CN206386123U - A kind of push-bench with integrated hobboing cutter - Google Patents
A kind of push-bench with integrated hobboing cutter Download PDFInfo
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- CN206386123U CN206386123U CN201720024518.8U CN201720024518U CN206386123U CN 206386123 U CN206386123 U CN 206386123U CN 201720024518 U CN201720024518 U CN 201720024518U CN 206386123 U CN206386123 U CN 206386123U
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- cutter
- cutter hub
- cutting
- hobboing
- ring
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Abstract
The utility model discloses a kind of push-bench with integrated hobboing cutter, including Cutting tool, cracking cabin and housing, in addition to multiple hobboing cutters, the hobboing cutter is arranged at the front of the Cutting tool；Roller is arranged in two bar shaped raceways.The hobboing cutter is not provided with single bearing, but coaxially constitute two bar shaped raceways side by side between cutter hub and cutter shaft, the roller is arranged in two bar shaped raceways, the roller belt moving knife body rotates around cutter shaft, so as to which bearing is integrated into cutter hub and cutter shaft, split part is reduced, and greatly reduces manufacture and assembly difficulty.
Description
Technical field
The utility model is related to construction equipment field, more particularly to a kind of push-bench with integrated hobboing cutter.
Background technology
Under the support of China economy rapid growth, the underground piping in city, storm sewer, blow-off line, power pipe,
The construction of common pipe trench is extensively using pipe-jacking technology, and push-bench increasingly tends to integrated, miniaturization.But existing top
The hobboing cutter that pipe machine is used, as shown in Figure 9, internally individually equipped with a pair of rolling bearings 61, to drive hobboing cutter cutter hub 62 around rolling
Knife cutter shaft 63 rotates；Two pairs of floating seals 66 are set also between Zuo Daogai 64, right knife lid 65 and hobboing cutter cutter hub 62, to prevent mud
Slurry corrosion rolling bearing 61.There is problems with the existing hobboing cutter：
1. requiring that machining accuracy is high, split part is more, and manufacture and assembly difficulty are big；
2. because rolling bearing 61 and hobboing cutter cutter hub 62 are two split parts, gap is larger both during assembling, therefore needs
Install the floating seal 66 that sealing property is fabulous but cost is higher additional to seal it, increase manufacturing cost；
3. the quality requirement of floating seal 66 is high, structure slightly flaw is all produced to its sealing and significantly affected, Er Qiefu
Dynamic sealing 66 can not accomplish to obturage not leaking to mud；
4. the starting torque of existing hobboing cutter is fixed, it can not be adjusted according to engineering geological condition, cause the axis of rolling
The carrying stress for holding each rolling element in 61 is inconsistent, and easy generation hobboing cutter cutter hub 62 is stuck and serious mill is caused to existing hobboing cutter
Damage.
Utility model content
The purpose of this utility model is to propose a kind of adjustable starting torque, and split part is few, good seal performance and close
Seal cost low, substantially reduce the push-bench with integrated hobboing cutter of manufacture difficulty.
For up to this purpose, the utility model uses following technical scheme：
A kind of push-bench with integrated hobboing cutter, including Cutting tool, cracking cabin and housing, the front end of the cracking cabin
Connected with the back side of Cutting tool, the end of the cracking cabin and the front end connection of housing；
Also include multiple hobboing cutters, the hobboing cutter is arranged at the front of the Cutting tool；
The hobboing cutter includes cutter shaft, cutter hub and cutter hub mounting flange, and the cutter hub is circular ring structure, the outside of the cutter hub
Provided with cutter ring；
The inner side of the cutter hub is from both ends to the middle symmetrically provided with rolling limiting stand terrace and the movable step surface of roller, institute
Bulge loop is installed in the middle part for stating cutter shaft provided with cutter hub, and the cutter hub is placed on the side wall that the cutter hub installs bulge loop, and the cutter hub is installed
Flange is installed on the two ends that the cutter hub installs bulge loop, and the rolling limiting stand terrace and cutter hub limit convex edge fit；
Also include composition bar shaped rolling between multiple rollers, the movable step surface of roller of the cutter hub mounting flange and cutter hub
Road, the roller is arranged in two bar shaped raceways；
Also include multiple balls, the cutter hub and cutter hub install bulge loop and be equipped with ball adjustable arc groove, two rollings
Pearl adjustable arc groove is relative, so as to constitute ball-track between the cutter hub and cutter shaft, the ball-track is arranged at two institutes
State between bar shaped raceway, the ball is arranged in the ball-track.
