Safe anti-skid device for gantry crane

Abstract

The utility model relates to the technical field of gantry cranes, and discloses a safety anti-skid device for a gantry crane, which comprises a track, a main beam, a support rod fixedly connected to the bottom of the main beam, a traveling wheel mounted on the surface of the support rod, and a bottom plate fixedly connected to the top of the support rod, the top of the bottom plate is provided with an extrusion mechanism and is fixedly connected with a vertical plate, and the top of the vertical plate is fixedly connected with a transverse plate; when the device is used, a worker can limit the position of the supporting rod through matching of the clamping plate and the clamping groove, the stability of the main beam is improved, meanwhile, in the device, the moving plate and the clamping plate are both arranged on one side of the supporting rod, and therefore the influence of the moving plate on follow-up hoisting operation can be reduced, and the working efficiency is improved. The problems that when part of existing gantry cranes are used, the gantry cranes are easily affected by strong wind to move, and surrounding objects and workers are easily threatened due to accidental movement of the gantry cranes are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gantry crane technical field, concretely is a safety antiskid device for gantry crane. BACKGROUND

[0002] Gantry crane is a deformation equipment of bridge crane, and is named because of the metal structure like "door frame", is widely used in port, freight yard, construction site and other outdoor scenes of heavy goods loading and unloading and carrying operation, and is usually composed of main beam, track, lifting mechanism and walking wheel, and the cooperation of walking wheel and track can drive the main beam to move.

[0003] When the gantry crane is used, the labor intensity of the laborer is reduced, but at present, safety accidents occur occasionally under the outdoor extreme condition of part of the gantry crane, when strong wind is encountered, the wind force can be applied on the main beam of the gantry crane, so that the main beam is inclined or moves, when the gantry crane is affected by the wind force and moves, the gantry crane can be out of control, and even the situation that the surrounding objects or personnel are collided can occur, and the safety is relatively poor. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a safety antiskid device for gantry crane to solve the problems in the above background.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a safety antiskid device for gantry crane, which comprises a track, a main beam, a support rod fixedly connected to the bottom of the main beam, a walking wheel installed on the surface of the support rod, and further comprises:

[0006] A bottom plate fixedly connected to the top of the support rod, wherein the top of the bottom plate is provided with an extrusion mechanism and is fixedly connected with a vertical plate, the top of the vertical plate is fixedly connected with a horizontal plate, and the top of the horizontal plate is fixedly connected with a L-shaped frame;

[0007] A reset mechanism installed on the top of the inner wall of the L-shaped frame, wherein the surface of the reset mechanism is provided with a moving plate, the bottom of the moving plate is fixedly connected with a clamping plate, the surface of the clamping plate is in contact with the inner wall of a clamping groove formed in the surface of the track.

[0008] Preferably, the extrusion mechanism comprises a motor, a rotating shaft and an extrusion plate, the motor is fixedly connected to the top of the bottom plate, the rotating shaft is fixedly connected with the output shaft of the motor, the extrusion plate is fixedly connected to the top of the rotating shaft, the rotating shaft penetrates through the horizontal plate, and the surface of the extrusion plate is in contact with the surface of the moving plate.

[0009] Preferably, the surface of the moving plate is fixedly connected with a limiting strip, and the surface of the extrusion plate is in contact with the surface of the limiting strip.

[0010] Preferably, the reset mechanism comprises a hollow box, a reset plate and a first tension spring, the hollow box is fixedly connected to the top of the inner wall of the frame, the reset plate is slidably penetrated through the surface of the hollow box, the moving plate is fixedly connected to the surface of the reset plate, and the first tension spring is arranged in the hollow box.

[0011] Preferably, the reset plate is of T-shaped design, and the length of the inner wall of the hollow box is greater than the length of the reset plate.

[0012] Preferably, the surface of the support rod is fixedly connected with a guide rod, the guide rod is slidably penetrated through the moving plate, and the surface of the guide rod is sleeved with a second tension spring.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] In use, the staff can remove the pushing of the moving plate by rotating the extrusion plate, at this time, the clamping plate moves with the moving plate and cooperates with the clamping groove, thereby limiting the position of the support rod and increasing the stability of the main beam. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a three-dimensional structure schematic view of the utility model removing the track;

[0017] Figure 3 It is a three-dimensional structure schematic view of the utility model cutting the horizontal plate;

[0018] Figure 4 It is a three-dimensional structure schematic view of the utility model cutting the local part and cutting the hollow box;

[0019] Figure 5 It is a three-dimensional structure schematic view of the utility model.

