CN219974489U - Fixed pick-shaped coal cutting pick - Google Patents
Fixed pick-shaped coal cutting pick Download PDFInfo
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- CN219974489U CN219974489U CN202321443268.3U CN202321443268U CN219974489U CN 219974489 U CN219974489 U CN 219974489U CN 202321443268 U CN202321443268 U CN 202321443268U CN 219974489 U CN219974489 U CN 219974489U
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- pick
- plates
- fixedly connected
- thread groove
- tooth handle
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- 239000003245 coal Substances 0.000 title claims abstract description 37
- 238000005520 cutting process Methods 0.000 title claims description 11
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 3
- 229910045601 alloy Inorganic materials 0.000 description 12
- 239000000956 alloy Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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Abstract
The utility model relates to a fixed pick-shaped coal pick, which comprises a pick handle, wherein a connecting sleeve is arranged at the top of the pick handle, a pick-shaped coal pick body is fixedly connected to the top surface of the connecting sleeve, a first thread groove is formed in the outer peripheral wall of the pick handle, a second thread groove is formed in the inner peripheral wall of the connecting sleeve, the first thread groove extends to the inside of the second thread groove, fixing rods are arranged on the left side surface and the right side surface of the pick handle, fixing holes are formed in the left side surface and the right side surface of the pick handle, and the two fixing rods extend to the inside of the two fixing holes respectively. This fixed pick type coal pick, through the threaded connection between first thread groove and the second thread groove, convenient is connected pick type coal pick body and tooth handle, makes things convenient for the staff to dismantle it, through clearance fit between dead lever and the fixed orifices, restricts the tooth handle, improves the stability of tooth handle, supports the dead lever under the effect through the spring, improves the stability of bracing piece.
Description
Technical Field
The utility model relates to the technical field of coal mine collection, in particular to a fixed pick-shaped coal cutting pick.
Background
The cutting pick of the coal mining machine is a main tool for coal dropping and coal crushing, the performance of the cutting pick directly influences the production capacity of the coal mining machine, the power consumption, the working stability and the service life of other related parts, the cutting pick is of various types, and a hard alloy cutter head is inlaid on a low alloy structural steel cutter body which is subjected to quenching and tempering treatment in a general structure.
Chinese patent CN203961976U discloses a fixed pick-shaped coal pick, and this patent discloses a technical scheme for prolonging the service time of the coal pick, which solves the problem that the wear resistance of the existing coal pick is determined by the strength of the alloy head, but in actual work, the conical tooth seat of the pick is always worn under the condition that the alloy head is complete.
However, when the device is in use, after the alloy head and the conical tooth seat are worn and damaged, the alloy head and the conical tooth seat are required to be replaced, but the alloy head and the conical tooth seat are usually fixedly connected with the tooth handle, so that workers are inconvenient to replace the alloy head and the conical tooth seat, the whole pick-shaped coal cutting pick is required to be replaced, and the use cost is increased, so that the fixed pick-shaped coal cutting pick is provided for solving the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a fixed pick-shaped coal cutting pick which has the advantage of convenient disassembly and assembly, and solves the problems that when the device is used, after an alloy head and a conical tooth seat are worn and damaged, the alloy head, the conical tooth seat and a tooth handle are required to be replaced, but the alloy head, the conical tooth seat and the tooth handle are generally integrally formed, so that a worker is inconvenient to replace the alloy head, the conical tooth seat and the tooth handle, the whole needs to be replaced, and the use cost is increased.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fixed pick type coal pick, includes the tooth handle, the adapter sleeve has been placed at the top of tooth handle, the top surface fixedly connected with pick type coal pick body of adapter sleeve.
The first thread groove has been seted up to the periphery wall of tooth handle, the second thread groove has been seted up to the inner peripheral wall of adapter sleeve, first thread groove extends to the inside of second thread groove, the dead lever has all been placed to the left surface and the right flank of tooth handle, the fixed orifices has all been seted up to the left surface and the right flank of tooth handle, two the dead lever extends to the inside of two fixed orificess respectively.
And the connecting sleeve is provided with a supporting component for supporting the fixing rod.
The connecting sleeve is provided with a moving assembly for driving the fixed rod to move.
Further, the shape of adapter sleeve is inside cavity and bottom surface missing cylinder, first thread groove and second thread groove threaded connection.
Further, the two fixing rods are respectively in clearance fit with the two fixing holes.
