CN113898340A - Full-nozzle cutting head and heading machine - Google Patents
Full-nozzle cutting head and heading machine Download PDFInfo
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- CN113898340A CN113898340A CN202111250845.2A CN202111250845A CN113898340A CN 113898340 A CN113898340 A CN 113898340A CN 202111250845 A CN202111250845 A CN 202111250845A CN 113898340 A CN113898340 A CN 113898340A
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- head body
- nozzle
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- full
- outer head
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- 238000001816 cooling Methods 0.000 claims abstract description 99
- 239000002826 coolant Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims description 15
- 239000003595 mist Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 9
- 239000000428 dust Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000036346 tooth eruption Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/187—Mining picks; Holders therefor with arrangement of fluid-spraying nozzles
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/19—Means for fixing picks or holders
- E21C35/191—Means for fixing picks or holders for fixing holders
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
-
- 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
-
- 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
- E21D9/1066—Making by using boring or cutting machines with fluid jets
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention provides a full-nozzle cutting head and a heading machine, and relates to the technical field of heading machines, wherein the full-nozzle cutting head comprises: an outer head body assembly; the inner spline sleeve is arranged in one end of the outer head body assembly, and a first cooling cavity is formed between the outer head body assembly and the inner spline sleeve; the inner head body is arranged in the other end of the outer head body assembly, a second cooling cavity is formed between the outer head body assembly and the inner head body, and the second cooling cavity is communicated with the first cooling cavity. This cutterhead can form an integral cooling chamber, compare in prior art can only form the scheme in cooling chamber at the front end of cutterhead head body, the full nozzle cutterhead of this application is through setting up integral cooling chamber, make every pick department of cutterhead can both design the coolant hole, thereby make the cooling chamber not only can provide coolant for the pick of cutterhead front end, can also provide coolant for the pick of cutterhead rear end, thereby the realization can both cool off to all picks on the cutterhead.
Description
Technical Field
The invention relates to the technical field of heading machines, in particular to a full-nozzle cutting head and a heading machine.
Background
At present, the products of the domestic heading machine are mainly used for heading coal rock, semi-coal rock and full-rock roadways, a water hole structure is designed at the front cutting tooth of a cutting head of the heading machine, the front cutting tooth can be cooled and dedusted for a working face, after further drilling, the rear cutting tooth does not have a nozzle structure, good cooling cannot be achieved during cutting, generated dust is large, and the used mist nozzle enables water to be atomized after being sprayed, so that the dust removal effect is better, but the cooling effect on the cutting tooth is not ideal.
Therefore, how to provide a new cutting head which can remove dust from the front part and the rear part of the cutting head, can cool picks at the rear part of the cutting head, and improve the cooling effect of the picks becomes a problem to be solved urgently at present.
Disclosure of Invention
The invention aims to provide a full-nozzle cutting head to solve the technical problems in the prior art or the related art.
It is therefore an object of the present invention to provide a full nozzle cutting head.
It is a further object of the present invention to provide a heading machine including the above full nozzle cutting head.
In order to achieve the above object, the technical solution of the present invention provides a full nozzle cutting head, comprising: an outer head body assembly; the inner spline sleeve is arranged in one end of the outer head body assembly, and a first cooling cavity is formed between the outer head body assembly and the inner spline sleeve; the inner head body is arranged in the other end of the outer head body assembly, a second cooling cavity is formed between the outer head body assembly and the inner head body, and the second cooling cavity is communicated with the first cooling cavity; the inner head body is connected with the inner spline sleeve at one end close to the inner spline sleeve, one end of the inner head body far away from the inner spline sleeve is connected with one end of the outer head body, and one end of the inner spline sleeve far away from the inner head body is connected with the other end of the outer head body.
