CN114713952B - Longitudinal beam supporting device capable of automatically avoiding cutting flame - Google Patents
Longitudinal beam supporting device capable of automatically avoiding cutting flame Download PDFInfo
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- CN114713952B CN114713952B CN202210503761.3A CN202210503761A CN114713952B CN 114713952 B CN114713952 B CN 114713952B CN 202210503761 A CN202210503761 A CN 202210503761A CN 114713952 B CN114713952 B CN 114713952B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
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Abstract
The application discloses a longitudinal beam supporting device capable of automatically avoiding cutting flame, and relates to the field of longitudinal beam plasma cutting equipment; the longitudinal beam supporting device comprises a supporting base mechanism and a supporting pressing beam mechanism, and the supporting pressing beam mechanism is arranged on the supporting base mechanism; the supporting pressing beam mechanism can slide on the supporting base mechanism; the supporting beam pressing mechanism comprises a supporting mechanism and a beam pressing mechanism, and the supporting mechanism is connected with the supporting base mechanism; the support mechanism is provided with a beam pressing mechanism; the longitudinal beam supporting device adopts a structural design capable of synchronously moving with the plasma cutting unit, realizes automatic avoidance of cutting flame, does not need manual intervention and adjustment, well ensures cutting efficiency and cutting precision, greatly improves the flexibility level of a production line, greatly reduces the manual participation degree, and better improves the production efficiency and cutting quality.
Description
Technical Field
The application relates to the field of longitudinal beam plasma cutting equipment, in particular to a longitudinal beam supporting device capable of automatically avoiding cutting flame.
Background
The existing longitudinal beam robot plasma numerical control cutting equipment integrates a robot technology, a plasma cutting technology, a precision mechanical technology and a computer control technology, and has higher flexibility. Aiming at the frame longitudinal beams with different web surface lengths, widths and wing surface heights, the cutting robot can reproduce teaching tracks with high efficiency and high precision by calling different cutting programs on the premise of effectively positioning and grounding the longitudinal beams, and cutting operation is completed.
However, in the plasma cutting area of the robot, when cutting operations are performed on different parts of stringers of different specifications, manual intervention adjustment is required for vertical support and lateral support of the stringer support device in order to avoid flame damage to the cutting equipment. Meanwhile, some cutting waste can fall onto the supporting device, and manual cleaning is also required. For multi-variety and small-batch production, the adjustment and waste cleaning operation process is time-consuming and labor-consuming, so that unmanned longitudinal beam numerical control cutting production line cannot be realized, and the production efficiency and flexibility level are not high.
Content of the application
In order to solve the technical problems that the cutting flame damages the cutting equipment, avoids manual intervention in the production process, satisfies the production of multiple varieties and small batches and improves the cutting efficiency, the application provides a longitudinal beam supporting device which can automatically avoid the cutting flame and prevent waste from falling on the supporting device.
The technical problems of the application are realized by the following technical scheme:
the longitudinal beam supporting device capable of automatically avoiding cutting flame comprises a supporting base mechanism and a supporting pressing beam mechanism, wherein the supporting pressing beam mechanism is arranged on the supporting base mechanism; the supporting pressing beam mechanism can move on the supporting base mechanism; the supporting beam pressing mechanism comprises a supporting mechanism and a beam pressing mechanism, and the supporting mechanism is connected with the supporting base mechanism; and the supporting mechanism is provided with a beam pressing mechanism.
By using the technical scheme, the supporting device completely avoids the waste falling space.
Preferably, the support base mechanism comprises a support base and a support driving mechanism, wherein the support driving mechanism is installed on the support base and is connected with the support mechanism to drive the support pressing beam mechanism to linearly move left and right.
Preferably, the support driving mechanism comprises a driving belt wheel assembly, a belt wheel assembly and a synchronous toothed belt assembly; the driving belt pulley assembly is connected with the belt pulley assembly to drive the belt pulley assembly to rotate; the belt wheel assemblies are symmetrically arranged on two sides of the supporting base, and synchronous toothed belt assemblies are arranged on the belt wheel assemblies on two sides; and the synchronous toothed belt component is connected with a supporting mechanism.
