Crane walking safety warning projection device

Abstract

The utility model relates to the technical field of crane safety equipment, and discloses a crane walking safety warning projection device which comprises a crane cross beam and a crane suspension arm installed at one end of the crane cross beam, an installation disc is arranged on the outer side of the crane suspension arm, and an LED lamp body is fixedly arranged on the outer surface of a PCB. A light changing unit is arranged on the side, away from the crane jib, of the wide-angle lens and comprises a first light shielding cover fixedly arranged on the bottom end face of the mounting disc. And a driving unit is mounted in the mounting disc. According to the crane walking safety warning projection device, the mounting disc is annularly arranged on the outer side of the crane jib, so that a projection picture can surround the working range of the crane, ground personnel are warned in advance when the crane walks, and meanwhile, the driving motor drives the transmission wheel to rotate; light rays can be intermittently emitted through the second light holes and the first light holes, so that the flickering effect is achieved, ground personnel are effectively prompted, and the warning effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of crane safety equipment, concretely to a crane walking safety warning projection device. BACKGROUND

[0002] The crane refers to the multi -action hoisting machinery of vertical promotion and horizontal handling heavy object in a certain range, also called the sky car, the navigation suspension or the crane, generally includes fixed type and mobile type two, wherein, walking type crane belongs to the common material handling machinery.

[0003] In order to improve the use safety of crane, the walking type crane of most in the market at present installs safety warning projection device, projects warning picture to ground through illumination device, reminds ground personnel to avoid in time.

[0004] However, the existing crane walking safety warning projection device mostly adopts the projection of whole surface illumination, and the projection forming position is difficult to effectively surround the crane working range, and the projection picture is fixed, the warning effect to ground personnel is poor, and further there is certain use defect, therefore, we propose a crane walking safety warning projection device to solve the problems in the above. UTILITY MODEL CONTENTS

[0005] The utility model discloses a crane walking safety warning projection device, to solve the problem that the existing crane walking safety warning projection device mostly adopts the projection of whole surface illumination in the above background art, and the projection forming position is difficult to effectively surround the crane working range, and the projection picture is fixed, the warning effect to ground personnel is poor.

[0006] To achieve the above object, the utility model provides the following technical scheme: a crane walking safety warning projection device, including crane crossbeam and the crane jib of installing in crane crossbeam one end, the outside of crane jib is provided with the mounting disc, the bottom end surface fixed mounting of mounting disc has the PCB line board, and the outer surface fixed setting of PCB line board has LED lamp body;

[0007] The outside of LED lamp body is provided with wide -angle lens, and the wide -angle lens is provided with the light -changing unit away from crane jib side, the light -changing unit includes the first sunshade fixed setting in the bottom end surface of mounting disc, the light -changing unit still includes the second sunshade of setting in the outside of first sunshade, and the outer surface fixed setting of second sunshade has the link ring;

[0008] The inside of mounting disc is installed with drive unit, and the drive unit includes the drive motor fixed installation in the top end surface of mounting disc through bolt structure, the drive unit still includes the transmission wheel of fixed connection in the output of drive motor.

[0009] As the preferred technical scheme of the utility model, the outer surface of the crane boom is fixedly provided with a fixed block in a symmetrical manner, and the fixed block is connected with the mounting disc through a bolt structure and plays a role of fixed connection between the crane boom and the mounting disc.

[0010] As the preferred technical scheme of the utility model, the mounting disc, the wide-angle lens and the light changing unit are arranged on the outer side of the crane boom in a ring shape, the light changing unit further comprises a first light transmission hole which is evenly arranged in the first light shield cover, and the outer surface of the first light shield cover is fixedly provided with a first connecting ring.

[0011] As the preferred technical scheme of the utility model, the light changing unit further comprises a second light transmission hole which is evenly arranged in the second light shield cover, and the first light transmission hole and the second light transmission hole are correspondingly arranged inside and outside.

[0012] As the preferred technical scheme of the utility model, the second light shield cover is fixedly provided with a second connecting ring on the outer surface of one end close to the first light shield cover, and steel balls are evenly distributed between the second connecting ring and the first connecting ring.

