Fastening tool of laser cutting machine for steel structure valve hall construction

Abstract

The invention provides a fastening tool of a laser cutting machine for steel structure valve hall construction, and relates to the field of steel structure machining. Comprising a support used for installing the laser cutting machine, a plurality of fixing mechanisms arranged in parallel at equal intervals are arranged in the middle of the support, each fixing mechanism comprises a base, sliding seats are symmetrically and slidably connected to the upper portions of the bases, vertical telescopic components are fixedly installed on the sliding seats, and transverse guide rails are fixedly installed at the free ends of the vertical telescopic components; and a sliding table which is in sliding connection along the transverse guide rail is fixedly mounted above the transverse guide rail. According to the fastening tool of the laser cutting machine for steel structure valve hall construction, by arranging the two fixing mechanisms which can be close to each other, the middle portions of the fixing mechanisms can be stretched out and drawn back, and the top ends of the fixing mechanisms can rotate, the position of a touch head used for clamping is changed through rotation and stretching out and drawing back, and therefore profiles of different shapes and different sizes can be clamped and fixed; and therefore, the laser cutting machine can conveniently machine the profile.

Description

Technical Field

[0001] The invention relates to the field of steel structure processing, in particular to a fastening tooling of a laser cutting machine for steel structure valve hall construction. Background Art

[0002] The valve hall is mainly used to arrange the converter valves and related equipment, and is the core of the converter station building. In order to shield external electromagnetic interference and external radio interference caused by valve commutation, the valve hall generally adopts a full metal shielding structure. In order to ensure stable construction and quality, the valve hall is generally built with a steel structure.

[0003] In the process of building a steel structure valve hall, it is necessary to open holes and cut on the surface of profiles of different shapes and specifications. Laser cutting is fast and does not require frequent tool changes and adjustments like traditional mechanical cutting, which greatly improves production efficiency and can effectively shorten the construction period. The cut surface is smooth, without defects such as burrs and slag, and the heat-affected zone is small, which can reduce subsequent processing procedures and improve product quality.

[0004] The existing patent (CN207682014U) is an angle steel cutting device, including a bracket, a clamp, a first servo motor, a pillar, a cutter, a motor, a cutter bracket, a control panel, a clamp, a second servo motor, a splint, a shock-absorbing pad, a guide plate, a baffle and a waste slag storage box, wherein a first conveyor belt is installed on the top of the bracket, a baffle is installed on one side of the first conveyor belt, a waste slag storage box is installed on the other side of the baffle, a shock-absorbing pad is installed on the bottom of the bracket, a control panel is installed on one side of the first conveyor belt, a cutter bracket is installed on the other side of the first conveyor belt, a clamp is installed on one side of the splint, a guide plate is installed on the other side of the clamp, a first servo motor is installed on the top of the cutter bracket, a pillar is installed on one side of the first servo motor, a motor is installed on one side of the pillar, and a cutter is installed on the top of the pillar. The cutting device has the advantages of waste slag storage, manpower saving and counting. In the process of steel structure lap joint, there are not only angle steels, but also channel steels, I-beams and other types of steels. Moreover, the same-shaped steels in different positions have different sizes. Therefore, a cutting and fixing device that can adapt to different shapes and sizes is needed. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a fastening tool for a laser cutting machine for steel structure valve hall construction, which solves the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a fastening tool for a laser cutting machine for steel structure valve hall construction, comprising a bracket for installing the laser cutting machine, a plurality of equidistant and parallel fixing mechanisms are arranged in the middle of the bracket, the fixing mechanism comprises a base, a sliding seat is symmetrically slidably connected to the top of the base, a vertical telescopic member is fixedly installed above the sliding seat, a transverse guide rail is fixedly installed at the free end of the vertical telescopic member, a sliding table slidably connected along the transverse guide rail is fixedly installed above the transverse guide rail, an extension rod that is hinged and actively rotates above the sliding table, a transverse telescopic member extending to both ends is fixedly installed on the end of the extension rod away from the sliding table, and a touch head is fixedly installed at the free end of the transverse telescopic member.