[0020] In the drawing: 1, track; 2, main beam; 3, support rod; 4, walking wheel; 5, bottom plate; 6, extrusion mechanism; 61, motor; 62, rotating shaft; 63, extrusion plate; 7, vertical plate; 8, horizontal plate; 9, frame; 10, reset mechanism; 101, hollow box; 102, reset plate; 103, first tension spring; 11, moving plate; 12, clamping plate; 13, limiting strip; 14, guide rod; 15, second tension spring; 16, clamping groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figures 1-5 As shown in the figure, a safety anti-skid device for a gantry crane, including track 1, main beam 2, fixedly connected to the bottom of the support rod 3 of the main beam 2 and the walking wheel 4 installed on the surface of the support rod 3, walking wheel 4 and track 1 can be matched to move the main beam 2 and support rod 3, the use of walking wheel 4 is a mature technology, hereinafter will not be described, the top of the support rod 3 is fixedly connected with the bottom plate 5, the top of the bottom plate 5 is installed with the extrusion mechanism 6 and is fixedly connected with the vertical plate 7, the top of the vertical plate 7 is fixedly connected with the horizontal plate 8, the top of the horizontal plate 8 is fixedly connected with the L-shaped frame 9, the inner wall of the L-shaped frame 9 is installed with the reset mechanism 10, the surface of the reset mechanism 10 is provided with the moving plate 11, the bottom of the moving plate 11 is fixedly connected with the clamping plate 12, the surface of the clamping plate 12 is in contact with the inner wall of the clamping groove 16, the movable position of the support rod 3 can be limited by the clamping plate 12 and the clamping groove 16, so as to increase the stability of the main beam 2 when idle.

[0023] The extrusion mechanism 6 includes motor 61, shaft 62 and extrusion plate 63, the top of the motor 61 is fixedly connected with the bottom plate 5, the output shaft of the motor 61 is fixedly connected with the shaft 62, the top of the shaft 62 is fixedly connected with the extrusion plate 63, the shaft 62 rotates through the horizontal plate 8, when the main beam 2 is idle, the staff starts the motor 61, the shaft 62 rotates and drives the extrusion plate 63 to rotate, the surface of the extrusion plate 63 is in contact with the surface of the moving plate 11, the extrusion plate 63 rotates and extrudes and pushes the moving plate 11, so as to adjust the position of the clamping plate 12, when the contact between the clamping plate 12 and the clamping groove 16 is released, the limit of the support rod 3 is released, at this time the walking wheel 4 can drive the support rod 3 to move.

[0024] The surface of the moving plate 11 is fixedly connected with the limiting strip 13, the surface of the extrusion plate 63 is in contact with the surface of the limiting strip 13, the limiting strip 13 can support and guide the extrusion plate 63.

[0025] The reset mechanism 10 comprises a hollow box 101, a reset plate 102 and a first tension spring 103, the hollow box 101 is fixedly connected to the top of the inner wall of the L-shaped frame 9, the reset plate 102 is slidably penetrated through the surface of the hollow box 101, the moving plate 11 is fixedly connected to the surface of the reset plate 102, the first tension spring 103 is arranged in the interior of the hollow box 101, and the two ends of the first tension spring 103 are fixedly connected to the inner wall of the hollow box 101 and the surface of the reset plate 102 respectively, when the pressing plate 63 rotates and contacts the moving plate 11, the moving plate 11 is pushed by extrusion, the reset plate 102 moves accordingly, the first tension spring 103 is elongated under the action of the elastic force, and then the reset plate 102 can drive the moving plate 11 to move so that the clamping plate 12 passes through the clamping groove 16, at this time, the position of the moving plate 11 is fixed, the position of the supporting rod 3 is reinforced, and the stability of the main beam 2 when idle is increased.

[0026] The reset plate 102 is designed in a T shape, the length of the inner wall of the hollow box 101 is greater than that of the reset plate 102, and the reset plate 102 is matched with the inner wall of the hollow box 101, so that the stability of the moving plate 11 when moving is increased.

