CN218203920U - 0# piece mound top bracket - Google Patents
0# piece mound top bracket Download PDFInfo
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- CN218203920U CN218203920U CN202222794686.9U CN202222794686U CN218203920U CN 218203920 U CN218203920 U CN 218203920U CN 202222794686 U CN202222794686 U CN 202222794686U CN 218203920 U CN218203920 U CN 218203920U
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- stull
- bracing piece
- bracing
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Abstract
The application relates to a 0# block pier top bracket, which belongs to the technical field of bridge construction auxiliary tools and comprises a vertical support, a cross support and an inclined support, wherein the length direction of the vertical support is parallel to the height direction of a pier body, and the bottom of the vertical support is fixedly arranged on an embedded part of the pier body; the utility model discloses a pier body built-in fitting, including stull, stull length direction perpendicular to found the length direction of propping, the end fixing that the stull is close to the pier shaft sets up on the pier shaft built-in fitting, the end fixing that the stull is close to the stull sets up on the stull immediately, the bracing is located between stull and the stull, the end fixing that the bracing is close to the stull sets up on pier shaft built-in fitting and the stull immediately, the bracing other end is fixed to be set up on the stull. This application has the effect of ensureing the stability of pier shaft structure.
Description
Technical Field
The application relates to the technical field of bridge construction auxiliary tools, in particular to a 0# block pier top bracket.
Background
In the bridge construction process, high mound tie beam, bent cap and No. 0 section support are indispensable in the construction, at this moment need arrange the temporary stand at the pier shaft and be convenient for construct, and the temporary stand generally adopts pre-buried steel sheet welding triangular bracket on the pier shaft.
At present, if the patent document with the publication number of CN208933831U discloses a triangular bracket, including being in upper and lower position and the relative pier shaft vertical arrangement's long, short crossbeam, the notch has been seted up to position department about the side of pier shaft, the tip that long, short crossbeam pressed close to the pier shaft is in same vertical face and constitutes the inlay card cooperation with the notch, the tip that long, short crossbeam kept away from the pier shaft passes through the sloping and connects, the upper and lower position department of pier shaft runs through and sets up the fine rolling deformed steel bar pore of having the level, the fine rolling deformed steel bar passes the fine rolling deformed steel bar pore and is connected with long, short crossbeam. The notch can adopt clamping piece or mould to reserve in advance when the pier shaft is prefabricated, and long, short crossbeam finishes with the sloping welds in advance, then accomplishes the inlay card with one section distance of long, short crossbeam tip position and notch, realizes the preinstallation, then adopts the cooperation of finish rolling screw-thread steel and bolt to make long, short crossbeam be connected fixedly with the pier shaft, adopts above-mentioned method, through the mode convenient operation of inlay card in advance, directly adopts finish rolling screw-thread steel to accomplish final fixed dismantlement again simply and stable in structure.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the bracket is as the support of the construction platform of 0# piece, will bear the weight of whole 0# piece, and under the effect of bracket, the action of gravity of 0# piece leads to the atress of junction great at the junction of long, short crossbeam and pier shaft, easily produces certain damage to pier shaft structure.
SUMMERY OF THE UTILITY MODEL
For the stability of ensureing pier shaft structure, this application provides a 0# piece mound top bracket.
The application provides a 0# piece mound top bracket adopts following technical scheme:
a0 # block pier top bracket comprises a vertical support, a cross support and an inclined support, wherein the length direction of the vertical support is parallel to the height direction of a pier body, and the bottom of the vertical support is fixedly arranged on an embedded part of the pier body; the length direction of stull length direction perpendicular to upright brace, the end fixing that the stull is close to the pier shaft sets up on the pier shaft built-in fitting, the end fixing that the stull is close to the stull sets up on the stull immediately, the bracing is located and stands between brace and the stull, the end fixing that the bracing is close to the upright brace sets up on pier shaft built-in fitting and upright brace, the bracing other end is fixed to be set up on the stull.
