CN209736682U - underground coal mine track drilling machine - Google Patents
underground coal mine track drilling machine Download PDFInfo
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- CN209736682U CN209736682U CN201920158129.3U CN201920158129U CN209736682U CN 209736682 U CN209736682 U CN 209736682U CN 201920158129 U CN201920158129 U CN 201920158129U CN 209736682 U CN209736682 U CN 209736682U
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Abstract
The utility model provides a track drilling machine in a coal mine well, which comprises a drill bit, a driving component, a feeding component, a clamping component and a shaft sleeve component; the driving assembly comprises a pneumatic motor, a speed reducer in transmission connection with the pneumatic motor and a transmission shaft; the drill bit is fixedly connected with the transmission shaft; the feeding assembly comprises a feeding transmission support piece arranged in a speed reducer shell, a feeding gear shaft arranged on the shell and in meshed transmission with the feeding transmission support piece, and a feeding handle fixedly connected with the feeding gear shaft; the clamping assembly comprises a clamping frame, a positioning clamping plate, 2 connecting arms, 2 clamping arms, a clamping handle and an adjustable connecting piece; the shaft sleeve assembly comprises a sleeve body, a sealing ring and a cooling liquid interface. The utility model discloses portable light, satisfy colliery explosion-proof requirement in the pit and easy operation, labour saving and time saving when using can improve the efficiency of construction compared in the device of the same kind of prior art.
Description
Technical Field
the utility model relates to a track drilling equipment, concretely relates to colliery track drilling machine in pit.
Background
The underground coal mine track drilling machine and the internal combustion engine track drilling machine which are widely applied on the ground cannot be used in the underground coal mine environment because the underground coal mine equipment must meet the explosion-proof requirement, if the conventional electric track drilling machine and the conventional internal combustion engine track drilling machine are subjected to explosion-proof treatment according to the underground coal mine coal-proof standard requirement, the volume, the weight and the cost of the conventional electric track drilling machine and the conventional internal combustion engine track drilling machine are increased sharply, the due portable and portable use requirement of the track drilling machine is lost, and the cost is relatively high.
At present, a manual hydraulic hole extruding machine is basically used for underground drilling operation of a coal mine, the requirements of portability, lightness and explosion-proof working conditions can be met, the manual hydraulic hole extruding machine is adopted for hydraulic pressing, extruding and track punching and forming, the labor intensity is high, and the efficiency is extremely low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: aiming at the problems in the prior art, the underground coal mine track drilling machine is portable, convenient, simple in operation, time-saving and labor-saving when in use, and capable of meeting the underground coal mine explosion-proof requirement and improving the construction efficiency.
The technical scheme of the utility model is that: the utility model discloses a colliery track drilling machine in pit, including the drill bit, the drill bit is equipped with logical liquid hole and cutting edge, and its structural feature is: the device also comprises a driving assembly, a feeding assembly, a clamping assembly and a shaft sleeve assembly;
The driving assembly comprises a pneumatic motor, a speed reducer in transmission connection with the pneumatic motor and a transmission shaft; the transmission shaft is provided with a cooling liquid through hole along the axial lead thereof; the speed reducer is provided with a shell and a final gear, and the transmission shaft is in transmission connection with the final gear of the speed reducer and can move left and right relative to the final gear; the feeding assembly comprises a hollow feeding transmission support piece, a feeding gear shaft, a feeding handle, a thrust bearing and a second deep groove ball bearing, wherein the hollow feeding transmission support piece is arranged in a speed reducer shell and can move left and right, the left side and the right side of the hollow feeding transmission support piece are provided with openings, the feeding gear shaft is arranged on the shell and is in meshed transmission with the feeding transmission support piece, the feeding handle is arranged outside the shell and is fixedly connected with the outer end of the feeding gear shaft, the thrust bearing is fixedly connected with the transmission shaft and the inner wall of the hollow part of the feeding transmission support; the clamping assembly comprises a clamping frame fixedly connected with the shell of the speed reducer, 2 positioning clamping plates fixedly arranged on the front side and the rear side of the clamping frame, 2 connecting arms fixedly arranged at the upper end of the clamping frame, 2 clamping arms movably connected with the 2 connecting arms in a pin joint manner, a clamping handle movably connected with the 2 connecting arms in a pin joint manner, and adjustable connecting pieces respectively connected with the clamping handle and the 2 clamping arms in a pin joint manner; the shaft sleeve assembly comprises a hollow sleeve body, a sealing ring and a cooling liquid interface, wherein one end of the hollow sleeve body is open, the other end of the hollow sleeve body is closed, the open end of the hollow sleeve body is fixedly connected with the speed reducer shell, the sealing ring is arranged on the inner side of the open end of the sleeve body, and the cooling liquid interface is arranged on the closed end of the sleeve body in a sealing mode and communicated with the; the drill is fixedly arranged on the end head of the transmission shaft extending outwards from the clamping frame, and the cooling liquid interface, the hollow part of the sleeve body, the cooling liquid through hole of the transmission shaft and the liquid through hole of the drill form a liquid through channel for carrying out liquid cooling on the cutting edge of the drill.
The further scheme is as follows: the final stage gear of the speed reducer is provided with a pressing plate for mounting and fixing and a first deep groove ball bearing for supporting the final stage gear, and the final stage gear is fixedly connected with a shell of the speed reducer through a counter bore bolt by the pressing plate; the inner ring of the first deep groove ball bearing is fixedly connected with the outer ring of the final-stage gear, and the outer ring of the first deep groove ball bearing is fixedly connected with the inner wall of the speed reducer shell.
the further scheme is as follows: the first deep groove ball bearing is provided with a shaft check ring which is fixedly arranged on the outer ring of the final-stage gear and used for limiting the left and right movement of the first deep groove ball bearing; the transmission shaft is connected with a final gear of the speed reducer by a spline; 2 first deep groove ball bearings are arranged in parallel; the second deep groove ball bearings are arranged in the hollow part of the feeding transmission support part in a left-right mode, and the number of the second deep groove ball bearings is 2.
The further scheme is as follows: the adjustable connecting piece of the clamping assembly comprises a connecting rod, an adjusting hand wheel, a connecting rod pin shaft, a connecting fork, an elastic pin shaft and a connecting fork pin shaft; the connecting rod and the connecting rod pin shaft are provided with mutually matched threads, and the connecting rod is in threaded connection with the connecting rod pin shaft; the adjusting hand wheel is integrally arranged on the peripheral surface of the connecting rod; the connecting fork is an integral U-shaped piece integrally formed by 2 side plates and a bottom plate, a connecting rod through hole is formed in the bottom plate of the connecting fork, and the connecting rod penetrates through the connecting rod through hole in the bottom plate of the connecting fork and is then connected with the connecting fork through an elastic pin shaft in a pin joint mode; the connecting fork is movably connected with the lower part of the clamping handle through a connecting fork pin shaft.
The further scheme is as follows: the clamping frame is a plate body structural member provided with a through hole in the middle for the transmission shaft and the drill bit to pass through, the clamping frame is fixedly connected with the left end of the shell of the speed reducer through a bolt, and the drill bit mounting end of the transmission shaft and the drill bit extend out to the left after penetrating out of the through hole of the clamping frame.
The further scheme is as follows: the sleeve body of the shaft sleeve assembly is a hollow component with an opening at the left end and a closed right end, the hollow part of the sleeve body forms an installation space of the transmission shaft and a cooling liquid containing cavity of the sleeve body, the closed right end part of the sleeve body is provided with a liquid inlet hole which is communicated in the left-right direction along the axis of the transmission shaft, and the liquid inlet hole is communicated with the cooling liquid containing cavity of the sleeve body; the sealing ring is fixedly arranged on the left side of the hollow part of the sleeve body, and the sleeve body is fixedly connected with the right end surface of the lower part of the speed reducer from the left end of the sleeve body; the right part of the transmission shaft penetrates through the sealing ring and then is arranged in the hollow part of the sleeve body; the cooling liquid interface is matched with the liquid inlet hole of the sleeve body and is fixedly arranged on the sleeve body in a sealing way.
The further scheme is as follows: the drill bit is a drilling bit or a chamfering bit.
The utility model discloses has positive effect: the utility model discloses a colliery is track drilling machine in pit, it is through the design of overall structure, makes it can effectively satisfy colliery explosion-proof operating mode requirement in pit, and whole portable is light, only need switch on the air supply and promote the feed handle during the use can, convenient operation, labour saving and time saving, can improve work efficiency by a wide margin compared with prior art, and through the location cardboard of adjusting clamping components and changing, can conveniently punch, reaming and chamfer the operation to the track of different grade type and size, and the suitability is strong; moreover, the drilling drill bit and the chamfering drill bit are matched, so that the track can be subjected to drilling, reaming and chamfering construction, the machine is multipurpose, and the cost performance is high.
drawings
FIG. 1 is a schematic view of the present invention, partially in section, and showing the clamping relationship with the rail in use;
FIG. 2 is a schematic perspective view of the present invention, which also shows the clamping relationship with the rail when in use;
FIG. 3 is a schematic diagram of one configuration of the drill bit of FIG. 1;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a schematic view of another configuration of the drill bit of FIG. 1;
FIG. 7 is a schematic end view of the drilled rail;
Fig. 8 is a schematic structural view of the end face of the chamfered rail.
The reference numbers in the above figures are as follows:
The device comprises a driving assembly 1, a pneumatic motor 11, an air inlet nozzle 11-1, a speed reducer 12, a shell 12-1, a final gear 12-2, a pressure plate 12-3, a first deep groove ball bearing 12-4, a shaft retainer ring 12-5, a transmission shaft 13 and a cooling liquid through hole 13-1;
The feeding assembly 2, a feeding transmission support 21, a transmission tooth group 21-1, a feeding gear shaft 22, a feeding handle 23, a thrust bearing 24 and a second deep groove ball bearing 25;
The clamping device comprises a clamping component 3, a clamping frame 31, a positioning clamping plate 32, a connecting arm 33, a clamping arm 34, a clamping arm pin shaft 34-1, a clamping handle 35, a handle pin shaft 35-1, an adjustable connecting piece 36, a connecting rod 36-1, an adjusting hand wheel 36-2, a connecting rod pin shaft 36-3, a connecting fork 36-4 and an elastic pin shaft 36-5; a connecting fork pin shaft 36-6;
The shaft sleeve component 4, the sleeve body 41, the cooling liquid through hole 41-1, the cooling liquid containing cavity 41-2, the sealing ring 42 and the cooling liquid interface 43;
a drill bit 5, a liquid through hole 5-1 and a set screw 51;
A track 6.
Detailed Description
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
(example 1)
Referring to fig. 1 and 2, the underground coal mine rail drilling machine of the embodiment mainly comprises a driving assembly 1, a feeding assembly 2, a clamping assembly 3, a shaft sleeve assembly 4 and a drill bit 5.
The drive assembly 1 includes an air motor 11, a speed reducer 12, and a drive shaft 13.
the pneumatic motor 11 is a commercial product, the pneumatic motor 11 is provided with an air inlet nozzle 11-1 and an output shaft, the pneumatic motor 11 can adopt a gear type, vane type or turbine type pneumatic motor, and when the pneumatic motor 11 is used, the air inlet nozzle 11-1 of the pneumatic motor is connected with the existing compressed air under a coal mine through an air connecting pipe to serve as a power source so as to provide driving force. The speed reducer 12 has a housing 12-1, an input shaft and a final stage gear 12-2, the speed reducer 12 is a speed reducer provided with two-stage speed reduction gears, the housing 12-1 is a hollow housing, the housing 12-1 has a right part and a left part which are integrally connected, and the input shaft and the two-stage speed reduction gears including the final stage gear 12-2 are provided at the right part of the housing 12-1; the pneumatic motor 11 is fixed on the outer end face of the right side of the shell 12-1 of the speed reducer 12 through bolts, and the output shaft of the pneumatic motor 11 is in transmission connection with the input shaft of the speed reducer 12 through key connection; a final gear 12-1 of the speed reducer 12 is provided with a pressing plate 12-3 for installation and fixation, 2 first deep groove ball bearings 12-4 for support and a shaft check ring 12-5 for limiting the left and right movement of the 2 first deep groove ball bearings 12-4, and the final gear 12-1 is fixedly connected with the left right part of the shell 12-1 through the arranged pressing plate 12-3 by using a counter bore bolt; the inner ring of each 2 first deep groove ball bearings 12-4 is fixedly connected with the outer ring of the last-stage gear 12-1, the outer ring of each 2 first deep groove ball bearings 12-4 is fixedly connected with the inner wall of the hollow part at the left part of the shell 12-1 of the speed reducer 12, each 2 first deep groove ball bearings 12-4 can rotate along with the rotation of the last-stage gear 12-2, and each 2 first deep groove ball bearings 12-4 support the last-stage gear 12-2 by relying on the shell 12-1; the transmission shaft 13 is provided with a cooling liquid through hole 13-1 which is communicated left and right along the axial lead thereof, and a counter bore for mounting a drill bit is arranged at the drill bit mounting end of the transmission shaft 13, namely the left end in figure 1; the transmission shaft 13 is in transmission connection with an inner ring of the final stage gear 12-1 of the speed reducer 12 and can enable the transmission shaft 13 to move left and right relative to the final stage gear 12-1, in the embodiment, the connection mode of the transmission shaft 13 and the final stage gear 12-1 of the speed reducer 12 is preferably a spline connection, and the spline connection enables the transmission shaft 13 to follow the rotation of the final stage gear 12-1 and enables the transmission shaft 13 to move left and right relative to the final stage gear 12-1.
