CN217972310U - Anchoring device and system for bridge crane - Google Patents
Anchoring device and system for bridge crane Download PDFInfo
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- CN217972310U CN217972310U CN202221846040.4U CN202221846040U CN217972310U CN 217972310 U CN217972310 U CN 217972310U CN 202221846040 U CN202221846040 U CN 202221846040U CN 217972310 U CN217972310 U CN 217972310U
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- 238000004873 anchoring Methods 0.000 title claims description 57
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 75
- 239000010959 steel Substances 0.000 claims abstract description 75
- 238000010276 construction Methods 0.000 claims abstract description 37
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 210000005069 ears Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model discloses an anchor for bridge crane, include: one end of the connecting part is connected to a base of the bridge crane, and the connecting part is used for connecting the bridge crane; one end of the steel plate strip is connected with the other end of the connecting part; an anchor portion, the anchor portion comprising: the upper anchor beam is lapped on the top end of the construction main body and is connected with the other end of the steel plate strip; two groups of steel strand wires; and (5) lower anchor beams. The utility model discloses be connected through connecting portion and loop wheel machine base in the embodiment to realize that connecting portion are connected with anchor portion through the slab band, anchor the bridge loop wheel machine in the construction main part, in order to ensure the security of bridge loop wheel machine when hanging and getting. The rear end of the bridge crane is anchored, and the bridge crane is prevented from tipping. Meanwhile, the method also meets the actual construction requirements.
Description
Technical Field
The utility model relates to a loop wheel machine anchor technical field especially relates to an anchor device and system for bridge loop wheel machine.
Background
The bridge crane plays an indispensable important role in bridge erection. When the bridge crane is used in actual hoisting, the bridge crane is generally used for hoisting and constructing a main beam of a bridge in the earlier stage, and meanwhile, the bridge crane is also used for hoisting and constructing a steel box girder on a girder storage platform so as to complete the assembly of the main beam.
Because the focus of bridge loop wheel machine can shift along with hanging thing department of getting when hanging and getting steel case roof beam or other bridge erection materials, must anchor at the bridge loop wheel machine rear end this moment, guarantees that the focus of bridge loop wheel machine is fixed, avoids the bridge loop wheel machine to take place to tumble when hanging and getting.
SUMMERY OF THE UTILITY MODEL
The utility model aims at realizing anchoring the rear end of the bridge crane, avoiding the bridge crane to tip over, and the provided anchoring device and system for the bridge crane.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an anchoring device for a bridge crane, comprising:
one end of the connecting part is connected to a base of the bridge crane, and the connecting part is used for connecting the bridge crane;
one end of the steel plate strip is connected with the other end of the connecting part;
an anchor portion comprising:
the upper anchor beam is lapped at the top end of the construction main body and is connected with the other end of the steel plate strip;
the two groups of steel strand wires are oppositely arranged on the upper anchor beam, one ends of the two groups of steel strand wires respectively penetrate through the upper anchor beam, the steel strand wires are fixedly connected with the upper anchor beam, and the other ends of the two groups of steel strand wires penetrate through the construction main body and extend to the bottom end of the construction main body;
the lower anchor beam is arranged at the bottom end of the construction main body and arranged in parallel with the upper anchor beam, and the lower anchor beam is connected with the two groups of steel strand wires.
Optionally, the upper anchor beam includes: the cover plate and the bottom plate are arranged in a vertically stacked manner;
the two connecting vertical plates are arranged between the cover plate and the bottom plate, and the cover plate, the bottom plate and the two connecting vertical plates form a box-shaped tubular structure;
the connecting lugs are arranged on the connecting vertical plates, penetrate through the cover plate, extend to the top end of the cover plate and are connected with the steel plate belts;
wherein, the engaging lug with connect the riser and be integrated into one piece structure.
Optionally, the sections of the upper anchor beam and the lower anchor beam are both box-shaped tubular; the steel strand penetrates through the upper anchor beam, the construction main body and the lower anchor beam in sequence.
Optionally, the upper anchor beam and the lower anchor beam are respectively of an integrally formed structure.
Optionally, the connecting portion includes:
one end of the anchor rod is fixedly connected with a base of the bridge crane through a nut;
the pull lug is arranged at the other end of the anchor rod and is arranged in an inverted U shape, and the pull lug is far away from the opening and is fixedly connected with the anchor rod;
one end of the steel plate strip is connected in the U-shaped opening of the pull lug.
Optionally, the pull lug is detachably connected with the anchor rod.
