技术领域technical field
本发明涉及掘进机截割技术领域，特别涉及一种滚刀与截齿交替分布的密集型掘进机截割部。The invention relates to the technical field of roadheader cutting, in particular to an intensive roadheader cutting part in which hob cutters and picks are alternately distributed.
背景技术Background technique
掘进机是现代矿山巷道快速掘进的关键设备，随着煤矿井下巷道掘进技术的不断发展，掘进机的掘进速度不断提高，但仍然不能满足生产需求，这严重制约着我国矿井的高效高产作业。截割头是掘进机实现破岩的直接部件，其中截齿的磨损、齿座的脱落是施工中常见的问题，现有掘进机在实际生产使用过程中，尤其对于高硬度岩石的截割，截割头顶端的截齿磨损及齿座脱落现象尤为严重，大大影响掘进机的作业效率并提高作业成本，无法满足高效高产需求。因此，迫切需要研制一种新型的、高效的，尤其针对高硬度岩石的掘进机截割部。The roadheader is the key equipment for the rapid excavation of the modern mine roadway. With the continuous development of the underground roadway driving technology in coal mines, the roadheader's driving speed has been continuously improved, but it still cannot meet the production demand, which seriously restricts the efficient and high-yield operation of mines in my country. The cutting head is the direct part of the roadheader to break the rock. The wear of the pick and the falling off of the tooth seat are common problems in construction. In the actual production and use of the existing roadheader, especially for the cutting of high-hardness rocks, The wear of the pick at the top of the cutting head and the falling off of the tooth seat are particularly serious, which greatly affects the operation efficiency of the roadheader and increases the operation cost, which cannot meet the needs of high efficiency and high production. Therefore, there is an urgent need to develop a new and efficient cutting part of a roadheader, especially for high-hardness rock.
发明内容SUMMARY OF THE INVENTION
本发明提供了一种滚刀与截齿交替分布的密集型掘进机截割部，所述滚刀与截齿交替分布的密集型掘进机截割部包括炮头、密集型齿座、密集型截齿、盘形滚刀、螺旋叶片、单齿齿座和普通截齿；The invention provides an intensive roadheader cutting part in which hob cutters and picks are alternately distributed. Picks, disc hobs, helical blades, single-tooth adapters and ordinary picks;
密集型齿座呈条状，密集型齿座的数量与排布在炮头顶端的螺旋线的条数相等，每条密集型齿座对应一条炮头顶端的螺旋线，每条密集型齿座的形状与其对应的螺旋线的线型相同，每条密集型齿座沿着与其对应的螺旋线焊接固定在炮头顶端；The dense tooth seat is in strip shape, the number of dense tooth seat is equal to the number of helix lines arranged at the top of the gun head, each dense tooth seat corresponds to a helix at the top of the gun head, and each dense tooth seat The shape is the same as that of its corresponding helix, and each dense tooth seat is welded and fixed to the top of the gun head along its corresponding helix;
在密集型齿座上有多个密集型截齿安装位和多个盘形滚刀安装位，密集型截齿安装位和盘形滚刀安装位交替排布，每个密集型截齿安装位内安装一个密集型截齿，每个盘形滚刀安装位内安装一个盘形滚刀；There are multiple dense pick installation positions and multiple disc hob installation positions on the dense tooth holder, the dense pick installation positions and the disk hob installation positions are alternately arranged, and each dense pick installation position A dense pick is installed inside, and a disc hob is installed in each disc hob installation position;
在炮头顶端和炮头的底部之间还固定有螺旋叶片，沿着螺旋叶片的旋转方向在炮头上固定多个单齿齿座，每个单齿齿座内均安装一个普通截齿。A helical blade is also fixed between the top of the gun head and the bottom of the gun head, a plurality of single-tooth tooth seats are fixed on the gun nose along the rotation direction of the helical blade, and a common pick is installed in each single-tooth tooth seat.
