Portal crane with stroke monitoring function

Abstract

The utility model discloses an overhead and portal crane with a stroke monitoring function, which comprises a truss, movable brackets are mounted at two ends of the truss, a left trolley and a right trolley are mounted at the upper part of the truss, steel cables are connected to the lower ends of the left trolley and the right trolley, and lifting hooks are fixedly mounted on the outer surfaces of the lower ends of the steel cables. Buffering anti-collision assemblies are fixedly installed on the outer surfaces of the upper ends of the left trolley and the right trolley. According to the bridge and portal crane with the stroke monitoring function, the laser range finders are arranged and are mounted at the lower parts of the front end and the rear end of the movable bracket, so that the bridge vehicle cannot exceed a specified stroke range in the driving process, and equipment damage and safety accidents caused by over-limit operation are avoided; buffering anti-collision assemblies are installed on the outer surfaces of the upper ends of the left trolley and the right trolley, the left trolley and the right trolley can be protected, and collision between the left trolley and the truss and between the right trolley and the truss is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of gantry cranes, in particular to a gantry crane with a travel monitoring function. Background Art

[0002] A gantry crane, also known as a bridge crane, is a type of lifting machinery with two or more crane girders used for lifting and moving materials.

[0003] The existing gantry crane has the following disadvantages when in use:

[0004] 1. The lack of a monitoring function makes it easy for the gantry crane to exceed the specified travel range, resulting in low safety;

[0005] 2. When the left and right trolleys move left and right on the truss, there is a lack of monitoring and protection structure, which causes the left and right trolleys to frequently collide with the two ends of the truss, resulting in a reduction in the service life of the left and right trolleys.

[0006] To this end, we propose a gantry crane with travel monitoring function. Utility Model Content

[0007] (1) Technical problems solved

[0008] In response to the shortcomings of the existing technology, the utility model provides a gantry crane with a travel monitoring function to ensure that the bridge car does not exceed the specified travel range during driving, thereby avoiding equipment damage and safety accidents caused by over-limit operation. The left and right trolleys also have advantages such as protective working structures, which can effectively solve the problems in the background technology.

[0009] (2) Technical solution

[0010] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is as follows: a gantry crane with a stroke monitoring function includes a truss, movable brackets are installed at both ends of the truss, left and right trolleys are installed on the upper part of the truss, the lower ends of the left and right trolleys are connected to steel cables, the lower end outer surface of the steel cable is fixedly installed with a hook, the upper end outer surface of the left and right trolleys is fixedly installed with a buffer and anti-collision component, the left and right trolleys include an installation box, a collision plate, a first guide rod, a first guide ring, a pressure sensor, a partition, a second guide rod, a damper, a compression spring, a limit plate and a second guide ring, and the installation box is fixedly installed on the upper end outer surface of the left and right trolleys, and the lower ends of the outer surfaces of the front and rear ends of the movable bracket are fixedly installed with laser rangefinders.

[0011] Preferably, the partition is fixedly installed in the middle of the inner cavity of the installation box.

[0012] Preferably, the number of the damper, the compression spring, the pressure sensor, the first guide rod and the first guide ring are all four groups, and the number of the collision plate, the limit plate, the second guide ring and the second guide rod are all two groups.

[0013] Preferably, the two groups of limit plates are located on both sides of the inner cavity of the installation box, the two groups of the second guide rods are fixedly installed in the middle of the outer surfaces on both sides of the partition, the second guide ring is installed in the middle of the outer surface of one side of the limit plate, and the limit plate is slidably connected to the outer wall of the second guide rod through the second guide ring.

[0014] Preferably, the damper is fixedly installed between the left and right sides of the outer surface of one side of the limit plate and the left and right sides of the outer surface of one side of the partition, the compression spring is movably mounted on the outer wall of the damper, and the compression spring is fixedly installed between the outer surface of one side of the limit plate and the outer surface of one side of the partition.

[0015] Preferably, the four groups of the first guide rings are fixedly installed on the left and right sides of the outer surfaces of both ends of the installation box, the first guide rod is fixedly installed on the left and right sides of the outer surface of one side of the limit plate, the outer wall of the first guide rod and the first guide ring are slidably connected, the pressure sensor is installed between one end of the outer surface of one side of the collision plate and the outer surface of one end of the first guide rod, and the pressure sensor is connected to an external controller.

