CN218816411U

CN218816411U - Positioning and fixing device for hob of shield machine

Info

Publication number: CN218816411U
Application number: CN202223237574.XU
Authority: CN
Inventors: 夏金阳
Original assignee: Tianjin Ruitong Machinery Co ltd
Current assignee: Tianjin Ruitong Machinery Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-04-07
Anticipated expiration: 2032-12-05

Abstract

The utility model relates to a hobbing cutter fixes a position fixed technical field, and discloses a shield constructs location fixing device of quick-witted hobbing cutter, including the fixing base, seted up the standing groove in the fixing base, be equipped with the hobbing cutter axle in the standing groove, the axle wall of hobbing cutter axle rotates the cover and is equipped with the hobbing cutter, the lateral wall contact of hobbing cutter axle is equipped with the fixture block, the outer wall of fixture block is fixed and is equipped with even board, even the board one end inside rotation of keeping away from the fixture block wear to be equipped with the horizontal pole, the both ends of horizontal pole are fixed jointly and are equipped with the fixed plate, the fixed plate is equipped with pulling resilient means with the lateral wall fixed connection of fixing base, even the inside of board, the outer wall of fixed plate is equipped with stop gear. The utility model discloses can carry out quick location fixed to shield structure machine's hobbing cutter in less space, the follow-up dismantlement of being convenient for is changed.

Description

Positioning and fixing device for hob of shield machine

Technical Field

The utility model relates to a hobbing cutter location fixes technical field, especially relates to a shield constructs location fixing device of quick-witted hobbing cutter.

Background

The shield construction method is that a tunneling machine builds a shield of a tunnel while tunneling, the main used apparatus is the shield machine, a hob is a necessary tunneling part in the shield machine, and the position area fixed by the hob of the existing shield machine is small, so that when the hob is worn after being used for a long time and needs to be replaced, the operation space is small, and the hob is not convenient to replace quickly.

Therefore, a positioning and fixing device for the hob of the shield machine is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at carrying out quick location fixed in less space in order to shield the hobbing cutter of machine, the follow-up change of dismantling of being convenient for, and the positioning fixing device of the hobbing cutter of shield machine who provides.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a shield constructs location fixing device of quick-witted hobbing cutter, includes the fixing base, the standing groove has been seted up in the fixing base, be equipped with the hobbing cutter axle in the standing groove, the axle wall of hobbing cutter axle rotates the cover and is equipped with the hobbing cutter, the lateral wall contact of hobbing cutter axle is equipped with the fixture block, the outer wall of fixture block is fixed and is equipped with even board, even the board keep away from the one end inside rotation of fixture block and wear to be equipped with the horizontal pole, the both ends of horizontal pole are fixed jointly and are equipped with the fixed plate, the lateral wall fixed connection of fixed plate and fixing base, the inside of even board is equipped with pulling resilience mechanism, the outer wall of fixed plate is equipped with stop gear.

Preferably, the pulling resilience mechanism comprises a sliding rod, a sliding groove is formed in the connecting plate, the sliding rod is slidably arranged in the sliding groove and fixedly connected with the fixed seat, a spring is sleeved on the rod wall of the sliding rod, one end of the spring is fixedly connected with the sliding rod, and the other end of the spring is in contact connection with the connecting plate.

Preferably, the slide bar is arranged in an arc shape.

Preferably, stop gear includes the limiting plate, the fixed backup pad that is equipped with of outer wall of fixed plate, the backup pad internal fixation is equipped with the bracing piece, the pole wall of bracing piece rotates the cover and is equipped with the diaphragm, diaphragm and limiting plate fixed connection, the limiting plate inserts even inboard, the pole wall cover of bracing piece is equipped with the torsional spring, the both ends of torsional spring respectively with bracing piece and diaphragm fixed connection.

Preferably, the side wall of the connecting plate is provided with a limit groove matched with the limit plate in an inserting connection mode.

