CN209959256U - Shield constructs quick-witted hobbing cutter case device - Google Patents
Shield constructs quick-witted hobbing cutter case device Download PDFInfo
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- CN209959256U CN209959256U CN201920857001.6U CN201920857001U CN209959256U CN 209959256 U CN209959256 U CN 209959256U CN 201920857001 U CN201920857001 U CN 201920857001U CN 209959256 U CN209959256 U CN 209959256U
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Abstract
The utility model discloses a shield constructs quick-witted hobbing cutter case device, including hobbing cutter mechanism and the case that is used for installing hobbing cutter mechanism, hobbing cutter mechanism includes the hobbing cutter support that is used for installing the hobbing cutter and is used for making hobbing cutter support and case locking or unblock locking mechanism; the hobbing cutter mechanism is provided with a grabbing part convenient for the manipulator to grab; the hob support is connected with the locking mechanism, and the hob box is detachably connected with the hob mechanism. The utility model provides a shield constructs quick-witted hobbing cutter case device, at the in-process of installation, hobbing cutter mechanism includes hobbing cutter, hobbing cutter support and locking mechanism, need not other independent parts during the installation, and the automation mechanized operation of the manipulator of being more convenient for can realize the automatic change of hobbing cutter, avoids artifical tool changing process inefficiency and has the problem of potential safety hazard.
Description
Technical Field
The utility model relates to a shield constructs quick-witted technical field, more specifically says, relates to a shield constructs quick-witted hobbing cutter case device.
Background
During the construction process of the shield machine in the tunneling tunnel, the cutter which is seriously worn needs to be replaced to ensure normal construction. At present, the cutter replacing process on most shield machines is completely carried out manually, the manual cutter replacement has the defects of long replacing period, high replacing cost, low working efficiency and the like, the construction site environment is poor, the risk coefficient is high, safety accidents are easy to occur, and the personal safety of operators cannot be guaranteed.
Most of the existing shield machine hob installation modes adopt wedge blocks, pressing blocks and bolt fastening structures, the number of parts required for installation is large, the installation space is small, and the existing shield machine hob installation modes are not beneficial to directly utilizing a robot manipulator to carry out hob changing operation.
In summary, how to provide a shield machine hob box device which facilitates automatic tool changing is an urgent problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a shield constructs quick-witted hobbing cutter case device can conveniently realize the automatic tool changing of shield constructs quick-witted hobbing cutter.
In order to achieve the above object, the present invention provides the following technical solutions:
a shield constructs quick-witted hobbing cutter case device, includes hobbing cutter mechanism and is used for installing the cutter case of the said hobbing cutter mechanism, the said hobbing cutter mechanism includes the hobbing cutter support used for installing the hobbing cutter and is used for making the said hobbing cutter support lock or locking mechanism that unlocks with the said cutter case;
the hobbing cutter mechanism is provided with a grabbing part convenient for the manipulator to grab;
the hob cutter support is connected with the locking mechanism, and the hob box is detachably connected with the hob cutter mechanism.
Preferably, the hob mechanism further comprises a pressing assembly for locking and fitting or unlocking the hob mechanism and the knife box, and the pressing assembly comprises a pressing wedge block which is movably arranged along the length direction of the knife box so as to enable the hob bracket to be locked and fitted with the knife box;
the compressing wedge block is provided with a wedge surface, the hob bracket is provided with a compressing and positioning surface matched with the wedge surface, and the hob box is provided with a groove matched with the compressing wedge block.
Preferably, the hob support is of a U-shaped structure, and the pressing wedge includes a first pressing wedge fitted to one side surface of the U-shaped structure and a second pressing wedge fitted to the other side surface of the U-shaped structure.
Preferably, the compression assembly comprises a first connecting rod connected with the first compression wedge, a second connecting rod connected with the second compression wedge, a pull rod connected with the first connecting rod and the second connecting rod, and a movable nut rotatably arranged on the pull rod, wherein the movable nut is connected with a compression screw fixedly arranged on the knife box;
the movable nut rotates relative to the compression screw to move the first and second compression wedges along the length of the tool box.
Preferably, one side of hobbing cutter support width direction is provided with the spacing face that compresses tightly of step form, the tool box be provided with compress tightly spacing face complex location ladder face.
Preferably, the knife box is provided with a locking clamping groove, the locking mechanism is provided with a locking wedge block which is matched with the locking clamping groove in a clamped connection or released connection, and the locking wedge block is rotatably connected with the hob support.
Preferably, the locking wedge block is provided with a locking surface which is matched with the locking matching surface of the locking clamping groove;
the locking surface is attached to or separated from the locking matching surface, so that the locking wedge block and the locking clamping groove are locked or unlocked;
and/or the hob bracket is provided with a locking fixing groove, and the locking wedge block is provided with a supporting surface matched with the locking fixing groove.
Preferably, the hob support is provided with an oblong hole, the locking wedge is rotatably arranged relative to the oblong hole, and the locking wedge is slidably arranged along the length direction of the oblong hole.
