CN-116201560-B - Multi-direction moving device for cutterhead of variable-section heading machine

CN116201560BCN 116201560 BCN116201560 BCN 116201560BCN-116201560-B

Abstract

The application relates to a multidirectional moving device for a cutterhead of a variable-section development machine, which belongs to the field of development machines and comprises a machine shell, a moving frame and a cutterhead supporting tool rest, wherein the moving frame and the tool rest are both arranged in the machine shell, a first driving piece is arranged in the machine shell and connected with the moving frame, the first driving piece drives the moving frame to reciprocate along the width direction of the machine shell, the tool rest is connected in the moving frame in a sliding manner along the vertical direction, a second driving piece is arranged on the moving frame, and the second driving piece is connected with the tool rest. The second driving piece controls the cutter frame to move along the vertical direction, so that the first direction of the cutter head is adjusted, the first driving piece drives the movable frame to move, the movable frame drives the cutter frame to move, and the second direction of the cutter head is adjusted, so that the function of changing the section of the tunneled excavator is realized, the steps of changing the cutter head or changing the radius of the cutter head by an operator are reduced, part of time is saved, and the excavation efficiency of the tunneled excavator is improved.

Inventors

LIU YU
CHEN GENLIN
YANG ZHIMIAO
CAO YU
PENG JUN
HU FUKAI
DONG RONGBAO

Assignees

中煤科工集团上海有限公司

Dates

Publication Date: 20260508
Application Date: 20221230

Claims (7)

