阅读说明：本技术 一种海洋工程结构物运输装置 (Ocean engineering structure thing conveyer ) 是由 郑艺伟 于 2021-10-28 设计创作，主要内容包括：本发明属于海洋工程领域,尤其是一种海洋工程结构物运输装置,针对现有的运输装置往往只能漂浮在水中,导致其在装卸设备的过程中还需要其它大型运输设备作为转运装置,操作过程不够便捷的问题,现提出如下方案,其包括运输装置主体,所述运输装置主体的顶部开设有升降腔,升降腔内滑动安装有升降板机构,运输装置主体上开设有收纳槽,收纳槽内滑动安装有滑动板,且收纳槽内设置有升降传动机构,本发明具备两栖行动能力,便于其直接移动至合适的地点进行设备的装卸,通过升降板进一步的提升装卸设备时的效率,且提升运输时的稳定性,同时可收纳的高防护性能的警示灯可以提供有效的信号,提升运输时的安全性。(The invention belongs to the field of ocean engineering, in particular to an ocean engineering structure transport device, which aims at solving the problems that the existing transport device can only float in water, so that other large-scale transport equipment is required to be used as a transfer device in the process of loading and unloading equipment, and the operation process is not convenient enough, and the transport device comprises a transport device main body, wherein the top of the transport device main body is provided with a lifting cavity, a lifting plate mechanism is arranged in the lifting cavity in a sliding manner, the transport device main body is provided with a storage groove, a sliding plate is arranged in the storage groove in a sliding manner, and a lifting transmission mechanism is arranged in the storage groove. The safety during transportation is improved.)

1. A marine engineering structure transport device comprises a transport device main body (1) and is characterized in that a lifting cavity (2) is formed in the top of the transport device main body (1), a lifting plate mechanism is arranged in the lifting cavity (2) in a sliding manner, a storage groove (3) is formed in the transport device main body (1), a sliding plate (4) is arranged in the storage groove (3) in a sliding manner, a lifting transmission mechanism is arranged in the storage groove (3), a top of the sliding plate (4) is fixedly connected with a pressing top (5), the sliding plate (4) is matched with the lifting transmission mechanism, a mounting through hole (6) is formed in the sliding plate (4), a warning lamp plate (7) is arranged in the mounting through hole (6), a warning slogan (8) is arranged on the warning lamp plate (7), horizontal fixing columns (9) are fixedly connected to two sides of the transport device main body (1), and amphibious mechanisms are arranged on the two horizontal fixing columns (9), one side fixedly connected with rectangle casing (10) of conveyer main part (1), the one end of two horizontal fixing column (9) all with rectangle casing (10) fixed connection, one side fixedly connected with motor casing (11) of rectangle casing (10), motor chamber (22) have been seted up in motor casing (11), fixed mounting has just reverse motor (12) on the one side inner wall of motor chamber (22), just reverse motor (12) and lifter plate mechanism, lift drive mechanism and amphibious mechanism cooperate, the front end fixedly connected with connecting block (39) of conveyer main part (1), fixedly connected with traction ring (40) on connecting block (39).

2. The ocean engineering structure transporting device according to claim 1, wherein the lifting plate mechanism comprises a lifting plate (13) which is slidably mounted in the lifting cavity (2), first sliding grooves (14) are respectively formed in inner walls of two sides of the lifting cavity (2), first sliding blocks (15) are respectively slidably mounted in the two first sliding grooves (14), and one sides of the two first sliding blocks (15) which are close to each other are respectively fixedly connected with two sides of the lifting plate (13).

3. The ocean engineering structure transporting device according to claim 1, wherein the lifting plate mechanism further comprises a second sliding groove (16) formed in the inner wall of the bottom of the lifting cavity (2), two second sliding blocks (17) are installed in the second sliding groove (16) in a sliding mode, a bidirectional screw rod (18) is installed in the second sliding groove (16) in a rotating mode, first threaded holes are formed in the two second sliding blocks (17), and the bidirectional screw rod (18) is installed in the two threaded holes in a rotating mode.

4. The ocean engineering structure transporting device according to claim 3, wherein the tops of the two second sliding blocks (17) are fixedly connected with first rotating seats (19), the bottom of the lifting plate (13) is symmetrically provided with two second rotating seats (20), the two first rotating seats (19) are rotatably provided with transmission rods (21), and the other ends of the two transmission rods (21) are rotatably connected with the two second rotating seats (20) respectively.

