CN214464190U - Drill bit maintenance device for coal mining - Google Patents
Drill bit maintenance device for coal mining Download PDFInfo
- Publication number
- CN214464190U CN214464190U CN202120148189.4U CN202120148189U CN214464190U CN 214464190 U CN214464190 U CN 214464190U CN 202120148189 U CN202120148189 U CN 202120148189U CN 214464190 U CN214464190 U CN 214464190U
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- China
- Prior art keywords
- fixedly connected
- drill bit
- base
- helical gear
- maintenance device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000012423 maintenance Methods 0.000 title claims abstract description 22
- 239000003245 coal Substances 0.000 title claims abstract description 18
- 238000005065 mining Methods 0.000 title claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000009412 basement excavation Methods 0.000 abstract description 5
- 230000002457 bidirectional effect Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
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Abstract
The utility model discloses a coal mine excavation drill bit maintenance device, this coal mine excavation drill bit maintenance device, including the base, the upper surface symmetry fixedly connected with first bracing piece of base, one end of two-way threaded rod passes one of them first bracing piece and extends outward, two screw threads opposite in screw thread direction are seted up to the surface of two-way threaded rod, and one side of two the screw thread piece is all fixedly connected with the connecting rod, the upper surface of base is seted up the dead slot, the lower fixed surface of rotary clamping mechanism is connected with the dwang, the surface fixed hub connection of dwang has first helical gear, one side that the second helical gear kept away from first helical gear is fixedly connected with the dead lever, the one end that the dwang extends outward is fixedly connected with the second circle piece; this drill bit maintenance device for coal mining can be quick grinds the maintenance, labour saving and time saving to the drill bit.
Description
Technical Field
The utility model relates to a colliery is excavated technical field, specifically is a colliery is excavated and is used drill bit maintenance device.
Background
Coal mine excavation is a necessary process of scientific and technological development and is also a huge project, various tools can be used in the excavation process to excavate coal mines under different conditions, wherein percussion drilling is the most common tool, so that a drill bit is particularly important;
the drill bit has to be maintained after being used, and sometimes the drill bit is damaged and passivated after being used, so that grinding maintenance is needed, but the grinding process is very complicated, and the grinding is very time-consuming and labor-consuming, so that the drill bit maintenance device for coal mining is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model discloses a colliery is excavated and is used drill bit maintenance device to solve the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a drill bit maintenance device for coal mining comprises a base, wherein first supporting rods are symmetrically and fixedly connected to the upper surface of the base, a bidirectional threaded rod is rotatably connected between the two first supporting rods, one end of the bidirectional threaded rod penetrates through one of the first supporting rods and extends outwards, a first round block is fixedly connected to the outward end of the bidirectional threaded rod, two threads with opposite thread directions are arranged on the outer surface of the bidirectional threaded rod, the two threads with opposite thread directions of the bidirectional threaded rod are in threaded connection with thread blocks, a second telescopic rod is fixedly connected between the two thread blocks and the two first supporting rods, two ends of the two second telescopic rods are respectively and fixedly connected to one side of the two thread blocks and one side of the two first supporting rods, a connecting rod is fixedly connected to one side of the two thread blocks, and a grinding block is fixedly connected to one side adjacent to the two connecting rods, the dead slot has been seted up to the upper surface of base, and the dead slot internal rotation is connected with rotation clamping mechanism, rotation clamping mechanism's lower fixed surface is connected with the dwang, and the lower surface of dwang rotates with the inner diapire of dead slot and is connected, the fixed cover of surface of dwang has first helical gear, and first helical gear meshing has the second helical gear, one side fixedly connected with dead lever of first helical gear is kept away from to the second helical gear, and the dead lever is kept away from the one end of second helical gear and is passed the surface of base and outwards extend, the outside one end fixedly connected with second circle piece that extends of dwang.
Preferably, the rotating and clamping mechanism comprises a rotating disc, the rotating disc is embedded in the base, the rotating disc is connected with the base in a rotating mode, four fixing blocks are symmetrically and fixedly connected to the upper surface of the rotating disc, a first telescopic rod and a clamping block are fixedly connected to one sides of the four fixing blocks, and the first telescopic rod is far away from one end of the fixing block.
Preferably, the outer surfaces of the four first telescopic rods are all sleeved with elastic pieces, and two ends of the four elastic pieces are respectively and fixedly connected to one side of the fixing block and one side of the clamping block.
Preferably, the four clamping blocks are arc-shaped, the four clamping blocks are spliced together to form a circle, and the lower surfaces of the four clamping blocks are connected with the rotating disc in a sliding mode.
Preferably, the lower surface of base is provided with four second bracing pieces, and four second bracing pieces are fixed connection respectively in four edges and corners of base lower surface.
Preferably, one side of the first round block and one side of the second round block are fixedly connected with a first rotating handle and a second rotating handle respectively, and the top of the grinding block is inclined.
