Automatic anti-collision device for cross track of gantry crane

Abstract

The utility model discloses an automatic anti-collision device for a cross track of a gantry crane. The automatic anti-collision device comprises a transverse track, a longitudinal track, a transverse walking gantry crane, a longitudinal walking gantry crane, a first turnover plate, a second turnover plate, a first deflector rod, a second deflector rod and a first infrared sensor. The first turnover plate and the second turnover plate are vertically fixed on the ground at the intersection of the transverse track and the longitudinal track through the bases respectively; the base comprises a bottom plate and a hinged support; the first turnover plate and the second turnover plate are the same in structure, comprise horizontal parts and vertical parts and are L-shaped, and the intersection point is hinged to the hinged support. A first infrared induction plate and a second infrared induction plate are respectively fixed at the upper ends of the vertical parts of the first turnover plate and the second turnover plate; one end of the first deflector rod and one end of the second deflector rod are respectively fixed on supporting legs, close to one side of the rail intersection, of the transverse and longitudinal walking gantry cranes; and the first and second infrared sensors are respectively arranged at the other ends of the first and second driving levers and are respectively aligned with the second and first infrared sensing plates. According to the utility model, the two gantry cranes can be effectively prevented from colliding in a public operation area.

Description

Technical Field

[0001] The utility model relates to an automatic anti-collision device for a cross-cross track of a gantry crane. Background Art

[0002] In large prefabrication yards for transportation projects, there are usually casting areas, reinforcement areas, and storage areas, and two gantry cranes are required to lift between the two areas. One gantry crane travels back and forth between the casting area and the reinforcement area; the other gantry crane travels back and forth between the casting area and the storage area. Since both gantry cranes need to operate in the casting area (public operation area), the gantry tracks are arranged in a cross shape in the vertical and horizontal directions to facilitate transportation, but the two gantry cranes cannot operate in the casting area at the same time. Therefore, how to avoid collision between the two gantry cranes in the public operation area is an urgent problem to be solved. Utility Model Content

[0003] The utility model aims to overcome the defects of the prior art and provide an automatic anti-collision device for the cross-track of a gantry crane, which can effectively prevent two gantry cranes from colliding in a common operating area.

[0004] The purpose of the utility model is achieved as follows: an automatic anti-collision device for a cross-cross track of a gantry crane, comprising a transverse track, a longitudinal track perpendicular to the transverse track and arranged crosswise, a transversely traveling gantry crane on the transverse track, a longitudinally traveling gantry crane on the longitudinal track, a first flip plate, a second flip plate, a first lever, a second lever, a first infrared sensor and a second infrared sensor; wherein,

[0005] The first flip plate and the second flip plate are respectively fixed to the ground at the intersection of the transverse track and the longitudinal track perpendicularly to each other through a base;

[0006] The base comprises a bottom plate installed on the ground and a hinge seat fixed on the central top surface of the bottom plate;

[0007] The distance L1 from the center of the bottom plate of the first flip plate to the longitudinal track is greater than the distance L2 from the center of the bottom plate to the transverse track; the distance from the center of the bottom plate of the second flip plate to the transverse track is L1, and the distance from the center of the bottom plate of the second flip plate to the longitudinal track is L2;

[0008] The first flip plate includes a horizontal portion and a vertical portion and is L-shaped. A horizontal limit plate is fixed on the bottom surface of the horizontal portion near the outer end, and a vertical limit plate is fixed on the outer surface of the vertical portion near the upper end. The intersection of the horizontal portion and the vertical portion is hinged to the hinge seat on the base through a pin shaft, so that the horizontal portion is parallel to the transverse track. The upper end of the vertical portion is fixed with a first infrared sensor plate.

[0009] The structure of the second flip plate is the same as that of the first flip plate; the horizontal portion of the second flip plate is parallel to the longitudinal track; the upper end of the vertical portion of the second flip plate is fixed with the second infrared sensing plate;

[0010] The first lever is horizontally arranged and one end of the first lever is fixed on the leg of the horizontally traveling gantry crane near the track intersection. The vertical distance H between the first lever and the ground is greater than the vertical distance between the top surface of the horizontal part of the first flip plate and the ground and is smaller than the vertical distance between the top of the vertical part of the first flip plate and the ground. The other end of the first lever is vertically connected to an infrared sensor mounting seat.