According to the full-nozzle cutting head provided by the invention, the cutting head body comprises an outer head body assembly, an inner head body and an inner spline sleeve. The inner spline housing is mounted within one end of the outer head body assembly such that a first cooling cavity can be formed between the outer head body assembly and the inner spline housing. The inner head body is arranged in the other end of the outer head body assembly, so that a second cooling cavity can be formed between the outer head body assembly and the inner head body and can be communicated with the first cooling cavity. It can be understood that one end of the inner head body close to the inner spline housing and one end of the inner spline housing close to the inner head body are connected with each other, and a gap is formed between the part of the inner head body connected with the inner spline housing and the outer head body assembly, so that the formed gap enables the second cooling cavity to be communicated with the first cooling cavity. The full nozzle cutterhead just can form an integral cooling chamber like this, compares in prior art can only form the scheme in cooling chamber at the front end of cutterhead body, and the scheme that also exactly exists is that the cooling chamber is formed at the front end of cutterhead body through outer head body subassembly and internal spline cover. The utility model provides a full nozzle cutterhead is through setting up integral cooling chamber for every pick department of cutterhead can both design the coolant hole, thereby makes the cooling chamber not only can provide the coolant for the pick of cutterhead front end, can also provide the coolant for the pick of cutterhead rear end, thereby realizes that all picks can both cool off to the cutterhead, makes entry driving machine work reach best effect.
Furthermore, one end of the inner head body, which is close to the inner spline housing, is connected with the inner spline housing, one end of the inner head body, which is far away from the inner spline housing, is connected with one end of the outer head body, and one end of the inner spline housing, which is far away from the inner head body, is connected with the other end of the outer head body. This kind of setting, through the inside with interior head body and internal spline housing setting at the outer head body, and connect interior head body and internal spline housing at the both ends of outer head body, and interior head body also links together with internal spline housing, thereby the three has formed an integral water cavity in the inside of outer head body, thereby this integral water cavity can both communicate with the nozzle on the pick seat of outer head body front end and rear end, and then can both cool off the pick of front end and rear end, make entry driving machine work reach best effect.
Further, a gap is formed between the part where the inner head body and the inner spline sleeve are connected with each other and the outer head body assembly, and the second cooling cavity is communicated with the first cooling cavity through the gap.
In the technical scheme, a shaft mounting hole is formed in the inner spline sleeve, and a shaft avoiding channel is formed in the inner head body; the full-nozzle cutting head also comprises a cutting spindle, and one end of the cutting spindle is inserted into the shaft mounting hole through the shaft avoiding channel and is mounted in the shaft mounting hole.
In the technical scheme, a shaft mounting hole is formed in the inner spline sleeve, a shaft avoiding channel is formed in the inner head body, one end of the cutting spindle can penetrate through the avoiding channel to be inserted into the shaft mounting hole, and the one end of the cutting spindle is matched with the shaft mounting hole so as to drive the cutting head to rotate.
In the above technical solution, the outer head body assembly includes: an outer head body; the cutting pick seat is arranged outside the outer head body, and cutting picks are arranged on the cutting pick seat.
In this solution, the outer head assembly comprises an outer head and at least one pick box. The pick holder sets up the outside at the outer head body to be provided with the pick on the pick holder, the cutterhead just can drive the pick and carry out work at rotatory during operation like this.
In the technical scheme, the pick holder is provided with a first medium hole, the outer head body is provided with a second medium hole, one end of the second medium hole is communicated with the first cooling cavity and/or the second cooling cavity, and the other end of the second medium hole is communicated with the first medium hole.
In the technical scheme, a first medium hole is formed in the pick box, a second medium hole is formed in the outer head body, one end of the second medium hole is communicated with the first cooling cavity or the second cooling cavity, or one end of the second medium hole is communicated with the first cooling cavity and the second cooling cavity, under the condition that the first cooling cavity is communicated with the second cooling cavity, the second medium hole only needs to be communicated with one cooling cavity, and the other end of the second medium hole is communicated with the first medium hole. Therefore, the cooling medium in the cooling cavity can be led out through the first medium hole and the second medium hole to cool the cutting teeth on the outer head body.
In the above technical solution, the outer head body assembly further includes: at least one nozzle arranged on the pick box, the nozzle being in communication with the first media aperture; the material guide plate is arranged on the outer head body.
