CN220118122U - Cutter fixing device of shield tunneling machine - Google Patents

Abstract

The utility model relates to the technical field of shield tunneling machine accessories, in particular to a shield tunneling machine cutter fixing device which comprises a cutter mounting seat, wherein a plurality of cutter mounting grooves are formed in the cutter mounting seat, cutters are arranged in the cutter mounting grooves, rectangular insertion holes are formed in rear side blocks of the cutters, a sliding block is connected in the cutter mounting grooves in a sliding mode, a vertical guide block is fixedly arranged at the bottom end of the sliding block, a reinforcing cushion block is fixedly arranged on the front side face of the sliding block, the sliding block and the reinforcing cushion block are fixedly connected with the cutter mounting seat through fastening bolts, rectangular insertion blocks are fixedly arranged on the bottom face of the sliding block, the rectangular insertion blocks are in insertion fit with the rectangular insertion holes, two limiting plates are fixedly arranged on front end protruding end plate bodies of the sliding block, insertion plates are fixedly arranged on the left side face and the right side face of the cutter, limiting clamping plates are fixedly arranged at the tail ends of the insertion plates, and are in clamping fit with clamping gaps. The utility model has firm and stable structure, is convenient to assemble and disassemble and is not easy to loosen.

Description

Cutter fixing device of shield tunneling machine

Technical Field

The utility model relates to the technical field of shield tunneling machine accessories, in particular to a shield tunneling machine cutter fixing device.

Background

The shield machine is a special engineering machine for tunneling, and is generally divided into a manual shield, an extrusion shield, a semi-mechanical shield, a mechanical shield and the like, wherein the shield machine is provided with a corresponding cutter mounting seat, a plurality of cutters are arranged on the cutter mounting seat, tunneling operation of a tunnel is completed after the cutters are driven to rotate along with rotation of the cutter mounting seat, and a fixing device is generally arranged between the cutters and the cutter mounting seat, so that the fixing operation of the cutters is realized through the fixing device;

the utility model patent with the authorized bulletin number of CN218780358U discloses a rapid mounting and fixing device for a shield machine cutter, belongs to the technical field of shield machine cutters, and solves the problems that the existing shield machine cutter is long in time for replacing and the tunneling speed is seriously influenced; the limiting device is connected with the fixed block to fix the square shaft of the shield machine cutter in the first clamping groove;

although this technical scheme has the quick locking of adoption stop device or releases the fixed block to lock or release shield constructs the quick installation of machine cutter through the fixed block to realize shield constructs the quick installation of machine cutter, with the advantage of improving the change efficiency of shield constructs the machine cutter, but this technical scheme is when specifically using, adopts the locking fixed block to carry out spacing fixed to the cutter, because it is fixed to adopt the mode of supporting tightly between spacing post and the movable block, after the movable block appears becoming flexible, can further cause spacing post to appear not hard up the condition, there is the defect that is not firm enough to the cutter fixation, because the cutter is great at the in-process of tunneling, the fixed not firm enough can be because the circumstances that the atress is great appears the pine and take off, influence the normal use of cutter. In view of the above, we propose a shield tunneling machine cutter fixing device.

Disclosure of Invention

The utility model aims to provide a shield tunneling machine cutter fixing device which aims to overcome the defects in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a shield constructs quick-witted cutter fixing device, includes the cutter mount pad, be provided with a plurality of fronts and the cutter mounting groove that the top all is linked together with the external world in the cutter mount pad, be provided with the cutter in the cutter mounting groove, be provided with the rectangle jack on the rear side block of cutter, sliding connection has the slider in the cutter mounting groove, the bottom fixed mounting of slider has vertical guide block, fixed mounting has the reinforcement cushion on the leading flank of slider, the slider with the reinforcement cushion all with use fastening bolt fixed connection between the cutter mount pad, fixed mounting has the rectangle inserted block on the bottom surface of slider, the rectangle inserted block be located in the rectangle jack and with peg graft the cooperation between the rectangle jack, the reinforcement cushion will the cutter compresses tightly on the diapire of cutter mounting groove.

Preferably, the vertical guide block is slidably connected with the cutter mounting groove for guiding operation.

