CN115325411A - Automatic screw tooth lubricating system for rotary drill and control method - Google Patents
Automatic screw tooth lubricating system for rotary drill and control method Download PDFInfo
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- CN115325411A CN115325411A CN202211027339.1A CN202211027339A CN115325411A CN 115325411 A CN115325411 A CN 115325411A CN 202211027339 A CN202211027339 A CN 202211027339A CN 115325411 A CN115325411 A CN 115325411A
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- 239000000314 lubricant Substances 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 15
- 238000005461 lubrication Methods 0.000 claims description 11
- 239000003921 oil Substances 0.000 claims description 8
- 239000004519 grease Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 6
- 239000003974 emollient agent Substances 0.000 abstract description 6
- 210000001503 joint Anatomy 0.000 abstract description 3
- 239000003973 paint Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N27/00—Proportioning devices
- F16N27/02—Gating equipment
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of a thread lubricating system, in particular to an automatic thread lubricating system for a rotary drill, which comprises: the lubricating pump assembly is arranged above the fixed support, an oil storage barrel is arranged inside the fixed support, and the lubricating pump assembly is connected with a quantitative injection device through a connecting pipeline; the energy accumulator is arranged on the connecting pipeline; the intelligent controller is electrically connected with the lubricating pump assembly and the proximity switch; the beneficial effects are that: the automatic screw tooth lubricating system for the rotary drill and the control method thereof automatically spray quantitative lubricant before screw teeth are connected, so that time and labor are saved, the efficiency is high, and the difficulty of butt joint and screwing of a drill rod is effectively reduced; effectively reduce the dead card that drilling rod tip thread leads to because of lubricated improper, improve screw rod life, improve the emollient and paint efficiency, the emollient ration is controllable.
Description
Technical Field
The invention relates to the technical field of thread lubricating systems, in particular to an automatic thread lubricating system for a rotary drill and a control method.
Background
The roller cone drilling machine is drilling equipment and is mainly used for large-scale surface mines. The open-air perforating equipment has been developed through 'drill-in-head', flame-jet drill and percussion (down-the-hole) drill for half a century, and finally the roller-cone drilling machine becomes the perforating equipment commonly used in large and medium-sized open-air mines due to the advantages of large hole diameter of drilled holes, high perforating efficiency and the like.
In the prior art, when the drill rod of the conventional rotary drill is connected, a lubricant is not coated, so that the problem that the teeth are easily jammed in the screwing process is solved, the service life of the drill rod is influenced, the lubricant is coated manually, time and labor are wasted, and the efficiency is low.
However, the existing thread lubricant coating mainly adopts manual coating or spraying in a gas injection mode, so that the efficiency is low, the waste is great, and the actual application working condition of the rotary drill is difficult to adapt.
Disclosure of Invention
The invention aims to provide an automatic lubricating system for a screw thread for a rotary drill and a control method, and aims to solve the problems that the coating of a lubricant with the screw thread in the background technology is mainly manually performed or is performed in a gas injection mode, so that the efficiency is low, the waste is great, and the practical application working condition of the rotary drill is difficult to adapt.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic screw tooth lubricating system for a rotary drill rig, comprising:
the lubricating pump assembly is arranged above the fixed support, an oil storage barrel is arranged inside the fixed support, and the lubricating pump assembly is connected with a quantitative injection device through a connecting pipeline;
the energy accumulator is arranged on the connecting pipeline; and
the intelligent controller is electrically connected with the lubricating pump assembly and the proximity switch.
Preferably, the lubricating pump assembly comprises a lubricating pump, the lubricating pump is connected with a lubricating pump base, the lubricating pump base is of a '2127474', and a 'U' -shaped groove is formed in the surface of a top plate of the lubricating pump base.
Preferably, a pressure sensor is installed at a discharge port of the lubricating pump assembly.
