CN112727485B - Disc hob installation structure and application thereof to rock pipe jacking machine - Google Patents
Disc hob installation structure and application thereof to rock pipe jacking machine Download PDFInfo
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- CN112727485B CN112727485B CN202110128397.2A CN202110128397A CN112727485B CN 112727485 B CN112727485 B CN 112727485B CN 202110128397 A CN202110128397 A CN 202110128397A CN 112727485 B CN112727485 B CN 112727485B
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- 239000011435 rock Substances 0.000 title claims abstract description 14
- 238000009434 installation Methods 0.000 title abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000003287 optical effect Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
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Abstract
The invention discloses a disc-shaped hob installation structure and application thereof on a rock pipe jacking machine, comprising a hob mechanism and a hob seat, wherein the hob mechanism comprises a disc-shaped hob, a hob shaft, an optical axis, an outer sawtooth key and an inner conical surface, the hob shaft is of a cylindrical structure, the disc-shaped hob is fixedly arranged on the hob shaft, the outer conical surfaces at two ends of the hob shaft are fixedly provided with the outer sawtooth key, the end surfaces at two ends of the hob shaft are provided with the inner conical surfaces, the part of the hob shaft, which is positioned on the disc-shaped hob and the outer sawtooth key, is the optical axis, the hob mechanism is erected in a containing groove of the hob seat through the hob shaft, and locking and fixing of the hob shaft on the hob seat are realized through an end cover.
Description
Technical Field
The invention belongs to the technical field of push bench, and particularly relates to a disc hob installation structure and application thereof to a rock push bench.
Background
The disc cutter is an excavating tool for crushing hard rocks and is arranged on a cutter head of large-scale trenchless construction equipment such as a shield, a jacking pipe and the like. The cutter head rotates in the excavation process, and the disc cutter arranged on the cutter head revolves along with the cutter head and rotates under the action of external force, so that the cutting edge of the cutter ring generates a rolling cutting effect on the surface of a rock, and the rock is broken.
In the prior art, an embedded hob installation mode is generally adopted for installing the disc hob, and only 1/3 of the surface of the hob is exposed after the hob is installed. This design has the following problems and disadvantages:
1. the embedded method generally adopts bolts to fix the cutter shaft of the hob, which makes the assembly and disassembly process complicated when the hob is installed;
2. because the cutter rotates and sets up on the blade disc, the staff need be extremely careful when dismantling and installing the hobbing cutter, prevents to rotate the cutter when dismantling the installation and cause the injury to operating personnel.
Disclosure of Invention
The invention aims to provide a disc hob installation structure and application thereof to a rock pipe jacking machine so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a disc cutter mounting structure comprises a cutter mechanism and a cutter holder, wherein the cutter mechanism comprises a disc cutter and a cutter shaft, the cutter shaft is of a cylindrical structure, the disc cutter is fixedly arranged on the cutter shaft, outer circumferential surfaces at two ends of the cutter shaft are fixedly provided with outer sawtooth keys, end surfaces at two ends of the cutter shaft are provided with inner conical surfaces, and the parts of the cutter shaft, which are positioned on the disc cutter and the outer sawtooth keys, are optical axes;
the hob seat comprises a vertical sliding block, a horizontal sliding block, an end cover and an outer shell, wherein the holding grooves are formed in two ends of the outer shell, the vertical sliding connection inside the holding grooves on two sides of the hob seat is provided with the vertical sliding block, the horizontal sliding connection inside the holding grooves on two sides of the hob seat is provided with the horizontal sliding block, the hob mechanism is erected in the holding grooves of the hob seat through the hob shaft, and the hob shaft is locked and fixed on the hob seat through the end cover.
As a still further scheme of the invention: the vertical slider is located the hob seat both ends, vertical slider includes semicircle orifice, lower spout and vertical slider spring down, the hob shaft both ends are erect respectively in the lower semicircle orifice of vertical slider, the lower spout with protruding looks adaptation is seted up to vertical both sides of vertical slider, vertical slider passes through the lower spout sliding connection of both sides in the arch of holding tank, the fixed vertical slider spring that is provided with in bottom surface of vertical slider, the bottom and the holding tank bottom surface of vertical slider spring offset.
