Crown block anti-collision device

Abstract

The utility model discloses a crown block anti-collision device, and relates to the technical field of rail transit. Comprising a track block, a crown block body is arranged in the middle of the bottom side of the track block, side block bodies are symmetrically arranged on the two sides of the crown block body, and stabilizing structures are arranged at the bottoms of the crown block body and the side block bodies; opposite side plates of the U-shaped mounting plate are vertically and slidably connected with the crown block body and the side block body at the corresponding positions, and first springs are connected between a transverse bottom plate of the U-shaped mounting plate and four corners of the bottom surfaces of the crown block body and the side block body at the corresponding positions. Through the arrangement of the stable structure, when the crown block body and the side block body operate, the first spring and the first damping rod ensure that the whole U-shaped fixing plate is stable in the vertical direction, and the second spring and the second damping rod ensure that the whole U-shaped fixing plate is stable in the horizontal direction; therefore, the anti-collision device is prevented from being damaged to a certain extent in a vibration environment, and the service life is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transportation, in particular to an overhead travelling crane anti-collision device. Background Art

[0002] Overhead crane is a mechanical equipment used for lifting and moving goods. It is usually installed above industrial plants, warehouses and other places. It can move horizontally along the track and can lift or lower goods. Overhead crane usually consists of a bridge, electric motor, lifting mechanism, control system and other parts.

[0003] An existing overhead crane anti-collision device (authorization public number: CN210214599U) has the following defects: the above-mentioned device realizes the activation of the micro switch through the displacement of the collision rod, thereby triggering the alarm emergency stop, which greatly improves the touch sensitivity and aesthetics. However, during the operation of the overhead crane, a certain vibration is usually generated. The anti-collision device is installed on the overhead crane and needs to be stabilized and shock-absorbing to avoid certain damage to the anti-collision device in a vibration environment, thereby affecting the service life. For this reason, the present utility model is proposed. Utility Model Content

[0004] The utility model aims to provide an overhead travelling crane anti-collision device to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-collision device for an overhead crane, comprising a track block, a crane body is arranged in the middle part of the bottom side of the track block, side car bodies are symmetrically arranged on both sides of the crane body, and a stabilizing structure is arranged at the bottom of the crane body and the side car bodies, the stabilizing structure comprises a U-shaped mounting plate arranged at the bottom position of the crane body and the side car bodies, the opposite side plates of the U-shaped mounting plate are vertically slidably connected to the crane body and the side car bodies at the corresponding positions, a first spring is connected between the transverse bottom plate of the U-shaped mounting plate and the four corners of the bottom surface of the crane body and the side car bodies at the corresponding positions, a first damping rod is inserted in the first spring, the bottom end of the first damping rod is connected to the transverse bottom plate of the U-shaped mounting plate, the top end of the first damping rod is connected to the bottom surface of the crane body and the side car bodies at the corresponding positions, and a U-shaped fixing plate is arranged on the outer side of the U-shaped mounting plate.

[0006] Preferably, the outer sides of the opposite side plates of the U-shaped fixing plate are symmetrically fixed with limiting cross bars, the outer sides of the opposite side plates of the U-shaped fixing plate are fixed with second springs, one end of the second spring is connected to the opposite side plates of the U-shaped mounting plate, and the limiting cross bars penetrate the U-shaped fixing plate and slide with the U-shaped fixing plate.

[0007] Preferably, a second damping rod is inserted in the second spring, one end of the second damping rod is connected to the opposite side plate of the U-shaped mounting plate, and the other end is connected to the opposite side plate of the U-shaped fixing plate, a slider is fixed on the bottom horizontal plate of the U-shaped fixing plate, and a sliding hole adapted to the slider is opened on the U-shaped mounting plate.

[0008] Preferably, an alarm host is arranged at the bottom of the bottom horizontal plate of the U-shaped fixing plate, a first laser sensor and a second laser sensor are arranged on both sides of the U-shaped fixing plate located at the bottom of the overhead crane body, and a first laser sensor and a second laser sensor are arranged on one side of the U-shaped fixing plate located at the bottom of the side car body.

[0009] Preferably, a reflective plate body is provided on one side of the U-shaped fixed plate located at the bottom of the side vehicle body, a fixed frame is fixed on the outside of the reflective plate body, and the first laser sensor and the second laser sensor are electrically connected to the corresponding alarm host via connecting wires.

[0010] Preferably, the alarm host is electrically connected to a power supply wiring, and the U-shaped fixed plate is provided with installation adsorption grooves respectively adapted to the alarm host, the first laser sensor, the second laser sensor and the fixed frame, and the overhead crane body and the side crane body are controlled to slide on the track block.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The anti-collision device of the overhead crane has a stable structure. When the overhead crane body and the side car body are in operation, the first spring and the first damping rod ensure the stability of the U-shaped fixing plate as a whole in the vertical direction, and the second spring and the second damping rod ensure the stability of the U-shaped fixing plate as a whole in the horizontal direction, thereby avoiding certain damage to the anti-collision device in a vibration environment to a certain extent and ensuring the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the first three-dimensional structure of the utility model;

[0014] Figure 2 It is a front view of the utility model;

[0015] Figure 3 It is a second three-dimensional structural schematic diagram of the utility model;

[0016] Figure 4 It is a three-dimensional structural schematic diagram of the utility model without the overhead crane mechanism;

[0017] Figure 5 It is a schematic diagram of the first three-dimensional structure of the installation shock-absorbing structure of the utility model;

[0018] Figure 6 It is a schematic diagram of the second three-dimensional structure of the installation shock-absorbing structure of the utility model.

[0019] In the figure: 1. track block; 101. overhead crane body; 102. side crane body; 2. U-shaped mounting plate; 201. first damping rod; 202. first spring; 203. U-shaped fixing plate; 204. limit cross bar; 205. second damping rod; 206. second spring; 207. sliding hole; 208. slider; 3. alarm host; 301. first laser sensor; 302. second laser sensor; 303. connecting wire; 304. power wiring; 305. reflective plate body; 306. installation adsorption groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] During the operation of the overhead crane, an anti-collision device is required. The device provided by the utility model is specifically used to provide a protective alarm for the overhead crane body 101 and the side car body 102 running on the same track block 1 to prevent collisions. During the operation of the overhead crane body 101 and the side car body 102, the stable structure provides shock-absorbing protection for the alarm host 3, the first laser sensor 301 and the second laser sensor 302 to a certain extent. During the use of the device, it is necessary to perform installation and other preparation work in advance to ensure the normal use of the device.

[0022] like Figure 1-Figure 6 As shown, the utility model provides a technical solution: an overhead crane anti-collision device, comprising a track block 1, a crane body 101 is arranged at the middle of the bottom side of the track block 1, side car bodies 102 are symmetrically arranged on both sides of the crane body 101, and a stable structure is arranged at the bottom of the crane body 101 and the side car body 102, and the stable structure includes a U-shaped mounting plate 2 arranged at the bottom position of the crane body 101 and the side car body 102, and the opposite side plate of the U-shaped mounting plate 2 is connected to the crane body 101 and the side car body 102 at the corresponding position. 02 are vertically slidably connected, a first spring 202 is connected between the transverse bottom plate of the U-shaped mounting plate 2 and the four corners of the bottom surfaces of the crane body 101 and the side car body 102 at corresponding positions, a first damping rod 201 is inserted into the first spring 202, the bottom end of the first damping rod 201 is connected to the transverse bottom plate of the U-shaped mounting plate 2, the top end of the first damping rod 201 is connected to the bottom surfaces of the crane body 101 and the side car body 102 at corresponding positions, and a U-shaped fixing plate 203 is arranged on the outside of the U-shaped mounting plate 2.

[0023] In the embodiment, the outer sides of the opposite side plates of the U-shaped fixing plate 203 are symmetrically fixed with limiting cross bars 204, and the outer sides of the opposite side plates of the U-shaped fixing plate 203 are fixed with second springs 206, one end of the second spring 206 is connected to the opposite side plates of the U-shaped mounting plate 2, and the limiting cross bars 204 penetrate the U-shaped fixing plate 203 and slide with the U-shaped fixing plate 203, wherein the track block 1, the overhead crane body 101 and the side car body 102 are existing technologies, and the overhead crane body 101 and the side car body 102 move on the track block 1.

[0024] In the embodiment, a second damping rod 205 is inserted in the second spring 206, one end of the second damping rod 205 is connected to the opposite side plate of the U-shaped mounting plate 2, and the other end is connected to the opposite side plate of the U-shaped fixing plate 203, a slider 208 is fixed to the bottom horizontal plate of the U-shaped fixing plate 203, and a sliding hole 207 adapted to the slider 208 is opened on the U-shaped mounting plate 2. Through the setting of the stable structure, when the overhead crane body 101 and the side car body 102 are in operation, the first spring 202 and the first damping rod 201 ensure the stability of the U-shaped fixing plate 203 as a whole in the vertical direction, and the second spring 206 and the second damping rod 205 ensure the stability of the U-shaped fixing plate 203 as a whole in the horizontal direction, thereby avoiding certain damage to the anti-collision device in a vibration environment to a certain extent and ensuring the service life.

[0025] In the embodiment, an alarm host 3 is arranged at the bottom of the bottom horizontal plate of the U-shaped fixing plate 203, a first laser sensor 301 and a second laser sensor 302 are respectively arranged on both sides of the U-shaped fixing plate 203 located at the bottom of the overhead crane body 101, a first laser sensor 301 and a second laser sensor 302 are respectively arranged on one side of the U-shaped fixing plate 203 located at the bottom of the side car body 102, a reflective plate body 305 is arranged on one side of the U-shaped fixing plate 203 located at the bottom of the side car body 102, a fixing frame is fixed to the outside of the reflective plate body 305, and the first laser sensor 301 and the second laser sensor 302 are electrically connected to the corresponding alarm host 3 by a connecting line 303.

[0026] In the embodiment, the alarm host 3 is electrically connected to a power connection 304, and the U-shaped fixing plate 203 is provided with mounting adsorption grooves 306 respectively adapted to the alarm host 3, the first laser sensor 301, the second laser sensor 302 and the fixing frame. The crane body 101 and the side car body 102 are controlled to slide on the track block 1, wherein the alarm host 3, the first laser sensor 301, the second laser sensor 302 and the reflective plate body 305, the connecting line 303 and the power connection 304 are prior art. When the crane body 101 enters the detection distance, the device emits continuous sound alarms and flash alarms to remind the driver to pay attention. It can also be decided by the user to use the output point of the prior art relay to be linked with the brake system of the crane body 101 to slow down or apply braking under PLC control. The first laser sensor 301 and the second laser sensor 302 adopt the laser ranging sensors of the prior art. The device adopts the latest laser reflection ranging positioning principle, has strong anti-interference ability, accurate positioning and ranging, and stable and reliable operation.

[0027] Working principle: When the device is used, it is installed on the overhead crane body 101 and the side car body 102 through a stable structure. During the operation of the overhead crane body 101 and the side car body 102, the first laser sensor 301 and the second laser sensor 302 emit lasers on the reflective plate body 305 to perform position monitoring and alarm. The first damping rod 201, the second damping rod 205, the first spring 202 and the second spring 206 enable the U-shaped fixing plate 203 to perform shock absorption operations in the horizontal and vertical directions, ensuring the overall stability of the U-shaped fixing plate 203, ensuring the stability of the device to a certain extent, and extending its service life.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is limited by the attached embodiments and their equivalents.

Claims

1. A crane anti-collision device, comprising a track block (1), characterized in that: A crane body (101) is arranged at the middle of the bottom side of the track block (1), and side car bodies (102) are symmetrically arranged on both sides of the crane body (101). The bottom of the crane body (101) and the side car bodies (102) are both provided with a stabilizing structure, and the stabilizing structure includes a U-shaped mounting plate (2) arranged at the bottom position of the crane body (101) and the side car body (102), and the opposite side plate of the U-shaped mounting plate (2) is vertically slidably connected with the crane body (101) and the side car body (102) at the corresponding position. A first spring (202) is connected between the horizontal bottom plate of the U-shaped mounting plate (2) and the four corners of the bottom surfaces of the overhead crane body (101) and the side car body (102) at corresponding positions; a first damping rod (201) is inserted into the first spring (202); the bottom end of the first damping rod (201) is connected to the horizontal bottom plate of the U-shaped mounting plate (2); the top end of the first damping rod (201) is connected to the bottom surfaces of the overhead crane body (101) and the side car body (102) at corresponding positions; and a U-shaped fixing plate (203) is arranged on the outside of the U-shaped mounting plate (2).

2. The overhead travelling crane anti-collision device according to claim 1, characterized in that: The outer side surfaces of the opposite side plates of the U-shaped fixing plate (203) are symmetrically fixed with limiting cross bars (204), the outer side surfaces of the opposite side plates of the U-shaped fixing plate (203) are fixed with second springs (206), one end of the second spring (206) is connected to the opposite side plates of the U-shaped mounting plate (2), and the limiting cross bars (204) penetrate the U-shaped fixing plate (203) and slide with the U-shaped fixing plate (203).

3. The overhead travelling crane anti-collision device according to claim 2, characterized in that: A second damping rod (205) is inserted into the second spring (206), one end of the second damping rod (205) is connected to the opposite side plate of the U-shaped mounting plate (2), and the other end is connected to the opposite side plate of the U-shaped fixing plate (203), a sliding block (208) is fixed on the bottom horizontal plate of the U-shaped fixing plate (203), and a sliding hole (207) adapted to the sliding block (208) is opened on the U-shaped mounting plate (2).

4. The overhead travelling crane anti-collision device according to claim 1, characterized in that: An alarm host (3) is arranged at the bottom of the bottom transverse plate of the U-shaped fixing plate (203), a first laser sensor (301) and a second laser sensor (302) are arranged on both sides of the U-shaped fixing plate (203) located at the bottom of the overhead crane body (101), and a first laser sensor (301) and a second laser sensor (302) are arranged on one side of the U-shaped fixing plate (203) located at the bottom of the side car body (102).

5. The overhead travelling crane anti-collision device according to claim 4, characterized in that: A reflective plate body (305) is arranged on one side of the U-shaped fixed plate (203) located at the bottom of the side vehicle body (102), a fixed frame is fixed on the outside of the reflective plate body (305), and a connecting line (303) is electrically connected between the first laser sensor (301) and the second laser sensor (302) and the corresponding alarm host (3).

6. The overhead travelling crane anti-collision device according to claim 5, characterized in that: The alarm host (3) is electrically connected to a power supply wiring (304); the U-shaped fixing plate (203) is provided with mounting adsorption grooves (306) respectively adapted to the alarm host (3), the first laser sensor (301), the second laser sensor (302) and the fixing frame; the overhead car body (101) and the side car body (102) are controlled to slide on the track block (1).

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