CN216607436U - Steel pipe continuous cutting device - Google Patents
Steel pipe continuous cutting device Download PDFInfo
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- CN216607436U CN216607436U CN202122743606.2U CN202122743606U CN216607436U CN 216607436 U CN216607436 U CN 216607436U CN 202122743606 U CN202122743606 U CN 202122743606U CN 216607436 U CN216607436 U CN 216607436U
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Abstract
The utility model discloses a continuous cutting device for steel pipes, which is provided with a pushing mechanism, a cutting mechanism and a pressing mechanism, wherein the pressing mechanism is positioned at the top of the pushing mechanism; the cutting mechanism comprises two second telescopic parts, a sliding rod is connected between the piston ends of the two second telescopic parts, and the cutting part is connected on the sliding rod in a sliding manner; the pressing mechanism comprises a third telescopic part, the piston end of the third telescopic part is connected with a pressing plate, and the bottom of the pressing plate is provided with a plurality of arc-shaped grooves; according to the utility model, through arranging the pushing mechanism, the cutting mechanism and the pressing mechanism, the mechanical structure is used for replacing the work with high manpower repetition degree, the continuous and equivalent cutting of the steel pipe is realized, the problem that the position of the steel pipe needs to be manually adjusted when the steel pipe is cut at present is solved, and the complicated cutting process is avoided.
Description
Technical Field
The utility model belongs to the technical field of steel pipe cutting devices, and particularly relates to a continuous steel pipe cutting device.
Background
Cutting is a physical action, and in a narrow sense, cutting refers to cutting an object with a sharp tool such as a knife; the term "cutting" in the broad sense means that an object is broken by a tool, such as a machine tool, flame, etc., under the action of pressure or high temperature, and the term "cutting line" is used in mathematics to mean a straight line that divides a plane into several parts. The cutting has important function in production and life of people.
Current steel pipe cutting device simple structure, when cutting device cuts the steel pipe, during manual operation, cause the inhomogeneous phenomenon of cutting easily, the in-process of cutting simultaneously needs carry out continuous adjusting position to the steel pipe, can not accomplish continuous cutting to cause cutting process's loaded down with trivial details, increased a large amount of manpower, material resources cost.
Therefore, it is necessary to design a device capable of cutting a steel pipe without interruption.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides a steel pipe continuous cutting device which has the advantage of continuously and equivalently cutting steel pipes.
The technical scheme of the utility model is as follows:
a continuous cutting device for steel pipes comprises a shell, wherein a material pushing mechanism, a cutting mechanism and a pressing mechanism are arranged in the shell, the cutting mechanism is positioned on one side of the material pushing mechanism, and the pressing mechanism is arranged above the position between the material pushing mechanism and the cutting mechanism;
the pushing mechanism comprises a bottom plate and a first telescopic part, the top of the bottom plate is connected with a push plate in a sliding mode, and one side of the push plate is connected with the piston end of the first telescopic part; a cutting mechanism is arranged on one side of the bottom plate;
the cutting mechanism comprises two second telescopic parts, a driving part and a cutting part, wherein the two ends of one side of the bottom plate are respectively provided with the second telescopic parts, a sliding rod is connected between the piston ends of two adjacent second telescopic parts, the cutting part is connected onto the sliding rod in a sliding manner, and the driving part drives the cutting part to slide on the sliding rod;
the pressing mechanism comprises a third telescopic portion arranged above the bottom plate, a pressing plate is connected to the piston end of the bottom of the third telescopic portion, and a plurality of arc-shaped grooves are formed in the bottom of the pressing plate corresponding to the steel pipes.
The working principle of the technical scheme is as follows:
during operation, place the steel pipe that needs the cutting on the bottom plate earlier, the piston end of first pars contractilis moves forward, drive the push pedal and promote the steel pipe to suitable position after, the third pars contractilis starts, it pushes down the steel pipe to drive the clamp plate downstream, the quantity of arc recess is equal to the bottom plate to the biggest quantity that bears of steel pipe, an arc recess corresponds a steel pipe promptly, the motion of steel pipe is restricted through frictional force, at this moment, the second pars contractilis adjusts suitable height, drive division drive cutting portion is to the steel pipe cutting, the cutting is finished, the cutting portion is lifted up in the motion of second pars contractilis, after the clamp plate is lifted up in the motion of third pars contractilis, first pars contractilis promoted the push pedal once more and then promotes the steel pipe to suitable position after, repeat above-mentioned step, continue the cutting, finish until the whole cutting of steel pipe.
