An alarm warning device used at the gate of a construction site in an urban area

Abstract

The present invention relates to the technical field related to safety protection of urban construction projects, and specifically to an alarm warning device applied to the gate of an urban project construction site. The alarm warning device applied to the gate of an urban project construction site comprises a mounting rod, an infrared rangefinder, a display screen and an alarm. The mounting rod is fixedly installed inside a green belt, the infrared rangefinder is fixed in a dustproof box, and the dustproof box is fixed on the project gate at the edge of the construction site, the display screen is fixed on the upper side end of the mounting rod, and the display screen is located directly above the sidewalk, and the alarm is fixed on the side wall of the mounting rod. By setting the alarm warning device composed of the mounting rod, the infrared rangefinder, the display screen and the alarm, a loaded truck traveling out of the construction site is monitored, and pedestrians on the sidewalk are warned by the display screen and the alarm, thereby improving the driving safety of the loaded truck at the project gate position on the construction site.

Description

Technical Field

[0001] The present invention relates to the technical field related to safety protection of urban construction projects, and in particular to an alarm warning device applied to a gate entrance of a construction site of an urban project. Background Art

[0002] Construction refers to the production activities in the implementation stage of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction, etc. The place where the construction work takes place is also called a construction site;

[0003] At present, some construction projects are located in the city center or on the boundary of the road. The proportion of pedestrians who are addicted to their phones is gradually increasing. When the construction site is transporting earth and stone or conveying concrete, it is easy to collide with pedestrians and vehicles at the gate of the construction site, thereby causing accidents, causing adverse effects on the company and affecting the progress of the project. For this reason, the present invention proposes an alarm warning device applied to the gate of a construction site in an urban area to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide an alarm warning device for use at the gate of a construction site in an urban area to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: an alarm warning device applied to the gate of a construction site in an urban area, the alarm warning device applied to the gate of a construction site in an urban area comprises:

[0006] A mounting rod, wherein the mounting rod is fixedly installed inside the green belt;

[0007] An infrared rangefinder, wherein the infrared rangefinder is fixed in a dustproof box, and the dustproof box is fixed on the project gate at the edge of the construction site;

[0008] A display screen is fixed to the upper side end of the mounting rod, and the display screen is located directly above the sidewalk;

[0009] an alarm, wherein the alarm is fixed to a side wall of the mounting rod;

[0010] The infrared rangefinder, display screen and alarm are all connected with the control module through electrical signals.

[0011] Preferably, the distance between the lower side of the display screen and the ground shall not be less than two and a half meters, and the outer side of the project gate is a sidewalk, and the outer side of the green belt is a main highway.

[0012] Preferably, an air inlet is provided at the rear end of the lower side of the dust box, and the infrared rangefinder is fixed to the front end of the dust box by a primary positioning bracket, and an exhaust fan is fixed to the rear end of the dust box by a secondary positioning bracket, and a dust filter is fixedly installed at a position between the exhaust fan and the air inlet in the inner cavity of the dust box. When the exhaust fan is in operation, the gas in the dust box flows from the direction of the air inlet to the direction of the front port of the dust box.

[0013] Preferably, the air inlet of the dustproof box is connected to a pre-filter box through an air inlet duct, the pre-filter box is a rectangular channel structure, and a dustproof partition is provided on the lower side of the inner cavity of the pre-filter box, the dustproof partition is evenly arranged in multiple layers, and the width of the dustproof partition is three-fifths of the height of the inner cavity of the pre-filter box.

[0014] Preferably, a first-level rotating hole is opened on the side wall of the pre-filter box, the first-level rotating hole is staggered with the dust-proof partition, and a dust removal component is rotatably installed in the first-level rotating hole, the dust removal component is composed of a rotating frame and a dust removal yarn combination, the two sides of the rotating frame are rotatably installed through a first-level rotating shaft, the two sides of the dust removal yarn are respectively fixedly connected to the two side walls of the inner frame of the rotating frame, and the dust removal yarn is staggered in multiple layers.

[0015] Preferably, a movable hole is opened on the dustproof partition, and a movable rod is movably installed in the movable hole. The cross-section of the movable rod is rectangular, and a push rod is fixedly connected to the upper surface of the movable rod. A return spring is fixedly installed on the front end of the lower side surface of the rotating frame, and the return spring is arranged to resist the dustproof partition.