Further, the supporting component is including the backup pad that is two in quantity, two the equal fixed connection of backup pad is on the bottom surface of adapter sleeve, two the equal fixedly connected with slide rail of top surface of backup pad, two the equal sliding connection of slide rail has the slider, two the equal fixedly connected with movable plate of top surface of slider, the movable plate respectively with two dead lever fixed connection, two the equal fixedly connected with limiting plate of a side that the slide rail is relative, two the equal fixedly connected with telescopic link of a side that the backup pad is relative, telescopic link and movable plate fixed connection, two the equal cover of peripheral wall of telescopic link is equipped with the spring with backup pad and movable plate fixed connection respectively.
Further, two the backup pad is L template and relative distribution, limiting plate and backup pad fixed connection, two the backup pad is bilateral symmetry and distributes with the tooth handle as the center.
Further, the telescopic link comprises cover storehouse and motion pole, and motion pole one end runs through and extends to the inside in cover storehouse, and the outside fixedly connected with of motion pole is located the inside limiting block in cover storehouse, and the through-hole with motion pole looks adaptation has been seted up to one side in cover storehouse.
Further, remove the subassembly including the pulling plate that quantity is two, two the pulling plate is placed respectively on the side that tooth handle was kept away from to two backup pads, two the equal fixedly connected with one side that the pulling plate is relative runs through the backup pad and extends to the connecting rod on the moving plate, two the connecting hole has all been seted up in the backup pad, two the connecting rod runs through two connecting holes respectively, two the spacing hole that quantity is two has all been seted up in the backup pad, two the equal fixedly connected with quantity of one side that the pulling plate is relative is two and one end extends to spacing downthehole gag lever post.
Further, connecting rod and movable plate fixed connection, two the connecting rod respectively with two connecting hole clearance fit, gag lever post and spacing hole clearance fit.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
1. this fixed pick type coal pick, through the threaded connection between first thread groove and the second thread groove, convenient is connected pick type coal pick body and tooth handle, makes things convenient for the staff to dismantle it, through clearance fit between dead lever and the fixed orifices, restricts the tooth handle, improves the stability of tooth handle, supports the dead lever under the effect of spring, improves the stability of bracing piece;
2. this fixed pick type coal pick supports the movable plate through sliding connection between slide rail and the slider, improves the stability of movable plate, and under the effect through the connecting rod, convenient drive movable plate removes, makes things convenient for the staff to operate, simultaneously, through the clearance fit between gag lever post and the spacing hole, restricts the arm-tie, improves the stability of connecting rod.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;
fig. 3 is a schematic front view of the structure of the present utility model.
In the figure: 1 tooth handle, 2 backup pad, 3 adapter sleeves, 4 first screw thread grooves, 5 second screw thread grooves, 6 pick type coal pick bodies, 7 fixed orifices, 8 movable plates, 9 connecting rods, 10 connecting holes, 11 spacing holes, 12 spacing rods, 13 pull plates, 14 telescopic rods, 15 springs, 16 slide rails, 17 sliding blocks, 18 spacing plates and 19 fixed rods.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one: referring to fig. 1-3, a fixed pick-shaped coal pick in this embodiment includes a handle 1, a connecting sleeve 3 is disposed at the top of the handle 1, and a pick-shaped coal pick body 6 is fixedly connected to the top surface of the connecting sleeve 3.
The first thread groove 4 has been seted up to tooth handle 1's periphery wall, and second thread groove 5 has been seted up to adapter sleeve 3's inner peripheral wall, and first thread groove 4 extends to the inside of second thread groove 5, dead lever 19 has all been placed to tooth handle 1's left surface and right flank, and dead hole 7 has all been seted up to tooth handle 1's left surface and right flank, and two dead levers 19 extend to the inside of two dead holes 7 respectively.
The connecting sleeve 3 is a cylinder with hollow inside and missing bottom surface, the first thread groove 4 and the second thread groove 5 are in threaded connection, and the two fixing rods 19 are respectively in clearance fit with the two fixing holes 7.
It should be noted that, the tooth handle 1 and the pick-shaped coal pick body 6 are conventional devices known to the public in the prior art, and specific structures and working principles thereof are not described herein.
Specifically, the tooth handle 1 is rotated, the tooth handle 1 enters into the inside of the connecting sleeve 3, the connecting sleeve 3 and the tooth handle 1 are fixed through threaded connection between the first threaded groove 4 and the second threaded groove 5, the fixing rod 19 is inserted into the fixing hole 7, the tooth handle 1 is limited through clearance fit between the fixing rod 19 and the fixing hole 7, and the tooth handle 1 and the pick-shaped coal cutting pick body 6 are connected.