The utility model discloses a colliery is excavated and is used drill bit maintenance device, its beneficial effect who possesses as follows:
1. this drill bit maintenance device for coal mine excavation can carry out effectual grinding to the drill bit through the cooperation of two-way threaded rod, grinding piece and rolling disc to unusual labour saving and time saving reaches the effect of quick grinding, greatly increased's work efficiency.
2. This drill bit maintenance device for coal mining, through the cooperation of fixed block, telescopic link, elastic component and clamp splice, can be to the effectual clamp of drill bit tightly, and the first circle piece and the second circle piece messenger that set up make more convenience in the pivoted.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of the internal structure of the empty groove of the base of the present invention;
fig. 4 is a schematic view of the structure of the rotating disc of the present invention.
In the figure: 1. a base; 101. a first support bar; 102. a bidirectional threaded rod; 103. a thread block; 104. a connecting rod; 105. grinding blocks; 106. a first round block; 107. a second support bar; 108. a first rotating handle; 109. a second round block; 2. rotating the disc; 201. a fixed block; 202. a first telescopic rod; 203. an elastic member; 204. a clamping block; 205. rotating the rod; 206. a first helical gear; 207. a second helical gear; 208. fixing the rod; 209. a second rotating handle; 3. and a second telescopic rod.
Detailed Description
The embodiment of the utility model discloses a drill bit maintenance device for coal mining, as shown in figures 1-4, comprising a base 1, wherein the lower surface of the base 1 is provided with four second support rods 107, the four second support rods 107 are respectively and fixedly connected at four edges of the lower surface of the base 1, the upper surface of the base 1 is symmetrically and fixedly connected with first support rods 101, two first support rods 101 are rotatably connected with a bidirectional threaded rod 102, one end of the bidirectional threaded rod 102 passes through one of the first support rods 101 and extends outwards, the outward extending end of the bidirectional threaded rod 102 is fixedly connected with a first round block 106, the outer surface of the bidirectional threaded rod 102 is provided with two threads with opposite thread directions, the two threads with opposite thread directions of the bidirectional threaded rod 102 are respectively and fixedly connected with a thread block 103, and a second telescopic rod 3 is respectively and fixedly connected between the two thread blocks 103 and the two first support rods 101, and both ends of the two second telescopic rods 3 are respectively and fixedly connected with one sides of the two thread blocks 103 and the two first supporting rods 101, one side of each of the two thread blocks 103 is fixedly connected with a connecting rod 104, and the adjacent sides of the two connecting rods 104 are fixedly connected with a grinding block 105, the upper surface of the base 1 is provided with a hollow groove, and a rotary clamping mechanism is rotationally connected in the empty groove, the rotary clamping mechanism comprises a rotary disc 2, the rotary disc 2 is embedded in the base 1, and the rotating disc 2 is rotationally connected with the base 1, four fixed blocks 201 are symmetrically and fixedly connected with the upper surface of the rotating disc 2, one side of each of the four fixing blocks 201 is fixedly connected with a first telescopic rod 202, one end of each of the four first telescopic rods 202 far away from the fixing block 201 is fixedly connected with a clamping block 204, the outer surfaces of the four first telescopic rods 202 are sleeved with elastic pieces 203, two ends of the four elastic pieces 203 are respectively and fixedly connected with one sides of the fixed block 201 and the clamping block 204;
the four clamping blocks 204 are arc-shaped, the four clamping blocks 204 are spliced together to form a circle, the lower surfaces of the four clamping blocks 204 are in sliding connection with the rotating disc 2, the lower surface of the rotating clamping mechanism is fixedly connected with a rotating rod 205, the lower surface of the rotating rod 205 is in rotating connection with the inner bottom wall of the empty groove, a first helical gear 206 is fixedly sleeved on the outer surface of the rotating rod 205, a second helical gear 207 is meshed with the first helical gear 206, a fixing rod 208 is fixedly connected to one side, away from the first helical gear 206, of the second helical gear 207, one end, away from the second helical gear 207, of the fixing rod 208 penetrates through the outer surface of the base 1 and extends outwards, a second round block 109 is fixedly connected to one end, extending outwards, a first rotating handle 108 and a second rotating handle 209 are fixedly connected to one sides of the first round block 106 and the second round block 109 respectively, and the top of the grinding block 105 is inclined.