[0016] Preferably, a secondary rotating shaft is rotatably mounted on the side wall of the pre-filter box, the secondary rotating shaft is driven by a reduction motor, a wheel disc is fixedly mounted on the secondary rotating shaft, a primary protrusion is integrally formed on the edge of the wheel disc, a secondary protrusion is fixedly connected to the upper surface of the movable rod, and the secondary protrusion is arranged corresponding to the primary protrusion.

[0017] Preferably, a primary guide rod seat is fixedly installed on the inner side wall of the pre-filter box, the front side end of the movable rod is fixedly connected to the primary top plate, and the front end of the primary top plate is fixedly connected to the primary guide rod, a primary return spring and a primary movable ring are sleeved on the primary guide rod, the primary movable ring is fixedly connected to the primary top plate through the primary return spring, and the primary guide rod movably passes through the primary guide rod seat, and when the primary return spring is in a reset state, its secondary protrusion has an interference effect on the primary protrusion, and after the primary return spring is compressed, its secondary protrusion has no interference effect on the primary protrusion.

[0018] Preferably, a self-cleaning port is provided on the lower side of the pre-filter box, and a sealing plate is provided at the position of the self-cleaning port, secondary guide rods are fixed at the four corner positions of the sealing plate, a secondary top plate is fixed to the upper end of the secondary guide rod, and a secondary return spring and a secondary movable ring are movably provided on the secondary guide rod, the secondary movable ring is connected to the secondary top plate through the secondary return spring, a secondary guide rod seat is fixed on the side wall of the pre-filter box, the secondary guide rod is movably mounted on the secondary guide rod seat, and the secondary movable ring is set against the secondary guide rod seat, and when the secondary return spring is in a reset state, its sealing plate is embedded in the self-cleaning port, and the edge of the self-cleaning port is set at an angle.

[0019] Preferably, a primary wedge block is fixedly connected to the lower side of the movable rod, and a secondary wedge block is fixedly connected to the upper surface of the sealing plate. The secondary wedge block is arranged corresponding to the primary wedge block, and when the primary protrusion and the secondary protrusion are subjected to force against each other, the primary wedge block and the secondary wedge block are subjected to force, and at this time, the sealing plate moves downward, and the self-cleaning port opens.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. By setting up an alarm warning device composed of a mounting pole, an infrared rangefinder, a display screen and an alarm, the loading trucks driving out of the construction site can be monitored, and pedestrians on the sidewalk can be warned through the display screen and the alarm, thereby improving the driving safety of loading trucks at the project gate position on the construction site;

[0022] 2. The infrared rangefinder is placed in a dustproof box, and an exhaust fan and a dust filter are placed in the dustproof box. The exhaust fan is operated to allow the gas in the dustproof box to flow from the back side to the front side of the dustproof box, thereby preventing dust from entering the dustproof box and affecting the normal monitoring of the infrared rangefinder, thereby ensuring the operational reliability of the alarm device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the present invention;

[0024] Figure 2 This is a view showing the positions of the dustproof box and the pre-filter box of the present invention;

[0025] Figure 3 A half-section view of the dustproof box and the pre-filter box of the present invention;

[0026] Figure 4 for Figure 3 A schematic diagram of the structure enlargement in the middle;

[0027] Figure 5 This is a schematic diagram of the structure of the dust removal component of the present invention;

[0028] Figure 6 It is a schematic diagram of the structure of the movable rod of the present invention;

[0029] Figure 7 It is a schematic diagram of the sealing plate structure of the present invention.

[0030] In the figure: mounting rod 1, infrared rangefinder 2, display screen 3, alarm 4, project gate 5, construction site 6, sidewalk 7 on the outside, green belt 8, main highway 9, loading cart 10, dust box 11, exhaust fan 12, air intake duct 13, pre-filter box 14, dust filter 15, dust baffle 16, dust removal assembly 17, blocking plate 18, secondary rotating shaft 19, wheel disc 20, primary protrusion 21, secondary guide rod seat 22, secondary guide rod 23, secondary top plate 24, secondary return spring 25, secondary movable ring 26, secondary wedge block 27, movable rod 28, primary wedge block 29, secondary protrusion 30, primary top plate 31, primary guide rod 32, primary return spring 33, primary movable ring 34, primary guide rod seat 35, rotating frame 36, dust removal yarn 37, primary rotating hole 38, primary rotating shaft 39, return spring 40, push rod 41. DETAILED DESCRIPTION

[0031] 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.