Optionally, the steel plate strip includes:
the two anchor plates are oppositely arranged on two sides of the connecting lug;
one end of the pin shaft penetrates through the anchor plate on one side, the connecting lug and the anchor plate on the other side in sequence, and the two anchor plates are connected with the connecting lug through the pin shaft.
The reinforcing sleeve is sleeved on the pin shaft, the outer wall of the reinforcing sleeve is fixedly connected with one end of the anchor plate,
wherein, strengthen the cover, anchor plate, engaging lug coaxial coupling.
The utility model also provides an anchoring system for bridge crane, which adopts the above anchoring device for bridge crane; the anchoring system further comprises:
the supporting beam is provided with a preformed hole, the preformed hole vertically penetrates through the supporting beam, and the preformed hole is used for penetrating and anchoring an upper anchor beam and a lower anchor beam by a steel strand;
the beam web is arranged inside the supporting beam along a central perpendicular line of the supporting beam;
the two groups of steel strands penetrate through the supporting beam up and down, and are abutted to two sides of the beam web.
Optionally, the beam web and the supporting beam are integrally cast.
The beneficial effects of the utility model are that:
the utility model discloses be connected through connecting portion and loop wheel machine base in the embodiment to realize that connecting portion are connected with anchor portion through the steel sheet area, anchor the bridge loop wheel machine in the construction main part, in order to ensure the security of bridge loop wheel machine when hanging and getting. The rear end of the bridge crane is anchored, and the bridge crane is prevented from tipping. Meanwhile, uniform tension is applied to the construction main body through the upper anchor beam, the lower anchor beam and the steel strand, so that the overall strength of the construction main body is guaranteed, and the actual construction requirements are met.
Drawings
Fig. 1 is a schematic structural view of an anchoring device for a bridge crane provided in an embodiment of the present invention;
fig. 2 is a schematic view of a connecting portion of an anchoring device for a bridge crane according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an anchor beam of an anchoring device for a bridge crane provided in an embodiment of the present invention;
fig. 4 is a schematic structural view (exploded view) of an anchor beam of an anchoring device for a bridge crane provided in an embodiment of the present invention;
fig. 5 is a schematic structural view of a steel plate belt portion of an anchoring device for a bridge crane provided in an embodiment of the present invention;
fig. 6 is a schematic structural installation diagram of an anchoring system for a bridge crane provided in an embodiment of the present invention;
fig. 7 is a partial structural sectional view of an anchoring system for a bridge crane provided in an embodiment of the present invention.
The symbols in the figures are as follows:
1. a connecting portion; 11. an anchor rod; 12. a nut; 121. a base plate; 13. pulling the lug;
2. a steel plate strip; 21. a pin shaft; 211. a reinforcing sleeve; 212. a cap is prevented from falling off; 22. an anchor plate;
3. an anchoring part; 31. an upper anchor beam; 311. a cover plate; 312. connecting a vertical plate; 3121. connecting lugs; 313. a base plate; 314. a reinforcing plate; 32. steel strand wires; 33. a lower anchor beam;
4. a base;
5. a supporting beam; 51 a beam web.
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 skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Example one
Referring to fig. 1 to 5, in the anchoring device for the bridge crane, a plurality of groups of anchoring devices are arranged, the plurality of groups of anchoring devices are connected to the rear end of the bridge crane, and the anchoring devices are anchored on a construction main body through self structures, that is, the bridge crane is fixed on the construction main body through the plurality of groups of anchoring devices. That is, the anchoring device anchors the rear end of the bridge crane, and the safety of the bridge crane in construction hoisting is ensured. Thereby the condition that the bridge crane takes place to overturn when hanging is got has been avoided taking place. The construction body refers to a working body for supporting and supporting the bridge crane, and is a supporting cross beam of a bridge erecting body of a main pier, a main tower, and a cable tower, for example.
The anchoring device includes: connecting portion 1, anchor portion 3 and steel sheet band 2. One end of the connecting part 1 is connected to a base 4 (not shown) of the bridge crane. The anchoring part 3 is anchored on the construction main body, and one end of the anchoring part 3 is anchored on the construction main body through a self structure. One end of the steel plate strip 2 is connected with the other end of the connecting part 1, the other end of the steel plate strip 2 is connected with the other end of the anchoring part 3, and the steel plate strip 2 is used for connecting the connecting part 1 and the anchoring part 3. The connecting part 1 is connected with the anchoring part 3 through the steel plate strip 2, and the bridge crane is anchored on a construction main body, so that the safety of the bridge crane during hoisting is ensured. The rear end of the bridge crane is anchored, and the bridge crane is prevented from tipping. Meanwhile, the method also meets the actual construction requirements.