Preferably, the hobboing cutter also includes annular gland, hobboing cutter sealing ring and gland regulating bolt, the cutter hub Method for Installation
Blue side wall is sequentially provided with gland erecting bed terrace, sealing ring erecting bed terrace and cutter hub limit convex edge, and the annular gland leads to
Cross the gland regulating bolt and be fixed on gland erecting bed terrace, the hobboing cutter sealing ring is placed on the sealing ring erecting bed terrace
And be adjacent to the annular gland.
Preferably, the hobboing cutter sealing ring is O-ring seal.
Preferably, the hobboing cutter also includes multiple cutting reinforcement terminals, and the cutter ring is coaxially side by side provided with two cutting edges；
It is cylindrical alloy granule that terminal is strengthened in the cutting, and the cutting is strengthened terminal and is arranged on two cutting edges of cutter ring
And it is covered in point of a knife.
Preferably, the hobboing cutter also includes multiple cutting reinforcement terminals, and the cutter ring is coaxially side by side provided with two cutting edges；
It is triangle alloy granule that terminal is strengthened in the cutting, and the cutting is strengthened terminal and is arranged on two cutting edges of cutter ring
And cover whole blade face.
Preferably, the hobboing cutter also includes multiple cutting reinforcement terminals, and the cutter ring is tubular without cutting edge cutter ring；
It is spherical alloy grain that terminal is strengthened in the cutting, and multiple cuttings are strengthened terminal and are uniformly arranged on cutter ring.
The push-bench with integrated hobboing cutter is not provided with single bearing, but between the cutter hub and cutter shaft of hobboing cutter
Two bar shaped raceways are coaxially constituted side by side, the roller is arranged in two bar shaped raceways, the roller drives
Cutter hub is rotated around cutter shaft, so that bearing is integrated into cutter hub and cutter shaft, split part is reduced, and is greatly reduced manufacture and is assembled
Difficulty.Moreover, constituting ball-track between the cutter hub and cutter shaft, the ball is arranged in the ball-track, ball
Rolling action can eliminate the relative displacement between cutter hub and cutter shaft, further prevent cutter hub from being shifted when cutting mudstone, so that
Make the carrying stress of cutter hub everywhere consistent, it is to avoid stress concentration and cause cutter hub to wear and tear.
Brief description of the drawings
Accompanying drawing is described further to the utility model, but the content in accompanying drawing is not constituted to any limit of the present utility model
System.
Fig. 1 is the hard rock push-bench structural representation of one of embodiment of the invention；
Fig. 2 is the hob-cutter structure schematic diagram of one of embodiment of the invention；
Fig. 3 is the half-sectional sectional view of hobboing cutter of one of embodiment of the invention；
Fig. 4 is the half-sectional sectional view of cutter hub of one of embodiment of the invention；
Fig. 5 is the cutter shaft structure schematic diagram of one of embodiment of the invention；
Fig. 6 is the cutter hub mounting flange structural representation of one of embodiment of the invention；
Fig. 7 is the cutter ring structural representation of one of embodiment of the invention；
Fig. 8 is that terminal structure schematic diagram is strengthened in the cutting of one of embodiment of the invention；
Fig. 9 is the existing hob-cutter structure schematic diagram of one of embodiment of the invention.
