CN214733891U - Hollow main beam structure of novel hoist double-beam crane - Google Patents
Hollow main beam structure of novel hoist double-beam crane Download PDFInfo
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- CN214733891U CN214733891U CN202121145156.0U CN202121145156U CN214733891U CN 214733891 U CN214733891 U CN 214733891U CN 202121145156 U CN202121145156 U CN 202121145156U CN 214733891 U CN214733891 U CN 214733891U
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- 238000000034 method Methods 0.000 claims abstract description 13
- 240000009087 Crescentia cujete Species 0.000 claims abstract description 11
- 235000005983 Crescentia cujete Nutrition 0.000 claims abstract description 11
- 235000009797 Lagenaria vulgaris Nutrition 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 210000002784 stomach Anatomy 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- 238000003756 stirring Methods 0.000 description 1
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Abstract
The utility model discloses a novel empty stomach girder structure of calabash double-beam crane relates to girder technical field, including horizontal pole, girder main part and main hook, still including the protective structure, the help device that prevent to lift by crane in-process article or rope and take place the striking removal structure that moves and help lift by crane the device hook and provide the auxiliary structure who places the position when unable the retrieving in other directions, the top of girder main part is provided with a case, and the positive middle department of top case sets up the circuit pipe, the bottom of circuit pipe is connected with other circuits, and the top cover in other circuit outsides is equipped with the collecting pipe, the inside of collecting pipe transversely runs through there is the horizontal pole. The utility model discloses a setting up fender thick stick and second slider and beginning to move along vertical direction, the staff can come the distance that shifts up or move down of control fender thick stick according to the interval between rope and the article, has solved the problem of lifting by crane the in-process hook and has collided indiscriminately.
Description
Technical Field
The utility model relates to a girder technical field specifically is a novel empty stomach girder structure of calabash double-beam crane.
Background
The crane girder plays an important part in the whole hoisting process, a crane is often used in some industrialized industries to hoist objects with larger weight or transport the objects, the variety of the crane is continuously enriched along with the continuous development of the economic strength of China, but the existing crane girder still has problems and defects.
Through retrieval, chinese patent No. CN202116197U, published as 20.2012, discloses a hollow main beam structure of a hoist crane with two beams, wherein an H-shaped steel beam installed between a left end beam 1a and a right end beam 1b is provided, a web 3 of the H-shaped steel beam is provided with a plurality of through holes 7, square steels 11 are welded on an upper wing plate 8 of the H-shaped steel beam, the through holes 7 are uniformly arranged in a word at intervals, and the through holes 7 are in any one of regular hexagon, circle and square shapes, and the main beam does not consider the result generated by the object shaking or impacting other objects around in the hoisting process in the design process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel hoist two roof beam hoist's girder construction on an empty stomach to solve the lifting process hook that proposes among the above-mentioned background art and indiscriminate hit, can't continue work and the hoist bad problem of laying of lifting hook nothing after falling in original removal wheel or mechanism damage.
In order to achieve the above object, the utility model provides a following technical scheme: a novel hollow main beam structure of a hoist double-beam crane comprises a cross rod, a main beam main body and a main hook, and further comprises a protective structure for preventing objects or ropes from being impacted in the hoisting process, a moving structure for helping the device to move in other directions and an auxiliary structure for helping the hoisting device to provide a placing position when a hook cannot be recovered;
the top end of the main beam body is provided with a top box, a line pipe is arranged in the middle of the front face of the top box, the bottom end of the line pipe is connected with other lines, a collecting pipe is sleeved at the top end of the outer side of the other lines, a cross rod transversely penetrates through the inside of the collecting pipe, rail wheels are arranged at the lower ends of two sides of the main beam body, the bottom end of the top box is connected with an electric hoist, a rope is arranged at the bottom end of the electric hoist, a tooth plate is arranged at the bottom end of the rope, a lifting box is arranged at the bottom end of the tooth plate, and a main hook is arranged at the bottom end of the lifting box;
the protective structure is arranged on the back of the main beam main body;
the movable structure is arranged at the upper end of one side of the main beam main body;
the auxiliary structure is arranged on one side of the bottom end of the main beam main body.
Preferably, protective structure still includes and keeps off the thick stick, it sets up in the back of girder main part to keep off the thick stick, keep off one side on thick stick top and install the second slider, and the outside cover of second slider one side is equipped with perpendicular way, the bottom of perpendicular way transversely is provided with the screw rod, and erects to say positive lower extreme and be provided with and press from both sides tight square, the inside lower extreme of perpendicular way transversely runs through there is the gag lever post, and one side of gag lever post is connected with bent arm, bent arm's top is installed the movable block, and the back of movable block is provided with the track, the external thread structure of screw rod and the internal thread structure phase-match of perpendicular way, and the central point of perpendicular way and the central point that keeps off the thick stick are on same straight line.