Preferably, the locking mechanism further comprises a connecting rod rotatably connected with the locking wedge, and the other end of the connecting rod is rotatably connected with a central sliding block capable of moving along the mounting direction of the hob support;
and the central sliding block moves forwards or backwards along the installation direction of the hob support so that the locking wedge block is matched and clamped with or released from the locking clamping groove.
Preferably, the locking wedges comprise a first locking wedge and a second locking wedge which are symmetrically arranged along the height direction of the hob bracket;
the knife box is provided with a first locking clamping groove locked or unlocked with the first locking wedge block and a second locking clamping groove locked or unlocked with the second locking wedge block;
the connecting rod comprises a first connecting rod and a second connecting rod, wherein one end of the first connecting rod is rotatably connected with the first locking wedge block, the other end of the first connecting rod is rotatably connected with the central sliding block, one end of the second connecting rod is rotatably connected with the second locking wedge block, and the other end of the second connecting rod is rotatably connected with the central sliding block.
Preferably, the central slider is in threaded connection with a central screw, the central screw is axially and fixedly connected to the hob support, and the central screw rotates relative to the central slider so that the central slider moves along the installation direction of the hob support.
Preferably, the locking mechanism is provided with a guide rod fixedly connected with the hob support, and the central slider is slidably arranged along the guide rod.
The utility model provides a pair of shield constructs quick-witted hobbing cutter case device, include: the hob cutter mechanism comprises a hob cutter support for mounting a hob cutter and a locking mechanism for locking or unlocking the hob cutter support and the hob cutter box; the hobbing cutter mechanism is provided with a grabbing part convenient for the manipulator to grab; the hob support is connected with the locking mechanism, and the hob box is detachably connected with the hob mechanism.
When the hob is installed in the using process, firstly, the hob can be installed on a hob support, the hob support is connected with a locking mechanism, the hob mechanism is assembled, then a grabbing part is grabbed through a manipulator, the hob mechanism with the hob and the locking mechanism is placed in a hob box under the driving of the manipulator, the hob support and the hob box are locked through the locking mechanism, and then the installation of the hob is completed; when the hob needs to be disassembled, the locking mechanism is adjusted to unlock the hob support and the hob box, the grabbing portion is grabbed by the manipulator, the hob mechanism is separated from the hob box under the driving of the manipulator, the hob mechanism is taken out, and then the hob is disassembled.
Therefore the utility model provides a shield constructs quick-witted hobbing cutter case device, at the in-process of installation, hobbing cutter mechanism includes hobbing cutter, hobbing cutter support and locking mechanism, need not other independent parts during the installation, and the automation mechanized operation of the manipulator of being convenient for can realize the automatic change of hobbing cutter, avoids artifical tool changing process inefficiency and has the problem of potential safety hazard.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a shield machine hob box device according to a first specific embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second specific embodiment of the shield machine hob box device provided by the present invention;
FIG. 3 is a schematic structural view of the hob mechanism of FIG. 2;
FIG. 4 is a schematic view of the knife box of FIG. 2;
FIG. 5 is a front view of the knife box of FIG. 2;
FIG. 6 is a partial cross-sectional view of the hold-down assembly;
FIG. 7 is a schematic view of a hold-down assembly;
FIG. 8 is a schematic cross-sectional view of the mounting position of the hold-down assembly in the knife box;
FIG. 9 is a schematic structural view of a dovetail groove;
FIG. 10 is a schematic view of the hob holder of FIG. 2;
FIG. 11 is a schematic view of the engagement between the pressing and limiting surface and the positioning step surface;
FIG. 12 is a schematic view of the structure of the knife box of FIG. 1;
FIG. 13 is a cross-sectional view of the knife box of FIG. 1;
FIG. 14 is a schematic view of the hob mechanism of FIG. 1;
FIG. 15 is a schematic view of the hob holder of FIG. 1;
FIG. 16 is a schematic view of the locking wedge construction;
FIG. 17 is a bottom view of the locking wedge;
FIG. 18 is a cross-sectional view of the hob holder and the hob box in an unlocked state;
FIG. 19 is a cross-sectional view of the hob holder and the hob box in a locked state.
In FIGS. 1-19:
1 is a hob, 2 is a hob box, 21 is an axial positioning inclined plane, 22 is a radial positioning inclined plane, 23 is a locking clamping groove, 23a is a locking matching surface, 24 is a positioning stepped surface, 24a is a length-direction stepped surface, 24b is a width-direction stepped surface, 25 is a compression screw, 26 is a groove, 3 is a hob support, 31 is an axial inclined plane, 32 is a radial inclined plane, 33 is a hob shaft positioning groove, 34 is a long circular hole, 35 is a locking fixing groove, 36 is a wedge block limiting surface, 37a is a grabbing clamping groove, 37b is a grabbing support, 38 is a compression positioning surface, 39 is a compression limiting surface, 39a is a length-direction limiting surface, 39b is a width-direction limiting surface, 4 is a locking wedge block, 41 is a locking surface, 42 is a supporting surface, 43 is a connecting rod connecting groove, 5 is a connecting rod, 6 is a central sliding block, 7 is a central screw, 8 is a guide rod, 9 is a compression assembly, 91 is a, 92 is a connecting rod, 93 is a pull rod, 94 is a compression wedge block, 94a is a wedge-shaped surface, and 94b is a dovetail-shaped structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a shield constructs quick-witted hobbing cutter case device, simplified the mounting means of hobbing cutter, be convenient for realize the automatic change of hobbing cutter.
