CN212028233U - Assembled hinged oil cylinder base and shield tunneling machine hinging device - Google Patents

Abstract

A pin-connected articulated cylinder block comprising: the device comprises a base, a plurality of limiting blocks and a plurality of fixing blocks; the top surface of the base is provided with a spherical hinge groove; the limiting block is provided with an arc-shaped opening which is coaxial with the spherical hinge groove, the arc-shaped openings can be spliced to form a complete circle, and the limiting block is arranged on the top surface of the base and used for limiting the axial movement of the piston rod of the oil cylinder; the fixed block is used for limiting the axial movement of the limiting block; the connection in the assembled mode not only ensures the connection strength of the application in the hinge device, but also improves the disassembly and replacement efficiency.

Description

Assembled hinged oil cylinder base and shield tunneling machine hinging device

Technical Field

The utility model relates to a shield constructs quick-witted technical field, specifically is an articulated hydro-cylinder seat of pin-connected panel.

Background

The shield machine is a special engineering machine for tunneling in tunnel construction, and the hinge device of the shield machine mainly comprises a sealing element, a structural element, a hinge oil cylinder 204 and the like, wherein two ends of the hinge oil cylinder 204 are respectively fixed on ear seats 2011 of the front part 201 and the rear part 202 of the middle shield through an oil cylinder pin 203, and the relative position of the front part and the rear part of the middle shield is changed by a piston rod 2' to realize the hinge function, as shown in fig. 1.

With the use of the shield tunneling machine, the hinge seal can be aged, deformed and other failure conditions, and needs to be replaced. The replacement of the hinged seal requires the removal of the cylinder pins at both ends of the hinged cylinder to separate the front and rear of the middle shield for replacement of the failed seal. The oil cylinder pin is difficult to detach due to corrosion, the process occupies too long total time for replacing the hinged seal, and has the defects of low efficiency, high labor intensity and the like.

In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel articulated hydro-cylinder seat replaces original round pin axle type hookup, has reduced operating personnel's intensity of labour when shield front portion and well shield rear portion in the separation, has improved the efficiency that the articulated seal was changed.

For realizing the purpose of the utility model, the technical scheme who adopts as follows:

a pin-connected articulated cylinder block comprising: the device comprises a base, a plurality of limiting blocks and a plurality of fixing blocks; the top surface of the base is provided with a spherical hinge groove; the limiting block is provided with an arc-shaped opening which is coaxial with the spherical hinge groove, the arc-shaped openings can be spliced to form a complete circle, and the limiting block is arranged on the top surface of the base and used for limiting the axial movement of the piston rod of the oil cylinder; the fixed block is used for limiting the axial movement of the limiting block; the connection in the assembled mode not only ensures the connection strength of the application in the hinge device, but also improves the disassembly and replacement efficiency.

Further limiting, the fixed block is C-shaped, and the fixed block fastens and attaches the limiting block and the base through flanges at the upper side and the lower side; the periphery of the limiting block extends to form a first table top with a step shape, and the upper flange of the fixing block is buckled on the first table top; the width of the bottom surface of the base is larger than that of the top surface, the cross section of the base is in a convex shape, and an inserting groove is formed in the convex transition end and matched with the lower flange of the fixing block; the articulated hydro-cylinder seat of pin-connected panel adopts two arcs of mouths can splice the stopper setting that forms a perfect circle at the Y axle direction of base top surface, the fixed block is two settings of symmetry in the X axle direction, fastens stopper and base laminating through the flange of upper and lower both sides.

Further limiting, at least one first mounting hole is formed in a first table top extending out of the periphery of the limiting block, at least one second mounting hole is formed in the top end of the fixing block, at least one third mounting hole is formed in the periphery of the top surface of the base, and the first mounting hole, the second mounting hole and the third mounting hole are coaxially arranged; the base, the limiting block and the fixing block are additionally provided with fasteners, and the fasteners sequentially penetrate through the second mounting hole and the first mounting hole and are fixed on the third mounting hole; the connection relation of each connecting mechanism in the assembled hinged oil cylinder seat is further improved and ensured.

Further limiting, a first end face of the inner side of the upper flange of the fixing block is an inclined face, a third end face of the upper end of the slot is an inclined face, the first end face and the third end face are both inclined faces which incline outwards and upwards, an included angle between the inclined face and the horizontal plane is alpha, and alpha is more than or equal to 0.5 degrees and less than or equal to 1 degree; the fixed block is convenient for connecting and disassembling the base and the limiting block.