Preferably, the bumper bar is made of impact-resistant material, and the length of the bumper bar is greater than the diameter of the transported object.
Preferably, the removal structure comprises pivot, connecting rod, pulley, atress piece and fixed plate, the fixed plate sets up in the inside of girder main part one side upper end, the front of fixed plate is provided with the pivot, and one side of fixed plate is connected with the atress piece, the inside of atress piece transversely runs through there is the connecting rod, and one side of connecting rod is connected with the pulley, the size of pulley is the same with the size of rail wheel, and the outside of pulley is provided with wear-resisting material.
Preferably, the central point of the connecting rod and the central point of the stress block coincide with each other, and the stress block is made of a material with strong pressure resistance.
Preferably, the auxiliary structure comprises a first slider, a receiving plate, a U-shaped frame, a clamping block, an upper groove and a lower groove, the first slider is arranged on one side of the bottom end of the main beam body, the receiving plate is arranged at the bottom end of the first slider, the clamping block is arranged on each of two sides of the bottom end of the receiving plate, the U-shaped frame is arranged at the bottom end of the clamping block, the lower groove is arranged at the bottom end of the inner side of the U-shaped frame, the upper groove is arranged in the middle of the bottom end of the receiving plate, the size of the opening of the upper groove is the same as that of the lower groove, and the width of the opening of the upper groove is the same as that of the main hook.
Preferably, the center point of the bearing plate and the center point of the upper groove are on the same straight line, and the center point of the U-shaped frame and the center point of the main hook are on the same straight line.
Compared with the prior art, the utility model provides a pair of novel two roof beam cranes of calabash open web girder structure has following beneficial effect:
(1) the utility model provides a have the movable block, the track, the crank arm, the vertical shaft, press from both sides tight square, the screw rod, the gag lever post, second slider and fender thick stick, utilize to stir the movable block, make the movable block move on the track, the movable block drives the crank arm and carries out the displacement on horizontal line simultaneously, and the crank arm drives the gag lever post and moves on the vertical shaft, utilize the crank arm to take out the gag lever post from the vertical shaft this moment, and when the gag lever post inserts the vertical shaft inside, strike and press from both sides tight square, press from both sides tight square simultaneously and support the gag lever post, and keep the stability of gag lever post, fender thick stick and second slider begin to move along vertical direction, the staff can control the distance that shifts up or shift down of fender thick stick according to the interval between rope and the article, the problem of the indiscriminate collision of hook in the lift by crane process has been solved;
(2) the utility model provides a rotating shaft, a connecting rod, a pulley, a stress block and a fixed plate, wherein the pulley is placed on a transverse sliding rail, and the space between the rotating shaft and the fixed block is tightened by an electric wrench;
(3) the utility model provides a have first slider, accept the board, U type frame, the fixture block, upper trough and lower groove, the head that utilizes the main hook hangs on upper trough or lower groove, the upper trough lower groove can all be in the same place with the main hook interlock this moment, when because the distance unhook leads to the distance between main hook and the U type frame when not enough, first slider drives U type frame this moment and begins to remove and shorten the distance, accept the board simultaneously can be fine the gravity of bearing the main hook, the problem of the no department of lifting hook of having solved the calabash and having fallen the back and laid is bad.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic side view of the moving structure of the present invention;
FIG. 4 is a schematic side view of the auxiliary structure of the present invention;
fig. 5 is a front view of the auxiliary structure of the present invention;
fig. 6 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.
