CN114575871A - Cutting head and engineering equipment - Google Patents
Cutting head and engineering equipment Download PDFInfo
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- CN114575871A CN114575871A CN202210477749.XA CN202210477749A CN114575871A CN 114575871 A CN114575871 A CN 114575871A CN 202210477749 A CN202210477749 A CN 202210477749A CN 114575871 A CN114575871 A CN 114575871A
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- 239000011435 rock Substances 0.000 claims abstract description 167
- 239000000463 material Substances 0.000 claims abstract description 147
- 230000000712 assembly Effects 0.000 claims description 16
- 238000000429 assembly Methods 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 6
- 230000036346 tooth eruption Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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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
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
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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
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/10—Rods; Drums
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- General Life Sciences & Earth Sciences (AREA)
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- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a cutting head and engineering equipment, relates to the technical field of cutting heads, and comprises the following components: breaking a rock section; the front end of the rock stripping section is fixedly connected with the rock breaking section; the material guiding section is fixedly connected with the rear end of the rock stripping section; wherein, be provided with spherical boss structure on the broken rock section, the cross-sectional area of peeling off the rock section reduces from the rear end to the front end gradually. According to the cutting head provided by the invention, the spherical boss structure is arranged at the working end of the rock breaking section, so that the structural strength of the rock breaking section can be increased, the rock breaking capacity of the cutting head is better, and the installation area of the pick holder on the rock breaking section can be increased while the spherical boss structure is additionally arranged, so that the installation number of the pick holder on the rock breaking section is increased, and the rock breaking capacity is improved. The cross-sectional area of the rock stripping section is gradually reduced from the rear end to the front end, so that the rock stripping section forms a conical structure with a small front end and a large rear end, cutting teeth on the rock stripping section can cut simultaneously by the aid of the conical structure, and the rock stripping crushing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of cutting heads, in particular to a cutting head and engineering equipment.
Background
The cutting head is used as an important part of the heading machine, and from the date of successful development of a standard structure to the present, a design scheme suitable for complex working conditions is not available temporarily, the cutting performance of the heading machine cannot be really realized by 100 percent, the cutting efficiency of the cutting head in the prior art is low, the material guiding performance is poor, the cutting head is locked by mud when cutting easily occurs, a pick holder of the cutting head is easy to wear, and a material guiding plate is easy to fall off.
Therefore, how to provide a cutting head capable of improving cutting efficiency, enhancing material guiding performance and preventing the pick box from being worn has become a problem to be solved at present.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
It is therefore an object of the present invention to provide a cutting head.
A second object of the present invention is to provide an engineering apparatus.
In order to achieve the above object, the invention provides a cutting head according to a first aspect of the invention, comprising: breaking a rock section; the front end of the rock stripping section is fixedly connected with the rock breaking section; the material guiding section is fixedly connected with the rear end of the rock stripping section; the rock breaking section is provided with a spherical boss structure, the spherical boss structure is coated on the rock breaking section, and the cross-sectional area of the rock stripping section is gradually reduced from the rear end to the front end.
The cutting head provided by the invention comprises a rock breaking section, a rock stripping section and a material guiding section. The front end of the rock stripping section is fixedly connected with the rock breaking section, and the rear end of the rock stripping section is fixedly connected with the material guiding section, so that the main body part of the cutting head is formed by the rock breaking section, the rock stripping section and the material guiding section which are connected in sequence. Be provided with spherical boss structure on the work end of broken rock section, spherical boss structure cladding is on broken rock section, wrap up whole broken rock section in spherical boss structure, the thickness and the exterior surface area of broken rock section have been increased, thereby can be through setting up the structural strength of spherical structure increase broken rock section, make the broken rock ability of cutterhead better, and when spherical structure has been add, also can increase the installation area of pick subassembly on the broken rock section, thereby the installation quantity of pick subassembly on broken rock section has been increased, broken rock ability has been improved. The arrangement of the cutting pick assembly on the rock breaking section is similar to a spherical surface, or the cutting pick assembly is of a standard spherical structure, and the impact resistance of the rock breaking section can be improved by adopting the arrangement of the spherical structure. The cross-sectional area of the rock stripping section is gradually reduced from the rear end to the front end, so that the rock stripping section forms a conical structure with a small front end and a large rear end, and when the cutting head works, the cutting head works from front to back, so that cutting teeth on the rock stripping section can be cut simultaneously by the aid of the conical structure, and the rock stripping crushing efficiency is improved.
In addition, the cutting head provided by the application can also have the following additional technical characteristics:
in the above technical solution, the cutting head further includes: and the material guide assembly is arranged on the outer surfaces of the rock stripping section and the material guide section and used for guiding materials cut by the cutting head.
In the technical scheme, the cutting head also comprises a material guiding assembly. The guide assembly is arranged on the outer surfaces of the rock stripping section and the guide section and can guide materials cut by the cutting head. This kind of setting through set up the guide subassembly on shelling section and guide section, can lead the waste material that the cutterhead cut got off to the back to in clear up the waste material and discharge in unison.
In the above technical scheme, the guide assembly includes: the material guide boss is spirally wound on the outer surfaces of the rock peeling section and the material guide section, the section of the material guide boss wound on the rock peeling section is trapezoidal, and the section of the material guide boss wound on the material guide section is rectangular; and the plurality of material guide plates are arranged on the material guide bosses and extend in the direction far away from the material guide bosses.
In the technical scheme, the material guiding assembly comprises a material guiding boss and a plurality of material guiding plates. The guide bosses are spirally wound on the outer surfaces of the rock stripping section and the guide section, and meanwhile, guide grooves are formed between the guide bosses which are spirally arranged, so that waste materials can be guided out through the guide grooves when the cutting head operates, and the whole guide efficiency of the cutting head is improved. The section of the material guide boss wound on the rock stripping section is trapezoidal, so that rocks can be stripped more rapidly when being cut, and the operation efficiency is improved. The cross section of the material guide boss wound on the material guide section is rectangular, and the material guide boss arranged in a rectangular shape enables the material guide capacity of the material guide groove formed by the spirally arranged material guide bosses in a surrounding mode to be better. A plurality of stock guides set up on the guide boss, and extend to the direction of keeping away from the guide boss. This kind of setting through setting up the combination of guide boss with the stock guide, has improved the degree of depth of baffle box, and then has improved guide efficiency for the waste material that produces in the course of working can be derived fast.
In the technical scheme, the width of the end face of one end, far away from the rock stripping section, of the material guide boss is smaller than that of the end face of one end, close to the rock stripping section, of the material guide boss.
In the technical scheme, the width of the end face of one end, far away from the rock stripping section, of the material guide boss is smaller than the width of the end face of one end, close to the rock stripping section, of the material guide boss, namely the width of the contact face of the material guide boss and the rock stripping section is larger than the width of the contact face of the material guide boss and the end face of the rock stripping section. This kind of setting sets up to reduce gradually in the direction of keeping away from the rock stripping section through the cross-sectional area with the guide boss, can make the pick on the guide boss work simultaneously, and then improve the operating efficiency.
In the above technical solution, the cutting head further includes: the cutting tooth assemblies are arranged on the outer surface of the material guide boss far away from the rock stripping section and on the spherical boss structure; the plurality of guide plates and the plurality of cutting pick assemblies are arranged in a one-to-one correspondence manner.
In this embodiment, the cutting head further comprises a plurality of pick assemblies. A plurality of pick subassemblies set up on the surface of the section of shelling and sphere boss structure are kept away from to the guide boss, and a plurality of stock guides and a plurality of pick subassemblies one-to-one set up. This kind of setting is through setting up the pick subassembly on the guide boss to make the setting mode of pick subassembly also be spiral setting, thereby the crushing ability to the rock is stronger at the operation in-process. The cutting pick components on the spherical boss structure are arranged in a near-spherical or quasi-spherical manner, so that the impact strength of the cutting head is enhanced. A plurality of stock guides set up with a plurality of pick subassemblies one-to-one to can all protect every pick subassembly through the stock guides, reduce the wearing and tearing of pick subassembly, improve the life of pick subassembly.
Further, the pick assembly includes a pick block and a pick disposed on the pick block. The pick box is arranged on the material guide boss and the spherical boss structure.
In the technical scheme, the cutting pick assembly, the material guide boss and the material guide plate are of an integrated structure.
In the technical scheme, the cutting pick assembly, the material guide boss and the material guide plate are of an integrated structure. This kind of setting through setting up pick subassembly, guide boss and stock guide integration, has improved the intensity of pick subassembly, has improved its life.
In the technical scheme, the rock breaking section, the rock stripping section and the material guiding section are of an integrated structure.
In the technical scheme, the rock breaking section, the rock stripping section and the material guiding section are of an integrated structure. This kind of setting can improve the bulk strength of cutterhead, and is very obvious when the cutterhead is used for a long time.
In another technical scheme, the cutting pick assembly, the material guide boss and the material guide plate are of an integrated structure, or the rock breaking section, the rock peeling section and the material guide section are of an integrated structure.
In the above technical solution, a plurality of material guiding plates are connected to each other to form an integrated structure, and/or a plurality of material guiding plates are connected to each other to form a spiral shape.
In the technical scheme, a plurality of material guide plates are connected with each other to form an integrated structure. This kind of setting is through linking together stock guide and stock guide, forms whole helical structure, can improve the intensity of stock guide, makes the stock guide not fragile, improves the protective capacities of stock guide to the pick subassembly.
Furthermore, a single-side groove can be additionally arranged on the material guide plates to connect the two material guide plates together. Here, the connection can be made by welding.
In the above technical solution, the cutting head further includes: and the wear-resistant blocks are arranged on the material guide plates and correspond to the material guide plates one to one.
In this solution, the cutting head also comprises wear-resistant blocks. The wear-resistant blocks are arranged on the material guide plates and correspond to the material guide plates one to one. According to the arrangement, the guide plate can be protected by arranging the wear-resistant blocks on the guide plate, so that the loss of the guide plate is reduced, and the cost is saved.
In the technical scheme, the number of the material guide bosses is at least one.
In another technical scheme, the number of the material guide bosses is two.
In any technical scheme, the length ratio of the rock breaking section to the rock stripping section to the material guiding section is 1:1: 1.
In the technical schemes, the length ratio of the rock breaking section to the rock stripping section to the material guiding section is 1:1: 1. This kind of setting sets up to the same through the length with broken rock section, between shelling section and the guide section, can guarantee under the condition of cutting efficiency, can also guarantee the ability and the difficult wearing and tearing of pick subassembly of guide.
In any of the above technical schemes, the minimum cross-sectional area of the material guiding section is greater than or equal to the maximum cross-sectional area of the rock stripping section; and/or the minimum cross-sectional area of the rock stripping section is greater than or equal to the maximum cross-sectional area of the rock breaking section.
In the technical schemes, the minimum cross-sectional area of the material guiding section is more than or equal to the maximum cross-sectional area of the rock stripping section; and/or the minimum cross-sectional area of the rock stripping section is greater than or equal to the maximum cross-sectional area of the rock breaking section. This kind of setting has guaranteed that broken rock section, shell rock section and guide section can connect in order to form a holistic toper structure, and then guaranteed the operating efficiency of cutterhead.
In another technical scheme, the minimum cross-sectional area of the material guide section is larger than or equal to the maximum cross-sectional area of the rock stripping section, or the minimum cross-sectional area of the rock stripping section is larger than or equal to the maximum cross-sectional area of the rock breaking section.
The technical scheme of the second aspect of the invention provides engineering equipment, which comprises the cutting head in any one of the technical schemes of the first aspect.
According to the invention, the engineering equipment comprises the cutting head in any one of the technical schemes of the first aspect. Since the cutting head comprises the cutting head according to any of the above technical solutions of the first aspect, the engineering equipment provided by the present invention also comprises all the beneficial effects of the cutting head according to the technical solution of the first aspect, which are not described herein again.
Further, the engineering equipment comprises operation vehicles such as a heading machine, a heavy truck, a trailer, an excavator, an anchor driving machine, a bulldozer, a road roller, a concrete pump truck and the like, or mechanical operation equipment such as a tower crane, a construction elevator, a material elevator and the like.
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 cutting head according to an embodiment of the invention;
figure 2 is another schematic structural view of a cutting head according to an embodiment of the invention;
figure 3 is a third schematic view of a cutting head according to an embodiment of the invention;
figure 4 is a schematic cross-sectional view of a cutting head according to an embodiment of the invention;
figure 5 is a schematic view of a partial structure of a cutting head according to an embodiment of the invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 5 is:
1 rock breaking section, 12 spherical boss structures, 2 rock stripping sections, 3 material guiding sections, 4 material guiding assemblies, 42 material guiding bosses, 44 material guiding plates, 5 cutting pick assemblies, 52 cutting pick seats, 54 cutting picks and 6 wear-resistant blocks.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in 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.
Example one
As shown in fig. 1 to 5, an embodiment of the first aspect of the present invention provides a cutting head, which includes a rock breaking section 1, a rock peeling section 2 and a material guiding section 3. The front end of the rock stripping section 2 is fixedly connected with the rock breaking section 1; the material guiding section 3 is fixedly connected with the rear end of the rock stripping section 2; wherein, be provided with spherical boss structure 12 on broken rock section 1, spherical boss structure 12 cladding is on broken rock section 2, and the cross-sectional area of peeling off rock section 2 reduces from the rear end to the front end gradually.
The cutting head provided by the invention comprises a rock breaking section 1, a rock stripping section 2 and a material guiding section 3. The front end of the rock stripping section 2 is fixedly connected with the rock breaking section 1, and the rear end of the rock stripping section 2 is fixedly connected with the material guiding section 3, so that the main body part of the cutting head is formed by the rock breaking section 1, the rock stripping section 2 and the material guiding section 3 which are connected in sequence. Be provided with spherical boss structure 12 on the working end of broken rock section 1 to can be through setting up the structural strength of spherical structure increase broken rock section 1, make the broken rock ability of cutterhead better, and when having add spherical structure, also can increase the installation area of pick subassembly 5 on broken rock section 1, thereby increased the installation quantity of pick subassembly 5 on broken rock section 1, improved broken rock ability. The arrangement of the cutting pick assembly 5 on the rock breaking section 1 is similar to a spherical surface, or a standard spherical structure, and the impact resistance of the rock breaking section 1 can be improved by adopting the spherical structure arrangement. The cross-sectional area of the rock stripping section 2 is gradually reduced from the rear end to the front end, so that the rock stripping section 2 forms a conical structure with a small front end and a large rear end, and when the cutting head works, the cutting head works from front to back, so that the cutting pick 54 on the rock stripping section 2 can cut simultaneously by the design of the conical structure, and the rock stripping crushing efficiency is improved.
In the above embodiment, the cutting head further comprises: and the material guide assembly 4 is arranged on the outer surfaces of the rock stripping section 2 and the material guide section 3 and is used for guiding materials cut by the cutting head.
In this embodiment the cutting head also comprises a stock guide assembly 4. The material guide assembly 4 is arranged on the outer surfaces of the rock stripping section 2 and the material guide section 3 and can guide materials cut by the cutting head. This kind of setting through set up guide subassembly 4 on shelling section 2 and guide section 3, can lead the waste material that the cutterhead cut off to the back to in clear up the waste material and discharge in unison.
In the above embodiment, as shown in fig. 4 and 5, the material guide assembly 4 includes: the material guide bosses 42 are spirally wound on the outer surfaces of the rock peeling section 2 and the material guide section 3, the sections of the material guide bosses 42 wound on the rock peeling section 2 are trapezoidal, and the sections of the material guide bosses 42 wound on the material guide section 3 are rectangular; and the material guide plates 44 are arranged on the material guide bosses 42 and extend in the direction far away from the material guide bosses 42.
In this embodiment, the guide assembly 4 includes a guide boss 42 and a plurality of guide plates 44. The guide bosses 42 are spirally wound on the outer surfaces of the rock stripping section 2 and the guide section 3, and meanwhile, guide grooves are formed between the guide bosses 42 which are spirally arranged, so that waste materials can be guided out when the cutting head operates through the guide grooves, and the whole guide efficiency of the cutting head is improved. The section of the material guide boss 42 wound on the rock stripping section 2 is trapezoidal, so that the rock can be stripped more rapidly when the rock is cut, and the operation efficiency is improved. The cross section of the material guiding boss 42 wound on the material guiding section 3 is rectangular, and the material guiding capacity of the material guiding groove formed by the spirally arranged material guiding bosses 42 is better through the arrangement of the rectangular material guiding boss 42. The plurality of material guide plates 44 are disposed on the material guide bosses 42 and extend in a direction away from the material guide bosses 42. This kind of setting through the combination that sets up guide boss 42 and stock guide 44, has improved the degree of depth of baffle box, and then has improved guide efficiency for the waste material that produces in the course of working can be derived fast.
In the above embodiment, the width of the end surface of the material guiding boss 42 far away from the end of the rock stripping section 2 is smaller than the width of the end surface of the end close to the end of the rock stripping section 2.
In this embodiment, the width of the end surface of the material guiding boss 42 far away from the end of the rock stripping section 2 is smaller than the width of the end surface of the end close to the end of the rock stripping section 2. By the arrangement, the cutting picks 54 on the material guide boss 42 can work simultaneously by setting the cross section area of the material guide boss 42 to be gradually reduced in the direction away from the rock stripping section 2, and further the working efficiency is improved.
In the above embodiment, the cutting head further comprises: the cutting pick assemblies 5 are arranged on the outer surface of the material guide boss 42 far away from the rock stripping section 2 and on the spherical boss structure 12; the plurality of material guide plates 44 are arranged in one-to-one correspondence with the plurality of pick assemblies 5.
In this embodiment the cutting head also comprises a plurality of pick assemblies 5. A plurality of pick assemblies 5 set up on the surface of the guide boss 42 is kept away from the rock stripping section 2 and on the sphere boss structure 12, correspond on the pick assembly 5 and be provided with pick 54 to can cut the rock, a plurality of stock guides 44 set up with a plurality of pick assemblies 5 one-to-one. This kind of setting is through setting up pick subassembly 5 on guide boss 42 to make pick subassembly 5 set up the mode also for spiral setting, thereby the crushing ability to the rock is stronger at the operation in-process. The cutting pick assemblies 5 on the spherical boss structure 12 are arranged in a near-spherical or quasi-spherical manner, so that the impact strength of the cutting head is enhanced. The guide plates 44 are arranged in one-to-one correspondence with the cutting pick assemblies 5, so that each cutting pick assembly 5 can be protected through the guide plates 44, abrasion of the cutting pick assemblies 5 is reduced, and the service life of the cutting pick assemblies 5 is prolonged.
Further, the pick assembly 5 includes a pick block 52 and a pick 54 disposed on the pick block 52. The pick box 52 is disposed over the material guide boss 42 and the spherical boss structure 12.
In the above embodiment, the pick assembly 5, the guide boss 42 and the guide plate 44 are of unitary construction.
In this embodiment, the pick assembly 5, the guide boss 42 and the guide plate 44 are of unitary construction. According to the arrangement, the cutting pick assembly 5, the material guide boss 42 and the material guide plate 44 are integrally arranged, so that the strength of the cutting pick assembly 5 is improved, and the service life of the cutting pick assembly is prolonged.
In the above embodiment, the rock breaking section 1, the rock stripping section 2 and the material guiding section 3 are of an integrated structure.
In this embodiment, the rock breaking section 1, the rock stripping section 2 and the material guiding section 3 are of an integrated structure. This kind of setting can improve the bulk strength of cutterhead, and is very obvious when the cutterhead is used for a long time.
In another embodiment, the pick assembly 5, the guide boss 42 and the guide plate 44 are of an integral structure, or the breaking section 1, the peeling section 2 and the guide section 3 are of an integral structure.
In the above embodiment, the plurality of guide plates 44 are connected to each other in an integrated structure, and/or the plurality of guide plates 44 are connected to each other in a spiral shape.
In this embodiment, a plurality of guide plates 44 are connected to each other to form an integrated structure. This kind of setting, through linking together stock guide 44 and stock guide 44, form whole helical structure, can improve the intensity of stock guide 44, make stock guide 44 not fragile, improve the protective capacities of stock guide 44 to pick subassembly 5.
Further, a single-side groove may be added on the material guiding plates 44 to connect the two material guiding plates 44 together. Here, the connection can be made by welding.
In the above embodiment, as shown in fig. 2 and 3, the cutting head further comprises: the wear-resistant blocks 6 are arranged on the material guide plates 44 and correspond to the material guide plates 44 one by one.
In this embodiment the cutting head also comprises wear blocks 6. The wear-resistant blocks 6 are arranged on the material guide plates 44 and correspond to the material guide plates 44 one by one. According to the arrangement, the wear-resistant blocks 6 are arranged on the material guide plates 44, so that the material guide plates 44 can be protected, the loss of the material guide plates 44 is reduced, and the cost is saved.
In the above embodiment, the number of the guide bosses 42 is at least one.
In another embodiment, the number of the guide bosses 42 is two.
In any of the above embodiments, the length ratio of the rock breaking section 1, the rock stripping section 2 and the material guiding section 3 is 1:1: 1.
In the embodiments, the length ratio of the rock breaking section 1, the rock stripping section 2 and the material guiding section 3 is 1:1: 1. This kind of setting sets up to the same through the length with between broken rock section 1, the section of peeling off 2 and the guide section 3, can also guarantee the ability and the pick subassembly 5 difficult wearing and tearing of guide under the circumstances of guaranteeing cutting efficiency.
In any of the above embodiments, the minimum cross-sectional area of the material guiding section 3 is greater than or equal to the maximum cross-sectional area of the rock stripping section 2; and/or the minimum cross-sectional area of the rock stripping section 2 is larger than or equal to the maximum cross-sectional area of the rock breaking section 1.
In the embodiments, the minimum cross-sectional area of the material guiding section 3 is larger than or equal to the maximum cross-sectional area of the rock stripping section 2; and/or the minimum cross-sectional area of the rock stripping section 2 is larger than or equal to the maximum cross-sectional area of the rock breaking section 1. This kind of setting has guaranteed that broken rock section 1, shell rock section 2 and guide section 3 can connect in order to form a holistic toper structure, and then guaranteed the operating efficiency of cutterhead.
In another embodiment, the minimum cross-sectional area of the material guiding section 3 is larger than or equal to the maximum cross-sectional area of the rock stripping section 2, or the minimum cross-sectional area of the rock stripping section 2 is larger than or equal to the maximum cross-sectional area of the rock breaking section 1.
Embodiments of the second aspect of the invention provide a piece of work equipment comprising a cutting head as in any of the embodiments of the first aspect described above.
According to the invention there is provided a working apparatus comprising a cutting head as in any of the embodiments of the first aspect described above. Since the cutting head comprises the cutting head of any embodiment of the first aspect, the engineering equipment provided by the invention also comprises all the beneficial effects of the cutting head of the embodiment of the first aspect, which are not described herein again.
Further, the engineering equipment comprises operation vehicles such as a heading machine, a heavy truck, a trailer, an excavator, an anchor driving machine, a bulldozer, a road roller, a concrete pump truck and the like, or mechanical operation equipment such as a tower crane, a construction elevator, a material elevator and the like.
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 of the present specification, it is to be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or unit must have a specific direction, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
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 cutter head, comprising:
a rock breaking section;
the front end of the rock stripping section is fixedly connected with the rock breaking section;
the material guiding section is fixedly connected with the rear end of the rock stripping section;
the rock breaking section is provided with a spherical boss structure, the spherical boss structure is coated on the rock breaking section, and the cross-sectional area of the rock stripping section is gradually reduced from the rear end to the front end.
2. The cutting head of claim 1, further comprising:
and the material guide assembly is arranged on the outer surfaces of the rock stripping section and the material guide section and is used for guiding the materials cut by the cutting head.
3. The cutting head of claim 2, wherein the stock guide assembly comprises:
the material guide bosses are spirally wound on the outer surfaces of the rock stripping section and the material guide section, the sections of the material guide bosses wound on the rock stripping section are trapezoidal, and the sections of the material guide bosses wound on the material guide section are rectangular;
and the material guide plates are arranged on the material guide bosses and extend in the direction far away from the material guide bosses.
4. The cutting head according to claim 3, wherein the width of the end face of the material guiding boss far away from the end of the rock stripping section is smaller than the width of the end face of the material guiding boss near the end of the rock stripping section.
5. The cutting head according to claim 3, further comprising:
the cutting pick assemblies are arranged on the outer surface of the material guide boss far away from the rock stripping section and the spherical boss structure;
the plurality of guide plates and the plurality of cutting pick assemblies are arranged in a one-to-one correspondence mode.
6. The cutter head of claim 5 wherein the pick assembly, the guide boss and the guide plate are of a unitary construction; and/or
The rock breaking section, the rock stripping section and the material guiding section are of an integrated structure.
7. The cutting head according to claim 3, characterized in that a plurality of the guide plates are connected to each other in a unitary structure and/or in a spiral shape.
8. The cutting head according to claim 3, further comprising:
and the wear-resistant blocks are arranged on the material guide plates and correspond to the material guide plates one to one.
9. The cutting head according to claim 3, characterized in that the number of the material guiding bosses is at least one.
10. The cutting head according to any of the claims 1 to 9, characterized in that the length ratio between the breaking section, the stripping section and the conducting section is 1:1: 1; and/or
The minimum cross-sectional area of the material guiding section is larger than or equal to the maximum cross-sectional area of the rock stripping section; and/or the minimum cross-sectional area of the rock stripping section is larger than or equal to the maximum cross-sectional area of the rock breaking section.
11. A working apparatus, characterized in that it comprises a cutting head according to any one of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210477749.XA CN114575871B (en) | 2022-05-05 | 2022-05-05 | Cutting head and engineering equipment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202954816U (en) * | 2012-12-20 | 2013-05-29 | 河南省煤科院耐磨技术有限公司 | Cold-assembly low-cutting resistance durable point-attack pick |
| CN105178955A (en) * | 2015-08-31 | 2015-12-23 | 中国矿业大学 | Hob type cutting head |
| CN107060755A (en) * | 2017-04-11 | 2017-08-18 | 中车株洲电力机车有限公司 | Bore pick and its cutterhead in one kind top |
| CN206753607U (en) * | 2017-05-02 | 2017-12-15 | 沈阳至诚开拓科技有限公司 | A kind of cutting head of roadheader |
| CN108104809A (en) * | 2017-12-11 | 2018-06-01 | 三重型装备有限公司 | The body of the cutting head, cutterhead and development machine |
| CN212079314U (en) * | 2020-04-21 | 2020-12-04 | 三一重型装备有限公司 | Cutting mechanism and heading machine |
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2022
- 2022-05-05 CN CN202210477749.XA patent/CN114575871B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202954816U (en) * | 2012-12-20 | 2013-05-29 | 河南省煤科院耐磨技术有限公司 | Cold-assembly low-cutting resistance durable point-attack pick |
| CN105178955A (en) * | 2015-08-31 | 2015-12-23 | 中国矿业大学 | Hob type cutting head |
| CN107060755A (en) * | 2017-04-11 | 2017-08-18 | 中车株洲电力机车有限公司 | Bore pick and its cutterhead in one kind top |
| CN206753607U (en) * | 2017-05-02 | 2017-12-15 | 沈阳至诚开拓科技有限公司 | A kind of cutting head of roadheader |
| CN108104809A (en) * | 2017-12-11 | 2018-06-01 | 三重型装备有限公司 | The body of the cutting head, cutterhead and development machine |
| CN212079314U (en) * | 2020-04-21 | 2020-12-04 | 三一重型装备有限公司 | Cutting mechanism and heading machine |
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| CN114575871B (en) | 2022-07-12 |
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