[0007] Preferably, the bracket includes a sliding pair for supporting the sliding of the laser cutting machine, a limiting groove is provided at the bottom end of the base, a limiting beam slidably connected to the inside of the limiting groove is fixedly installed on the inner bottom wall of the bracket, a group of spring positioning heads are inlaid on the inner bottom wall of the bracket, a card slot adapted to the spring positioning head is provided at the bottom end of the base, two adjacent bases are connected by a plug-in rod, and the plug-in rod is plugged into the inside of the slide groove for sliding connection of the sliding seat, and the inner bottom wall of the bracket is provided with a power mechanism for driving all the bases to slide as a whole, and the power mechanism includes a fixed plate, the fixed plate is fixedly installed on one end of the inner bottom wall of the bracket, and a telescopic sleeve is fixedly installed on the end of the fixed plate close to the base, and the telescopic sleeve is fixedly connected to the base by a card frame.

[0008] Preferably, the end surface of the extension rod is inlaid with a ball, the end surface of the touch head is provided with a bearing hole, the interior of the bearing hole is slidably connected with a spring sleeve, and the ball is inlaid at the free end of the spring sleeve.

[0009] Preferably, a moving mechanism is arranged between the base and the sliding seat, and the moving mechanism is arranged between the transverse guide rail and the sliding platform at the same time, the base and the transverse guide rail are collectively referred to as a fixed part, and the sliding seat and the sliding platform are collectively referred to as a sliding part;

[0010] Preferably, the moving mechanism includes a tooth groove opened on the fixed part, the bottom end of the sliding part is rotatably connected to a gear that meshes and rotates with the tooth groove, friction plates that can rub against the side walls of the tooth groove through extension and contraction are arranged on both sides of the bottom end of the sliding part, and a motor that drives the gear to rotate is fixedly installed on the side wall of the sliding part.

[0011] Preferably, a motor is fixedly mounted on the end surface of the fixed portion, a lead shaft is fixedly mounted on the output end of the motor, the lead shaft is threadedly connected to the sliding portion, and the lead shaft is rotatably connected to the fixed portion.

[0012] Preferably, a rotating groove is provided at the top of the sliding table, a motor for driving the extension rod to rotate is fixedly installed on the side wall of the sliding table, a rotating shaft is fixedly installed at the output end of the motor, the rotating shaft is fixedly connected to the extension rod, a receiving hole is provided at the rotating end of the extension rod, an electromagnetically controlled plug rod for up and down movement is slidably connected inside the receiving hole, and a plug hole adapted to the plug rod is provided on the inner bottom wall of the rotating groove.

[0013] Preferably, the transverse telescopic member comprises two telescopic parts whose free ends are far away from each other, the two telescopic parts are symmetrically arranged, the length of the touch head is equal to the sum of the lengths of the two telescopic parts, and the width of the touch head is the same as the width of the telescopic part.

[0014] Preferably, the vertical telescopic member wraps a vertical active lifting rod, the fixed end of the lifting rod is fixedly installed above the sliding seat, the free end of the lifting rod is fixedly installed below the transverse guide rail, and limiting sliding rods are fixedly installed at both ends of the lifting rod, and the two ends of the limiting sliding rod are respectively fixedly connected to the sliding seat and the transverse guide rail.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The fastening tooling of the laser cutting machine for the construction of the steel structure valve hall is equipped with two sets of fixing mechanisms that can be close to each other, the middle part can be telescopic, and the top end can be rotated. The position of the touch head used for clamping is changed by rotation and telescopic, so that profiles of different shapes and sizes can be clamped and fixed, which makes it easier for the laser cutting machine to process the profiles.

[0017] 2. The fastening tooling of the laser cutting machine used in the construction of the steel structure valve hall has a ball inlaid on the end face of the extension rod, a load-bearing hole is opened on the end face of the touch head, and a spring sleeve is slidably connected inside the load-bearing hole. The ball is inlaid in the free end of the spring sleeve. This arrangement can utilize the ball to support the sliding workpiece, which can facilitate the sliding of the workpiece. When the workpiece contacts the touch head, the ball can be squeezed into the inside of the load-bearing hole.

