CN219408911U - Square ingot lifting tool assembly - Google Patents
Square ingot lifting tool assembly Download PDFInfo
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- CN219408911U CN219408911U CN202223212277.XU CN202223212277U CN219408911U CN 219408911 U CN219408911 U CN 219408911U CN 202223212277 U CN202223212277 U CN 202223212277U CN 219408911 U CN219408911 U CN 219408911U
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Abstract
The utility model discloses a square ingot lifting appliance assembly, which comprises two lifting hooks, wherein each lifting hook is provided with a cross arm and a hook head, one end of the cross arm is fixedly connected with the hook head, and the other end of the cross arm is provided with a clamping rod; the hanging strip is sequentially wound outside the clamping rods of the two lifting hooks; when lifting the square ingot, the suspender comprises a tensioning part and a vertical part which are isosceles triangles and have obtuse angles at the top angles, clamping rods of two lifting hooks are respectively clamped at two bottom corners of the tensioning part, hook heads of the two lifting hooks are opposite to each other, and a cross arm is attached to the top surface of the square ingot. This square spindle hoist subassembly simple structure and with low costs, during the use, make two lifting hooks keep relatively near the trend of removal through the hoist tensioning portion to make the gib head butt in Fang Dingzhou of two lifting hooks to the outer fringe, and tensioning portion is the obtuse isosceles triangle of apex angle, make gib head and square spindle butt back, the horizontal direction effort that square spindle received is greater than the gravity of vertical direction, has avoided square spindle to drop, has guaranteed stable hoist and mount transport function.
Description
Technical Field
The utility model relates to the technical field of lifting appliances, in particular to a square ingot lifting appliance assembly.
Background
Square ingots are cubic metal blocks, a common metal raw material in industrial production activities, and are generally used for preparing various metal products, such as molds, profiles and the like.
In the prior art, a device is required to carry and transfer square ingots before processing the square ingots, and at present, a mechanical arm is generally used for completing lifting, transferring and carrying of the square ingots, such as a double-hand gripping fixture disclosed in China utility model with a publication number of CN114906386A, and the fixture generally uses a motor screw rod structure to drive two fixtures to move close to each other so as to complete clamping of the square ingots. The device can finish clamping of square ingots, but has complex structure, high cost and limited clamping force, particularly when the square ingots with larger quality are clamped, the positions between the clamps and the square ingots are relatively fixed in the clamping state, the firm clamping and hoisting operation of the square ingots are difficult to ensure, and the square ingots are easy to fall from between the two clamps.
Accordingly, there is a need for improvements in the art square ingot spreader assemblies.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides the square ingot lifting tool assembly which is simple in structure, low in cost and capable of guaranteeing firm grabbing and lifting effects.
In order to achieve the technical effects, the technical scheme of the utility model is as follows: a square ingot spreader assembly comprising:
the two lifting hooks are respectively provided with a cross arm and a hook head, one end of the cross arm is fixedly connected with the hook head, the other end of the transverse wall is provided with a clamping rod, and the length direction of the clamping rod is perpendicular to the length direction of the cross arm;
the width direction of the hanging strip is consistent with the length direction of the clamping rods, and the hanging strip is sequentially wound outside the clamping rods of the two lifting hooks;
when lifting a square ingot, the suspender comprises a tensioning part which is an isosceles triangle and has an obtuse angle of the vertex angle and a vertical part which is connected with the vertex angle of the tensioning part, wherein the vertical part is used for connecting a moving device, two clamping rods of the lifting hooks are respectively clamped at two bottom corners of the tensioning part, two hook heads of the lifting hooks are just opposite to each other, and the transverse arm is attached to the top surface of the square ingot.
