CN214417314U

CN214417314U - But remote control's roll change dolly

Info

Publication number: CN214417314U
Application number: CN202022824169.2U
Authority: CN
Inventors: 赵烽凯
Original assignee: Zhongzhong Science and Technology Tianjin Co Ltd
Current assignee: Zhongzhong Science and Technology Tianjin Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-10-19
Anticipated expiration: 2030-11-30

Abstract

The utility model provides a but remote control's roll change dolly, including frame, switch board, actuating mechanism and roll change mechanism, the roll change dolly be connected with the PLC controller through wireless communication module, can long-range receipt control signal, need not closely the operation, improved the security, the motion of rotatory hydraulic cylinder passes through hydraulic cylinder contactor control, ensures firm in connection, has improved the stability of operation.

Description

But remote control's roll change dolly

Technical Field

The utility model belongs to roll change equipment field especially relates to a but remote control's roll change dolly.

Background

According to different technological parameters in a steel rolling process, a roll changing trolley is generally required to change rolls of a rolling mill, and when the conventional roll changing trolley is operated, the conventional roll changing trolley needs to be operated by manpower beside an operation box, so that the safety is poor, the rolls are dragged insecurely, the rolls are likely to fall off, and the normal use is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a roll changing cart capable of being remotely controlled to improve the safety and stability of roll changing operation.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a roll changing trolley capable of being remotely controlled, which comprises a trolley frame, a control cabinet, a driving mechanism and a roll changing mechanism,

the driving mechanism comprises wheels arranged on the frame, a driving motor used for driving the wheels to rotate and a brake,

the roll changing mechanism comprises a rotary hydraulic cylinder fixedly connected with the frame, a T-shaped joint detachably connected with the free end of the rotary hydraulic cylinder and a proximity switch arranged on the frame, when the rotary cylinder drives the T-shaped joint to reach the limit position, the T-shaped joint is abutted against the proximity switch,

the switch board includes the cabinet body of rigid coupling on the frame, locates the internal PLC controller of cabinet, respectively with PLC controller electric connection's converter, motor contactor, hydraulic cylinder contactor and wireless communication module, converter and driving motor electric connection, motor contactor and stopper electric connection, hydraulic cylinder contactor and rotatory hydraulic cylinder electric connection, proximity switch and PLC controller electric connection.

Preferably, one end of the T-shaped joint, which is close to the rotary hydraulic cylinder, is fixedly connected with a spring plate, the free end of the spring plate is fixedly connected with a positioning pin, the free end of the rotary hydraulic cylinder is fixedly connected with a sleeve, and the sleeve is provided with a positioning hole corresponding to the positioning pin.

Preferably, the frame is provided with a carrier roller mechanism, the carrier roller mechanism comprises a support tube fixedly arranged on the frame, a support rod inserted into the support tube and a carrier roller arranged at the upper end of the support rod, the lower end of the support rod is inserted into the support tube, a return spring is arranged between the lower end of the support tube and the bottom of the support tube, and the carrier roller mechanism is symmetrically arranged.

Preferably, detection switches are respectively arranged at the front end and the rear end of the frame along the moving direction of the roll changing trolley, and the detection switches are electrically connected with the PLC.

Compared with the prior art, the roll changing trolley has the following advantages:

roll change dolly pass through wireless communication module and be connected with the PLC controller, can long-range receipt control signal, need not closely the operation, improved the security, the motion of rotatory hydraulic cylinder passes through hydraulic cylinder contactor control, ensures firm in connection, has improved the stability of operation.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic top view of a roll changing cart according to an embodiment of the present invention;

fig. 2 is a schematic view of a connection structure of a T-shaped joint and a sleeve according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a roller mechanism according to an embodiment of the present invention.

Description of reference numerals:

1. a frame; 2. a control cabinet; 3. a drive motor; 4. a brake; 5. rotating the hydraulic cylinder; 6. a T-shaped joint; 7. a spring plate; 8. positioning pins; 9. a sleeve; 10. positioning holes; 11. supporting a tube; 12. a support bar; 13. a carrier roller; 14. a return spring;