[0032] See also Figure 1-7 The present invention provides the following four preferred embodiments:

[0033] Embodiment 1

[0034] An alarm warning device applied to the gate of a construction site in an urban area, the alarm warning device applied to the gate of a construction site in an urban area comprises a mounting rod 1, an infrared rangefinder 2, a display screen 3 and an alarm 4, the mounting rod 1 is fixedly installed inside a green belt 8, the infrared rangefinder 2 is fixed in a dustproof box 11, and the dustproof box 11 is fixed on a project gate 5 at the edge of a construction site 6, the display screen 3 is fixed on the upper side end of the mounting rod 1, and the display screen 3 is located directly above a sidewalk 7, the alarm 4 is fixed on the side wall of the mounting rod 1, and the infrared rangefinder 2, the display screen 3, and the alarm 4 are all connected to a control module through electrical signal connection.

[0035] The distance between the lower side of the display screen 3 and the ground shall not be less than two meters and a half, and the outer side of the project gate 5 is the sidewalk 7, and the outer side of the green belt 8 is the main highway 9. By setting an alarm warning device composed of a mounting pole 1, an infrared rangefinder 2, a display screen 3 and an alarm 4, the loaded truck 10 driving out of the construction site 6 can be monitored, and the pedestrians on the sidewalk 7 can be warned through the display screen 3 and the alarm 4, thereby improving the driving safety of the loaded truck 10 at the position of the project gate 5 on the construction site 6.

[0036] Embodiment 2

[0037] On the basis of embodiment one, an air inlet is opened at the rear side end of the lower side of the dust box 11, and the infrared rangefinder 2 is fixed to the front side end of the dust box 11 through a primary positioning bracket, and an exhaust fan 12 is fixed to the rear side end of the dust box 11 through a secondary positioning bracket, and a dust filter 15 is fixedly installed at a position between the exhaust fan 12 and the air inlet in the inner cavity of the dust box 11. When the exhaust fan 12 is running, the gas flow direction in the dust box 11 is from the direction of the air inlet to the direction of the front port of the dust box 11.

[0038] The air inlet of the dustproof box 11 is connected to the pre-filter box 14 through the air inlet pipe 13. The pre-filter box 14 is a rectangular channel structure, and a dustproof baffle 16 is arranged on the lower side of the inner cavity of the pre-filter box 14. The dustproof baffle 16 is evenly arranged in multiple layers, and the width of the dustproof baffle 16 is three-fifths of the height of the inner cavity of the pre-filter box 14.

[0039] A primary rotating hole 38 is provided on the side wall of the pre-filter box 14. The primary rotating hole 38 is staggered with the dustproof baffle 16, and a dust removal component 17 is rotatably installed in the primary rotating hole 38. The dust removal component 17 is composed of a rotating frame 36 and a dust removal yarn 37. The two sides of the rotating frame 36 are rotatably installed through a primary rotating shaft 39. The two sides of the dust removal yarn 37 are respectively fixedly connected to the two side walls of the inner frame of the rotating frame 36, and the dust removal yarn 37 is staggered with multiple layers. By setting the infrared rangefinder 2 in the dustproof box 11, and arranging the exhaust fan 12 and the dustproof filter 15 in the dustproof box 11, the exhaust fan 12 is operated to make the gas flow direction in the dustproof box 11 flow from the rear side of the dustproof box 11 to the front side, thereby preventing dust from entering the dustproof box 11, thereby affecting the normal monitoring of the infrared rangefinder 2, thereby ensuring the operational reliability of the alarm warning device.

[0040] Embodiment 3

[0041] On the basis of the second embodiment, a movable hole is opened on the dustproof partition 16, and a movable rod 28 is movably installed in the movable hole. The cross-section of the movable rod 28 is rectangular, and a push rod 41 is fixedly connected to the upper surface of the movable rod 28. A return spring 40 is fixedly installed on the front side end of the lower side of the rotating frame 36, and the return spring 40 is set against the dustproof partition 16.

[0042] A secondary rotating shaft 19 is rotatably mounted on the side wall of the pre-filter box 14, and the secondary rotating shaft 19 is driven by a reduction motor. A wheel disc 20 is fixedly mounted on the secondary rotating shaft 19, and a primary protrusion 21 is integrally formed on the edge of the wheel disc 20. A secondary protrusion 30 is fixedly connected to the upper surface of the movable rod 28, and the secondary protrusion 30 is arranged corresponding to the primary protrusion 21.