When the square ingot lifting tool assembly of the technical scheme is used, the two lifting hooks are respectively placed at the end positions of the top surface of the square ingot, the hook heads of the end parts of the cross arms of the two lifting hooks face two opposite side surfaces in the circumferential outer edge of the square ingot, the lifting belts are pulled, the two hook heads are respectively abutted to the two opposite side surfaces of the square ingot, at the moment, the lifting belts are two parts of the vertical part and the tensioning part, the clamping rods of the two lifting hooks are tensioned at the two bottom corner parts of the tensioning part, the two clamping rods are kept close to each other in a moving trend through the lifting belts, so that the hook heads of the lifting hooks are firmly abutted to the side surfaces of the square ingot, then the moving device is connected with the vertical part, the vertical part is driven to move through the moving device, the tensioning part, the cross arms are connected with the hook heads, the hook heads of the two lifting hooks are kept relatively close to the moving trend, the square ingot is firmly gripped, the lifting hooks are not only in an obtuse isosceles triangle shape, and accordingly the lifting hooks are in the lifting hooks, the vertical direction, the borne horizontal acting force is larger than the vertical direction, the bearing acting force is enabled to be free from the horizontal direction, the lifting force is greatly released from the vertical direction, the lifting tool assembly is stable, the lifting force is easy to be realized, and the lifting force is stable and the lifting force is easy to be compared with the lifting the existing.
Preferably, the two lifting hooks are provided with two cross arms, the two cross arms of each lifting hook are respectively connected with two ends of the clamping rod, and one ends of the two cross arms, far away from the clamping rod, are fixedly connected with the hook heads.
Through adopting above-mentioned technical scheme, increased the quantity of xarm and gib head, strengthened the structure of lifting hook to increased the area of contact of gib head and square ingot when the lifting hook grabs the ingot, in order to guarantee firm stable snatch square ingot, realized hoist and mount.
Preferably, each lifting hook further comprises a limiting rod, two ends of the limiting rod are connected with two cross arms respectively, the limiting rods, the clamping rods and the two cross arms enclose to form a limiting opening, and the hanging strip penetrates through the inner side of the limiting opening.
Through adopting above-mentioned technical scheme, utilize gag lever post, clamp lever and two xarm to enclose to close and form spacing mouthful, the suspender wears to locate the inboard of spacing mouthful to can prevent suspender and lifting hook separation.
Preferably, the clamping rod and/or the limiting rod are detachably connected with the two cross arms.
Through adopting above-mentioned technical scheme for clamping lever and/or gag lever post can dismantle with the xarm and be connected, so that open spacing mouth, make things convenient for change, dismantlement and the installation between suspender and the lifting hook.
Preferably, the two cross arms are provided with through holes, the two ends of the clamping rod and/or the limiting rod are connected with nuts through threads, and the two cross arms are clamped between the nuts.
Through adopting above-mentioned technical scheme, utilize the detachable connection of nut and clamping bar and/or gag lever post tip, realized the detachable connection between clamping bar and/or gag lever post and the two xarm.
Preferably, the sling is sleeved with a limiting ring to adjust the length of the vertical part and the angle of the top angle of the tensioning part in the sling when the square ingot is lifted.
Through adopting above-mentioned technical scheme, utilize the spacing ring can adjust the apex angle of tensioning portion when lifting by crane the roof to adjust the footing angle of tensioning portion, and then change the size of the horizontal direction centre gripping effort that the square ingot receives, in order to guarantee the firm effect of snatching of square ingot.
Preferably, the limiting ring is connected with a locking component, and the locking component is used for locking the limiting ring on the hanging belt.
Through adopting above-mentioned technical scheme, utilize locking subassembly can lock the position of spacing ring on the sling, prevent that the spacing ring position from becoming flexible in the hoist and mount in-process, influence the hoist and mount operation of square spindle.
Preferably, the locking assembly comprises a locking member sliding on the inner side of the limiting ring along the width direction and the vertical direction of the hanging strip, a locking bolt is connected to the circumferential outer edge of the limiting ring in a threaded manner, and the locking bolt is abutted to the locking member so as to lock one end of the vertical portion adjacent to the top angle of the tensioning portion between the locking member and the inner wall of the limiting ring.
Through adopting above-mentioned technical scheme, rotatory locking bolt for locking bolt's tip butt is on the retaining member, promotes the retaining member and removes, presss from both sides the vertical portion of suspender between retaining member and the inner wall of spacing ring, thereby has realized the locking connection of spacing ring and suspender.
Preferably, the hook head is arc-shaped.
By adopting the technical scheme, the arc-shaped hook head is beneficial to clamping acting force between the end part of the hook head and the side surface of the square ingot when the square ingot is lifted, and safe and stable lifting of the square ingot is ensured.
Preferably, the ends of the two lifting hook heads, which are contacted with the square ingot, are clamping surfaces, and the clamping surfaces are used for being contacted with the circumferential outer edge surface of the square ingot.
Through adopting above-mentioned technical scheme, when having increased hoist and mount square ingot, the area of contact of lifting hook gib head tip and Fang Dingzhou Xiang Waiyuan reduces the pressure that square ingot side received, prevents to leave the indentation on square ingot surface, guarantees the safe transportation of square ingot.
In summary, compared with the prior art, the square ingot lifting tool assembly has a simple structure and low cost, and when in use, the two lifting hooks keep relatively close to the trend of movement through the lifting tensioning part, so that the hook heads of the two lifting hooks are abutted against the Fang Dingzhou outer edge, the tensioning part is in an isosceles triangle with the apex angle being an obtuse angle, the horizontal acting force borne by the square ingot is greater than the gravity in the vertical direction after the hook heads are abutted against the square ingot, the square ingot is prevented from falling off, and the stable lifting and transporting function is ensured.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of the present utility model;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic view showing the construction of a hook according to a first embodiment of the present utility model;
FIG. 4 is a schematic view showing the construction of the hook according to the first embodiment of the present utility model at another angle;
fig. 5 is a schematic structural view of a second embodiment of the present utility model;
fig. 6 is a schematic structural view of a third embodiment of the present utility model;
FIG. 7 is an exploded view of FIG. 6;
fig. 8 is a schematic structural view of a fourth embodiment of the present utility model;
FIG. 9 is a schematic view showing the construction of a hanger according to a fourth embodiment of the present utility model;
FIG. 10 is a schematic view of the structure of FIG. 9;
in the figure: 100. a lifting hook; 200. a cross arm; 300. a hook head; 301. a clamping surface; 400. a clamping rod; 500. a hanging belt; 600. a tensioning part; 700. a vertical portion; 800. a limit rod; 900. perforating; 110. a nut; 120. a locking member; 130. a locking bolt; 140. a limiting ring; 150. square ingot.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
As shown in fig. 1 to 4, a square ingot sling assembly according to a first embodiment of the present utility model includes:
the two lifting hooks 100 are provided with a cross arm 200 and a hook head 300, one end of the cross arm 200 is fixedly connected with the hook head 300, the other end of the cross arm 200 is provided with a clamping rod 400, and the length direction of the clamping rod 400 is perpendicular to the length direction of the cross arm 200;
the hanging strip 500, the width direction of the hanging strip 500 is consistent with the length direction of the clamping rods 400, and the hanging strip 500 is sequentially wound outside the clamping rods 400 of the two lifting hooks 100;
when square ingots are lifted, the hanging strip 500 comprises a tensioning part 600 which is in an isosceles triangle shape and has an obtuse angle top angle, and a vertical part 700 connected with the top angle of the tensioning part 600, wherein the vertical part 700 is used for connecting a moving device, clamping rods 400 of two lifting hooks 100 are respectively clamped at two bottom angles of the tensioning part 600, hook heads 300 of the two lifting hooks 100 are opposite to each other, and a cross arm 200 is attached to the top surface of the square ingot 150.
When the square ingot lifting tool assembly is used, two lifting hooks 100 are placed on the top surface of a square ingot 150, so that after the cross arm 200 of the lifting hooks 100 is attached to the top surface of the square ingot 150, the vertical part 700 of the lifting belt 500 is pulled upwards, and the vertical part 700 is connected with a moving device (the moving device is usually a mechanical device with lifting and moving functions used in industrial production activities, such as a crane), so that the end parts of the hook heads 300 of the two lifting hooks 100 are respectively abutted against two opposite side walls in the peripheral outer edge of the square ingot 150, and the square ingot 150 is clamped. In the process of lifting and transporting the square ingot 150, the hanging strip 500 is always kept in a tensioning state and is respectively provided with a tensioning part 600 and a vertical part 700, wherein the tensioning part 600 is in an isosceles triangle shape, the bottom edge of the tensioning part 600 is parallel to the top surface of the square ingot 150, the vertical part 700 extends along the plumb direction, the projection of the vertical part 700 on the bottom edge of the tensioning part 600 is positioned at the center position of the tensioning part 600, so that two lifting hooks 100 apply clamping forces with the same action from two ends of the square ingot 150, and the two bottom corners of the tensioning part 600 act on clamping rods 400 of the two lifting hooks 100, so that the clamping rods 400 of the two lifting hooks 100 generate a trend of mutually approaching movement, and then the clamping rods 400 act on the hook heads 300 through the cross arm 200, so that the hook heads 300 of the two lifting hooks 100 generate a trend of mutually approaching movement, so as to clamp the square ingot 150; in addition, because the apex angle of tensioning portion 600 is the obtuse angle for the contained angle of two waists of tensioning portion 600 and horizontal plane is all less than 45, and under this state, the clamping force of gib head 300 to the horizontal direction of spindle 150 is greater than the gib head 300 to the effort of spindle 150 vertical direction, and the xarm 200 of lifting hook 100 is laminated with the top surface of spindle 150 mutually, thereby guaranteed the firm centre gripping effort of spindle 150 to the counter, avoid spindle 150 to drop in the hoist and mount process, in addition, compare in the mode of adopting the manipulator transport among the prior art, this spindle hoist subassembly simple structure, convenient to use has reduced the cost by a wide margin.
