CN218117766U - Coal mining machine cutting device easy for triangular coal cutting - Google Patents
Coal mining machine cutting device easy for triangular coal cutting Download PDFInfo
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- CN218117766U CN218117766U CN202221640898.5U CN202221640898U CN218117766U CN 218117766 U CN218117766 U CN 218117766U CN 202221640898 U CN202221640898 U CN 202221640898U CN 218117766 U CN218117766 U CN 218117766U
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Abstract
The utility model relates to a coal-winning machine technical field discloses a coal-winning machine cutting device of easy triangle coal cut, including the device body, the device body includes spliced pole and pick head, protection machanism, including the mounting bracket, the bottom of spliced pole is located to the mounting bracket, the mounting groove has been seted up on the top of mounting bracket, the inside fixed mounting of mounting groove has compression spring. The utility model discloses a be equipped with the mounting bracket, the mounting groove, compression spring, movable plate and link, when adopting this kind of design to bring the use, pass through the screw with the through-hole that the mounting bracket passes through mounting panel and surface and install in the cutterhead outside, during the use when the spliced pole cutting triangle coal is regional with the rock wall contact, the pick head atress drives the spliced pole and kick-backs, the link drives the movable plate shrinkage and drives compression spring compression deformation this moment, through this kind of mode, carry out the shrink protection to the pick head, avoid the fracture that the pick head led to the fact with the rock wall contact.
Description
Technical Field
The utility model relates to a coal-winning machine technical field, more specifically relates to a coal-winning machine cutting device of easy triangle coal cut.
Background
The coal-winning machine is when tunneling the triangle coal region, very easy collides with to the cliff for the excavation pick takes place to force the collision, produces the fracture, influences the tunnelling effect, and most toothholders all weld on coal-winning machine cylinder or entry driving machine cutterhead, and the technology is complicated, and the installation is dismantled and is taken trouble hard, consequently needs to design a coal-winning machine cutting device of easy triangle coal cut urgent.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the utility model provides a coal-winning machine cutting device of easy triangle coal cutting to there is the coal-winning machine when tunneling the triangle coal region in solving above-mentioned background art, collide with to the cliff very easily, make the tunnelling pick take place to force the collision, the production fracture, influence tunnelling effect, and most toothholders all weld on coal-winning machine cylinder or entry driving machine cutterhead, the technology is complicated, the problem that trouble is hard is dismantled in the installation.
The utility model provides a following technical scheme: a coal cutter cutting device easy for cutting triangular coal comprises a device body, wherein the device body comprises a connecting column and a cutting pick head;
protection machanism, including the mounting bracket, the bottom of spliced pole is located to the mounting bracket, the mounting groove has been seted up on the top of mounting bracket, the inside fixed mounting of mounting groove has compression spring, compression spring's top fixed mounting has the movable plate, the top fixed mounting of movable plate has the link, the bottom of spliced pole extends to the inside of link, and when cutting the regional rock wall that meets of triangular coal, the pick head atress inwards contracts, and link and movable plate inwards move and drive compression spring compression deformation to let the pick head move to the mounting bracket is inside, avoid the fracture damage that the pick head and rock counterbalance caused.
Further, the even fixed mounting in the outside of mounting bracket has a plurality of mounting panels, the top of mounting panel has all run through and has seted up the through-hole, is convenient for be connected between through-hole on mounting panel and top and the cutterhead with the help of the screw, makes things convenient for the dismantlement in later stage to maintain.
Further, the top of mounting panel all fixed mounting have a set of boss, every group the quantity of boss all is two, every group the one end of boss all with the outside fixed connection of mounting bracket, promoted the stability of being connected between mounting panel and the mounting bracket to and antitorque effect.
Furthermore, the stabilizing groove has all been seted up to the both sides of mounting bracket, the inside of stabilizing groove all slidable mounting has the stabilizing block, one side of stabilizing block all with the outside fixed connection of movable plate, provide stably for movable plate and compression spring's removal, avoid the pick head wrench movement.
Further, the outside fixed mounting of mounting bracket has the fixed plate, and the quantity of fixed plate is two, two the top of fixed plate is all run through the screw thread activity and is installed the screw rod, the top of screw rod is fixed mounting all has the limiting plate, the limiting plate all is in same perpendicular line with the stabilizing block, and the convenient coefficient of resilience to the movable plate is adjusted.