Referring to fig. 1 to 19, fig. 1 is a schematic structural diagram of a shield machine hob box device according to a first embodiment of the present invention; fig. 2 is a schematic structural diagram of a second specific embodiment of the shield machine hob box device provided by the present invention; FIG. 3 is a schematic structural view of the hob mechanism of FIG. 2; FIG. 4 is a schematic view of the knife box of FIG. 2; FIG. 5 is a front view of the knife box of FIG. 2; FIG. 6 is a partial cross-sectional view of the hold-down assembly; FIG. 7 is a schematic view of a hold-down assembly; FIG. 8 is a schematic cross-sectional view of the mounting position of the hold-down assembly in the knife box; FIG. 9 is a schematic structural view of a dovetail groove; FIG. 10 is a schematic view of the hob holder of FIG. 2; FIG. 11 is a schematic view of the engagement between the pressing and limiting surface and the positioning step surface; FIG. 12 is a schematic view of the structure of the knife box of FIG. 1; FIG. 13 is a cross-sectional view of the knife box of FIG. 1; FIG. 14 is a schematic view of the hob mechanism of FIG. 1; FIG. 15 is a schematic view of the hob holder of FIG. 1; FIG. 16 is a schematic view of the locking wedge construction; FIG. 17 is a bottom view of the locking wedge; FIG. 18 is a cross-sectional view of the hob holder and the hob box in an unlocked state; FIG. 19 is a cross-sectional view of the hob holder and the hob box in a locked state.
The shield machine hobbing cutter box device provided by the specific embodiment comprises a hobbing cutter mechanism and a cutter box 2 for mounting the hobbing cutter mechanism, wherein the hobbing cutter mechanism comprises a hobbing cutter support 3 for mounting a hobbing cutter 1 and a locking mechanism for locking or unlocking the hobbing cutter support 3 and the cutter box 2; the hobbing cutter mechanism is provided with a grabbing part convenient for the manipulator to grab; the hob support 3 is connected with the locking mechanism, and the hob box 2 is detachably connected with the hob mechanism.
In the using process, when the hob 1 is installed, the hob 1 can be installed on the hob support 3, the hob support 3 is connected with the locking mechanism, the hob mechanism is assembled, then the manipulator is used for grabbing the grabbing part, the movement of the manipulator drives the hob mechanism to move, the hob mechanism is placed in the hob box 2, the locking of the hob support 3 and the hob box 2 is realized through the locking mechanism, and then the installation of the hob 1 is completed; when the hob 1 needs to be disassembled, the locking mechanism is adjusted firstly to unlock the hob support 3 and the hob box 2, then the manipulator is used for grabbing the grabbing part, the hob mechanism is driven to move through the movement of the manipulator, the hob mechanism is separated from the hob box 2, the hob mechanism is taken out, then the hob 1 is disassembled, and then the disassembly of the hob 1 is completed.
Therefore the utility model provides a shield constructs quick-witted hobbing cutter case device, simple structure, spare part is less, and at the in-process of installation, hobbing cutter mechanism includes hobbing cutter 1, hobbing cutter support 3 and locking mechanism, need not other independent parts during the installation, and the robot operation of being more convenient for can realize through the manipulator, avoids artifical tool changing process inefficiency and has the problem of potential safety hazard.
It should be noted that the grabbing portion may be a grabbing clamping slot 37a matched with a manipulator for grabbing the hob mechanism, or may be a handle convenient for the manipulator to grab, or may be another structure convenient for grabbing or convenient for quick connection, which is determined specifically according to actual situations and is not described herein again.
Preferably, the hob support 3 is a U-shaped structure, the grabbing clamp slots 37a are disposed on the bottom surface of the U-shaped structure, as shown in fig. 15, four grabbing clamp slots 37a are symmetrically distributed on the bottom surface of the U-shaped structure; of course, the hob support 3 can also have other shapes according to requirements, which are determined according to the actual situation.
Of course, the hob mechanism and the manipulator can be connected through the magnetic sucker, the magnetic sucker is arranged on the manipulator, the hob mechanism is arranged on the steel hob mechanism, and the manipulator and the hob mechanism can be quickly connected and separated through the power on and off of the magnetic sucker.
Or, the grabbing part can be arranged to protrude from the grabbing bracket 37b arranged at the bottom of the hob bracket 3, and the grabbing bracket 37b is provided with a hollow structure facilitating grabbing by the mechanical arm.
As shown in fig. 10, the hob support 3 is U-shaped, the bottom of the hob support 3 is the bottom of the U-shaped structure, and the gripping support 37b is handle-shaped, which facilitates the gripping of the robot arm.
Of course, the grasping portion may also be in other structural forms, which are determined according to actual situations and are not described herein.