1. The multi-direction moving device of the cutterhead of the variable-section heading machine is characterized by comprising a machine shell (1), a moving frame (2) and a cutter frame (3) for supporting the cutterhead, wherein the moving frame (2) and the cutter frame (3) are arranged in the machine shell (1), a first driving piece (11) is arranged in the machine shell (1), the first driving piece (11) is connected with the moving frame (2), the first driving piece (11) drives the moving frame (2) to reciprocate along the width direction of the machine shell (1), the cutter frame (3) is connected in the moving frame (2) in a sliding manner along the vertical direction, a second driving piece (12) is arranged on the moving frame (2), and the second driving piece (12) is connected with the cutter frame (3); A first supporting groove (21) and a second supporting groove (22) which are oppositely arranged are formed in the movable frame (2), a first supporting plate (23) is arranged in the first supporting groove (21), a second supporting plate (24) is arranged in the second supporting groove (22), and one sides, far away from the movable frame (2), of the first supporting plate (23) and the second supporting plate (24) are respectively abutted against the tool rest (3); The first support plate (23) is rotatably connected in the first support groove (21), the second support plate (24) is rotatably connected in the second support groove (22), and the rotating shafts of the first support plate (23) and the second support plate (24) are arranged along the length direction of the casing (1); The first supporting plate (23) and the second supporting plate (24) are connected with the tool rest (3) through the control assembly (4), and when the tool rest (3) moves, the tool rest (3) drives the control assembly (4) to control the first supporting plate (23) and the second supporting plate (24) to synchronously rotate towards opposite directions; The control component (4) comprises a control piece (41), a first control rod (42) and a second control rod (43), wherein a supporting seat (13) is arranged on the inner wall of the casing (1), the control piece (41) is arranged on the supporting seat (13), a trigger plate (31) matched with the control piece (41) is arranged on the tool rest (3), one side of the control piece (41) is connected with the first control rod (42) and the other side of the control piece is connected with the second control rod (43), a first control hole (131) and a second control hole (132) which are opposite to each other are arranged on the supporting seat (13), the first control rod (131) and the second control hole (132) are downwards inclined, the first control rod (42) is in sliding connection with the inner wall of the first control hole (131), one end of the first control rod (42) far away from the supporting seat (13) is connected with the first supporting plate (23) through a first connecting piece (44), one end of the first control rod (42) far away from the supporting seat (13) is connected with the second supporting plate (24) through a first connecting piece (44), the second end of the first control rod (45) is far away from the second supporting plate (24) is arranged on the second supporting seat (24) through the second connecting piece (45), a group of power assisting components (5) are correspondingly arranged at the first supporting plate (23) and the second supporting plate (24); The control piece (41) comprises a control block (411) and a control spring (412), a control groove (133) is formed in one side, far away from the first supporting plate (23), of the supporting seat (13), the control block (411) is arranged in the control groove (133), the control block (411) is slidably connected with the inner wall of the control groove (133), the trigger plate (31) is abutted to the control block (411), the control spring (412) is arranged in the control groove (133), one end of the control spring (412) is connected with the control block (411) and the other end of the control spring is connected with the groove bottom of the control groove (133), a first supporting wheel (134) and a second supporting wheel (135) which are arranged oppositely are arranged on the supporting seat (13), the first supporting wheel (134) and the second supporting wheel (135) are both rotationally connected with the supporting seat (13), one side of the control block (411) is connected with a first control rod (42) through a first steel rope (46), the first steel rope (46) is wound around the first supporting wheel (134) and then connected with the second control rod (43) through the second steel rope (47), the second steel rope (47) is connected with the second control rod (43) after being wound around the second supporting wheel (135) for one circle.
2. The multi-direction moving device of the cutterhead of the variable cross-section heading machine according to claim 1, wherein the first driving piece (11) comprises two first oil cylinders (111) which are oppositely arranged, the output ends of the two first oil cylinders (111) which are oppositely arranged reciprocate along the horizontal direction, the output ends of the two first oil cylinders (111) which are oppositely arranged are connected with the moving frame (2) through connecting plates (112), and one sides of the two first oil cylinders (111) which are oppositely arranged, which are far away from the moving frame (2), are connected with the inner wall of the casing (1); The second driving piece (12) comprises two second oil cylinders (121) which are oppositely arranged, the output ends of the two second oil cylinders (121) which are oppositely arranged reciprocate along the vertical direction, one ends of the two second oil cylinders (121) which are oppositely arranged are connected with the movable frame (2), and the other ends of the two second oil cylinders are connected with the tool rest (3) through connecting seats (122).
3. The multi-direction moving device of the cutterhead of the variable cross-section heading machine as set forth in claim 1, wherein torsion springs (27) are wound on rotating shafts of the first supporting wheel (134) and the second supporting wheel (135).
4. A multidirectional movement device for a cutterhead of a variable section heading machine according to claim 1, wherein a first guide wheel (136) and a second guide wheel (137) which are oppositely arranged are arranged on the supporting seat (13), the first guide wheel (136) and the second guide wheel (137) are rotatably connected with the supporting seat (13), the first guide wheel (136) is arranged on one side, close to the first supporting plate (23), of the first supporting wheel (134), the first steel rope (46) bypasses the first guide wheel (136) and then is connected with a first control rod (42), the second guide wheel (137) is arranged on one side, close to the second supporting plate (24), of the second supporting wheel (135), and the second steel rope (47) bypasses the second guide wheel (137) and then is connected with a second control rod (43).
5. A multidirectional movement device for a cutterhead of a variable cross-section heading machine according to claim 1, wherein the power-assisted assembly (5) comprises a power-assisted oil cylinder (51) and a power-assisted plate (52), the power-assisted oil cylinder (51) is connected with a movable frame (2), the power-assisted plate (52) is hinged to the output end of the power-assisted oil cylinder, the first supporting plate (23) and the second supporting plate (24) are arranged between the two power-assisted plates (52) which are oppositely arranged, and the first supporting plate (23) and the second supporting plate (24) correspond to one power-assisted plate (52).
6. The multi-direction moving device of the cutterhead of the variable cross-section heading machine, as set forth in claim 1, wherein a guiding cambered surface (25) is arranged on one side of the first supporting plate (23) far away from the second supporting plate (24) and one side of the second supporting plate (24) far away from the first supporting plate (23).
7. A multidirectional moving device for a cutterhead of a variable section heading machine according to claim 1 is characterized in that a clamping assembly (6) for clamping a cutterhead (3) is arranged on a moving frame (2), the clamping assembly (6) comprises a first clamping plate (61) and a second clamping plate (62) which are oppositely arranged, the first clamping plate (61) and the second clamping plate (62) are connected to the moving frame (2) in a sliding mode along the length direction of a machine shell (1), a control gear (64) is arranged between the first clamping plate (61) and the second clamping plate (62), the first clamping plate (61) and the second clamping plate (62) are meshed with the control gear (64), a control oil cylinder (65) is arranged on the moving frame (2), and the control oil cylinder (65) is connected with the first clamping plate (61).