Preferably, the fixed bolster includes the support base, and the support base is "L" shaped plate column structure, and the riser surface of support base is provided with middle fixed cover and draw-in groove, and middle fixed cover is "L" shaped plate structure, and the diaphragm of middle fixed cover and the bottom plate surface of support base have all seted up the round mouth.
Preferably, two groups of inclined supporting rods are arranged between the vertical plate of the bracket base and the bottom plate of the bracket base, the two groups of inclined supporting rods are symmetrically distributed relative to the middle fixing sleeve, and the bracket base and the lubricating pump base are connected through a quick locking device.
Preferably, quick locking device includes the axle sleeve, and the axle sleeve is fixed on the surface of support base, and the spacing groove has been seted up to the one end of fixing on the support base of axle sleeve, and the bore of spacing groove is greater than the bore of axle sleeve, and the inside activity of axle sleeve is pegged graft and is had the round pin axle, and the round pin axle is "T" font pole, and the body of rod that the round pin axle is in the axle sleeve inside is "protruding" font pole, and the spacing groove is spacing to "protruding" font pole.
Preferably, the connecting pipeline comprises a first pipeline and a second pipeline, the first pipeline is connected between the energy accumulator and the pressure sensor, and the second pipeline is connected between the energy accumulator and the quantitative injection device.
Preferably, a position three-way electromagnetic valve is arranged at the bottom end of the quantitative injection device, a material collecting cylinder is arranged below the position three-way electromagnetic valve and communicated with a second pipeline, a pressure pump is arranged above the material collecting cylinder, a discharge port of the material collecting cylinder is connected with a nozzle through a material conveying pipe, and the nozzle sprays lubricating oil to the threads.
Preferably, the proximity switch is located on one side of the screw thread.
A control method for automatic lubrication of threads for a rotary drill rig comprises the following steps:
the intelligent controller controls the lubricating pump assembly to work to pump out the lubricating agent, meanwhile, the pressure in the connecting pipeline is gradually increased, when the set pressure value is up to 20Mpa, the intelligent controller stops the lubricating pump to work, and when a screw rod needs to be connected, the drill rod can pass through a preset position;
when the proximity switch detects that the screw reaches a position six centimeters away from the nozzle, a signal is sent to the intelligent controller, the intelligent controller controls the three-way electromagnetic valve to act, and the quantitative injection device uniformly injects quantitative grease to the screw threads through the nozzle;
after the intelligent controller detects that the system pressure is lower than 16Mpa, the lubricating pump is automatically started to work, and the pressure of the lubricating system is ensured to be always in the range of the set pressure value of 16 Mpa-20 Mpa;
the system carries out pressure build-up overtime and blockage alarm, and reports pressure build-up overtime alarm when the lubrication pump continuously works for 10 minutes and the pipeline pressure does not reach 20 Mpa; if the pressure in the pipeline is always greater than 16Mpa after the system continuously sprays 10, a blockage alarm is given.
Compared with the prior art, the invention has the beneficial effects that:
the automatic screw tooth lubricating system for the rotary drill and the control method thereof automatically spray quantitative lubricant before screw teeth are connected, so that time and labor are saved, the efficiency is high, and the difficulty of butt joint and screwing of a drill rod is effectively reduced; effectively reduce the dead card that drilling rod tip thread leads to because of lubricated improper, improve screw rod life, improve the emollient and paint efficiency, the emollient ration is controllable.
Drawings
FIG. 1 is a schematic diagram of one embodiment of a thread lubrication system and control method for a rotary drill;
FIG. 2 is a schematic diagram of one embodiment of a thread lubrication system and control method for a rotary drill;
FIG. 3 is a connection diagram of the lubrication pump assembly, the fixing bracket and the quick locking device;
FIG. 4 is a detailed view of the connection of the pin shaft of the quick locking device before being inserted into the fixing bracket and the lubricating pump base;
FIG. 5 is a detailed view of the connection of the fixing bracket and the lubricating pump base after the pin shaft of the quick locking device is inserted;
FIG. 6 is a view of the structure of the fixing bracket;
fig. 7 is a logic diagram of the system operation.