Wherein：Cutting tool 1；Cracking cabin 2；Housing 3；Hobboing cutter 11；Cutter shaft 111；Cutter hub 112；Annular gland 115；Hobboing cutter
Sealing ring 116；Gland regulating bolt 117；Cutter hub mounting flange 119；Gland erecting bed terrace 12；Sealing ring erecting bed terrace
13；Cutter hub limit convex is along 14；Roll limiting stand terrace 16；Roller activity step surface 17；Cutter hub installs bulge loop 15；Roller 114；Rolling
Pearl 113；Ball adjustable arc groove 18；Rolling bearing 61；Hobboing cutter cutter hub 62；Hobboing cutter cutter shaft 63；Left knife lid 64；Right knife lid 65；It is floating
Dynamic sealing 66；Terminal 118 is strengthened in cutting；Cutter ring 112a.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
The push-bench with integrated hobboing cutter of the present embodiment, as shown in figure 1, including Cutting tool 1, cracking cabin 2 and shell
Body 3, the front end of the cracking cabin 2 and the back side connection of Cutting tool 1, the end of the cracking cabin 2 and the front end of housing 3 connect
Connect；
As shown in Fig. 2 also including multiple hobboing cutters 11, the hobboing cutter 11 is arranged at the front of the Cutting tool 1；
As shown in Figure 2 and Figure 3, the hobboing cutter 11 includes cutter shaft 111, cutter hub 112 and cutter hub mounting flange 119, the cutter hub
112 be circular ring structure, and the outside of the cutter hub 112 is provided with cutter ring 112a；
As shown in Figure 4, Figure 5, the inner side of the cutter hub 112 is from both ends to the middle symmetrically provided with rolling limiting stand terrace 16
With the movable step surface 17 of roller, bulge loop 15 is installed in the middle part of the cutter shaft 111 provided with cutter hub, and the cutter hub 112 is placed on the knife
Body installs the side wall of bulge loop 15, and the cutter hub mounting flange 119 is installed on the two ends that the cutter hub installs bulge loop 15, and described
Roll limiting stand terrace 16 and cutter hub limit convex fits along 14；
As shown in figure 3, also including multiple rollers 114, the roller traveling table of the cutter hub mounting flange 119 and cutter hub 112
Bar shaped raceway is constituted between terrace 17, the roller 114 is arranged in two bar shaped raceways；Also include multiple balls 113,
The cutter hub 112 and cutter hub install bulge loop 15 and are equipped with ball adjustable arc groove 18, as shown in figure 4, two ball activities
Deep-slotted chip breaker 18 is relative, so as to constitute ball-track between the cutter hub 112 and cutter shaft 111, the ball-track is arranged at two
Between the bar shaped raceway, the ball 113 is arranged in the ball-track.
The push-bench with integrated hobboing cutter is used in boulder bed carry out excavation operation, and the hard rock push-bench is set
It is placed in the front end of steel pipe joint and is driven by the power unit positioned at steel pipe joint rear and is tunneled to the inside of soil layer.The hobboing cutter 11 is set
The front of the Cutting tool 1 is placed in, for cutting the boulder bed in front of hard rock push-bench.
The hobboing cutter 11 is not provided with single bearing, but coaxially constitutes two side by side between cutter hub 112 and cutter shaft 111
Bar shaped raceway described in bar, the roller 114 is arranged in two bar shaped raceways, and the roller 114 drives cutter hub 112 around knife
Axle 111 is rotated, so that bearing is integrated into cutter hub 112 and cutter shaft 111, split part is reduced, and is greatly reduced manufacture and is filled
With difficulty.Moreover, constituting ball-track between the cutter hub 112 and cutter shaft 111, the ball 113 is arranged on the spherical rolling
In road, the rolling action of ball 113 can eliminate the relative displacement between cutter hub 112 and cutter shaft 111, further prevent cutter hub 112
Cutting mudstone when shift so that the carrying stress of cutter hub 112 everywhere is consistent, it is to avoid stress concentration and cause cutter hub 112
Abrasion.
Preferably, as shown in Fig. 3, Fig. 6, the hobboing cutter 11 also includes annular gland 115, hobboing cutter sealing ring 116 and gland
Regulating bolt 117, the side wall of the cutter hub mounting flange 119 is sequentially provided with gland erecting bed terrace 12, sealing ring installation step
Face 13 and cutter hub limit convex are along 14, and the annular gland 115 is fixed on gland installation step by the gland regulating bolt 117
Face 12, the hobboing cutter sealing ring 116 is placed on the sealing ring erecting bed terrace 13 and is adjacent to the annular gland 115.
