steel form of the present utility model, wherein: the drilling piece comprises a second electric push rod, a moving plate and a fixed cover, wherein the second electric push rod is fixed on the moving plate, the moving plate is arranged in the groove, and the fixed cover is fixed on the output end of the second electric push rod.
As a preferred embodiment of the drilling apparatus for bridge steel form of the present utility model, wherein: the drilling piece further comprises a fixing ring, a second motor and a drilling shaft, the fixing ring is sleeved on the fixing cover, the second motor is fixed in the fixing cover, and one end of the drilling shaft is fixedly connected to the output end of the second motor through a coupler.
As a preferred embodiment of the drilling apparatus for bridge steel form of the present utility model, wherein: the dust removing part comprises a water pump, a water suction pipe, a water outlet pipe and a water tank, wherein the water pump is arranged on one side of the supporting frame, one end of the water suction pipe is communicated with the output end of the water pump, one end of the water outlet pipe is communicated with the input end of the water pump, the other end of the water outlet pipe is communicated with the water tank, and the water tank is arranged on one side of the collecting box.
The utility model has the beneficial effects that: the fixing piece and the clamping piece that set up are used for fixing the steel form in the X-axis and Y-axis directions, so that the stability of fixing is improved, the steel form can be fixed while a plurality of bridge steel forms are completed, the frequency of replacing the steel form is reduced, the drilling efficiency of the steel form is effectively improved, the steel form drilled with holes is subjected to dust removal and cooling through the collecting piece and the dust removing piece, and the workpiece fragments falling in the drilled holes and the waste water after dust removal are collected through the collecting box, so that the construction environment is prevented from being polluted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is an overall block diagram of a drilling apparatus for a bridge steel form.
FIG. 2 is a block diagram of another view of the entirety of a bridge steel form drilling apparatus.
FIG. 3 is a block diagram of a collector of a bridge steel form drilling apparatus.
Fig. 4 is a block diagram of a clamping member of a drilling apparatus for a bridge steel form.
Fig. 5 is a diagram of a drilling member structure of a drilling apparatus for a bridge steel form.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 2, in a first embodiment of the present utility model, a bridge steel form drilling apparatus is provided, which includes a support assembly 100 and a drilling assembly 200, wherein a plurality of steel forms are fixedly clamped by the support assembly 100, workpiece fragments falling in a drill hole and waste water after dust removal are collected, and the drilled steel forms are subjected to dust removal and temperature reduction by the drilling assembly 200.
The support assembly 100 comprises a collecting member 101, a fixing member 102 and a clamping member 103, wherein the clamping member 103 is arranged on the fixing member 102, and the fixing member 102 is arranged on the collecting member 101.
Dust particles after drilling are collected through the collecting piece 101, and the steel template is clamped and fixed through the fixing piece 102 and the clamping piece 103.
The drilling assembly 200 comprises a moving member 201, a drilling member 202 and a dust removing member 203, wherein the dust removing member 203 is arranged on the collecting member 101, the drilling member 202 is arranged on the moving member 201, and the moving member 201 is arranged on the collecting member 101.
The steel template is drilled through the dust removing piece 203, the steel template is drilled through the drilling piece 202, and the drilling piece 202 is driven to move through the moving piece 201.
Example 2
Referring to fig. 3 and 4, this embodiment is based on the previous embodiment, which is a second embodiment of the present utility model.
Specifically, the collecting element 101 includes, a collecting box 101a, a filter screen 101b, a guide rod 101c, a first rack 101d, a first gear 101e and a supporting frame 101f, wherein the filter screen 101b is arranged in the collecting box 101a, the guide rod 101c is fixed on the inner side of the collecting box 101a, one end of the guide rod 101c is movably sleeved on the first rack 101d, one side of the first rack 101d is meshed and connected to the first gear 101e, and the supporting frame 101f is fixed on two sides of the collecting box 101 a.
Collect the dust through the collection box 101a that sets up, filter the impurity through the filter screen 101b that sets up, drive the gear rotation through the rack that sets up, all engage with the rack through the gear both sides that set up, carry out fixed stay to mounting 102 through the support frame 101f that sets up.