According to the utility model, through arranging the pushing mechanism, the cutting mechanism and the pressing mechanism, the mechanical structure is used for replacing the work with high manpower repetition degree, the continuous and equivalent cutting of the steel pipe is realized, the problem that the position of the steel pipe needs to be manually adjusted when the steel pipe is cut at present is solved, and the complicated cutting process is avoided.
In a further technical scheme, cutting part includes slider, first motor, blade, the slider is equipped with the cavity, the cavity internal rotation is equipped with the dwang, the end connection of dwang has the output shaft of first motor, the cover is equipped with the blade on the dwang, the blade extends to the outside of cavity bottom, drive division drive slider slides on the slide bar.
The driving part drives the sliding block to move on the sliding rod, and the first motor drives the blade to rotate at a high speed to cut the steel pipe.
In a further technical scheme, the driving part is including locating the gear in the slider and being located the second motor in the slider outside, the slider slides and wears to establish on the slide bar, the slide bar corresponds the gear and is provided with the spout, the setting of gear embedding is in the spout, be equipped with the teeth of a cogwheel with gear engagement on the relative both sides wall of spout, the output shaft of second motor stretches into inside and with gear connection of slider.
The second motor rotates to drive the gear to rotate, the gear is meshed with the gear teeth in the sliding groove, and the sliding block moves left and right through positive rotation and reverse rotation of the second motor.
In a further technical scheme, a first conveyor belt is arranged at one end of the bottom plate, and a transition slope is arranged between the first conveyor belt and the bottom plate; the transition slope is detachably connected with an elastic baffle plate close to the bottom plate.
The first conveyor belt can continuously provide steel pipes for the material pushing mechanism, and the transition slope enables the steel pipes on the first conveyor belt to be stably transited when being conveyed to the bottom plate.
In a further technical scheme, the top of the transition slope is detachably connected with an elastic baffle.
When the pushing mechanism, the cutting mechanism and the pressing mechanism work, the elastic baffle abuts against the steel pipe conveyed from the first conveyor belt, redundant steel pipes are stored on the transition slope, after the pushing mechanism, the cutting mechanism and the pressing mechanism work, the elastic baffle is taken down, and the steel pipes slide onto a bottom plate of the pushing mechanism due to the gradient of the transition slope.
In a further technical scheme, the bottom plate is erected on the workbench, the second conveying belt is arranged below the bottom plate in a penetrating mode, one end of the second conveying belt sequentially extends out of the lower portion of the bottom plate and the lower portion of the cutting portion, and a box body for bearing the steel pipe is arranged on the second conveying belt corresponding to the cutting portion.
The second conveyor belt conveys the box body, the box body bears the steel pipes after cutting is finished, and when the number of the steel pipes in the box body reaches a proper amount, the second conveyor belt is conveyed away from the box body and conveys the next box body to the bottom of the cutting mechanism.
The utility model has the beneficial effects that:
1. according to the utility model, through arranging the pushing mechanism, the cutting mechanism and the pressing mechanism, the mechanical structure is used for replacing the work with high manpower repetition degree, so that the continuous and equivalent cutting of the steel pipe is realized, the problem that the position of the steel pipe needs to be manually adjusted when the steel pipe is cut at present is solved, and the complicated cutting process is avoided;
2. the driving part drives the sliding block to move, so that the multi-heel steel pipe can be cut at one time;
3. the arc-shaped groove is arranged, the radian of the arc-shaped groove is matched with that of the steel pipe, the arc-shaped groove is used for pressing the steel pipe, the limiting effect is achieved, and the steel pipe is prevented from shifting during cutting;
4. the steel pipe cutting device is provided with the first conveyor belt, the transition slope and the elastic baffle, wherein the first conveyor belt plays a role in conveying steel pipes, the transition slope enables the steel pipes to roll to the bottom plate stably, and the elastic baffle limits the redundant steel pipes to roll to the bottom plate under the action of gravity to prevent the redundant steel pipes from affecting normal cutting when the device works;
5. the steel tube cutting machine is provided with the second conveyor belt and the box body, wherein the second conveyor belt conveys the box body, and the box body bears the cut steel tubes, so that the cut steel tubes cannot fall on the ground and scatter on the ground.