[0018] 3. The fastening tooling of the laser cutting machine used in the construction of the steel structure valve hall has a rotating groove on the top of the sliding table, and a motor for driving the extension rod to rotate is fixedly installed on the side wall of the sliding table. A rotating shaft is fixedly installed on the output end of the motor, and the rotating shaft is fixedly connected to the extension rod. A receiving hole is provided at the rotating end of the extension rod, and a plug rod for electromagnetically controlling the up and down movement is slidably connected inside the receiving hole. The plug rod is an electromagnetic sleeve and a magnetic ring are arranged on the top of the sleeve, and the electromagnetic sleeve is energized to push the magnetic ring to move to achieve rising or falling, and a plug hole adapted to the plug rod is provided on the inner bottom wall of the rotating groove. When the extension rod rotates to be parallel to the sliding table, the plug rod is inserted into the receiving hole under electromagnetic control. At this time, the extension rod will not rotate relative to the sliding table and maintain its posture.

[0019] 4. The fastening tooling of the laser cutting machine for the construction of the steel structure valve hall, the bracket includes a sliding pair for supporting the sliding of the laser cutting machine, a limiting groove is provided at the bottom end of the base, a limiting beam slidably connected to the inside of the limiting groove is fixedly installed on the inner bottom wall of the bracket, a group of spring positioning heads are inlaid on the inner bottom wall of the bracket, and a card slot adapted to the spring positioning head is provided at the bottom end of the base. Through such an arrangement, the base can be fixed at a specified position of the bracket, two adjacent bases are plugged in by a plug-in rod, and the plug-in rod is plugged in the inside of the slide groove for sliding connection of the sliding seat, and the inner bottom wall of the bracket is provided with a power mechanism for driving all the bases to slide as a whole, and the power mechanism includes a fixed plate, and the fixed plate is fixedly installed on one end of the inner bottom wall of the bracket, and a telescopic sleeve is fixedly installed on one end of the fixed plate close to the base, and the telescopic sleeve is fixedly connected to the base through a card frame, and the card frame is divided into a horizontal end and a plug-in end slidably connected to both sides of the horizontal end, and the plug-in end is plugged in the inside of the slide groove. Through such an arrangement, the laser cutting mechanism can slide, and the workpiece can also slide as a whole, thereby reducing the space required for movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 This is a schematic diagram of fixing the channel steel of the present invention;

[0022] Figure 3 This is a schematic diagram of fixing the angle steel of the present invention;

[0023] Figure 4 This is a schematic diagram of fixing the I-beam of the present invention;

[0024] Figure 5 It is a schematic diagram of the fixing mechanism of the present invention;

[0025] Figure 6 This is a schematic diagram of the base connection of the present invention;

[0026] Figure 7 It is a partial schematic diagram of the stent of the present invention;

[0027] Figure 8 It is a schematic diagram of the connection of the vertical telescopic member of the present invention;

[0028] Fig. 9 This is a schematic diagram of the connection of the sliding table of the present invention;

[0029] Fig.10 It is a schematic diagram of a transverse telescopic member of the present invention.

[0030] In the figure: 1, bracket; 2, fixing mechanism; 3, power mechanism; 4, moving mechanism; 5, rotating groove; 201, base; 202, sliding seat; 203, vertical telescopic member; 204, transverse guide rail; 205, sliding table; 206, extension rod; 207, transverse telescopic member; 208, touch head; 209, limit groove; 210, limit beam; 211, spring positioning head; 212, card slot; 213, plug rod; 3 01, fixed plate; 302, telescopic sleeve; 303, bracket; 214, ball bearing; 215, bearing hole; 216, spring sleeve; 401, tooth groove; 402, gear; 403, friction plate; 404, motor; 405, motor; 406, lead shaft; 501, electric motor; 502, rotating shaft; 503, receiving hole; 504, plug rod; 505, plug-in hole; 601, lifting rod; 602, limit sliding rod. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the described embodiments are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application. Figure 1-10 As shown, a fastening tool for a laser cutting machine used in steel structure valve hall construction includes a bracket 1 for installing the laser cutting machine. The laser cutting machine is divided into two types: one is capable of relative movement with the bracket 1, the position of the workpiece remains unchanged, and the cutting position is adjusted; the other is that the laser cutting machine is fixed to the bracket 1, and the cutting position is adjusted by moving the workpiece.