Preferably, a top blocking block for blocking the cutter mounting groove is fixedly mounted on the top surface of the sliding block, and the top blocking block is used for reducing fragments from falling into the cutter mounting groove.

Preferably, the cutter mounting groove and the section of the sliding block are T-shaped, the size of the cutter mounting groove is matched with the size of the sliding block, and the sliding block is ensured to be stably inserted into the cutter mounting groove.

Preferably, two mutually symmetrical limiting plates are fixedly mounted on the bottom surface of the front end part protruding end plate body of the sliding block, an insertion gap is formed between the two limiting plates, a clamping gap is formed between the limiting plates and the vertical guide blocks, inserting plates are fixedly mounted on the left side surface and the right side surface of the cutter, the inserting plates are matched with the insertion gap in an inserting mode, limiting clamping plates are fixedly mounted at the tail ends of the inserting plates and are located in the clamping gap and matched with the clamping gap in a clamping mode, and further limiting fixation is conducted on the cutter.

Preferably, the limiting clamping plate abuts against the rear side face of the limiting plate to increase stability of the cutter.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arranged components such as the cutter, the sliding block and the like, the rectangular insertion block is inserted into the cutter mounting groove to limit the cutter, in addition, a plurality of fastening bolts are used for fixing the sliding block and the reinforcing cushion block with the cutter mounting seat, so that the whole structure is more firm, the loosening condition is not easy to occur after the stress, and the effects of whole stability and difficult loosening and falling are achieved.

2. According to the utility model, through the plug board, the limiting clamping board and the limiting board, the cutter can be further limited and fixed, the cutter is ensured to be fixed in the cutter mounting groove in a limiting manner and is firmer and more stable, and finally, the cutter is convenient to detach and replace due to detachable connection of the cutter and the components such as the sliding block.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a portion of the structure of the present utility model;

FIG. 3 is a second schematic view of a portion of the present utility model.

The meaning of each reference numeral in the figures is: 1. a cutter mounting seat; 10. a cutter mounting groove; 2. a cutter; 20. rectangular jacks; 21. a plug board; 22. a limiting clamping plate; 3. a slide block; 30. a vertical guide block; 31. reinforcing the cushion block; 32. rectangular inserting blocks; 33. a limiting plate; 34. a clamping gap; 35. inserting the gap; 36. a top closure block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a shield constructs quick-witted cutter fixing device, including cutter mount pad 1, be provided with a plurality of front sides and the cutter mounting groove 10 that the top all is linked together with the external world in the cutter mount pad 1, be provided with cutter 2 in the cutter mounting groove 10, be provided with rectangular jack 20 on the rear side block of cutter 2, cutter mounting groove 10 sliding connection has slider 3, the bottom fixed mounting of slider 3 has vertical guide block 30, sliding connection is used for guiding operation between vertical guide block 30 and the cutter mounting groove 10;

specifically, the reinforcing cushion block 31 is fixedly arranged on the front side surface of the sliding block 3, the sliding block 3 and the reinforcing cushion block 31 are fixedly connected with the cutter mounting seat 1 through fastening bolts, so that the whole structure is more firm and stable, and the situation of loosening and loosening after stress is difficult to occur is ensured; the rectangular inserting block 32 is fixedly arranged on the bottom surface of the sliding block 3, the rectangular inserting block 32 is positioned in the rectangular inserting hole 20 and is in plug-in fit with the rectangular inserting hole 20, and the reinforcing cushion block 31 presses the cutter 2 on the bottom wall of the cutter mounting groove 10, so that the cutter 2 is fixedly operated.

In this embodiment, a top plugging block 36 for plugging the tool mounting groove 10 is fixedly installed on the top surface of the slider 3, and the top plugging block 36 is plugged in the tool mounting groove 10 for reducing the falling of scraps, soil and the like into the tool mounting groove 10.

Further, the sections of the cutter mounting groove 10 and the sliding block 3 are T-shaped, and the size of the cutter mounting groove 10 is matched with the size of the sliding block 3, so that the sliding block 3 can be stably inserted into the cutter mounting groove 10.