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A roll changing trolley capable of being remotely controlled, which comprises a trolley frame 1, a control cabinet 2, a driving mechanism and a roll changing mechanism,

the driving mechanism comprises wheels arranged on the frame 1, a driving motor 3 and a brake 4 for driving the wheels to rotate, a wheel shaft is arranged between two opposite wheels, the wheel shaft and the driving motor 3 are driven by gears or belts, when the roll changing trolley moves, the driving motor 3 drives the wheels to rotate so that the roll changing trolley slides along a guide rail, after the roll changing trolley reaches a specified position, the brake 4 is started to limit the selection of the driving motor 3, so that the roll changing trolley stops at the specified position, and the roll changing trolley is prevented from displacing under the action of inertia,

the roll changing mechanism comprises a rotary hydraulic cylinder 5 fixedly connected with a frame 1, a T-shaped joint 6 detachably connected with the free end of the rotary hydraulic cylinder 5 and a proximity switch arranged on the frame 1, when the rotary cylinder drives the T-shaped joint 6 to reach the limit position, the T-shaped joint 6 is abutted against the proximity switch, when roll changing is needed, the rotary cylinder firstly drives the T-shaped joint 6 to move forwards to be close to a roll, then drives the T-shaped joint 6 to rotate to hook the roll, at the moment, the T-shaped joint 6 touches the proximity switch to stop the rotation of the rotary hydraulic cylinder 5, then the rotary hydraulic cylinder 5 drives the roll to be pulled backwards to the roll to be taken out from the equipment,

the switch board 2 includes the cabinet body of rigid coupling on frame 1, locate the internal PLC controller of cabinet, respectively with PLC controller electric connection's converter, motor contactor, hydraulic cylinder contactor and wireless communication module, converter and 3 electric connection of driving motor, 4 electric connection of motor contactor and stopper, hydraulic cylinder contactor and 5 electric connection of rotatory hydraulic cylinder, proximity switch and PLC controller electric connection are equipped with the singlechip in the PLC controller, and the singlechip is equipped with a plurality of pins, and the pin is connected with converter, motor contactor, hydraulic cylinder contactor, wireless communication module, proximity switch one-to-one, realizes corresponding control.

Preferably, T type connects 6 and is close to 5 one ends rigid couplings of rotatory hydraulic cylinder and have

shell fragment

7, 7 free ends of shell fragment have solid coupling of locating

8, 5 free ends of rotatory hydraulic cylinder have solid coupling of sleeve pipe 9, be equipped with the locating hole 10 that corresponds with locating pin 8 on the sleeve pipe 9, easy dismounting presses the most distal distance of two fixed pins of shell fragment 7 and is less than the diameter of sleeve pipe 9 to connect 6 insert the sleeve pipe 9 with T type in, stretch out the completion connection until locating pin 8 follows locating hole 10, when needs are dismantled, only need with the fixed pin release from locating hole 10, outside pulling T type connect 6 can.

Preferably, the carrier roller mechanism is arranged on the frame 1, and comprises a support tube 11 fixedly arranged on the frame 1, a support rod 12 inserted into the support tube 11, and a carrier roller 13 arranged at the upper end of the support rod 12, wherein the lower end of the support rod 12 is inserted into the support tube 11, a return spring 14 is arranged between the lower end of the support tube 11 and the bottom of the support tube 11, the carrier roller mechanism is symmetrically arranged compared with the central line of the roller, and the carrier roller mechanism is used for playing a role of auxiliary support, reducing the shearing force born by the rotary hydraulic cylinder 5 and the T-shaped joint 6, and avoiding deformation, and is suitable for rollers with different diameters due to the action of the return spring 14.

Preferably, detection switches are arranged at the front end and the rear end of the frame 1 along the movement direction of the roll changing trolley respectively and are electrically connected with the PLC, when the roll changing trolley reaches a specified position, the roll changing trolley can be stopped by touching the detection switches, and the roll changing trolley is convenient and quick to use.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a but remote control's roll change dolly which characterized in that: comprises a frame, a control cabinet, a driving mechanism and a roll changing mechanism,

2. The remotely controllable roll change cart of claim 1, further comprising: and one end of the T-shaped joint close to the rotary hydraulic cylinder is fixedly connected with an elastic sheet, the free end of the elastic sheet is fixedly connected with a positioning pin, the free end of the rotary hydraulic cylinder is fixedly connected with a sleeve, and the sleeve is provided with a positioning hole corresponding to the positioning pin.

3. The remotely controllable roll change cart of claim 1, further comprising: the support roller mechanism is arranged on the frame and comprises a support pipe fixedly arranged on the frame, a support rod inserted into the support pipe and a support roller arranged at the upper end of the support rod, the lower end of the support rod is inserted into the support pipe, a reset spring is arranged between the lower end of the support pipe and the bottom of the support pipe, and the support roller mechanism is symmetrically arranged.

4. The remotely controllable roll change cart of claim 1, further comprising: and detection switches are respectively arranged at the front end and the rear end of the frame along the movement direction of the roll changing trolley, and the detection switches are electrically connected with the PLC.