5. The ocean engineering structure transportation device according to claim 1, wherein a transmission cavity (23) is formed in the rectangular shell (10), a first rotating rod (24) is rotatably mounted in the transmission cavity (23), and one end of the first rotating rod (24) extends into the motor cavity (22) and is welded with an output shaft of the forward and reverse rotating motor (12).

6. The ocean engineering structure transportation device according to claim 5, wherein a first bevel gear (25) is fixedly sleeved on the outer side of the first rotating rod (24), one end of the bidirectional screw rod (18) penetrates through the accommodating groove (3) to extend into the transmission cavity (23) and is fixedly connected with a second bevel gear (26), and the second bevel gear (26) is meshed with the first bevel gear (25).

7. The ocean engineering structure transporting device according to claim 1, wherein the lifting transmission mechanism comprises third sliding grooves (27) formed in inner walls of two sides of the accommodating groove (3), third sliding blocks (28) are slidably mounted in the two third sliding grooves, one sides of the two third sliding blocks (28) are fixedly connected with two sides of the sliding plate (4) respectively, threaded rods (29) are rotatably mounted in the two third sliding grooves (27), second threaded holes are formed in the two third sliding blocks (28), and the two threaded rods (29) are respectively threadedly mounted in the two threaded holes.

8. The ocean engineering structure transporting device according to claim 7, wherein the bottom ends of the two threaded rods (29) are fixedly connected with third bevel gears (30), the outer sides of the two-way screw rods (18) are fixedly sleeved with two fourth bevel gears (31), and the two fourth bevel gears (31) are respectively meshed with the two third bevel gears (30).

9. The ocean engineering structure transporting device according to claim 1, wherein the amphibious mechanism comprises two grooves (32) formed in the horizontal fixing column (9), the same second rotating rod (33) is rotatably mounted in the two grooves (32), supporting columns (34) are arranged in the two grooves (32), the two supporting columns (34) are fixedly sleeved on the outer sides of the second rotating rod (33), wheels (35) are fixedly connected to the bottom ends of the two supporting columns (34), and the same floating plate (36) is arranged on the two supporting columns (34).

10. The ocean engineering structure transporting device according to claim 9, wherein one end of the second rotating rod (33) extends into the transmission cavity (23) and is fixedly connected with a worm wheel (37), two worms (38) are fixedly sleeved on the outer side of the first rotating rod (24), and the worms (38) are meshed with the worm wheel (37).

Technical Field

The invention relates to the technical field of ocean engineering, in particular to a transportation device for ocean engineering structures.

Background

The ocean engineering refers to new construction, reconstruction and extension engineering which aims at developing, utilizing, protecting and recovering ocean resources, and the engineering main body is positioned on one side of a coastline towards the sea, generally, the main content of the ocean engineering can be divided into two parts of resource development technology and equipment facility technology, ocean engineering equipment is required to be used along with the continuous development of the ocean engineering, and engineering structures are required to develop, utilize, protect and recover the ocean during the construction process, and the ocean engineering structures generally comprise ship structures, jack-up platform structures, semi-submersible (submersible) platform structures, jacket-type platform structures, submersible structures and helicopter deck structures, the transportation requirements of the large ocean engineering structures are rapidly increased in the construction process, the large ocean engineering structures are large in general, and the requirements on transportation devices are high in the transportation process;

the existing transportation device can only float in water, so that other large transportation equipment is needed as a transfer device in the process of loading and unloading equipment, and the operation process is not convenient enough.

Disclosure of Invention

The invention aims to solve the defects that in the prior art, a transportation device can only float in water, so that other large transportation equipment is needed as a transfer device in the process of loading and unloading equipment, and the operation process is not convenient enough.