Drawings
FIG. 1 is a schematic view of the overall structure of a continuous cutting apparatus for steel pipes according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a pushing mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a cutting mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a pressing mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a slider according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of the driving portion according to the embodiment of the present invention.
Description of reference numerals:
10. a material pushing mechanism; 11. a base plate; 12. a first telescopic part; 13. pushing the plate; 20. a cutting mechanism; 21. a second telescopic part; 22. a slider; 221. a cavity; 222. rotating the rod; 223. a first motor; 23. a blade; 24. a drive section; 241. a gear; 242. a second motor; 243. a chute; 244. gear teeth; 25. a slide bar; 30. a hold-down mechanism; 31. a third telescopic part; 32. pressing a plate; 321. an arc-shaped groove; 40. a first conveyor belt; 41. a transition slope; 42. an elastic baffle plate; 50. a second conveyor belt; 51. and (4) a box body.
Detailed Description
Example 1:
as shown in fig. 1 to 5, a continuous cutting device for steel pipes comprises a casing, wherein a pushing mechanism 10, a cutting mechanism 20 and a pressing mechanism 30 are arranged in the casing, the cutting mechanism 20 is located at one side of the pushing mechanism 10, and the pressing mechanism 30 is arranged above a position between the pushing mechanism 10 and the cutting mechanism 20;
the pushing mechanism 10 comprises a bottom plate 11 and a first telescopic part 12, the top of the bottom plate 11 is connected with a push plate 13 in a sliding manner, and one side of the push plate 13 is connected with the piston end of the first telescopic part 12; a cutting mechanism 20 is arranged on one side of the bottom plate 11;
the cutting mechanism 20 comprises two second telescopic parts 21, a driving part 24 and a cutting part, the second telescopic parts 21 are respectively arranged at two ends of one side of the bottom plate 11, a sliding rod 25 is connected between the piston ends of two adjacent second telescopic parts 21, the cutting part is connected on the sliding rod 25 in a sliding manner, and the driving part 24 drives the cutting part to slide on the sliding rod 25;
the pressing mechanism 30 comprises a third telescopic part 31 arranged above the bottom plate 11, a pressing plate 32 is connected to the piston end at the bottom of the third telescopic part 31, and a plurality of arc-shaped grooves 321 are formed in the bottom of the pressing plate 32 corresponding to the steel pipes;
during operation, place the steel pipe that needs the cutting on bottom plate 11 earlier, the piston end of first pars contractilis 12 moves forward, it promotes the steel pipe to the suitable position after to drive push pedal 13, third pars contractilis 31 starts, it pushes down the steel pipe to drive clamp plate 32 downstream, the quantity of arc recess 321 equals to the maximum bearing capacity of bottom plate 11 to the steel pipe, an arc recess 321 corresponds a steel pipe promptly, restrict the motion of steel pipe through frictional force, at this moment, second pars contractilis 21 adjusts to suitable height, the cutting portion cuts the steel pipe, after the cutting finishes, the cutting portion is lifted up in the motion of second pars contractilis 21, after third pars contractilis 31 upward motion lifts up clamp plate 32, first pars contractilis 12 promotes push pedal 13 again and then promotes the steel pipe to suitable position after, repeat the above-mentioned step, continue the cutting, until the whole cutting finishes of steel pipe. According to the utility model, through arranging the material pushing mechanism 10, the cutting mechanism 20 and the pressing mechanism 30, the mechanical structure is used for replacing the work with high manpower repetition degree, so that the continuous and equivalent cutting of the steel pipes is realized, the problem that the position of the steel pipe needs to be manually adjusted when the steel pipe is cut at present is solved, and the complicated cutting process is avoided.