Preferably, the supporting mechanism comprises a slide carriage assembly and a guide assembly; the guide assembly comprises a fixed guide assembly and a movable guide assembly; the slide carriage assembly is movably connected with the supporting base mechanism, and a fixed guide assembly and a movable guide assembly are arranged on the slide carriage assembly; the moving guide assembly can move linearly relative to the fixed guide assembly.
Preferably, the pressing beam mechanism comprises a pressing beam support arm, a pressing beam cylinder assembly and a pressing wheel assembly; the bottom of the pressure beam support arm is connected with the slide carriage assembly; and the pressing beam support arm is provided with a pressing beam air cylinder assembly and a pressing wheel assembly, and the pressing beam air cylinder assembly is pneumatically connected with the pressing wheel assembly so that the pressing wheel assembly can vertically move.
Preferably, the guide assembly is provided with a roller assembly, the roller assembly comprises a vertical support roller and a side support roller, and the vertical support roller is arranged at the upper part of the guide assembly; the side support rollers are mounted to the sides of the guide assembly.
Preferably, a limiting plate is arranged above the pinch roller assembly, and the pinch roller assembly is provided with a pinch roller; the pinch roller is in rolling connection with the limiting plate.
Preferably, baffles are further arranged on two sides of the fixed guide assembly.
Preferably, the two sides of the supporting pressing beam mechanism along the moving direction of the supporting base mechanism are also provided with grounding pressing beam mechanisms, each grounding pressing beam mechanism comprises a grounding supporting seat, and each grounding supporting seat is provided with a grounding pressing beam assembly and a servo feeding mechanism.
Preferably, the servo feeding mechanism comprises a servo driving motor and a driving roller wheel; the front side of ground connection pressure roof beam subassembly is provided with the drive roller wheel, the servo driving motor is connected to the drive roller wheel, servo feeding mechanism still includes the displacement cylinder in order to can drive servo feeding mechanism and remove.
In summary, the application has the following beneficial effects:
1. the longitudinal beam supporting device adopts a structural design capable of synchronously moving with the plasma cutting unit under the control action of the servo control system, so that automatic avoidance of cutting flame is realized, manual intervention adjustment is not needed, the cutting efficiency and the cutting precision are well ensured, meanwhile, the flexibility level of a production line can be greatly improved, the manual participation degree can be greatly reduced, and the production efficiency and the cutting quality are better improved; the longitudinal beam supporting device is simple in structural design, and the defects of complex structure and high equipment manufacturing cost of a traditional longitudinal beam supporting device are overcome.
2. The longitudinal beam supporting device avoids the falling space of the waste, and avoids the defect that the cutting waste with the traditional structure falls on the supporting device and needs manual cleaning.
3. The structural design of the fixed guide assembly and the movable guide assembly of the longitudinal beam supporting device has self-adaptability to the processed frame longitudinal beam, avoids the condition that the positions of all the rollers on the longitudinal beam supporting device are manually adjusted and interfered for many times due to the replacement of the longitudinal beam model, can better adapt to production tasks of various varieties and small batches, and better improves the production efficiency.
4. The grounding pressing beam mechanism is provided with the grounding pressing beam component which is similar to the structure of the supporting pressing beam mechanism, the inner ventral surface and the outer ventral surface of the frame longitudinal beam are reliably pressed by the grounding pressing beam component, the accurate and stable relative positions in the cutting initiation and the cutting process are ensured, and meanwhile, the plasma cutting production line is also provided with the waste collecting and transferring device for collecting and transferring cutting waste.
Drawings
FIG. 1 is a schematic diagram of a numerical control cutting production line structure of the present application;
FIG. 2 is a front view of the structure of the numerical control cutting production line of the present application;
FIG. 3 is a front view of the stringer support device of the present application;
FIG. 4 is a top view of the support drive mechanism and its attachment structure;
FIG. 5 is a left side view of the stringer support device of the present application;
FIG. 6 is a left side view of the support beam mechanism structure and its connection;
FIG. 7 is a schematic view of a portion of the structure in the B-B direction in FIG. 6;
FIG. 8 is a schematic view of a portion of the structure in the direction C-C in FIG. 6;
fig. 9 is an enlarged schematic view of the structure of fig. 1 at a.