By adopting the technical scheme, in the installation process of the bracket, the vertical support is fixed on the embedded part, the transverse support is fixed on the other embedded part, the vertical support is fixed on the transverse support, and then the installation of the inclined support is carried out to complete the construction of the bracket; under the effect of propping immediately, prop the gravity equipartition of 0# piece on two built-in fittings with immediately, simultaneously, prop immediately with the gravity of bracket and 0# piece, comparatively even decomposition is on the pier shaft, and then has reduced the process of the gravity direct action of bracket and 0# piece at the pier shaft, and then has reduced the impaired possibility of pier shaft, has ensured the stability of pier shaft structure.
Optionally, be provided with the triangular bracket on the bracing, the triangular bracket is including setting up first bracing piece and the second bracing piece on the bracing, the tip that first bracing piece deviates from the bracing sets up on the stull, the tip setting of second bracing piece is in the stull and the butt department of standing the bracing.
By adopting the technical scheme, the cross brace is supported under the action of the triangular bracket, so that the stability of the cross brace is improved, and the possibility of bending of the cross brace is reduced; simultaneously, the stress transmission of horizontal brace to standing to propping is supported to the triangle bracket, transmits afterwards to pier shaft on, further to the load equipartition of bracket on pier shaft, and then has ensured the stability of pier shaft structure.
Optionally, the first supporting rod and the second supporting rod are both rotatably arranged on the inclined strut, the rotating axes of the first supporting rod and the second supporting rod are perpendicular to the length direction of the inclined strut and parallel to the extending direction of the bridge, the bracket further comprises a rotating part, and the rotating part is used for fixing the first supporting rod and the second supporting rod to any position after rotation after the first supporting rod and the second supporting rod rotate.
By adopting the technical scheme, before the triangular bracket is installed, the first supporting rod and the second supporting rod are rotated, so that the first supporting rod and the second supporting rod are positioned at positions which are approximately parallel to the inclined strut, and the inclined strut is convenient to hoist and install; meanwhile, the triangular bracket and the inclined strut are integrated, so that the mounting efficiency of the bracket is improved; under the effect of the rotating piece, the first supporting rod and the second supporting rod are conveniently fixed at the needed positions, so that the inclined strut is conveniently hoisted, and the first supporting rod and the second supporting rod support the cross strut.
Optionally, be provided with the first mount pad that is used for installing first bracing piece and the second mount pad that is used for installing the second bracing piece on the bracing, all be provided with the articulated shaft on first mount pad and the second mount pad, first bracing piece and second bracing piece rotate respectively and set up on the articulated shaft, the tip that first bracing piece and second bracing piece are close to the bracing all has the fillet, the fillet of first bracing piece and second bracing piece butt respectively on first mount pad and second mount pad.
By adopting the technical scheme, the first supporting rod and the second supporting rod can conveniently rotate to pass through the first mounting seat and the second mounting seat under the action of the fillet; simultaneously, the fillet butt of first bracing piece and second bracing piece is convenient for directly transmit the load of first bracing piece and second bracing piece to first mount pad and second mount pad on at first mount pad and second mount pad, transmits to the bracing afterwards, and above-mentioned in-process has reduced the load of directly transmitting to the articulated shaft, and then has prolonged the life of articulated shaft and be convenient for first bracing piece, second bracing piece rotate and support the stull.
Optionally, after the first support bar is fixed, the length direction of the first support bar is perpendicular to the mounting surface of the first mounting seat for mounting the first support bar; after the second supporting rod is fixed, the length direction of the second supporting rod is perpendicular to the mounting surface of the second mounting seat, and the mounting surface is used for mounting the second supporting rod.
By adopting the technical scheme, the first supporting rod is in a vertical state and supports the cross brace after being fixed, and the load borne by the first supporting rod is transmitted to the first mounting seat; the second supporting rod is in an inclined state after being fixed, the stress of the second supporting rod is flat along the axis direction of the second supporting rod, and therefore the load of the second supporting rod can be conveniently transmitted to the inclined strut.
Optionally, the rotating part is established including the cover and is established at articulated shaft's worm wheel, the worm wheel rotates to set up on the articulated shaft and respectively fixed the setting on first bracing piece and second bracing piece, all rotate on first mount pad and the second mount pad and be provided with the worm with worm wheel meshing.