所述密集型截齿安装位上设有密集型截齿安装孔，所述密集型截齿插入密集型截齿安装孔内，所述密集型截齿安装位和所述密集型截齿上均设有销钉孔，通过销钉将所述密集型截齿固定在所述密集型截齿安装位内。The dense-type pick installation position is provided with a dense-type pick installation hole, the dense-type pick is inserted into the dense-type pick installation hole, and both the dense-type pick installation position and the dense-type pick are installed. A pin hole is provided, and the dense-type pick is fixed in the installation position of the dense-type pick through a pin.
所述盘形滚刀安装位上设有滚刀安装槽和销钉孔，所述盘形滚刀上设有销钉孔，通过销钉将所述盘形滚刀安装在滚刀安装槽内，盘形滚刀能围绕销钉在滚刀安装槽内滚动。The installation position of the disc-shaped hob is provided with a hob installation slot and a pin hole, the disc-shaped hob is provided with a pin hole, and the disc-shaped hob is installed in the hob installation slot through the pin. The reel can roll around the pin in the reel mounting slot.
所述密集型齿座、所述密集型截齿安装位和所述盘形滚刀安装位为一体成型。The dense tooth holder, the dense pick installation position and the disk-shaped hob installation position are integrally formed.
所述普通截齿的圆柱段底端设有卡槽，所述单齿齿座设有安装孔，普通截齿的圆柱段插入所述安装孔内且圆柱段底端从安装孔内露出，并使用环形挡圈卡入所述卡槽，普通截齿与单齿齿座为间隙配合。The bottom end of the cylindrical section of the common pick is provided with a slot, the single-tooth tooth seat is provided with a mounting hole, the cylindrical section of the common pick is inserted into the mounting hole, and the bottom end of the cylindrical section is exposed from the mounting hole, and An annular retaining ring is used to snap into the slot, and the common pick and the single-tooth seat are clearance fit.
所述环形挡圈的材质为金属。The material of the annular retaining ring is metal.
所述密集型齿座的数量为2、3或者4。The number of the dense tooth seats is 2, 3 or 4.
本发明针对掘进机截割部炮头顶端的截齿磨损严重及齿座脱落严重现象，根据截割部炮头顶端截齿及齿座受力比截割部其他部位受力大的特点，对传统掘进机截割部进行改进，即将截割头炮头顶端的单齿齿座用改进的密集型齿座代替，并将盘形滚刀与密集型截齿交替安装于密集型齿座上；本发明中的密集型齿座与炮头顶端通过焊接实现固定连接，与在炮头顶端间隔焊接单齿齿座相比，大大增加了齿座与炮头间的焊接面积，因此当安装在密集型齿座上的某个密集型截齿受到冲击力较大时，冲击力由密集型齿座承受，极大避免齿座脱落的现象；本发明中通过焊接密集型齿座，可在炮头顶端有限的面积上安装更多截齿，进而增加炮头顶端的截齿密度，减少单个截齿的集中受力，同时，盘形滚刀与密集型截齿交替分布，可使盘形滚刀在密集型截齿截割岩石前对岩石进行欲裂，大大缓解了炮头顶端截齿的严重磨损，从而使得整个炮头上所有截齿的更换周期近乎相等，减少截齿更换次数及停机时间，对提高掘进机的工作效率具有重要意义，同时减少单个截齿的集中受力，也可以有效防止齿座脱落，有益于降低维修成本；且本发明中条形的密集型齿座的形状与炮头顶端排布的螺旋线的线型相同，能够对破碎后的岩石进行有效的排出。本发明中的截割部结构紧凑、合理、简单，具有广泛的实用性。The invention aims at the serious wear and tear of the pick at the top of the gun head of the cutting part of the roadheader and the serious falling off of the tooth seat. The cutting part of the traditional roadheader is improved, that is, the single-tooth tooth seat at the top of the cutting head is replaced with an improved dense tooth seat, and the disc hob and the intensive pick are alternately installed on the dense tooth seat; The dense tooth seat and the top of the gun head in the present invention are fixedly connected by welding. Compared with welding the single tooth tooth seat at intervals at the top of the gun head, the welding area between the tooth seat and the gun head is greatly increased. When a certain dense pick on the type tooth seat is subjected to a large impact force, the impact force is borne by the dense tooth seat, which greatly avoids the phenomenon of the tooth seat falling off; in the present invention, by welding the dense tooth seat, it can be More picks are installed on the limited area at the top, thereby increasing the density of picks at the top of the nozzle and reducing the concentrated force of a single pick. The rock is cracked before the dense picks cut the rock, which greatly relieves the severe wear of the picks at the top of the gun head, so that the replacement cycle of all picks on the entire gun head is almost equal, reducing the number of pick replacements and downtime. , it is of great significance to improve the working efficiency of the roadheader, and at the same time, it reduces the concentrated force of a single pick, and can also effectively prevent the tooth base from falling off, which is beneficial to reduce maintenance costs; The spiral lines arranged at the top of the gun head have the same line type, which can effectively discharge the broken rocks. The structure of the cutting part in the present invention is compact, reasonable and simple, and has wide practicability.