1. A support base mechanism; 11. a support base; 12. a support driving mechanism; 121. a drive pulley assembly; 122. a pulley assembly; 123. a synchronous toothed belt assembly; 2. supporting a beam pressing mechanism; 21. a support mechanism; 211. a carriage assembly; 212. fixing the guide assembly; 213. a movement guide assembly; 214. a baffle; 22. a beam pressing mechanism; 221. a pressing beam support arm; 222. a beam pressing cylinder assembly; 223. a pinch roller assembly; 224. a limiting plate; 3. a roller assembly; 31. a vertical support roller; 32. side support rollers; 4. a grounding beam pressing mechanism, 41 and a grounding support seat; 42. a ground pressure beam assembly; 43. a servo feeding mechanism; 431. a servo drive motor; 432. a drive roller wheel; 433. a displacement cylinder; 5. a plasma cutting unit; 6. a waste collection and transfer device; 61. a waste collection tank; 62. a transfer guide rail; 7. and a plasma cutting room.
Detailed Description
In order that the above objects, features and advantages of the application will be more clearly understood, a further description of the application will be rendered by reference to the appended drawings and examples.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and therefore the present application is not limited to the specific embodiments of the disclosure that follow.
The longitudinal beam supporting device capable of automatically avoiding cutting flame comprises a supporting base mechanism 1 and a supporting press beam mechanism 2, wherein the supporting base mechanism 1 is provided with the supporting press beam mechanism 2; the supporting pressing beam mechanism 2 can slide on the supporting base mechanism 1; the supporting and pressing beam mechanism 2 comprises a supporting mechanism 21 and a pressing beam mechanism 22, and the supporting mechanism 21 is connected with the supporting base mechanism 1; the support mechanism 21 is provided with a beam pressing mechanism 22.
As shown in fig. 4 and 5, the support base mechanism 1 includes a support base 11 and a support driving mechanism 12, the support base 11 is a door-shaped structure, the support driving mechanism 12 is mounted on the support base 11, and the support driving mechanism 12 and the support mechanism 21 are in a sliding connection state. Specifically, the support drive mechanism 12 includes a drive pulley assembly 121, a pulley assembly 122, and a timing belt assembly 123; a driving motor is arranged on the driving belt pulley assembly 121, the driving end of the driving motor is connected with the belt pulley assembly 122, the belt pulley assembly 122 comprises a driving belt pulley and a driven belt pulley which are respectively arranged on two sides of the supporting base 11, and a synchronous toothed belt assembly 123 is arranged on the driving belt pulley and the driven belt pulley; the driving belt wheel is connected with a driving motor, and the belt wheel assembly 122 and the synchronous belt assembly 123 are driven to rotate by the motor of the driving belt wheel assembly 121 under the control action of the servo control system, so that the purpose that the whole supporting mechanism 21 can move on the supporting base 11 is achieved.
Wherein, as shown in fig. 6, the supporting mechanism 21 comprises a slide carriage assembly 211 and a guiding assembly; the guide assembly includes a fixed guide assembly 212 and a movable guide assembly 213; the slide carriage assembly 211 is connected with the support base mechanism 1 in a sliding manner, and a fixed guide assembly 212 and a movable guide assembly 213 are arranged on the slide carriage assembly 211; the fixed guide assembly 212 is fixedly arranged on the slide carriage assembly 211, and meanwhile, a guide rail for sliding by the movable guide assembly 213 is also arranged on the slide carriage assembly 211, and the distance between the movable guide assembly 213 and the fixed guide assembly 212 can be correspondingly adjusted under the action of the thrust cylinder so as to meet the model requirements of different frame longitudinal beams;
as shown in fig. 8, the fixed guide assembly 212 and the movable guide assembly 213 are respectively provided with a roller assembly 3, the roller assembly 3 includes a vertical supporting roller 31 and a lateral supporting roller 32, the vertical supporting roller 31 is mounted at the upper portion of the guide assembly, that is, the rolling contact surface of the vertical supporting roller 31 contacts and is used for supporting the inner web surface of the frame longitudinal beam, the lateral supporting roller 32 is mounted at the side portion of the guide assembly, that is, the rolling contact surface of the lateral supporting roller 32 is used for compacting and contacting the inner wing surfaces of two sides of the frame longitudinal beam, and the supporting mechanism 2 can stably support and guide the lower side and the lateral side of the frame longitudinal beam through the roller assembly 3 when relatively reciprocates under the control of the system. Meanwhile, in order to avoid damage to the inner surface of the frame rail caused by cutting flame and cutting blanking in the working process, a baffle 214 is respectively arranged at two ends of the fixed guide assembly 212 along the rail direction.
