Marine guardrail and guardrail punching device

Abstract

The marine guardrail and guardrail punching device comprises a guardrail body and a punching device body, the guardrail body comprises a supporting main body, a transverse rod, a stop rod and a sleeving seat, the punching device body comprises a machining table, and an electric conveying guide rail arranged in the upper end of the machining table is connected with the middle of a main rod in a clamped mode through a placing clamping seat; a punching positioning mechanism is arranged on one side of the upper end of the machining table, positioning clamping frames are symmetrically arranged below a first punching mechanism installed on the other side of the upper end of the machining table and located at one end of the electric conveying guide rail, and a second punching mechanism and a third punching mechanism are arranged at the positions, located on the two sides of the first punching mechanism, of the upper end of the machining table correspondingly. According to the marine guardrail and the guardrail punching device, by arranging the first punching mechanism, the second punching mechanism and the third punching mechanism, all positions of the supporting body can be punched at the same time on the machining table, so that the position of the supporting body does not need to be exchanged and moved during punching, operation is easy, and the punching efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field related to punching holes in ship guardrails, and in particular to a ship guardrail and a guardrail punching device. Background Art

[0002] Marine guardrails are facilities installed on the side and deck of a ship to prevent people and objects from falling off the ship. Different types of ships have guardrails of different shapes and materials, but they all have the basic function of protecting the safety of the ship. In the process of processing marine guardrails, it is often necessary to punch holes in the guardrails.

[0003] After searching, it was found that the typical punching device in the prior art is such as the publication number CN218135124U, a single punching device for guardrail processing, including a base, the left and right sides of the top of the base are movably connected with fixed columns, the middle of the top of the base is fixedly connected with a punching column, the middle of the punching column is fixedly connected with a motor, a fixing mechanism, the fixing mechanism includes a fixing plate, the fixing plate is arranged at the inner bottom end of the fixing column, and an adjusting mechanism, the adjusting mechanism includes a screw, and the screw is movably connected to the inside of the base. The utility model realizes the fixation of the railing, avoids the sliding of the guardrail with a smooth surface and a hard texture during the punching process, thereby avoiding errors in the guardrail punching operation and improving the punching efficiency.

[0004] To sum up, the existing punching device can only punch holes in one position of the guardrail when in use, so when punching holes in other positions, the guardrail needs to be moved and adjusted, which makes the operation complicated and cumbersome, and reduces the punching efficiency. In view of the above problems, the existing equipment needs to be improved. Summary of the invention

[0005] The object of the present invention is to provide a marine guardrail and a guardrail punching device to solve the problem that the existing punching device proposed in the above background technology can only punch holes in one position of the guardrail when in use, so that when punching holes in other positions, the guardrail needs to be moved and adjusted, the operation is complicated and cumbersome, and the punching efficiency is reduced.

[0006] To achieve the above object, the present invention provides the following technical solution: a marine guardrail, comprising a guardrail body,

[0007] The guardrail body includes a supporting body, a cross bar, a baffle rod and a socket seat, and there are multiple supporting bodies. The upper end of the supporting body arranged in the middle is connected to one side of the upper end of the supporting bodies arranged on both sides through a cross bar, and baffle rods are symmetrically welded on both sides of the supporting body arranged in the middle, and the baffle rods are V-shaped structures. The outer sides of the two ends of the supporting bodies arranged on both sides are symmetrically socketed with socket seats, and the front side of the socket seat is connected to the positioning holes corresponding to the supporting bodies through positioning bolts. At the same time, positioning side pieces are symmetrically arranged on both sides of the socket seat, and the positioning side piece arranged on one side is snap-fitted with the snap-fitting groove opened in the middle of one end of the corresponding baffle rod, and the fixing screws arranged on the front side of the positioning side piece pass through the baffle rod and are connected with the positioning side piece.

