CN214219792U

CN214219792U - Cutter-suction dredger reamer

Info

Publication number: CN214219792U
Application number: CN202022751570.8U
Authority: CN
Inventors: 周剑平; 郭广; 叶森; 赵波
Original assignee: Zhejiang Hehai Construction Co ltd
Current assignee: Zhejiang Hehai Construction Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-09-17
Anticipated expiration: 2030-11-24

Abstract

The utility model relates to a cutter-suction dredger reamer relates to cutter-suction dredger mud digging device's field, and it includes tool arm and big circle, the one end that the tool arm is close to the big circle is rotated and is connected with the spliced pole, be equipped with the spliced eye on the big circle, the spliced pole is worn to locate in the spliced eye and is extended the big circle and keep away from one side of tool arm, one side that the tool arm was kept away from to the spliced pole is fixed with the joint piece, be equipped with on the big circle and supply the joint piece to wear to establish and the hole of wearing to establish that slides, wear to establish the hole and feed through mutually with the spliced eye, one side that the tool arm was kept away from to joint piece butt in the big circle. The cutter arm or the big circle of wearing and tearing and the during operation that can't be worked have been improved, need wholly change, cause extravagant problem, this application has when cutter arm or big circle wearing and tearing, unpacks apart both, only need to change one of them part can, practiced thrift material cost's effect.

Description

Cutter-suction dredger reamer

Technical Field

The application relates to the field of dredging devices of cutter suction dredgers, in particular to a reamer of a cutter suction dredger.

Background

The cutter suction dredger is that soil at river bottom or sea bottom is loosened by rotating reamer and mixed with cement to form slurry, which is sucked into pump body via suction pipe and sent to sludge discharge area via sludge discharge pipe. When the cutter suction dredger is constructed, dredging, mud conveying and mud discharging are integrated, the self-completion is realized, and the production efficiency is higher. The device is suitable for dredging inland river and lake regions with small storms and low flow velocity and ports along the sea, is suitable for excavating soil such as sand, sandy loam, sludge and the like, can excavate clay after adopting a toothed reamer, but has low work efficiency.

In the related art, referring to fig. 8, a cutter suction dredger reamer comprises a hub 5, cutter teeth 6, a cutter arm 1 and a large ring 2, wherein the number of the cutter arms 1 is a plurality, the cutter arm 1 is fixedly connected to the outer side wall of the hub 5 along the circumferential direction of the hub 5, the cutter teeth 6 are arranged along the length direction of the cutter arm 1, the cutter teeth 6 are arranged perpendicular to the cutter arm 1, and one end, far away from the hub 5, of the cutter arm 1 is fixedly connected to one side, close to the cutter arm 1, of the large ring 2.

In view of the above-mentioned related technologies, the inventor believes that the knife arm is generally welded to the large ring, and when the knife arm or the large ring is worn out and cannot work, the knife arm or the large ring needs to be replaced as a whole, which causes waste.

SUMMERY OF THE UTILITY MODEL

In order to improve when cutter arm or big circle wearing and tearing and can't work, need wholly change, cause extravagant problem, this application provides a cutter suction dredger reamer.

The application provides a cutter-suction dredger reamer adopts following technical scheme:

the utility model provides a cutter suction dredger reamer, includes tool arm and big circle, the one end that the tool arm is close to the big circle is rotated and is connected with the spliced pole, be equipped with the spliced eye on the big circle, the spliced pole wears to locate in the spliced eye and extends the big circle and keep away from one side of tool arm, one side that the tool arm was kept away from to the spliced pole is fixed with the joint piece, be equipped with on the big circle and supply the joint piece to wear to establish and the wear-to-establish hole that slides, wear to establish hole and spliced eye intercommunication each other, one side that the tool arm was kept away from in the big circle to joint piece butt.

Through adopting above-mentioned technical scheme, the joint piece passes and extends the opposite side that the arm of a knife was kept away from to the big circle after the through-hole, rotates back fixture block butt on big circle for the grafting pole is difficult to break away from in the grafting hole, and the arm of a knife can be dismantled and connect on big circle, when arm of a knife or big circle wearing and tearing, unpacks both apart, only need to change one of them part can, practiced thrift material cost.

Optionally, one side of the large ring far away from the knife arm is provided with a locking component for locking the clamping block on one side of the large ring far away from the knife arm.

Through adopting above-mentioned technical scheme, the setting of locking Assembly for the fixture block is difficult for rotating to wearing to break away from in the perforation after the position that the hole corresponds.

