CN219410560U - Bridge construction protector - Google Patents
Bridge construction protector Download PDFInfo
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- CN219410560U CN219410560U CN202320332168.7U CN202320332168U CN219410560U CN 219410560 U CN219410560 U CN 219410560U CN 202320332168 U CN202320332168 U CN 202320332168U CN 219410560 U CN219410560 U CN 219410560U
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- bridge construction
- fixing
- rod
- winding drum
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model discloses a bridge construction protection device, which comprises: the fixing frames are oppositely arranged, one fixing frame is rotatably provided with a net winding drum, the other fixing frame is provided with a connecting rod, and a plurality of threaded rods are arranged on the connecting rod at intervals; the protection net is wound on the net winding drum at one end, a plurality of connecting rings are arranged at the other end of the protection net at intervals, the connecting rings are correspondingly sleeved on the threaded rods, and the corresponding connecting rings are detachably fixed on the threaded rods through nuts; the rotation limiting structure is arranged on the net winding drum and is used for limiting and fixing the net winding drum to rotate. The utility model has the beneficial effects of stably fixing the two ends of the protective net, ensuring that the protective net is not easy to fall off and effectively blocking objects falling from high altitude.
Description
Technical Field
The utility model relates to the technical field of bridge construction. More particularly, the present utility model relates to a bridge construction protection device.
Background
Bridge is a structure which is generally erected on rivers, lakes and seas and can smoothly pass vehicles, pedestrians and the like. In order to adapt to the traffic industry of modern high-speed development, bridges are also extended to be buildings which are erected across mountain ranges, poor geology or meet other traffic demands and are convenient to pass, such as viaducts, towers or struts with high support, bridges crossing valleys, rivers, roads or other low-place obstacles, and are constructed for solving the problems of traffic congestion, dense buildings, difficult widening of streets and the like.
When constructing the overhead bridge, there is the high altitude weight to drop from the top of bridge easily, falls to the road surface of below on, leads to the vehicle damage that goes to and goes, probably hurts the pedestrian even, has serious potential safety hazard. In order to avoid the situation that the high-altitude objects influence the vehicles and even hurt people, the traditional method is to use the road sealing action to carry out safety protection, but the way can lead to low vehicle passing rate and road congestion; the prior art is through using the protection network, under the smooth and easy circumstances of guaranteeing bridge below traffic, stop the weighing object that drops from the bridge, as application number 201922304196.4 authorizes patent and discloses a bridge construction protector, stop weighing object on the bridge through setting up fixed rope net, still guaranteed pedestrian and vehicle's safety under the smooth circumstances of guaranteeing bridge below traffic, but the protection network of this kind of fixed rope net class is fixed with the connecting rod only through couple and link, leads to the protection network to drop from the dead lever easily, the accident that the weighing object hurts people or vehicle appears. Therefore, how to design the bridge construction protection device so as to obtain the beneficial effects that the protection net is not easy to fall off, the falling objects on the bridge are blocked, and the smooth traffic under the bridge is ensured is worth foreseeing.
Disclosure of Invention
It is an object of the present utility model to solve at least the above problems and to provide at least the advantages to be described later.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided a bridge construction protecting device comprising:
the fixing frames are oppositely arranged, one fixing frame is rotatably provided with a net winding drum, the other fixing frame is provided with a connecting rod, and a plurality of threaded rods are arranged on the connecting rod at intervals;
the protection net is wound on the net winding drum at one end, a plurality of connecting rings are arranged at the other end of the protection net at intervals, the connecting rings are correspondingly sleeved on the threaded rods, and the corresponding connecting rings are detachably fixed on the threaded rods through nuts;
the rotation limiting structure is arranged on the net winding drum and is used for limiting and fixing the net winding drum to rotate.
Preferably, the fixing frame includes:
the pair of support rods are oppositely arranged along the width direction of the protective net;
the telescopic rods are correspondingly and detachably arranged on the pair of support rods.