As a still further scheme of the invention: the horizontal sliding block is positioned at two ends of the hob seat and comprises an outer conical surface, an inner sawtooth key, an outer spline and a horizontal sliding block spring, the outer conical surface is positioned at the middle position of the horizontal sliding block main body, the outer conical surface is in a conical structure and is matched with an inner conical surface of the end face of the hob shaft, the inner sawtooth key on the horizontal sliding block is matched with the outer sawtooth key on the outer conical surface at two ends of the hob shaft, the outer spline is arranged on the outer peripheral surface of the horizontal sliding block, the outer spline is matched with an upper inner spline on the end cover and a lower inner spline in the accommodating groove, the end face, far away from the disc hob, of the horizontal sliding block is fixedly provided with the horizontal sliding block spring, and the other end of the horizontal sliding block spring is abutted against the side face of the accommodating groove.
As a still further scheme of the invention: the end cover comprises an upper half round hole, an upper inner spline, an upper groove and upper screw holes, the end cover is located at two ends of the hob seat and fixedly arranged on the horizontal sliding block, the upper half round hole and a lower half round hole in the vertical sliding block are matched with each other to form a round hole, the upper inner spline is located behind the upper half round hole and is matched with the outer spline on the horizontal sliding block, the upper groove matched with the bulge is formed in the two longitudinal sides of the end cover, the end cover is connected in the bulge of the containing groove in a sliding mode through the upper grooves in the two sides, and the two longitudinal sides of the end cover are provided with the upper screw holes in the horizontal direction.
As a still further scheme of the invention: and the optical axes at the two ends of the hob shaft are rotationally connected in a circular hole formed by the upper semicircular hole of the end cover and the lower semicircular hole of the vertical sliding block.
As a still further scheme of the invention: the outer shell comprises a containing groove, a protrusion, a lower inner spline and a lower screw hole, the containing groove is located inside the outer shell, the containing groove contains a vertical sliding block, the protrusion is located on the outer wall of the left end and the right end of the containing groove, the protrusion is matched with the upper groove and the lower groove, the lower inner spline is located on the bottom surface of the containing groove, the lower inner spline is meshed with an outer spline on the horizontal sliding block, the lower screw hole is located on the surface of the outer shell body, and the lower screw hole is matched with the upper screw hole.
As a still further scheme of the invention: the disc cutter is a three-edge cutter.
As a still further scheme of the invention: the inside just is located the inboard of holding tank and is provided with the backup pad of shell.
As a still further scheme of the invention: the utility model provides an application of disc cutter mounting structure, assembles this disc cutter mounting structure on rock push bench, rock push bench includes main blade dish, driving motor, backup pad, screw conveyer and band conveyer, be equipped with on the main blade dish hobbing mechanism and hob seat, the main blade dish is located hob seat rear, driving motor is located main blade dish rear, driving motor, screw conveyer and band conveyer are fixed to the backup pad the screw conveyer is located main blade dish rear, band conveyer is located the screw conveyer rear.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the end surface of the hob shaft is provided with the inner conical surface which is matched with the outer conical surface on the horizontal sliding block, the horizontal sliding block can slide backwards, and when the hob is disassembled, the horizontal sliding block is pressed by a hand to slide backwards, so that the hob mechanism can be taken out, and the simplicity of assembly and disassembly is realized;
2. the disc cutter is integrated with the cutter shaft, the outer sawtooth keys are arranged on the surfaces of two ends of the cutter shaft and are matched with the inner sawtooth keys on the horizontal sliding blocks, when the disc cutter works, downward pressure is applied to the cutter shaft by the disc cutter, the vertical sliding blocks are pressed by the cutter shaft to move downwards, the outer sawtooth keys are separated from the inner sawtooth keys, the disc cutter rotates automatically, once the disc cutter stops being pressed, the springs of the vertical sliding blocks release elasticity, the vertical sliding blocks return to the original positions, the outer sawtooth keys are meshed with the inner sawtooth keys again, the disc cutter stops rotating in time, and injury to operators is avoided.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a front view of the present invention.