Further, logical groove has been seted up to one side of link, the thread groove has been seted up in the outside of spliced pole, there is the double-screw bolt in the inside of thread groove through screw thread movable mounting, and the one end of double-screw bolt runs through logical groove and extend to the link outside, when spliced pole and pick hair take place wearing and tearing, the double-screw bolt rotation is held to the accessible, after the double-screw bolt no longer with spliced pole threaded connection, can take out and change spliced pole and pick head from the link, practiced thrift the change.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a be equipped with the mounting bracket, the mounting groove, compression spring, movable plate and link, when adopting this kind of design to bring the use, pass through the through-hole that passes through mounting panel and surface with the mounting bracket and pass through the screw and install in the cutterhead outside, during the use when spliced pole cutting triangle coal region with the rock wall contact, the pick head atress drives the spliced pole and kick-backs, the link drives the movable plate shrink and drives compression spring compression deformation this moment, through this kind of mode, carry out the shrink protection to the pick head, avoid the fracture that the contact of pick head and rock wall caused.
2. The utility model discloses when having brought the use, the screw rod was held to the accessible and rotates, and the screw rod drives the limiting plate and is the up-and-down motion this moment, after adjustment to a certain position, at the in-process that the movable plate removed, the stabilizing block offsets with the limiting plate, and through this kind of mode, the adjustable resilience distance of cutting the pick head.
Drawings
Fig. 1 is a perspective view of the structure explosion of the present invention.
Fig. 2 is a schematic structural section perspective view of the present invention.
Fig. 3 is a schematic perspective view of the structure of the present invention.
Fig. 4 is an exploded perspective view of the fixing plate structure of the present invention.
The reference signs are: 100. a device body; 110. a mounting frame; 111. connecting columns; 112. a pick head; 113. mounting grooves; 114. a compression spring; 115. moving the plate; 116. a connecting frame; 117. a thread groove; 118. a through groove; 119. a stud; 120. mounting a plate; 121. a reinforcing block; 122. a fixing plate; 123. a screw; 124. a limiting plate; 125. a stabilizing slot; 126. and (6) stabilizing the block.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.
The first embodiment is as follows: referring to fig. 1 to 4, the utility model provides a coal cutter cutting device for easily cutting triangular coal, which comprises a device body 100, wherein the device body 100 comprises a connecting column 111 and a cutting pick head 112;
protection machanism, including mounting bracket 110, mounting bracket 110 locates the bottom of spliced pole 111, mounting groove 113 has been seted up on the top of mounting bracket 110, the inside fixed mounting of mounting groove 113 has compression spring 114, compression spring 114's top fixed mounting has movable plate 115, the top fixed mounting of movable plate 115 has link 116, the bottom of spliced pole 111 extends to the inside of link 116, the even fixed mounting in outside of mounting bracket 110 has a plurality of mounting panels 120, the top of mounting panel 120 all runs through and has seted up the through-hole, the equal fixed mounting in top of mounting panel 120 has a set of boss 121, the quantity of every boss 121 all is two, the one end of every boss 121 all with the outside fixed connection of mounting bracket 110, logical groove 118 has been seted up to one side of link 116, thread groove 117 has been seted up in the outside of spliced pole 111, thread movable mounting has double-screw bolt 119 through screw thread movable mounting 117's inside, and the one end of double-screw bolt 119 runs through logical groove 118 and extends to the link 116 outside.
The embodiment of the utility model provides a theory of operation of one: during the use, pass through the through-hole on mounting bracket 110 and surface through the screw and install in the cutterhead outside, when using in the contact of spliced pole 111 when cutting the triangle coal region with the cliff, pick head 112 atress drives spliced pole 111 and kick-backs, and link 116 drives movable plate 115 shrink and drives compression spring 114 compression deformation this moment, through this kind of mode, contracts the protection to pick head 112, avoids the fracture that pick head 112 and cliff contact caused.