[0011] The structure of the second lever is the same as that of the first lever, and the second lever is fixed to the leg of the longitudinally traveling gantry crane on the side close to the track intersection; the vertical distance H between the second lever and the ground is greater than the vertical distance between the top surface of the horizontal part of the second flip plate and the ground and is less than the vertical distance between the top of the vertical part of the second flip plate and the ground;

[0012] The first infrared sensor and the second infrared sensor are mounted on the infrared sensor mounting seat of the first lever and the infrared sensor mounting seat of the second lever in a one-to-one correspondence, so that the first infrared sensor and the second infrared sensor are aligned with the second infrared sensing board and the first infrared sensing board in a one-to-one correspondence.

[0013] The above-mentioned automatic anti-collision device for the cross-track of the gantry crane, wherein the horizontal part and the vertical part of the first flip plate and the second flip plate are both made of channel steel.

[0014] The above-mentioned automatic anti-collision device for the cross-track of the gantry crane, wherein the first shift rod and the second shift rod are both made of square steel.

[0015] The automatic anti-collision device for the cross-crossing tracks of the gantry crane of the present utility model is characterized in that: by setting a first flip plate and a second flip plate on the ground at the intersection of the transverse track and the longitudinal track, and setting an infrared sensing plate on both the first flip plate and the second flip plate, a lever is also set on the support leg of the transverse gantry crane close to the track intersection and on the support leg of the longitudinal gantry crane close to the track intersection, respectively, and infrared sensors are installed on both levers. When the infrared sensor on the transverse gantry crane senses the corresponding infrared sensing plate, it knows that the longitudinal gantry crane is operating in the public working area, and it can stop the car in time to avoid entering the public working area again. Similarly, when the infrared sensor on the longitudinal gantry crane senses the corresponding infrared sensing plate, it knows that the transverse gantry crane is operating in the public working area, and it can stop the car in time to avoid entering the public working area again. Therefore, the present utility model can effectively prevent the two gantry cranes from colliding in the public working area, and the operation is reliable and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a plan view of the automatic anti-collision device for the cross-cross track of the gantry crane of the utility model;

[0017] Figure 2 It is a structural schematic diagram of a flip plate in the automatic anti-collision device of the utility model;

[0018] Figure 3 It is a structural schematic diagram of a lever in the automatic anti-collision device of the utility model. DETAILED DESCRIPTION

[0019] The utility model will be further described below in conjunction with the accompanying drawings.

[0020] See also Figures 1 to 3 The utility model discloses an automatic anti-collision device for a cross track of a gantry crane, comprising a transverse track 11, a longitudinal track 12 perpendicular to and cross-arranged with the transverse track 11, a transversely traveling gantry crane 21 on the transverse track 11, and a longitudinally traveling gantry crane 22 on the longitudinal track 12; and also comprises a first flip plate 3, a second flip plate 4, a first lever 5, a second lever 6, a first infrared sensor 7, and a second infrared sensor 8.

[0021] The first flip plate 3 and the second flip plate 4 are respectively fixed perpendicularly to each other on the ground at the intersection of the transverse track 11 and the longitudinal track 12 through a base 9; the base 9 includes a bottom plate 91 installed on the ground and a hinge seat 92 fixed on the central top surface of the bottom plate 91;

[0022] The distance L1 from the center of the bottom plate 91 of the first flip plate 3 to the longitudinal track 12 is greater than the distance L2 from the center of the bottom plate 91 to the transverse track 11; the first flip plate 3 includes a horizontal portion 31 and a vertical portion 32 and is L-shaped, the lower end of the vertical portion 32 is vertically connected to the inner end of the horizontal portion 31, and the horizontal portion 31 and the vertical portion 32 are both made of channel steel; the horizontal limit plate 33 and the vertical limit plate 34 are fixed one by one on the bottom surface near the outer end of the horizontal portion 31 and the outer surface near the upper end of the vertical portion 32, and the intersection of the horizontal portion 31 and the vertical portion 32 is hinged to the hinge seat 92 through a pin shaft, so that the horizontal portion 31 is parallel to the transverse track 11; the first infrared sensing plate 30 is fixed on the upper end of the vertical portion 34;

[0023] The structure of the second flip plate 4 is the same as that of the first flip plate 3. The second infrared sensing plate 40 is fixed to the upper end of the vertical portion 42 of the second flip plate 4. The distance from the center of the bottom plate 91 of the second flip plate 4 to the transverse track 11 is L1, and the distance from the center of the bottom plate 91 of the second flip plate 4 to the longitudinal track 12 is L2. The horizontal portion 41 of the second flip plate 4 is parallel to the longitudinal track 12.