Through adopting above-mentioned technical scheme, rotate the worm, the worm rotates and drives the worm wheel and rotate along the articulated shaft, and the worm wheel rotates and drives first bracing piece, second bracing piece and rotate, under the auto-lock performance of worm wheel and worm, fixes first bracing piece and second bracing piece to arbitrary department.
Optionally, the vertical support, the transverse support, the inclined support, the first support rod and the second support rod are all made of I-shaped steel.
Through adopting above-mentioned technical scheme, the I-steel has stable in structure, the cutting process's of being convenient for advantage.
Optionally, the end portion, close to the cross brace, of the first supporting rod is clamped in the groove of the cross brace and abuts against the bottom wall of the groove of the cross brace, a first fixing rod penetrates through the cross brace in a sliding mode, and the first fixing rod penetrates through the first supporting rod.
By adopting the technical scheme, when the first supporting rod is fixed, the first fixing rod is slid, so that the first fixing rod penetrates through the first supporting rod, the first supporting rod is fixed on the cross brace, and the operation is simple and convenient.
Optionally, the end joint that props immediately and be close to the stull is in the recess of stull, the end joint of second bracing piece is in the recess that props immediately to the butt is in the diapire that props the recess immediately, slide on the stull and wear to be equipped with the second dead lever that is used for running through the stull, props immediately and second bracing piece.
Through adopting above-mentioned technical scheme, when fixing the second bracing piece, slide the second dead lever for the second dead lever passes stull, upright props and second bracing piece in proper order, and then fixes the second bracing piece on the stull, and easy operation is convenient.
Optionally, a third fixing rod for penetrating through the second supporting rod is slidably arranged on the vertical support in a penetrating manner.
Through adopting above-mentioned technical scheme, the second bracing piece is fixed after the stull, slides the third dead lever for the third dead lever passes the second bracing piece, in order to fix the second bracing piece on standing and propping.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in the process of installing the bracket, firstly fixing the vertical support on the embedded part, then fixing the transverse support on the other embedded part, fixing the vertical support on the transverse support, then installing the inclined support and completing the construction of the bracket; under the effect of propping immediately, prop the gravity equipartition of 0# piece on two built-in fittings with immediately, simultaneously, prop immediately with the gravity of bracket and 0# piece, comparatively even decomposition is on the pier shaft, and then has reduced the process of the gravity direct action of bracket and 0# piece at the pier shaft, and then has reduced the impaired possibility of pier shaft, has ensured the stability of pier shaft structure.
Drawings
FIG. 1 is a schematic structural diagram of a 0# block pier top bracket in use according to an embodiment of the application;
FIG. 2 is a schematic view of the overall structure of a No. 0 block pier top bracket according to an embodiment of the present application;
fig. 3 is a schematic connection diagram of a 0# block pier top bracket according to an embodiment of the application.
Description of the reference numerals: 1. standing and supporting; 2. a cross brace; 3. bracing; 4. embedding parts; 5. a triangular bracket; 51. a first support bar; 52. a second support bar; 6. a first mounting seat; 7. a second mounting seat; 8. hinging shafts; 9. round corners; 10. a first fixing lever; 11. a second fixing bar; 12. and a third fixing rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses 0# piece mound top bracket. Referring to fig. 1, a 0# block pier top bracket comprises a vertical support 1, a cross support 2 and an inclined support 3, wherein the length direction of the vertical support 1 is parallel to the height direction of a pier body, the bottom of the vertical support 1 is fixedly arranged on an embedded part 4 of the pier body, in the embodiment of the application, the embedded part 4 is an i-shaped steel embedded in the pier body, and the bottom of the vertical support 1 is welded on the i-shaped steel; the length direction of the cross brace 2 is perpendicular to the length direction of the vertical brace 1, the end fixing of the cross brace 2 close to the pier body is arranged on the pier body embedded part 4, further, the end welding of the cross brace 2 is arranged on the embedded part 4, the end fixing of the vertical brace 1 close to the cross brace 2 is arranged on the cross brace 2, the inclined brace 3 is arranged between the vertical brace 1 and the cross brace 2, the end fixing of the inclined brace 3 close to the vertical brace 1 is arranged on the pier body embedded part 4 and the vertical brace 1, and the other end of the inclined brace 3 is fixedly arranged on the cross brace 2.