Specifically, the fixing member 102 includes a cylinder 102a, a fixing plate 102b, a fixing frame 102c, and a placing plate 102d, the cylinder 102a is fixed on one side of the supporting frame 101f, the bottom of the fixing plate 102b is fixedly connected to the top of the fixing frame 102c, one end of the fixing frame 102c is fixed on the first rack 101d, and the placing plate 102d is disposed at the upper end of the collecting box 101 a.
The fixed plate 102b is pushed by the set cylinder 102a and the placing plate 102d is moved, the steel mold plate is placed by the set placing plate 102d, and the fixed plate 102b is set inside the supporting frame 101 f.
Specifically, the fixing member 102 further includes a square groove 102e, a through groove 102f, a connecting plate 102g and a fixing shaft 102h, the square groove 102e and the through groove 102f are both formed on the placing plate 102d, the connecting plate 102g is disposed at the bottom of the placing plate 102d, two ends of the connecting plate 102g are fixed on the supporting frame 101f, and the fixing shaft 102h is rotatably connected to the connecting plate 102 g.
The bottom of the fixed shaft 102h is fixed at the center of the first gear 101e, one end of the fixed frame 102c is arranged in the square groove 102e, and the other end of the fixed frame 102c is fixedly connected to one side of the first rack 101d through the through groove 102 f.
Specifically, the clamping member 103 includes a fixing housing 103a, a first motor 103b, and a rotating shaft 103c, where the fixing housing 103a is fixed on one side of the fixing plate 102b, the first motor 103b is fixed in the fixing housing 103a, and one end of the rotating shaft 103c is fixedly connected to an output shaft of the first motor 103b through a coupling.
The first motor 103b and the rotating shaft 103c are fixed by the fixed housing 103a, the rotating shaft 103c is driven to rotate by the first motor 103b, and the other end of the rotating shaft 103c is connected to the inner side of the fixed housing 103a in a rotating manner.
Specifically, the clamping member 103 further includes a second gear 103d, a second rack 103e, and a clamping plate 103f, the second gear 103d is sleeved on the rotating shaft 103c, the second rack 103e is engaged and connected to the second gear 103d, and the clamping plate 103f is fixed on the bottom of the second rack 103 e.
The second gear 103d drives the second rack 103e to move, and the steel template is clamped and fixed by the clamping plate 103 f.
Example 3
Referring to fig. 3 to 5, a third embodiment of the present utility model is based on the first two embodiments.
Specifically, the moving member 201 includes a first electric push rod 201a, a support plate 201b and a groove 201c, the groove 201c is formed on the support plate 201b, two sides of the support plate 201b are fixed on the support frame 101f, and the first electric push rod 201a is fixed on the support plate 201 b.
The first electric push rod 201a and the drilling piece 202 are fixed through the arranged supporting plate 201b, and the first electric push rod 201a is convenient to drive the drilling piece 202 to move through the arranged groove 201 c.
Specifically, the drilling member 202 includes a second electric putter 202a, a moving plate 202b, and a fixed cover 202c, where the second electric putter 202a is fixed to the moving plate 202b, the moving plate 202b is disposed in the groove 201c, and the fixed cover 202c is fixed to an output end of the second electric putter 202 a.
The output end of the first electric push rod 201a is fixed on one side of the second electric push rod 202a, and the second electric push rod 202a drives the fixed cover 202c to move through the moving plate 202 b.
Specifically, the drilling member 202 further includes a fixing ring 202d, a second motor 202e, and a drill shaft 202f, where the fixing ring 202d is sleeved on the fixing cover 202c, the second motor 202e is fixed in the fixing cover 202c, and one end of the drill shaft 202f is fixedly connected to an output end of the second motor 202e through a coupling.
The drill shaft 202f is driven to rotate by the second motor 202e, the steel template is drilled, and the dust removing piece 203 is fixed by the fixed ring 202 d.