[0024] The first lever 5 is horizontally arranged and one end is fixed on a leg of the horizontally traveling gantry crane 21 close to the track intersection. The vertical distance H between the first lever 5 and the ground is greater than the vertical distance between the top surface of the horizontal portion 31 of the first flip plate 3 and the ground and is less than the distance between the top of the vertical portion 32 of the first flip plate 3 and the ground. The other end of the first lever 5 is vertically connected to an infrared sensor mounting seat.

[0025] The structure of the second lever 6 is the same as that of the first lever 5 and both are made of square steel. The second lever 6 is fixed to the leg of the longitudinal walking gantry crane 22 close to the track intersection. The vertical distance H between the second lever 6 and the ground is greater than the vertical distance between the top surface of the horizontal portion 41 of the second flip plate 4 and the ground and is less than the vertical distance between the top of the vertical portion 42 of the second flip plate 4 and the ground.

[0026] The first infrared sensor 7 and the second infrared sensor 8 are mounted on the infrared sensor mounting seat 70 of the first lever 5 and the infrared sensor mounting seat 80 of the second lever 6 in a one-to-one correspondence, so that the first infrared sensor 7 and the second infrared sensor 8 are aligned with the second infrared sensing board 40 and the first infrared sensing board 30 in a one-to-one manner.

[0027] In a specific embodiment, the distance from the center of the bottom plate 91 of the first flip plate 3 to the longitudinal track 12 is L1=500mm, and the distance W from the center of the bottom plate 91 of the first flip plate 3 to the transverse track 11 is 300mm; the distance from the top surface of the horizontal portion 31 of the first flip plate 3 to the ground is 140mm, and the distance from the top of the vertical portion 32 of the first flip plate 3 to the ground is 360mm; the distance from the center of the bottom plate 91 of the second flip plate 4 to the transverse track 11 is L1=500mm, and the distance from the center of the bottom plate 91 of the second flip plate 4 to the longitudinal track 12 ... The distance from the top surface of the horizontal portion 41 to the ground is 140 mm, and the distance from the top of the vertical portion 42 of the second flip plate 4 to the ground is 360 mm; the vertical distance H from the first lever 5 and the second lever 6 to the ground is 200 mm, the vertical distance L1 from the first infrared sensor 7 to the transverse track 11 is 500 mm, and the distance H from the first infrared sensor 7 to the ground is the same as the distance from the second infrared sensing plate 40 to the ground; the vertical distance L1 from the second infrared sensor 8 to the longitudinal track 12 is 500 mm, and the distance H from the second infrared sensor 8 to the ground is the same as the distance from the first infrared sensing plate 30 to the ground.

[0028] There are three signal indicator lights on the first infrared sensor 7 and the second infrared sensor 8: when the infrared sensor does not sense the infrared sensing board, only one signal indicator light is on; when the infrared sensor senses the infrared sensing board but the distance is far, two signal indicator lights are on; when the infrared sensor senses that the infrared sensing board enters the preset warning distance, all three signal indicator lights are on, and the gantry crane will automatically brake and cannot move towards the public working area.

[0029] The working process of the automatic anti-collision device for the cross-cross track of the gantry crane of the utility model is:

[0030] When the lateral walking gantry crane 21 and the longitudinal walking gantry crane 22 have not entered the common operation area 300, the first flip plate 3 and the second flip plate 4 are both in a lying state, that is, the vertical portion 32 of the first flip plate 3 and the vertical portion 42 of the second flip plate 4 are both in a horizontal state, the horizontal portion 31 of the first flip plate 3 and the horizontal portion 41 of the second flip plate 4 are both in a vertical state, and the first infrared sensor 7 and the second infrared sensor 8 do not sense the second infrared sensing plate 40 and the first infrared sensing plate 30 one by one. At this time, the lateral walking gantry crane 21 and the longitudinal walking gantry crane 22 can operate normally in their respective operation areas. When the lateral walking gantry crane 21 enters the common operation area 300, the first lever 5 fixed on the lateral walking gantry crane 21 will move the horizontal portion 31 of the first flip plate 3 to rotate the first flip plate 3. Due to the action of the horizontal limit plate 33, the vertical portion 32 of the first flip plate 3 is erected and in a vertical state, and the horizontal portion 31 of the first flip plate 3 is in a horizontal state, and the second infrared sensor 8 can sense the first infrared sensing plate 30. At this time, the longitudinal traveling gantry crane 22 can only operate in its own operation area 200. When the longitudinal traveling gantry crane 22 approaches the public operation area 300, it will automatically brake and cannot move forward. When the transverse traveling gantry crane 21 leaves the public operation area 300, the first lever 5 will move the vertical portion 32 of the first flip plate 3 to rotate the first flip plate 3. Due to the action of the vertical limit plate 34, the vertical portion 32 of the first flip plate 3 lies down and is in a horizontal state, and the horizontal portion 31 of the first flip plate 3 is in a vertical state.