[0013] As the preferred technical scheme of the utility model, the second light shield cover is rotatably arranged on the outer side of the first light shield cover through the first connecting ring, the second connecting ring and the steel balls.

[0014] As the preferred technical scheme of the utility model, the outer end surface of the connecting ring is uniformly provided with a convex tooth structure, the transmission wheel is rotatably connected to the bottom end surface of the mounting disc, and the transmission wheel is meshingly connected with the connecting ring through the convex tooth structure.

[0015] As the preferred technical scheme of the utility model, the outer surface of the first connecting ring and the second connecting ring is provided with an arc-shaped groove structure matched with the steel balls, and the steel balls are rotatably connected between the first connecting ring and the second connecting ring through the arc-shaped groove structure.

[0016] Compared with the prior art, the crane walking safety warning projection device has the advantages that the mounting disc is arranged on the outer side of the crane boom in a ring shape, the projection picture can surround the working range of the crane, ground personnel can be warned in advance when the crane is walking, meanwhile, the driving motor drives the transmission wheel to rotate, the light can be intermittently emitted through the second light transmission hole and the first light transmission hole, the flashing effect is caused, the ground personnel can be effectively prompted, and the warning effect is better.

[0017] 1. The utility model discloses a ring-shaped installation disc, wide-angle lens and light changing unit are arranged on the outside of crane boom, LED lamp body emits light and refracts through wide-angle lens, and the projection is ring-shaped and irradiated on the ground, surrounds the position under crane boom, thereby can make the projection in advance irradiate to the crane boom moving position when the crane walks, and the ground personnel is warned in advance.

[0018] 2. The first light -shielding cover and second light -shielding cover are evenly provided with first light -transmitting hole and second light -transmitting hole respectively, the light emitted by LED lamp body in the covered range of first light -shielding cover and second light -shielding cover is shielded, and the light emitted through first light -transmitting hole and second light -transmitting hole is equiangular distribution spot.

[0019] Further, the driving motor drives the transmission wheel to rotate, and the transmission wheel drives the second light -shielding cover to rotate around the axis of wide-angle lens outside the first light -shielding cover, since the second light -transmitting hole rotates around the axis of wide-angle lens below the first light -transmitting hole, further can make the light intermittent emission through second light -transmitting hole and first light -transmitting hole, causes the flickering effect, thereby can effectively prompt the ground personnel, and the warning effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the whole structure schematic diagram of crane boom and installation disc connection of the utility model;

[0022] Figure 3 It is the structure schematic diagram of installation disc and light changing unit connection cut state of the utility model;

[0023] Figure 4 It is the utility model Figure 3 Amplification structure schematic diagram of place in the utility model.

[0024] In the drawing: 1, crane beam; 2, crane boom; 3, fixed block; 4, installation disc; 5, PCB circuit board; 6, LED lamp body; 7, wide-angle lens; 800, light changing unit; 801, first light -shielding cover; 802, first light -transmitting hole; 803, second light -shielding cover; 804, second light -transmitting hole; 805, link ring; 900, drive unit; 901, driving motor; 902, transmission wheel; 10, first connecting ring; 11, second connecting ring; 12, steel ball. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Please refer to Figures 1-4 The utility model provides technical scheme: a crane walking safety warning projection device, including crane beam 1 and the crane jib 2 of installing in one end of crane beam 1, the outside of crane jib 2 is provided with mounting disc 4, the bottom end surface of mounting disc 4 is fixedly installed with PCB circuit board 5, and the outer surface of PCB circuit board 5 is fixedly provided with LED lamp body 6, in combination Figure 1 With Figure 2 The outer surface of crane jib 2 is fixedly provided with fixed block 3 in a symmetrical mode, and the fixed block 3 is connected with mounting disc 4 through bolt structure and plays a role of fixed connection of crane jib 2 and mounting disc 4, and the projection device can be detached from the outside of crane by splitting fixed block 3 and mounting disc 4.