The feeding assembly 2 comprises a feeding transmission support 21, a feeding gear shaft 22, a feeding handle 23, a thrust bearing 24 and 2 second deep groove ball bearings 25;
The feeding transmission support 21 is a hollow component which is matched with the left hollow part of the shell 12-1 and is arranged in the left-right direction, the feeding transmission support 21 is movably arranged in the left hollow part of the shell 12-1, the upper part of the feeding transmission support 21 is provided with a transmission tooth group 21-1 (a plurality of teeth are arranged on the plane after the upper end of a hollow cylinder is cut into a plane to form the transmission tooth group), the outer peripheral surface of the inner side of the feeding gear shaft 22 is provided with transmission teeth matched with the transmission tooth group 21-1, the feeding gear shaft 22 is meshed with the transmission tooth group 21-1 arranged on the upper part of the feeding transmission support 22 by the transmission teeth, the outer end of the feeding gear shaft 22 is fixedly connected with a feeding handle 23 arranged outside the shell 12-1, so that by pushing the feed handle 23 to the right or to the left, the feed transmission support 21 can be moved to the left or to each right, respectively. The thrust bearing 24 is disposed in the hollow portion of the feeding transmission support member 21, the thrust bearing 24 is fixedly connected with the inner wall of the feeding transmission support member 21 by the outer ring thereof, the thrust bearing 24 is fixedly connected with the transmission shaft 13 by the inner ring thereof, and the thrust bearing 24 is used for transmitting the feeding force transmitted by the feeding handle 23 through the feeding gear shaft 22 and the feeding transmission support member 21 to the transmission shaft 13, so that the transmission shaft 13 can move leftwards (feeding) or rightwards (retreating). The left part and the right part of the hollow part of the feeding transmission support part 21 of the 2 second deep groove ball bearings 25 are respectively provided with 1, the 2 second deep groove ball bearings 25 are respectively fixedly connected with the inner wall of the feeding transmission support part 21 by the outer ring of the second deep groove ball bearings 25, the 2 second deep groove ball bearings 25 are respectively fixedly connected with the transmission shaft 13 by the inner ring of the second deep groove ball bearings, and the 2 second deep groove ball bearings 25 play a role in installing and supporting the transmission shaft 13; the thrust bearing 24 and the 2 second deep groove ball bearings 25 are both rotatable with the rotation of the transmission shaft 13, and the thrust bearing 24 and the 2 second deep groove ball bearings 25 and the transmission shaft 13 are movable in the left and right directions together with the feed transmission support 21.
The clamping assembly 3 comprises a clamping frame 31, a positioning clamping plate 32, a connecting arm 33, a clamping arm 34, a clamping handle 35 and an adjustable connecting piece 36; the clamp arm 34 is provided with a clamp arm pin 34-1, and the clamp handle 35 is provided with a handle pin 35-1.