The knife box 2 can be a square structure with a hob mechanism mounting hole arranged in the middle, and can also be in other shapes meeting requirements, and is determined according to actual conditions.
It should be further explained that, the process that the hob 1 is installed on the hob support 3 can be manually completed, and also can be installed through related equipment, and in the process that the hob 1 is replaced, the hob 1 to be replaced can be assembled with the hob support 3 and the locking mechanism in advance, so that the manipulator can directly grab the hob mechanism, and the replacement time of the hob 1 is saved.
In order to realize quick positioning in the process of mounting the hob mechanism on the hob box 2, a first axial inclined plane and a second axial inclined plane can be respectively arranged on the upper surface and the lower surface of the hob support 3, and the hob box 2 is provided with a first axial positioning inclined plane matched with the first axial inclined plane and a second axial positioning inclined plane matched with the second axial inclined plane; the left side surface and the right side surface of the hob support 3 are respectively provided with a first radial inclined surface and a second radial inclined surface, and the hob box 2 is provided with a first radial positioning inclined surface matched with the first radial inclined surface and a second radial positioning inclined surface matched with the second radial inclined surface.
In the using process, when the hob mechanism is installed in the hob box 2, the hob mechanism can be positioned and installed through the matching of the first axial inclined plane and the first axial positioning inclined plane, the matching of the second axial inclined plane and the second axial positioning inclined plane, the matching of the first radial inclined plane and the first radial positioning inclined plane, and the matching of the second radial inclined plane and the second radial positioning inclined plane.
Preferably, as shown in fig. 15, the first axial inclined surface and the second axial inclined surface are symmetrically arranged in the height direction of the hob support 3, and when the hob support 3 is in a U-shaped structure, the axial inclined surface 31 is closed towards the middle at the opening of the U-shaped structure; the first radial inclined plane and the second radial inclined plane are symmetrically arranged in the length direction of the hob support 3, and when the hob support 3 is of a U-shaped structure, the radial inclined planes 32 are folded towards the middle at the opening of the U-shaped structure.
On the basis of the above embodiment, in order to make the hob support 3 and the knife box 2 tightly fit, a pressing component 9 for locking and fitting or releasing the hob mechanism and the knife box 2 may be provided, and the pressing component 9 includes a pressing wedge 94 for being movably disposed along the length direction of the knife box 2 to make the hob support 3 and the knife box 2 tightly fit;
the press wedge 94 is provided with a wedge surface 94a, the hob holder 3 is provided with a press positioning surface 38 for cooperation with the wedge surface 94a, and the tool box 2 is provided with a recess 26 for cooperation with the press wedge 94.
In the using process, the position of the pressing wedge block 94 along the length direction of the cutter box 2 can be adjusted to adjust the position of the hob support 3 along the width direction of the cutter box 2, so that the hob support 3 is tightly attached to the cutter box 2 or the locking is released.
As shown in fig. 7, the portion of compression wedge 94 that mates with recess 26 may be provided as a dovetail configuration 94b, with recess 26 being provided as a dovetail recess that mates with dovetail configuration 94b to prevent disengagement of compression wedge 94 from recess 26.
In order to stabilize the forces exerted by compression wedge 94 on hob holder 3, hob holder 3 may be of U-shaped construction, compression wedge 94 comprising a first compression wedge cooperating with one side of the U-shaped construction and a second compression wedge cooperating with the other side of the U-shaped construction.
As shown in fig. 3, the hob support 3 is a U-shaped structure with a right opening, an upper pressing and positioning surface is arranged on the upper side surface of the U-shaped structure, and a lower pressing and positioning surface is arranged on the lower side surface of the U-shaped structure, preferably, the upper pressing and positioning surface is matched with the first pressing wedge block, and the lower pressing and positioning surface is matched with the second pressing wedge block; the first pressing wedge block and the second pressing wedge block move synchronously, so that the pressing process of the hob mechanism is more stable.
On the basis of the above embodiment, the pressing assembly 9 may include a first connecting rod for connecting with the first pressing wedge, a second connecting rod for connecting with the second pressing wedge, a pull rod 93 for connecting the first connecting rod with the second connecting rod, and a movable nut 91 rotatably disposed on the pull rod 93, wherein the movable nut 91 is connected with the pressing screw 25 fixedly disposed on the knife box 2; the movable nut 91 rotates relative to the compression screw 25 to move the first and second compression wedges along the length of the tool box 2.
In the using process, the movable nut 91 can be rotated reversely, so that the connecting rod 92 drives the pressing wedge block 94 to move along the dismounting direction of the hob support 3, and the pressing wedge block 94 is matched with the hob support 3 through the wedge surface 94a, so that the hob support 3 moves along the width direction of the hob box 2 towards the direction of pressing the hob box 2 until the movable nut 91 reaches the set torque, the hob mechanism is locked and attached to the hob box 2, and the set torque needs to be determined specifically according to actual conditions, which is not described herein; when the tight fit between the hob mechanism and the hob box 2 needs to be released, the movable nut 91 can be rotated in the forward direction, so that the connecting rod 92 drives the pressing wedge block 94 to move along the installation direction of the hob support 3, and the pressing wedge block 94 is matched with the hob support 3 through the wedge surface 94a, so that the hob support 3 moves along the width direction of the hob box 2 in the direction of being separated from the hob box 2 until the hob mechanism and the hob box 2 are released from being locked.