Referring to fig. 2, in the present embodiment, an anchoring hole (not shown) is formed in the bottom end of the bridge crane, and the connecting portion 1 is connected to the base 4 of the bridge crane through the anchoring threaded hole. Specifically, the connection portion 1 includes: anchor rod 11, nut 12, pull ear 13. One end of the anchor rod 11 penetrates through the anchoring hole and extends to the top of the anchoring hole. The nut 12 is disposed on the top of the anchoring hole through a backing plate 121, and the nut 12 is threadedly coupled to the anchor rod 11. Namely, the anchor rod 11 is fixed on the top of the anchoring hole by the nut 12. The pull lug 13 is arranged at the other end of the anchor rod 11, the pull lug 13 is arranged in an inverted U shape, the pull lug 13 is far away from the opening and is fixedly connected with the anchor rod 11, and one end of the steel plate strip 2 is connected into the U-shaped opening of the pull lug 13. In the present embodiment, the pulling lug 13 is connected with the base plate 4 of the bridge crane through the anchor rod 11.
Referring to fig. 3, in the present embodiment, the anchor portion 3 includes: an upper anchor beam 31, a lower anchor beam 33 and two sets of steel strand wires 32. The upper anchor beam 31 is lapped on the top end of the construction main body, and the upper anchor beam 31 is connected with the other end of the steel plate strip 2. Two sets of steel strand wires 32 set up relatively go up anchor beam 31 is last, and two sets of the one end of steel strand wires 32 runs through respectively go up anchor beam 31, just the steel strand wires pass through the work anchor with go up anchor beam 31 fixed connection, two sets of the other end of steel strand wires runs through the construction main part, and extends to the bottom of construction main part. The lower anchor beam 33 is arranged at the bottom end of the construction main body, the lower anchor beam 33 and the upper anchor beam 31 are arranged in parallel, and the lower anchor beam 33 is connected with the two groups of steel strand wires 32 through a working anchor. That is, in this embodiment, the upper anchor beam 31 and the lower anchor beam 33 are vertically disposed at the top end and the bottom end of the construction body, and the upper anchor beam 31 and the lower anchor beam 33 are connected by two sets of steel hinge lines 32, and at this time, the upper anchor beam 31 and the lower anchor beam 33 are anchored to the construction body by two sets of steel hinge lines 32. In this embodiment, for the better steel strand wires of being convenient for alternate the construction main part, generally be provided with the interlude hole in the construction main part, the steel strand wires run through the construction main part through the interlude hole.
Referring to fig. 3 and 4, in the present embodiment, in order to secure the coupling strength and anchoring strength of the upper anchor beam 31 to the steel plate strip 2. The upper anchor beam 31 includes: the cover plate 311, the bottom plate 313, the two connecting risers 312 and the connecting ears 3121. The cover plate 311 and the bottom plate 313 are stacked up and down, the two connecting risers 312 are disposed between the cover plate 311 and the bottom plate 313, and the cover plate 311, the bottom plate 313, and the two connecting risers 312 form a box-shaped tube. Namely, one end of the steel strand penetrates through the square pipe, and the steel strand is fixedly connected with the square pipe through a working anchor. The connecting lug 3121 is disposed on the connecting vertical plate 312, the connecting lug 3121 penetrates through the cover plate 311, extends to the top end of the cover plate 311, and is connected with the steel plate strip 2, wherein the connecting lug 3121 and the connecting vertical plate 312 are integrally formed. In addition, in this embodiment, in order to ensure the connection strength among the cover plate 311, the bottom plate 313 and the connecting vertical plate 312, reinforcing plates 314 are disposed at the connection points among the cover plate 311, the bottom plate 313 and the connecting vertical plate 312. Meanwhile, in order to ensure the connection strength of the connection vertical plate 312 at the connection lug 3121 in the cover plate 311, the connection vertical plate 312 is also provided with a reinforcing plate 314 at the side edge of the connection lug 3121, so as to realize the connection strength at the connection position of each plate of the upper anchor beam 31.
In a possible embodiment, the upper anchor beam 31 and the lower anchor beam 33 are box-shaped and tubular. The steel strand 32 sequentially penetrates through the upper anchor beam 31, the construction main body and the lower anchor beam 33. The upper anchor beam 31 and the lower anchor beam 33 are all of an integrally formed structure. Namely, the cover plate 311, the bottom plate 313, the connecting risers 312, and the connecting ears 3121 are all integrally formed structures. The anchoring effect of the upper anchor beam 31 is ensured.