The hobboing cutter 11 is provided with the cutter hub limit convex along the 14 cutter hub mounting flange 119, for by cutter hub
112 cutter hubs for being enclosed on cutter shaft 111 install bulge loop 15, and the rolling limiting stand terrace 16 and cutter hub limit convex fit along 14, right
Cutter hub 112 plays positioning action, prevents cutter hub 112 from being shifted when cutting mudstone.
Annular gland 115, the hobboing cutter sealing ring 116 and the annular pressure are additionally provided with the cutter hub mounting flange 119
Lid 115 is adjacent to, and is adjusted by the gland regulating bolt 117 between the hobboing cutter sealing ring 116 and the annular gland 115
Tightness, so as to can adjust the starting torque of the hobboing cutter 11, engineering geology is more hard, compresses the annular gland 115, carries
High starting torque, makes the carrying stress of each roller 114 consistent, it is to avoid the cutter hub 112 is stuck.
Preferably, the hobboing cutter sealing ring 116 is O-ring seal.Because roller 114 is arranged on cutter hub 112 and cutter shaft 111
Between be not easy to extraneous contact in the confined space that is formed, therefore also can be to roller 114 using common hobboing cutter sealing ring 116
Good sealing effectiveness is played, effectively prevents mud from penetrating into the bar shaped raceway, price may be selected in the hobboing cutter sealing ring 116
Cheap O-ring seals, are ensureing higher sealing simultaneously, greatly reduce sealing cost and difficulty is realized in sealing.
Preferably, as shown in Fig. 2 the hobboing cutter 11, which also includes multiple cuttings, strengthens terminal 118, the cutter ring 112a is coaxial
Side by side provided with two cutting edges；It is cylindrical alloy granule that terminal 118 is strengthened in the cutting, and the cutting is strengthened terminal 118 and set
In on cutter ring 112a two cutting edges and being covered in point of a knife.The cutter ring 112a is coaxially side by side provided with two cutting edges, increase rolling
The active area of knife 11 and stone, improves cutting force.Two cutting edges that terminal 118 is arranged at cutter ring 112a are strengthened in the cutting
On, the hardness of the cutter ring 112a is improved, prevents cutter ring 112a cutting edge from wearing and tearing.When soil property is softer, cylindrical alloy is used
Grain is simultaneously covered in point of a knife, in the hardness for improving the cutter ring 112a simultaneously, reduces production cost.
Preferably, as shown in fig. 7, the hobboing cutter 11, which also includes multiple cuttings, strengthens terminal 118, the cutter ring 112a is coaxial
Side by side provided with two cutting edges；It is triangle alloy granule that terminal 118 is strengthened in the cutting, and the cutting is strengthened terminal 118 and set
In on cutter ring 112a two cutting edges and covering whole blade face.The cutter ring 112a coaxially side by side provided with two cutting edges, increases
The active area of big hobboing cutter 11 and stone, improves cutting force.Two swords that terminal 118 is arranged at cutter ring 112a are strengthened in the cutting
On mouth, the hardness of the cutter ring 112a is improved, prevents cutter ring 112a cutting edge from wearing and tearing.When soil property is harder, closed using triangle
Goldc grains simultaneously covers whole blade face, increases the contact area that terminal 118 and stone are strengthened in the cutting, improves the cutter ring 112a
Cutting hardness.
Preferably, as shown in figure 8, the hobboing cutter 11, which also includes multiple cuttings, strengthens terminal 118, the cutter ring 112a is cylinder
Shape is without cutting edge cutter ring；It is spherical alloy grain that terminal 118 is strengthened in the cutting, and multiple cuttings are strengthened terminal 118 and uniformly arranged
In on cutter ring 112a.The cutter ring 112a is tubular without cutting edge cutter ring, it is adaptable to more soft soil property.In the knife of tubular
Enclose 112a and multiple spherical alloy grains are set, both improved the hardness of the cutter ring 112a, increase the cutting again and strengthen the He of terminal 118
The contact area of stone, improves the cutting hardness of the cutter ring 112a.
Technical principle of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the limitation to the utility model protection domain can not be construed in any way.Based on explanation herein,
Those skilled in the art, which would not require any inventive effort, can associate other embodiments of the present utility model,
These modes are fallen within protection domain of the present utility model.