[0031] When the longitudinal walking gantry crane 22 enters the public working area 300, the second lever 6 will move the horizontal part 43 of the second flip plate 4 to rotate the second flip plate 4. Due to the action of the horizontal limit plate 33, the vertical part 42 of the flip plate of the second flip plate 4 is erected and in a vertical state, and the first infrared sensor 7 can sense the second infrared sensor plate 40. At this time, the transverse walking gantry crane 21 can only work in its own working area 100. When the transverse walking gantry crane 21 approaches the public working area 300, it will automatically brake and cannot move forward. When the longitudinal walking gantry crane 22 leaves the public working area 300, the second lever 6 will move the vertical part 42 of the second flip plate 4 to rotate the second flip plate 4. Due to the action of the vertical limit plate 34, the vertical part 42 of the second flip plate 4 is in a horizontal state, and the horizontal part 41 of the second flip plate 4 is in a vertical state.

[0032] The above embodiments are only used to illustrate the present invention, rather than to limit the present invention. Technicians in the relevant technical field can make various changes or modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions should also belong to the scope of the present invention and should be defined by the claims.

Claims

1. An automatic anti-collision device for a cross-track of a gantry crane, comprising a transverse track, a longitudinal track perpendicular to and cross-arranged with the transverse track, a transversely traveling gantry crane on the transverse track, a longitudinally traveling gantry crane on the longitudinal track, a first flip plate, a second flip plate, a first lever, a second lever, a first infrared sensor, and a second infrared sensor; characterized in that: The first flip plate and the second flip plate are respectively fixed to the ground at the intersection of the transverse track and the longitudinal track perpendicularly to each other through a base; The base comprises a bottom plate installed on the ground and a hinge seat fixed on the central top surface of the bottom plate; The distance L1 from the center of the bottom plate of the first flip plate to the longitudinal track is greater than the distance L2 from the center of the bottom plate to the transverse track; the distance from the center of the bottom plate of the second flip plate to the transverse track is L1, and the distance from the center of the bottom plate of the second flip plate to the longitudinal track is L2; The first flip plate includes a horizontal portion and a vertical portion and is L-shaped. A horizontal limit plate is fixed on the bottom surface of the horizontal portion near the outer end, and a vertical limit plate is fixed on the outer surface of the vertical portion near the upper end. The intersection of the horizontal portion and the vertical portion is hinged to the hinge seat on the base through a pin shaft, so that the horizontal portion is parallel to the transverse track. The upper end of the vertical portion is fixed with a first infrared sensor plate. The structure of the second flip plate is the same as that of the first flip plate; the horizontal portion of the second flip plate is parallel to the longitudinal track; the upper end of the vertical portion of the second flip plate is fixed with the second infrared sensing plate; The first lever is horizontally arranged and one end of the first lever is fixed on the leg of the horizontally traveling gantry crane near the track intersection. The vertical distance H between the first lever and the ground is greater than the vertical distance between the top surface of the horizontal part of the first flip plate and the ground and is smaller than the vertical distance between the top of the vertical part of the first flip plate and the ground. The other end of the first lever is vertically connected to an infrared sensor mounting seat. The structure of the second lever is the same as that of the first lever, and the second lever is fixed to the leg of the longitudinally traveling gantry crane on the side close to the track intersection; the vertical distance H between the second lever and the ground is greater than the vertical distance between the top surface of the horizontal part of the second flip plate and the ground and is less than the vertical distance between the top of the vertical part of the second flip plate and the ground; The first infrared sensor and the second infrared sensor are mounted on the infrared sensor mounting seat of the first lever and the infrared sensor mounting seat of the second lever in a one-to-one correspondence, so that the first infrared sensor and the second infrared sensor are aligned with the second infrared sensing board and the first infrared sensing board in a one-to-one correspondence.

2. The automatic anti-collision device for the cross-track of a gantry crane according to claim 1 is characterized in that: The horizontal parts and the vertical parts of the first flip plate and the second flip plate are both made of channel steel.

3. The automatic anti-collision device for the cross-track of a gantry crane according to claim 1 is characterized in that: The first lever and the second lever are both made of square steel.

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