In one embodiment, the hook 300 is arc-shaped; the ends of the hook heads 300 of the two hooks 100, which are contacted with the square ingot, are clamping surfaces 301, and the clamping surfaces 301 are used for being contacted with the circumferential outer edge surface of the square ingot.
After adopting above-mentioned structure, increased the area of contact of gib head 300 and square spindle 150 lateral wall when hoist and mount transport to guaranteed firm stable hoist and mount operation, not only, circular-arc gib head 300 makes things convenient for clamp surface 301 and the lateral wall butt of square spindle 150 of gib head 300 tip, prevents hoist and mount transport messenger square spindle 1500 to drop.
In one embodiment, the sling 500 is sleeved with a stop collar 140 to adjust the length of the vertical portion 700 and the angle of the top corner of the tensioning portion 600 in the sling 500 when lifting a square ingot. Specifically, the limiting ring 140 is a circular ring, and is sleeved outside the bottom end of the vertical portion 700, that is, the limiting ring 140 is located at a position where the vertical portion 700 is connected with the tensioning portion 600, before lifting, the limiting ring 140 can move along the hanging strip 500 to adjust the dimensions of the vertical portion 700 and the tensioning portion 600, and particularly, the bottom angle of the tensioning portion 600 and the length of the bottom plate can be changed, so that the limiting ring can be suitable for lifting square ingots 150 with different length dimensions, and the magnitude of the acting force applied by the hook head 300 on the side wall of the Yu Fang ingot 150 in the lifting process is changed, and the clamping acting force is divided into a horizontal direction and a vertical direction, wherein the sum of the acting forces applied by the two hooks 100 in the vertical direction is equal to the gravity of the square ingot 160, and the magnitude of the acting force in the horizontal direction is changed by the inclination direction of the waist of the tensioning portion 600, and therefore, the limiting ring 140 can be particularly used for adjusting the magnitude of the acting force applied by the two hooks 100 on the square ingot 150 in the horizontal direction.
In a specific embodiment, two hooks 100 each have two cross arms 200, and the two cross arms 200 of each hook 100 are respectively connected to two ends of the clamping bar 400, and one ends of the two cross arms 200, which are far away from the clamping bar 400, are fixedly connected with the hook heads 300. Through adopting above-mentioned structure, increased the quantity of gib head 300, increased the area of contact with square spindle 150 when lifting hook 100 centre gripping square spindle 150 simultaneously, in addition for lifting hook 100 has certain width, in order to guarantee to hoist behind the square spindle 150 mobile device can drive square spindle 150 through this hoist subassembly and carry out stable removal.
In a specific embodiment, each lifting hook 100 further comprises a limiting rod 800, two ends of the limiting rod 800 are respectively connected with the two cross arms 200, the limiting rod 800, the clamping rod 400 and the two cross arms 200 are enclosed to form a limiting opening, the hanging strip 500 is arranged on the inner side of the limiting opening in a penetrating manner, and the axial direction of the limiting rod 800 is consistent with the axial direction of the clamping rod 400; both the stop bar 800 and the clamp bar 400 are welded between the two cross arms 200.