Fig. 2 is a schematic view of the hob structure of the present invention.
Fig. 3 is an exploded view of the roller seat of the present invention.
Fig. 4 is a schematic view of a vertical slider of the present invention.
FIG. 5 is a schematic view of the horizontal slider of the present invention.
Fig. 6 is a schematic view of an end cap of the present invention.
Fig. 7 is a schematic view of the housing of the present invention.
FIG. 8 is a general schematic view of the rock breaking push bench of the present invention.
In the figure: 1. a hob mechanism; 11. a disc cutter; 12. a roll shaft; 121. an optical axis; 122. an outer serration key; 123. an inner conical surface; 2. a hob seat; 21. a vertical slider; 211. a lower semicircular hole; 212. a lower chute; 213. a vertical slider spring; 22. a horizontal slider; 221. an outer conical surface; 222. an internal serration key; 223. an external spline; 224. a horizontal slider spring; 23. an end cap; 231. an upper semicircular hole; 232. an upper inner spline; 233. an upper groove; 234. an upper screw hole; 24. a housing; 241. a support plate; 242. accommodating a tank; 243. a protrusion; 244. a lower inner spline; 245. a lower screw hole; 31. a main cutter head; 32. a drive motor; 33. a support plate; 34. a screw conveyor; 35. a belt conveyor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in figure 1, the disc hob mounting structure comprises a hob mechanism 1 and a hob seat 2;
as shown in fig. 2, the hob mechanism 1 includes: a disc cutter 11 and a cutter shaft 12;
the disc cutter 11 is a three-blade cutter;
the hob shaft 12 penetrates through the center of the disc hob 11, the hob shaft 12 and the disc hob 11 are integrated, and the disc hob 11 is driven by the hob shaft 12 to rotate together;
the optical axis 121 is close to the disc cutter 11, and the disc cutter 11 mainly depends on the support of the optical axis 121 to realize rotation;
the outer sawtooth keys 122 are positioned at two end parts of the main body of the hob shaft 12, the tooth shape of the outer sawtooth keys 122 is triangular, when meshing is needed again, even if staggered teeth are meshed, the triangular teeth can be scratched along the inclined plane of the triangle to achieve correct meshing;
the inner conical surface 123 is positioned at the foremost end of the main body of the hob shaft 12, the surface of the inner conical surface 123 is smooth, and when downward pressure is applied, an object can be extruded through the conical surface;
as shown in fig. 3, the hob base 2 includes: a vertical slide block 21, a horizontal slide block 22, an end cover 23 and a shell 24;
as shown in fig. 4, the vertical sliding blocks 21 are located at two ends of the hob base 2, and include: a lower semicircular hole 211, a lower chute 212, a vertical slider spring 213;
the lower semicircular hole 211 is matched with the optical axis 121, and the optical axis 121 can stably rotate on the lower semicircular hole 211;
the lower sliding chute 212 is positioned on the side surface of the main body of the vertical sliding block 21, and when the vertical sliding block 21 is pressed downwards by the optical axis 121, the vertical sliding block 21 can slide through the lower sliding chute 212;
the number of the vertical slider springs 213 is two, the vertical slider springs 213 are uniformly arranged below the main body of the vertical slider 21 and have the same sliding direction as the vertical slider 21, when the vertical slider 21 is pressed to slide downwards, the vertical slider springs 213 are pressed, and when the vertical slider 21 is not pressed, the elastic potential energy stored in the vertical slider springs 213 is released, so that the vertical slider 21 slides upwards;
as shown in fig. 5, the horizontal slider 22 includes: the outer conical surface 221, the inner sawtooth key 222, the outer spline 223 and the horizontal slider spring 224;
the horizontal sliding blocks 22 are positioned at two ends of the hob seat 2;
the outer conical surface 221 is located in the middle of the main body of the horizontal slider 22 and corresponds to the inner conical surface 123 at one end of the roller shaft 12, when the roller shaft 12 is pressed to move downward, the inner conical surface 123 located on the roller shaft 12 extrudes the outer conical surface 221, and at this time, the outer conical surface 221 moves backward;