Preferably, the outer wall of the transverse plate is fixedly provided with a pull rod.

Preferably, the outer side wall of the fixture block is matched with the shaft wall of the hob shaft.

Compared with the prior art, the utility model provides a shield constructs location fixing device of quick-witted hobbing cutter possesses following beneficial effect:

1. this shield constructs location fixing device of quick-witted hobbing cutter through fixing base, standing groove, hobbing cutter axle, fixture block, even board, pulling resilience mechanism, fixed plate and the horizontal pole that is equipped with, can fix a position fast the position of hobbing cutter axle and hobbing cutter to dismantle the change fast.

2. This shield constructs positioning and fixing device of quick-witted hobbing cutter through stop gear and the pull rod that is equipped with, can assist spacingly to the position of even board and fixture block, improves the fixed stability in location to the hobbing cutter.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure can carry out quick location fixed in less space to the hobbing cutter of shield structure machine, and the follow-up dismantlement of being convenient for is changed, has improved the result of use of shield structure machine hobbing cutter.

Drawings

Fig. 1 is a schematic structural view of a positioning and fixing device for a hob of a shield machine according to the present invention;

FIG. 2 is a schematic view of the slide bar of FIG. 1;

fig. 3 is an enlarged view of a portion a of fig. 1.

In the figure: 1. a fixed seat; 2. a roll shaft; 3. hobbing cutters; 4. a clamping block; 5. connecting plates; 6. a cross bar; 7. a fixing plate; 8. a slide bar; 9. a spring; 10. a limiting plate; 11. a support plate; 12. a support bar; 13. a transverse plate; 14. a torsion spring; 15. a pull rod.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1, a positioning and fixing device for a shield machine hob includes a fixing base 1, a placing groove is formed in the fixing base 1, a hob shaft 2 is arranged in the placing groove, a hob shaft 3 is rotatably sleeved on a shaft wall of the hob shaft 2, a fixture block 4 is arranged in contact with a side wall of the hob shaft 2, an outer side wall of the fixture block 4 is matched with the shaft wall of the hob shaft 2, and positions of the hob shaft 2 and the hob 3 are fixed.

As shown in fig. 1 and 3, the outer wall of the fixture block 4 is fixedly provided with a connecting plate 5, one end of the connecting plate 5, which is far away from the fixture block 4, is internally rotated to penetrate through a cross rod 6, two ends of the cross rod 6 are jointly and fixedly provided with a fixing plate 7, the fixing plate 7 is fixedly connected with the side wall of the fixing seat 1, and the connecting plate 5 can drive the fixture block 4 to rotate so as to be convenient for connecting or separating the hob shaft 2.

As shown in fig. 2-3, the inside of even board 5 is equipped with pulling resilience mechanism, pulling resilience mechanism includes slide bar 8, slide bar 8 is the arc setting, the spout has been seted up to the inside of even board 5, slide bar 8 slide locate in the spout and with fixing base 1 fixed connection, even board 5 can slide along slide bar 8, the pole wall cover of slide bar 8 is equipped with spring 9, spring 9's one end and slide bar 8 fixed connection, the other end is connected with even board 5 contact, even board 5 can kick-back to the normal position under spring 9's pulling after sliding.

As shown in fig. 3, the outer wall of the fixing plate 7 is provided with a limiting mechanism, the limiting mechanism includes a limiting plate 10, the outer wall of the fixing plate 7 is fixedly provided with a supporting plate 11, a supporting rod 12 is fixedly arranged in the supporting plate 11, the rod wall of the supporting rod 12 is rotatably sleeved with a transverse plate 13, the outer wall of the transverse plate 13 is fixedly provided with a pull rod 15, and the pull rod 15 can drive the transverse plate 13 to rotate.

As shown in fig. 3, the transverse plate 13 is fixedly connected with the limiting plate 10, the limiting plate 10 is inserted into the connecting plate 5, and a limiting groove matched with the limiting plate 10 for insertion is formed in the side wall of the connecting plate 5 to fix the position of the connecting plate 5.

