Heading machine capable of standing to control four-way pilot handle

By installing a dual four-way pilot handle connected to a multi-way valve and a three-way ball valve on the tunnel boring machine, combined with a detachable vertical bracket, the problem of the low position of the handle on the cantilever tunnel boring machine control console is solved, flexible control in standing and sitting positions is achieved, and operational convenience and safety are improved.

CN223447350UActive Publication Date: 2025-10-17YANGQUAN COAL IND GRP XINYUAN MACHINERY
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422795237.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-17
Publication Date
2025-10-17
Estimated Expiration
2034-11-17

AI Technical Summary

Technical Problem

The four-way pilot handle of the existing cantilever tunnel boring machine control console is positioned low, forcing the operator to bend over to operate the machine while standing and observing, causing fatigue and operational errors, and even potentially leading to accidents.

Method used

The first four-way pilot handle is designed to be set on the seat box operating table, and the second four-way pilot handle is designed to be set on the tunnel boring machine cover. The oil circuit is connected through a multi-way valve and a three-way ball valve to achieve flexible control in standing and sitting positions. Combined with a detachable vertical bracket and emergency stop button, it ensures convenience and safety of operation.

Benefits of technology

It enables easy operation of the tunnel boring machine in both standing and sitting positions, reducing operator fatigue, lowering the risk of operating errors, and improving operational safety and equipment service life.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223447350U_ABST
    Figure CN223447350U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of heading machine control, and provides a heading machine capable of standing to control four-way pilot handles, which is characterized by comprising a heading machine body, a first four-way pilot handle and a second four-way pilot handle are arranged on the heading machine body, and the first four-way pilot handle is arranged on a handle connecting frame on a seat box operating table. The second four-way pilot handle is arranged on a cover plate of the heading machine or a handle vertical frame on the cover plate; the first four-way pilot handle and the second four-way pilot handle are both provided with oil ways through a multi-way valve in the operation table. The standing and sitting dual-purpose heading machine is simple in structure, reasonable in design, convenient and practical, and can be used for standing and sitting, and the four-way pilot handle is easily controlled to control rotation lifting of the heading machine.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the control technical field of heading machine, and relates to a heading machine control handle, in particular to a heading machine capable of standing and controlling four-way pilot handle. BACKGROUND

[0002] The existing cantilever type heading machine control console only has one four-way pilot handle for controlling the rotation and lifting of the cutting part, which is arranged in the operator's seat box, as shown in the figure, and is relatively low in position. Figure 1 When the heading machine is running in the tunnel for heading work, the operator needs to observe the heading work state in front many times, at which time he needs to stand up for observation, and then bend down to control the four-way pilot handle when he needs to operate and control, which is very inconvenient for long time work, easily causes the operator's physical fatigue, and makes the operator stand up and use his feet to illegally control the four-way pilot handle many times, which easily causes control failure and even causes the handle rod to break, the cutting part to lose control, and accidents to occur in the heading work face. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a heading machine capable of standing and controlling four-way pilot handle, which can easily control the four-way pilot handle to control the heading machine in standing or sitting position.

[0004] The utility model adopts the technical scheme that

[0005] A heading machine capable of standing and controlling four-way pilot handle, comprising a heading machine body, a first four-way pilot handle and a second four-way pilot handle are arranged on the heading machine body, the first four-way pilot handle is arranged on a handle connecting frame on the seat box operation table, and the second four-way pilot handle is arranged on a handle vertical frame on the heading machine cover plate or the cover plate;

[0006] The first four-way pilot handle and the second four-way pilot handle are both provided with oil paths by a multi-way valve in the operation table, one Z port of the multi-way valve is connected with two groups of four-way pilot handle oil paths, a three-way ball valve is arranged between the Z port of the multi-way valve and the two groups of four-way pilot handles, one inlet of the three-way ball valve is connected with the Z port of the multi-way valve, two outlets of the three-way ball valve are connected with the Z ports of the first four-way pilot handle and the second four-way pilot handle respectively, the rotation control oil inlet KA1 and KB1 of the four-way pilot handle on the multi-way valve are connected with three-way joints respectively, and the three-way joints are connected with Ka1 and Kb1 of the first four-way pilot handle and the second four-way pilot handle respectively; the cutting and lifting oil cylinder control oil inlet KA2 and KB2 of the four-way pilot handle on the multi-way valve are connected with three-way joints respectively, and the three-way joints are connected with Ka2 and Kb2 of the first four-way pilot handle and the second four-way pilot handle respectively; the oil discharge ports t of the first four-way pilot handle and the second four-way pilot handle are connected with an oil discharge block respectively, and the oil discharge block is connected with an oil tank.

