Gantry anti-collision device of gantry crane

Abstract

The utility model belongs to the technical field of gantry type crane gantries, and discloses a gantry type crane gantry anti-collision device which comprises a crane gantry main body, an anti-collision assembly is installed on the surface of the crane gantry main body, and the anti-collision assembly comprises an arc-shaped anti-collision plate. Arc-shaped anti-collision plates are symmetrically arranged on the surface of the crane portal frame body, first sliding blocks are arranged in grooves formed in the surfaces of the arc-shaped anti-collision plates, first hinge blocks are symmetrically installed on the surfaces of one sides of the first sliding blocks, and two second sliding blocks are slidably connected into sliding grooves formed in the surface of the crane portal frame body. The portal frame protection device has the advantages that the portal frame of the portal crane can be protected, and the situation that a driver collides with the portal frame easily when driving improperly is avoided; the portal frame is damaged; and the portal crane collapses.

Description

TECHNICAL FIELD

[0001] The utility model belongs to portal crane technology field, specifically is a portal crane portal anti -collision device. BACKGROUND

[0002] The portal crane mostly along the ground or the crane track on the building runs, carries out hoisting and unloading operation, and the portal crane has lifting, rotating, amplitude changing and running mechanisms, the first three mechanisms are installed on the rotating part, and each cycle participates in operation, and the rotating part is also provided with a tiltable inclined single-arm frame or a combined arm frame and a driver room, and the running mechanism is installed on the lower part of the portal for adjusting the working position of the crane, and the portal crane with a bucket is also provided with additional equipment such as a telescopic hopper and a belt conveyor to improve the productivity of the portal crane when loading and unloading bulk materials with a grab bucket, and in addition to electrical protection devices, safety devices such as a lifting weight or lifting torque limiter and a crane rail clamp are also installed;

[0003] The portal crane has enough space at the bottom to allow vehicles to pass through during use, but the existing portal crane does not have the effect of protecting the portal, and when the driver drives improperly, it is easy to collide with the portal, causing the portal to be damaged and the portal crane to collapse, which endangers the life safety of the operator.

[0004] Therefore, a portal crane portal anti-collision device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] To solve the problems in the background art, the utility model provides a portal crane portal anti-collision device, which has the advantages of being able to protect the portal of the portal crane, avoiding collisions with the portal when the driver drives improperly, and preventing the portal from being damaged and the portal crane from collapsing.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a portal crane portal anti-collision device, comprising a crane portal main body, and an anti-collision assembly is installed on the surface of the crane portal main body.

[0007] The anti-collision assembly comprises an arc-shaped anti-collision plate, the surface of the crane portal main body is symmetrically provided with an arc-shaped anti-collision plate, a sliding block one is arranged in the groove formed in the surface of the arc-shaped anti-collision plate, a hinge block one is symmetrically installed on one side surface of the sliding block one, two sliding blocks two are slidably connected in the sliding groove formed in the surface of the crane portal main body, a hinge block two is installed on one side surface of the sliding block two, a connecting rod is hinged between the hinge block one and the hinge block two, an energy absorption block is installed on the surface of the sliding block two, and a dismounting and replacing assembly is installed on the surface of the arc-shaped anti-collision plate.

[0008] Preferably, a guide rod is slidably connected between the two sliding blocks II, and the two ends of the guide rod sequentially penetrate the two sliding blocks II and the energy-absorbing block and are installed in the sliding groove formed on the surface of the crane gantry main body.

[0009] Preferably, the energy-absorbing block is an elastic rubber energy-absorbing block for buffering the force generated by the collision.

[0010] Preferably, a positioning disc is symmetrically installed on the surface of the guide rod, and the positioning disc is attached to the sliding block II.

[0011] Preferably, an adjusting rod is installed at the two ends of the rotating rod in the articulated block I and the articulated block II, a torsional spring is sleeved outside the adjusting rod, one end of the torsional spring is connected with the articulated block I or the articulated block II, and the other end of the torsional spring is connected with the adjusting rod.

[0012] Preferably, the dismounting and replacing assembly comprises a bolt rod, a through hole is formed in the surface of the arc-shaped anti-collision plate, the bolt rod is slidably connected in the through hole, and the other end of the bolt rod sequentially penetrates the arc-shaped anti-collision plate and the sliding block I and extends to the other side of the arc-shaped anti-collision plate.

[0013] Preferably, a nut is threadedly connected at the two ends of the bolt rod, and the nut is attached to the arc-shaped anti-collision plate.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] 1. The anti-collision assembly is arranged, the arc-shaped anti-collision plate can prevent the crane gantry main body from being collided, the collision between the crane gantry main body and the driver due to improper driving is avoided, the crane gantry main body is prevented from being damaged and collapsing, and the life safety of the operator is prevented from being harmed.