As shown in fig. 3, the wall of the supporting rod 12 is sleeved with a torsion spring 14, two ends of the torsion spring 14 are respectively fixedly connected with the supporting rod 12 and the transverse plate 13, and after the limiting plate 10 is rotated, the limiting plate 10 can be rebounded to the original position and is fixedly connected with the connecting plate 5 in an inserting manner.

The utility model discloses in, when needs are dismantled the hobbing cutter, can pull rod 15 makes diaphragm 13 revolve around bracing piece 12, and twist reverse torsional spring 14, limiting plate 10 extracts from the spacing inslot of even board 5 lateral walls this moment, then can stimulate even board 5, make even board 5 extrude spring 9 under the cooperation of slide bar 8 and spout, thereby even board 5 and the separation of hobbing cutter axle 2 are being followed to fixture block 4, can dismantle hobbing cutter axle 2 and hobbing cutter 3, and when needs are fixed hobbing cutter 3, reverse above-mentioned process that carries on, to contacting fixture block 4 and hobbing cutter axle 2, and peg graft with even board 5 through limiting plate 10, can to even board 5 and fixture block 4's rigidity.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a shield constructs location fixing device of quick-witted hobbing cutter, includes fixing base (1), its characterized in that, the standing groove has been seted up in fixing base (1), be equipped with hobbing cutter axle (2) in the standing groove, the axle wall of hobbing cutter axle (2) rotates the cover and is equipped with hobbing cutter (3), the lateral wall contact of hobbing cutter axle (2) is equipped with fixture block (4), the outer wall fixation of fixture block (4) is equipped with even board (5), even board (5) keep away from the inside rotation of one end of fixture block (4) and wear to be equipped with horizontal pole (6), the both ends of horizontal pole (6) are fixed plate (7) jointly, the lateral wall fixed connection of fixed plate (7) and fixing base (1), the inside of even board (5) is equipped with pulling resilience mechanism, the outer wall of fixed plate (7) is equipped with stop gear.

2. The positioning and fixing device for the hob of the shield tunneling machine according to claim 1, wherein the pulling springback mechanism includes a sliding rod (8), a sliding groove is formed inside the connecting plate (5), the sliding rod (8) is slidably disposed in the sliding groove and fixedly connected with the fixing seat (1), a spring (9) is sleeved on a rod wall of the sliding rod (8), one end of the spring (9) is fixedly connected with the sliding rod (8), and the other end of the spring is in contact connection with the connecting plate (5).

3. The positioning and fixing device for the hob of the shield tunneling machine according to claim 2, wherein the sliding rods (8) are arranged in an arc shape.

4. The shield constructs location fixing device of quick-witted hobbing cutter of machine of claim 1, characterized in that, stop gear includes limiting plate (10), the fixed backup pad (11) that is equipped with of outer wall of fixed plate (7), backup pad (11) internal fixation is equipped with bracing piece (12), the pole wall of bracing piece (12) is rotated the cover and is equipped with diaphragm (13), diaphragm (13) and limiting plate (10) fixed connection, limiting plate (10) insert even board (5) in, the pole wall cover of bracing piece (12) is equipped with torsional spring (14), the both ends of torsional spring (14) respectively with bracing piece (12) and diaphragm (13) fixed connection.

5. The positioning and fixing device for the hob of the shield tunneling machine according to claim 1, wherein a limiting groove matched with the limiting plate (10) in an inserted manner is formed in the side wall of the connecting plate (5).

6. The positioning and fixing device for the hob of the shield tunneling machine according to claim 4, wherein a pull rod (15) is fixedly arranged on the outer wall of the transverse plate (13).

7. The positioning and fixing device for the hob of the shield tunneling machine according to claim 1, wherein the outer side wall of the fixture block (4) is matched with the shaft wall of the hob shaft (2).