Further limiting, a plurality of fourth mounting holes are formed in the side face of the fixing block; a fifth mounting hole corresponding to the fourth mounting hole is formed in the same side face of the base mounting fixing block; the fastener penetrates through the fourth mounting hole to be locked on the fifth mounting hole of the base, and the fixing block is prevented from falling off from the base and the limiting block.

Further limiting, the arc-shaped opening of the limiting block comprises an upper inclined surface and a lower inclined surface, the upper inclined surface and the lower inclined surface are in a hourglass-shaped structure through a first plane, and the hinged piston rod can swing by an angle smaller than or equal to 3 degrees; thereby meeting the limit action requirement of the hinge device.

Further limiting, the base is provided with an oil duct, the outer side of the oil duct is connected with an oil cup, and the oil duct is communicated with the spherical hinge groove; the connection lubrication of the head of the inner piston rod and the spherical curved surface in the base is ensured by conveying grease so as to reduce friction, and the gap between the hinged cylinder seat and the piston rod can be filled so as to prevent external silt from entering a contact surface.

Further limiting, the shield machine hinging device for the assembled hinged oil cylinder base comprises a middle shield rear part, a middle shield front part, an oil cylinder pin, a hinged oil cylinder, a piston rod and the assembled hinged oil cylinder base; the rear part of the middle shield is provided with an ear seat, and the piston rod is provided with a connecting rod with a ball head; the articulated hydro-cylinder passes through the hydro-cylinder round pin to be fixed on the ear seat, the articulated hydro-cylinder seat of pin-connected panel is fixed anterior at well shield, well shield rear portion is connected through the piston rod with well shield front portion, the piston rod takes the bulb end to connect in the spherical hinge groove of articulated hydro-cylinder, the piston rod does not take the bulb end to connect at articulated hydro-cylinder.

Drawings

FIG. 1 is an assembly diagram of an original shield tunneling machine hinge device;

FIG. 2 is an assembly view of the shield machine articulated device of the assembled articulated cylinder block of the present invention;

FIG. 3 is a combination view of the assembled hinged cylinder base of the present invention;

FIG. 4 is an exploded view of the assembled hinged cylinder base of the present invention;

FIG. 5 is a diagram of the limiting block of the present invention;

FIG. 6 is a cross-sectional view of the assembled hinged cylinder base of the present invention;

FIG. 7 is a sectional view and a partial enlarged view of the assembled hinged cylinder base of the present invention;

fig. 8 is a schematic view of the swing angle of the piston rod according to the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 3-5, a split-mount articulated cylinder block 100 includes:

a base 1, wherein the base 1 comprises an upper top surface and a lower bottom surface, the upper top surface and the lower bottom surface are both parallelogram, the upper top surface is smaller than the lower bottom surface, the length of the bottom surface is larger than that of the top surface when viewed from the Y-axis direction, the bottom surface is convex, an inward concave slot 12 is further arranged at the upper transition end and the lower transition end of the convex, as shown in fig. 7, a third end surface 121 at the upper end of the slot 12 is an outward and upward inclined plane, and the included angle between the inclined plane and the horizontal plane is about 1 degree, so that the base is convenient to disassemble and assemble; a spherical hinge groove 11 is formed in the center of the top surface of the base 1, eight symmetrical third mounting holes 13 are formed in the edges of the spherical hinge groove 11 and on two sides of the Y-axis in the coaxial direction, and seven fifth mounting holes 14 are formed in the side face of the base 1 on the same side as the third mounting holes 13 and above the slot 12; an oil duct 6 is arranged at the bottom of the side edge of the base 1 in the Y-axis direction, an oil cup 7 is connected to the outer side of the oil duct 6, and the oil duct 6 is communicated with a spherical hinge groove 11;

a limiting block 3, as shown in fig. 5, one end of the limiting block 3 is provided with a semi-circular arc-shaped opening 31 which is coaxial with the spherical hinge groove 11, as shown in fig. 7-8, the arc-shaped opening 31 of the limiting block 3 comprises an upper inclined surface 311 and a lower inclined surface 312, the upper inclined surface 311 and the lower inclined surface 312 excessively form an hourglass-shaped structure through a first plane 313, so that the hinged piston rod 2 can swing an angle less than or equal to 3 degrees, the requirement of the limit action of the hinge device is met, and the rigid collision and connection at the connection position between the hinged cylinder seat and the piston rod are reduced under the condition of error allowance; two adjacent sides of the limiting block 3 and the arc-shaped opening 31 are provided with first table tops 33 extending outwards in a stepped shape, the first table tops 33 on the two sides of the limiting block 3 are respectively provided with two symmetrical first mounting holes 32, and the first mounting holes 32 and the third mounting holes 13 are the same in size; the size of the limiting block 3 is half of the top surface of the base 1 in the Y-axis direction;