After the bracket installation finishes, the load of bearing of bracket is through bracing 3 and prop 1 transmission to the pier shaft immediately, and the load is in the data send process, and the load is more for even distribution on the pier shaft, and then has reduced the local possibility of damaging of pier shaft to pier shaft structural stability has been ensured.
Referring to fig. 1, in order to improve the stability of the bracket, an angle bracket 5 is arranged on the inclined strut 3, the angle bracket 5 includes a first supporting rod 51 and a second supporting rod 52 which are arranged on the inclined strut 3, an end of the first supporting rod 51, which is away from the inclined strut 3, is arranged on the cross strut 2, and an end of the second supporting rod 52 is arranged at a butt joint between the cross strut 2 and the vertical strut 1. Under the effect of triangular bracket 5, support the space inside that the bracket surrounds, reduced the possibility that stull 2 declined and crooked, and then improved the stability of bracket.
Referring to fig. 2 and 3, in order to facilitate installation of the inclined strut 3, the first supporting rod 51 and the second supporting rod 52 are both rotatably disposed on the inclined strut 3, the rotation axes of the first supporting rod 51 and the second supporting rod 52 are both perpendicular to the length direction of the inclined strut 3 and parallel to the extending direction of the bridge, in this embodiment, a first mounting seat 6 for mounting the first supporting rod 51 and a second mounting seat 7 for mounting the second supporting rod 52 are fixedly disposed on the inclined strut 3, a hinge shaft 8 is disposed on each of the first mounting seat 6 and the second mounting seat 7, the length direction of the hinge shaft 8 is parallel to the extending direction of the bridge, and the first supporting rod 51 and the second supporting rod 52 are respectively rotatably disposed on the hinge shaft 8; when the inclined strut 3 is installed, the first support rod 51 and the second support rod 52 are rotated to enable the first support rod 51 and the second support rod 52 to be infinitely close to the length direction of the parallel inclined strut 3, then the inclined strut 3 is hoisted, after the inclined strut 3 is close to a pre-installation position, the first support rod 51 is rotated to be perpendicular to the transverse strut 2, the second installation rod is rotated to enable the second installation rod to be abutted to the joint of the transverse strut 2 and the vertical strut 1, and then the inclined strut 3 is fixedly installed between the transverse strut 2 and the vertical strut 1.
Referring to fig. 2 and 3, in order to reduce the load of the hinge shaft 8, rounded corners 9 are respectively disposed at the ends of the first support rod 51 and the second support rod 52 close to the inclined strut 3, and the rounded corners 9 of the first support rod 51 and the second support rod 52 are respectively abutted against the first mounting seat 6 and the second mounting seat 7; the ends of the first support rod 51 and the second support rod 52 are abutted against the corresponding first mounting seat 6 and the second mounting seat 7, the load of the cross brace 2 is transmitted to the first support rod 51 and the second support rod 52, then is directly transmitted to the first mounting seat 6 and the second mounting seat 7, and then is transmitted to the inclined brace 3, and in the load transmission process, the hinge shaft 8 only plays a role in guiding the rotation of the first support rod 51 and the second support rod 52, and does not participate in the load transmission process.
Referring to fig. 2 and 3, further, after the first supporting rod 51 is fixed, the length direction of the first supporting rod 51 is perpendicular to the mounting surface of the first mounting seat 6 for mounting the first supporting rod 51; the length direction of the first support rod 51 is perpendicular to the mounting surface of the first mounting seat 6, so that the load of the first support rod 51 can be conveniently transmitted to the first mounting seat 6.
After the second support rod 52 is fixed, the length direction of the second support rod 52 is perpendicular to the mounting surface of the second mounting seat 7 for mounting the second support rod 52; the length direction of the second support rod 52 is perpendicular to the mounting surface of the second mounting seat 7, so that the load of the second support rod 52 can be conveniently transmitted to the inclined strut 3.