[0007] Further, the handle connecting frame is connected to the mounting bracket on the operation table, and two groups of mounting holes are arranged on the handle connecting frame, one group of mounting holes corresponds to the threaded holes on the handle support of the operation table, and the other group of mounting holes corresponds to the curtain threaded holes on the side of the cover plate of the heading machine body.

[0008] Further, the handle vertical frame is a detachable vertical frame which is composed of a bracket long pipe, a bracket upper plate and a bracket lower plate, the bracket lower plate is provided with mounting holes connected to the cover plate of the heading machine body, and the bracket upper plate is provided with mounting holes connected to the four-way pilot handle.

[0009] Further, the bracket long pipe is further provided with an emergency stop button bracket, and the emergency stop button bracket is provided with an emergency stop button.

[0010] The utility model has the advantages of simple structure, reasonable design, realization of standing and sitting dual use, easy control of the four-way pilot handle to control the rotation and lifting of the heading machine, and convenience and practicality. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a schematic view of the position of the four-way pilot handle of the existing heading machine and the position of the operator;

[0012] Figure 2 and Figure 3 is a schematic view of the position of the four-way pilot handle of the heading machine and the position of the operator of the utility model;

[0013] Figure 4 is a schematic view of the structure of the handle vertical frame in the utility model;

[0014] Figure 5 is a schematic view of the pipe arrangement structure of the four-way pilot handle of the utility model;

[0015] In the figure, 1 is a handle connecting frame, 2 is a first four-way pilot handle, 3 is a second four-way pilot handle, 4 is a handle vertical frame, 41 is a bracket long pipe, 42 is a bracket upper plate, 43 is a bracket lower plate, 44 is an emergency stop button bracket, 45 is an emergency stop button, 5 is a three-way ball valve, 6 is an oil discharge block, 7 is a multi-way valve, 8 is a cutting rotation oil cylinder, 9 is a cutting lifting oil cylinder, 10 is an operation table handle support, 11 is a heading machine cover plate curtain, 12 is a three-way joint, 13 is an oil supply pipe, 14 is an oil return pipe, and 15 is an oil discharge pipe. DETAILED DESCRIPTION

[0016] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0017] A tunneling machine capable of standing and controlling a four-way pilot handle, as shown in the figure, comprises a tunneling machine body, a first four-way pilot handle 2 and a second four-way pilot handle 3 are arranged on the tunneling machine body, the first four-way pilot handle 2 is arranged on a handle connecting frame 1 on a seat box operation table, and the second four-way pilot handle is arranged on a handle vertical frame 4 on a baffle 11 of a tunneling machine cover plate or on the cover plate. Figures 1 to 4

[0018] The first four-way pilot handle 2 and the second four-way pilot handle 3 are both provided with oil paths by a multi-way valve 7 in the operation table, a Z port of the multi-way valve 7 is connected to two groups of four-way pilot handle oil paths, a three-way ball valve 5 is arranged between the Z port of the multi-way valve 7 and the two groups of four-way pilot handles, one inlet of the three-way ball valve 5 is respectively connected to the Z port of the multi-way valve 7, two outlets of the three-way ball valve 5 are respectively connected to a Z port of the first four-way pilot handle 2 and a Z port of the second four-way pilot handle 3, a cutting rotary cylinder 8 control oil inlet KA1 and KB1 connected to the four-way pilot handle on the multi-way valve 7 are respectively connected to one three-way joint 12, and the other two ends of the three-way joint 12 are respectively connected to Ka1 and Kb1 of the first four-way pilot handle 2 and the second four-way pilot handle 3; a cutting lifting cylinder 9 control oil inlet KA2 and KB2 connected to the four-way pilot handle on the multi-way valve 7 are also respectively connected to one three-way joint, and the other two ends of the three-way joint are respectively connected to Ka2 and Kb2 of the first four-way pilot handle 2 and the second four-way pilot handle 3; the drain ports t of the first four-way pilot handle 2 and the second four-way pilot handle 3 are respectively connected to a drain block 6, and the drain block 6 is connected to a drain pipe 15 back to an oil tank.