[0008] Preferably, the supporting body includes a main rod, a chassis and a top seat, and the two ends of the main rod are respectively connected to the middle of the chassis and one side of the top seat. At the same time, mounting holes are symmetrically opened on the outside of the chassis, and a connecting hole is opened in the middle of the top seat, and the connecting hole is snap-connected with the outer side of the cross rod.

[0009] A ship guardrail punching device, comprising a punching device body,

[0010] The punching device body includes a processing table, an electric conveying guide rail is arranged inside the upper end of the processing table, and a placing card seat is installed on the electric conveying guide rail, and the middle of the placing card seat is clamped and connected with the middle of the main rod, a punching positioning mechanism is arranged on one side of the upper end of the processing table, which is used to position the punching position on the main rod, and a first punching mechanism is installed on the other side of the upper end of the processing table, and a positioning card frame is symmetrically arranged at one end of the electric conveying guide rail below the first punching mechanism, a second punching mechanism is arranged on the upper end of the processing table in front of the first punching mechanism, which is used to punch holes in the chassis, and a third punching mechanism is arranged on the upper end of the processing table behind the first punching mechanism, which is used to punch holes in the top seat.

[0011] Preferably, the punching positioning mechanism includes a mounting vertical plate, a material storage box is arranged on the outer side of the mounting vertical plate, and a suction pump is arranged in the middle of the upper end of the material storage box, and the suction pump is connected to the two conveying pipes through a three-way connector, the other ends of the two conveying pipes pass through the first support frame arranged on the upper end of the mounting vertical plate and are connected to the corresponding vertical pipes, and the upper ends of the two vertical pipes are connected through the first lifting plate, and the middle of the upper end of the first lifting plate is connected to the first support frame through the first electric telescopic rod, the lower ends of the two vertical pipes pass through the corresponding positioning plates and are connected to the sponge block, and the outer sides of the vertical pipes are movably connected to the positioning plates.

[0012] Preferably, the positioning bracket is a U-shaped structure, and an elastic rubber pad is provided on the inner side of the positioning bracket, and the positioning bracket is engaged and connected with the outer sides of both ends of the main rod.

[0013] Preferably, the first punching mechanism includes a second support frame, second electric telescopic rods are symmetrically arranged on both sides of the upper end of the second support frame, and the output ends of the two second electric telescopic rods are connected to the sides of the lower end of the second lifting plate, and a bidirectional motor is arranged in the middle of the upper end of the second lifting plate, both ends of the bidirectional motor are connected to the driving bevel gear through the first connecting shaft, and the lower ends of the two driving bevel gears are meshed and connected with the corresponding driven bevel gears, and the two driven bevel gears pass through the second lifting plate and are connected to the first punching drill bit through the corresponding second connecting shaft, the bottoms of the two first punching drill bits pass through the upper end of the second support frame and extend below the second support frame, and the positions of the two first punching drill bits are arranged corresponding to the position of the main rod punching.

[0014] Preferably, the second punching mechanism includes a mounting frame, which is a U-shaped structure, and the two sides of the lower end of the mounting frame are slidably connected to the upper end of the processing table through a first electric linear guide, and a first driving motor is arranged in the middle of the front side of the mounting frame, and the output end of the first driving motor is connected to the middle of one side of the rotating disk through a driving shaft, and a third connecting shaft is rotatably connected to both sides of the rotating disk, and the other ends of the two third connecting shafts pass through the mounting frame through a coupling and are connected to the second punching drill bit, and the position of the second punching drill bit is arranged corresponding to the position of the drilling of the chassis.