In the figure: 1. a cross bar; 2. a moving structure; 201. a rotating shaft; 202. a connecting rod; 203. a pulley; 204. a stress block; 205. a fixing plate; 3. a main beam main body; 4. a rail wheel; 5. an auxiliary structure; 501. a first slider; 502. a bearing plate; 503. a U-shaped frame; 504. a clamping block; 505. an upper groove; 506. a lower groove; 6. a rope; 7. a main hook; 8. lifting the box; 9. a dental plate; 10. other lines; 11. a collection pipe; 12. a line pipe; 13. a top box; 14. an electric hoist; 15. a movable block; 16. a track; 17. a crank arm; 18. erecting a road; 19. clamping the square block; 20. a screw; 21. a limiting rod; 22. a second slider; 23. and (6) stopping the lever.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1: referring to fig. 1-5, a hollow main beam structure of a novel hoist double-beam crane comprises a cross bar 1, a main beam main body 3 and a main hook 7, and further comprises a protective structure for preventing objects or ropes from being impacted in the hoisting process, a moving structure 2 for helping the crane to move in other directions, and an auxiliary structure 5 for helping the crane to place when a hook of the crane cannot be recovered;
a top box 13 is arranged at the top end of the main beam main body 3, a line pipe 12 is arranged in the middle of the front face of the top box 13, the bottom end of the line pipe 12 is connected with other lines 10, a collecting pipe 11 is sleeved at the top end of the outer side of the other lines 10, a cross rod 1 transversely penetrates through the inside of the collecting pipe 11, rail wheels 4 are arranged at the lower ends of two sides of the main beam main body 3, an electric hoist 14 is connected with the bottom end of the top box 13, a rope 6 is arranged at the bottom end of the electric hoist 14, a tooth plate 9 is arranged at the bottom end of the rope 6, a lifting box 8 is arranged at the bottom end of the tooth plate 9, and a main hook 7 is arranged at the bottom end of the lifting box 8;
the protective structure is arranged on the back of the main beam main body 3;
the movable structure 2 is arranged at the upper end of one side of the main beam main body 3;
the auxiliary structure 5 is arranged on one side of the bottom end of the main beam main body 3;
referring to fig. 1-5, the hollow main beam structure of the novel hoist double-beam crane further includes a protective structure, the protective structure further includes a blocking bar 23, the blocking bar 23 is disposed on the back of the main beam main body 3, a second slider 22 is mounted on one side of the top end of the blocking bar 23, a vertical passage 18 is sleeved outside one side of the second slider 22, a screw 20 is transversely disposed at the bottom end of the vertical passage 18, a clamping block 19 is disposed at the lower end of the front side of the vertical passage 18, a limiting rod 21 transversely penetrates through the lower end of the inside of the vertical passage 18, a curved arm 17 is connected to one side of the limiting rod 21, a movable block 15 is mounted at the top end of the curved arm 17, a track 16 is disposed on the back of the movable block 15, an external thread structure of the screw 20 is matched with an internal thread structure of the vertical passage 18, and the center point of the vertical passage 18 and the center point of the blocking bar 23 are on the same straight line;
specifically, as shown in fig. 1, 2 and 6, the movable block 15 is shifted, so that the movable block 15 moves on the track 16, the movable block 15 drives the crank arm 17 to move on a horizontal line, the crank arm 17 drives the limiting rod 21 to move on the vertical channel 18, at this time, the limiting rod 21 can be pulled away from the vertical channel 18 by using the crank arm 17, and when the limiting rod 21 is inserted into the vertical channel 18, the clamping block 19 is knocked, the clamping block 19 abuts against the limiting rod 21, the stability of the limiting rod 21 is maintained, the shift of the blocking lever 23 and the second slider 22 in the vertical direction is started, and a worker can control the upward shift or downward shift distance of the blocking lever 23 according to the distance between the rope 6 and the object.
Example 2: the movable structure 2 consists of a rotating shaft 201, a connecting rod 202, a pulley 203, a stress block 204 and a fixing plate 205, the fixing plate 205 is arranged inside the upper end of one side of the main beam main body 3, the rotating shaft 201 is arranged on the front surface of the fixing plate 205, the stress block 204 is connected to one side of the fixing plate 205, the connecting rod 202 transversely penetrates through the inside of the stress block 204, the pulley 203 is connected to one side of the connecting rod 202, the size of the pulley 203 is the same as that of the rail wheel 4, and an anti-abrasion material is arranged on the outer side of the pulley 203;
specifically, as shown in fig. 1, 2 and 3, when the rail wheel 4 can not be used continuously and can not be replaced due to serious wear, the pulley 203 is placed on the transverse sliding rail, the rotating shaft 201 and the fixing plate 205 are tightened by an electric wrench, and when the pulley 203 is stressed in the transverse direction, the stress block 204 plays a role in buffering and reducing pressure and keeps the connecting rod 202 from being crushed.