Optionally, the locking assembly includes a supporting block, a limiting block, a locking rod and a locking block, the supporting block, the limiting block, the locking rod and the locking block are all two in number, two the supporting block is located on the same side of the insertion hole, the supporting block is fixedly connected to one side of the large circle away from the tool arm, the locking rod is arranged on the supporting block in a penetrating mode and is arranged towards the insertion hole, the locking block is fixedly connected to one end, close to the clamping block, of the locking rod, the limiting block is fixed to one end, far away from the locking block, of the locking rod, the limiting block abuts against one side, far away from the locking hole, of the supporting block, and the two locking blocks abut against two opposite side walls of the clamping block respectively.

Through adopting above-mentioned technical scheme, two locking piece butt in the rotation of the both sides restriction joint piece of joint piece for the joint piece is fixed in the one side that the arm of a knife was kept away from to the great circle, makes the joint piece be difficult for rocking, has improved the stability of locking subassembly.

Optionally, the locking assembly further includes a compression spring, the compression spring is sleeved on the locking rod, one end of the compression spring abuts against the supporting block, and the other end of the compression spring abuts against the locking block.

Through adopting above-mentioned technical scheme, compression spring's setting for the locking lever need not artificial gripping can order about the locking piece butt on the butt piece, improves two locking Assembly's locking efficiency.

Optionally, a guide surface is arranged on one side, close to the insertion hole, of the locking block, and the guide surface is arranged on one side, far away from the clamping block, of the locking block.

Through adopting above-mentioned technical scheme, the setting of spigot surface, the guide is pegged graft the piece and is rotated and insert between two locking blocks, has improved the rotation efficiency of pegging graft the piece.

Optionally, a guide cylinder is arranged on one side, close to the clamping block, of the supporting block, and the locking block is embedded in the guide cylinder.

Through adopting above-mentioned technical scheme, the setting of guide cylinder for the locking piece is difficult for rocking at the in-process that slides along locking lever length direction, has improved the stability of locking piece.

Optionally, still be equipped with the protection casing on the bull ring, the protection casing includes bounding wall and apron, bounding wall fixed connection is in the one side that the bull ring kept away from the tool arm, the bounding wall is kept away from and is equipped with the groove of sliding on the double-phase contralateral wall of bull ring, the groove of sliding runs through the both ends of lateral wall, the both ends of apron slide in the groove of sliding, apron cooperation bounding wall is formed with the space, locking Assembly inlays and locates in the space.

Through adopting above-mentioned technical scheme, the setting of protection casing for the reamer is at the course of the work, and locking Assembly is difficult for receiving the pollution of silt, has improved the cleanliness of reamer.

Optionally, protrusions are fixed on two opposite side walls of the cover plate close to the sliding groove, and a groove for embedding the protrusions is formed in the bottom of the sliding groove.

Through adopting above-mentioned technical scheme, the arch inlays and locates in the recess for be difficult for receiving external influence and rocking behind the apron lid closes the bounding wall, improved the stability that the apron lid closed the bounding wall.

Optionally, a gripping member is fixed to a side of the cover plate away from the enclosing plate.

Through adopting above-mentioned technical scheme, the area of gripping of apron has been increased in the setting of gripping, and convenience of customers opens or closes the lid to the apron through operation gripping, has improved the efficiency of sliding of apron.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the cutter arm or the large ring is worn, the cutter arm and the large ring are disassembled, and only one part needs to be replaced, so that the material cost is saved;

2. the arrangement of the locking assembly enables the fixture block not to easily rotate to the position corresponding to the through hole and then to be separated from the through hole;

3. the setting of the gripping piece has increased the area of gripping of apron, and convenience of customers opens or closes the lid to the apron through the operation gripping piece, has improved the efficiency of sliding of apron.

Drawings

Fig. 1 is a schematic structural view of a cutter suction dredger reamer in an embodiment of the present application.

Fig. 2 is an exploded view of the knife arm and the insertion rod in the embodiment of the present application.

Figure 3 is an exploded view of the eyelet, locking assembly and shield in an embodiment of the present application.

FIG. 4 is a side view of a locking assembly in an embodiment of the present application.

Fig. 5 is a sectional view taken along the line a-a in fig. 4.

Fig. 6 is a schematic structural diagram of a shield in an embodiment of the present application.

Fig. 7 is an enlarged schematic view of a portion B in fig. 6.

Fig. 8 is a schematic view showing a structure of a reamer of a cutter suction dredger according to the related art.

Description of reference numerals: 1. a cutter arm; 11. mounting grooves; 12. fixing the disc; 2. large circles; 21. a circular groove; 22. inserting holes; 23. perforating holes; 24. a protective cover; 241. enclosing plates; 2411. a sliding groove; 2412. a groove; 242. a cover plate; 2421. a protrusion; 2422. a grip; 243. a void; 3. a plug rod; 31. a clamping block; 32. a chuck; 4. a locking assembly; 41. a locking block; 411. a guide surface; 42. a locking lever; 43. a support block; 44. a guide cylinder; 45. a limiting block; 46. a compression spring; 5. a hub; 6. and (6) cutting teeth.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a cutter-suction dredger reamer. Referring to fig. 1, a cutter suction dredger reamer comprises a cutter arm 1 and a large loop 2.