[0015] Preferably, the third punching mechanism includes a second electric linear guide, a support seat is provided on the second electric linear guide, and a second drive motor is provided in the middle of the outer side of the support seat, and the output end of the second drive motor passes through the support seat and is connected to the third punching drill bit, and the position of the third punching drill bit is set corresponding to the position of the punching of the top seat.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the ship guardrail and guardrail punching device,

[0017] (1) In order to solve the problem that the existing punching device can only punch holes in one position of the guardrail when in use, so that when punching holes in other positions, the guardrail needs to be moved and adjusted, the operation is complicated and cumbersome, and the punching efficiency is reduced, the present application sets a first punching mechanism to punch holes in the main rod, sets a second punching mechanism to punch holes in the chassis, and sets a third punching mechanism to punch holes in the top seat, so that holes can be punched in various positions of the support body on the processing table at the same time, so that the support body does not need to be moved when punching holes, the operation is simple, and the punching efficiency is improved;

[0018] (2) In order to solve the problem of accuracy of the punching position when the existing punching device is in use, the present application sets a punching positioning mechanism to facilitate marking and positioning of the punching positions on both sides of the main rod, so that when moving and transporting, the punching position is not prone to deviation due to the offset of the main rod, thereby improving the accuracy of the punching position of the main rod. At the same time, it also ensures the accuracy of the placement of the chassis and top seat set at both ends of the main rod, further improving the accuracy of the punching of the chassis and top seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front cross-sectional structure of the guardrail body of the present invention;

[0020] Figure 2 This is a schematic diagram of the front view structure of the guardrail body of the present invention;

[0021] Figure 3 It is a schematic diagram of the top view of the punching device body of the present invention;

[0022] Figure 4 It is a schematic diagram of the top view of the punching and positioning mechanism of the present invention;

[0023] Figure 5 It is a side view structural diagram of the punching and positioning mechanism of the present invention;

[0024] Figure 6 It is a schematic diagram of the top view of the structure of the first punching mechanism of the present invention;

[0025] Figure 7 It is a side view structural schematic diagram of the first punching mechanism of the present invention;

[0026] Figure 8 It is a schematic diagram of the top view of the second punching mechanism of the present invention.

[0027] In the figure: 1, main rod; 2, chassis; 201, mounting hole; 3, top seat; 301, connecting hole; 4, supporting body; 5, cross bar; 6, stop bar; 601, snap-fit ​​groove; 7, socket seat; 8, positioning bolt; 9, positioning side plate; 10, fixing screw; 11, processing table; 12, electric conveying guide rail; 13, placing card seat; 14, punching positioning mechanism; 1401, installation vertical plate; 1402, storage box; 1403, suction pump; 1404, three-way connector; 1405, conveying pipe; 1406, vertical pipe; 14061, sponge block; 1407, first lifting plate; 1408, positioning plate; 1409, first support frame; 1410, first electric telescopic rod; 15, positioning card frame; 16 , the first punching mechanism; 1601, the second support frame; 1602, the second electric telescopic rod; 1603, the second lifting plate; 1604, the bidirectional motor; 1605, the first connecting shaft; 1606, the driving bevel gear; 1607, the driven bevel gear; 1608, the second connecting shaft; 1609, the first punching drill bit; 17, the second punching mechanism; 1701, the mounting frame; 1702, the first electric linear guide; 1703, the first driving motor; 1704, the driving shaft; 1705, the rotating disk; 1706, the third connecting shaft; 1707, the coupling; 1708, the second punching drill bit; 18, the second electric linear guide; 19, the support seat; 20, the second driving motor; 21, the third punching drill bit. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-8 The present invention provides a technical solution: a marine guardrail, according to Figure 1 and Figure 2As shown, the guardrail body includes a supporting body 4, a cross bar 5, a blocking rod 6 and a socket 7, and the supporting body 4 is provided with multiple, the upper end of the middle supporting body 4 is connected to one side of the upper end of the supporting body 4 arranged on both sides through the cross bar 5, and the blocking rods 6 are symmetrically welded on both sides of the middle supporting body 4, and the blocking rods 6 are of a V-shaped structure. Through the blocking rods 6, the connection between the supporting bodies 4 and the supporting bodies 4 is tighter and firmer, and the stability of use is improved. The outer sides of the two ends of the supporting bodies 4 arranged on both sides are symmetrically socketed with sockets 7, and the front of the sockets 7 is connected to the positioning bolts 8. The support body 4 is connected with the corresponding positioning holes, and at the same time, positioning side pieces 9 are symmetrically arranged on both sides of the socket 7. The positioning side piece 9 arranged on one side is engaged with the locking groove 601 opened in the middle of one end of the corresponding baffle rod 6, and the fixing screw 10 arranged on the front side of the positioning side piece 9 penetrates the baffle rod 6 and is connected with the positioning side piece 9. Through the fixing screw 10, it is convenient to connect the baffle rod 6 and the positioning side piece 9, so that the baffle rod 6 can play a certain protective role, prevent the gap between the support body 4 and the support body 4 from being large, so that people fall into the water through the gap, thereby improving the protective performance during use.