In this embodiment, the pull tab 13 is detachably connected to the anchor rod 11 for facilitating assembly of the connecting portion 1. Specifically, pull ear 13 and be provided with the connecting hole (not seen in the figure) keeping away from U type opening part, the one end of stock 11 runs through the connecting hole, extends to the inside of the U type groove of pulling ear 13, and threaded connection a nut 12 is gone up to stock 11 this moment, the size of nut 12 is greater than the connecting hole. I.e. the pull tab 13 secures the anchor rod 11 at the attachment hole by means of said nut 12. To facilitate the subsequent mounting of the pull tab 13. In addition, in this embodiment, there are two sets of the steel plate strips 2, one end of each of the two sets of the steel plate strips 2 is connected to the U-shaped opening of the pull lug 13, and the other end of each of the two sets of the steel plate strips 2 is connected to the connecting lug 3121 on the upper anchor beam 31.
Referring to fig. 5, in the present embodiment, in order to ensure the connection strength between the steel plate strip 2 and the connection lug 3121 and between the pull lug 13 and the steel plate strip 2. The working strength between the two ends and the connecting lug 3121 and the pull lug 13 is enhanced by the steel plate strip 2 through the self structures with the same two ends. For convenience of description, the connection relationship between the steel plate band 2 and the engaging lug 3121 will be described. The steel plate strip 2 comprises: anchor plate 22, reinforcing sleeve 211, pin 21 and anti-slip cap 212. The two anchor plates 22 are oppositely arranged on two sides of the connecting lug 3121. One end of the pin shaft 21 sequentially penetrates through one side anchor plate 22, the connecting lug 3121 and the other side anchor plate 22. That is, the two anchor plates 22 and the connecting lug 3121 are connected by a pin 21. The anti-drop cap 212 is disposed on one end of the pin 21, and the anti-drop cap 212 can prevent the pin 21 from dropping off from the anchor plate 22 and the engaging lug 3121. In the embodiment, the steel plate strip 2 is reinforced in the stress bearing strength. The reinforcing sleeve 211 is sleeved on the pin shaft 21, and the outer wall of the reinforcing sleeve 211 is fixedly connected with one end of the anchor plate 22. Namely, the reinforcing sleeve 211, the anchor plate 22 and the connecting lug 3121 are coaxially connected.
Example two
Referring to fig. 6 and 7, an anchoring system for a bridge crane, which employs an anchoring device for a bridge crane according to the first embodiment. The anchoring system includes: supporting beam 5 (construction main body), be provided with preformed hole (interlude hole) (not seen in the figure) on the supporting beam, the preformed hole runs through from top to bottom the supporting beam, the preformed hole is used for steel strand 32 to alternate anchor and goes up anchor beam and anchor beam down. In this embodiment, the anchoring strength of the supporting beam is ensured. Supporting beam 5's inside is provided with beam web 51 along self center perpendicular, beam web 51 is used for right supporting beam 5's top and bottom support bear, let supporting beam 5's cross-section be the I shape, and are two sets of steel strand wires 32 runs through from top to bottom supporting beam 5, and two sets of steel strand wires 32 butt is in beam web 51's both sides. In the present embodiment, the cross beam web 51 is erected on the supporting cross beam 5, so that the cross beam web 51 supports the top end and the bottom end of the supporting cross beam 5, and the supporting anchoring strength of the supporting cross beam 51 is ensured. In addition, in this embodiment, the supporting beam 5 and the beam web 51 are integrally cast, and may be constructed by using a beret beam bracket, or by using other casting processes. In addition, in the embodiment, the bridge crane is anchored and pulled on the supporting beam through the connecting part 1, and the pulling force is distributed on the beam web 51 on the supporting beam 5 through the upper anchor beam 31, the lower anchor beam 33 and the steel strand 32, so that the problem that the top and the bottom of the supporting beam 5 are easy to crack due to local stress is solved. And the method meets the actual construction requirements.