[0027] Specifically as Figure 1 And Figure 3 Indicated, the light emitted by LED lamp body 6 is projected to the ground below crane jib 2, the outside of LED lamp body 6 is provided with wide-angle lens 7, and the side, away from crane jib 2, of wide-angle lens 7 is provided with light variation unit 800, and mounting disc 4, wide-angle lens 7 and light variation unit 800 are all arranged in the ring shape on the outside of crane jib 2, so that the projection is projected in the ring shape on the ground, surrounds the position below crane jib 2, so that the warning projection can be projected to the safety warning position before crane jib 2 reaches, and the ground personnel is warned in advance, the light is dispersed through wide-angle lens 7, and the role of expanding the irradiation range is played.

[0028] In combination Figure 3 With Figure 4 Indicated, light variation unit 800 includes first light shield 801 fixedly arranged at the bottom end surface of mounting disc 4, the inside of first light shield 801 is uniformly provided with first light transmission hole 802, light variation unit 800 further includes second light shield 803 arranged at the outside of first light shield 801, the inside of second light shield 803 is uniformly provided with second light transmission hole 804, and the inside and outside of first light transmission hole 802 and second light transmission hole 804 are correspondingly arranged, as Figure 3As shown in the first light shield 801 and the second light shield 803 cover range, the light of the wide-angle lens 7 is blocked, the first light shield 801 and the second light shield 803 are not covered range, the light of the LED lamp body 6 is emitted through the wide-angle lens 7 and directly emitted, and the light emitted by the first light shield 801 and the second light shield 803 is distributed in the form of equal angle distribution spot;

[0029] Further, since the driving unit 900 is installed in the inside of the mounting disc 4, the driving unit 900 comprises a driving motor 901 fixedly installed on the top end face of the mounting disc 4 through a bolt structure, and the output end of the driving motor 901 is fixedly connected with a transmission wheel 902, and the transmission wheel 902 is rotatably connected to the bottom end face of the mounting disc 4, and the outer surface of the second light shield 803 is fixedly provided with an engaging ring 805, and the outer end face of the engaging ring 805 is uniformly provided with a convex tooth structure, and the transmission wheel 902 is engagedly connected with the engaging ring 805 through the convex tooth structure, and the driving motor 901 drives the transmission wheel 902 to rotate, so that the transmission wheel 902 drives the second light shield 803 to rotate around the axis of the wide-angle lens 7 outside the first light shield 801;

[0030] Specifically, as shown in the first light shield 801 and the second light shield 803 cover range, the light of the wide-angle lens 7 is blocked, the first light shield 801 and the second light shield 803 are not covered range, the light of the LED lamp body 6 is emitted through the wide-angle lens 7 and directly emitted, and the light emitted by the first light shield 801 and the second light shield 803 is distributed in the form of equal angle distribution spot; Figure 3 and Figure 4 Specifically, as shown in the first light shield 801 and the second light shield 803 cover range, the light of the wide-angle lens 7 is blocked, the first light shield 801 and the second light shield 803 are not covered range, the light of the LED lamp body 6 is emitted through the wide-angle lens 7 and directly emitted, and the light emitted by the first light shield 801 and the second light shield 803 is distributed in the form of equal angle distribution spot;

[0031] The working principle of the crane walking safety warning projection device is as follows: when the crane walking safety warning projection device is used, the mounting disc 4, the wide-angle lens 7 and the light changing unit 800 are arranged outside the crane boom 2 in a ring shape, the LED lamp body 6 emits light which is refracted through the wide-angle lens 7, so that the projection is ring-shaped and irradiated on the ground, and surrounds the position below the crane boom 2, so that the projection can be irradiated to the moving position of the crane boom 2 in advance when the crane is walking, and ground personnel can be warned in advance;