the inner sawtooth key 222 and the outer sawtooth key 122 are mutually matched, when the hob shaft 12 is not pressed by a cutting surface and automatically rebounds, the inner sawtooth key 222 and the outer sawtooth key 122 are matched again, and the inner sawtooth key 222 can prevent the hob shaft 12 from continuously rotating;
the external spline 223 is located on the periphery of the main body of the horizontal sliding block 22, and is used for providing a sliding track for the horizontal sliding block 22 and preventing the horizontal sliding block 22 from rotating, so as to achieve the effect of preventing the hob shaft 12 from continuously rotating;
the horizontal slider springs 224 are positioned at the rear part of the main body of the horizontal slider 22, the sliding direction of the horizontal slider springs 224 is consistent with that of the horizontal slider 22, four horizontal slider springs are uniformly distributed, and in order to ensure that when the roller shaft 12 ascends, the horizontal slider 22 can slide back to a preset matching position by virtue of the horizontal slider springs 224;
as shown in fig. 6, the end caps 23 are located at two ends of the hob base 2, and respectively cover the horizontal sliding blocks 22, and include: an upper half-round hole 231, an upper inner spline 232, an upper groove 233 and an upper screw hole 234;
the upper semicircular hole 231 and the lower semicircular hole 211 are matched with each other to form a circular hole for fixing the optical axis 121, so that the hob shaft 12 can only rotate;
the upper inner spline 232 is located behind the upper semicircular hole 231, and the upper inner spline 232 is matched with the outer spline 223 to provide a sliding track for the horizontal slider 22;
the upper grooves 233 are located on two sides of the main body of the end cover 23, and are used for accurately positioning the end cover 23, so that the upper semicircular hole 231 and the lower semicircular hole 211 are correctly matched;
the upper screw hole 234 is positioned above the upper groove 233, and a screw is arranged at the position to fix the end cover 23;
as shown in fig. 7, the housing 24 includes: the support plate 241, the receiving groove 242, the protrusion 243, the lower inner spline 244 and the lower screw hole 245;
the supporting plate 241 is integrated with the casing 24 and located inside the casing 24, and functions to block soil brought by cutting for the vertical sliding block 21, so that the mechanism can normally operate and is not clamped by the soil;
the accommodating groove 242 is located behind the supporting plate 241, and the accommodating groove 242 accommodates the vertical slider 21, so that the vertical slider 21 has enough space to move;
the protrusions 243 are positioned on the outer walls of the left end and the right end of the accommodating groove 242, and the protrusions 243 are matched with the upper groove 233 and the lower sliding groove 212 to provide sliding tracks for the vertical sliding block 21;
the lower inner spline 244 and the upper inner spline 232 are matched with each other to form a circular hole, and the lower inner spline 244 and the upper inner spline 232 are meshed with the outer spline 223 on the horizontal slider 22 together to provide a sliding track for the horizontal slider 22;
the lower screw holes 245 are provided in the main body surface of the housing 24, where the screws are positioned to interconnect the end cap 23 and the housing 24, and to fix the end cap 23.
Example 2:
as shown in fig. 8, a rock breaking push bench includes: a main cutter head 31, a driving motor 32, a supporting plate 33, a spiral conveyor 34 and a belt conveyor 35;
the hob mechanism 1 and the hob seat 2 in embodiment 1 are arranged on the main cutter disc 31, the main cutter disc 31 is located behind the cutting surface, and the main cutter disc 31 is used for bearing and installing a cutter assembly;
the driving motor 32 is located behind the main cutter disc 31 and provides rotating power for the main cutter disc 31;
the supporting plate 33 plays a role of supporting other components;
the spiral conveyor 34 is positioned behind the main cutter disc 31, and the spiral conveyor 34 conveys the obstacles cut by the main cutter disc 31;
the belt conveyor 35 is located behind the screw conveyor 34, and the belt conveyor 35 functions to carry out the obstacles carried out by the screw conveyor 34 out of the tunnel.