[0030] Further explanation: the support body 4 includes a main pole 1, a chassis 2 and a top seat 3, and the two ends of the main pole 1 are respectively connected to the middle of the chassis 2 and one side of the top seat 3. At the same time, the outer side of the chassis 2 is symmetrically provided with mounting holes 201. Through the mounting holes 201, the support body 4 can be conveniently fixed on the hull, thereby improving the stability of the support body 4. A connecting hole 301 is opened in the middle of the top seat 3, and the connecting hole 301 is snap-connected with the outer side of the cross bar 5. The cross bar 5 penetrates the connecting hole 301 opened on the top seat 3, so that the cross bar 5 connects and fixes the upper ends of multiple support bodies 4, thereby improving the stability and protection of the guardrail body.

[0031] A marine guardrail punching device, according to Figure 3 , Figure 4 and Figure 5 As shown, the punching device body includes a processing table 11, an electric conveying guide rail 12 is arranged inside the upper end of the processing table 11, and a placing card seat 13 is installed on the electric conveying guide rail 12, and the middle of the placing card seat 13 is engaged with the middle of the main rod 1, and the main rod 1 is fixed by the placing card seat 13, so that the main rod 1 is not easy to tilt or shift when loading, and the chassis 2 and the top seat 3 arranged at both ends of the main rod 1 are respectively located on both sides of the placing card seat 13, and then the electric conveying guide rail 12 is started to drive the placing card seat 13 to move on the processing table 11, so as to facilitate the conveying and loading of the supporting body 4 and improve the practicality of use. A punching positioning mechanism 14 is arranged on one side of the upper end of the processing table 11 for positioning the punching position on the main rod 1.

[0032] Specifically, the punching positioning mechanism 14 includes a mounting vertical plate 1401, a storage box 1402 is arranged on the outer side of the mounting vertical plate 1401, and a suction pump 1403 is arranged in the middle of the upper end of the storage box 1402, and the suction pump 1403 is connected to two delivery pipes 1405 through a three-way connector 1404, the other ends of the two delivery pipes 1405 pass through a first support frame 1409 arranged on the upper end of the mounting vertical plate 1401 and are connected to corresponding vertical pipes 1406, and the upper ends of the two vertical pipes 1406 are connected through a first lifting plate 1407, and the middle of the upper end of the first lifting plate 1407 is connected to the first support frame 1409 through a first electric telescopic rod 1410, the lower ends of the two vertical pipes 1406 pass through corresponding positioning plates 1408 and are connected to the sponge block 14061, and the outer sides of the vertical pipes 1406 are movably connected to the positioning plates 1408.

[0033] When in use, start the suction pump 1403 to transport the paint in the storage box 1402 to the inside of the vertical pipe 1406 through the delivery pipe 1405, so that the paint in the vertical pipe 1406 penetrates the sponge block 14061. When the main rod 1 is located below the sponge block 14061, start the first electric telescopic rod 1410 to drive the first lifting plate 1407 to move downward, so that the first lifting plate 1407 drives the two vertical pipes 1406 to move downward, so that the lower end of the sponge block 14061 contacts the main rod 1, and the punching position is located.