[0032] Specifically as Figure 1 As shown in the first light shield 801 and the second light shield 803 within the first light transmission hole 802 and the second light transmission hole 804 are respectively and evenly opened, the wide-angle lens 7 is covered by the first light shield 801 and the second light shield 803, the light emitted by the LED lamp body 6 is shielded, the light emitted by the wide-angle lens 7 covered by the first light shield 801 and the second light shield 803 is in the form of spot with equal angle distribution, the transmission wheel 902 is driven to rotate by the driving motor 901, the second light shield 803 is driven by the transmission wheel 902 to rotate around the axis of the wide-angle lens 7 outside the first light shield 801, since the second light transmission hole 804 rotates and moves around the axis of the wide-angle lens 7 below the first light transmission hole 802, the light can be intermittently emitted through the second light transmission hole 804 and the first light transmission hole 802, the flickering effect is caused, and thus the ground personnel can be effectively prompted.

[0033] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, the technical scheme recorded in the foregoing embodiments can still be modified, or part of the technical features can be replaced, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A crane walking safety warning projection device, comprising a crane beam (1) and a crane jib (2) mounted at one end of the crane beam (1), characterized in that: The outer side of the crane boom (2) is provided with a mounting disc (4), the bottom end surface of the mounting disc (4) is fixedly provided with a PCB circuit board (5), and the outer surface of the PCB circuit board (5) is fixedly provided with an LED lamp body (6); The outer side of the LED lamp body (6) is provided with a wide-angle lens (7), and the wide-angle lens (7) is provided with a dimming unit (800) away from the side of the crane boom (2), the dimming unit (800) comprises a first light shield (801) fixedly arranged on the bottom end surface of the mounting disc (4), and the dimming unit (800) further comprises a second light shield (803) arranged on the outer side of the first light shield (801), and the outer surface of the second light shield (803) is fixedly provided with a connecting ring (805); The inside of the mounting disc (4) is provided with a driving unit (900), the driving unit (900) comprises a driving motor (901) fixedly arranged on the top end surface of the mounting disc (4) through a bolt structure, and the driving unit (900) further comprises a transmission wheel (902) fixedly connected to the output end of the driving motor (901).

2. The crane travel safety warning projection device according to claim 1, characterized in that: The outer surface of the crane boom (2) is fixedly provided with a fixed block (3) in a symmetrical manner, and the fixed block (3) is connected with the mounting disc (4) through a bolt structure and plays a role of fixed connection between the crane boom (2) and the mounting disc (4).

3. The crane travel safety warning projection device according to claim 1, characterized in that: The mounting disc (4), the wide-angle lens (7) and the dimming unit (800) are arranged in a ring shape on the outer side of the crane boom (2), the dimming unit (800) further comprises a first light transmission hole (802) opened in the first light shield (801) at equal angles, and the outer surface of the first light shield (801) is fixedly provided with a first connecting ring (10).

4. The crane travel safety warning projection device according to claim 3, characterized in that: The dimming unit (800) further comprises a second light transmission hole (804) uniformly opened in the second light shield (803), and the first light transmission hole (802) and the second light transmission hole (804) are correspondingly arranged inside and outside.

5. The crane travel safety warning projection device according to claim 4, characterized in that: The outer surface of the second light shield (803) is fixedly provided with a second connecting ring (11) close to one end of the first light shield (801), and the first connecting ring (10) and the second connecting ring (11) are uniformly distributed with steel balls (12) therebetween.

6. A crane travel safety warning projection device according to claim 5, characterized in that: The second light shield (803) is rotatably arranged on the outer side of the first light shield (801) through the first connecting ring (10), the second connecting ring (11) and the steel balls (12).

7. A crane travel safety warning projection device according to claim 6, characterized in that: The outer end surface of the connecting ring (805) is uniformly provided with a convex tooth structure, the transmission wheel (902) is rotatably connected to the bottom end surface of the mounting disc (4), and the transmission wheel (902) is rotatably connected to the mounting disc (4) through the convex tooth structure.

8. The crane travel safety warning projection device of claim 6, wherein: The outer surfaces of the first connecting ring (10) and the second connecting ring (11) are provided with a circular-arc groove structure matched with the steel balls (12), and the steel balls (12) are rotatably connected between the first connecting ring (10) and the second connecting ring (11) through the circular-arc groove structure.

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