CN113233327A

CN113233327A - Novel gantry crane rail clamping device

Info

Publication number: CN113233327A
Application number: CN202110524607.XA
Authority: CN
Inventors: 刘东炜; 董文龙; 王跃齐; 王国涛; 黄江涛
Original assignee: Taiyuan University of Science and Technology
Current assignee: Taiyuan University of Science and Technology
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-08-10

Abstract

The invention relates to a novel rail clamping device of a portal crane, which comprises a motor, a box body shell, a clamp, a baffle plate, a cam guide rod, a cylindrical cam, a driven shaft, a cam shell and the like. A motor shaft of the motor is connected with the cylindrical cam through a connecting key, the cylindrical cam is driven to rotate when the motor is started, the cylindrical cam drives the driven shaft to move downwards through the cam groove, and the driven shaft pushes the guide rod. One end of the guide rod is connected with the clamp, when the driven shaft moves downwards, the slide block in the clamp is driven to move downwards, and the slide block is connected with the clamp to clamp the track. The device simple structure, convenient operation can play better anticreep and prevent swift current effect, and better solution original gantry crane presss from both sides the shortcoming such as rail ware complex operation, difficult observation, can effectively guarantee gantry crane's operation safety.

Description

Novel gantry crane rail clamping device

Technical Field

The invention belongs to the technical field of crane machinery, and particularly relates to a rail clamping device of a gantry crane.

Technical Field

The gantry crane is widely applied to industries such as cargo handling and viaduct construction. Because the gantry crane is often exposed in some severe weather environments, the phenomenon that the crane slides on the rail or even falls off can occur, and potential safety hazards are brought to human bodies and mechanical equipment. In addition, a plurality of current portal crane rail clamping devices are high in manufacturing cost, complex in structure, more in installation procedures, complex in operation and difficult to observe.

Disclosure of Invention

Aiming at the problems existing in the current market products, the invention aims to provide the rail clamping device of the portal crane, which has the advantages of simple structure, simplicity in operation, convenience in installation and maintenance and low manufacturing cost, so as to meet the working requirements of the portal crane, and the rail clamping device can effectively ensure the operation safety of the portal crane.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a novel gantry crane rail clamping device, includes motor and box, and the motor is installed in the box upper end outside, and the overall structure of box has two parts to constitute, and box shell 22 lower extreme medial surface is fluted, and the fastener card on the clamp baffle 23 makes box shell 22 and clamp baffle 23 link together on the recess.

A novel gantry crane rail clamping device, motor 20 install outside box 22, cylinder cam mechanism installs in box 22, motor 20 is connected through connector 12 with cylinder cam 1 in the cylinder cam mechanism. The clamps 13.1 and 13.2 of the parallel-armed clamp are outside the box, and the rest of the parallel-armed clamp is inside the box. The parallel double-arm clamp is connected with the cylindrical cam mechanism through a driven shaft clamp connecting end 6.

The novel gantry crane rail clamping device further comprises a cylindrical cam mechanism, wherein a cylindrical cam 1 is connected with a cylindrical cam mechanism shell 11 through a bearing 2; the circumferential cam 1 is connected with the driven shaft 4 through the driven part 3 and the cam groove 10 on the driven shaft 4; the driven shaft 4 is connected with a fixed frame 5 on a cylindrical cam mechanism shell 11 through a sliding pin 8 and a guide rod sliding groove 9.

The novel rail clamping device of the portal crane further comprises parallel double-arm clamps, and the clamps 13.1 and 13.2 are respectively connected with the fixed plate 19 through a fixed plate sliding block 14.1, a fixed plate sliding block 14.2, a fixed plate sliding block 14.3, a fixed plate sliding block 14.4, a fixed plate sliding groove 15.1, a fixed plate sliding groove 15.2, a fixed plate sliding groove 15.3 and a fixed plate sliding groove 15.4; the clamp sliding block 17 is connected with the fixed plate 19 through a clamp sliding groove 18; the clamp slider 17 is connected with the clamps 13.1 and 13.2 through 4 bolts and connecting rods.

The invention also has the following technical characteristics:

in the cylindrical cam mechanism, the motor 20 drives the cylindrical cam 1 to rotate, and the cylindrical cam 1 drives the driven shaft 4 to do linear motion through the driven part 3 and the cam chute 10.