Through adopting above-mentioned technical scheme, on the one hand, utilize gag lever post 800 can consolidate the joint strength between two xarm 200 for this lifting hook 100 structure is more temperature, and on the other hand, gag lever post 800, clamp lever 400 and two xarm 200 enclose and close and form spacing mouthful, after suspender 500 passes spacing mouthful, can this hoist subassembly idle state under suspender 500 and lifting hook 100 phase separation.
In order to reduce the relative movement between the sling 500 and the hook 100 during lifting, the lifting stability is ensured, and the width of the sling 500 is consistent with the distance between the two cross arms 200 in the hook 100, i.e. the length of the clamping bar 400.
In a preferred embodiment, the hanging strip 500 is in a closed loop shape, as shown in fig. 5, the top parts of the vertical parts 700 of the hanging strip 500 are integrally connected, so that the hanging strip 500 is in a closed loop shape no matter what state, on one hand, the connection of the vertical parts 700 and a moving device is facilitated, the moving device can connect the top parts of the vertical parts 700 with the moving device only by penetrating the inner sides of the hanging strip 500 along the width direction of the hanging strip 500 at the position of the vertical parts 700, so that the hanging strip 500 is convenient to hoist and transport, and on the other hand, the hanging strip 500 is enabled to be uniform and consistent in stress along the circumferential direction, so that the service life of the hanging strip is prolonged.
In a preferred embodiment, the stop collar 140 is coupled to a locking assembly that is used to lock the stop collar 140 to the harness 500.
Specifically, as shown in fig. 6 and 7, the locking assembly includes a locking member 120 sliding on the inner side of a limiting ring 140 along the width direction and the vertical direction perpendicular to a sling 500, a locking bolt 130 is screwed on the circumferential outer edge of the limiting ring 140, the locking bolt 130 abuts against the locking member 120, so that one end of the vertical portion 700 adjacent to the vertex angle of the tensioning portion 600 is locked between the locking member 120 and the inner wall of the limiting ring 140, wherein the limiting ring 140 is in a rectangular frame structure, the locking member 120 is a locking plate, the plate surface of the locking plate is vertically provided, sliding ports are formed at two ends of the locking plate, the circumferential inner wall of the sliding port is in sealing connection with the limiting ring 140, so that the locking plate can slide along the length direction perpendicular to the locking plate, and the locking bolt 130 is rotated, so that the locking bolt 130 abuts against the locking plate is moved towards the vertical portion 700, and finally the vertical portion 700 can be matched through the side walls of the locking plate and the limiting ring 140, so that the vertical portion 700 and the limiting ring 140 keep a relatively fixed positional relationship in terms, and the relative positions of the limiting ring 140 are kept, and the lifting shape of the tensioning portion 600 are prevented from being influenced, and normal transportation of the sling 600 is effected.
In a preferred embodiment, the clamping bar 400 and/or the stop bar 800 are detachably connected to the two cross arms 200; the two cross arms 200 are respectively provided with a perforation 900, two end threads of the clamping rod 400 and/or the limiting rod 800 are respectively connected with the nuts 110, and the two cross arms 200 are clamped between the nuts 110.
Specifically, as shown in fig. 8-10, the clamping rod 400 is fixed between two cross arms 200, the two cross arms 200 are provided with through holes 900 for the stop lever 800 to pass through, the stop lever 800 passes through the cross arms 200 through the through holes 900, two ends of the stop lever 800 are connected with nuts 110 in a threaded manner, and the two cross arms 200 are clamped between the nuts 110 at two ends of the stop lever 800.
After the structure is adopted, the limiting rod 800 can be quickly and detachably connected with the two cross arms 200, and when the limiting rod 800 is connected with the two cross arms 200, the limiting rod 800 can be enclosed with the clamping rod 400 and the two cross arms 200 to form a limiting port for the hanging strip 500 to penetrate through, and the hanging strip 500 is prevented from being separated from the hanging hook 100; after the limiting rod 800 is detached from the two cross arms 200, the hanging strip 500 can be separated from the hanging hook 100, the hanging strip 500 or the hanging hook 100 is replaced, then the limiting rod 800 is mounted on the two cross arms 200 through the nut 110, and the hanger assembly is more convenient to assemble and maintain through convenient disassembly of parts.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (10)
1. A square ingot sling assembly, comprising:
the two lifting hooks (100), wherein the two lifting hooks (100) are respectively provided with a cross arm (200) and a hook head (300), one end of the cross arm (200) is fixedly connected with the hook head (300), the other end of the cross arm (200) is provided with a clamping rod (400), and the length direction of the clamping rod (400) is perpendicular to the length direction of the cross arm (200);
the width direction of the hanging strip (500) is consistent with the length direction of the clamping rods (400), and the hanging strip (500) is sequentially wound outside the clamping rods (400) of the two lifting hooks (100);
when lifting by crane square ingot, suspender (500) including be isosceles triangle and apex angle be tensioning portion (600) and with vertical portion (700) that tensioning portion (600) apex angle is connected, vertical portion (700) are used for connecting mobile device, two clamp rod (400) of lifting hook (100) press from both sides respectively in two base angle departments of tensioning portion (600), and two hook head (300) of lifting hook (100) are just setting up, xarm (200) are laminated with the top surface of square ingot.
2. The square ingot sling assembly as defined in claim 1, wherein: the two lifting hooks (100) are respectively provided with two cross arms (200), the two cross arms (200) of each lifting hook (100) are respectively connected with two ends of the clamping rod (400), and one ends, far away from the clamping rod (400), of the two cross arms (200) are respectively fixedly connected with the hook heads (300).
3. The square ingot sling assembly as defined in claim 1, wherein: each lifting hook (100) further comprises a limiting rod (800), two ends of the limiting rod (800) are respectively connected with two cross arms (200), the limiting rods (800), the clamping rods (400) and the two cross arms (200) enclose to form a limiting opening, and the hanging strip (500) penetrates through the inner side of the limiting opening.
4. A square ingot sling assembly as defined in claim 3, wherein: the clamping rod (400) and/or the limiting rod (800) are detachably connected with the two cross arms (200).
5. The square ingot sling assembly as defined in claim 4, wherein: two cross arms (200) are provided with through holes (900), two threads at two ends of the clamping rod (400) and/or the limiting rod (800) are connected with nuts (110), and the two cross arms (200) are clamped between the nuts (110).
6. The square ingot sling assembly as defined in claim 1, wherein: and a limiting ring (140) is sleeved outside the hanging belt (500) so as to adjust the length of the vertical part (700) and the vertex angle of the tensioning part (600) in the hanging belt (500) when the square ingot is lifted.
7. The square ingot sling assembly as defined in claim 6, wherein: the limiting ring (140) is connected with a locking assembly, and the locking assembly is used for locking the limiting ring (140) on the hanging strip (500).
8. The square ingot sling assembly as defined in claim 7, wherein: the locking assembly comprises a locking piece (120) which slides along the width direction and the vertical direction perpendicular to the hanging strip (500) and is arranged on the inner side of the limiting ring (140), a locking bolt (130) is connected to the circumferential outer edge of the limiting ring (140) in a threaded mode, the locking bolt (130) is abutted to the locking piece (120), and one end, adjacent to the top angle of the tensioning portion (600), of the vertical portion (700) is locked between the locking piece (120) and the inner wall of the limiting ring (140).
9. The square ingot sling assembly as defined in claim 1, wherein: the hook head (300) is arc-shaped.
10. The square ingot sling assembly as defined in claim 1, wherein: the ends, contacted with the square ingots, of the hook heads (300) of the two hooks (100) are clamping surfaces (301), and the clamping surfaces (301) are used for contacting with the circumferential outer edge surfaces of the square ingots.
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CN202223212277.XU CN219408911U (en) | 2022-11-30 | 2022-11-30 | Square ingot lifting tool assembly |
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CN202223212277.XU CN219408911U (en) | 2022-11-30 | 2022-11-30 | Square ingot lifting tool assembly |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116695498A (en) * | 2023-08-08 | 2023-09-05 | 国富建设有限公司 | Rail laying construction device for rail transit and construction method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116695498A (en) * | 2023-08-08 | 2023-09-05 | 国富建设有限公司 | Rail laying construction device for rail transit and construction method thereof |
CN116695498B (en) * | 2023-08-08 | 2023-10-13 | 国富建设有限公司 | Rail laying construction device for rail transit and construction method thereof |
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