The working principle of the invention is as follows:
during installation: pressing the horizontal sliding block 22 by hand to slide backwards, matching the inner conical surface 123 on the hob mechanism 1 with the outer conical surface 221 on the horizontal sliding block 22, releasing the horizontal sliding block 22, abutting against the hob mechanism 1 by hand, matching the conical surface on the other side, finally buckling the end cover 23 on the shell 24, and screwing down and fixing by screws;
when in work: the disc cutter 11 is pressed downwards by the cutting surface, the pressure is transmitted to the cutter shaft 12, at this time, the cutter shaft 12 presses the vertical slider 21 downwards, so that the vertical slider spring 213 is compressed, and meanwhile, the inner conical surface 123 on the cutter shaft 12 presses the outer conical surface 221 on the horizontal slider 22, so that the horizontal slider 22 slides backwards, so that the horizontal slider spring 224 is compressed, and at this time, the hob mechanism 1 starts to work normally;
when the disassembly is carried out: when the hob mechanism 1 is far away from the cutting surface, downward pressure cannot be applied, so the vertical slider spring 213 is deformed again, the vertical slider 21 returns to the original position, the inner conical surface 123 does not extrude the outer conical surface 221 any more, the horizontal slider spring 224 is deformed again, the horizontal slider 22 returns to the original position, the inner sawtooth key 222 on the horizontal slider 22 is meshed with the outer sawtooth key 122 on the hob shaft 12, the hob mechanism 1 is prevented from continuously rotating, in case of dismantling, technicians can be injured, at this time, the screw on the end cover 23 is dismantled, the horizontal slider 22 is pressed by hand to slide backwards, and the hob mechanism 1 can be dismantled.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.
Claims (7)
1. A disk hobbing cutter mounting structure which characterized in that: the hob cutter mechanism (1) comprises a disc hob (11) and a hob shaft (12), the hob shaft (12) is of a cylindrical structure, the disc hob (11) is fixedly arranged on the hob shaft (12), outer sawtooth keys (122) are fixedly arranged on outer circumferential surfaces of two ends of the hob shaft (12), inner conical surfaces (123) are arranged on end surfaces of two ends of the hob shaft (12), and a part of the hob shaft (12) between the disc hob (11) and the outer sawtooth keys (122) is an optical axis (121);
the hob seat (2) comprises a vertical sliding block (21), a horizontal sliding block (22), an end cover (23) and an outer shell (24), wherein accommodating grooves (242) are formed in two ends of the outer shell (24), the vertical sliding block (21) is vertically and slidably connected inside the accommodating grooves (242) in two sides of the hob seat (2), the horizontal sliding block (22) is horizontally and slidably connected inside the accommodating grooves (242) in two sides of the hob seat (2), the hob mechanism (1) is erected in the accommodating grooves (242) of the hob seat (2) through a hob shaft (12), and the hob shaft (12) is locked and fixed on the hob seat (2) through the end cover (23);
the vertical sliding blocks (21) are located at two ends of the hob seat (2), each vertical sliding block (21) comprises a lower semicircular hole (211), a lower chute (212) and a vertical sliding block spring (213), two ends of the hob shaft (12) are erected in the lower semicircular holes (211) of the vertical sliding blocks (21) respectively, the lower chutes (212) matched with the protrusions (243) are formed in the two longitudinal sides of each vertical sliding block (21), the vertical sliding blocks (21) are connected in the protrusions (243) of the accommodating grooves (242) in a sliding mode through the lower chutes (212) on the two sides, the vertical sliding block springs (213) are fixedly arranged on the bottom surfaces of the vertical sliding blocks (21), and the bottom ends of the vertical sliding block springs (213) are abutted to the bottom surfaces of the accommodating grooves (242);
the horizontal sliding block (22) is located at two ends of the hob seat (2), the horizontal sliding block (22) comprises an outer conical surface (221), an inner sawtooth key (222), an outer spline (223) and a horizontal sliding block spring (224), the outer conical surface (221) is located in the middle of a main body of the horizontal sliding block (22), the outer conical surface (221) is in a conical structure and is matched with an inner conical surface (123) of the end surface of the hob shaft (12), the inner sawtooth key (222) on the horizontal sliding block (22) is matched with the outer sawtooth key (122) on the outer circumferential surface of the two ends of the hob shaft (12), an outer spline (223) is formed on the outer circumferential surface of the horizontal sliding block (22), the outer spline (223) is matched with an upper inner spline (232) on the end cover (23) and a lower inner spline (244) in the accommodating groove (242), the end surface, away from the disc hob (11) of the horizontal sliding block (22) is fixedly provided with the horizontal sliding block spring (224), and the other end of the horizontal sliding block spring (224) abuts against the side surface of the accommodating groove (242).