Example 2:
the present embodiment is optimized on the basis of embodiment 1, as shown in fig. 3 and fig. 6, the cutting portion includes a slider 22, a first motor 223, and a blade 23, the slider 22 is provided with a cavity 221, a rotating rod 222 is rotatably provided in the cavity 221, an end of the rotating rod 222 is connected to an output shaft of the first motor 223, the rotating rod 222 is sleeved with the blade 23, the blade 23 extends to an outer side of the bottom of the cavity 221, and the driving portion 24 drives the slider 22 to slide on the sliding rod 25;
the driving portion 24 includes a gear 241 disposed in the slider 22 and a second motor 242 located outside the slider 22, the slider 22 is slidably disposed on the sliding rod 25, the sliding rod 25 is provided with a sliding slot 243 corresponding to the gear 241, the gear 241 is embedded in the sliding slot 243, gear teeth 244 engaged with the gear 241 are disposed on two opposite side walls of the sliding slot 243, and an output shaft of the second motor 242 extends into the slider 22 and is connected with the gear 241.
The driving part 24 drives the slider 22 to move on the sliding rod 25, the first motor 223 drives the blade 23 to rotate at a high speed to cut the steel pipe, the second motor 242 rotates to drive the gear 241 to rotate, the gear 241 is meshed with the gear teeth 244 in the sliding groove 243, and the slider 22 moves left and right through forward rotation and reverse rotation of the second motor 242.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
the present embodiment is optimized based on embodiment 1, as shown in fig. 1, a first conveyor belt 40 is disposed at one end of the bottom plate 11, a transition slope 41 is disposed between the first conveyor belt 40 and the bottom plate 11, and an elastic baffle 42 is detachably connected to a top of the transition slope 41.
The first conveyor belt 40 can continuously provide steel pipes for the pushing mechanism 10, the transition slope 41 enables the steel pipes on the first conveyor belt 40 to be stably transited when being conveyed to the pushing mechanism 10, when the pushing mechanism 10, the cutting mechanism 20 and the pressing mechanism 30 work, the elastic baffle 42 abuts against the steel pipes conveyed from the first conveyor belt 40, redundant steel pipes are stored on the transition slope 41, after the pushing mechanism 10, the cutting mechanism 20 and the pressing mechanism 30 finish working, the elastic baffle 42 is taken down, and the steel pipes slide down to the bottom plate 11 of the pushing mechanism 10 due to the gradient of the transition slope 41.
Other parts of this embodiment are the same as those of embodiment 1, and thus are not described again.
Example 4:
the present embodiment is optimized based on embodiment 1, as shown in fig. 1, a second conveyor belt 50 is disposed at the bottom of the bottom plate 11, the second conveyor belt 50 passes through the bottom of the cutting portion, and a box 51 is disposed on the second conveyor belt 50.
The second conveyor 50 conveys the box 51, the box 51 carries the cut steel pipes, and when the number of steel pipes in the box 51 reaches a proper amount, the second conveyor 50 is transported away from the box 51 and transports the next box 51 to the bottom of the cutting mechanism 20.
Other parts of this embodiment are the same as those of embodiment 1, and thus are not described again.