It should be noted that the above-mentioned connecting rods 92 include a first connecting rod and a second connecting rod.
Preferably, the first compression wedge block and the second compression wedge block are symmetrically arranged along the height direction of the knife box 2, the movable nut 91 is arranged in the middle of the knife box 2 in the height direction, and the connecting rod 92 and the pull rod 93 are detachably connected through a bolt.
On the basis of the above embodiment, one side of the hob support 3 in the width direction is provided with a step-shaped pressing limiting surface 39, and the hob box 2 is provided with a positioning step surface 24 matched with the pressing limiting surface 39.
The width direction of the hob holder 3 coincides with the width direction of the hob box 2.
As shown in fig. 11, the pressing stopper surface 39 includes a width-direction stopper surface 39b and a length-direction stopper surface 39a, and the positioning step surface 24 includes a width-direction step surface 24b engaged with the width-direction stopper surface 39b and a length-direction step surface 24a engaged with the length-direction stopper surface 39 a.
Preferably, a smooth transition fillet is provided between the width direction stopper surface 39b and the length direction stopper surface 39 a.
It should be noted that, the arrangement of the pressing limiting surface 39 and the positioning stepped surface 24 may be implemented by first preliminarily attaching the pressing limiting surface 39 and the positioning stepped surface 24 in the installation process, so that the hob mechanism is positioned along the length direction of the hob box 2.
In the process that the pressing wedge block 94 moves along the length direction of the cutter box 2, the hob support 3 can move along the width direction of the cutter box 2, so that the width direction limiting surface 39b is in locking fit with the width direction step surface 24b, and the length direction limiting surface 39a is in locking fit with the length direction step surface 24 a; alternatively, the widthwise stopper surface 39b is unlocked from the widthwise stepped surface 24b, and the lengthwise stopper surface 39a is unlocked from the lengthwise stepped surface 24 a.
On the basis of the above embodiment, a locking clamping groove 23 can be arranged on the cutter box 2, a locking wedge 4 which is clamped or released with the locking clamping groove 23 in a matched manner is arranged on the locking mechanism, and the locking wedge 4 is rotatably connected with the hob bracket 3.
In the using process, the hob bracket 3 and the hob box 2 can be locked or unlocked through the matching of the locking wedge 4 and the locking clamping groove 23.
Preferably, as shown in fig. 18 and 19, the locking wedge 4 is rotatably connected to the hob support 3, and when the locking wedge 4 rotates to an open position in a process of rotating relative to the hob support 3, the locking wedge 4 can be engaged with the locking notch 23 in a matching manner, and when the locking wedge 4 rotates to a lower portion, the locking wedge 4 can be released from the locking notch 23.
On the basis of the above embodiment, the structure of the locking wedge 4 may be further defined, and the locking wedge 4 is provided with a locking surface 41 for matching and locking with the locking mating surface 23a of the locking slot 23; the locking surface 41 is attached to or separated from the locking matching surface 23a, so that the locking wedge 4 is matched with and clamped or released from the locking clamping groove 23; and/or the hob support 3 is provided with a locking fixation groove 35 and the locking wedge 4 is provided with a support surface 42 cooperating with the locking fixation groove 35.
Preferably, as shown in fig. 15, a wedge stopper surface 36 for limiting the rotation angle of the locking wedge 4 may be provided on the hob holder 3, and when the locking wedge 4 is attached to the wedge stopper surface 36, the locking wedge 4 is disengaged from the locking notch 23.
As shown in fig. 16, the support surface 42 of the locking wedge 4 is a circular arc surface, the locking surface 41 is a flat surface, as shown in fig. 18, the locking engagement surface 23a is a flat surface engaged with the locking surface 41, and the locking fixing groove 35 is a variable diameter circular arc surface engaged with the support surface 42.
Preferably, an elongated hole 34 may be formed in the hob support 3, the locking wedge 4 is rotatably disposed with respect to the elongated hole 34, and the locking wedge 4 is slidably disposed along the length direction of the elongated hole 34.
In the use process, after the hob bracket 3 is locked relative to the hob box 2, the load born by the hob 1 in the cutting process can be transmitted to the locking wedge 4 through the locking bracket, then the load is transmitted to the cutter head through the hob box 2, the transmission of the load through a rotating shaft between the locking wedge 4 and the hob bracket 3 is avoided, the contact area is increased, and the stress concentration is avoided.
On the basis of the above embodiment, the locking mechanism may include a connecting rod 5 rotatably connected to the locking wedge 4, and the other end of the connecting rod 5 is rotatably connected to a central slider 6 that is movable in the mounting direction of the hob holder 3; the central slider 6 is moved forward or backward in the mounting direction of the hob support 3 to lock or unlock the locking wedge 4 with the locking notch 23.