Example 3: the auxiliary structure 5 comprises a first sliding block 501, a bearing plate 502, a U-shaped frame 503, a fixture block 504, an upper groove 505 and a lower groove 506, the first sliding block 501 is arranged on one side of the bottom end of the main beam main body 3, the bearing plate 502 is arranged at the bottom end of the first sliding block 501, the fixture blocks 504 are arranged on two sides of the bottom end of the bearing plate 502, the U-shaped frame 503 is arranged at the bottom end of the fixture block 504, the lower groove 506 is arranged at the bottom end of the inner side of the U-shaped frame 503, the upper groove 505 is arranged in the middle of the bottom end of the bearing plate 502, the size of the notch of the upper groove 505 is the same as that of the lower groove 506, and the width of the notch of the upper groove 505 is the same as that of the main hook 7;
specifically, as shown in fig. 1, 4 and 5, when the main hook 7 cannot be retracted because the electric hoist 14 cannot be started, the head of the main hook 7 is hung on the upper groove 505 or the lower groove 506, both the upper groove 505 and the lower groove 506 can be engaged with the main hook 7, and when the distance between the main hook 7 and the U-shaped frame 503 is insufficient because the distance is not hooked, the first slider 501 drives the U-shaped frame 503 to start moving and shorten the distance, and the receiving plate 502 can well bear the weight of the main hook 7.
The working principle is as follows: when the device is used, the device is erected on a needed crane;
the first innovation point implementation step:
the first step is as follows: a second sliding block 22 is installed on one side of the top end of the stop lever 23, a vertical channel 18 is sleeved outside one side of the second sliding block 22, a screw 20 is transversely arranged at the bottom end of the vertical channel 18, a clamping block 19 is arranged at the lower end of the front side of the vertical channel 18, a limiting rod 21 transversely penetrates through the lower end of the inner part of the vertical channel 18, a crank arm 17 is connected to one side of the limiting rod 21, a movable block 15 is installed at the top end of the crank arm 17, and a track 16 is arranged on the back side of the movable block 15;
the second step is that: the movable block 15 is shifted, so that the movable block 15 moves on the track 16, meanwhile, the movable block 15 drives the crank arm 17 to move on a horizontal line, the crank arm 17 drives the limiting rod 21 to move on the vertical channel 18, at the moment, the limiting rod 21 can be pulled away from the vertical channel 18 by utilizing the crank arm 17, when the limiting rod 21 is inserted into the vertical channel 18, the clamping block 19 is knocked, meanwhile, the clamping block 19 abuts against the limiting rod 21, and the stability of the limiting rod 21 is kept;
the third step: the stop bar 23 and the second slider 22 start to move in the vertical direction, and the worker can control the distance of the stop bar 23 moving up or down according to the distance between the rope 6 and the object.
The implementation step of the second innovation point:
the first step is as follows: the front surface of the fixing plate 205 is provided with a rotating shaft 201, one side of the fixing plate 205 is connected with a stress block 204, the interior of the stress block 204 transversely penetrates through a connecting rod 202, and one side of the connecting rod 202 is connected with a pulley 203;
the second step is that: when the rail wheel 4 can not be used continuously due to serious abrasion and can not be replaced, the pulley 203 is placed on a transverse sliding rail, and the rotating shaft 201 and the fixing plate 205 are tightened by an electric wrench;
the third step: when the pulley 203 is stressed in the lateral direction, the stress block 204 will act as a buffer and relief and keep the connecting rod 202 from being crushed.
The third innovation point implementation step:
the first step is as follows: the bottom end of the first sliding block 501 is provided with a bearing plate 502, two sides of the bottom end of the bearing plate 502 are provided with fixture blocks 504, the bottom end of the fixture block 504 is provided with a U-shaped frame 503, the bottom end of the inner side of the U-shaped frame 503 is provided with a lower groove 506, and the middle of the bottom end of the bearing plate 502 is provided with an upper groove 505;
the second step is that: when the main hook 7 cannot be retracted because the electric hoist 14 cannot be started, the head of the main hook 7 is hung on the upper groove 505 or the lower groove 506, and both the upper groove 505 and the lower groove 506 can be meshed with the main hook 7;
the third step: when the distance between the main hook 7 and the U-shaped frame 503 is not enough due to the non-hooking, the first sliding block 501 drives the U-shaped frame 503 to start moving and shorten the distance, and the receiving plate 502 can well bear the gravity of the main hook 7.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a novel two roof beam cranes of calabash empty stomach girder structure, includes horizontal pole (1), girder main part (3) and main hook (7), its characterized in that: the device also comprises a protective structure for preventing objects or ropes from being impacted in the hoisting process, a moving structure (2) for helping the device to act in other directions and an auxiliary structure (5) for helping the hoisting device to provide a placing position when a hook of the hoisting device cannot be recovered;
the top end of the main beam main body (3) is provided with a top box (13), the middle of the front surface of the top box (13) is provided with a line pipe (12), the bottom end of the line pipe (12) is connected with other lines (10), the top ends of the outer sides of the other lines (10) are sleeved with collecting pipes (11), a cross rod (1) transversely penetrates through the collecting pipes (11), the lower ends of the two sides of the main beam main body (3) are provided with rail wheels (4), the bottom end of the top box (13) is connected with an electric hoist (14), the bottom end of the electric hoist (14) is provided with a rope (6), the bottom end of the rope (6) is provided with a dental plate (9), the bottom end of the dental plate (9) is provided with a lifting box (8), and the bottom end of the lifting box (8) is provided with a main hook (7);
the protective structure is arranged on the back of the main beam main body (3);
the moving structure (2) is arranged at the upper end of one side of the main beam main body (3);
the auxiliary structure (5) is arranged on one side of the bottom end of the main beam main body (3).