[0016] (3) Beneficial effects

[0017] Compared with the prior art, the present invention provides a gantry crane with a travel monitoring function, which has the following beneficial effects:

[0018] 1. The gantry crane with travel monitoring function is equipped with a laser rangefinder, which is installed at the lower part of the front and rear ends of the mobile bracket to ensure that the bridge vehicle does not exceed the specified travel range during driving, thereby avoiding equipment damage and safety accidents caused by over-limit operation.

[0019] 2. The gantry crane with stroke monitoring function can protect the left and right trolleys by installing buffer and anti-collision components on the upper outer surfaces of the left and right trolleys to avoid collision between the left and right trolleys and the truss. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a gantry crane with a travel monitoring function according to the present invention.

[0021] Figure 2 The utility model is a schematic structural diagram of the buffer and anti-collision component of the gantry crane with a stroke monitoring function.

[0022] Figure 3The diagram is a partial structural diagram of a buffer and anti-collision component in a gantry crane with a stroke monitoring function according to the present invention.

[0023] Figure 4 It is a partial top cross-sectional view of the buffer and anti-collision component of the gantry crane with stroke monitoring function according to the present invention.

[0024] In the figure: 1. Truss; 2. Mobile bracket; 3. Laser rangefinder; 4. Left and right trolleys; 5. Buffer and anti-collision assembly; 6. Steel cable; 7. Hook; 8. Installation box; 9. Collision plate; 10. First guide rod; 11. First guide ring; 12. Pressure sensor; 13. Partition; 14. Second guide rod; 15. Damper; 16. Compression spring; 17. Limit plate; 18. Second guide ring. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] This embodiment is a gantry crane with a travel monitoring function.

[0027] like Figure 1-4 As shown, it includes a truss 1, with movable brackets 2 installed at both ends of the truss 1, left and right trolleys 4 installed on the upper part of the truss 1, the lower ends of the left and right trolleys 4 are connected to steel cables 6, and the outer surface of the lower end of the steel cable 6 is fixedly installed with a hook 7, and the outer surface of the upper end of the left and right trolleys 4 is fixedly installed with a buffer and anti-collision component 5. The left and right trolleys 4 include an installation box 8, a collision plate 9, a first guide rod 10, a first guide ring 11, a pressure sensor 12, a partition 13, a second guide rod 14, a damper 15, a compression spring 16, a limit plate 17 and a second guide ring 18, and the installation box 8 is fixedly installed on the outer surface of the upper end of the left and right trolleys 4, and the lower end of the outer surface of the front and rear ends of the movable bracket 2 is fixedly installed with a laser rangefinder 3.

[0028] The partition 13 is fixedly installed in the middle of the inner cavity of the installation box 8; the number of the damper 15, the compression spring 16, the pressure sensor 12, the first guide rod 10 and the first guide ring 11 are all four groups, and the number of the collision plate 9, the limit plate 17, the second guide ring 18 and the second guide rod 14 are all two groups; the two groups of limit plates 17 are located on both sides of the inner cavity of the installation box 8, the two groups of second guide rods 14 are fixedly installed in the middle of the outer surface of both sides of the partition 13, the second guide ring 18 is installed in the middle of the outer surface of one side of the limit plate 17, and the limit plate 17 is slidably connected to the outer wall of the second guide rod 14 through the second guide ring 18; the damper 15 is fixedly installed on the outer surface of one side of the limit plate 17 The compression spring 16 is movably mounted on the outer wall of the damper 15, and the compression spring 16 is fixedly installed between the outer surface of one side of the limit plate 17 and the outer surface of one side of the partition 13; the four groups of first guide rings 11 are fixedly installed on the left and right sides of the outer surface of both ends of the installation box 8, the first guide rod 10 is fixedly installed on the left and right sides of the outer surface of one side of the limit plate 17, the outer wall of the first guide rod 10 and the first guide ring 11 are slidingly connected, the pressure sensor 12 is installed between one end of the outer surface of one side of the collision plate 9 and the outer surface of one end of the first guide rod 10, and the pressure sensor 12 is externally connected to the controller.