In this technical scheme, outer head body assembly still includes at least one nozzle and stock guide. The quantity of nozzle can set up according to actual conditions, and the nozzle setting is on the pick box to with the first medium hole intercommunication on the pick box, thereby can make the cooling medium of cooling chamber pass through the nozzle blowout, cool off the pick on the pick box, or carry out spray dust removal. The guide plate is spirally arranged outside the outer head body, so that produced waste can be guided when the cutting head body rotates to work, and the working effect can be optimal when the heading machine works.
Further, the full-nozzle cutting head also comprises at least one wear-resistant structure, and the at least one wear-resistant structure is arranged on the material guide plate.
In this solution, the full nozzle cutting head further comprises at least one wear structure. Wear-resisting structure sets up on the stock guide, can set up the surface at the stock guide to can play the guard action to the stock guide, can promote the life-span of stock guide like this, need not often to change the stock guide, and then reduce cost.
Further, the material of the nozzle may be one of stainless steel, brass, cast iron, or the like.
In the above technical solution, the nozzle is mounted in the first medium hole by a screw connection.
In this solution, the nozzle is mounted in the first medium hole by means of a screw connection. Therefore, when the nozzle is damaged or needs to be mounted and dismounted, the nozzle is convenient to replace, dismount and mount.
Further, the nozzle includes column nozzle and vaporific nozzle, and column nozzle can spout the column rivers, and vaporific nozzle can spout vaporific rivers.
In this technical scheme, the nozzle includes column nozzle and vaporific nozzle, and column rivers can be erupted to the column nozzle, and vaporific nozzle can erupt vaporific rivers. Therefore, in the working process, the columnar nozzle can be arranged at the cutting tooth at the front part of the cutting head, the cooling of the main working cutting tooth is enhanced, the mist nozzle is adopted at the rear part to improve the dust fall capacity of the whole cutting head, and the best effect of the heading machine is achieved. The specific arrangement of the columnar nozzle and the mist nozzle may be set according to actual needs, and is not limited herein.
Further, the wear resistant structure comprises a wear resistant layer and/or a wear resistant block.
In the technical scheme, the outer head body, the inner head body and the inner spline housing are all connected in a welding mode.
In the technical scheme, the outer head body, the inner head body and the inner spline sleeve are connected together in a welding mode, and the welding has the advantages of good connection performance, high structural rigidity, good integrity, good sealing performance and the like.
In the technical scheme, the pick holder and the outer head body are of an integrated structure or a split structure. The stability of integral type structure is strong, and split type structure can be convenient for change the pick box.
Further, the pick holder is welded to the outer head body.
Further, the pick box is bonded to the outer head body.
Further, the pick box is fixed to the outer head body by bolts.
In the technical scheme, a countersunk hole for mounting a bolt is further formed in one end, away from the inner head body, of the inner spline housing, and the bolt penetrates through the countersunk hole to connect and lock the inner spline housing and the cutting spindle.
In the technical scheme, a countersunk hole is further formed in one end, away from the inner head body, of the inner spline housing, the bolt can penetrate through the countersunk hole to connect and lock the inner spline housing and the cutting spindle, and connection between the spindle and the inner spline housing is more stable and safe.
In the technical scheme, a first channel for leading in the cooling medium is arranged in the cutting spindle, and the first channel can be communicated with the flow guide channel to lead the cooling medium into the flow guide channel.
In the technical scheme, the inner spline sleeve is provided with the flow guide channel communicated with the first cooling cavity and/or the second cooling cavity, and the cooling medium can enter the first cooling cavity and/or the second cooling cavity through the flow guide channel.
In the technical scheme, a flow guide channel is arranged on the inner spline sleeve. The guide passage can be communicated with the first cooling cavity and the second cooling cavity, so that the cooling medium led in from the first passage can be led into the cooling cavity through the guide passage. Of course, when the first cooling cavity is communicated with the second cooling cavity, the flow guide channel only needs to be communicated with one of the cooling cavities.
The technical scheme of the second aspect of the invention provides a heading machine which comprises the full-nozzle cutting head of any one of the technical schemes of the first aspect.