[0032] A plurality of fixing mechanisms 2 are arranged in parallel and equidistantly in the middle of the bracket 1. The fixing mechanism 2 includes a base 201. A sliding seat 202 is symmetrically slidably connected to the top of the base 201. The two fixing mechanisms 2 can be moved closer to or farther away from each other through the sliding seat 202. A vertical telescopic member 203 is fixedly installed above the sliding seat 202. The vertical telescopic member 203 can adjust the height of the workpiece by vertical movement so that the workpiece can be located within the cutting range of the laser cutting mechanism. A transverse guide rail 204 is fixedly installed at the free end of the vertical telescopic member 203. Since the two fixing mechanisms 2 are in relative When approaching each other, they need to be misaligned, so a transverse guide rail 204 is set for transverse misalignment, and a sliding table 205 slidingly connected along the transverse guide rail 204 is fixedly installed above the transverse guide rail 204, and an extension rod 206 that actively rotates is hinged above the sliding table 205, and a transverse telescopic member 207 extending to both ends is fixedly installed at one end of the extension rod 206 away from the sliding table 205, and a touch head 208 is fixedly installed at the free end of the transverse telescopic member 207. Through the extension and contraction of the transverse telescopic member 207, the touch head 208 is used to contact the clamped workpiece to achieve fixation of the workpiece.

[0033] The bracket 1 includes a sliding pair for supporting the sliding of the laser cutting machine. A limiting groove 209 is provided at the bottom end of the base 201. A limiting beam 210 slidably connected to the inside of the limiting groove 209 is fixedly installed on the inner bottom wall of the bracket 1. A group of spring positioning heads 211 are inlaid on the inner bottom wall of the bracket 1. A card slot 212 adapted to the spring positioning head 211 is provided at the bottom end of the base 201. Through such an arrangement, the base 201 can be fixed at a specified position of the bracket 1. Two adjacent bases 201 are connected by a plug-in rod 213. The plug-in rod 213 is plugged into the inside of the slide groove for sliding connection with the sliding seat 202. The inner bottom wall of the bracket 1 The bottom wall is provided with a power mechanism 3 for driving all the bases 201 to slide as a whole. The power mechanism 3 includes a fixed plate 301. The fixed plate 301 is fixedly installed on one end of the inner bottom wall of the bracket 1. A telescopic sleeve 302 is fixedly installed on the end of the fixed plate 301 close to the base 201. The telescopic sleeve 302 and the base 201 are fixedly connected by a bracket 303. The bracket 303 is divided into a horizontal end and a plug-in end slidably connected to both sides of the horizontal end. The plug-in end is plugged into the inside of the slide groove. Through such an arrangement, the laser cutting mechanism can slide, and the workpiece can also slide as a whole, thereby reducing the space required for movement.

[0034] The end face of the extension rod 206 is inlaid with a ball 214. This arrangement can utilize the ball 214 to support the sliding workpiece, which can facilitate the sliding of the workpiece. The end face of the touch head 208 is provided with a bearing hole 215, and the inside of the bearing hole 215 is slidably connected with a spring sleeve 216. The ball 214 is inlaid at the free end of the spring sleeve 216. When the workpiece contacts the touch head 208, the ball 214 can be squeezed into the inside of the bearing hole 215.

[0035] A moving mechanism 4 is arranged between the base 201 and the sliding seat 202. The moving mechanism 4 is also arranged between the transverse guide rail 204 and the sliding platform 205. The base 201 and the transverse guide rail 204 are collectively referred to as a fixed part, and the sliding seat 202 and the sliding platform 205 are collectively referred to as a sliding part.

[0036] The moving mechanism 4 includes a tooth groove 401 provided on the fixed part, a gear 402 meshing and rotating with the tooth groove 401 is rotatably connected to the bottom end of the sliding part, and friction plates 403 are arranged on both sides of the bottom end of the sliding part, which can rub against the side wall of the tooth groove 401 by extension and contraction. The friction plates 403 can be hydraulically controlled or electrically controlled, and positioning is achieved by controlling the extension and friction with the side wall of the tooth groove 401. A motor 404 driving the gear 402 to rotate is fixedly installed on the side wall of the sliding part. This technical solution can drive the moving part to move relative to the sliding part through the cooperation of the gear 402 and the tooth groove 401, and at the same time, the friction plates 403 can play a role in positioning.