Preferably, the supporting rod is concavely provided with a slot along the length direction of the supporting rod, the lower end of the telescopic rod is inserted into the slot, a fixing hole is formed in the supporting rod, the fixing hole penetrates through the slot, a plurality of limiting holes corresponding to the fixing holes are formed in the telescopic rod, and the corresponding fixing holes and the limiting holes are fixed in a limiting mode through bolts and nuts.
Preferably, the net reeling drum comprises:
the cylinder body is arranged between the top ends of the pair of telescopic rods;
the pair of rotating shafts are respectively arranged at two ends of the cylinder body, and the free ends of the rotating shafts are rotatably arranged on the telescopic rods.
Preferably, the top end of the telescopic rod positioned on the main fixing frame is provided with a through hole along the width direction of the protective net, and the free end of the rotating shaft movably penetrates through the through hole and extends out of the through hole.
Preferably, the telescopic handle further comprises at least one rotary handle, wherein the rotary handle is a circular handle, and the rotary handle is coaxially arranged at the free end of the rotary shaft and arranged at the outer side of the telescopic rod.
Preferably, a bolt hole is arranged at one end of the rotating shaft close to the outer side of the telescopic rod,
the telescopic rod is characterized in that a bolt seat is arranged on the outer side of the telescopic rod, an L-shaped bolt rod is movably arranged on the bolt seat, the bolt rod is limited and inserted on the bolt hole, and the bolt hole, the bolt seat and the bolt rod form a rotation limiting structure.
Preferably, the device further comprises two pairs of bases, wherein the two pairs of bases are correspondingly arranged at the bottoms of the two pairs of support rods, and the base is detachably provided with a balancing weight.
Preferably, the base is of a cuboid-like structure, a rectangular empty groove is concavely formed in the side edge of the base, a groove is formed in the bottom edge of the empty groove, and a bump corresponding to the groove is convexly arranged at the bottom of the balancing weight.
Preferably, the bicycle further comprises a plurality of brake casters, and the brake casters are correspondingly arranged at the bottoms of the pair of bases.
The utility model at least comprises the following beneficial effects:
the first, the utility model adopts to sleeve the connecting ring at one end of the protective net on the threaded rod, then the connecting ring is fixed on the threaded rod by the nut, and the connecting mode of the protective net and the fixing frame is more firm and difficult to fall off than the detachable fixation realized by adopting the hooks and the hanging rings in the prior art.
The second, the utility model adopts the net winding drum, rotates the hand grip to realize the expansion and winding storage of the protective screen, and then utilizes the rotation limit structure on the net winding drum to realize the limit fixation to the rotation of the net winding drum, when the protective screen is protected, the rotation limit structure limits the rotation of the net winding drum, so as to ensure that the protective screen can not be loosened to influence the receiving effect because the weight of the high-altitude falling object drives the net winding drum to rotate after receiving the high-altitude falling object.
Thirdly, the telescopic rod is fixed on the supporting rod in a limiting mode through the arrangement of the slots, the fixing holes and the limiting holes, and the height of the fixing frame can be adjusted by adjusting the limiting holes corresponding to the fixing holes, so that pedestrians or vehicles can pass through conveniently, and smooth traffic below the bridge is guaranteed. Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a front view of the bridge protection device according to one embodiment of the present utility model;
FIG. 2 is a left side view of the bridge protection device according to one embodiment of the present utility model;
FIG. 3 is a right side view of the bridge protection device according to one embodiment of the present utility model;
fig. 4 is a top view of the bridge protection device according to one embodiment of the present utility model;
FIG. 5 is a side view of the mount according to one aspect of the present utility model;
fig. 6 is a side view of the base of one embodiment of the present utility model.
Detailed Description
The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.