[0019] The handle connecting frame 1 is a mounting bracket connected to the operation table, and two groups of mounting holes are arranged on the handle connecting frame 1, one group of mounting holes corresponds to threaded holes on a handle support 10 of the operation table, and the other group of mounting holes corresponds to baffle threaded holes on a side of a baffle 11 of a tunneling machine cover plate.

[0020] The handle vertical frame 4 is a detachable vertical support, which is composed of a support long pipe 41, a support upper plate 42 and a support lower plate 43, the support lower plate 43 is provided with mounting holes connected to a cover plate of the tunneling machine body, and the support upper plate 42 is provided with mounting holes connected to the four-way pilot handle.

[0021] ​The long pipe 41 is further provided with an emergency stop button support 44, and the emergency stop button support 44 is provided with an emergency stop button 45.

[0022] The above merely is the specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A roadheader with a four-way pilot handle that can be operated while standing, characterized by: The machine body comprises a tunnel boring machine, on which a first four-way pilot handle and a second four-way pilot handle are arranged, the first four-way pilot handle is arranged on a handle connecting frame on the seat box operating table, and the second four-way pilot handle is arranged on a tunnel boring machine cover plate or a handle stand on the cover plate; the first four-way pilot handle and the second four-way pilot handle are both provided with oil circuits by a multi-way valve in the operating table, a Z port of the multi-way valve is connected to the oil circuits of the two groups of four-way pilot handles, a three-way ball valve is arranged between the Z port of the multi-way valve and the two groups of four-way pilot handles, one inlet of the three-way ball valve is respectively connected to the Z port of the multi-way valve, and the two outlets of the three-way ball valve are respectively connected to the first four-way pilot handle and the second four-way pilot handle. The valve handle Z port, the second four-way pilot valve handle Z port, the rotation control oil inlet KA1 and KB1 connected to the four-way pilot handle on the multi-way valve are respectively connected to the three-way joints, and the three-way joints are respectively connected to the Ka1 and Kb1 of the first four-way pilot handle and the second four-way pilot handle; the cutting lifting cylinder control oil inlet KA2 and KB2 connected to the four-way pilot handle on the multi-way valve are respectively connected to the three-way joints, and the three-way joints are respectively connected to the Ka2 and Kb2 of the first four-way pilot handle and the second four-way pilot handle; the oil drain port t of the first four-way pilot handle and the second four-way pilot handle are respectively connected to the oil drain block, and the oil drain block is connected to the oil tank.

2. A roadheader with a four-way pilot handle that can be operated while standing according to claim 1, characterized in that: The handle connecting frame is a mounting bracket connected to the operating table. Two groups of mounting holes are provided on the handle connecting frame. One group of mounting holes corresponds to the threaded holes on the handle support of the operating table, and the other group of mounting holes corresponds to the curtain threaded holes on the side of the tunnel boring machine body cover.

3. The roadheader with a four-way pilot handle that can be operated while standing according to claim 1, characterized in that: The handle stand is a detachable vertical bracket, which is composed of a bracket long tube, a bracket upper plate and a bracket lower plate welded together. The bracket lower plate is provided with a mounting hole connected to the tunnel boring machine body cover plate, and the bracket upper plate is provided with a mounting hole connected to the four-way pilot handle.

4. The roadheader with a four-way pilot handle that can be operated while standing according to claim 3, characterized in that: An emergency stop button bracket is also provided on the long bracket tube, and an emergency stop button is provided on the emergency stop button bracket.