In addition, two mutually symmetrical limiting plates 33 are fixedly mounted on the bottom surface of the front end part protruding end plate body of the sliding block 3, an insertion gap 35 is formed between the two limiting plates 33, a clamping gap 34 is formed between the limiting plates 33 and the vertical guide block 30, a plugboard 21 is fixedly mounted on the left side surface and the right side surface of the cutter 2, the plugboard 21 is in plug-in fit with the insertion gap 35, a limiting clamping plate 22 is fixedly mounted at the tail end of the plugboard 21, and the limiting clamping plate 22 is located in the clamping gap 34 and is in clamping fit with the clamping gap 34, so that the cutter 2 is further limited and fixed.

It should be noted that the limiting clamping plate 22 abuts against the rear side surface of the limiting plate 33 to increase the stability of the cutter 2.

When the shield tunneling machine cutter fixing device is used, a cutter 2 is slid onto the bottom wall of the cutter mounting groove 10 along the top of the cutter mounting groove 10, then a vertical guide block 30 is aligned with the cutter mounting groove 10 and is slid into the cutter mounting groove 10, a rectangular inserting block 32 is inserted into a rectangular inserting hole 20, meanwhile, an inserting plate 21 is ensured to be inserted into an inserting gap 35, a limiting clamping plate 22 is clamped at a clamping gap 34, the limiting clamping plate 22 is abutted against the rear side surface of a limiting plate 33, a sliding block 3 and a reinforcing cushion block 31 are fixedly mounted on a cutter mounting seat 1 by using fastening bolts, the fixing mounting operation is completed, and the fixing can be ensured by adopting a plurality of fastening bolts;

when dismantling, unscrewing the fastening bolt on slider 3 and the reinforcement cushion block 31, dismantle again and change cutter 2, facilitate the use.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a shield constructs quick-witted cutter fixing device, includes cutter mount pad (1), its characterized in that: be provided with a plurality of fronts and top all with cutter mounting groove (10) that external world is linked together in cutter mount pad (1), be provided with cutter (2) in cutter mounting groove (10), be provided with rectangle jack (20) on the rear side block of cutter (2), sliding connection has slider (3) in cutter mounting groove (10), the bottom fixed mounting of slider (3) has vertical guide block (30), fixed mounting has on the leading flank of slider (3) consolidates cushion (31), slider (3) with consolidate cushion (31) all with use fastening bolt fixed connection between cutter mount pad (1), fixed mounting has rectangle inserted block (32) on the bottom surface of slider (3), rectangle inserted block (32) be located in rectangle jack (20) and with the cooperation between rectangle jack (20), consolidate plug (31) will cutter (2) compress tightly on the diapire of cutter mounting groove (10).

2. The shield tunneling machine cutter fixing apparatus of claim 1, wherein: the vertical guide block (30) is in sliding connection with the cutter mounting groove (10) for guiding operation.

3. The shield tunneling machine cutter fixing apparatus of claim 1, wherein: a top plugging block (36) for plugging the cutter mounting groove (10) is fixedly mounted on the top surface of the sliding block (3), and the top plugging block (36) is used for reducing fragments from falling into the cutter mounting groove (10).

4. The shield tunneling machine cutter fixing apparatus of claim 1, wherein: the cross sections of the cutter mounting groove (10) and the sliding block (3) are T-shaped, and the size of the cutter mounting groove (10) is matched with the size of the sliding block (3).

5. The shield tunneling machine cutter fixing apparatus of claim 1, wherein: two mutually symmetrical limiting plates (33) are fixedly mounted on the bottom surface of the front end part protruding end plate body of the sliding block (3), an insertion gap (35) is formed between the two limiting plates (33), a clamping gap (34) is formed between the limiting plates (33) and the vertical guide blocks (30), inserting plates (21) are fixedly mounted on the left side surface and the right side surface of the cutter (2), the inserting plates (21) are in insertion fit with the insertion gap (35), limiting clamping plates (22) are fixedly mounted at the tail ends of the inserting plates (21), and the limiting clamping plates (22) are located in the clamping gap (34) and are in clamping fit with the clamping gap (34).

6. The shield tunneling machine cutter fixing apparatus of claim 5, wherein: the limiting clamping plate (22) is propped against the rear side surface of the limiting plate (33) and used for increasing the stability of the cutter (2).