Wherein, as shown in FIG. 7, the press beam mechanism 22 comprises a press beam support arm 221, a press beam cylinder assembly 222 and a press wheel assembly 223; the press beam support arm 221 is similar to a C-shaped structure; the bottom of the pressure beam support arm 221 is fixedly connected with the slide carriage assembly 211; a pressing beam cylinder assembly 222 is arranged on the upper part of the pressing beam support arm 221, and the extending end of the pressing beam cylinder assembly 222 is pneumatically connected with a pressing wheel assembly 223 so that the pressing wheel assembly 223 can vertically move, thereby realizing the compression on the upper surface of the frame longitudinal beam; the pinch roller assembly 223 is provided with a pinch roller, a limiting plate 224 is arranged above the pinch roller, and the plate surface of the limiting plate 224 is in rolling connection with the pinch roller, so that when the pinch roller assembly 223 is driven by the material pressing cylinder assembly 222 to press down, the vertical pinch roller of the pinch roller assembly 223 is ensured to smoothly rotate along the length direction of the frame longitudinal beam.
As shown in fig. 9, the two sides of the supporting beam pressing mechanism 2 along the moving direction of the supporting base mechanism 1 are further provided with a grounding beam pressing mechanism 4, the grounding beam pressing mechanism 4 comprises a grounding supporting seat 41, the grounding beam pressing mechanism 4 is fixedly arranged on a horizontal foundation, the grounding beam pressing mechanism 41 is provided with a grounding beam pressing component 42 and a servo feeding mechanism 43, a frame longitudinal beam is erected on the grounding beam pressing component 42 and the beam pressing mechanism 22, the grounding beam pressing component 42 is similar to the structure of the supporting beam pressing mechanism 2 and comprises a guide component and a vertical pressing component, under the action of a beam pressing cylinder and a thrust cylinder, a reliable pressing effect is realized on the inner web surface, the inner wing surface and the vertical direction of the frame longitudinal beam, and the plasma cutting unit 5 has correct and stable relative positions relative to the frame longitudinal beam to be cut in the cutting initial and cutting process, so that the cutting procedure has the precondition of cutting operation; meanwhile, a servo feeding mechanism 43 is further arranged on the outer side of the grounding pressure beam assembly 42, the servo feeding mechanism 43 can slide on an installation table, the servo feeding mechanism 43 comprises a servo driving motor 431, a driving roller wheel 432 and a displacement cylinder 433, the servo driving motor 431 is connected with the driving roller wheel 432, and under the action of the displacement cylinder 433, the driving roller wheel 432 can be enabled to be in contact with the outer wing surface of the frame longitudinal beam, so that the movement of the frame longitudinal beam is pushed, and the feeding function is achieved.
The embodiment of the application also provides a numerical control cutting production line comprising the longitudinal beam supporting device capable of automatically avoiding cutting flame, which comprises a supporting base mechanism 1 and a supporting pressing beam mechanism 2, wherein the supporting pressing beam mechanism 2 is arranged on the supporting base mechanism 1 in a sliding manner, a plasma cutting unit 5 is arranged at the rear side of the supporting base mechanism 1, and the plasma cutting unit 5 is used for cutting the longitudinal beams of the frame supported on the supporting pressing beam mechanism 2 and the grounding pressing beam mechanism 4; the lower part of supporting base mechanism 1 is provided with garbage collection transfer device 6, and garbage collection transfer device 6 includes garbage collection groove 601 and transport guide rail 602, garbage collection groove 601 can be on transport guide rail 602 sliding motion to accept and transport the waste material, guarantee operational environment, support base mechanism 1, support pressure roof beam mechanism 2, plasma cutting unit 5 and garbage collection transfer groove 6 all set up in plasma cutting room 7, are provided with ground connection pressure roof beam mechanism 4 respectively at the business turn over material end in plasma cutting room 7, ground connection pressure roof beam mechanism 4 is on same horizontal line along supporting base mechanism 1 direction of movement with supporting pressure roof beam mechanism 2, in order to realize the support of frame longeron.