[0034] according to Figure 3 , Figure 6 and Figure 7 As shown, a first punching mechanism 16 is installed on the other side of the upper end of the processing table 11, and a positioning bracket 15 is symmetrically arranged at one end of the electric conveying guide rail 12 below the first punching mechanism 16. The positioning bracket 15 is a U-shaped structure, and an elastic rubber pad is arranged on the inner side of the positioning bracket 15. At the same time, the positioning bracket 15 is engaged and connected with the outer sides of the two ends of the main rod 1. Through the positioning bracket 15, the two ends of the main rod 1 are fixed and not easy to shift when punching, thereby improving the accuracy of the punching position.

[0035] Specifically, the first punching mechanism 16 includes a second support frame 1601, and second electric telescopic rods 1602 are symmetrically arranged on both sides of the upper end of the second support frame 1601, and the output ends of the two second electric telescopic rods 1602 are connected to the sides of the lower end of the second lifting plate 1603, and a bidirectional motor 1604 is arranged in the middle of the upper end of the second lifting plate 1603, and both ends of the bidirectional motor 1604 are connected to the driving bevel gear 1606 through the first connecting shaft 1605, and the lower ends of the two driving bevel gears 1606 are meshed and connected with the corresponding driven bevel gears 1607, and the two driven bevel gears 1607 are connected to the first punching drill bit 1609 through the corresponding second connecting shaft 1608, and the bottoms of the two first punching drill bits 1609 pass through the upper end of the second support frame 1601 and extend below the second support frame 1601, and the positions of the two first punching drill bits 1609 are arranged corresponding to the punching position of the main rod 1.

[0036] When in use, start the second electric telescopic rod 1602 to drive the second lifting plate 1603 to move downward, so that the tips of the two first drilling bits 1609 contact the center point of the marked drilling position of the main rod 1, and then start the bidirectional motor 1604, and the first connecting shaft 1605 and the driving bevel gear 1606 are driven to rotate by the bidirectional motor 1604, and then the driving bevel gear 1606 drives the driven bevel gear 1607, the second connecting shaft 1608 and the first drilling bit 1609 to rotate to drill the marked point, and at the same time, the second electric telescopic rod 1602 continues to drive the second lifting plate 1603 to move downward until the first drilling bit 1609 penetrates the marked point, and the drilling of the main rod 1 is completed.

[0037] according to Figure 3 and Figure 8 As shown, a second punching mechanism 17 is provided at the upper end of the processing table 11 in front of the first punching mechanism 16 for punching holes in the chassis 2 .

[0038] Specifically, the second punching mechanism 17 includes a mounting frame 1701, which is a U-shaped structure, and the two sides of the lower end of the mounting frame 1701 are slidably connected to the upper end of the processing table 11 through the first electric linear guide 1702. At the same time, a first driving motor 1703 is arranged in the middle of the front of the mounting frame 1701, and the output end of the first driving motor 1703 is connected to the middle of one side of the rotating disk 1705 through the driving shaft 1704, and the two sides of the rotating disk 1705 are rotatably connected with the third connecting shaft 1706, and the other ends of the two third connecting shafts 1706 pass through the mounting frame 1701 through the coupling 1707 and are connected to the second punching drill bit 1708, and the position of the second punching drill bit 1708 is set corresponding to the position of the hole punched in the chassis 2.

[0039] When in use, by starting the first electric linear guide 1702, the first electric linear guide 1702 drives the mounting frame 1701 to move toward the side of the chassis 2, so that the tip of the second drilling drill bit 1708 contacts the center of the drilling position of the chassis 2, and then the first driving motor 1703 is started to drive the driving shaft 1704 and the rotating disk 1705 to rotate inside the mounting frame 1701, so that the third connecting shaft 1706 arranged on the rotating disk 1705 drives the coupling 1707 and the second drilling drill bit 1708 to rotate, and at the same time, the first electric linear guide 1702 continues to drive the mounting frame 1701 to move toward the side of the chassis 2 until the second drilling drill bit 1708 penetrates the chassis 2, and the drilling of the chassis 2 is completed.