the fixing block 4 comprises an upper flange 45 and a lower flange 46, and is C-shaped; as shown in fig. 7, the first end surface 44 inside the upper flange 45 is a slope inclined outward and upward; the first planes 33 of the two limiting blocks are opposite to the first end face 44 after being spliced, when the upper flange 45 of the fixed block 4 is buckled on the first table face 33, the first plane 313 and the first end face 44 are about 1 degree, so that the mounting and dismounting are convenient, and the upper flange 45 is provided with a second mounting hole 42 opposite to the first mounting hole 32 and the third mounting hole 13; the lower flange 46 has the same size as the slot 12, but the second end surface 43 on the inner side is a plane, and when the lower flange 46 of the fixed block 4 is matched with the slot 12, the included angle between the third end surface 121 and the second end surface 43 is about 1 degree; a fourth mounting hole 41 corresponding to the fifth mounting hole 14 is formed in the side face of the fixed block 4, and the fixed block 4 is locked to the base 1 through the fourth mounting hole 41 by a fastener 5, so that the fixed block 4 is prevented from falling off from the base 1 and the limiting block 3; the fastening member 5 is preferably a bolt; the fixed block 4 fastens and attaches the limiting block 3 and the base 1 through the upper flange 45 and the lower flange 46; the fixed block 4 is used for detachably and fixedly connecting the limiting block 3 with the base 1;

the assembled hinged oil cylinder base 100 is formed by splicing the arc-shaped openings 31 of the two limiting blocks 3 to form a complete circle, is arranged in the Y-axis direction of the top surface of the base 1 and is used for controlling the size of the opening of the spherical hinged groove 11, and the first mounting hole 32 is coaxially opposite to the third mounting hole 13; the two fixing blocks 4 are symmetrically arranged in the X-axis direction of the base 1, are matched with the limiting blocks 3 spliced by the two first table boards 33 through the first end faces 44 on the inner sides of the upper flanges 45, the lower flanges 46 are butted with the slots 12, are fixed on the third mounting holes 13 through the fasteners 5 sequentially penetrating through the second mounting holes 42 and the first mounting holes 32, and the fasteners 5 are fixed on the fifth mounting holes 14 through the fourth mounting holes 41; forming a tetrahedron with a spherically hinged slot 11 at the top end.

Use the utility model discloses:

the connecting rod 21 with the ball head 22, which is matched with the spherical hinge groove 11, is placed in the spherical hinge groove 11 of the base 1, the arc-shaped openings 31 of the two limiting blocks 3 are spliced to form a complete circle, the complete circle is arranged in the Y-axis direction of the top surface of the base 1, and the upper inclined surface 311, the lower inclined surface 312 and the first plane 313 are matched with the end with the ball head 22 of the piston rod 2; the two fixing blocks 4 are symmetrically arranged in the X-axis direction of the base 1, are matched with the limiting blocks 3 spliced by the two first table boards 33 through the first end faces 44 on the inner sides of the upper flanges 45, are butted with the slots 12, are fixed on the third mounting holes 13 through the fasteners 5 sequentially penetrating through the second mounting holes 42 and the first mounting holes 32, and are fixed on the fifth mounting holes 14 through the fourth mounting holes 41; a tetrahedron with a spherical hinge groove 11 at the top end is formed, grease is conveyed to the oil duct 6 through the oil cup 7, connection lubrication of the head of the inner piston rod 2 and a spherical curved surface in the base 1 is guaranteed, friction is reduced, a gap between the hinged oil cylinder seat and the piston rod can be filled, and external silt is prevented from entering a contact surface.

Use the utility model discloses shield the machine:

a shield machine hinging device 200 for hinging an oil cylinder seat in an assembling way comprises a middle shield rear part 201, a middle shield front part 202, an oil cylinder pin 203, a hinging oil cylinder 204, a piston rod 2 and the assembling type hinging oil cylinder seat 100; the rear part 201 of the middle shield is provided with an ear seat 2011, and the piston rod 2 is provided with a connecting rod 21 with a ball head 22; articulated hydro-cylinder 204 passes through hydro-cylinder round pin 203 to be fixed on ear seat 2011, articulated hydro-cylinder seat 100 of pin-connected panel is fixed at well shield front portion 202, well shield rear portion 201 is connected through piston rod 2 with well shield front portion 202, 2 spherical articulated inslot 11 at articulated hydro-cylinder 204 are connected to piston rod area bulb 22 end, and the other end is connected at articulated hydro-cylinder 204.