Description

Multi-direction moving device for cutterhead of variable-section heading machine Technical Field The application relates to the field of heading machines, in particular to a multidirectional moving device for a cutterhead of a variable-section heading machine. Background A heading machine is a machine for cutting a roadway on straight ground. The heading machine mainly comprises a travelling mechanism, a working mechanism, a loading and transporting mechanism and a transfer mechanism. In the related art, the working mechanism mainly comprises a machine shell, a cutter rest for supporting the cutter disc and a driving component for driving the cutter disc, wherein the cutter rest and the driving component are arranged in the machine shell, the cutter disc stretches out of the machine shell, and the driving component drives the cutter disc to start so as to perform excavation. When the section of the excavation needs to be changed, operators need to use cutterheads of different types or cutterheads with variable diameters to perform the excavation work, wherein the cutterheads with variable diameters mainly extend out of blades to change the overall diameter of the cutterhead. In view of the above related art, the inventor has found that the cutter head has a large volume, and a lot of time and labor are required for replacing the cutter head, and the cutter head with a variable diameter has a large load between the blade and the cutter head and a complex structure after the cutter head is changed, and a lot of time and labor are required for maintenance when the cutter head fails, thereby affecting the excavation efficiency, so the improvement is required. Disclosure of Invention In order to solve the problems, the application provides a multidirectional moving device for a cutterhead of a variable-section heading machine. The application provides a multidirectional moving device for a cutterhead of a variable-section heading machine, which adopts the following technical scheme: The utility model provides a multi-direction mobile device of variable cross-section entry driving machine blade disc, includes casing, movable frame and the knife rest that is used for bearing the blade disc, movable frame and knife rest all set up in the casing, be equipped with first driving piece in the casing, first driving piece is connected with movable frame, first driving piece drive movable frame is along the width direction reciprocating motion of casing, the knife rest is along vertical direction sliding connection in movable frame, be equipped with the second driving piece on the movable frame, the second driving piece is connected with the knife rest. Through adopting above-mentioned technical scheme, when needs change the cross section of excavation, operating personnel start first driving piece, first driving piece drives the removal of moving frame to adjust the position of blade holder, thereby realize the regulation of blade disc position, so that the blade disc cuts out the cross section of different areas, operating personnel rethread second driving piece control blade holder removes, the blade holder removes and drives the blade disc and remove, the usable range of blade disc has been enlarged, the step of operating personnel change blade disc or direct change blade disc diameter has been reduced, partial time has been practiced thrift, thereby operating personnel's excavation efficiency has been improved. Preferably, the movable frame is provided with a first supporting groove and a second supporting groove which are oppositely arranged, a first supporting plate is arranged in the first supporting groove, a second supporting plate is arranged in the second supporting groove, and one sides, far away from the movable frame, of the first supporting plate and the second supporting plate are all in butt joint with the tool rest. Through adopting above-mentioned technical scheme, when the second driving piece starts, operating personnel will first backup pad card go into first supporting groove, again with second backup pad card go into the second supporting groove for first backup pad and second backup pad provide the support for the knife rest, so that the blade disc is comparatively stable work. Preferably, the first driving part comprises two first oil cylinders which are oppositely arranged, the output ends of the two first oil cylinders which are oppositely arranged reciprocate along the horizontal direction, the output ends of the two first oil cylinders which are oppositely arranged are connected with the movable frame through connecting plates, and one sides of the two first oil cylinders which are oppositely arranged, which are far away from the movable frame, are connected with the inner wall of the casing; The second driving piece comprises two second oil cylinders which are oppositely arranged, the output ends of the two second oil cylinders which are oppositely arranged reciprocate along the vertical di