Embodiment two: referring to fig. 1-3, on the basis of the first embodiment, a supporting assembly is disposed on a connecting sleeve 3, the supporting assembly includes two supporting plates 2, the two supporting plates 2 are fixedly connected to the bottom surface of the connecting sleeve 3, the top surfaces of the two supporting plates 2 are fixedly connected with sliding rails 16, the two sliding rails 16 are fixedly connected with sliding blocks 17, the top surfaces of the two sliding blocks 17 are fixedly connected with a moving plate 8, the moving plate 8 is fixedly connected with two fixing rods 19 respectively, a side surface opposite to the two sliding rails 16 is fixedly connected with a limiting plate 18, one side surface opposite to the two supporting plates 2 is fixedly connected with a telescopic rod 14, the telescopic rod 14 is fixedly connected with the moving plate 8, and springs 15 fixedly connected with the supporting plates 2 and the moving plate 8 are respectively sleeved on the peripheral walls of the two telescopic rods 14.
Wherein, two backup pad 2 are L template and relative distribution, limiting plate 18 and backup pad 2 fixed connection, and two backup pads 2 are bilateral symmetry and are distributed about taking tooth handle 1 as the center, and telescopic link 14 comprises cover storehouse and motion pole, and motion pole one end runs through and extends to the inside in cover storehouse, and the outside fixedly connected with of motion pole is located the inside limiting block in cover storehouse, and the through-hole with motion pole looks adaptation has been seted up to one side in cover storehouse.
Specifically, the movable plate 8 moves, extrudes the telescopic rod 14 and the spring 15, so that the telescopic rod 14 and the spring 15 shrink, the movable plate 8 is supported through sliding connection between the sliding rail 16 and the sliding block 17, stability of the movable plate 8 is improved, the movable plate 8 drives the fixed rod 19 to move, after the connecting sleeve 3 is connected with the tooth handle 1, the fixed rod 19 is pushed to reset through elasticity of the spring 15, and the fixed rod 19 is inserted into the fixed hole 7.
Embodiment III: referring to fig. 1-3, on the basis of the first embodiment and the second embodiment, the connecting sleeve 3 is provided with a moving assembly, the moving assembly includes two pull plates 13, the two pull plates 13 are respectively placed on one side surface of the two support plates 2 far away from the tooth handle 1, one opposite side surface of the two pull plates 13 is fixedly connected with a connecting rod 9, one end of which penetrates through the support plates 2 and extends to the moving plate 8, the two support plates 2 are provided with connecting holes 10, the two connecting rods 9 respectively penetrate through the two connecting holes 10, the two support plates 2 are provided with two limiting holes 11, and one opposite side surface of the two pull plates 13 is fixedly connected with two limiting rods 12, one end of which extends to the inside of the limiting holes 11.
Wherein, connecting rod 9 and movable plate 8 fixed connection, two connecting rods 9 respectively with two connecting hole 10 clearance fit, gag lever post 12 and spacing hole 11 clearance fit.
Specifically, pulling arm-tie 13 makes arm-tie 13 remove, and arm-tie 13 passes through connecting rod 9 and drives movable plate 8 and remove, supports connecting rod 9 through clearance fit between connecting rod 9 and the connecting hole 10, improves connecting rod 9's stability, drives arm-tie 13 through spring 15's elasticity and resets, arm-tie 13 and backup pad 2 laminating, and gag lever post 12 inserts into the inside in spacing hole 11, through clearance fit between gag lever post 12 and the spacing hole 11, fixes arm-tie 13.