In this embodiment, the supporting beams may be supporting beams on a main pier or a main tower or a cable tower. The upper end and the lower end of the supporting beam are respectively abutted with an upper anchor beam 31 and a lower anchor beam 33 of the anchoring device. In this embodiment, the lower anchor beam 33 may be installed first, the lower anchor beam 33 is installed on the bottom end of the supporting beam in an abutting manner, and then the steel strand 32 passes through the preformed hole on the supporting beam until the other end of the steel strand 32 reaches the top end of the supporting beam, so that the steel strand 32 is connected with the upper anchor beam 31. And then the connection of the anchoring part 3 and the steel plate strip 2 and the connection part 1 of the steel plate strip 2 are completed in sequence. So as to realize anchoring the bridge crane.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. An anchoring device for a bridge crane, comprising:
one end of the connecting part is connected to a base of the bridge crane, and the connecting part is used for connecting the bridge crane;
one end of the steel plate strip is connected with the other end of the connecting part;
an anchor portion, the anchor portion comprising:
the upper anchor beam is lapped on the top end of the construction main body and is connected with the other end of the steel plate strip;
the two groups of steel hinge lines are oppositely arranged on the upper anchor beam, one ends of the two groups of steel hinge lines respectively penetrate through the upper anchor beam and are fixedly connected with the upper anchor beam, and the other ends of the two groups of steel hinge lines penetrate through the construction main body and extend to the bottom end of the construction main body;
the lower anchor beam is arranged at the bottom end of the construction main body and arranged in parallel with the upper anchor beam, and the lower anchor beam is connected with the two groups of steel strand wires.
2. The anchoring device for a bridge crane according to claim 1, wherein the upper anchor beam comprises: the cover plate and the bottom plate are arranged in a vertically stacked manner;
the two connecting vertical plates are arranged between the cover plate and the bottom plate, and the cover plate, the bottom plate and the two connecting vertical plates form a box-shaped tube;
the connecting lugs are arranged on the connecting vertical plates, penetrate through the cover plate, extend to the top end of the cover plate and are connected with the steel plate belts;
wherein, the engaging lug with connect the riser and be integrated into one piece structure.
3. The anchoring device for a bridge crane according to claim 2, wherein the upper anchor beam and the lower anchor beam are box-shaped and tubular in cross section; the steel strand penetrates through the upper anchor beam, the construction main body and the lower anchor beam in sequence.
4. The anchoring device for a bridge crane according to claim 3, wherein the upper anchor beam and the lower anchor beam are respectively of an integrally formed structure.
5. An anchoring device for a bridge crane according to any one of claims 1-4, wherein the connecting part comprises:
one end of the anchor rod is fixedly connected with a base of the bridge crane through a nut;
the pull lug is arranged at the other end of the anchor rod and is arranged in an inverted U shape, and the pull lug is far away from the opening and is fixedly connected with the anchor rod;
one end of the steel plate strip is connected in the U-shaped opening of the pull lug.
6. The anchoring device of claim 5, wherein the pull tab is detachably connected to the anchor rod.
7. The anchoring device of claim 6, wherein the steel plate strip comprises:
the two anchor pulling plates are oppositely arranged on two sides of the connecting lug;
one end of the pin shaft penetrates through the anchor pulling plate on one side, the connecting lug and the anchor pulling plate on the other side in sequence, and the two anchor pulling plates and the connecting lug are connected through the pin shaft;
the reinforcing sleeve is sleeved on the pin shaft, the outer wall of the reinforcing sleeve is fixedly connected with one end of the anchor plate,
wherein, strengthen the cover, anchor plate, engaging lug coaxial coupling.
8. An anchoring system for a bridge crane, characterized by an anchoring device for a bridge crane according to any one of claims 1-7; the anchoring system further comprises:
the supporting beam is provided with a preformed hole, the preformed hole vertically penetrates through the supporting beam, and the preformed hole is used for penetrating and anchoring an upper anchor beam and a lower anchor beam by a steel strand;
the beam web is arranged inside the supporting beam along a central perpendicular line of the supporting beam;
the two groups of steel strand wires penetrate through the supporting cross beam from top to bottom, and are abutted to two sides of the web plate of the cross beam.
9. The anchoring system for the bridge crane of claim 8, wherein the beam web and the supporting beam are cast integrally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221846040.4U CN217972310U (en) | 2022-07-18 | 2022-07-18 | Anchoring device and system for bridge crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221846040.4U CN217972310U (en) | 2022-07-18 | 2022-07-18 | Anchoring device and system for bridge crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217972310U true CN217972310U (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221846040.4U Active CN217972310U (en) | 2022-07-18 | 2022-07-18 | Anchoring device and system for bridge crane |
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| Country | Link |
|---|---|
| CN (1) | CN217972310U (en) |
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2022
- 2022-07-18 CN CN202221846040.4U patent/CN217972310U/en active Active
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