It should be noted that the experimental methods described in the following embodiments, unless otherwise specified, are all conventional methods, and the reagents and materials, unless otherwise specified, are all commercially available; in the description of the present utility model, the orientation or positional relationship indicated by the terms are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
As shown in fig. 1 to 6, the present utility model provides a bridge construction protecting device, comprising:
the fixing frames 1, the pair of fixing frames 1 are oppositely arranged, a net winding drum 3 is rotatably arranged on one fixing frame 1, a connecting rod 21 is arranged on the other fixing frame 1, a plurality of threaded rods 22 are arranged on the connecting rod 21 at intervals, the fixing frames 1 and the connecting rod 21 can be made of stainless steel or carbon steel so as to have high strength and high hardness, the net winding drum 3 can rotate on the fixing frames 1 through rotating holes formed in the fixing frames 1 and rotating shafts 32 penetrating through the rotating holes by utilizing a manual or electric rotating device, and the connecting rod 21 is fixedly arranged or detachably arranged on the fixing frames 1 through setting jacks so as to replace different connecting rods 21 to adapt to the fixing frames 1 with different widths;
the protection net 4, one end of which is wound on the net winding drum 3, the other end of the protection net 4 is provided with a plurality of connecting rings 41 at intervals, the connecting rings 41 are correspondingly sleeved on the threaded rods 22, the corresponding connecting rings 41 are detachably fixed on the threaded rods 22 through nuts, the protection net 4 can be made of high-strength rope nets made of materials such as polyester, high-molecular polyethylene and high-strength wires, the protection net 4 has high strength and can block high-altitude objects, and can be wound on the net winding drum 3 to realize good effect of convenient storage, one end of the protection net 4 can be directly fixed on the net winding drum 3 or can be detachably fixed on the net winding drum 3 through screws and screw holes, and then can be wound on the net winding drum 3, the other end of the protection net 4 can be detachably fixed on the fixing frame 1 through the threaded rods 22 arranged on the threaded rods 22, the connecting rings 41 correspondingly sleeved on the threaded rods 22 and the nuts which are in threaded connection with the upper ends of the connecting rings 41, and the connection rings 4 can be easily detached on the fixing frame 1, and the connection mode can be realized in a detachable and firm manner compared with the hanging frame 1, and the hanging net can not be fixed on the hanging frame 1 by the prior art;
the rotation limiting structure is arranged on the net winding drum 3, the rotation limiting structure is used for limiting and fixing the net winding drum 3 to rotate, the rotation limiting structure can be at least one limiting structure formed by a bolt structure or an L-shaped clamp-like structure and a screw hole, and the limiting structure is used for limiting and fixing the net winding drum 3 to prevent the protection net 4 from protecting high-altitude objects.
In the above technical scheme, a pair of fixing frames 1 are oppositely arranged, and then the protective net 4 is arranged on a pair of fixing frames 1 through the net winding drum 3 and the connecting rod 21, when construction protection is carried out, the rotation limiting structure does not affect the rotation of the net winding drum 3, the net winding drum 3 is rotated, the protective net 4 wound on the net winding drum 3 is unfolded, then one fixing frame 1 is moved until the protective net 4 is completely unfolded, then the net winding drum 3 is limited and fixed by the rotation limiting structure, the unfolding of the protective device to a protection state can be completed, the protective device is stored and folded, the protective device is reversely operated, wherein one end of the protective net 4 is directly fixed and wound on the net winding drum 3, the other end is fixed on the connecting rod 21 through the connecting rings 41 and 22 and the nuts, and the two ends of the protective net 4 are stably and detachably fixed on the pair of fixing frames 1.
In another aspect, the fixing frame 1 includes:
the pair of support rods 11, the pair of support rods 11 are oppositely arranged along the width direction of the protective net 4, the support rods 11 can be cylindrical rods or rectangular rods, the support rods 11 can be made of stainless steel or carbon steel so as to have high strength and high hardness, and the distance between the pair of support rods 11 is larger than the width of the protective net 4, so that the protective net 4 can be unfolded and stored smoothly;
the telescopic rods 12, the telescopic rods 12 are correspondingly and detachably arranged on the pair of support rods 11, the connecting rods 21 or the net reeling drums 3 are transversely arranged on the pair of telescopic rods 12, the telescopic rods 12 can also be cylindrical rods or rectangular rods, the telescopic rods 12 can also be made of stainless steel or carbon steel, and the telescopic rods 12 can be detachably arranged on the support rods 11 through screw holes, bolts, nuts or slots 111, fixing holes 112, limiting holes 121 and bolts and nuts. In the above technical scheme, a pair of telescopic rods 12 are disassembled and correspondingly arranged on a pair of support rods 11 through screw holes, bolts, nuts or slots 111, fixing holes 112, limiting holes 121, bolts and nuts and the like, the telescopic rods 12 are limited and fixed on the support rods 11 through adjusting the screw holes or the fixing holes 112 to correspond to different limiting holes 121, and then the height of the fixing frame 1 is adjusted to ensure that the passing of pedestrians or vehicles is not hindered, so that the beneficial effect of the traffic passing under the bridge is realized.