Claims (6)
1. a kind of push-bench with integrated hobboing cutter, including Cutting tool, cracking cabin and housing, the front end of the cracking cabin and
The back side connection of Cutting tool, the end of the cracking cabin and the front end connection of housing, it is characterised in that：
Also include multiple hobboing cutters, the hobboing cutter is arranged at the front of the Cutting tool；
The hobboing cutter includes cutter shaft, cutter hub and cutter hub mounting flange, and the cutter hub is circular ring structure, and the outside of the cutter hub is provided with
Cutter ring；
The inner side of the cutter hub is from both ends to the middle symmetrically provided with rolling limiting stand terrace and the movable step surface of roller, the knife
Bulge loop is installed in the middle part of axle provided with cutter hub, and the cutter hub is placed on the side wall that the cutter hub installs bulge loop, the cutter hub mounting flange
The two ends that the cutter hub installs bulge loop are installed on, and the rolling limiting stand terrace and cutter hub limit convex edge fit；
Also include constituting bar shaped raceway, institute between multiple rollers, the movable step surface of roller of the cutter hub mounting flange and cutter hub
Roller is stated to be arranged in two bar shaped raceways；
Also include multiple balls, the cutter hub and cutter hub install bulge loop and be equipped with ball adjustable arc groove, and two balls are lived
Dynamic deep-slotted chip breaker is relative, so as to constitute ball-track between the cutter hub and cutter shaft, the ball-track is arranged at two bars
Between shape raceway, the ball is arranged in the ball-track.
2. the push-bench according to claim 1 with integrated hobboing cutter, it is characterised in that：The hobboing cutter also includes annular
Gland, hobboing cutter sealing ring and gland regulating bolt, the side wall of the cutter hub mounting flange is sequentially provided with gland erecting bed terrace, close
Seal erecting bed terrace and cutter hub limit convex edge, the annular gland are fixed on gland erecting bed by the gland regulating bolt
Terrace, the hobboing cutter sealing ring is placed on the sealing ring erecting bed terrace and is adjacent to the annular gland.
3. the push-bench according to claim 1 with integrated hobboing cutter, it is characterised in that：The hobboing cutter sealing ring is O
Type sealing ring.
4. the push-bench according to claim 1 with integrated hobboing cutter, it is characterised in that：The hobboing cutter also includes multiple
Terminal is strengthened in cutting, and the cutter ring is coaxially side by side provided with two cutting edges；
It is cylindrical alloy granule that terminal is strengthened in the cutting, and the cutting strengthens terminal and is arranged on two cutting edges of cutter ring and covers
It is placed on point of a knife.
5. the push-bench according to claim 1 with integrated hobboing cutter, it is characterised in that：The hobboing cutter also includes multiple
Terminal is strengthened in cutting, and the cutter ring is coaxially side by side provided with two cutting edges；
It is triangle alloy granule that terminal is strengthened in the cutting, and the cutting strengthens terminal and is arranged on two cutting edges of cutter ring and covers
Cover whole blade face.
6. the push-bench according to claim 1 with integrated hobboing cutter, it is characterised in that：The hobboing cutter also includes multiple
Terminal is strengthened in cutting, and the cutter ring is tubular without cutting edge cutter ring；
It is spherical alloy grain that terminal is strengthened in the cutting, and multiple cuttings are strengthened terminal and are uniformly arranged on cutter ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720024518.8U CN206386123U (en) | 2017-01-10 | 2017-01-10 | A kind of push-bench with integrated hobboing cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720024518.8U CN206386123U (en) | 2017-01-10 | 2017-01-10 | A kind of push-bench with integrated hobboing cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206386123U true CN206386123U (en) | 2017-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720024518.8U Active CN206386123U (en) | 2017-01-10 | 2017-01-10 | A kind of push-bench with integrated hobboing cutter |
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| Country | Link |
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| CN (1) | CN206386123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090278A (en) * | 2021-04-30 | 2021-07-09 | 天津立林钻头有限公司 | Novel composite hob and assembling method thereof |
-
2017
- 2017-01-10 CN CN201720024518.8U patent/CN206386123U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090278A (en) * | 2021-04-30 | 2021-07-09 | 天津立林钻头有限公司 | Novel composite hob and assembling method thereof |
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