[0027] The surface of the supporting rod 3 is fixedly connected with a guide rod 14, the guide rod 14 is slidably penetrated through the moving plate 11, and the surface of the guide rod 14 is sleeved with a second tension spring 15, the guide rod 14 is arranged to guide the movement of the moving plate 11, and the second tension spring 15 is arranged to assist the movement of the moving plate 11.

[0028] Working principle: the staff can drive the supporting rod 3 to move through the walking wheel 4, at this time, the main beam 2 can be stably moved, when the main beam 2 is idle, the staff starts the motor 61, the rotating shaft 62 drives the pressing plate 63 to rotate, at this time, the extrusion of the pressing plate 63 on the moving plate 11 is removed, the moving plate 11 moves to the position where the supporting rod 3 is located under the action of the elastic force of the first tension spring 103 and the second tension spring 15, the clamping plate 12 moves along with the moving plate 11, and the clamping plate 12 passes through the clamping groove 16, so that the position of the supporting rod 3 is fixed, the stability of the main beam 2 and the supporting rod 3 is increased, and the possibility of accidental movement of the supporting rod 3 is reduced;

[0029] Then, the staff can start the motor 61 to perform reverse operation, the rotating shaft 62 drives the pressing plate 63 to rotate reversely, the pressing plate 63 extrudes and pushes the moving plate 11, the moving plate 11 drives the clamping plate 12 to move out of the clamping groove 16, the limiting of the supporting rod 3 is removed, and the staff can drive the supporting rod 3 to move through the walking wheel 4, so as to adjust and use the position of the main beam 2.

[0030] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0031] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A safety anti-skid device for gantry crane, comprising a track (1), a main beam (2), a support rod (3) fixedly connected to the bottom of the main beam (2), and a walking wheel (4) installed on the surface of the support rod (3), characterized in that, Also include: The bottom plate (5) is fixedly connected to the top of the support rod (3), the top of the bottom plate (5) is provided with an extrusion mechanism (6), and a vertical plate (7) is fixedly connected; the top of the vertical plate (7) is fixedly connected with a horizontal plate (8), and the top of the horizontal plate (8) is fixedly connected with a frame (9); The reset mechanism (10) is installed on the top of the inner wall of the frame (9), and the surface of the reset mechanism (10) is provided with a moving plate (11); the bottom of the moving plate (11) is fixedly connected with a clamping plate (12), and the surface of the track (1) is provided with a clamping groove (16); the surface of the clamping plate (12) is in contact with the inner wall of the clamping groove (16).

2. A safety anti-skid device for gantry crane according to claim 1, characterized in that: The extrusion mechanism (6) comprises a motor (61), a rotating shaft (62) and an extrusion plate (63), the motor (61) is fixedly connected to the top of the bottom plate (5), the rotating shaft (62) is fixedly connected with the output shaft of the motor (61), the extrusion plate (63) is fixedly connected to the top of the rotating shaft (62), the rotating shaft (62) penetrates through the horizontal plate (8), and the surface of the extrusion plate (63) is in contact with the surface of the moving plate (11).

3. A safety anti-skid device for gantry crane according to claim 2, characterized in that: The surface of the moving plate (11) is fixedly connected with a limiting strip (13), and the surface of the extrusion plate (63) is in contact with the surface of the limiting strip (13).

4. The safety anti-skid device for gantry crane according to claim 1, characterized in that: The reset mechanism (10) comprises a hollow box (101), a reset plate (102) and a first tension spring (103), the hollow box (101) is fixedly connected to the top of the inner wall of the frame (9), the reset plate (102) slides through the surface of the hollow box (101), the surface of the moving plate (11) is fixedly connected with the surface of the reset plate (102), and the first tension spring (103) is arranged in the hollow box (101).

5. A safety anti-skid device for gantry crane according to claim 4, characterized in that: The reset plate (102) is T-shaped, and the length of the inner wall of the hollow box (101) is greater than the length of the reset plate (102).

6. A safety anti-skid device for gantry crane according to claim 1, characterized in that: The surface of the support rod (3) is fixedly connected with a guide rod (14), the guide rod (14) slides through the moving plate (11), and the surface of the guide rod (14) is sleeved with a second tension spring (15).

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