Referring to fig. 1 and 2, one side that the arm knife 1 is close to big circle 2 is rotated and is connected with peg graft pole 3, and peg graft pole 3 is close to one side fixedly connected with chuck 32 of arm knife 1, is equipped with mounting groove 11 on the arm knife 1, and chuck 32 inlays and locates in mounting groove 11, and the cover is equipped with fixed disk 12 on the peg graft pole 3, and fixed disk 12 passes through bolt fixed connection on arm knife 1 for when peg graft pole 3 rotates on arm knife 1, chuck 32 is difficult for breaking away from in the mounting groove 11. The circular groove 21 is formed in the large ring 2, and the fixed disc 12 is embedded in the circular groove 21, so that the cutter arm 1 is not prone to shaking when being installed on the large ring 2.

One end of the insertion rod 3, which is far away from the chuck 32, is fixed with two clamping blocks 31, the number of the clamping blocks 31 is two, the two clamping blocks 31 are positioned on two sides of the insertion rod 3, the large ring 2 is provided with an insertion hole 22, the insertion hole 22 corresponds to the insertion rod 3, the insertion rod 3 is inserted into and extends to one side, which is far away from the knife arm 1, of the large ring 2, two side walls of the insertion hole 22 are provided with through holes 23, the clamping blocks 31 are penetrated into and slid in the through holes 23 and extend to one side, which is far away from the knife arm 1, of the large ring 2, the diameter of the insertion hole 22 is larger than the width of the through holes 23, so that the insertion rod 3 is not easy to shake after being inserted into the insertion hole 22; after the inserting rod 3 passes through the inserting hole 22, the inserting rod 3 is rotated by 90 degrees, and the clamping block 31 is abutted to the large ring 2, so that the knife arm 1 is not easy to separate from the large ring 2.

Referring to fig. 3, locking assembly 4 is installed to one side that the knife arm 1 was kept away from to the macroloop 2, and the quantity of locking assembly 4 is four, and four locking assembly 4 symmetries are installed in the both sides of joint piece 31 for joint piece 31 is difficult for rotating.

Referring to fig. 4 and 5, the locking assembly 4 includes a locking block 41, a locking lever 42, a supporting block 43, a guide cylinder 44, a stopper 45, and a compression spring 46.

Supporting shoe 43 fixed connection keeps away from one side of tool arm 1 in the big circle 2, and outside locking lever 42 wore to establish and slide on supporting shoe 43 and locking lever 42's both ends stretched out supporting shoe 43, locking lever 42 set up towards spliced eye 22, and locking block 41 fixed connection is close to the one end of joint piece 31 in locking lever 42, and four locking blocks 41 butt respectively on two joint pieces 31 for joint piece 31 is difficult for rotating.

The side of the locking block 41 far away from the clamping block 31 is provided with a guide surface 411, so that the width of the locking block 41 gradually increases from the end far away from the locking rod 42 to the end near the locking rod 42, and the clamping block 31 is guided to slide between the two locking blocks 41 along the guide surface 411.

Referring to fig. 1, the limiting block 45 is fixedly connected to one end of the locking rod 42 away from the locking block 41, and when the locking rod 42 approaches the insertion hole 22, the limiting block 45 abuts against one side of the supporting block 43 away from the insertion hole 22, so that the locking rod 42 is not easily separated from one side of the supporting block 43 close to the locking block 41.

The compression spring 46 is sleeved on the locking rod 42, one end of the compression spring 46 abuts against the supporting block 43, and the other end of the compression spring 46 abuts against the locking block 41, so as to drive the locking block 41 to slide towards the insertion hole 22.

The guide cylinder 44 is integrally installed at one side of the supporting block 43 close to the clamping block 31, the compression spring 46 and part of the locking block 41 are embedded in the guide cylinder 44, and the locking block 41 is guided to slide along the length direction of the guide cylinder 44.

Referring to fig. 6 and 7, the protective cover 24 is further mounted on the large ring 2, the protective cover 24 includes a surrounding plate 241 and a cover plate 242, the surrounding plate 241 is fixed on one side of the large ring 2 away from the knife arm 1, the cover plate 242 is mounted on the surrounding plate 241, the cover plate 242 and the surrounding plate 241 cooperate to form a gap 243, and the locking assembly 4 is embedded in the gap 243, so that the locking assembly 4 is not easily contaminated during the operation of the reamer.

Both side walls of the enclosing plate 241 are provided with sliding grooves 2411, the sliding grooves 2411 penetrate through one side of the side walls, and both ends of the cover plate 242 slide in the sliding grooves 2411 to cover the enclosing plate 241.