[0040] according to Figure 3 As shown, a third punching mechanism is provided at the upper end of the processing table 11 and located behind the first punching mechanism 16 , and is used to punch holes in the top seat 3 .

[0041] Specifically, the third punching mechanism includes a second electric linear guide 18, a support seat 19 is arranged on the second electric linear guide 18, and a second drive motor 20 is arranged in the middle of the outer side of the support seat 19, and the output end of the second drive motor 20 passes through the support seat 19 and is connected to the third punching drill bit 21, and the position of the third punching drill bit 21 is set corresponding to the position of the punching of the top seat 3.

[0042] When in use, start the second electric linear guide 18 to drive the support seat 19 to move toward the side of the top seat 3, so that the tip of the third drilling bit 21 contacts the center of the drilling position of the top seat 3, and then start the second drive motor 20 to drive the third drilling bit 21 to rotate. At the same time, the second electric linear guide 18 drives the support seat 19 to move toward the side of the top seat 3 until the third drilling bit 21 penetrates the top seat 3, thereby completing the drilling of the top seat 3.

[0043] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the protection content of the present invention.

[0044] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A marine guardrail, comprising a guardrail body, characterized in that: The guardrail body comprises a supporting body (4), a cross bar (5), a blocking rod (6) and a socket seat (7), and the supporting body (4) is provided with a plurality of them. The upper end of the supporting body (4) arranged in the middle is connected to one side of the upper end of the supporting body (4) arranged on both sides through the cross bar (5), and the blocking rods (6) are symmetrically welded on both sides of the supporting body (4) arranged in the middle. At the same time, the blocking rods (6) are of a V-shaped structure. The outer sides of the two ends of the supporting bodies (4) arranged on both sides are symmetrically socketed with socket seats (7), and the front side of the socket seat (7) is connected to the positioning holes corresponding to the supporting body (4) through positioning bolts (8). At the same time, positioning side plates (9) are symmetrically arranged on both sides of the socket seat (7), and the positioning side plates (9) arranged on one side are snap-connected with the snap-connecting groove (601) opened in the middle of one end of the corresponding blocking rod (6), and the fixing screws (10) arranged on the front side of the positioning side plates (9) penetrate the blocking rod (6) and are connected to the positioning side plates (9).

2. The marine guardrail according to claim 1, characterized in that: The supporting body (4) comprises a main rod (1), a chassis (2) and a top seat (3), and the two ends of the main rod (1) are respectively connected to the middle of the chassis (2) and one side of the top seat (3), while the outer side of the chassis (2) is symmetrically provided with mounting holes (201), and the top seat (3) is laterally provided with a connecting hole (301), and the connecting hole (301) is snap-connected with the outer side of the cross rod (5).

3. A ship guardrail punching device, comprising a punching device body, characterized in that: The punching device body comprises a processing table (11), an electric conveying guide rail (12) is arranged inside the upper end of the processing table (11), and a placing card seat (13) is installed on the electric conveying guide rail (12), and the middle of the placing card seat (13) is engaged with the middle of the main rod (1), a punching positioning mechanism (14) is arranged on one side of the upper end of the processing table (11), and is used to locate the punching position on the main rod (1), and a first punching mechanism (16) is installed on the other side of the upper end of the processing table (11), and a positioning card frame (15) is symmetrically arranged below the first punching mechanism (16) and at one end of the electric conveying guide rail (12), a second punching mechanism (17) is arranged on the upper end of the processing table (11) and is located in front of the first punching mechanism (16), and is used to punch holes in the chassis (2), and a third punching mechanism is arranged on the upper end of the processing table (11) and is located behind the first punching mechanism (16), and is used to punch holes in the top seat (3).