Referring to fig. 2 and 3, in the embodiment of the present application, the bracket further includes a rotating member, the rotating member is used for fixing the first support rod 51 and the second support rod 52 to any place after rotation, the rotating member includes a worm wheel sleeved on the hinge shaft 8, the worm wheel is rotatably disposed on the hinge shaft 8 and respectively fixedly disposed on the first support rod 51 and the second support rod 52, and a worm engaged with the worm wheel is rotatably disposed on each of the first mounting seat 6 and the second mounting seat 7; when the cross brace 2 is supported by the inclined strut 3 in the process of hoisting and mounting and by adjusting the first support rod 51 and the second support rod 52, the first support rod 51 and the second support rod 52 are fixed to a required position conveniently under the action of the worm wheel and the worm, so that the inclined strut 3 can be mounted conveniently.
Referring to fig. 2 and 3, in the embodiment of the present application, the vertical support 1, the horizontal support 2, the diagonal support 3, the first support bar 51, and the second support bar 52 are made of i-steel; the vertical support 1 is supported by I-shaped steel I25a, the transverse support 2 is supported by I-shaped steel I36a, the inclined support 3 is supported by I-shaped steel I36a, and the first support rod 51 and the second support rod 52 are supported by I22b I-shaped steel I22 b; the I-shaped steel has the advantages of aging resistance, long service life, impact resistance and strong abrasion resistance.
Referring to fig. 2 and 3, in the embodiment of the present application, an end of the first supporting rod 51 close to the cross-brace 2 is clamped in the groove of the cross-brace 2 and abuts against the bottom wall of the groove of the cross-brace 2, the first fixing rod 10 is slidably inserted through the cross-brace 2, the first fixing rod 10 slides perpendicular to the length direction of the cross-brace 2, and the first fixing rod 10 is inserted through the first supporting rod 51; after the first supporting rod 51 abuts against the bottom wall of the groove of the cross brace 2, sliding the first fixing rod 10, so that the first fixing rod 10 slides into the first supporting rod 51, so as to fix the first supporting rod 51 on the cross brace 2; in other embodiments, the end of the first support strut 51 near the wale 2 may be welded to the wale 2.
Referring to fig. 2 and 3, the end of the vertical support 1 close to the cross support 2 is clamped in the groove of the cross support 2, the end of the second support rod 52 is clamped in the groove of the vertical support 1 and abuts against the bottom wall of the groove of the vertical support 1, and the cross support 2 is slidably provided with the second fixing rod 11 penetrating through the cross support 2, the vertical support 1 and the second support rod 52; after the second support rod 52 is arranged between the cross brace 2 and the vertical brace 1, the second fixing rod 11 is slid, so that the second fixing rod 11 connects the second support rod 52, the vertical brace 1 and the cross brace 2, and the operation is simple and convenient; furthermore, a third fixing rod 12 for penetrating the second support rod 52 is slidably arranged on the vertical support 1.
Referring to fig. 2 and 3, in the embodiment of the present application, after the end of the second support rod 52 is snapped into the groove of the vertical support 1, the end of the second support rod 52 is welded to the vertical support 1.
The implementation principle of the 0# block pier top bracket in the embodiment of the application is as follows:
when the bracket is installed, firstly, the vertical support 1 and the transverse support 2 are fixedly installed on the pier body embedded part 4, and then the angles of the first support rod 51 and the second support rod 52 are adjusted, so that the space occupied by the first support rod 51 and the second support rod 52 is reduced; then hoisting the inclined strut 3, and after the inclined strut 3 is close to the installation position, rotating the first support rod 51 and the second support rod 52, wherein the first support rod 51 rotates to be vertical to the cross strut 2, and the second support rod 52 rotates to abut against the joint of the cross strut 2 and the vertical strut 1;
the first support bar 51 and the second support bar 52 are then fixed by the first fixing bar 10, the second fixing bar 11, and the third fixing bar 12, completing the installation of the bracket.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a 0# piece mound top bracket which characterized in that: the pier comprises a vertical support (1), a transverse support (2) and an inclined support (3), wherein the length direction of the vertical support (1) is parallel to the height direction of a pier body, and the bottom of the vertical support (1) is fixedly arranged on an embedded part (4) of the pier body; stull (2) length direction perpendicular to stands the length direction of propping (1), the end fixing that stull (2) are close to the pier shaft sets up on pier shaft built-in fitting (4), the end fixing that stull (1) are close to stull (2) sets up on stull (2) immediately, bracing (3) are located and stand between vaulting (1) and stull (2), the end fixing that bracing (3) are close to and stand vaulting (1) sets up on pier shaft built-in fitting (4) and found vaulting (1), bracing (3) other end is fixed to be set up on stull (2).