[0043] A primary guide rod seat 35 is fixedly installed on the inner side wall of the pre-filter box 14, the front side end of the movable rod 28 is fixedly connected to the primary top plate 31, and the front end of the primary top plate 31 is fixedly connected to the primary guide rod 32, and the primary guide rod 32 is sleeved with a primary return spring 33 and a primary movable ring 34, the primary movable ring 34 is fixedly connected to the primary top plate 31 through the primary return spring 33, and the primary guide rod 32 movably passes through the primary guide rod seat 35, and when the primary return spring 33 is in a reset state, its secondary protrusion 30 has an interference effect on the primary protrusion 21, and after the primary return spring 33 is compressed, its secondary protrusion 30 does not have an interference effect on the primary protrusion 21, so that the dust removal component 17 is driven to shake through the movement of the movable rod 28, thereby facilitating the large particles of dust accumulated and adhered to the dust removal component 17 to be shaken off.

[0044] Embodiment 4

[0045] On the basis of Example 3, a self-cleaning port is opened on the lower side of the pre-filter box 14, and a sealing plate 18 is arranged at the position of the self-cleaning port, and secondary guide rods 23 are fixed at the four corner positions of the sealing plate 18, and a secondary top plate 24 is fixed at the upper end of the secondary guide rod 23, and a secondary return spring 25 and a secondary movable ring 26 are movably arranged on the secondary guide rod 23, and the secondary movable ring 26 is connected to the secondary top plate 24 through the secondary return spring 25, and a secondary guide rod seat 22 is fixed on the side wall of the pre-filter box 14, and the secondary guide rod 23 is movably mounted on the secondary guide rod seat 22, and the secondary movable ring 26 is arranged to abut against the secondary guide rod seat 22, and when the secondary return spring 25 is in the reset state, the sealing plate 18 is embedded in the self-cleaning port, and the edge of the self-cleaning port is arranged at an angle.

[0046] A primary wedge block 29 is fixedly connected to the lower side of the movable rod 28, and a secondary wedge block 27 is fixedly connected to the upper surface of the sealing plate 18. The secondary wedge block 27 is arranged corresponding to the primary wedge block 29, and when the primary protrusion 21 and the secondary protrusion 30 are subjected to force against each other, the primary wedge block 29 and the secondary wedge block 27 are subjected to force. At this time, the sealing plate 18 moves downward and the self-cleaning port is opened to facilitate the falling large particles of dust from the self-cleaning port, thereby forming self-cleaning to avoid excessive accumulation and affecting the dust removal effect.

[0047] In actual use, when the reduction motor drives the secondary rotating shaft 19, thereby driving the wheel 20, the secondary protrusion 30 is pushed through the primary protrusion 21, thereby driving the movable rod 28 to move, thereby driving the push rod 41, thereby pushing the dust removal assembly 17 to swing, thereby shaking off large particles of dust, and pushing the secondary wedge block 27 through the primary wedge block 29, so that the sealing plate 18 is opened, thereby allowing large particles of dust to be discharged.

[0048] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. An alarm warning device used at the gate of a construction site in an urban area, characterized by: The alarm warning device used at the gate of the urban project site includes: A mounting rod (1), the mounting rod (1) being fixedly mounted inside the green belt (8); An infrared rangefinder (2), wherein the infrared rangefinder (2) is fixed in a dustproof box (11), and the dustproof box (11) is fixed on a project gate (5) at the edge of a construction site (6); A display screen (3), wherein the display screen (3) is fixed to the upper side end of the mounting rod (1), and the display screen (3) is located directly above the sidewalk (7); An alarm (4), wherein the alarm (4) is fixed on a side wall of the mounting rod (1); The infrared rangefinder (2), display screen (3), and alarm (4) are all connected to the control module by electrical signals; An air inlet is provided at the rear end of the lower side of the dustproof box (11), and the infrared rangefinder (2) is fixed to the front end of the dustproof box (11) via a primary positioning bracket, and an exhaust fan (12) is fixed to the rear end of the dustproof box (11) via a secondary positioning bracket, and a dust filter (15) is fixedly installed at a position between the exhaust fan (12) and the air inlet in the inner cavity of the dustproof box (11), and when the exhaust fan (12) is in operation, the gas in the dustproof box (11) flows from the air inlet to the front port of the dustproof box (11); The air inlet of the dustproof box (11) is connected to a pre-filter box (14) via an air inlet duct (13); the pre-filter box (14) is a rectangular channel structure, and a dustproof baffle (16) is provided on the lower side of the inner cavity of the pre-filter box (14); a plurality of dustproof baffles (16) are evenly provided, and the width of the dustproof baffles (16) is three fifths of the height of the inner cavity of the pre-filter box (14); A primary rotating hole (38) is provided on the side wall of the pre-filter box (14), the primary rotating hole (38) is staggered with the dustproof partition plate (16), and a dust removal component (17) is rotatably installed in the primary rotating hole (38), the dust removal component (17) is composed of a rotating frame (36) and a dust removal yarn (37), the two sides of the rotating frame (36) are rotatably installed via a primary rotating shaft (39), the two sides of the dust removal yarn (37) are respectively fixedly connected to the two side walls of the inner frame of the rotating frame (36), and the dust removal yarn (37) is staggered and arranged in multiple layers.