According to the heading machine provided by the invention, the heading machine comprises the full-nozzle cutting head provided by any one of the technical schemes in the first aspect. Therefore, the heading machine provided by the invention has all the beneficial effects of the full-nozzle cutting head provided by any technical scheme of the first aspect, and details are not repeated herein.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
figure 1 is a schematic structural view of a full nozzle cutting head provided by an embodiment of the present invention;
FIG. 2 is a schematic structural view of an internal spline housing of a full nozzle cutting head provided by an embodiment of the invention;
FIG. 3 is a schematic structural diagram of an inner head body of a full nozzle cutting head according to an embodiment of the present invention;
FIG. 4 is another schematic structural view of the inner head body of the full nozzle cutting head according to the embodiment of the present invention;
figure 5 is another schematic structural view of a full nozzle cutting head provided by an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an outer head body of a full nozzle cutting head according to an embodiment of the present invention;
figure 7 is a schematic structural view of a full nozzle cutter head pick box provided by an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a guide plate of a full-nozzle cutting head according to an embodiment of the invention;
FIG. 9 is a schematic structural view of a full nozzle cutter head wear block provided by an embodiment of the present invention;
figure 10 is a schematic structural view of a full nozzle cutting head cylindrical nozzle provided by an embodiment of the invention;
figure 11 is another schematic structural diagram of a full nozzle cutting head cylindrical nozzle provided by an embodiment of the invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 11 is:
the cooling device comprises an outer head body assembly 1, an outer head body 12, a second medium hole 122, a pick holder 14, a first medium hole 142, a pick 144, a cylindrical nozzle 16, a material guide plate 18, an inner head body 2, an inner spline sleeve 3, a flow guide channel 32, a countersunk hole 34, a wear-resistant block 4, a first cooling cavity 5 and a second cooling cavity 6.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A full nozzle cutting head provided according to an embodiment of the present invention is described below with reference to fig. 1 to 11.
As shown in fig. 1 to 5, the embodiment of the present invention provides a full-nozzle cutting head, which comprises an outer head body assembly 1, an inner spline housing 3 and an inner head body 2. The inner spline housing 3 is installed in one end of the outer head body assembly 1, and a first cooling cavity 5 is formed between the outer head body assembly 1 and the inner spline housing 3. The inner head body 2 is arranged in the other end of the outer head body assembly 1, a second cooling cavity 6 is formed between the outer head body assembly 1 and the inner head body 2, and the second cooling cavity 6 is communicated with the first cooling cavity 5. Wherein, the one end that the internal head body 2 is close to the internal spline housing 3 is connected with the internal spline housing 3, and the one end that the internal head body 2 keeps away from the internal spline housing 3 is connected with the one end of the outer head body 12, and the one end that the internal spline housing 3 keeps away from the internal head body 2 is connected with the other end of the outer head body 12. A gap is formed between the part of the inner head body 2, which is connected with the inner spline housing 3, and the outer head body assembly 1, and the gap enables the second cooling cavity 6 to be communicated with the first cooling cavity 5.
According to the full-nozzle cutting head provided by the invention, the cutting head body comprises an outer head body assembly 1, an inner head body 2 and an inner spline housing 3. The internally splined sleeve 3 is mounted within one end of the outer head body assembly 1 such that a first cooling chamber 5 can be formed between the outer head body assembly 1 and the internally splined sleeve 3. The inner head body 2 is arranged in the other end of the outer head body assembly 1, so that a second cooling cavity 6 can be formed between the outer head body assembly 1 and the inner head body 2, and the second cooling cavity 6 can be communicated with the first cooling cavity 5. Thus, the full-nozzle cutting head can form an integral cooling cavity, and compared with the scheme that the cooling cavity can only be formed at the front end of the cutting head body in the prior art, namely the cooling cavity is formed at the front end of the cutting head body through the outer head body assembly 1 and the inner spline housing 3 in the prior art. The full nozzle cutterhead of this application is through setting up integral cooling chamber for every pick 144 department of cutterhead can both design the coolant hole, thereby make the cooling chamber not only can provide the coolant for the pick 144 of cutterhead front end, can also provide the coolant for the pick 144 of cutterhead rear end, thereby the realization can both cool off to all picks 144 on the cutterhead, make entry driving machine work reach best effect.