In the using process, in order to conveniently control the locking or unlocking state between the locking wedge 4 and the locking clamping groove 23, the connecting rod 5 can be driven to rotate by the movement of the central slider 6, and because one end of the connecting rod 5 is connected with the locking wedge 4, the connecting rod 5 drives the locking wedge 4 to rotate, and in the process of rotating and opening the locking wedge 4, when the locking surface 41 is completely attached to the locking matching surface 23a, the locking wedge 4 is clamped with the locking clamping groove 23, so that the hob mechanism is locked with the hob box 2; when the central slider 6 moves backward along the installation direction of the hob support 3, the connecting rod 5 drives the locking wedge 4 to rotate and fold, so that the locking surface 41 is separated from the locking fitting surface 23a, the locking wedge 4 is released from the locking clamping groove 23, the hob mechanism is unlocked from the hob box 2, and the hob mechanism can be taken out of the hob box 2.
It should be noted that, as shown in fig. 14 and 15, the installation direction of the hob support 3 is the direction in which the hob mechanism is installed into the hob box 2, and in the process of installing the hob mechanism, the hob mechanism needs to be moved to the opening of the hob box 2, so that the axial inclined plane 31 of the hob mechanism is parallel to the axial positioning inclined plane 21 of the hob box 2, the radial inclined plane 32 of the hob mechanism is parallel to the radial positioning inclined plane 22 of the hob box 2, and then the hob mechanism is pushed forward to translate until the axial inclined plane 31 is attached to the axial positioning inclined plane 21, and the radial inclined plane 32 is attached to the radial positioning inclined plane 22; the axial positioning ramps 21 include a first axial positioning ramp and a second axial positioning ramp and the radial positioning ramps 22 include a first radial positioning ramp and a second radial positioning ramp.
On the basis of the above embodiment, in order to make the stress on the hob mechanism and the hob box 2 in the locking and unlocking process more uniform, the locking wedges 4 may include a first locking wedge and a second locking wedge which are symmetrically arranged along the height direction of the hob support 3; the knife box 2 is provided with a first locking clamping groove locked or unlocked with the first locking wedge block and a second locking clamping groove locked or unlocked with the second locking wedge block; the connecting rod 5 comprises a first connecting rod and a second connecting rod, wherein one end of the first connecting rod is rotatably connected with the first locking wedge block, the other end of the first connecting rod is rotatably connected with the central sliding block 6, one end of the second connecting rod is rotatably connected with the second locking wedge block, and the other end of the second connecting rod is rotatably connected with the central sliding block 6.
Preferably, as shown in fig. 14 and 3, the first link and the second link may be symmetrically arranged in the height direction of the hob holder 3, and the first link includes a first link unit and a second link unit symmetrically arranged in the length direction of the locking wedge 4; the second connecting rod comprises a third connecting rod unit and a fourth connecting rod unit which are symmetrically arranged in the length direction of the locking wedge block 4; and the locking wedge 4 is provided with a connecting rod connecting groove 43 which is rotatably connected with the connecting rod 5, and the central slider 6 is rotatably connected with the connecting rod 5 through a rotating pin.
It should be noted that the first locking clamping groove is provided with a first locking matching surface matched with the first locking surface of the first locking wedge block, and the second locking clamping groove is provided with a second locking matching surface matched with the second locking surface of the second locking wedge block; the hob bracket 3 is provided with a first locking fixing groove matched with a first supporting surface of the first locking wedge block and a second locking fixing groove matched with a second supporting surface of the second locking wedge block; hob bracket 3 is provided with the spacing face of first voussoir that is used for restricting first locking voussoir turned angle and the spacing face of second voussoir that is used for restricting second locking voussoir turned angle, and spacing face 36 of voussoir includes the spacing face of first voussoir and the spacing face of second voussoir.
The movement of the central sliding block 6 can be driven by a cylinder or a motor, or the central sliding block 6 can be driven by other modes to move, and the determination is specifically determined according to actual conditions, which is not described herein.
It should be noted that the locking wedge 4 mentioned below includes a first locking wedge and a second locking wedge, the locking notch 23 includes a first locking notch and a second locking notch, the locking mating surface 23a includes a first locking mating surface and a second locking mating surface, and the connecting rod 5 includes a first connecting rod and a second connecting rod.
In addition to the above-described embodiment, the center slider 6 may be screwed with the center screw 7, the center screw 7 may be axially fixed to the hob holder 3, and the center screw 7 may rotate relative to the center slider 6 so that the center slider 6 moves in the mounting direction of the hob holder 3.
Preferably, the central screw 7 is arranged in the central position of the central slider 6.
In the using process, when the hob bracket 3 and the hob box 2 need to be locked, the central slider 6 can move inwards along the installation direction of the hob bracket 3 by rotating the central screw 7, so that the connecting rod 5 is driven to rotate, and the locking wedge 4 is matched and clamped with the locking clamping groove 23; when the hob bracket 3 and the hob box 2 need to be unlocked, the central sliding block 6 can move outwards along the installation direction of the hob bracket 3 by reversely rotating the central screw rod 7, so that the connecting rod 5 is driven to reversely rotate, and the locking wedge 4 and the locking clamping groove 23 are unlocked.