附图说明Description of drawings
图1是本发明提供的滚刀与截齿交替分布的密集型掘进机截割部的结构示意图；Fig. 1 is the structure schematic diagram of the cutting part of the dense type roadheader provided by the present invention in which the hob and the pick are alternately distributed;
图2是本发明提供的密集型齿座及炮头位置示意图；Fig. 2 is the position schematic diagram of dense tooth seat and gun head provided by the present invention;
图3是本发明提供的密集型齿座位置排布示意图；FIG. 3 is a schematic diagram of the positional arrangement of the dense tooth base provided by the present invention;
图4是本发明提供的普通截齿的结构示意图；Fig. 4 is the structural representation of the common pick provided by the present invention;
图5是本发明提供的单齿齿座的结构示意图；5 is a schematic structural diagram of a single-tooth adapter provided by the present invention;
图6是本发明提供的单齿齿座与普通截齿的装配示意图；Fig. 6 is the assembly schematic diagram of the single tooth holder provided by the present invention and the common pick;
图7是本发明提供的密集型截齿的结构示意图；Fig. 7 is the structural schematic diagram of the dense type pick provided by the present invention;
图8是本发明提供的密集型齿座的结构示意图；8 is a schematic structural diagram of a dense tooth holder provided by the present invention;
图9是本发明提供的盘形滚刀的结构示意图；Fig. 9 is the structural representation of the disc hob provided by the present invention;
图10是本发明提供的密集型齿座与密集型截齿以及盘形滚刀的装配示意图。FIG. 10 is a schematic view of the assembly of the dense tooth holder, the dense pick and the disc hob provided by the present invention.
其中，in,
1炮头，11炮头顶端，12炮头中心轴线；2密集型齿座，21密集型截齿安装位，22盘形滚刀安装位，23密集型截齿安装孔，24销钉孔a，25滚刀安装槽，26销钉孔b；3密集型截齿，31销钉孔c；4盘形滚刀，41销钉孔d；5螺旋叶片；6单齿齿座，61安装孔；7普通截齿，71卡槽；8销钉；9环形挡圈。1 gun head, 11 gun head top, 12 gun head center axis; 2 dense tooth seats, 21 dense pick installation positions, 22 disc hob installation positions, 23 dense pick installation holes, 24 pin holes a, 25 hob mounting slots, 26 pin holes b; 3 dense picks, 31 pin holes c; 4 disc hob, 41 pin holes d; 5 helical blades; 6 single-tooth adapters, 61 mounting holes; 7 common cut Teeth, 71 Slots; 8 Pins; 9 Rings.
具体实施方式Detailed ways
在制作截割头时，会根据实际情况例如炮头的尺寸以及煤岩的硬度等情况在炮头上排布合理数量的螺旋线，现有技术中，沿着螺旋线在炮头上焊接固定单齿齿座，最后在单齿齿座内安装截齿，由于炮头顶端的面积较小，因此沿着螺旋线焊接在炮头顶端的单齿齿座的数量也会较少，因此炮头顶端的截齿数量较少，但在截割头工作的过程中，炮头顶端最先接触高硬度的岩石，因此炮头顶端的截齿磨损较为严重，影响工作效率。When making the cutting head, a reasonable number of helixes will be arranged on the gun head according to the actual situation, such as the size of the gun head and the hardness of the coal rock. In the prior art, the gun head is welded and fixed along the helix. The single-tooth tooth holder, and finally install the pick in the single-tooth tooth holder. Since the area of the top of the gun head is small, the number of single-tooth tooth holders welded to the top of the gun head along the spiral line will also be less, so the gun head The number of picks at the top is small, but during the working process of the cutting head, the top of the gun head first contacts the rock with high hardness, so the picks on the top of the gun head are worn more seriously, which affects the work efficiency.