Further, one end of the inner head body 2 close to the inner spline housing 3 is connected with the inner spline housing 3, one end of the inner head body 2 far away from the inner spline housing 3 is connected with one end of the outer head body 12, and one end of the inner spline housing 3 far away from the inner head body 2 is connected with the other end of the outer head body 12. This kind of setting, through setting up the inside at outer head body 12 with inner head body 2 and internal spline housing 3, and connect inner head body 2 and internal spline housing 3 at the both ends of outer head body 12, and inner head body 2 also links together with internal spline housing 3, thereby the three has formed an integral water cavity in the inside of outer head body 12, thereby this integral water cavity and the outer head body 12 front end and the nozzle on the pick seat 14 of rear end can both communicate, and then can both cool off the pick 144 of front end and rear end, make entry driving machine work reach the best effect.
In the above embodiment, as shown in fig. 2, the inner spline housing 3 is provided with a shaft mounting hole therein, and the inner head body 2 is provided with a shaft avoiding channel therein; the full-nozzle cutting head also comprises a cutting spindle, and one end of the cutting spindle is inserted into the shaft mounting hole through the shaft avoiding channel and is mounted in the shaft mounting hole.
In this embodiment, a shaft mounting hole is provided in the inner spline housing 3, a shaft avoiding channel is provided in the inner head body 2, and one end of the cutting spindle can be inserted into and mounted in the shaft mounting hole through the avoiding channel, so that one end of the cutting spindle is matched with the shaft mounting hole, thereby driving the cutting head to rotate.
In the above embodiment, as shown in fig. 5, the outer head body assembly 1 includes: an outer head body 12; at least one pick box 14, at least one pick box 14 is disposed outside the outer head 12, and picks 144 are disposed on the pick box 14.
In this embodiment, the outer head assembly 1 includes an outer head 12 and at least one pick box 14. The pick holder 14 is disposed outside the outer body 12, and the pick holder 14 is provided with a pick 144, so that the cutting head can drive the pick 144 to work when rotating.
In the above embodiment, as shown in fig. 6 and 7, the pick box 14 is provided with the first medium hole 142, the outer head 12 is provided with the second medium hole 122, one end of the second medium hole 122 communicates with the first cooling chamber 5 and/or the second cooling chamber 6, and the other end of the second medium hole 122 communicates with the first medium hole 142.
In this embodiment, the pick box 14 is provided with a first medium hole 142, the outer head body 12 is provided with a second medium hole 122, one end of the second medium hole 122 is communicated with the first cooling chamber 5 or the second cooling chamber 6, or one end of the second medium hole 122 is communicated with both the first cooling chamber 5 and the second cooling chamber 6, and when the first cooling chamber 5 and the second cooling chamber 6 are communicated, the second medium hole 122 only needs to be communicated with one cooling chamber, and the other end of the second medium hole 122 is communicated with the first medium hole 142. Therefore, the cooling medium in the cooling cavity can be led out through the first medium hole 142 and the second medium hole 122 to cool the cutting teeth 144 on the outer head body 12.
In the above embodiment, as shown in fig. 8, the outer head body assembly 1 further includes: at least one nozzle provided on the pick box 14, the nozzle communicating with the first medium hole 142; a material guide plate 18 arranged on the outer head body 12.
In this embodiment, the outer head assembly 1 further comprises at least one nozzle and a guide plate 18. The number of the nozzles can be set according to actual conditions, and the nozzles are arranged on the pick box 14 and are communicated with the first medium holes 142 on the pick box 14, so that the cooling medium in the cooling cavity can be sprayed out through the nozzles to cool picks 144 on the pick box 14 or perform spray dust removal. The guide plate 18 is spirally arranged outside the outer head body 12, so that generated waste can be guided when the cutting head body rotates to work, and the working effect can be optimal when the heading machine works.
Further, the full-nozzle cutting head further comprises at least one wear-resistant structure, and the at least one wear-resistant structure is arranged on the material guide plate 18.
In this embodiment, the full nozzle cutter head further comprises at least one wear resistant structure. The wear-resistant structure is arranged on the material guide plate 18 and can be arranged on the surface of the material guide plate 18, so that the material guide plate 18 can be protected, the service life of the material guide plate 18 can be prolonged, the material guide plate 18 does not need to be frequently replaced, and the cost is reduced.