In addition to the above-described embodiments, in order to limit the direction of movement of the central slider 6, a guide rod 8 fixedly connected to the hob holder 3 may be provided in the locking mechanism, and the central slider 6 may be slidably arranged along the guide rod 8.
Preferably, the guide rod 8 comprises a first guide rod and a second guide rod which are symmetrically arranged along the length direction of the hob support 3, the guide rod 8 is fixedly connected with the hob support 3, the central sliding block 6 is provided with a through hole matched with the guide rod 8, and the guide rod 8 penetrates through the through hole so that the central sliding block 6 can slide along the guide rod 8.
In addition, a hob cutter shaft positioning groove 33 for installing the hob cutter 1 can be arranged on the hob support 3, and the hob cutter 1 is detachably connected with the hob support 3 through a bolt.
In the process of installing the hob 1, the hob 1 can be placed in the hob shaft positioning groove 33 firstly, the hob 1 is positioned and placed, and then the hob 1 is fixedly installed through bolts.
In the embodiment with the pressing assembly 9, when the hob 1 needs to be installed, the pressing assembly 9 is firstly installed in the cutter box 2, and then the cutter box 2 is fixed on the cutter head; assembling the hob mechanism; grabbing the assembled hob mechanism through a mechanical arm, and placing the hob mechanism inside the cutter box 2; after the length direction limiting surface 39a of the hob support 3 is attached to the length direction stepped surface 24a of the hob box 2 and the width direction limiting surface 39b is attached to the width direction stepped surface 24b for positioning, the central screw 7 is rotated forward, the central slider 6 moves towards the direction of the hob 1, the connecting rod 5 is driven to enable the locking wedge 4 to expand along the axial direction of the hob 1 and to swing into the positioning clamping groove 22, the central screw 7 is rotated continuously, the locking surface 41 of the locking wedge 4 is attached to the locking matching surface 23a, the supporting surface 42 is attached to the locking fixing groove 35, and positioning of the hob mechanism is completed; and then, the movable nut 91 is reversely rotated to a set torque through the tail end actuating mechanism of the mechanical arm, the wedge surface 94a of the pressing wedge block 94 is tightly attached to the pressing and positioning surface 38 of the hob support 3, so that the length direction limiting surface 39a of the hob support 3 is tightly attached to the length direction step surface 24a of the hob box 2, the width direction limiting surface 39b is tightly attached to the width direction step surface 24b, and the locking surface 41 is tightly attached to the locking and matching surface 23a, thereby completing the locking of the hob mechanism.
When the hob 1 needs to be replaced, firstly, the mechanical arm and an actuating mechanism at the tail end of the mechanical arm are used for grabbing the hob mechanism, and the movable nut 91 is rotated in the forward direction, so that the wedge-shaped surface 94a of the compression wedge block 94 is separated from the compression positioning surface 38 of the hob bracket 3; then, the central screw 7 is rotated, the central sliding block 6 moves towards the direction far away from the hob 1, the connecting rod 5 is driven to enable the locking wedge block 4 to contract along the axial direction of the hob 1 and separate from the positioning clamping groove 22, and the central screw 7 is continuously rotated until the locking wedge block 4 rotates to a wedge block limiting surface 36 of the hob support 3; and moving the mechanical arm, taking out the hob mechanism from the hob box 2, and disassembling and assembling the hob 1.
It should be noted that, in this document, the first connecting rod and the second connecting rod, the first connecting rod unit and the second connecting rod unit, the third connecting rod unit and the fourth connecting rod unit, the first locking wedge and the second locking wedge, the first locking slot and the second locking slot, the first locking mating surface and the second locking mating surface, the first supporting surface and the second supporting surface, the first locking surface and the second locking surface, the first axial inclined surface and the second axial inclined surface, the first radial inclined surface and the second radial inclined surface, the first axial positioning inclined surface and the second axial positioning inclined surface, the first radial positioning inclined surface and the second radial positioning inclined surface, the first connecting rod and the second connecting rod, and the first and second, and the third and fourth of the first pressing wedge and the second pressing wedge are only for explaining the difference of the positions, and are not sequentially divided.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The utility model provides an arbitrary compound mode of all embodiments all is in this utility model's a protection scope, does not do here and gives unnecessary details.
It is right above the utility model provides a shield constructs quick-witted hobbing cutter case device and has introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (12)
1. The shield machine hobbing cutter box device is characterized by comprising a hobbing cutter mechanism and a cutter box (2) for mounting the hobbing cutter mechanism, wherein the hobbing cutter mechanism comprises a hobbing cutter support (3) for mounting a hobbing cutter (1) and a locking mechanism for locking or unlocking the hobbing cutter support (3) and the cutter box (2);
the hobbing cutter mechanism is provided with a grabbing part convenient for the manipulator to grab;
the hob cutter support (3) is connected with the locking mechanism, and the hob box (2) is detachably connected with the hob cutter mechanism.