In another technical scheme, the supporting rod 11 is concavely provided with a slot 111 along the length direction thereof, the lower end of the telescopic rod 12 is inserted into the slot 111, a fixing hole 112 is formed in the supporting rod 11, the fixing hole 112 penetrates through the slot 111, a plurality of limiting holes 121 corresponding to the fixing hole 112 are formed in the telescopic rod 12, the corresponding fixing holes 112 and the limiting holes 121 are fixed in a limiting manner through bolts and nuts, the slot 111 is concavely formed in the top end of the supporting rod 11, the shape of the groove 132 corresponds to the shape of the telescopic rod 12, the lower end of the telescopic rod 12 is inserted into the slot 111, then the telescopic rod 12 is fixed on the supporting rod 11 through bolts and nuts on the corresponding fixing holes 112 and the limiting holes 121, the telescopic rod 12 and the supporting rod 11 can be connected, the fixing holes 112 are adjusted to the different limiting holes 121, the length of the telescopic rod 12 is adjusted, and the height of the fixing frame 1 is adjusted until the telescopic rod is convenient or a vehicle passes through.
In another embodiment, the net reeling drum 3 includes:
the cylinder 31 is arranged between the top ends of the pair of telescopic rods 12, one end of the protective net 4 is wound on the cylinder 31, the cylinder 31 can be made of wood, stainless steel, carbon steel or plastic, and the cylinder 31 can be directly penetrated on the pair of telescopic rods 12 to realize rotation on the fixing frame 1 by arranging rotating shafts 32 at two ends of the cylinder 31 or arranging two ends of the cylinder to directly penetrate the pair of telescopic rods 12;
the pair of rotating shafts 32, the pair of rotating shafts 32 are respectively arranged at two ends of the cylinder 31, the free ends of the rotating shafts 32 are rotationally arranged on the telescopic rods 12, the rotating shafts 32 can be made of wood, stainless steel, carbon steel or plastic, the rotating shafts 32 and the cylinder 31 are integrally arranged, the diameter of the rotating shafts 32 can be smaller than that of the cylinder 31, the size of the rotating shafts 32 enables the cylinder 31 to be conveniently arranged on the telescopic rods 12, and the rotating shafts 32 can drive the cylinder 31 to rotate.
In the above technical solution, the net winding drum 3 formed by the pair of rotating shafts 32 and the drum body 31 arranged between the pair of rotating shafts 32 is rotatably mounted on the pair of telescopic shafts, and the drum body 31 can be rotated clockwise or counterclockwise by manually or electrically rotating the rotating shafts 32 by using the rotating motor, so that the protection net 4 is wound or unwound on the net winding drum 3, and the protection net 4 is unwound and stored.
In another technical scheme, the top end of the telescopic rod 12 positioned on the main fixing frame 1 is provided with a through hole along the width direction of the protective net 4, the free end of the rotating shaft 32 movably penetrates through the through hole and extends out of the through hole, the cross section of the through hole is circular, the diameter of the through hole is slightly smaller than that of the rotating shaft 32 so that the rotating shaft 32 can freely rotate in the through hole, and the free end of the rotating shaft 32 extends out of the through hole, so that the rotating shaft 32 can conveniently rotate by using external force and is not easy to fall from the through hole, and the use of the protective device is affected.