2. The # 0 block pier top bracket of claim 1, wherein: be provided with triangle bracket (5) on bracing (3), triangle bracket (5) are including setting up first bracing piece (51) and second bracing piece (52) on bracing (3), the tip that first bracing piece (51) deviate from bracing (3) sets up on stull (2), the tip setting of second bracing piece (52) is in stull (2) and the butt department of propping (1) immediately.
3. The # 0 block pier top bracket of claim 2, wherein: first bracing piece (51) and second bracing piece (52) all rotate and set up on bracing (3), the rotation axis of first bracing piece (51) and second bracing piece (52) all is perpendicular to the length direction of bracing (3) and is on a parallel with the extending direction of bridge, and the bracket still includes the rotation piece, the rotation piece is used for first bracing piece (51) and second bracing piece (52) to rotate the back, fixes to the arbitrary department after rotating.
4. The # 0 block pier top bracket of claim 3, wherein: be provided with first mount pad (6) that are used for installing first bracing piece (51) on bracing (3) and second mount pad (7) that are used for installing second bracing piece (52), all be provided with articulated shaft (8) on first mount pad (6) and second mount pad (7), first bracing piece (51) and second bracing piece (52) rotate respectively and set up on articulated shaft (8), first bracing piece (51) and second bracing piece (52) are close to the tip of bracing (3) and all have been fallen fillet (9), fillet (9) of first bracing piece (51) and second bracing piece (52) butt respectively on first mount pad (6) and second mount pad (7).
5. The # 0 block pier top bracket of claim 4, wherein: after the first supporting rod (51) is fixed, the length direction of the first supporting rod (51) is perpendicular to the mounting surface of the first mounting seat (6) for mounting the first supporting rod (51); after the second supporting rod (52) is fixed, the length direction of the second supporting rod (52) is perpendicular to the mounting surface of the second mounting base (7) for mounting the second supporting rod (52).
6. The # 0 block pier top bracket of claim 4, wherein: the rotating member comprises a worm wheel which is sleeved on an articulated shaft (8), the worm wheel is rotatably arranged on the articulated shaft (8) and is respectively fixedly arranged on a first supporting rod (51) and a second supporting rod (52), and a worm which is meshed with the worm wheel is rotatably arranged on a first mounting seat (6) and a second mounting seat (7).
7. The # 0 block pier top bracket of claim 3, wherein: the vertical support (1), the cross support (2), the inclined support (3), the first support rod (51) and the second support rod (52) are all made of I-shaped steel.
8. The # 0 block pier top bracket of claim 7, wherein: first bracing piece (51) are close to the tip joint of stull (2) and butt in the recess of stull (2) recess diapire, first dead lever (10) are worn to be equipped with in the slip on stull (2), first dead lever (10) run through first bracing piece (51) and set up.
9. The # 0 block pier top bracket of claim 7, wherein: immediately, prop (1) and be close to the tip joint of stull (2) in the recess of stull (2), the tip joint of second bracing piece (52) is in the recess of propping (1) immediately, and the butt is in immediately prop the diapire of (1) recess, slide on stull (2) and wear to be equipped with second dead lever (11) that are used for running through stull (2), prop (1) and second bracing piece (52) immediately.
10. The # 0 block pier top bracket of claim 9, wherein: and a third fixing rod (12) penetrating through the second supporting rod (52) is slidably arranged on the vertical support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222794686.9U CN218203920U (en) | 2022-10-21 | 2022-10-21 | 0# piece mound top bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222794686.9U CN218203920U (en) | 2022-10-21 | 2022-10-21 | 0# piece mound top bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218203920U true CN218203920U (en) | 2023-01-03 |
Family
ID=84643940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222794686.9U Active CN218203920U (en) | 2022-10-21 | 2022-10-21 | 0# piece mound top bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218203920U (en) |
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2022
- 2022-10-21 CN CN202222794686.9U patent/CN218203920U/en active Active
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