The working principle of the embodiment is as follows:
pulling arm-tie 13 makes arm-tie 13 remove, arm-tie 13 passes through connecting rod 9 and drives movable plate 8 spare and remove, through clearance fit between connecting rod 9 and the connecting hole 10, support connecting rod 9, improve the stability of connecting rod 9, movable plate 8 removes, extrude telescopic link 14 and spring 15, make telescopic link 14 and spring 15 shrink, sliding connection through between slide rail 16 and slider 17 supports movable plate 8, improve the stability of movable plate 8, movable plate 8 drives dead lever 19 and removes, rotate tooth handle 1, tooth handle 1 enters into the inside of adapter sleeve 3, through threaded connection between first thread groove 4 and the second thread groove 5, fix between adapter sleeve 3 and the tooth handle 1, and then loosen arm-tie 13, elasticity through spring 15 promotes dead lever 19 to reset, dead lever 19 inserts into the inside of fixed orifices 7, through clearance fit between dead lever 19 and the fixed orifices 7, restrict tooth handle 1, arm-tie 13 and backup pad 2 insert into the inside of limiting hole 11, through clearance fit between limiting lever 12 and limiting hole 11, fix the tooth handle 1.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a fixed pick type coal pick, includes tooth handle (1), its characterized in that: a connecting sleeve (3) is arranged at the top of the tooth handle (1), and the top surface of the connecting sleeve (3) is fixedly connected with a pick-shaped coal cutting pick body (6);
the novel tooth handle comprises a tooth handle body, wherein a first thread groove (4) is formed in the outer peripheral wall of the tooth handle body (1), a second thread groove (5) is formed in the inner peripheral wall of a connecting sleeve (3), the first thread groove (4) extends to the inside of the second thread groove (5), fixing rods (19) are respectively arranged on the left side face and the right side face of the tooth handle body (1), fixing holes (7) are formed in the left side face and the right side face of the tooth handle body (1), and two fixing rods (19) extend to the inside of the two fixing holes (7) respectively;
the connecting sleeve (3) is provided with a supporting component, and the connecting sleeve (3) is provided with a moving component.
2. A fixed pick coal pick according to claim 1, wherein: the connecting sleeve (3) is in the shape of a cylinder with a hollow inside and a missing bottom surface, and the first thread groove (4) is in threaded connection with the second thread groove (5).
3. A fixed pick-shaped coal pick according to claim 2, wherein: the two fixing rods (19) are respectively in clearance fit with the two fixing holes (7).
4. A fixed pick coal pick according to claim 1, wherein: the support assembly comprises two support plates (2), two support plates (2) are fixedly connected to the bottom surface of a connecting sleeve (3), two support plates (2) are fixedly connected with sliding rails (16) on the top surface of the support plates (2), sliding blocks (17) are slidably connected to the sliding rails (16), moving plates (8) are fixedly connected to the top surfaces of the sliding blocks (17), two fixing rods (19) are fixedly connected to the moving plates (8) respectively, limiting plates (18) are fixedly connected to one side surface of each sliding rail (16), two telescopic rods (14) are fixedly connected to one side surface of each supporting plate (2), and springs (15) are fixedly connected to the supporting plates (2) and the moving plates (8) respectively.
5. A fixed pick coal pick in accordance with claim 4, wherein: the two supporting plates (2) are L-shaped plates and are distributed oppositely, the limiting plates (18) are fixedly connected with the supporting plates (2), and the two supporting plates (2) are distributed symmetrically left and right by taking the tooth handles (1) as the center.
6. A fixed pick coal pick in accordance with claim 5, wherein: the telescopic rod (14) is composed of a sleeve bin and a moving rod, one end of the moving rod penetrates through and extends to the inside of the sleeve bin, the outer side of the moving rod is fixedly connected with a limiting block located inside the sleeve bin, and a penetrating hole matched with the moving rod is formed in one side of the sleeve bin.
7. A fixed pick coal pick in accordance with claim 4, wherein: the movable assembly comprises two pull plates (13), wherein the two pull plates (13) are respectively placed on one side surface of the two support plates (2) away from the tooth handle (1), one side surface of the two pull plates (13) opposite to each other is fixedly connected with a connecting rod (9) with one end penetrating through the support plates (2) and extending to the movable plate (8), the two support plates (2) are respectively provided with a connecting hole (10), the two connecting rods (9) respectively penetrate through the two connecting holes (10), the two support plates (2) are respectively provided with two limiting holes (11), and one side surface of the two pull plates (13) opposite to each other is fixedly connected with two limiting rods (12) with one end extending to the inside of the limiting holes (11).
8. A fixed pick coal pick in accordance with claim 7, wherein: the connecting rods (9) are fixedly connected with the moving plate (8), the two connecting rods (9) are respectively in clearance fit with the two connecting holes (10), and the limiting rods (12) are in clearance fit with the limiting holes (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321443268.3U CN219974489U (en) | 2023-06-08 | 2023-06-08 | Fixed pick-shaped coal cutting pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321443268.3U CN219974489U (en) | 2023-06-08 | 2023-06-08 | Fixed pick-shaped coal cutting pick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219974489U true CN219974489U (en) | 2023-11-07 |
Family
ID=88590097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321443268.3U Active CN219974489U (en) | 2023-06-08 | 2023-06-08 | Fixed pick-shaped coal cutting pick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219974489U (en) |
-
2023
- 2023-06-08 CN CN202321443268.3U patent/CN219974489U/en active Active
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