In another technical scheme, the novel protective net comprises a rotary shaft 32, and is characterized by further comprising at least one rotary handle 5, wherein the rotary handle 5 is a circular handle, the rotary handle 5 is coaxially arranged at the free end of the rotary shaft 32 and is arranged at the outer side of the telescopic rod 12, the rotary handle 5 can be manually rotated or rotated by adopting a rotary motor, the rotary handle 5 can also be crank, one end of the rotary shaft 32, which extends out of the telescopic rod 12, is coaxially arranged through a screw and a screw hole, the rotary handle 5 is manually rotated, the rotary shaft 32 coaxially arranged with the rotary handle 5 can be rotated, and further the net winding drum 3 is driven to rotate, so that the protective net 4 wound on the net winding drum 3 is stored or unfolded.
In another technical scheme, a bolt hole 61 is formed on one end of the rotating shaft 32 close to the outer side of the telescopic rod 12,
the outer side of the telescopic rod 12 is provided with a bolt seat 62, the bolt seat 62 is movably provided with an L-shaped bolt rod 63, the bolt rod 63 is limited and inserted into the bolt hole 61, wherein the bolt hole 61, the bolt seat 62 and the bolt rod 63 form the rotation limiting structure, the bolt hole 61 can penetrate or partially penetrate through the rotating shaft 32, the vertical free end of the bolt rod 63 is arranged towards the bolt hole 61, the transverse free end of the bolt rod 63 can be limited and fixed on the bolt seat 62 through two bolt clamps arranged on the bolt seat 62, when the protective net 4 is unfolded, the bolt rod 63 is not inserted into the bolt hole 61 positioned on the rotating shaft 32, and the net winding drum 3 can freely rotate, so that the protective net 4 wound on the net winding drum 3 is unfolded; when the protection net 4 is unfolded to the required length, the bolt rod 63 is correspondingly inserted into the bolt hole 61, so that the fixing of the net winding drum 3 can be realized, and the protection net 4 is ensured not to drive the net winding drum 3 to rotate due to the weight of the high-altitude object after the high-altitude object is received, so that the protection net 4 becomes loose and cannot effectively receive the high-altitude object, and accidents of hurting people or damaging vehicles occur.
In another technical scheme, still include two pairs of bases 13, two pairs of bases 13 correspond to locate two pairs of bracing piece 11 bottoms, can dismantle on the base 13 and be equipped with balancing weight 7, the material of base 13 can be stainless steel, carbon steel or concrete material in order to realize high strength, high rigidity are stable the good effect of bracing piece 11, balancing weight 7 accessible sets up couple, link or sets up empty slot 131, lug 71, recess 132 and realize dismantling and locate on the base 13, balancing weight 7's being provided with helps reducing protector's focus makes it be difficult for empting, and balancing weight 7 detachable is provided with the beneficial effect that helps changing balancing weight 7 of different weights in order to realize different degrees of protection.
In another technical scheme, the base 13 is of a cuboid-like structure, a rectangular empty groove 131 is concavely formed in the side edge of the base 13, a groove 132 is formed in the bottom edge of the empty groove 131, a lug 71 corresponding to the groove 132 is convexly arranged at the bottom of the balancing weight 7, the base 13 can be of a cuboid or square structure with the size larger than the diameter of the supporting rod 11, so that the balancing weight 7 cannot be stably supported by the supporting rod 11 due to the fact that the size is too small, the balancing weight 7 is placed in the empty groove 131, the lug 71 is correspondingly placed in the groove 132, the detachable connection of the balancing weight 7 and the base 13 can be achieved, the empty groove 131 is clamped from the side edge, the connection of the base 13 and the supporting rod 11 is not affected, the placement and the removal are facilitated, the section of the groove 132 can be round or rectangle-like, the section of the lug 71 corresponds to the groove 132, and the arrangement of the groove 132 is favorable for stably fixing the balancing weight 7 in the groove 131 of the base 13, and the falling off of the empty groove 131 cannot easily occur.