The working principle of the application is as follows: through the arrangement, aiming at the frame longitudinal beams with different specifications, the grounding pressing beam mechanism 4 realizes reliable compaction of the frame longitudinal beams, the supporting base mechanism 1 and the supporting pressing beam mechanism 2 are matched with the plasma cutting unit 5 to reciprocate along the length direction of the frame longitudinal beams, the guide assembly and the roller assembly 3 are automatically adapted to the specification change of the width of the longitudinal beams under the control of a system, and are matched with the servo feeding mechanism 43; the cutting position, the shape and the size of the frame longitudinal beam can be automatically adapted to provide stable support constraint for the upper, lower, left and right of the frame longitudinal beam, and the frame longitudinal beam and the plasma cutting unit 5 are ensured to have the correct relative position all the time, so that the correct cutting shape and stable cutting quality can be ensured.
The present application is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification and equivalent changes to the above-mentioned embodiments according to the technical substance of the present application are still within the protection scope of the technical solution of the present application.
Claims (8)
1. A longeron strutting arrangement of automatic dodge cutting flame which characterized in that: the device comprises a supporting base mechanism (1) and a supporting pressing beam mechanism (2), wherein the supporting pressing beam mechanism (2) is arranged on the supporting base mechanism (1); the supporting pressing beam mechanism (2) can move linearly on the supporting base mechanism (1); the supporting beam pressing mechanism (2) comprises a supporting mechanism (21) and a beam pressing mechanism (22), and the supporting mechanism (21) is connected with the supporting base mechanism (1); the support mechanism (21) is provided with a beam pressing mechanism (22);
the supporting mechanism (21) comprises a slide carriage assembly (211) and a guide assembly; the guide assembly comprises a fixed guide assembly (212) and a movable guide assembly (213); the slide carriage assembly (211) is connected with the supporting base mechanism (1) through a guide assembly, and a fixed guide assembly (212) and a movable guide assembly (213) are arranged on the slide carriage assembly (211); the movable guide assembly (213) can move linearly relative to the fixed guide assembly (212);
the press beam mechanism (22) comprises a press beam support arm (221), a press beam cylinder assembly (222) and a press wheel assembly (223); the bottom of the pressure beam support arm (221) is connected with the slide carriage assembly (211); and the pressure beam support arm (221) is provided with a pressure beam air cylinder assembly (222) and a pressure wheel assembly (223), and the pressure beam air cylinder assembly (222) is pneumatically connected with the pressure wheel assembly (223) so that the pressure wheel assembly (223) can move vertically.
2. A stringer support device for automatically avoiding cutting flames according to claim 1, wherein: the support base mechanism (1) comprises a support base (11) and a support driving mechanism (12), wherein the support driving mechanism (12) is arranged on the support base (11), and the support driving mechanism (12) is connected with the support mechanism (21) to drive the support beam pressing mechanism (2) to move linearly left and right.
3. A stringer support device for automatically avoiding cutting flames according to claim 2, wherein: the support driving mechanism (12) comprises a driving belt wheel assembly (121), a belt wheel assembly (122) and a synchronous toothed belt assembly (123); the driving pulley assembly (121) is connected with the pulley assembly (122) to drive the pulley assembly (121) to rotate; the belt wheel assemblies (122) are arranged on two sides of the supporting base (11), and synchronous belt assemblies (123) are arranged on the belt wheel assemblies (122) on two sides; the synchronous toothed belt component (123) is connected with a supporting mechanism (21).
4. A stringer support device for automatically avoiding cutting flames according to claim 1, wherein: the guide assembly is provided with a roller assembly (3), the roller assembly (3) comprises a vertical supporting roller (31) and a lateral supporting roller (32), and the vertical supporting roller (31) is arranged on the upper part of the guide assembly; the side support rollers (32) are mounted to the sides of the guide assembly.