Example 6:
as shown in fig. 1 to 6, a continuous cutting device for steel pipes comprises a casing, the casing has a top surface, a bottom surface and two side surfaces which are connected with the top surface and the bottom surface and are perpendicular to each other, that is, the casing has 4 surfaces, the other two surfaces of the casing are used for feeding and discharging materials respectively, a pushing mechanism 10, a cutting mechanism 20 and a pressing mechanism 30 are arranged in the casing, the pressing mechanism 30 is located at the top of the pushing mechanism 10, and the cutting mechanism 20 is located at one side of the pushing mechanism 10;
the pushing mechanism 10 comprises a bottom plate 11 and a first telescopic part 12, the first telescopic part 12 is driven by a cylinder, one end of the bottom plate 11 is connected with the inner wall of one side face, the top of the bottom plate 11 is connected with a push plate 13 in a sliding mode, one side of the push plate 13 is connected with the piston end of the first telescopic part 12, and the first telescopic part 12 is connected with the inner wall of the other side face;
cutting mechanism 20 includes two second pars contractilis 21 with the inner wall connection of bottom surface, and second pars contractilis 21 is the cylinder drive, two be connected with slide bar 25 between the piston end of second pars contractilis 21, sliding connection has the cutting part on slide bar 25, the cutting part includes slider 22, slider 22 is equipped with cavity 221, be equipped with dwang 222 in the cavity 221, the end connection of dwang 222 has the output shaft of first motor 223, the cover is equipped with blade 23 on dwang 222, blade 23 extends to the outside of cavity 221 bottom, and blade 23 is annular blade 23, is equipped with a plurality of sawtooth on its circumference lateral wall for the cutting, just still be equipped with its gliding drive division 24 on slide bar 25 of drive in the slider 22, drive division 24 is including locating gear 241 in the slider 22 and the second motor 242 that is located the slider 22 outside, slide bar 25 is equipped with and supplies the gliding spout 243 of gear 241, gear teeth 244 meshed with the gear 241 are arranged on two opposite side walls of the sliding groove 243, and an output shaft of the second motor 242 extends into the sliding block 22 and is connected with the gear 241;
the pressing mechanism 30 comprises a third telescopic part 31, the third telescopic part 31 is driven by an air cylinder, the third telescopic part 31 is connected with the inner wall of the top surface, the piston end of the third telescopic part 31 is connected with a pressing plate 32, the bottom of the pressing plate 32 is provided with 14 arc-shaped grooves 321, the 14 arc-shaped grooves 321 are adjacent to each other, two ends of each arc-shaped groove 321 penetrate through the pressing plate 32, the radian of each arc-shaped groove 321 is matched with that of a steel pipe, the number of the arc-shaped grooves 321 is equal to the maximum bearing capacity of the bottom plate 11, and namely, one arc-shaped groove 321 corresponds to one steel pipe;
a first conveyor belt 40 is further arranged at one end of the bottom plate 11, a transition slope 41 is further arranged between the first conveyor belt 40 and the bottom plate 11, one end of the transition slope 41 is flush with the bottom plate 11, the other end of the transition slope 41 is flush with the first conveyor belt 40, and an elastic baffle 42 is detachably connected to the top of the transition slope 41;
the bottom of bottom plate 11 is equipped with second conveyer belt 50, be equipped with box 51 on the second conveyer belt 50, second conveyer belt 50 is through the bottom of cutting portion, and second conveyer belt 50 is for spreading over the transportation line of mill, is convenient for transport the steel pipe that the cutting is good.
When in processing, the first conveyor belt 40 conveys the steel pipe to the bottom plate 11 of the pushing mechanism 10, after the bearing capacity of the bottom plate 11 reaches the maximum, the elastic baffle 42 blocks the redundant steel pipe, the first expansion part 12 is started to drive the push plate 13 to push the steel pipe forward to a proper position, the third expansion part 31 is started to drive the press plate 32 to press the steel pipe downwards, each arc-shaped groove 321 of the press plate 32 corresponds to one steel pipe, the cutting mechanism 20 is started, the second motor 242 rotates to drive the gear 241 to rotate so as to realize the sliding of the slide block 22 on the slide rod 25, the first motor 223 drives the blade 23 to rotate at a high speed so as to cut the steel pipe, the cut steel pipe falls into the box body 51 on the second conveyor belt 50 and is transported away, the pushing mechanism 10, the cutting mechanism 20 and the pressing mechanism 30 are reset, the second conveyor belt 50 conveys the next box body 51 to the bottom of the cutting mechanism 20, and the steps are repeated, until the cutting is completed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modifications and equivalent variations of the above embodiment according to the technical spirit of the present invention are within the scope of the present invention.