In the parallel double-arm clamp, the driven shaft 4 is connected with a clamp sliding block 17 to drive the clamp sliding block 17 to move downwards; the two clamps 13.1 and 13.2 are respectively connected with the four fixed plate sliding blocks, and the fixed plate sliding blocks are arranged in the fixed plate sliding grooves, so that the clamps can slide left and right; the clamp slider is connected with the clamp and the fixed plate slider 14 through a bolt 16 and a connecting rod, and when the clamp slider 17 moves downwards, the connecting rod drives the fixed plate slider to do linear motion towards the clamp slider, so that the clamp clamps the track.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is an external structural view of the present invention;

FIG. 3 is a schematic view of a parallel double-arm clamp of the present invention;

fig. 4 is a schematic view of the cylindrical cam mechanism of the present invention.

The meaning of the individual reference symbols in the figures is: 1-cylindrical cam, 2-bearing 1, 3-follower, 4-follower, 5-mounting, 6-follower clamp connection, 7-guide bar, 8-sliding pin, 9-guide bar sliding groove, 10-cam groove, 11-cylindrical cam mechanism housing, 12-connection key, 13.1-clamp, 13.2-clamp, 14.1-fixed plate slide, 15.1-fixed plate slide, 14.2-fixed plate slide, 15.2-fixed plate slide, 14.3-fixed plate slide, 15.3-fixed plate slide, 14.4-fixed plate slide, 15.4-fixed plate slide, 16-bolt, 17-clamp slide, 18-clamp slide, 19-fixed plate, 20-motor, 21-motor shaft, 22-case housing, 23-clamp shield.

The present invention will be explained in further detail with reference to the accompanying drawings.

Detailed Description

The drawings are simplified structural schematic diagrams, which only illustrate the basic structure of the invention in a simple manner, and therefore only show the components relevant to the invention.

As shown in fig. 1 to 4, the invention is a novel gantry crane rail clamping device, when the device works, a motor shaft 21 of a motor 20 is connected with a cylindrical cam 1 through a connecting key 12, when a motor 22 is started, the cylindrical cam 1 is driven to rotate, the cylindrical cam 1 slides in a cam groove 10 through a driven part 3 to drive a driven shaft 4 to do linear downward motion, and the driven shaft pushes a guide rod 7 to move together. One end of the guide rod 7 is connected with the clamp sliding block, when the driven shaft 4 moves downwards, the clamp sliding block 17 is driven to do linear downward movement in the clamp sliding groove 18, the clamp sliding block 17 is connected with the clamp 13 and the fixed plate sliding block 14 through the bolt 16 and the connecting rod, when the clamp sliding block 17 moves downwards, the fixed plate sliding block 14 is driven to do linear movement towards the clamp sliding block 13 through the connecting rod, and therefore the clamp also does linear movement towards the clamp sliding block 13 to clamp the track.

The integral structure of box includes box shell and clamp baffle two parts, and the box shell lower extreme medial surface is fluted, and the fastener card on the clamp baffle is on the recess, makes box shell and clamp baffle link together. The baffle plate of the case body outer shell can be formed by welding steel plates and casting or forging steel materials.

Claims

1. The utility model provides a novel gantry crane presss from both sides rail ware which characterized in that, overall structure includes the motor, the box, cylindrical cam mechanism, parallel both arms clamp.

2. A novel gantry crane rail clamp, as claimed in claim 1, wherein: the motor 20 is arranged outside the box body shell 22, the cylindrical cam mechanism is arranged in the box body shell 22, and the motor 20 is connected with the cylindrical cam 1 in the cylindrical cam mechanism through a connecting key 12; the clamp 13.1 and the clamp 13.2 in the parallel double-arm clamp are outside the box body, and the rest parts in the parallel double-arm clamp are in the box body; the parallel double-arm clamp is connected with the cylindrical cam mechanism through a driven shaft clamp connecting end 6.

3. A novel cylindrical cam mechanism of a rail clamping device of a portal crane is characterized in that a cylindrical cam 1 is connected with a cylindrical cam mechanism shell 11 through a bearing 2; the circumferential cam 1 is connected with the driven shaft 4 through the driven part 3 and the cam groove 10 on the driven shaft 4; the driven shaft 4 is connected with a fixed frame 5 on a cylindrical cam mechanism shell 11 through a sliding pin 8 and a guide rod sliding groove 9.

4. The parallel double-arm clamp as claimed in claim 1, wherein the clamp 13.1 and the clamp 13.2 are respectively connected with the fixed plate 19 through a fixed plate slide block 14.1, a fixed plate slide block 14.2, a fixed plate slide block 14.3, a fixed plate slide block 14.4, a fixed plate slide groove 15.1, a fixed plate slide groove 15.2, a fixed plate slide groove 15.3 and a fixed plate slide groove 15.4; the clamp sliding block 17 is connected with the fixed plate 19 through a clamp sliding groove 18; the clamp slider 17 is connected with the clamps 13.1 and 13.2 through 4 bolts and connecting rods.