如图1至图10所示，本发明提供了一种滚刀与截齿交替分布的密集型掘进机截割部，该滚刀与截齿交替分布的密集型掘进机截割部包括炮头1、密集型齿座2、密集型截齿3、盘形滚刀4、螺旋叶片5、单齿齿座6和普通截齿7；As shown in FIG. 1 to FIG. 10 , the present invention provides an intensive roadheader cutting part with hob and pick alternately distributed, and the intensive roadheader cutting part with hob and pick alternately distributed includes a gun head 1. Intensive tooth holder 2, intensive pick 3, disc hob 4, helical blade 5, single tooth tooth holder 6 and ordinary pick 7;
在本发明中，在制作截割部时，也需要根据实际情况在炮头1上以及炮头顶端11排布合理数量的螺旋线，其中，密集型齿座2呈条状，密集型齿座2的数量与排布在炮头顶端11的螺旋线的条数相等，每条密集型齿座2对应一条炮头顶端11的螺旋线，每条密集型齿座2的形状与其对应的螺旋线的线型相同，每条密集型齿座2沿着与其对应的螺旋线焊接固定在炮头顶端11，密集型齿座2的数量可以为两条、三条或者四条，图1、图2和图3中的炮头顶端11排布有两条螺旋线，因此在炮头顶端11固定焊接两条密集型齿座2；In the present invention, when making the cutting part, it is also necessary to arrange a reasonable number of helical lines on the nozzle 1 and the top 11 of the nozzle according to the actual situation. The number of 2 is equal to the number of helixes arranged at the top 11 of the gun head, each dense tooth base 2 corresponds to a helix at the top 11 of the gun head, and the shape of each dense tooth base 2 corresponds to the helix. The line type is the same, each dense tooth seat 2 is welded and fixed to the top end 11 of the gun head along its corresponding helical line, and the number of the dense tooth seat 2 can be two, three or four, as shown in Fig. 1, Fig. 2 and Fig. The top 11 of the gun head in 3 is arranged with two helical lines, so two dense tooth bases 2 are fixed and welded on the top 11 of the gun head;
在密集型齿座2上有多个密集型截齿安装位21和多个盘形滚刀安装位22，密集型截齿安装位21和盘形滚刀安装位22交替排布，每个密集型截齿安装位21内安装一个密集型截齿3，每个盘形滚刀安装位22内安装一个盘形滚刀4；There are a plurality of dense pick installation positions 21 and a plurality of disc hob installation positions 22 on the dense tooth holder 2, and the dense pick installation positions 21 and the disc hob installation positions 22 are alternately arranged. A dense pick 3 is installed in the installation position 21 of the type pick, and a disk hob 4 is installed in each disk hob installation position 22;
在炮头顶端11和炮头1的底部之间还固定有螺旋叶片5，螺旋叶片5沿着位于炮头顶端11和炮头1的底部之间排布的螺旋线焊接固定在炮头1上，且沿着螺旋叶片5的旋转方向在炮头1上通过焊接固定多个单齿齿座6，多个单齿齿座6紧贴螺旋叶片5靠近炮头顶端11的一侧，且多个单齿齿座6与螺旋叶片5之间也通过焊接进行加固，每个单齿齿座6内均安装一个普通截齿7。其中，每个单齿齿座6的结构均相同，图1中省略了部分单齿齿座6和螺旋叶片5的结构；A helical blade 5 is also fixed between the top 11 of the nozzle and the bottom of the nozzle 1, and the helical blade 5 is welded and fixed on the nozzle 1 along the spiral line arranged between the top 11 of the nozzle and the bottom of the nozzle 1. , and along the rotation direction of the helical blade 5, a plurality of single-tooth tooth holders 6 are fixed on the gun head 1 by welding, and the plurality of single-tooth tooth holders 6 are close to the side of the helical blade 5 close to the top 11 of the gun head, and a plurality of single-tooth tooth holders 6 are attached. The single-tooth tooth holder 6 and the helical blade 5 are also reinforced by welding, and a common pick 7 is installed in each single-tooth tooth holder 6 . Wherein, the structure of each single-tooth seat 6 is the same, and the structures of part of the single-tooth seat 6 and the helical blade 5 are omitted in FIG. 1 ;
在本发明中，如图8和图10所示，密集型截齿安装位21上设有密集型截齿安装孔23，密集型截齿3插入密集型截齿安装孔23内，对密集型截齿3进行径向定位，如图7、图8和图10所示，密集型截齿安装位21上设有销钉孔a24，密集型截齿3上也设有销钉孔c31，通过销钉8将密集型截齿3固定在密集型截齿安装位21内，对密集型截齿3进行轴向定位。In the present invention, as shown in FIG. 8 and FIG. 10 , the mounting position 21 of the dense pick is provided with a mounting hole 23 of the dense pick, and the dense pick 3 is inserted into the mounting hole 23 of the dense pick, and the dense pick 3 is inserted into the The pick 3 is radially positioned. As shown in Figures 7, 8 and 10, a pin hole a24 is provided on the installation position 21 of the intensive pick, and a pin hole c31 is also provided on the intensive pick 3. The dense-type pick 3 is fixed in the dense-type pick installation position 21, and the dense-type pick 3 is axially positioned.
如图8所示，盘形滚刀安装位22上设有滚刀安装槽25和销钉孔b26，如图9所示，盘形滚刀4上设有销钉孔d41，如图8和图10所示，通过销钉8将盘形滚刀4安装在滚刀安装槽25内，盘形滚刀4能围绕穿过其中心的销钉8在滚刀安装槽25内滚动。As shown in Fig. 8, the disk-shaped hob mounting position 22 is provided with a hob mounting groove 25 and a pin hole b26. As shown in Fig. 9, the disk-shaped hob 4 is provided with a pin hole d41, as shown in Figs. 8 and 10 As shown, the disc reel 4 is mounted in the reel mounting slot 25 by means of a pin 8 within which the disc reel 4 can roll around a pin 8 passing through its center.
本发明中的密集型齿座2、密集型截齿安装位21和盘形滚刀安装位22为一体成型，通过铸造成型制作出密集型齿座2，在通过对密集型齿座2进行机械加工，例如开槽、钻孔等机械加工在铸造完成的密集型齿座2上加工出密集型截齿安装位21和盘形滚刀安装位22。In the present invention, the dense tooth base 2, the dense pick installation position 21 and the disc hob installation position 22 are integrally formed, and the dense tooth base 2 is produced by casting molding. Machining, such as grooving, drilling and other machining processes, process the dense pick mounting position 21 and the disk-shaped hob mounting position 22 on the casted dense tooth adapter 2 .
如图4所示，普通截齿7的圆柱段底端设有卡槽71，如图5所示，单齿齿座6设有安装孔61，普通截齿7的圆柱段插入安装孔内，对普通截齿7进行径向定位，如图6所示，圆柱段底端从安装孔61内露出，并使用环形挡圈9卡入卡槽71，对普通截齿7进行轴向定位，普通截齿7与单齿齿座6为间隙配合，其中，环形挡圈9的材质为金属，例如可以为铁。As shown in Figure 4, the bottom end of the cylindrical section of the common pick 7 is provided with a slot 71. As shown in Figure 5, the single-tooth seat 6 is provided with a mounting hole 61, and the cylindrical section of the common pick 7 is inserted into the mounting hole, The common pick 7 is radially positioned. As shown in Figure 6, the bottom end of the cylindrical section is exposed from the mounting hole 61, and the annular retaining ring 9 is used to snap into the slot 71, and the common pick 7 is axially positioned. The pick 7 and the single tooth holder 6 are in clearance fit, wherein the material of the annular retaining ring 9 is metal, such as iron.
本发明中的滚刀与截齿交替分布的密集型掘进机截割部在工作的原理如下：螺旋叶片5、单齿齿座6和密集型齿座2会与炮头1一起围绕着炮头中心轴线12做旋转运动，因此位于密集型截齿安装位21内的密集型截齿3、位于盘形滚刀安装位22内的盘形滚刀4以及位于单齿齿座6内的普通截齿7会同时做旋转运动，实现对岩石的截割。The working principle of the intensive roadheader cutting part in which the hob and the pick are alternately distributed in the present invention is as follows: the helical blade 5 , the single tooth seat 6 and the dense tooth seat 2 will surround the gun head together with the gun head 1 The central axis 12 rotates, so the dense pick 3 located in the dense pick mounting position 21, the disk hob 4 located in the disk hob mounting position 22, and the ordinary pick located in the single tooth holder 6. The teeth 7 will rotate at the same time to realize the cutting of the rock.
本发明针对掘进机截割部炮头顶端的截齿磨损严重及齿座脱落严重现象，根据截割部炮头顶端截齿及齿座受力比截割部其他部位受力大的特点，对传统掘进机截割部进行改进，即将截割头炮头顶端11的单齿齿座6用改进的密集型齿座2代替，并将盘形滚刀22与密集型截齿3交替安装于密集型齿座2上；本发明中的密集型齿座2与炮头顶端11通过焊接实现固定连接，与在炮头顶端11间隔焊接单齿齿座6相比，大大增加了齿座与炮头1间的焊接面积，因此当安装在密集型齿座2上的某个密集型截齿3受到冲击力较大时，冲击力由密集型齿座2承受，极大避免齿座脱落的现象；本发明中通过焊接密集型齿座2，可在炮头顶端11有限的面积上安装更多截齿，进而增加炮头顶端11的截齿密度，减少单个截齿的集中受力，同时，盘形滚刀4与密集型截齿3交替分布，可使盘形滚刀4在密集型截齿3截割岩石前对岩石进行欲裂，大大缓解了炮头顶端11截齿的严重磨损，从而使得整个炮头1上所有截齿的更换周期近乎相等，减少截齿更换次数及停机时间，对提高掘进机的工作效率具有重要意义，同时减少单个截齿的集中受力，也可以有效防止齿座脱落，有益于降低维修成本；且本发明中条形的密集型齿座2的形状与炮头顶端11排布的螺旋线的线型相同，能够对破碎后的岩石进行有效的排出。本发明中的截割部结构紧凑、合理、简单，具有广泛的实用性。The invention aims at the serious wear and tear of the pick at the top of the gun head of the cutting part of the roadheader and the serious falling off of the tooth seat. The cutting part of the traditional roadheader is improved, that is, the single-tooth tooth seat 6 of the top 11 of the cutting head is replaced by the improved dense tooth seat 2, and the disc hob 22 and the dense pick 3 are alternately installed in the dense On the type tooth base 2; the dense type tooth base 2 in the present invention is fixedly connected to the top 11 of the gun head by welding. Compared with the welding of the single tooth base 6 at the top 11 of the gun head, it greatly increases the number of teeth base and the gun head. Therefore, when a certain dense pick 3 installed on the dense tooth base 2 is subjected to a large impact force, the impact force is borne by the dense tooth base 2, which greatly avoids the phenomenon of the tooth base falling off; In the present invention, by welding the dense tooth base 2, more picks can be installed on the limited area of the top 11 of the nozzle, thereby increasing the density of picks on the top 11 of the nozzle and reducing the concentrated force of a single pick. The hob 4 and the dense pick 3 are alternately distributed, so that the disc hob 4 can crack the rock before the dense pick 3 cuts the rock, which greatly relieves the serious wear of the pick 11 at the top of the gun head, thereby The replacement cycle of all the picks on the entire gun head 1 is almost equal, reducing the number of pick replacements and downtime, which is of great significance to improving the working efficiency of the roadheader, and at the same time reducing the concentrated force of a single pick, it can also effectively prevent teeth The seat falls off, which is beneficial to reduce the maintenance cost; and the shape of the strip-shaped dense tooth seat 2 in the present invention is the same as that of the spiral line arranged at the top 11 of the gun head, which can effectively discharge the broken rock. The structure of the cutting part in the present invention is compact, reasonable and simple, and has wide practicability.
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710881885.4ACN107461206B (en) | 2017-09-26 | 2017-09-26 | A kind of intensive roadheader cutting part with alternate distribution of hob and pick |
| NL2024360ANL2024360B1 (en) | 2017-09-26 | 2019-12-02 | Intensive Tunnelling Machine Cutting Portion with Hobbing Cutters and Picks in Alternate Distribution |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710881885.4ACN107461206B (en) | 2017-09-26 | 2017-09-26 | A kind of intensive roadheader cutting part with alternate distribution of hob and pick |
| NL2024360ANL2024360B1 (en) | 2017-09-26 | 2019-12-02 | Intensive Tunnelling Machine Cutting Portion with Hobbing Cutters and Picks in Alternate Distribution |
| Publication Number | Publication Date |
|---|---|
| CN107461206A CN107461206A (en) | 2017-12-12 |
| CN107461206Btrue CN107461206B (en) | 2019-06-04 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710881885.4AActiveCN107461206B (en) | 2017-09-26 | 2017-09-26 | A kind of intensive roadheader cutting part with alternate distribution of hob and pick |
| Country | Link |
|---|---|
| CN (1) | CN107461206B (en) |
| NL (1) | NL2024360B1 (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2024360B1 (en)* | 2017-09-26 | 2021-01-14 | Univ Shandong Science & Tech | Intensive Tunnelling Machine Cutting Portion with Hobbing Cutters and Picks in Alternate Distribution |
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| CN110159293B (en)* | 2019-06-05 | 2021-06-11 | 辽宁工程技术大学 | Drilling and milling type cutting experiment mechanism of heading machine |
| CN111535826A (en)* | 2020-04-08 | 2020-08-14 | 三一重型装备有限公司 | Cutting tooth fixing structure, cutting part and heading machine |
| CN112412355A (en)* | 2020-12-03 | 2021-02-26 | 温州市瑞基科技有限公司 | Tunneling limit drill rod |
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| CN201433764Y (en)* | 2009-06-26 | 2010-03-31 | 中国矿业大学 | Cutting head for longitudinal axis roadheader |
| CN201843612U (en)* | 2010-10-26 | 2011-05-25 | 煤炭科学研究总院太原研究院 | Heavy-duty horizontal-shaft-type cutting cylinder for hard rock boring machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107461206B (en)* | 2017-09-26 | 2019-06-04 | 辽宁工程技术大学 | A kind of intensive roadheader cutting part with alternate distribution of hob and pick |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4119350A (en)* | 1976-05-13 | 1978-10-10 | Gebr. Eickhoff, Maschinenfabrik Und Eisengiesserei, M.B.H. | Cutter drum |
| CN201433764Y (en)* | 2009-06-26 | 2010-03-31 | 中国矿业大学 | Cutting head for longitudinal axis roadheader |
| CN201843612U (en)* | 2010-10-26 | 2011-05-25 | 煤炭科学研究总院太原研究院 | Heavy-duty horizontal-shaft-type cutting cylinder for hard rock boring machine |
| CN202882917U (en)* | 2012-09-24 | 2013-04-17 | 邵祥顺 | Novel cutter head with replaceable top cutting edge |
| CN204899921U (en)* | 2015-07-08 | 2015-12-23 | 徐工集团工程机械股份有限公司 | Entry driving machine cutterhead and entry driving machine |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2024360B1 (en)* | 2017-09-26 | 2021-01-14 | Univ Shandong Science & Tech | Intensive Tunnelling Machine Cutting Portion with Hobbing Cutters and Picks in Alternate Distribution |
| Publication number | Publication date |
|---|---|
| NL2024360B1 (en) | 2021-01-14 |
| CN107461206A (en) | 2017-12-12 |
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