In order to achieve the purpose, the invention adopts the following technical scheme:

a transportation device for ocean engineering structures comprises a transportation device main body, wherein a lifting cavity is formed in the top of the transportation device main body, a lifting plate mechanism is slidably mounted in the lifting cavity, a containing groove is formed in the transportation device main body, a sliding plate is slidably mounted in the containing groove, a lifting transmission mechanism is arranged in the containing groove, the top of the sliding plate is fixedly connected with a coping, the sliding plate is matched with the lifting transmission mechanism, a mounting through hole is formed in the sliding plate, a warning lamp plate is arranged in the mounting through hole, a warning slogan is arranged on the warning lamp plate, horizontal fixing columns are fixedly connected to two sides of the transportation device main body, amphibious mechanisms are arranged on the two horizontal fixing columns, a rectangular shell is fixedly connected to one side of the transportation device main body, one ends of the two horizontal fixing columns are fixedly connected with the rectangular shell, and a motor shell is fixedly connected to one side of the rectangular shell, a motor cavity is formed in the motor shell, a forward and reverse rotating motor is fixedly mounted on the inner wall of one side of the motor cavity, the forward and reverse rotating motor is matched with the lifting plate mechanism, the lifting transmission mechanism and the amphibious mechanism, the front end of the conveying device main body is fixedly connected with a connecting block, and a traction ring is fixedly connected onto the connecting block.

Preferably, the lifter plate mechanism includes slidable mounting in the lifter plate of lift intracavity, has all seted up first spout on the both sides inner wall in lift chamber, and equal slidable mounting has first slider in two first spouts, and one side that two first sliders are close to each other respectively with the both sides fixed connection of lifter plate, first slider can be along the displacement of first spout.

Preferably, the lifting plate mechanism further comprises a second sliding groove arranged on the inner wall of the bottom of the lifting cavity, two second sliding blocks are arranged in the second sliding groove in a sliding mode, a bidirectional screw rod is installed in the second sliding groove in a rotating mode, first threaded holes are formed in the two second sliding blocks, the bidirectional screw rod is installed in the two threaded holes in a rotating mode, and the bidirectional screw rod can drive the two second sliding blocks to move reversely through the first threaded holes.

Preferably, the top of two second sliders is fixedly connected with a first rotating seat, the bottom of the lifting plate is symmetrically provided with two second rotating seats, the two first rotating seats are rotatably provided with transmission rods, the other ends of the two transmission rods are rotatably connected with the two second rotating seats respectively, and the first rotating seats can drive the second rotating seats to move through the transmission rods.

Preferably, a transmission cavity is formed in the rectangular shell, a first rotary rod is installed in the transmission cavity in a rotating mode, one end of the first rotary rod extends into the motor cavity and is welded with an output shaft of the forward and reverse rotating motor, and the forward and reverse rotating motor can rotate through the first rotary rod.

Preferably, the first bevel gear is fixedly sleeved on the outer side of the first rotating rod, one end of the bidirectional screw rod penetrates through the accommodating groove, extends into the transmission cavity and is fixedly connected with a second bevel gear, the second bevel gear is meshed with the first bevel gear, and the first bevel gear can drive the second bevel gear to rotate.

Preferably, the lifting transmission mechanism comprises third sliding grooves formed in the inner walls of the two sides of the accommodating groove, third sliding blocks are arranged in the two third sliding grooves in a sliding mode, one sides of the two third sliding blocks are fixedly connected with the two sides of the sliding plate respectively, threaded rods are arranged in the two third sliding grooves in a rotating mode, second threaded holes are formed in the two third sliding blocks, the two threaded rods are arranged in the two threaded holes in a threaded mode respectively, and the threaded rods can drive the third sliding blocks to move through the second threaded holes.

Preferably, the bottom ends of the two threaded rods are fixedly connected with third bevel gears, the two fourth bevel gears are fixedly sleeved on the outer sides of the two-way screw rods and are meshed with the two third bevel gears respectively, and the fourth bevel gears can drive the third bevel gears to rotate.

Preferably, amphibious mechanism is including offering two recesses on the horizontal fixed column, and same second rotary rod is installed to two recess internal rotations, all is provided with the support column in two recesses, and the outside of second rotary rod is located to the equal fixed cover of two support columns, and the equal fixedly connected with wheel in bottom of two support columns, and is provided with same kickboard on two support columns, and the ninety degree upset of support column can be driven to the second rotary rod.