In another technical scheme, the novel bridge construction device further comprises a plurality of brake casters 14, the brake casters 14 are correspondingly arranged at the bottoms of the pair of bases 13, the brake casters 14 can be installed at the bottoms of the bases 13 through screw holes and screws, and the brake casters 14 are convenient for the protection device to move to a bridge construction position and can control the fixed state and the rotation free state of the protection device.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (10)
1. Bridge construction protector, its characterized in that includes:
the fixing frames are oppositely arranged, one fixing frame is rotatably provided with a net winding drum, the other fixing frame is provided with a connecting rod, and a plurality of threaded rods are arranged on the connecting rod at intervals;
the protection net is wound on the net winding drum at one end, a plurality of connecting rings are arranged at the other end of the protection net at intervals, the connecting rings are correspondingly sleeved on the threaded rods, and the corresponding connecting rings are detachably fixed on the threaded rods through nuts;
the rotation limiting structure is arranged on the net winding drum and is used for limiting and fixing the net winding drum to rotate.
2. The bridge construction protection device of claim 1, wherein the mount comprises:
the pair of support rods are oppositely arranged along the width direction of the protective net;
the telescopic rods are correspondingly and detachably arranged on the pair of support rods.
3. The bridge construction protection device according to claim 2, wherein the support rod is concavely provided with a slot along the length direction thereof, the lower end of the telescopic rod is inserted into the slot, the support rod is provided with a fixing hole, the fixing hole penetrates through the slot, the telescopic rod is provided with a plurality of limiting holes corresponding to the fixing holes, and the corresponding fixing holes and limiting holes are limited and fixed through bolts and nuts.
4. The bridge construction protection device according to claim 2, wherein the net reeling drum comprises:
the cylinder body is arranged between the top ends of the pair of telescopic rods;
the pair of rotating shafts are respectively arranged at two ends of the cylinder body, and the free ends of the rotating shafts are rotatably arranged on the telescopic rods.
5. The bridge construction protecting device according to claim 4, wherein a through hole is formed in the top end of the telescopic rod of the fixing frame along the width direction of the protecting net, and the free end of the rotating shaft movably penetrates through the through hole and extends out of the through hole.
6. The bridge construction protecting device according to claim 5, further comprising at least one rotating handle, wherein the rotating handle is a circular handle, and the rotating handle is coaxially arranged at the free end of the rotating shaft and is arranged at the outer side of the telescopic rod.
7. The bridge construction protection device according to claim 5, wherein a bolt hole is formed at one end of the rotation shaft near the outer side of the telescopic rod,
the telescopic rod is characterized in that a bolt seat is arranged on the outer side of the telescopic rod, an L-shaped bolt rod is movably arranged on the bolt seat, the bolt rod is arranged on the bolt hole in a limiting and inserting mode, and the bolt hole, the bolt seat and the bolt rod form the rotation limiting structure.
8. The bridge construction protecting device according to claim 2, further comprising two pairs of bases, wherein the two pairs of bases are correspondingly arranged at the bottoms of the two pairs of support rods, and the base is detachably provided with a balancing weight.
9. The bridge construction protection device according to claim 8, wherein the base is of a cuboid structure, a rectangular empty groove is concavely formed in the side edge of the base, a groove is formed in the bottom edge of the empty groove, and a bump corresponding to the groove is convexly arranged at the bottom of the balancing weight.
10. The bridge construction protection device of claim 8, further comprising a plurality of brake casters disposed at bottoms of the pair of bases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320332168.7U CN219410560U (en) | 2023-02-28 | 2023-02-28 | Bridge construction protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320332168.7U CN219410560U (en) | 2023-02-28 | 2023-02-28 | Bridge construction protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219410560U true CN219410560U (en) | 2023-07-25 |
Family
ID=87233473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320332168.7U Active CN219410560U (en) | 2023-02-28 | 2023-02-28 | Bridge construction protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219410560U (en) |
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2023
- 2023-02-28 CN CN202320332168.7U patent/CN219410560U/en active Active
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