2. The novel empty stomach girder structure of two roof beam cranes of calabash of claim 1, characterized by: the protective structure further comprises a blocking bar (23), the blocking bar (23) is arranged on the back of the main beam main body (3), a second sliding block (22) is installed on one side of the top end of the blocking bar (23), a vertical channel (18) is sleeved outside one side of the second sliding block (22), a screw rod (20) is transversely arranged at the bottom end of the vertical channel (18), and the lower end of the front surface of the vertical channel (18) is provided with a clamping block (19), the lower end of the inner part of the vertical channel (18) transversely penetrates through a limiting rod (21), one side of the limiting rod (21) is connected with a crank arm (17), the top end of the crank arm (17) is provided with a movable block (15), and the back of the movable block (15) is provided with a track (16), the external thread structure of the screw rod (20) is matched with the internal thread structure of the vertical channel (18), and the central point of the vertical channel (18) and the central point of the stop lever (23) are on the same straight line.
3. The novel empty stomach girder structure of two roof beam cranes of calabash of claim 2, characterized in that: the blocking bar (23) is made of impact-resistant materials, and the length of the blocking bar (23) is larger than the diameter of the transported object.
4. The novel empty stomach girder structure of two roof beam cranes of calabash of claim 1, characterized by: remove structure (2) and constitute by pivot (201), connecting rod (202), pulley (203), atress piece (204) and fixed plate (205), fixed plate (205) set up in the inside of girder main part (3) one side upper end, the front of fixed plate (205) is provided with pivot (201), and one side of fixed plate (205) is connected with atress piece (204), the inside of atress piece (204) transversely runs through has connecting rod (202), and one side of connecting rod (202) is connected with pulley (203), the size of pulley (203) is the same with the size of rail wheel (4), and the outside of pulley (203) is provided with wear-resisting material.
5. The novel empty stomach girder structure of two roof beam cranes of calabash of claim 4, characterized by: the central point of the connecting rod (202) and the central point of the stress block (204) are overlapped, and the stress block (204) is made of a material with strong pressure resistance.
6. The novel empty stomach girder structure of two roof beam cranes of calabash of claim 1, characterized by: auxiliary structure (5) comprise first slider (501), accept board (502), U type frame (503), fixture block (504), upper chute (505) and lower groove (506), first slider (501) sets up in one side of girder main part (3) bottom, the bottom of first slider (501) is provided with accepts board (502), and the both sides of accepting board (502) bottom all are provided with fixture block (504), the bottom of fixture block (504) is provided with U type frame (503), and the inboard bottom of U type frame (503) is provided with lower groove (506), the centre department of accepting board (502) bottom is provided with upper chute (505), the size of upper chute (505) notch is the same with the size of lower groove (506), and the width of upper chute (505) notch is the same with the width of main hook (7).
7. The novel empty stomach girder structure of two roof beam cranes of calabash of claim 6, characterized by: the central point of the bearing plate (502) and the central point of the upper groove (505) are on the same straight line, and the central point of the U-shaped frame (503) and the central point of the main hook (7) are on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121145156.0U CN214733891U (en) | 2021-05-26 | 2021-05-26 | Hollow main beam structure of novel hoist double-beam crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121145156.0U CN214733891U (en) | 2021-05-26 | 2021-05-26 | Hollow main beam structure of novel hoist double-beam crane |
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| CN214733891U true CN214733891U (en) | 2021-11-16 |
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| CN202121145156.0U Expired - Fee Related CN214733891U (en) | 2021-05-26 | 2021-05-26 | Hollow main beam structure of novel hoist double-beam crane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116553353A (en) * | 2023-07-07 | 2023-08-08 | 阳信东泰精密金属有限公司 | Prefabricated part storing and lifting device |
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2021
- 2021-05-26 CN CN202121145156.0U patent/CN214733891U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116553353A (en) * | 2023-07-07 | 2023-08-08 | 阳信东泰精密金属有限公司 | Prefabricated part storing and lifting device |
| CN116553353B (en) * | 2023-07-07 | 2023-09-15 | 阳信东泰精密金属有限公司 | Prefabricated part storing and lifting device |
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