Preferably, one end of the second rotating rod extends into the transmission cavity and is fixedly connected with a worm wheel, two worms are fixedly sleeved on the outer side of the first rotating rod, the worms are meshed with the worm wheel, and the worms can drive the worm wheel to rotate.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the scheme, the worm is matched with the worm wheel, the second rotating rod is matched with the wheels through the supporting columns, and the supporting columns are matched with the floating plate, so that the transportation device main body has amphibious action capacity, the wheels can be put down on land for transfer, the wheels can be folded when the transportation device is on the sea, and meanwhile, the buoyancy and the transportation stability can be further improved through the wheels and the floating plate;

2. according to the scheme, the first bevel gear is matched with the second bevel gear, the bidirectional screw rod is matched with the second sliding block through the first threaded hole, and the first rotating seat is matched with the second rotating seat and the lifting plate through the transmission rod, so that the lifting plate is convenient to lift, the loading and unloading transfer of equipment is convenient, and meanwhile, the gravity center can be reduced and the stability can be improved when the lifting plate is on the sea;

3. according to the scheme, the bidirectional screw rod and the fourth bevel gear are matched with the third bevel gear, the threaded rod is matched with the third sliding block through the second threaded hole, so that the warning lamp plate capable of being stored in a lifting mode is arranged on the transportation device body, the transportation device can be stored when equipment is assembled and disassembled, the transportation device is prevented from being damaged, the transportation device can be started on the sea surface, and a visible marking signal is provided when the visibility of the sea surface is low;

the amphibious vehicle has amphibious action capability, is convenient to directly move to a proper place for loading and unloading equipment, further improves the efficiency of loading and unloading the equipment through the lifting plate, improves the stability during transportation, and can provide effective signals and improve the safety during transportation by the aid of the storable warning lamp with high protection performance.

Drawings

Fig. 1 is a schematic top view of a transportation device for marine engineering structures according to the present invention;

FIG. 2 is a schematic cross-sectional view taken along line E-E in FIG. 1 of a marine engineering structure transportation device according to the present invention;

FIG. 3 is a schematic cross-sectional view taken along line F-F in FIG. 1 of a marine engineering structure transportation device according to the present invention;

fig. 4 is an enlarged schematic structural diagram of a part a in fig. 2 of the marine engineering structure transportation device according to the present invention;

fig. 5 is an enlarged schematic structural diagram at B in fig. 3 of the marine engineering structure transportation device according to the present invention;

fig. 6 is a schematic perspective view of a sliding plate of the marine engineering structure transportation device according to the present invention.

In the figure: the device comprises a transportation device body, a lifting cavity, a receiving groove, a sliding plate, a top pressing part, a mounting through hole, a warning lamp plate, a warning slogan, a horizontal fixing column 9, a rectangular shell 10, a motor shell 11, a forward and reverse motor 12, a lifting plate 13, a first sliding chute 14, a first sliding block 15, a second sliding chute 16, a second sliding block 17, a bidirectional screw rod 18, a first rotating seat 19, a second rotating seat 20, a transmission rod 21, a motor cavity 22, a transmission cavity 23, a first rotating rod 24, a first bevel gear 25, a second bevel gear 26, a third sliding chute 27, a third sliding block 28, a threaded rod 29, a third bevel gear 30, a fourth bevel gear 31, a groove 32, a second rotating rod 33, a supporting column 34, a wheel 35, a floating plate 36, a worm gear 37, a worm 38, a connecting block 39 and a traction ring 40.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-6, an ocean engineering structure transportation device comprises a transportation device main body 1, a lifting cavity 2 is arranged at the top of the transportation device main body 1, a lifting plate mechanism is arranged in the lifting cavity 2 in a sliding manner, a containing groove 3 is arranged on the transportation device main body 1, a sliding plate 4 is arranged in the containing groove 3 in a sliding manner, a lifting transmission mechanism is arranged in the containing groove 3, the top of the sliding plate 4 is fixedly connected with a pressing top 5 through welding, the sliding plate 4 is matched with the lifting transmission mechanism, an installation through hole 6 is arranged on the sliding plate 4, a warning lamp plate 7 is arranged in the installation through hole 6, a warning slogan 8 is arranged on the warning lamp plate 7, horizontal fixing columns 9 are fixedly connected at two sides of the transportation device main body 1 through welding, amphibious mechanisms are arranged on the two horizontal fixing columns 9, one side of the transportation device main body 1 is fixedly connected with a rectangular shell 10 through welding, the one end of two horizontal fixing columns 9 all passes through welded fastening with rectangle casing 10 and is connected, welded fastening is passed through to one side of rectangle casing 10 and is connected with motor casing 11, motor chamber 22 has been seted up in the motor casing 11, there is positive reverse rotation motor 12 through bolt fixed mounting on one side inner wall of motor chamber 22, positive reverse rotation motor 12 and lifter plate mechanism, lift drive mechanism and amphibious mechanism cooperate, welded fastening is connected with connecting block 39 is passed through to the front end of conveyer main part 1, pass through welded fastening and be connected with traction ring 40 on the connecting block 39.