[0037] A motor 405 is fixedly installed on the end face of the fixed part, a lead shaft 406 is fixedly installed on the output end of the motor 405, the lead shaft 406 is threadedly connected to the sliding part, and the lead shaft 406 is rotatably connected to the fixed part. This technical solution has high positioning accuracy and does not require a friction plate 403 to fix the adjusted position.

[0038] A rotating groove 5 is provided at the top of the sliding table 205, and a motor 501 for driving the extension rod 206 to rotate is fixedly installed on the side wall of the sliding table 205. A rotating shaft 502 is fixedly installed at the output end of the motor 501, and the rotating shaft 502 is fixedly connected to the extension rod 206. A receiving hole 503 is provided at the rotating end of the extension rod 206, and a plug rod 504 for electromagnetically controlled up and down movement is slidably connected inside the receiving hole 503. The plug rod 213 is an electromagnetic sleeve and a magnetic ring set at the top of the sleeve. The electromagnetic sleeve is energized to push the magnetic ring to move to achieve ascent or descent. A plug hole 505 adapted to the plug rod 213 is provided on the inner bottom wall of the rotating groove 5. When the extension rod 206 rotates to be parallel to the sliding table 205, the plug rod 213 is inserted into the receiving hole 503 under electromagnetic control. At this time, the extension rod 206 will not rotate relative to the sliding table 205 and maintain its posture.

[0039] The transverse telescopic member 207 includes two telescopic parts whose free ends are far away from each other. The two telescopic parts are symmetrically arranged. The length of the touch head 208 is equal to the sum of the lengths of the two telescopic parts. The width of the touch head 208 is the same as the width of the telescopic parts. Through such an arrangement, it can be ensured that the two touch heads 208 can move toward each other, and the movement distance can be controlled separately, so as to adapt to profiles of different shapes.

[0040] The vertical telescopic member 203 wraps the vertical active lifting rod 601, the fixed end of the lifting rod 601 is fixedly installed above the sliding seat 202, the free end of the lifting rod 601 is fixedly installed below the transverse guide rail 204, and the limiting sliding rods 602 are fixedly installed at both ends of the lifting rod 601. The two ends of the limiting sliding rod 602 are respectively fixedly connected to the sliding seat 202 and the transverse guide rail 204. Through such an arrangement, it can be ensured that the lifting rod 601 will not rotate during the up and down movement.

[0041] When in use, the sliding seat 202 can be adjusted relative to the base 201 through the moving mechanism 4, so that the two sliding seats 202 are adjusted to the specified position, and the vertical telescopic member 203 can be raised and lowered to adjust the height of the workpiece to within the working range of the laser cutting machine. The relative rotation of the extension rod 206 relative to the sliding table 205 can make the transverse telescopic member 207 rotate to the vertical and horizontal, and according to the shape of the profile, the transverse telescopic member 207 is inserted into the gap of the profile, and the transverse telescopic member 207 is used to expand or adjacent transverse telescopic members 207 are brought close to each other to fix profiles of different shapes and sizes.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fastening tool for a laser cutting machine used in steel structure valve hall construction, comprising a bracket (1) for mounting the laser cutting machine, characterized in that: A plurality of fixing mechanisms (2) arranged in parallel and at equal distances are arranged in the middle of the bracket (1); The fixing mechanism (2) comprises a base (201), a sliding seat (202) is symmetrically slidably connected to the top of the base (201), a vertical telescopic member (203) is fixedly installed on the top of the sliding seat (202), a transverse guide rail (204) is fixedly installed on the free end of the vertical telescopic member (203), a sliding platform (205) slidably connected along the transverse guide rail (204) is fixedly installed on the top of the transverse guide rail (204), an extension rod (206) that is hinged and actively rotates is hinged on the top of the sliding platform (205), a transverse telescopic member (207) extending to both ends is fixedly installed on one end of the extension rod (206) away from the sliding platform (205), and a touch head (208) is fixedly installed on the free end of the transverse telescopic member (207).