Specifically, the dust removing member 203 includes a water pump 203a, a water suction pipe 203b, a water outlet pipe 203c and a water tank 203d, wherein the water pump 203a is disposed on one side of the supporting frame 101f, one end of the water suction pipe 203b is connected to an output end of the water pump 203a, one end of the water outlet pipe 203c is connected to an input end of the water pump 203a, the other end of the water outlet pipe 203c is connected to the water tank 203d, and the water tank 203d is disposed on one side of the collecting box 101 a.
The other end of the water outlet pipe 203c is fixed on the fixed ring 202d, the water outlet pipe 203c is set to be a corrugated pipe, the drilling piece 202 is convenient to drive the water outlet pipe 203c to move, water is stored through the water tank 203d, water is guided through the water guide pipe, and water sprinkling, dust removing and cooling are performed through the water outlet pipe 203 c.
When in use, a user places one or more steel templates on the placing plate 102d, one group of fixing plates 102b and fixing frames 102c are driven to move by starting the air cylinders 102a, one group of first racks 101d are driven to rotate by moving the fixing frames 102c, one group of first racks 101d rotate to drive the first gears 101e to rotate and the other group of racks to rotate, the other group of racks rotate to drive the other group of fixing plates 102b and the fixing frames 102c to move, the two groups of fixing plates 102b relatively move to clamp the X-axis direction of the steel template, after clamping, the first motor 103b is started to drive the rotating shaft 103c and the second teeth to rotate, the second gears 103d rotate to drive the second racks 103e and the clamping plates 103f to move, the clamping plates 103f are moved to clamp the steel template in the Y-axis direction, stability in clamping is improved, the simultaneous fixing of a plurality of bridge steel templates can be better completed through the fixing pieces 102 and the clamping pieces 103, the frequency of replacing the steel template is reduced, effectively improves the drilling efficiency of the steel template, the first electric push rod 201a is started to drive the second electric push rod 202a and the movable plate 202b to move in the groove 201c after clamping and fixing, the second electric push rod 202a moves the fixed cover 202c and the second motor 202e and the drill shaft 202f to move, after the drilling position of the drill shaft 202f is adjusted, the drill shaft 202f is started to rotate to drill the steel template by starting the second motor 202e, the water pump 203a is started while drilling, the water pump 203a pumps water in the water tank 203d through the water pumping pipe 203b, the water in the water tank 203d is led into the water outlet pipe 203c through the water pumping pipe 203b, the water is sprayed through the water outlet pipe 203c to remove dust and cool the drilled steel template, the cooled and dust-removed waste water flows into the collecting box 101a through the filter screen 101b to be stored, and the workpiece fragments dropped in the drilling and the dust-removed waste water can be collected through the collecting box 101a, and the construction environment is prevented from being polluted.
It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.
Claims (10)
1. Drilling equipment of bridge steel template, its characterized in that: comprising the steps of (a) a step of,
The support assembly (100) comprises a collecting piece (101), a fixing piece (102) and a clamping piece (103), wherein the clamping piece (103) is arranged on the fixing piece (102), and the fixing piece (102) is arranged on the collecting piece (101) and is provided with a plurality of fixing holes;
Drilling subassembly (200), including moving piece (201), drilling piece (202) and dust removal piece (203), dust removal piece (203) set up in on collecting piece (101), drilling piece (202) set up in on moving piece (201), moving piece (201) set up in on collecting piece (101).
2. The bridge steel form drilling apparatus of claim 1, wherein: the collecting piece (101) comprises a collecting box (101 a), a filter screen (101 b), a guide rod (101 c), a first rack (101 d), a first gear (101 e) and a supporting frame (101 f), wherein the filter screen (101 b) is arranged in the collecting box (101 a), the guide rod (101 c) is fixed on the inner side of the collecting box (101 a), one end of the guide rod (101 c) is movably sleeved on the first rack (101 d), one side of the first rack (101 d) is connected to the first gear (101 e) in a meshed mode, and the supporting frame (101 f) is fixed on two sides of the collecting box (101 a).
3. The bridge steel form drilling apparatus of claim 2, wherein: the fixing piece (102) comprises an air cylinder (102 a), a fixing plate (102 b), a fixing frame (102 c) and a placing plate (102 d), wherein the air cylinder (102 a) is fixed on one side of the supporting frame (101 f), the bottom of the fixing plate (102 b) is fixedly connected to the top of the fixing frame (102 c), one end of the fixing frame (102 c) is fixed on the first rack (101 d), and the placing plate (102 d) is arranged at the upper end of the collecting box (101 a).