The clamping frame 31 is a plate structure member provided with a through hole in the middle for the transmission shaft 13 and the drill to pass through, the clamping frame 31 is fixedly connected with the left end of the shell 12-1 of the speed reducer 12 through a bolt, the drill mounting end of the transmission shaft 13 extends out of the through hole of the clamping frame 31 and then extends out to the left, and the positioning clamping plates 32 are respectively and fixedly provided with 1 on the front side and the rear side of the lower end of the clamping frame 31; the number of the connecting arms 33 is 2, and the 2 connecting arms 33 are fixedly arranged at the upper end of the clamping frame 31 in front and back; the number of the clamping arms 34 is 2, 2 clamping arms 34 are arranged in front and back, the 2 clamping arms 34 are fixedly connected with each other, the 2 clamping arms 34 are arranged on the outer sides of the left ends of the 2 connecting arms 33 respectively, are in pin joint with the 2 connecting arms 33 through the matched clamping arm pin shafts 34-1 and can move by depending on the clamping arm pin shafts 34-1; the lower end of the clamping handle 35 is arranged between the inner sides of the left ends of the 2 connecting arms 33 and movably connected with the 2 connecting arms 33 through a handle pin shaft 35-1. The adjustable connecting piece 36 comprises a connecting rod 36-1, an adjusting hand wheel 36-2, a connecting rod pin shaft 36-3, a connecting fork 36-4, an elastic pin shaft 36-5 and a connecting fork pin shaft 36-6; the connecting rod 36-1 and the connecting rod pin shaft 36-3 are provided with mutually matched threads, and the connecting rod 36-1 is in threaded connection with the connecting rod pin shaft 36-3; the adjusting hand wheel 36-2 is integrally arranged on the peripheral surface of the connecting rod 36-1; the connecting fork 36-4 is an integral U-shaped piece integrally formed by 2 side plates and a bottom plate, a connecting rod through hole is formed in the bottom plate of the connecting fork 36-4, and the connecting rod 36-1 penetrates through the connecting rod through hole in the bottom plate of the connecting fork 36-4 and is then pinned by an elastic pin shaft 36-5; the connecting fork 36-4 is movably pinned with the lower part of the clamping handle 35 by a connecting fork pin shaft 36-6.
The shaft sleeve assembly 4 comprises a sleeve body 41, a sealing ring 42 and a cooling liquid interface 43; the sleeve body 41 is a hollow component with an opening at the left end and a closed right end, the hollow part of the sleeve body 41 forms an installation space of the transmission shaft 13 and a cooling liquid accommodating cavity 41-2 of the sleeve body 41, the closed right end part of the sleeve body 41 is provided with a liquid inlet hole 41-1 which is arranged in a penetrating way in the left-right direction along the axis of the transmission shaft 13, and the liquid inlet hole 41-1 is communicated with the cooling liquid accommodating cavity 41-2 of the sleeve body 41; the sealing ring 42 is fixedly arranged on the left side of the hollow part of the sleeve body 41, and the sleeve body 41 is fixedly connected with the right end surface of the lower part of the speed reducer 12 from the left end thereof; the right part of the transmission shaft 13 is arranged in the hollow part of the sleeve body 41 after penetrating through the sealing ring 42; the cooling liquid interface 43 is matched with the liquid inlet hole 41-1 of the sleeve body 41, sealed and fixed on the sleeve body 41, and the cooling liquid interface 43 is used for externally connecting cooling liquid such as water and the like under a coal mine when in use. The seal ring 42 prevents the coolant from entering the speed reducer 12.
the drill bit 5 is matched with a counter bore at the drill bit mounting end of the transmission shaft 13 and is fixedly connected with the transmission shaft 13 through a set screw 51, so that the drill bit 5 follows the transmission shaft 13; the drill bit 5 is provided with a liquid through hole 5-1; when the cooling device works, cooling liquid is transmitted to a cutting edge of the drill 5 through the cooling liquid interface 43, the liquid inlet hole 41-1 and the cooling liquid accommodating cavity 41-2 of the sleeve body 41, the cooling liquid through hole 13-1 of the transmission shaft 13 and the liquid through hole 5-1 of the drill 5, so that the temperature of the cutting edge is reduced. The drill 5 is provided with a drilling drill and a chamfering drill, the structure of the drilling drill is shown in figures 3 to 5, the structure of the chamfering drill is shown in figure 6, the drill 5 is a commercial product, and the structure is not described in detail.