In the description of the present invention, it is to be understood that the terms "top surface", "bottom surface", "side surface", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like are used in the orientation or positional relationship shown in the drawings, and are used merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present specification, reference to the description of the term "specific example" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (8)

1. The utility model provides a pin-connected panel articulates hydro-cylinder seat which characterized in that, it includes:

the top surface of the base is provided with a spherical hinge groove;

the limiting blocks are provided with arc-shaped openings which are coaxial with the spherical hinge grooves, the arc-shaped openings can be spliced to form a complete circle, and the limiting blocks are arranged on the top surface of the base and used for limiting the axial movement of the piston rod of the oil cylinder;

and the fixed blocks are used for limiting the axial movement of the limiting blocks.

2. The assembled hinged cylinder base of claim 1, wherein the fixing block is C-shaped, and the fixing block is fastened and attached to the base through flanges at the upper side and the lower side; the periphery of the limiting block extends to form a first table top with a step shape, and the upper flange of the fixing block is buckled on the first table top; the width of the bottom surface of the base is larger than that of the top surface, the cross section of the base is in a convex shape, and an inserting groove is formed in the convex transition end and matched with the lower flange of the fixing block; the articulated hydro-cylinder seat of pin-connected panel adopts two arcs of mouths can splice the stopper setting that forms a perfect circle at the Y axle direction of base top surface, the fixed block is two settings of symmetry in the X axle direction, fastens stopper and base laminating through the flange of upper and lower both sides.

3. The assembled hinged cylinder base as claimed in claim 2, wherein the first table extending from the periphery of the limiting block is provided with at least one first mounting hole, the top end of the fixing block is provided with at least one second mounting hole, the periphery of the top surface of the base is provided with at least one third mounting hole, and the first mounting hole, the second mounting hole and the third mounting hole are coaxially arranged; the base, the limiting block and the fixing block are additionally provided with fasteners, and the fasteners sequentially penetrate through the second mounting hole and the first mounting hole to be fixed on the third mounting hole.

4. The assembled hinged cylinder block as claimed in claim 3, wherein the first end surface of the inner side of the upper flange of the fixing block is an inclined surface, the third end surface of the upper end of the slot is an inclined surface, the first end surface and the third end surface are both inclined surfaces which are inclined outwards and upwards, and the included angle between the inclined surface and the horizontal is α, which is greater than or equal to 0.5 ° and less than or equal to 1 °.

5. The assembled hinged cylinder block of claim 4, wherein a plurality of fourth mounting holes are formed in a side surface of the fixing block; a fifth mounting hole corresponding to the fourth mounting hole is formed in the same side face of the base mounting fixing block; the fastener penetrates through the fourth mounting hole to be locked on the fifth mounting hole of the base, and the fixing block is prevented from falling off from the base and the limiting block.

6. The assembled hinged cylinder base of claim 1, wherein the arcuate opening of the limiting block comprises an upper inclined surface and a lower inclined surface, and the upper inclined surface and the lower inclined surface are in an hourglass-shaped configuration through a first plane, so that the hinged piston rod can swing through an angle of less than or equal to 3 °.

7. The assembled hinged cylinder block of claim 1, wherein the base is provided with an oil passage, and an oil cup is connected to the outside of the oil passage, and the oil passage is communicated with the spherical hinge groove.

8. A shield machine hinge device using a spliced hinged oil cylinder seat is characterized by comprising a middle shield rear part, a middle shield front part, an oil cylinder pin, a hinged oil cylinder, a piston rod and the spliced hinged oil cylinder seat of any one of claims 1 to 7; the rear part of the middle shield is provided with an ear seat, and the piston rod is provided with a connecting rod with a ball head; the articulated hydro-cylinder passes through the hydro-cylinder round pin to be fixed on the ear seat, the articulated hydro-cylinder seat of pin-connected panel is fixed anterior at well shield, well shield rear portion is connected through the piston rod with well shield front portion, the piston rod takes the bulb end to connect in the spherical hinge groove of articulated hydro-cylinder, the piston rod does not take the bulb end to connect at articulated hydro-cylinder.

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