[0029] It should be noted that the present invention is a gantry crane with a stroke monitoring function. The truss 1, movable bracket 2, left and right trolleys 4, steel cable 6 and hook 7 recorded in the text all belong to the existing technology and can be effectively known to technical personnel in the relevant technical field, so the details will not be repeated here. A laser rangefinder 3 is provided, and the laser rangefinder 3 is installed at the lower part of the front and rear ends of the movable bracket 2 to ensure that the bridge vehicle will not exceed the prescribed stroke range during driving, thereby avoiding equipment damage and safety accidents caused by over-limit operation. A buffer and anti-collision component 5 is provided. When the left and right trolleys 4 move, the collision plate 9 is pre-contacted and squeezed with the truss 1, and the pressure sensor 12 is externally connected to the controller. When the collision plate 9 contacts the truss 1, the pressure sensor 12 can make timely feedback, and the first guide rod 10 slides along the first guide ring 11. The first guide rod 10 drives the limit plate 17 to squeeze the damper 15 and the compression spring 16 inside the mounting box 8, which plays a buffering role, protects the left and right trolleys 4, and improves the service life of the left and right trolleys 4.

[0030] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used solely to distinguish one entity or operation from another, and do not necessarily require or imply any actual relationship or order between these entities or operations. Furthermore, the terms "include," "comprise," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "includes a..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0031] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. A gantry crane with a travel monitoring function, comprising a truss (1), movable brackets (2) being installed at both ends of the truss (1), left and right trolleys (4) being installed on the upper portion of the truss (1), steel cables (6) being connected to the lower ends of the left and right trolleys (4), and hooks (7) being fixedly installed on the outer surface of the lower ends of the steel cables (6), characterized in that: A buffer anti-collision assembly (5) is fixedly mounted on the outer surfaces of the upper ends of the left and right trolleys (4). The left and right trolleys (4) include an installation box (8), a collision plate (9), a first guide rod (10), a first guide ring (11), a pressure sensor (12), a partition (13), a second guide rod (14), a damper (15), a compression spring (16), a limit plate (17) and a second guide ring (18). The installation box (8) is fixedly mounted on the outer surfaces of the upper ends of the left and right trolleys (4). A laser rangefinder (3) is fixedly mounted on the lower ends of the outer surfaces of the front and rear ends of the movable bracket (2).

2. The gantry crane with travel monitoring function according to claim 1, characterized in that: The partition (13) is fixedly installed in the middle of the inner cavity of the installation box (8).

3. The gantry crane with travel monitoring function according to claim 2, characterized in that: The damper (15), the compression spring (16), the pressure sensor (12), the first guide rod (10) and the first guide ring (11) are each in four groups, and the collision plate (9), the limit plate (17), the second guide ring (18) and the second guide rod (14) are each in two groups.

4. The gantry crane with travel monitoring function according to claim 3, characterized in that: The two groups of the limiting plates (17) are located on both sides of the inner cavity of the installation box (8), the two groups of the second guide rods (14) are fixedly installed in the middle of the outer surfaces of both sides of the partition (13), the second guide ring (18) is installed in the middle of the outer surface of one side of the limiting plate (17), and the limiting plate (17) is slidably connected to the outer wall of the second guide rod (14) through the second guide ring (18).

5. The gantry crane with travel monitoring function according to claim 4, characterized in that: The damper (15) is fixedly mounted between the left and right sides of the outer surface of one side of the limiting plate (17) and the left and right sides of the outer surface of one side of the partition (13); the compression spring (16) is movably sleeved on the outer wall of the damper (15), and the compression spring (16) is fixedly mounted between the outer surface of one side of the limiting plate (17) and the outer surface of one side of the partition (13).

6. The gantry crane with travel monitoring function according to claim 5, characterized in that: The four groups of the first guide rings (11) are fixedly mounted on the left and right sides of the outer surface of both ends of the mounting box (8), the first guide rod (10) is fixedly mounted on the left and right sides of the outer surface of one side of the limit plate (17), the outer wall of the first guide rod (10) and the first guide ring (11) are in sliding connection, the pressure sensor (12) is mounted between one end of the outer surface of one side of the collision plate (9) and the outer surface of one end of the first guide rod (10), and the pressure sensor (12) is externally connected to a controller.

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