2. The fastening tooling of a laser cutting machine for steel structure valve hall construction according to claim 1 is characterized by: The support (1) comprises a sliding pair for supporting the sliding of the laser cutting machine, a limiting groove (209) is provided at the bottom end of the base (201), a limiting beam (210) slidably connected to the inside of the limiting groove (209) is fixedly installed on the inner bottom wall of the support (1), a group of spring positioning heads (211) are inlaid on the inner bottom wall of the support (1), a clamping groove (212) adapted to the spring positioning head (211) is provided at the bottom end of the base (201), two adjacent bases (201) are connected by a plug-in rod (213), and the plug-in rod (213) is plugged into the inside of a slide groove for slidably connecting the sliding seat (202), and the inner bottom wall of the support (1) is provided with a power mechanism (3) for driving all the bases (201) to slide as a whole; The power mechanism (3) comprises a fixing plate (301), the fixing plate (301) being fixedly mounted on one end of the inner bottom wall of the bracket (1), a telescopic sleeve (302) being fixedly mounted on one end of the fixing plate (301) close to the base (201), and the telescopic sleeve (302) and the base (201) being fixedly connected via a bracket (303).

3. The fastening tooling of a laser cutting machine for steel structure valve hall construction according to claim 2 is characterized by: The end surface of the extension rod (206) is inlaid with a ball (214), the end surface of the contact head (208) is provided with a bearing hole (215), the inside of the bearing hole (215) is slidably connected with a spring sleeve (216), and the ball (214) is inlaid in the free end of the spring sleeve (216).

4. The fastening tooling of a laser cutting machine for steel structure valve hall construction according to claim 3 is characterized by: A moving mechanism (4) is arranged between the base (201) and the sliding seat (202); the moving mechanism (4) is also arranged between the transverse guide rail (204) and the sliding platform (205); the base (201) and the transverse guide rail (204) are collectively referred to as a fixed part, and the sliding seat (202) and the sliding platform (205) are collectively referred to as a sliding part.

5. The fastening tooling of a laser cutting machine for steel structure valve hall construction according to claim 4 is characterized by: The moving mechanism (4) comprises a tooth groove (401) provided on the fixed part, the bottom end of the sliding part is rotatably connected to a gear (402) meshing and rotating with the tooth groove (401), friction plates (403) are arranged on both sides of the bottom end of the sliding part and can rub against the side wall of the tooth groove (401) through telescoping, and a motor (404) is fixedly installed on the side wall of the sliding part to drive the gear (402) to rotate.

6. The fastening tooling of a laser cutting machine for steel structure valve hall construction according to claim 4 is characterized by: A motor (405) is fixedly mounted on the end surface of the fixed portion, a lead shaft (406) is fixedly mounted on the output end of the motor (405), the lead shaft (406) is threadedly connected to the sliding portion, and the lead shaft (406) is rotatably connected to the fixed portion.

7. A fastening tool for a laser cutting machine for steel structure valve hall construction according to claim 5 or 6, characterized in that: The top of the sliding platform (205) is provided with a rotating groove (5), and a motor (501) for driving the extension rod (206) to rotate is fixedly installed on the side wall of the sliding platform (205). A rotating shaft (502) is fixedly installed on the output end of the motor (501), and the rotating shaft (502) is fixedly connected to the extension rod (206). A receiving hole (503) is provided at the rotating end of the extension rod (206), and an electromagnetically controlled plug rod (504) for upward and downward movement is slidably connected inside the receiving hole (503). The inner bottom wall of the rotating groove (5) is provided with a plug hole (505) adapted to the plug rod (213).

8. The fastening tooling of a laser cutting machine for steel structure valve hall construction according to claim 7 is characterized by: The transverse telescopic member (207) comprises two telescopic parts whose free ends are far from each other, the two telescopic parts are symmetrically arranged, the length of the touch head (208) is equal to the sum of the lengths of the two telescopic parts, and the width of the touch head (208) is the same as the width of the telescopic part.

9. The fastening tooling of a laser cutting machine for steel structure valve hall construction according to claim 8 is characterized by: The vertical telescopic member (203) wraps a vertical active lifting rod (601), the fixed end of the lifting rod (601) is fixedly installed above the sliding seat (202), the free end of the lifting rod (601) is fixedly installed below the transverse guide rail (204), and the two ends of the lifting rod (601) are fixedly installed with limited sliding rods (602), and the two ends of the limited sliding rod (602) are fixedly connected to the sliding seat (202) and the transverse guide rail (204) respectively.

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