In this embodiment, lifter plate mechanism includes slidable mounting in lift 2 intracavity lifter plate 13, has all seted up first spout 14 on the both sides inner wall in lift 2 intracavity, and equal slidable mounting has first slider 15 in two first spouts 14, and one side that two first sliders 15 are close to each other is passed through welded fastening with lifter plate 13's both sides respectively and is connected, and first slider 15 can be along the displacement of first spout 14.

In this embodiment, the lifting plate mechanism further includes a second chute 16 arranged on the inner wall of the bottom of the lifting cavity 2, two second sliding blocks 17 are arranged in the second chute 16 in a sliding manner, a bidirectional screw rod 18 is arranged in the second chute 16 in a rotating manner, first threaded holes are formed in the two second sliding blocks 17, the bidirectional screw rod 18 is rotatably arranged in the two threaded holes, and the bidirectional screw rod 18 can drive the two second sliding blocks 17 to perform reverse displacement through the first threaded holes.

In this embodiment, the tops of the two second sliding blocks 17 are all connected with a first rotating base 19 through welding and fixing, the bottom of the lifting plate 13 is symmetrically provided with two second rotating bases 20, the two first rotating bases 19 are all rotatably provided with transmission rods 21, the other ends of the two transmission rods 21 are rotatably connected with the two second rotating bases 20 respectively, and the first rotating bases 19 can drive the second rotating bases 20 to displace through the transmission rods 21.

In this embodiment, a transmission cavity 23 is formed in the rectangular housing 10, a first rotating rod 24 is rotatably mounted in the transmission cavity 23, one end of the first rotating rod 24 extends into the motor cavity 22 and is welded to an output shaft of the forward-reverse motor 12, and the forward-reverse motor 12 can rotate the first rotating rod 24.

In this embodiment, the outer side of the first rotating rod 24 is fixedly sleeved with a first bevel gear 25, one end of the bidirectional screw rod 18 penetrates through the accommodating groove 3, extends into the transmission cavity 23 and is fixedly connected with a second bevel gear 26 through welding, the second bevel gear 26 is meshed with the first bevel gear 25, and the first bevel gear 25 can drive the second bevel gear 26 to rotate.

In this embodiment, lifting drive mechanism is including seting up the third spout 27 on accomodating 3 both sides inner walls in the groove, equal slidable mounting has third slider 28 in two third spouts, one side of two third sliders 28 is respectively through welded fastening with the both sides of sliding plate 4 and is connected, threaded rod 29 is installed all to rotate in two third spouts 27, the second screw hole has all been seted up on two third sliders 28, two threaded rod 29 difference threaded mounting are in two threaded holes, threaded rod 29 can drive the displacement of third slider 28 through the second screw hole.

In this embodiment, the bottom ends of the two threaded rods 29 are fixedly connected with third bevel gears 30 by welding, the outer sides of the bidirectional threaded rods 18 are provided with two fourth bevel gears 31 by welding, the two fourth bevel gears 31 are respectively engaged with the two third bevel gears 30, and the fourth bevel gears 31 can drive the third bevel gears 30 to rotate.

In this embodiment, amphibious mechanism is including offering two recesses 32 on horizontal fixed column 9, and same second rotary rod 33 is installed to two recess 32 internal rotations, all is provided with support column 34 in two recesses 32, and two support columns 34 all locate the outside of second rotary rod 33 through the fixed cover of welding, and the bottom of two support columns 34 all is through welding fixedly connected with wheel 35, and is provided with same kickboard 36 on two support columns 34, and second rotary rod 33 can drive the ninety degree upset of support column 34.