A groove 2412 is formed at the bottom of the sliding groove 2411, the groove 2412 is located at the position where the sliding groove 2411 is close to the position where the cover plate 242 is inserted into the sliding groove 2411, protrusions 2421 are fixed on two opposite side walls of the cover plate 242, the protrusions 2421 correspond to the groove 2412, and the protrusions 2421 are embedded in the groove 2412 to lock the cover plate 242.

A holding part 2422 is fixed on one side of the cover plate 242 away from the enclosing plate 241, and here, taking the holding part 2422 as a round ball as an example, a user can open and close the cover plate 242 conveniently by operating the holding part 2422.

The implementation principle of the reamer of the cutter suction dredger in the embodiment of the application is as follows: when tool arm 1 or bull ring 2 damaged, operation gripping member 2422 opens apron 242, grips stopper 45 for compression spring 46 contracts, rotates grafting pole 3, makes joint piece 31 rotate to the position that wear to establish hole 23 and correspond, passes joint piece 31 from wearing to establish in the hole 23, is about to separate tool arm 1 and bull ring 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a cutter suction dredger reamer, includes tool arm (1) and macroloop (2), its characterized in that: the utility model discloses a sword arm (1) is close to one end rotation of big circle (2) and is connected with spliced pole (3), be equipped with spliced eye (22) on big circle (2), spliced pole (3) are worn to locate in spliced eye (22) and extend one side that sword arm (1) was kept away from to big circle (2), one side that sword arm (1) was kept away from in spliced pole (3) is fixed with joint piece (31), be equipped with on big circle (2) and supply joint piece (31) to wear to establish and the wear to establish hole (23) that slide, wear to establish hole (23) and spliced eye (22) intercommunication each other, one side that sword arm (1) was kept away from in big circle (2) is kept away from in joint piece (31) butt.

2. A cutter-suction dredger reamer as defined in claim 1, wherein: one side of knife arm (1) is kept away from in macroloop (2) is equipped with and locks joint piece (31) in one side of macroloop (2) keep away from knife arm (1) locking subassembly (4).

3. A cutter-suction dredger reamer as defined in claim 2, wherein: the locking component (4) comprises a supporting block (43), a limiting block (45), a locking rod (42) and a locking block (41), the number of the supporting blocks (43), the number of the limiting blocks (45), the number of the locking rods (42) and the number of the locking blocks (41) are two, the two supporting blocks (43) are arranged on the same side of the inserting hole (22), the supporting block (43) is fixedly connected with one side of the large ring (2) far away from the knife arm (1), the locking rod (42) is arranged on the supporting block (43) in a penetrating way and faces the insertion hole (22), the locking block (41) is fixedly connected with one end of the locking rod (42) close to the clamping block (31), the limiting block (45) is fixed at one end of the locking rod (42) far away from the locking block (41), the limiting block (45) is abutted to one side, away from the inserting hole (22), of the supporting block (43), and the two locking blocks (41) are abutted to two opposite side walls of the clamping block (31) respectively.

4. A cutter-suction dredger reamer as defined in claim 3, wherein: the locking assembly (4) further comprises a compression spring (46), the compression spring (46) is sleeved on the locking rod (42), one end of the compression spring (46) abuts against the supporting block (43), and the other end of the compression spring (46) abuts against the locking block (41).

5. A cutter-suction dredger reamer as defined in claim 3, wherein: one side of the locking block (41) close to the plug hole (22) is provided with a guide surface (411), and the guide surface (411) is arranged on one side of the locking block (41) far away from the clamping block (31).

6. A cutter-suction dredger reamer as defined in claim 3, wherein: one side of the supporting block (43) close to the clamping block (31) is provided with a guide cylinder (44), and the locking block (41) is embedded in the guide cylinder (44).

7. A cutter-suction dredger reamer as defined in claim 2, wherein: still be equipped with protection casing (24) on big circle (2), protection casing (24) include apron (241) and cover apron (242) that close apron (241), apron (241) fixed connection is in big circle (2) one side of keeping away from tool arm (1), apron (241) are kept away from and are equipped with on the double-phase relative lateral wall of big circle (2) and slide groove (2411), slide groove (2411) run through one side of lateral wall, slide in slide groove (2411) at the both ends of apron (242), apron (242) cooperation apron (241) are formed with space (243), locking subassembly (4) are inlayed and are located in space (243).

8. A cutter-suction dredger reamer as defined in claim 7, wherein: the two opposite side walls of the cover plate (242) close to the sliding groove (2411) are fixedly provided with protrusions (2421), and the bottom of the sliding groove (2411) is provided with a groove (2412) for the protrusions (2421) to be embedded.

9. A cutter-suction dredger reamer as defined in claim 7, wherein: and a holding part (2422) is fixed on one side of the cover plate (242) far away from the enclosing plate (241).