Example two:
the difference between the second embodiment and the first embodiment is that: stabilizing groove 125 has all been seted up to the both sides of mounting bracket 110, stabilizing groove 125's inside all slidable mounting has stabilizing block 126, stabilizing block 126's one side all with the outside fixed connection of moving plate 115, mounting bracket 110's outside fixed mounting has fixed plate 122, and the quantity of fixed plate 122 is two, the top of two fixed plates 122 all runs through the screw thread activity and installs screw rod 123, the equal fixed mounting in top of screw rod 123 has limiting plate 124, limiting plate 124 all is in same perpendicular line with stabilizing block 126, during the use, the screw rod 123 rotation is held to the accessible, screw rod 123 drives limiting plate 124 and is the up-and-down motion this moment, after adjusting to a constant position, at the in-process that moving plate 115 removed, stabilizing block 126 offsets with limiting plate 124, through this kind of mode, the resilience distance of adjustable cutting tooth head 112.
Claims (6)
1. A coal cutter cutting device easy for triangular coal cutting comprises a device body (100), and is characterized in that the device body (100) comprises a connecting column (111) and a cutting pick head (112);
protection machanism, including mounting bracket (110), the bottom of spliced pole (111) is located in mounting bracket (110), mounting groove (113) have been seted up on the top of mounting bracket (110), the inside fixed mounting of mounting groove (113) has compression spring (114), the top fixed mounting of compression spring (114) has movable plate (115), the top fixed mounting of movable plate (115) has link (116), the bottom of spliced pole (111) extends to the inside of link (116).
2. The cutting device of the coal mining machine easy for triangular coal cutting according to claim 1, characterized in that: the even fixed mounting in the outside of mounting bracket (110) has a plurality of mounting panels (120), the top of mounting panel (120) has all run through and has seted up the through-hole.
3. The cutting device of the coal mining machine easy for triangular coal cutting according to claim 2, characterized in that: the top of mounting panel (120) all fixed mounting have a set of boss (121), every group the quantity of boss (121) all is two, every group the one end of boss (121) all with the outside fixed connection of mounting bracket (110).
4. The cutting device of the coal mining machine easy for triangular coal cutting according to claim 1, characterized in that: stabilizing groove (125) have all been seted up to the both sides of mounting bracket (110), stabilizing groove (125) inside all slidable mounting has stabilizing block (126), one side of stabilizing block (126) all with the outside fixed connection of moving plate (115).
5. The cutting device of the coal mining machine easy for triangular coal cutting according to claim 4, characterized in that: the outside fixed mounting of mounting bracket (110) has fixed plate (122), and the quantity of fixed plate (122) is two, two the top of fixed plate (122) all runs through the screw thread activity and installs screw rod (123), the top of screw rod (123) all fixed mounting have limiting plate (124), limiting plate (124) all are in same perpendicular line with stabilizing piece (126).
6. The cutting device of the coal mining machine easy for triangular coal cutting according to claim 1, characterized in that: through groove (118) have been seted up to one side of link (116), thread groove (117) have been seted up in the outside of spliced pole (111), there is double-screw bolt (119) inside through screw thread movable mounting of thread groove (117), and the one end of double-screw bolt (119) runs through groove (118) and extends to the link (116) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221640898.5U CN218117766U (en) | 2022-06-28 | 2022-06-28 | Coal mining machine cutting device easy for triangular coal cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221640898.5U CN218117766U (en) | 2022-06-28 | 2022-06-28 | Coal mining machine cutting device easy for triangular coal cutting |
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| Publication Number | Publication Date |
|---|---|
| CN218117766U true CN218117766U (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221640898.5U Active CN218117766U (en) | 2022-06-28 | 2022-06-28 | Coal mining machine cutting device easy for triangular coal cutting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117552784A (en) * | 2024-01-11 | 2024-02-13 | 大同市同华矿机制造有限责任公司 | Cutting tool bit and cutting drum |
-
2022
- 2022-06-28 CN CN202221640898.5U patent/CN218117766U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117552784A (en) * | 2024-01-11 | 2024-02-13 | 大同市同华矿机制造有限责任公司 | Cutting tool bit and cutting drum |
| CN117552784B (en) * | 2024-01-11 | 2024-03-22 | 大同市同华矿机制造有限责任公司 | Cutting tool bit and cutting drum |
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