The working principle is as follows: when the drill bit maintenance device for coal mining is used, a drill bit is firstly placed between four clamping blocks 204, the elastic pieces 203 are arranged between the four clamping blocks 204 and four fixing blocks 201, the clamping blocks 204 are firstly pulled apart, the elastic pieces 203 are compressed, then the drill bit is placed in, the elastic pieces 203 rebound to clamp the drill bit, then the first rotating handle 108 is rotated, the first rotating handle 108 is fixedly connected with the first round block 106, the first round block 106 can be rotated while the first rotating handle 108 is rotated, the bidirectional threaded rod 102 can also be rotated as the first round block 106 is fixedly connected with the bidirectional threaded rod 102, the bidirectional threaded rod 102 is in threaded connection with two threaded blocks 103, and the second telescopic rods 3 are fixedly connected between the two threaded blocks 103 and two first supporting rods 101, when the bidirectional threaded rod 102 rotates, the two threaded blocks 103 can move towards the middle, and the grinding blocks 105 are fixedly connected with the two threaded blocks 103, therefore, the grinding blocks 105 move towards the middle, so that the two grinding blocks 105 are attached to the drill, and then the second rotating handle 209 is rotated, and the second round block 109 is also rotated because the second rotating handle 209 is fixedly connected with the second round block 109;
because second circle piece 109 and second helical gear 207 fixed connection, and second helical gear 207 and the meshing of first helical gear 206, so rotate second commentaries on classics handle 209 and can drive first helical gear 206 and rotate together, because the fixed cover of first helical gear 206 is connected on dwang 205, and dwang 205 fixed connection is at the lower surface of rolling disc 2, so rotate second commentaries on classics handle 209 and can drive rolling disc 2 and rotate together, because the drill bit is pressed from both sides in the appearance on dwang 205, so the drill bit can rotate, grind, after using up with the same principle, rotate the first handle, make two grinding piece 105 and drill bit contactless, then upwards pull the drill bit, can take out the drill bit.
Claims (6)
1. The utility model provides a colliery is excavated with drill bit maintenance device, includes base (1), its characterized in that: the upper surface of the base (1) is symmetrically and fixedly connected with first supporting rods (101), two-way threaded rods (102) are rotatably connected between the two first supporting rods (101), one end of each two-way threaded rod (102) penetrates through one of the first supporting rods (101) and extends outwards, one end, extending outwards, of each two-way threaded rod (102) is fixedly connected with a first round block (106), two threads with opposite thread directions are arranged on the outer surface of each two-way threaded rod (102), each thread with opposite thread directions of each two-way threaded rod (102) is connected with a thread block (103) in a threaded manner, a second telescopic rod (3) is fixedly connected between each two thread blocks (103) and the two first supporting rods (101), two ends of each second telescopic rod (3) are respectively and fixedly connected to one side of each two thread blocks (103) and one side of each first supporting rod (101), and a connecting rod (104) is fixedly connected to one side of each two thread blocks (103), and two equal fixedly connected with in one side that connecting rod (104) are adjacent grind piece (105), the dead slot has been seted up to the upper surface of base (1), and the dead slot internal rotation is connected with and rotates clamping mechanism, the lower fixed surface of rotating clamping mechanism is connected with dwang (205), and the lower surface of dwang (205) rotates with the inner bottom wall of dead slot and is connected, the external fixed surface of dwang (205) has cup jointed first helical gear (206), and first helical gear (206) meshing has second helical gear (207), one side fixedly connected with dead lever (208) of first helical gear (206) are kept away from in second helical gear (207), and the one end that second helical gear (207) were kept away from in dead lever (208) passes the surface of base (1) and outwards extends, the one end fixedly connected with second circle piece (109) of dwang (205) outwards extending.
2. The coal mining drill bit maintenance device of claim 1, wherein: rotate clamping mechanism and include rolling disc (2), rolling disc (2) inlay the inside of establishing in base (1), and rolling disc (2) rotate with base (1) and be connected, four fixed blocks (201) of the upper surface symmetry fixedly connected with of rolling disc (2), and the equal fixedly connected with first telescopic link (202) in one side of four fixed blocks (201), four the equal fixedly connected with clamp splice (204) of one end of fixed block (201) is kept away from in first telescopic link (202).
3. The coal mining drill bit maintenance device of claim 2, wherein: the outer surfaces of the four first telescopic rods (202) are all sleeved with elastic pieces (203), and two ends of each elastic piece (203) are fixedly connected to one side of the fixing block (201) and one side of the clamping block (204) respectively.
4. The coal mining drill bit maintenance device of claim 2, wherein: the four clamping blocks (204) are arc-shaped, the four clamping blocks (204) are spliced together to form a circle, and the lower surfaces of the four clamping blocks (204) are connected with the rotating disc (2) in a sliding mode.
5. The coal mining drill bit maintenance device of claim 1, wherein: the lower surface of base (1) is provided with four second bracing pieces (107), and four second bracing pieces (107) are fixed connection respectively in four edges and corners of base (1) lower surface.
6. The coal mining drill bit maintenance device of claim 1, wherein: one side of the first round block (106) and one side of the second round block (109) are fixedly connected with a first rotating handle (108) and a second rotating handle (209) respectively, and the top of the grinding block (105) is arranged to be inclined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120148189.4U CN214464190U (en) | 2021-01-20 | 2021-01-20 | Drill bit maintenance device for coal mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120148189.4U CN214464190U (en) | 2021-01-20 | 2021-01-20 | Drill bit maintenance device for coal mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214464190U true CN214464190U (en) | 2021-10-22 |
Family
ID=78112577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120148189.4U Expired - Fee Related CN214464190U (en) | 2021-01-20 | 2021-01-20 | Drill bit maintenance device for coal mining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214464190U (en) |
-
2021
- 2021-01-20 CN CN202120148189.4U patent/CN214464190U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |