CN216866677U - Anti-collision structure and heading machine - Google Patents
Anti-collision structure and heading machine Download PDFInfo
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- CN216866677U CN216866677U CN202220394689.0U CN202220394689U CN216866677U CN 216866677 U CN216866677 U CN 216866677U CN 202220394689 U CN202220394689 U CN 202220394689U CN 216866677 U CN216866677 U CN 216866677U
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- lifting cylinder
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Abstract
The utility model relates to the technical field of tunneling machinery, and provides an anti-collision structure and a tunneling machine, wherein the anti-collision structure comprises an anti-collision beam, and one side of the anti-collision beam is detachably connected with a left vertical plate and a right vertical plate of a shovel plate part; and two ends of the anti-collision cross beam respectively extend to the outer side of the chute. According to the anti-collision structure and the heading machine provided by the utility model, the anti-collision beam is arranged on the shovel plate part, so that the cutting part and the shovel plate can be prevented from directly colliding to damage the shovel plate, and the anti-collision beam can also play an anti-collision role when the cutting part is bedded at the left limit position and the right limit position because the two ends of the anti-collision beam respectively extend to the outer sides of the chutes.
Description
Technical Field
The utility model relates to the technical field of tunneling machinery, in particular to an anti-collision structure and a tunneling machine.
Background
With the rapid development of coal mechanical products, boom-type roadheader products have been widely used in coal mines and mine tunnels.
During the working and tunneling process of the boom-type roadheader, the cutting head needs to be driven to move through the vertical and horizontal swinging of the cutting part, and the cutting head drives the cutting teeth to rotate through the rotation of the cutting head, so that the cutting of a tunneling working face is realized. However, in the process of the cutting part lying on the bottom, due to misoperation of an operator, the cutting part and the shovel plate part are easy to collide, so that equipment is damaged.
The working process of shovel board portion is in collecting the chute with the material through star gear gyration action, transports the material backward through scraping the scraper chain in the chute, because the particle diameter size of material is not uniform, when the longmen position was transported to the material, because the material particle diameter is too big, often takes place the phenomenon of material card at longmen position, seriously influences conveying efficiency.
Although some existing shovel plate structures pretend to be provided with the anti-collision beam, the anti-collision beam is located between the two chute side walls, and when the cutting part is bedded at the left limit position and the right limit position, the cutting part and the shovel plate part collide.
In addition, the impact beam in the prior art can only bear the axial force of the fastening assembly, and the fastening assembly of the impact beam can be damaged when the impact beam bears the shear stress. When the development machine is used, the use working conditions are different, the sizes of transported materials are different, and for the materials with large particle sizes, when the materials are transported through the shovel plate, the shovel plate cross beam is likely to be impacted, shear stress is generated, and the fastening assembly can be damaged.
SUMMERY OF THE UTILITY MODEL
The utility model provides an anti-collision structure and a heading machine, which are used for solving the problem that when a cutting part of the heading machine in the prior art is bedded at a left limit position and a right limit position, the cutting part and a shovel plate part collide with each other.
The utility model provides an anti-collision structure, which is suitable for being applied to a heading machine, wherein the heading machine comprises a shovel plate part and a cutting part, a chute is formed on the shovel plate part, and the anti-collision structure comprises:
the anti-collision cross beam is suitable for being connected with vertical plates on the shovel plate part and positioned on two sides of the chute;
the two ends of the anti-collision cross beam respectively extend to the outer side of the chute.
According to the anti-collision structure provided by the utility model, the anti-collision structure further comprises:
and the anti-collision backing plate is suitable for being fixedly arranged on one side of the cutting part close to the shovel plate part.
According to the anti-collision structure provided by the utility model, the anti-collision structure further comprises:
the fixed cross beam is suitable for being fixedly connected with vertical plates on the shovel plate part and positioned on two sides of the chute respectively;
the anti-collision beam is detachably connected with the fixed beam through the mounting assembly.
According to an anti-collision structure provided by the present invention, the mounting assembly includes:
fixing a nut;
the fixing bolt penetrates through the anti-collision cross beam and the fixing cross beam and is in threaded connection with the fixing nut;
and the sleeve is sleeved on the outer side of the fixing bolt.
According to the anti-collision structure provided by the utility model, the upper side of the fixed cross beam forms an arc-shaped surface, and the arc-shaped surface is gradually bent towards one side close to the shovel plate part from the middle part to two ends.
According to the anti-collision structure provided by the utility model, the anti-collision crossbeam is provided with the first hidden groove, and the head of the fixing bolt is positioned in the first hidden groove.
According to the anti-collision structure provided by the utility model, the fixed cross beam is provided with a second hidden groove, and the fixed nut is positioned in the second hidden groove.
According to the anti-collision structure provided by the utility model, the height of the lower side of the anti-collision cross beam is less than or equal to the height of the material inlet on the shovel plate part.
The utility model also provides a heading machine which comprises a cutting part, a shovel plate part and the anti-collision structure, wherein the shovel plate part is provided with a chute, and the anti-collision structure is arranged between the cutting part and the shovel plate part.
The heading machine further comprises a cutting lifting oil cylinder and a shovel plate lifting oil cylinder, wherein the cutting lifting oil cylinder is connected with the cutting part, the shovel plate lifting oil cylinder is connected with the shovel plate part, sensors are respectively arranged in the cutting lifting oil cylinder and the shovel plate lifting oil cylinder, and the sensors are used for acquiring the strokes of the cutting lifting oil cylinder and the shovel plate lifting oil cylinder.
According to the anti-collision structure and the heading machine provided by the utility model, the anti-collision beam is arranged on the shovel plate part, so that the cutting part and the shovel plate can be prevented from directly colliding to damage the shovel plate, and the anti-collision beam can also play an anti-collision role when the cutting part bottoms at the left limit position and the right limit position because the two ends of the anti-collision beam respectively extend to the outer sides of the chute.
Further, the heading machine provided by the present invention has the advantages described above because it has the anti-collision structure described above.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a right side view of an anti-collision structure provided by the present invention applied to a heading machine;
fig. 2 is a front view of a blade portion in a heading machine in which a crash structure is assembled, according to the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is an enlarged view taken at I in FIG. 3;
figure 5 is a front view of the cutting unit in a heading machine in which the crash structure is assembled in accordance with the present invention;
fig. 6 is a front view of an anti-collision structure provided by the present invention applied to a heading machine;
figure 7 is a front elevation view of a heading machine of the type provided by the present invention with the cutting section lying in the right limit position with the crash structure assembled therein;
FIG. 8 is an enlarged view taken at II in FIG. 7;
figure 9 is a front elevation view of a heading machine of the type provided by the present invention with the cutting section lying in the left extreme position with the crash barrier structure assembled in the heading machine;
figure 10 is a side elevation view of the roadheader of the utility model with the cutting section in the right limit position with the crash structure assembled therein;
FIG. 11 is an enlarged view taken at III of FIG. 10;
fig. 12 is a structural schematic view of a mounting position of a collision preventing beam in a collision preventing structure according to the present invention;
reference numerals:
1. a cutter head body; 2. a cantilever section; 3. cutting a speed reducer; 4. a cutting motor; 5. a turntable; 6. a shovel plate portion; 7. an anti-collision beam; 8. fixing the bolt; 9. a sleeve; 10. fixing the cross beam; 11. a gasket; 12. fixing a nut; 13. an anti-collision backing plate; 14. cutting and lifting the oil cylinder; 15. a shovel plate lifting oil cylinder; 16. a right vertical plate; 17. a left vertical plate; 18. a body; 19. and (4) material inlet.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like 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 embodiments of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The following describes the anti-collision structure according to the embodiment of the present invention with reference to fig. 1 to 12, where the anti-collision structure according to the embodiment of the present invention is suitable for being installed on a heading machine, the heading machine includes a shovel portion 6 and a cutting portion, and the shovel portion 6 of the heading machine is formed with a chute, and when the cutting portion is in a bottom-lying position, the chute is likely to collide with a left vertical plate 17 and a right vertical plate 16 of the chute. After the anti-collision structure provided by the embodiment of the utility model is arranged on the heading machine, the damage caused by direct collision of the cutting part of the heading machine and the shovel plate part 6 can be avoided.
According to the embodiment of the utility model, the anti-collision structure comprises the anti-collision cross beam 7, one side of the anti-collision cross beam 7 is suitable for being connected with the vertical plates on the two sides of the chute on the shovel plate part 6, and particularly, the anti-collision cross beam 7 can be detachably connected with the left vertical plate 17 and the right vertical plate 16 of the chute, the upper side of the anti-collision cross beam 7 is higher than the heights of the left vertical plate 17 and the right vertical plate 16, when the cutting part is too close to the shovel plate part 6, the anti-collision cross beam 7 can play a supporting role, and the bottom of the cutting part is prevented from being in direct contact with the shovel plate part 6. The both ends of anticollision crossbeam 7 extend to the outside of chute respectively, and when the bottom of a bed state of extreme position about the cutting unit was in, anticollision effect still can be played to anticollision crossbeam 7, realizes more comprehensive protection.
Optionally, the height H of the lower side of the anti-collision beam 7 is smaller than or equal to the height H of the material inlet 19 on the shovel plate part 6, so that large-size gravel materials are crushed at the position of the anti-collision beam 7, and the influence on the output of the materials due to blockage of a material output port is avoided. The device is beneficial to improving the material output capacity, avoids shutdown maintenance and greatly improves the production efficiency.
In some embodiments of the utility model, the anti-collision structure further comprises an anti-collision backing plate 13 (see fig. 5) adapted to be fixedly mounted on a side of the cutting unit close to the blade portion 6, and may be disposed at the bottom of the cutting motor 4. Therefore, the anti-collision beam 7 can be prevented from directly colliding with the cutting part, and the purpose of protecting the cutting part is achieved.
In some embodiments of the present invention, the anti-collision structure further includes a fixing cross beam 10 and a mounting assembly, wherein the fixing cross beam 10 is adapted to be fixedly connected to vertical plates on the shovel plate portion 6 located at two sides of the chute, and may be fixed by welding one end of the fixing cross beam to the left vertical plate 17 and welding the other end of the fixing cross beam to the right vertical plate 16. Through setting up fixed cross beam 10, can strengthen the intensity of structure, can also provide the condition for the installation of crashproof crossbeam 7. Anticollision crossbeam 7 can be dismantled with fixed cross beam 10 through the installation component and be connected, when anticollision crossbeam 7 used for a long time and takes place to damage, is convenient for carry out the dismouting to anticollision crossbeam 7 and changes.
Optionally, the mounting assembly comprises a fixing nut 12, a sleeve 9 and a fixing bolt 8. The fixing bolt 8 penetrates through the anti-collision cross beam 7 and the fixing cross beam 10 simultaneously and is in threaded connection with the fixing nut 12, and the anti-collision cross beam 7 and the fixing cross beam 10 are connected and fixed. The number of the mounting assemblies can be more than two, and the mounting assemblies are arranged at intervals along the length direction of the fixed cross beam 10 so as to increase the mounting firmness of the anti-collision cross beam 7.
The sleeve 9 can adopt a steel pipe structure, and the sleeve 9 is sleeved on the outer side of the fixing bolt 8 and can protect the fixing bolt 8. Specifically, when the anti-collision beam 7 is acted by a cutting part or a material to enable the fixing bolt 8 to bear tangential stress, the sleeve 9 can improve the shearing resistance of the fixing bolt 8 and prevent the fixing bolt 8 from being broken in the long-term use process.
Optionally, the upper side of the fixed cross beam 10 forms an arc-shaped surface, the arc-shaped surface is gradually bent from the middle to two ends to one side close to the shovel plate part 6, when the cutting part is in a bottom-lying state and moves to the left limit position and the right limit position, the arc-shaped surface structure of the fixed cross beam 10 can avoid the rotation of the cutting part, and the safety of the rotary action is ensured.
Optionally, be provided with the first groove of hiding on crashproof crossbeam 7, the first groove of hiding is ladder groove structure, and fixing bolt 8's head is located the first inslot of hiding, plays the effect of protecting fixing bolt 8, avoids fixing bolt 8 wearing and tearing to can avoid fixing bolt 8 not hard up under the effect of material.
Optionally, a second hidden groove is formed in the fixed cross beam 10, the second hidden groove is of a stepped groove structure, and the fixing nut 12 is located in the second hidden groove, so that the fixing nut 12 is protected, and abrasion of the fixing nut 12 is avoided.
Optionally, a second hidden slot forms a lateral opening in the fixed cross member 10 to facilitate placement of the fixing nut 12 into the second hidden slot.
Optionally, the opening position of at least one of the first hidden groove and the second hidden groove is fixedly inserted with a plugging piece, so that materials can be prevented from entering the first hidden groove or the second hidden groove.
In some embodiments of the present invention, the mounting assembly further includes a washer 11, and the washer 11 is disposed between the fixing nut 12 and the bottom of the first hidden groove, so as to increase the contact area, reduce the pressure, and prevent the loosening.
In some embodiments of the present invention there is also provided a heading machine comprising a cutting section, a blade section 6 and an anti-collision structure as described above. The cutting part comprises a cutting head body 1, a cantilever section 2, a cutting speed reducer 3 and a cutting motor 4, the cutting head body 1 is fixedly connected with the cantilever section 2, the cantilever section 2 is connected with an output shaft of the cutting speed reducer 3, an input shaft of the cutting speed reducer 3 is connected with an output shaft of the cutting motor 4, and the cutting motor 4 can drive the cutting head body 1 to axially rotate when in operation. The cutting part is arranged on the rotary table 5, a rotary bearing is arranged in the rotary table 5, and the rotary table 5 can drive the cutting part to swing left and right when rotating. The shovel plate part 6 is provided with a chute, and the anti-collision structure is arranged between the cutting part and the shovel plate part 6. The arc-shaped surface of the fixed cross beam 10 can prevent the rotary table 5 from colliding with the anti-collision cross beam 7 to influence the rotary table 5, and the safety of the rotary action is guaranteed.
Optionally, the heading machine further includes a cutting lifting cylinder 14 and a blade lifting cylinder 15, the cutting lifting cylinder 14 is connected to the cutting unit and the revolving platform 5 through a pin, the blade lifting cylinder 15 is connected to the blade unit 6 and the body 18 of the heading machine through a pin, sensors are respectively disposed in the cutting lifting cylinder 14 and the blade lifting cylinder 15, and the sensors are used for obtaining the strokes of the cutting lifting cylinder 14 and the blade lifting cylinder 15. The sensor is connected with a control system of the heading machine, so that the operation of the cutting lifting oil cylinder 14 and the shovel plate lifting oil cylinder 15 can be controlled conveniently according to the detection signal of the sensor, the descending amplitude of the cutting part and the lifting amplitude of the shovel plate part 6 are controlled, and the collision between the cutting part and the shovel plate part 6 is avoided.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an anticollision structure, its characterized in that, anticollision structure is suitable for and uses on the entry driving machine, the entry driving machine includes shovel board portion and cutting units, be formed with the chute on the shovel board portion, anticollision structure includes:
the anti-collision cross beam is suitable for being connected with vertical plates on the shovel plate part and positioned on two sides of the chute;
the two ends of the anti-collision cross beam respectively extend to the outer side of the chute.
2. The collision avoidance structure of claim 1, further comprising:
and the anti-collision backing plate is suitable for being fixedly arranged on one side of the cutting part close to the shovel plate part.
3. The collision prevention structure according to claim 1, further comprising:
the fixed cross beam is suitable for being fixedly connected with vertical plates on the shovel plate part and positioned on two sides of the chute respectively;
the anti-collision beam is detachably connected with the fixed beam through the mounting assembly.
4. The collision avoidance structure of claim 3, wherein the mounting assembly comprises:
fixing a nut;
the fixing bolt penetrates through the anti-collision cross beam and the fixing cross beam and is in threaded connection with the fixing nut;
and the sleeve is sleeved on the outer side of the fixing bolt.
5. The collision preventing structure according to claim 4, wherein the upper side of the fixed beam forms an arc-shaped surface which is gradually curved from a middle portion to both ends toward a side close to the shovel plate portion.
6. The structure of claim 5, wherein the anti-collision beam is provided with a first hidden slot, and the head of the fixing bolt is located in the first hidden slot.
7. The collision prevention structure according to claim 5 or 6, wherein a second hidden groove is provided on the fixing beam, and the fixing nut is located in the second hidden groove.
8. The collision prevention structure according to claim 1, wherein a height of an underside of the collision beam is less than or equal to a height of a material inlet on the blade portion.
9. A heading machine, characterized by comprising a cutting part, a shovel plate part and the anti-collision structure according to any one of claims 1-8, wherein the shovel plate part is provided with a chute, and the anti-collision structure is arranged between the cutting part and the shovel plate part.
10. The heading machine according to claim 9, further comprising a cutting lifting cylinder and a blade lifting cylinder, wherein the cutting lifting cylinder is connected to the cutting unit, the blade lifting cylinder is connected to the blade unit, sensors are respectively disposed in the cutting lifting cylinder and the blade lifting cylinder, and the sensors are used for acquiring the strokes of the cutting lifting cylinder and the blade lifting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220394689.0U CN216866677U (en) | 2022-02-25 | 2022-02-25 | Anti-collision structure and heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220394689.0U CN216866677U (en) | 2022-02-25 | 2022-02-25 | Anti-collision structure and heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216866677U true CN216866677U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220394689.0U Active CN216866677U (en) | 2022-02-25 | 2022-02-25 | Anti-collision structure and heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216866677U (en) |
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2022
- 2022-02-25 CN CN202220394689.0U patent/CN216866677U/en active Active
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