4. The marine guardrail punching device according to claim 3, characterized in that: The punching positioning mechanism (14) comprises a mounting vertical plate (1401), a material storage box (1402) is arranged outside the mounting vertical plate (1401), and a suction pump (1403) is arranged in the middle of the upper end of the material storage box (1402), and the suction pump (1403) is connected to two conveying pipes (1405) through a three-way connector (1404), and the other ends of the two conveying pipes (1405) pass through a first support frame (1409) arranged at the upper end of the mounting vertical plate (1401). The two vertical tubes (1406) are connected to the corresponding vertical tubes (1406), and the upper ends of the two vertical tubes (1406) are connected through a first lifting plate (1407). At the same time, the middle of the upper end of the first lifting plate (1407) is connected to the first support frame (1409) through a first electric telescopic rod (1410). The lower ends of the two vertical tubes (1406) pass through the corresponding positioning plates (1408) and are connected to the sponge block (14061), and the outer sides of the vertical tubes (1406) are movably connected to the positioning plates (1408).

5. The marine guardrail punching device according to claim 3, characterized in that: The positioning bracket (15) is a U-shaped structure, and an elastic rubber pad is arranged inside the positioning bracket (15). At the same time, the positioning bracket (15) is engaged and connected with the outer sides of both ends of the main rod (1).

6. The marine guardrail punching device according to claim 3, characterized in that: The first punching mechanism (16) comprises a second support frame (1601), and second electric telescopic rods (1602) are symmetrically arranged on both sides of the upper end of the second support frame (1601), and the output ends of the two second electric telescopic rods (1602) are connected to the side edges of the lower end of the second lifting plate (1603), and a bidirectional motor (1604) is arranged in the middle of the upper end of the second lifting plate (1603), and both ends of the bidirectional motor (1604) are connected to the driving bevel gear (1606) through the first connecting shaft (1605), and the two driving bevel gears (1606) are connected to the driving bevel gears (1606) through the first connecting shaft (1605). The lower end of the gear (1606) is meshedly connected with a corresponding driven bevel gear (1607), and the two driven bevel gears (1607) are connected to the first drilling bits (1609) through the second lifting plate (1603) and the corresponding second connecting shafts (1608). The bottoms of the two first drilling bits (1609) pass through the upper end of the second support frame (1601) and extend below the second support frame (1601), and the positions of the two first drilling bits (1609) are arranged corresponding to the positions of the holes punched by the main rod (1).

7. The marine guardrail punching device according to claim 3, characterized in that: The second punching mechanism (17) comprises a mounting frame (1701), the mounting frame (1701) is a U-shaped structure, and the lower ends of the mounting frame (1701) are slidably connected to the upper ends of the processing table (11) via first electric linear guide rails (1702), and a first driving motor (1703) is arranged in the middle of the front face of the mounting frame (1701), the output end of the first driving motor (1703) is connected to the middle of one side of the rotating disk (1705) via a driving shaft (1704), and the two sides of the rotating disk (1705) are rotatably connected to third connecting shafts (1706), and the other ends of the two third connecting shafts (1706) pass through the mounting frame (1701) through couplings (1707) and are connected to second punching drill bits (1708), and the position of the second punching drill bit (1708) is arranged corresponding to the position of the holes punched in the chassis (2).

8. The marine guardrail punching device according to claim 3, characterized in that: The third punching mechanism comprises a second electric linear guide rail (18), a support seat (19) is arranged on the second electric linear guide rail (18), and a second drive motor (20) is arranged in the middle of the outer side of the support seat (19), and the output end of the second drive motor (20) passes through the support seat (19) and is connected to a third punching drill bit (21), and the position of the third punching drill bit (21) is arranged corresponding to the position of the hole punched by the top seat (3).

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