The working process of the underground coal mine track drilling machine in the embodiment when in use is simple as follows:
When the underground coal mine track drilling machine is used, 2 positioning clamping plates 32 of a clamping assembly 3 are abutted against a track web of a track 6, a clamping handle 35 of the clamping assembly 3 is pressed towards the left lower side, the clamping handle 35 transmits clamping force to 2 clamping arms 34 of the clamping assembly 3 sequentially through a connecting fork pin shaft 36-6, a connecting fork 36-4, a connecting rod 36-1 and a connecting rod pin shaft 36-3 of an adjustable connecting piece 36, so that the 2 clamping arms 34 move towards the track web, and the 2 clamping arms 34 are matched with the 2 positioning clamping plates 32 to clamp the track 6; at this time, the feed handle 23 of the feed assembly 2 is pressed to the lower right, the pressing force is transmitted to the transmission shaft 13 through the feed gear shaft 22, the feed transmission support 21 and the thrust bearing 24, so that the transmission shaft 13 moves to the left, the leftward movement of the transmission shaft 13 causes the drill bit 5 fixed at the left end of the transmission shaft 13 to be in close contact with the rail web, at this time, the pneumatic motor 11 is ventilated to start the pneumatic motor 11, the pneumatic motor 11 drives the transmission shaft 13 to rotate through the speed reducer 12, the feed handle 23 is kept pressed to the lower right, the drill bit 5 continuously punches, reams or chamfers on the rail 6, after the punching, reaming or chamfers are completed, the feed handle 23 is pushed to the upper left, so that the drill bit 5 is withdrawn from the. When the drill bit works, cooling liquid is transmitted to a cutting edge of the drill bit 5 through the cooling liquid interface 43 of the shaft sleeve 4, the liquid inlet hole 41-1 and the cooling liquid accommodating cavity 41-2 of the sleeve body 41, the cooling liquid through hole 13-1 of the transmission shaft 13 and the liquid through hole 5-1 of the drill bit 5, so that the cutting edge of the drill bit 5 is cooled.
When the underground coal mine track drilling machine is used, aiming at tracks 6 of different types and sizes, the effective length of the connecting rod 36-1 can be adjusted by rotating the connecting rod 36-1 through the adjusting hand wheel 36-2 so as to adapt to the track type change of the tracks 6 and the change of the clamping force; the corresponding positioning cards 32 may be replaced to meet the clamping requirements for the rail 6.
the track drilled by the underground coal mine track drilling machine of the embodiment is shown in FIG. 7; the chamfered track is shown in figure 8.
the above embodiments are illustrative of the specific embodiments of the present invention, but not limiting to the present invention, and those skilled in the relevant art can also make various changes and modifications to obtain the equivalent technical solutions without departing from the spirit and scope of the present invention, so that all equivalent technical solutions should fall under the protection scope of the present invention.
Claims (7)
1. The utility model provides a colliery track drilling machine in pit, includes the drill bit, and the drill bit is equipped with logical liquid hole and cutting edge, its characterized in that: the device also comprises a driving assembly, a feeding assembly, a clamping assembly and a shaft sleeve assembly;
the driving assembly comprises a pneumatic motor, a speed reducer in transmission connection with the pneumatic motor and a transmission shaft; the transmission shaft is provided with a cooling liquid through hole along the axial lead thereof; the speed reducer is provided with a shell and a final gear, and the transmission shaft is in transmission connection with the final gear of the speed reducer and can move left and right relative to the final gear; the feeding assembly comprises a hollow feeding transmission support piece, a feeding gear shaft, a feeding handle, a thrust bearing and a second deep groove ball bearing, wherein the hollow feeding transmission support piece is arranged in the speed reducer shell and can move left and right, the left side and the right side of the hollow feeding transmission support piece are provided with openings, the feeding gear shaft is arranged on the shell and is in meshed transmission with the feeding transmission support piece, the feeding handle is arranged outside the shell and is fixedly connected with the outer end of the feeding gear shaft, the thrust bearing is fixedly connected with the transmission shaft and the inner wall of the hollow part of the feeding transmission support; the clamping assembly comprises a clamping frame fixedly connected with the speed reducer shell, 2 positioning clamping plates fixedly arranged on the front side and the rear side of the clamping frame, 2 connecting arms fixedly arranged at the upper end of the clamping frame, 2 clamping arms movably connected with the 2 connecting arms in a pin joint manner, a clamping handle movably connected with the 2 connecting arms in a pin joint manner, and adjustable connecting pieces respectively connected with the clamping handle and the 2 clamping arms in a pin joint manner; the shaft sleeve assembly comprises a hollow sleeve body, a sealing ring and a cooling liquid interface, wherein one end of the hollow sleeve body is open, the other end of the hollow sleeve body is closed, the open end of the hollow sleeve body is fixedly connected with the speed reducer shell, the sealing ring is arranged on the inner side of the open end of the sleeve body, and the cooling liquid interface is arranged on the closed end of the sleeve body in a sealing mode and communicated with the; the drill bit is fixedly arranged on the end head of the transmission shaft extending outwards from the clamping frame, and the cooling liquid interface, the hollow part of the sleeve body, the cooling liquid through hole of the transmission shaft and the liquid through hole of the drill bit form a liquid through channel for carrying out liquid cooling on the cutting edge of the drill bit.
2. The coal mine underground rail drilling machine according to claim 1, characterized in that: a pressure plate for mounting and fixing and a first deep groove ball bearing for supporting the final gear are arranged on the final gear of the speed reducer in a matching mode, and the final gear is fixedly connected with a shell of the speed reducer through a counter bore bolt through the pressure plate; the inner ring of the first deep groove ball bearing is fixedly connected with the outer ring of the final-stage gear, and the outer ring of the first deep groove ball bearing is fixedly connected with the inner wall of the speed reducer shell.
3. the underground coal mine track drilling machine according to claim 2, characterized in that: the first deep groove ball bearing is provided with a shaft check ring fixedly arranged on the outer ring of the final-stage gear and used for limiting the left-right movement of the first deep groove ball bearing; the transmission shaft is connected with a final gear of the speed reducer by a spline; 2 first deep groove ball bearings are arranged in parallel; and 2 second deep groove ball bearings are arranged in the hollow part of the feeding transmission support part in the left and right directions.
4. the underground coal mine track drilling machine according to any one of claims 1 to 3, characterized in that: the adjustable connecting piece of the clamping assembly comprises a connecting rod, an adjusting hand wheel, a connecting rod pin shaft, a connecting fork, an elastic pin shaft and a connecting fork pin shaft; the connecting rod and the connecting rod pin shaft are provided with mutually matched threads, and the connecting rod is in threaded connection with the connecting rod pin shaft; the adjusting hand wheel is integrally arranged on the peripheral surface of the connecting rod; the connecting fork is an integral U-shaped piece integrally formed by 2 side plates and a bottom plate, a connecting rod through hole is formed in the bottom plate of the connecting fork, and the connecting rod penetrates through the connecting rod through hole in the bottom plate of the connecting fork and is then connected with the connecting fork through an elastic pin shaft in a pin joint mode; the connecting fork is movably connected with the lower part of the clamping handle through a connecting fork pin shaft.
5. The coal mine underground rail drilling machine according to claim 1, characterized in that: the clamping frame is a plate body structural member provided with a through hole in the middle for the transmission shaft and the drill bit to pass through, the clamping frame is fixedly connected with the left end of the shell of the speed reducer through a bolt, and the drill bit mounting end of the transmission shaft and the drill bit extend out to the left after penetrating out of the through hole of the clamping frame.
6. the coal mine underground rail drilling machine according to claim 1, characterized in that: the sleeve body of the shaft sleeve assembly is a hollow component with an opening at the left end and a closed right end, the hollow part of the sleeve body forms an installation space of the transmission shaft and a cooling liquid containing cavity of the sleeve body, the closed right end part of the sleeve body is provided with a liquid inlet hole which is communicated in the left-right direction along the axis of the transmission shaft, and the liquid inlet hole is communicated with the cooling liquid containing cavity of the sleeve body; the sealing ring is fixedly arranged on the left side of the hollow part of the sleeve body, and the sleeve body is fixedly connected with the right end surface of the lower part of the speed reducer from the left end of the sleeve body; the right part of the transmission shaft penetrates through the sealing ring and then is arranged in the hollow part of the sleeve body; the cooling liquid interface is matched with the liquid inlet hole of the sleeve body and is fixedly arranged on the sleeve body in a sealing way.
7. The coal mine underground rail drilling machine according to claim 1, characterized in that: the drill bit is a drilling bit or a chamfering bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920158129.3U CN209736682U (en) | 2019-01-29 | 2019-01-29 | underground coal mine track drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920158129.3U CN209736682U (en) | 2019-01-29 | 2019-01-29 | underground coal mine track drilling machine |
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| Publication Number | Publication Date |
|---|---|
| CN209736682U true CN209736682U (en) | 2019-12-06 |
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ID=68708275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920158129.3U Active CN209736682U (en) | 2019-01-29 | 2019-01-29 | underground coal mine track drilling machine |
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| Country | Link |
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| CN (1) | CN209736682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940193A (en) * | 2019-01-29 | 2019-06-28 | 常州科研试制中心有限公司 | Underground rails of coal mine drilling machine |
-
2019
- 2019-01-29 CN CN201920158129.3U patent/CN209736682U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940193A (en) * | 2019-01-29 | 2019-06-28 | 常州科研试制中心有限公司 | Underground rails of coal mine drilling machine |
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