Further, the material of the nozzle may be one of stainless steel, brass, cast iron, or the like.
In the above embodiment, the nozzle is installed into the first medium hole 142 by a screw connection.
In this embodiment, the nozzle is mounted into the first media aperture 142 by a threaded connection. Therefore, when the nozzle is damaged or needs to be mounted and dismounted, the nozzle is convenient to replace, dismount and mount.
Further, as shown in fig. 10 and 11 (in which the mist nozzle is not shown), the nozzle includes a columnar nozzle 16 and a mist nozzle, the columnar nozzle 16 is capable of jetting a columnar water flow, and the mist nozzle is capable of jetting a mist water flow.
In this embodiment, the nozzles include a columnar nozzle 16 and a mist nozzle, and the columnar nozzle 16 is capable of jetting a columnar water flow and the mist nozzle is capable of jetting a mist water flow. Therefore, in the working process, the columnar nozzle 16 can be arranged at the cutting pick 144 at the front part of the cutting head, the cooling of the main working cutting pick 144 is enhanced, and the mist nozzle is adopted at the rear part to improve the dust fall capacity of the whole cutting head, so that the best effect of the heading machine is achieved. The specific arrangement of the columnar nozzle 16 and the mist nozzle may be set according to actual needs, and is not limited herein.
Further, as shown in fig. 9 (where the wear resistant layer is not shown), the wear resistant structure comprises a wear resistant layer and/or a wear resistant block 4.
In one embodiment, the wear-resistant blocks 4 are arranged on the guide plate 18 at intervals, and the wear-resistant blocks 4 protrude from the surface of the guide plate 18.
In the above embodiments, the connection modes between the outer head body 12, the inner head body 2 and the inner spline housing 3 are all welding.
In this embodiment, the outer head body 12, the inner head body 2 and the inner spline housing 3 are connected together by welding, and the welding has the advantages of good connection performance, high structural rigidity, good integrity, good sealing performance and the like.
In the above embodiment, the pick box 14 and the outer head 12 are of a one-piece or split structure. The stability of integral type structure is strong, and split type structure can be convenient for change pick box 14.
Further, the pick box 14 is welded to the outer head body 12.
Further, the pick box 14 is bonded to the outer head body 12.
Further, the pick box 14 is fixed to the outer head body 12 by bolts.
In the above embodiment, the end of the internal spline housing 3 away from the inner head body 2 is further provided with a countersunk hole 34 for mounting a bolt, and the bolt passes through the countersunk hole 34 to connect and lock the internal spline housing 3 with the cutting spindle.
In this embodiment, as shown in fig. 2, a countersunk hole 34 is further formed in one end of the inner spline housing 3 away from the inner head body 2, and a bolt can pass through the countersunk hole 34 to connect and lock the inner spline housing 3 and the cutting spindle, so as to ensure that the connection between the spindle and the inner spline housing 3 is more stable and safe.
In the above-described embodiment, the cutting spindle is provided with a first channel for introducing the cooling medium, and the first channel can communicate with the flow guide channel 32 to introduce the cooling medium into the flow guide channel 32.
In the above embodiment, as shown in fig. 2, the internal spline housing 3 is provided with the flow guide passage 32 communicated with the first cooling chamber 5 and/or the second cooling chamber 6, and the cooling medium can enter the first cooling chamber 5 and/or the second cooling chamber 6 through the flow guide passage 32.
In this embodiment, the inner spline housing 3 is provided with a flow guide passage 32. The guide passage 32 can communicate with the first cooling chamber 5 and the second cooling chamber 6, so that the cooling medium introduced from the first passage can be introduced into the cooling chambers through the guide passage 32. Of course, when the first cooling chamber 5 is communicated with the second cooling chamber 6, the flow guide channel 32 only needs to be communicated with one of the cooling chambers.
Embodiments of the second aspect of the invention provide a heading machine comprising a full nozzle cutting head according to any of the embodiments of the first aspect.