Claims (7)
1. A continuous cutting device for steel pipes comprises a machine shell and is characterized in that a material pushing mechanism (10), a cutting mechanism (20) and a pressing mechanism (30) are arranged in the machine shell, the cutting mechanism (20) is located on one side of the material pushing mechanism (10), and the pressing mechanism (30) is arranged above a position between the material pushing mechanism (10) and the cutting mechanism (20);
the pushing mechanism (10) comprises a bottom plate (11) and a first telescopic part (12), the top of the bottom plate (11) is connected with a push plate (13) in a sliding mode, and one side of the push plate (13) is connected with the piston end of the first telescopic part (12); a cutting mechanism (20) is arranged on one side of the bottom plate (11);
the cutting mechanism (20) comprises two second telescopic parts (21), a driving part (24) and a cutting part, the second telescopic parts (21) are respectively arranged at two ends of one side of the bottom plate (11), a sliding rod (25) is connected between piston ends of two adjacent second telescopic parts (21), the cutting part is connected onto the sliding rod (25) in a sliding mode, and the driving part (24) drives the cutting part to slide on the sliding rod (25);
the pressing mechanism (30) comprises a third telescopic portion (31) arranged above the bottom plate (11), a pressing plate (32) is connected to the piston end of the bottom of the third telescopic portion (31), and a plurality of arc-shaped grooves (321) are formed in the bottom of the pressing plate (32) corresponding to the steel pipes.
2. The continuous cutting device for the steel pipes according to claim 1, wherein the cutting portion comprises a sliding block (22), a first motor (223) and a blade (23), the sliding block (22) is provided with a cavity (221), a rotating rod (222) is arranged in the cavity (221) in a rotating mode, the end portion of the rotating rod (222) is connected with an output shaft of the first motor (223), the blade (23) is sleeved on the rotating rod (222), the blade (23) extends to the outer side of the bottom of the cavity (221), and the driving portion (24) drives the sliding block (22) to slide on a sliding rod (25).
3. The continuous cutting device for the steel pipes according to claim 2, wherein the driving portion (24) comprises a gear (241) arranged in the sliding block (22) and a second motor (242) located on the outer side of the sliding block (22), the sliding block (22) is slidably arranged on the sliding rod (25) in a penetrating mode, the sliding rod (25) is provided with a sliding groove (243) corresponding to the gear (241), the gear (241) is embedded in the sliding groove (243), gear teeth (244) meshed with the gear (241) are arranged on two opposite side walls of the sliding groove (243), and an output shaft of the second motor (242) extends into the sliding block (22) and is connected with the gear (241).
4. The continuous cutting device for the steel pipe according to claim 1, wherein one end of the bottom plate (11) is provided with a first conveyor belt (40), and a transition slope (41) is arranged between the first conveyor belt (40) and the bottom plate (11).
5. A steel pipe continuous cutting device according to claim 4, characterized in that the transition slope (41) is detachably connected with an elastic baffle (42) near the bottom plate (11).
6. The continuous cutting device for the steel pipes according to claim 1, wherein the bottom plate (11) is erected on the workbench, a second conveyor belt (50) penetrates through the lower portion of the bottom plate, one end of the second conveyor belt (50) sequentially extends out of the lower portion of the bottom plate (11) and the lower portion of the cutting portion, and a box body (51) for bearing the steel pipes is arranged on the second conveyor belt (50) corresponding to the cutting portion.
7. The continuous cutting device for the steel pipes as claimed in any one of claims 1 to 6, wherein a limit baffle is arranged at one end edge of the bottom plate (11) corresponding to the steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122743606.2U CN216607436U (en) | 2021-11-10 | 2021-11-10 | Steel pipe continuous cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122743606.2U CN216607436U (en) | 2021-11-10 | 2021-11-10 | Steel pipe continuous cutting device |
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| Publication Number | Publication Date |
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| CN216607436U true CN216607436U (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122743606.2U Active CN216607436U (en) | 2021-11-10 | 2021-11-10 | Steel pipe continuous cutting device |
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| CN (1) | CN216607436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117226284A (en) * | 2023-08-10 | 2023-12-15 | 中交一公局集团有限公司 | Factory building steel construction shearing equipment |
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2021
- 2021-11-10 CN CN202122743606.2U patent/CN216607436U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117226284A (en) * | 2023-08-10 | 2023-12-15 | 中交一公局集团有限公司 | Factory building steel construction shearing equipment |
| CN117226284B (en) * | 2023-08-10 | 2024-04-19 | 中交一公局集团有限公司 | Factory building steel construction shearing equipment |
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