[0016] 2. The dismounting and replacing assembly is arranged, the arc-shaped anti-collision plate is dismounted and replaced, the damaged arc-shaped anti-collision plate can be replaced, and the protection effect of the crane gantry main body is improved. DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is an arc-shaped anti-collision plate cross section structure schematic view of the utility model;

[0019] Figure 3 It is an arc-shaped anti-collision plate and sliding block I structure schematic view of the utility model;

[0020] Figure 4The utility model discloses a sliding block two and guiding rod etc. structure schematic diagram.

[0021] In the figure: 1, crane portal main body;2, anti -collision subassembly;21, arc anti -collision board;22, sliding block one;23, articulated block one;24, sliding block two;25, articulated block two;26, connecting rod;27, energy -absorbing block;28, guiding rod;29, positioning disc;210, adjusting rod;211, torsional spring;3, dismounting and replacement subassembly;31, bolt bar;32, nut. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of protection of the utility model.

[0023] As Figures 1 to 4 The utility model provides a portal crane portal anti -collision device, including crane portal main body 1, the surface of crane portal main body 1 is installed with anti -collision subassembly 2;

[0024] Anti -collision subassembly 2 includes arc anti -collision board 21, and the surface of crane portal main body 1 is provided with arc anti -collision board 21 symmetrically, and sliding block one 22 is arranged in the recess of the surface of arc anti -collision board 21, and articulated block one 23 is installed on one side surface of sliding block one 22 symmetrically, and two sliding block two 24 are connected with sliding in the sliding groove of the surface of crane portal main body 1, and articulated block two 25 is installed on the side surface of sliding block two 24, and connecting rod 26 is articulated between articulated block one 23 and articulated block two 25, and energy -absorbing block 27 is installed on the surface of sliding block two 24, and dismounting and replacement subassembly 3 is installed on the surface of arc anti -collision board 21, and arc anti -collision board 21 can carry out anti -collision treatment to crane portal main body 1, avoids the collision of crane portal main body 1 with the easy collision of crane portal main body 1 when driver drives improperly, leads to the damage of crane portal main body 1 and makes crane portal main body 1 collapse, causes the harm of life safety to operating personnel.

[0025] Specifically, guiding rod 28 is connected with sliding between two sliding block two 24, and the both ends of guiding rod 28 are sequentially penetrated sliding block two 24 and energy -absorbing block 27 and are installed in the sliding groove of the surface of crane portal main body 1, and guiding rod 28 can guide the position of sliding block two 24 and energy -absorbing block 27, avoids the position deviation of sliding block two 24 and energy -absorbing block 27 when moving.

[0026] As Figures 1 to 4 Indicated, energy -absorbing block 27 is made of elastic " rubber material " and is used for buffering the force generated by collision.

[0027] Further, the surface of the guide rod 28 is symmetrically provided with a positioning disc 29, which is attached to the sliding block two 24, so as to position the position of the sliding block two 24.

[0028] It is worth noting that the two ends of the rotating rod inside the hinged block one 23 and the hinged block two 25 are provided with an adjusting rod 210, the adjusting rod 210 is sleeved with a torsional spring 211, one end of the torsional spring 211 is connected with the hinged block one 23 or the hinged block two 25, the other end of the torsional spring 211 is connected with the adjusting rod 210, the torsional spring 211 can assist the connecting rod 26 to reset, so as to make the device return to the state before the collision.

[0029] As shown in Figures 1 to 4 , the disassembly and replacement assembly 3 includes a plug-in rod 31, the arc-shaped anti-collision plate 21 is provided with a through hole, the plug-in rod 31 is slidably connected in the through hole, the other end of the plug-in rod 31 penetrates the arc-shaped anti-collision plate 21 and the sliding block one 22 in sequence, and extends to the other side of the arc-shaped anti-collision plate 21, so as to realize the disassembly and replacement of the arc-shaped anti-collision plate 21, so that the damaged arc-shaped anti-collision plate 21 can be replaced, and the protection effect of the crane gantry main body 1 is improved.

[0030] It is worth emphasizing that the two ends of the plug-in rod 31 are threadedly connected with nuts 32, the nuts 32 are attached to the arc-shaped anti-collision plate 21, so as to fix the position of the plug-in rod 31.

[0031] Working principle and process: when the driver drives improperly and collides with the crane gantry main body 1, the arc-shaped anti-collision plate 21 is impacted, and the arc-shaped anti-collision plate 21 moves to one side of the crane gantry main body 1, at this time the arc-shaped anti-collision plate 21 drives the hinged block one 23 to move through the sliding block one 22, so as to drive the sliding block two 24 to slide on the surface of the guide rod 28 through the connecting rod 26 and the hinged block two 25, the guide rod 28 can guide the moving position of the sliding block two 24, so as to avoid the position deviation of the sliding block two 24 in the sliding process, at this time the two sliding blocks two 24 slide towards opposite directions, at this time the adjusting rod 210 on the hinged block one 23 and the hinged block two 25 drives the torsional spring 211 to deform, the torsional spring 211 can assist the connecting rod 26 to reset, so as to make the device return to the state before the collision, as the sliding block two 24 continuously moves, the sliding block two 24 extrudes the energy-absorbing block 27, so as to buffer the impact generated by the collision, at this time the arc-shaped anti-collision plate 21 can prevent the collision of the crane gantry main body 1, so as to avoid the collision between the driver and the crane gantry main body 1 when the driver drives improperly, so as to avoid the damage of the crane gantry main body 1 and the collapse of the crane gantry main body 1, and harm the life safety of the operator;

[0032] When the arc-shaped anti-collision plate 21 is damaged in a collision, the operator rotates the nut 32 to make the nut 32 disengage from both ends of the bolt rod 31, then the operator pulls the bolt rod 31 to make the bolt rod 31 disengage from the inside of the sliding block one 22, then the operator pulls the arc-shaped anti-collision plate 21 to make the arc-shaped anti-collision plate 21 separate from the sliding block one 22, thereby achieving the dismounting and replacing of the arc-shaped anti-collision plate 21, so that the damaged arc-shaped anti-collision plate 21 can be replaced, thereby improving the protection effect of the crane gantry main body 1.

[0033] It should be noted that the arc-shaped anti-collision plate 31 is in an arc-shaped structure, thereby improving the range of protection of the crane gantry main body 1.

[0034] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any actual such relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device.

[0035] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A portal collision prevention device for a portal crane, comprising a crane portal body (1), characterized in that: The surface of the crane gantry body (1) is provided with an anti-collision assembly (2); The anti-collision assembly (2) comprises an arc-shaped anti-collision plate (21), the surface of the crane gantry body (1) is provided with the arc-shaped anti-collision plate (21) in a symmetrical manner, a recess is formed in the surface of the arc-shaped anti-collision plate (21) and a sliding block one (22) is arranged in the recess, a hinged block one (23) is symmetrically arranged on one side surface of the sliding block one (22), two sliding blocks two (24) are slidably connected in the sliding groove formed in the surface of the crane gantry body (1), a hinged block two (25) is arranged on one side surface of the sliding block two (24), a connecting rod (26) is hinged between the hinged block one (23) and the hinged block two (25), an energy-absorbing block (27) is arranged on the surface of the sliding block two (24), and a dismounting and replacing assembly (3) is arranged on the surface of the arc-shaped anti-collision plate (21).

2. A portal collision avoidance device for a portal crane according to claim 1, characterized in that: Two sliding blocks two (24) are slidably connected between the two sliding blocks two (24), and the two ends of the guide rod (28) penetrate the sliding block two (24) and the energy-absorbing block (27) in sequence and are arranged in the sliding groove formed in the surface of the crane gantry body (1).

3. A portal collision avoidance device for a portal crane according to claim 2, characterized in that: The energy-absorbing block (27) is an elastic rubber energy-absorbing block, which is used for buffering the force generated by the collision.

4. A portal collision avoidance device for a portal crane according to claim 3, characterized in that: The surface of the guide rod (28) is symmetrically provided with a positioning disc (29), and the positioning disc (29) is attached to the sliding block two (24).

5. A portal collision avoidance device for a portal crane according to claim 4, characterized in that: The two ends of the rotating rod in the hinged block one (23) and the hinged block two (25) are both provided with an adjusting rod (210), a torsional spring (211) is arranged on the adjusting rod (210), one end of the torsional spring (211) is connected with the hinged block one (23) or the hinged block two (25), and the other end of the torsional spring (211) is connected with the adjusting rod (210).

6. A portal collision avoidance device for a portal crane according to claim 1, characterized in that: The dismounting and replacing assembly (3) comprises a bolt rod (31), the bolt rod (31) is slidably connected in the through hole formed in the surface of the arc-shaped anti-collision plate (21), the other end of the bolt rod (31) penetrates the arc-shaped anti-collision plate (21) and the sliding block one (22) in sequence and extends to the other side of the arc-shaped anti-collision plate (21).

7. A portal collision avoidance device for a portal crane according to claim 6, characterized in that: The two ends of the bolt rod (31) are both threadedly connected with a nut (32), and the nut (32) is attached to the arc-shaped anti-collision plate (21).

Images