According to the invention there is provided a heading machine comprising a full nozzle cutting head as provided in any embodiment of the first aspect. Therefore, the heading machine provided by the invention has all the beneficial effects of the full-nozzle cutting head provided by any embodiment of the first aspect, and the description is omitted here.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A full nozzle cutting head, comprising:
an outer head body assembly;
the inner spline sleeve is installed in one end of the outer head body assembly, and a first cooling cavity is formed between the outer head body assembly and the inner spline sleeve;
the inner head body is arranged in the other end of the outer head body assembly, a second cooling cavity is formed between the outer head body assembly and the inner head body, and the second cooling cavity is communicated with the first cooling cavity;
the inner head body is connected with the inner spline sleeve at one end close to the inner spline sleeve, the inner head body is connected with the outer head body at one end far away from the inner spline sleeve, and the inner spline sleeve is connected with the outer head body at one end far away from the inner head body.
2. Full nozzle cutting head according to claim 1,
a shaft mounting hole is formed in the inner spline sleeve, and a shaft avoiding channel is formed in the inner head body;
the full-nozzle cutting head further comprises a cutting spindle, and one end of the cutting spindle is inserted into the shaft mounting hole through the shaft avoiding channel and is mounted in the shaft mounting hole.
3. The full nozzle cutter head of claim 2, wherein the outer head body assembly comprises:
an outer head body;
the cutting pick seat is arranged outside the outer head body, and cutting picks are arranged on the cutting pick seat.
4. Full nozzle cutting head according to claim 3,
the pick box is provided with a first medium hole, the outer head body is provided with a second medium hole, one end of the second medium hole is communicated with the first cooling cavity and/or the second cooling cavity, and the other end of the second medium hole is communicated with the first medium hole.
5. The full nozzle cutter head of claim 4, wherein the outer head body assembly further comprises:
at least one nozzle disposed on the pick box, the nozzle in communication with the first media aperture;
and the material guide plate is arranged on the outer head body.
6. The full nozzle cutter head of claim 5, further comprising:
at least one wear-resisting structure, at least one wear-resisting structure sets up on the stock guide.
7. Full nozzle cutting head according to claim 6,
the nozzle is mounted in the first medium hole through a threaded connection; and/or
The nozzle comprises a columnar nozzle and a mist nozzle, the columnar nozzle can spray columnar water flow, and the mist nozzle can spray mist water flow; and/or
The wear-resistant structure comprises a wear-resistant layer and/or a wear-resistant block.
8. Full nozzle cutting head according to claim 7,
the outer head body, the inner head body and the inner spline housing are all connected in a welding mode;
the pick box is welded to the outer head body, and/or
The pick holder is bonded to the outer head body, and/or
The pick holder is fixed on the outer head body through a bolt.
9. Full nozzle cutting head according to claim 2,
and a countersunk hole for mounting a bolt is further formed in one end, far away from the inner head body, of the inner spline housing, and the bolt penetrates through the countersunk hole to connect and lock the inner spline housing and the cutting spindle.
10. Full nozzle cutting head according to claim 1,
and a flow guide channel communicated with the first cooling cavity and/or the second cooling cavity is arranged on the inner spline sleeve, and a cooling medium can enter the first cooling cavity and/or the second cooling cavity through the flow guide channel.
11. A heading machine, comprising: the full nozzle cutting head of any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250845.2A CN113898340A (en) | 2021-10-26 | 2021-10-26 | Full-nozzle cutting head and heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250845.2A CN113898340A (en) | 2021-10-26 | 2021-10-26 | Full-nozzle cutting head and heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113898340A true CN113898340A (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111250845.2A Pending CN113898340A (en) | 2021-10-26 | 2021-10-26 | Full-nozzle cutting head and heading machine |
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| CN (1) | CN113898340A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023071071A1 (en) * | 2021-10-26 | 2023-05-04 | 三一重型装备有限公司 | Full-nozzle cutting head and heading machine |
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2021
- 2021-10-26 CN CN202111250845.2A patent/CN113898340A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023071071A1 (en) * | 2021-10-26 | 2023-05-04 | 三一重型装备有限公司 | Full-nozzle cutting head and heading machine |
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