In this embodiment, one end of the second rotating rod 33 extends into the transmission cavity 23 and is fixedly connected with a worm wheel 37 by welding, two worms 38 are fixedly sleeved outside the first rotating rod 24, the worms 38 are meshed with the worm wheel 37, and the worms 38 can drive the worm wheel 37 to rotate.

In this embodiment, the transportation device main body 1 can move on the shore through the wheels 35, and can move to a designated place for loading and unloading equipment by being pulled by the pulling device and the pulling ring 40, the equipment is placed on the lifting plate 13, then the transportation device main body 1 is transferred to a shallow water area, then the forward and reverse motor 12 is started, the output shaft of the forward and reverse motor 12 drives the first rotating rod 24 to rotate, the first rotating rod 24 synchronously drives the first bevel gear 25 and the worm 38 to rotate, the worm 38 drives the second rotating rod 33 to rotate, the second rotating rod 33 drives the supporting column 34, the wheels 35 and the floating plate 36 to turn to a horizontal angle, so that the wheels 35 and the floating plate 36 provide certain buoyancy and stability, meanwhile, the first bevel gear 25 drives the second bevel gear 26 to rotate, the second bevel gear 26 drives the bidirectional screw rod 18 to rotate, the bidirectional screw rod 18 drives the second slider 17 to displace through the first threaded hole, second slider 17 is through first roating seat 19, transfer line 22 and second roating seat 20 drive lifter plate 13 and descend, make the focus of equipment reduce, stability during the promotion transportation, two-way lead screw 18 drives fourth bevel gear 31 and rotates simultaneously, fourth bevel gear 31 drives third bevel gear 30 and rotates, third bevel gear 30 drives threaded rod 29 and rotates, threaded rod 29 drives third slider 28 through the second screw hole and slides, third slider 28 drives sliding plate 4 upward displacement, thereby make sliding plate 4 drive warning lamp plate 7 extend out, can effectually provide the position of conveyer main part 1 when visibility is lower.

Example two

The difference from the first embodiment is that: the equal fixedly connected with third bevel gear 30 in bottom of two threaded rods 29, the fixed cover in the outside of two-way lead screw 18 is equipped with two fourth bevel gear 31, two fourth bevel gear 31 mesh with two third bevel gear 30 respectively mutually, the cavity has been seted up in the sliding plate 4, fixed mounting has the motor on one side inner wall of cavity, the welding has the rotation axis on the output shaft of motor, the one end of rotation axis extend to in the installation opening and with the bottom fixed connection of warning lamp plate.

In the invention, a transportation device main body 1 can move on shore through a wheel 35, can move to a designated place to load and unload equipment by being pulled through a pulling device and a pulling ring 40, places the equipment on a lifting plate 13, then transfers the transportation device main body 1 to a shallow water area, then starts a forward and reverse rotation motor 12, an output shaft of the forward and reverse rotation motor 12 drives a first rotating rod 24 to rotate, the first rotating rod 24 synchronously drives a first bevel gear 25 and a worm 38 to rotate, the worm 38 drives a second rotating rod 33 to rotate, the second rotating rod 33 drives a supporting column 34, the wheel 35 and a floating plate 36 to turn to a horizontal angle, so that the wheel 35 and the floating plate 36 provide certain buoyancy and stability, meanwhile, the first bevel gear 25 drives a second bevel gear 26 to rotate, the second bevel gear 26 drives a bidirectional screw rod 18 to rotate, and the bidirectional screw rod 18 drives a second sliding block 17 to displace through a first threaded hole, second slider 17 is through first roating seat 19, transfer line 22 and second roating seat 20 drive lifter plate 13 and descend, make the focus of equipment reduce, stability during the promotion transportation, two-way lead screw 18 drives fourth bevel gear 31 and rotates simultaneously, fourth bevel gear 31 drives third bevel gear 30 and rotates, third bevel gear 30 drives threaded rod 29 and rotates, threaded rod 29 drives third slider 28 through the second screw hole and slides, third slider 28 drives sliding plate 4 upwards displacement, thereby make sliding plate 4 drive warning lamp plate 7 extend out, can effectually provide the position of conveyer main part 1 when visibility is lower, and can the starter motor, the output shaft of motor passes through the rotation axis and drives warning lamp plate 7 and rotate, further promotion warning lamp plate 7's effect.

The rest is the same as the first embodiment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.