4. A bridge steel template drilling apparatus according to claim 3 wherein: the fixing piece (102) further comprises a square groove (102 e), a through groove (102 f), a connecting plate (102 g) and a fixing shaft (102 h), wherein the square groove (102 e) and the through groove (102 f) are formed in the placing plate (102 d), the connecting plate (102 g) is arranged at the bottom of the placing plate (102 d), two ends of the connecting plate (102 g) are fixed on the supporting frame (101 f), and the fixing shaft (102 h) is rotationally connected to the connecting plate (102 g).
5. The bridge steel form drilling apparatus of claim 4, wherein: the clamping piece (103) comprises a fixed shell (103 a), a first motor (103 b) and a rotating shaft (103 c), wherein the fixed shell (103 a) is fixed on one side edge of the fixed plate (102 b), the first motor (103 b) is fixed in the fixed shell (103 a), and one end of the rotating shaft (103 c) is fixedly connected to an output shaft of the first motor (103 b) through a coupler.
6. The bridge steel form drilling apparatus of claim 5, wherein: the clamping piece (103) further comprises a second gear (103 d), a second rack (103 e) and a clamping plate (103 f), the second gear (103 d) is sleeved on the rotating shaft (103 c), the second rack (103 e) is connected to the second gear (103 d) in a meshed mode, and the clamping plate (103 f) is fixed to the bottom of the second rack (103 e).
7. The bridge steel form drilling apparatus of claim 6, wherein: the moving piece (201) comprises a first electric push rod (201 a), a supporting plate (201 b) and a groove (201 c), the groove (201 c) is formed in the supporting plate (201 b), two sides of the supporting plate (201 b) are fixed on the supporting frame (101 f), and the first electric push rod (201 a) is fixed on the supporting plate (201 b).
8. The bridge steel form drilling apparatus of claim 7, wherein: the drilling piece (202) comprises a second electric push rod (202 a), a moving plate (202 b) and a fixed cover (202 c), wherein the second electric push rod (202 a) is fixed on the moving plate (202 b), the moving plate (202 b) is arranged in the groove (201 c), and the fixed cover (202 c) is fixed on the output end of the second electric push rod (202 a).
9. The bridge steel form drilling apparatus of claim 8, wherein: the drilling piece (202) further comprises a fixed ring (202 d), a second motor (202 e) and a drilling shaft (202 f), the fixed ring (202 d) is sleeved on the fixed cover (202 c), the second motor (202 e) is fixed in the fixed cover (202 c), and one end of the drilling shaft (202 f) is fixedly connected to the output end of the second motor (202 e) through a coupler.
10. The bridge steel form drilling apparatus of claim 9, wherein: the dust removing part (203) comprises a water pump (203 a), a water suction pipe (203 b), a water outlet pipe (203 c) and a water tank (203 d), wherein the water pump (203 a) is arranged on one side of the supporting frame (101 f), one end of the water suction pipe (203 b) is communicated with the output end of the water pump (203 a), one end of the water outlet pipe (203 c) is communicated with the input end of the water pump (203 a), the other end of the water outlet pipe (203 c) is communicated with the water tank (203 d), and the water tank (203 d) is arranged on one side of the collecting box (101 a).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322686440.4U CN220805559U (en) | 2023-10-08 | 2023-10-08 | Drilling equipment of bridge steel template |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322686440.4U CN220805559U (en) | 2023-10-08 | 2023-10-08 | Drilling equipment of bridge steel template |
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Publication Number | Publication Date |
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CN220805559U true CN220805559U (en) | 2024-04-19 |
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CN202322686440.4U Active CN220805559U (en) | 2023-10-08 | 2023-10-08 | Drilling equipment of bridge steel template |
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CN (1) | CN220805559U (en) |
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2023
- 2023-10-08 CN CN202322686440.4U patent/CN220805559U/en active Active
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