5. A stringer support device for automatically avoiding cutting flames according to claim 1, wherein: a limiting plate (224) is arranged above the pinch roller assembly (223), and a pinch roller is arranged on the pinch roller assembly (223); the pinch roller is in rolling connection with the limiting plate (224).
6. A stringer support device for automatically avoiding cutting flames according to claim 1, wherein: and baffle plates (214) are also arranged on two sides of the fixed guide assembly (212).
7. A stringer support device for automatically avoiding cutting flames according to claim 1, wherein: the support beam pressing mechanism (2) is further provided with a grounding beam pressing mechanism (4) along the two sides of the moving direction of the support base mechanism (1), the grounding beam pressing mechanism (4) comprises a grounding support seat (41), and the grounding beam pressing assembly (42) and the servo feeding mechanism (43) are arranged on the grounding support seat (41).
8. The automatic cut flame avoidance stringer support device of claim 7, wherein: the servo feeding mechanism (43) comprises a servo driving motor (431) and a driving roller wheel (432); the front side of ground connection pressure roof beam subassembly (42) is provided with drive roller wheel (432), drive roller wheel (432) connect servo driving motor (431), servo feeding mechanism (43) still include displacement cylinder (433) in order to can drive servo feeding mechanism (43) removal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210503761.3A CN114713952B (en) | 2022-05-10 | 2022-05-10 | Longitudinal beam supporting device capable of automatically avoiding cutting flame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210503761.3A CN114713952B (en) | 2022-05-10 | 2022-05-10 | Longitudinal beam supporting device capable of automatically avoiding cutting flame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114713952A CN114713952A (en) | 2022-07-08 |
| CN114713952B true CN114713952B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210503761.3A Active CN114713952B (en) | 2022-05-10 | 2022-05-10 | Longitudinal beam supporting device capable of automatically avoiding cutting flame |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201168846Y (en) * | 2007-09-17 | 2008-12-24 | 戴文跃 | Moving compressing apparatus for flame cutting |
| CN101985188A (en) * | 2010-11-18 | 2011-03-16 | 成都焊研威达科技股份有限公司 | Vehicle longitudinal beam cutting production line |
| EP2548692A1 (en) * | 2011-07-22 | 2013-01-23 | TRUMPF Werkzeugmaschinen GmbH + Co. KG | Unloading device for a processing device for processing tubes with a catching lance and two lance supporting devices |
| CN203696219U (en) * | 2014-01-21 | 2014-07-09 | 中国重汽集团济南动力有限公司 | Longitudinal member cutting production line |
| CN207087121U (en) * | 2017-09-05 | 2018-03-13 | 成都华远焊割设备有限公司 | A kind of plasma vertical bar cutting machine |
| CN216325888U (en) * | 2021-11-10 | 2022-04-19 | 国机铸锻机械有限公司 | U-shaped longitudinal beam cutting machine |
-
2022
- 2022-05-10 CN CN202210503761.3A patent/CN114713952B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201168846Y (en) * | 2007-09-17 | 2008-12-24 | 戴文跃 | Moving compressing apparatus for flame cutting |
| CN101985188A (en) * | 2010-11-18 | 2011-03-16 | 成都焊研威达科技股份有限公司 | Vehicle longitudinal beam cutting production line |
| EP2548692A1 (en) * | 2011-07-22 | 2013-01-23 | TRUMPF Werkzeugmaschinen GmbH + Co. KG | Unloading device for a processing device for processing tubes with a catching lance and two lance supporting devices |
| CN203696219U (en) * | 2014-01-21 | 2014-07-09 | 中国重汽集团济南动力有限公司 | Longitudinal member cutting production line |
| CN207087121U (en) * | 2017-09-05 | 2018-03-13 | 成都华远焊割设备有限公司 | A kind of plasma vertical bar cutting machine |
| CN216325888U (en) * | 2021-11-10 | 2022-04-19 | 国机铸锻机械有限公司 | U-shaped longitudinal beam cutting machine |
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| CN114713952A (en) | 2022-07-08 |
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