2. The alarm warning device used at the gate of a construction site in an urban area according to claim 1, characterized in that: The distance between the lower side of the display screen (3) and the ground shall not be less than two and a half meters, and the outer side of the project gate (5) is a sidewalk (7), and the outer side of the green belt (8) is a main road (9).

3. The alarm warning device used at the gate of a construction site in an urban area according to claim 1, characterized in that: A movable hole is formed on the dustproof baffle (16), and a movable rod (28) is movably mounted in the movable hole. The movable rod (28) has a rectangular cross section, and a push rod (41) is fixedly connected to the upper surface of the movable rod (28). A return spring (40) is fixedly mounted on the lower side surface of the rotating frame (36) near the front side end, and the return spring (40) is arranged to abut against the dustproof baffle (16).

4. The alarm warning device used at the gate of a construction site in an urban area according to claim 3 is characterized by: A secondary rotating shaft (19) is rotatably mounted on the side wall of the pre-filter box (14), the secondary rotating shaft (19) being driven by a reduction motor, a wheel disc (20) being fixedly mounted on the secondary rotating shaft (19), a primary protrusion (21) being integrally formed on the edge of the wheel disc (20), a secondary protrusion (30) being fixedly connected to the upper surface of the movable rod (28), the secondary protrusion (30) being arranged corresponding to the primary protrusion (21).

5. The alarm warning device used at the gate of a construction site in an urban area according to claim 4, characterized in that: A primary guide rod seat (35) is fixedly mounted on the inner side wall of the pre-filter box (14); the front side end of the movable rod (28) is fixedly connected to a primary top plate (31); and the front end of the primary top plate (31) is fixedly connected to a primary guide rod (32); a primary return spring (33) and a primary movable ring (34) are sleeved on the primary guide rod (32); the primary movable ring (34) is fixedly connected to the primary top plate (31) via the primary return spring (33); and the primary guide rod (32) movably passes through the primary guide rod seat (35); and when the primary return spring (33) is in a return state, its secondary protrusion (30) has an interference effect on the primary protrusion (21); and after the primary return spring (33) is compressed, its secondary protrusion (30) does not have an interference effect on the primary protrusion (21).

6. The alarm warning device used at the gate of a construction site in an urban area according to claim 5, characterized in that: A self-cleaning port is provided on the lower side of the pre-filter box (14), and a blocking plate (18) is arranged at the position of the self-cleaning port. Secondary guide rods (23) are fixed at the four corners of the blocking plate (18). A secondary top plate (24) is fixed to the upper end of the secondary guide rod (23), and a secondary return spring (25) and a secondary movable ring (26) are movably arranged on the secondary guide rod (23). The secondary movable ring (26) is connected to the secondary top plate (24) via the secondary return spring (25). A secondary guide rod seat (22) is fixed on the side wall of the pre-filter box (14), and the secondary guide rod (23) is movably mounted on the secondary guide rod seat (22). The secondary movable ring (26) and the secondary guide rod seat (22) are arranged to abut against each other. When the secondary return spring (25) is in a reset state, the blocking plate (18) is embedded in the self-cleaning port, and the edge of the self-cleaning port is arranged to be inclined.

7. The alarm warning device used at the gate of a construction site in an urban area according to claim 6, characterized in that: A primary wedge block (29) is fixedly connected to the lower side of the movable rod (28), and a secondary wedge block (27) is fixedly connected to the upper surface of the blocking plate (18). The secondary wedge block (27) is arranged corresponding to the primary wedge block (29), and when the primary protrusion (21) and the secondary protrusion (30) are subjected to force on each other, the primary wedge block (29) and the secondary wedge block (27) are subjected to force, and at this time, the blocking plate (18) moves downward, and the self-cleaning port is opened.

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