2. The disc cutter mounting structure as claimed in claim 1, wherein the end cover (23) comprises an upper half round hole (231), an upper inner spline (232), an upper groove (233) and upper screw holes (234), the end cover (23) is located at two ends of the cutter holder (2) and is fixedly arranged on the horizontal slider (22), the upper half round hole (231) and a lower half round hole (211) on the vertical slider (21) are matched with each other to form a round hole, the upper inner spline (232) is located behind the upper half round hole (231), the upper inner spline (232) is matched with the outer spline (223) on the horizontal slider (22), the upper grooves (233) matched with the protrusions (243) are formed at two longitudinal sides of the end cover (23), the end cover (23) is slidably connected in the protrusions (243) of the accommodating groove (242) through the upper grooves (233) at two sides, and a plurality of upper screw holes (234) are formed at two longitudinal sides of the end cover (23) in the horizontal direction.
3. A disc cutter mounting structure according to claim 2, characterized in that the optical axis (121) at both ends of the cutter shaft (12) is rotatably connected in the circular hole formed by the upper semicircular hole (231) of the end cover (23) and the lower semicircular hole (211) of the vertical slider (21).
4. A disc cutter mounting structure according to claim 3, wherein the housing (24) comprises a receiving groove (242), a protrusion (243), a lower inner spline (244) and a lower screw hole (245), the receiving groove (242) is located inside the housing (24), the receiving groove (242) receives the vertical slider (21), the protrusion (243) is located on the outer wall of the left and right ends of the receiving groove (242), the protrusion (243) is matched with the upper groove (233) and the lower groove (212), the lower inner spline (244) is located on the bottom surface of the receiving groove (242), the lower inner spline (244) is engaged with the outer spline (223) on the horizontal slider (22), the lower screw hole (245) is located on the main body surface of the housing (24), and the lower screw hole (245) is matched with the upper screw hole (234).
5. A disc cutter mounting structure according to claim 4, characterized in that the disc cutter (11) is a three-edged cutter.
6. A hob mounting structure according to claim 5, characterized in, that inside the housing (24) and inside the receiving groove (242) there is provided a first support plate (241).
7. The application of the disc cutter mounting structure according to claim 6, characterized in that, the disc cutter mounting structure is assembled on a rock pipe pushing jack, the rock pipe pushing jack comprises a main cutter head (31), a driving motor (32), a second supporting plate (33), a spiral conveyer (34) and a belt conveyer (35), the main cutter head (31) is provided with the hob mechanism (1) and the hob seat (2), the main cutter head (31) is positioned at the rear of the hob seat (2), the driving motor (32) is positioned at the rear of the main cutter head (31), the second supporting plate (33) is used for fixing the driving motor (32), the spiral conveyer (34) and the belt conveyer (35), the spiral conveyer (34) is positioned at the rear of the main cutter head (31), and the belt conveyer (35) is positioned at the rear of the spiral conveyer (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110128397.2A CN112727485B (en) | 2021-01-29 | 2021-01-29 | Disc hob installation structure and application thereof to rock pipe jacking machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110128397.2A CN112727485B (en) | 2021-01-29 | 2021-01-29 | Disc hob installation structure and application thereof to rock pipe jacking machine |
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| CN112727485A CN112727485A (en) | 2021-04-30 |
| CN112727485B true CN112727485B (en) | 2022-12-27 |
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| CN112682059A (en) * | 2021-01-30 | 2021-04-20 | 安徽唐兴机械装备有限公司 | Disc-shaped cutter head with semicircular stop blocks and push bench applying same |
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