2. The shield tunneling machine hob box device according to claim 1, further comprising a hold-down assembly (9) for locking and unlocking the hob mechanism to and from the hob box (2), wherein the hold-down assembly (9) comprises a hold-down wedge (94) for being movably disposed along a length direction of the hob box (2) to lock and engage the hob support (3) to and from the hob box (2);
the pressing wedge block (94) is provided with a wedge surface (94a), the hob support (3) is provided with a pressing positioning surface (38) matched with the wedge surface (94a), and the hob box (2) is provided with a groove (26) matched with the pressing wedge block (94).
3. The shield tunneling machine hob box apparatus according to claim 2, wherein the hob support (3) is a U-shaped structure, and the pressing wedge (94) includes a first pressing wedge engaged with one side surface of the U-shaped structure and a second pressing wedge engaged with the other side surface of the U-shaped structure.
4. The shield tunneling machine hob box device according to claim 3, wherein the pressing assembly (9) includes a first connecting rod for connecting with the first pressing wedge, a second connecting rod for connecting with the second pressing wedge, a pull rod (93) for connecting the first connecting rod with the second connecting rod, and a movable nut (91) rotatably disposed on the pull rod (93), wherein the movable nut (91) is connected with a pressing screw (25) fixedly disposed on the hob box (2);
the movable nut (91) rotates relative to the compression screw (25) to move the first and second compression wedges along the length of the tool box (2).
5. The shield tunneling machine hob box device according to claim 4, wherein a step-shaped pressing limiting surface (39) is provided on one side of the hob support (3) in the width direction, and the hob box (2) is provided with a positioning step surface (24) which is matched with the pressing limiting surface (39).
6. The shield tunneling machine hob box device according to any one of claims 1 to 5, wherein the hob box (2) is provided with a locking clamping groove (23), the locking mechanism is provided with a locking wedge (4) which is matched with the locking clamping groove (23) to be clamped or released, and the locking wedge (4) is rotatably connected with the hob support (3).
7. The shield tunneling machine hob box device according to claim 6, wherein the locking wedge (4) is provided with a locking surface (41) for cooperating with a locking mating surface (23a) of the locking slot (23);
the locking surface (41) is attached to or separated from the locking matching surface (23a) so that the locking wedge block (4) and the locking clamping groove (23) can be locked or unlocked;
and/or the hob bracket (3) is provided with a locking fixing groove (35), and the locking wedge block (4) is provided with a supporting surface (42) matched with the locking fixing groove (35).
8. The shield tunneling machine hob box device according to claim 7, wherein the hob support (3) is provided with an elongated hole (34), the locking wedge (4) is rotatably disposed relative to the elongated hole (34), and the locking wedge (4) is slidably disposed along a length direction of the elongated hole (34).
9. The shield tunneling machine hob box device according to claim 8, wherein the locking mechanism further includes a connecting rod (5) rotatably connected to the locking wedge (4), and the other end of the connecting rod (5) is rotatably connected to a central slider (6) movable in the installation direction of the hob support (3);
the central sliding block (6) moves forwards or backwards along the installation direction of the hob support (3) so that the locking wedge block (4) is matched with the locking clamping groove (23) in a clamping mode or is released.
10. The shield tunneling machine hob box device according to claim 9, wherein the locking wedges (4) include a first locking wedge and a second locking wedge symmetrically disposed along a height direction of the hob support (3);
the knife box (2) is provided with a first locking clamping groove locked or unlocked with the first locking wedge block and a second locking clamping groove locked or unlocked with the second locking wedge block;
the connecting rod (5) comprises a first connecting rod and a second connecting rod, wherein one end of the first connecting rod is rotationally connected with the first locking wedge block, the other end of the first connecting rod is rotationally connected with the central sliding block (6), one end of the second connecting rod is rotationally connected with the second locking wedge block, and the other end of the second connecting rod is rotationally connected with the central sliding block (6).
11. The shield tunneling machine hob box device according to claim 10, characterized in that a central screw (7) is threadedly connected to the central slider (6), the central screw (7) is axially fixedly connected to the hob support (3), and the central screw (7) rotates relative to the central slider (6) to move the central slider (6) in the installation direction of the hob support (3).
12. The shield tunneling machine hob box device according to claim 11, characterized in that the locking mechanism is provided with a guide rod (8) fixedly connected with the hob support (3), the central slider (6) being slidably arranged along the guide rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920857001.6U CN209959256U (en) | 2019-06-06 | 2019-06-06 | Shield constructs quick-witted hobbing cutter case device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920857001.6U CN209959256U (en) | 2019-06-06 | 2019-06-06 | Shield constructs quick-witted hobbing cutter case device |
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| Publication Number | Publication Date |
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| CN209959256U true CN209959256U (en) | 2020-01-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080788A (en) * | 2019-06-06 | 2019-08-02 | 中国铁建重工集团股份有限公司 | A kind of shield machine roller cutter girff device |
-
2019
- 2019-06-06 CN CN201920857001.6U patent/CN209959256U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080788A (en) * | 2019-06-06 | 2019-08-02 | 中国铁建重工集团股份有限公司 | A kind of shield machine roller cutter girff device |
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