In the figure: the lubricating pump comprises a lubricating pump assembly 1, a lubricating pump 1.1, a pressure sensor 1.2, a lubricating pump base 1.3, a fixed support 2, a support base 2.1, a middle fixed sleeve 2.2, a clamping groove 2.3, a quick locking device 3, a shaft sleeve 3.1, a pin shaft 3.2, a limiting groove 3.3, an energy accumulator 4, a connecting pipeline 5, a pipeline I5.1, a pipeline II 5.2, a proximity switch 6, an intelligent controller 7, a quantitative injection device 8, a position three-way electromagnetic valve 8.1, a material collecting barrel 8.2, a pressure pump 8.3, a nozzle 8.4, a thread 9 and an oil storage barrel 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
For simplicity and illustrative purposes, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Example one
Referring to fig. 1 to 6, the present invention provides a technical solution: the automatic screw thread lubricating system for the rotary drill comprises a lubricating pump assembly 1, wherein the lubricating pump assembly 1 is arranged above a fixed support 2, an oil storage barrel 10 is arranged inside the fixed support 2, and the lubricating pump assembly 1 is connected with a quantitative injection device 8 through a connecting pipeline 5; the energy accumulator 4 is arranged on the connecting pipeline 5; the intelligent controller 7 is electrically connected with the lubricating pump assembly 1, the model of the intelligent controller 7 is referred to iLC-2B, and the intelligent controller 7 is electrically connected with the proximity switch 6; the quantitative lubricant is automatically sprayed before the threads are connected, so that the time and labor are saved, the efficiency is high, and the difficulty of butt joint and screwing of the drill rod is effectively reduced; effectively reduce the dead card that drilling rod tip thread leads to because of lubricated improper, improve screw rod life, improve the emollient and paint efficiency, the emollient ration is controllable.
Example two
On the basis of the first embodiment, in order to realize the installation of the lubricating pump assembly 1, the lubricating pump assembly 1 comprises a lubricating pump 1.1, the lubricating pump 1.1 is connected with a lubricating pump base 1.3, the lubricating pump base 1.3 is in a '212743' -shaped plate-shaped structure, and a 'U' -shaped groove is formed in the surface of a top plate of the lubricating pump base 1.3; a pressure sensor 1.2 is arranged at the discharge port of the lubricating pump assembly 1; the fixed support 2 comprises a support base 2.1, the support base 2.1 is of an L-shaped plate structure, an intermediate fixed sleeve 2.2 and a clamping groove 2.3 are arranged on the surface of a vertical plate of the support base 2.1, the intermediate fixed sleeve 2.2 is of an L-shaped plate structure, and a transverse plate of the intermediate fixed sleeve 2.2 and the surface of a bottom plate of the support base 2.1 are both provided with round openings; two groups of diagonal braces are arranged between the vertical plate of the bracket base 2.1 and the bottom plate of the bracket base 2.1, the two groups of diagonal braces are symmetrically distributed about the middle fixed sleeve 2.2, and the bracket base 2.1 and the lubricating pump base 1.3 are connected through a quick locking device 3; quick locking device 3 includes axle sleeve 3.1, the surface at support base 2.1 is fixed to axle sleeve 3.1, spacing groove 3.3 has been seted up to the one end of fixing on support base 2.1 of axle sleeve 3.1, the bore of spacing groove 3.3 is greater than the bore of axle sleeve 3.1, round pin axle 3.2 has been pegged graft in the inside activity of axle sleeve 3.1, round pin axle 3.2 is "T" font pole, and round pin axle 3.2 is in the inside body of rod of axle sleeve 3.1 and is "protruding" font pole, spacing groove 3.3 is spacing to "protruding" font pole.
EXAMPLE III
On the basis of the second embodiment, in order to realize the communication between the lubricating pump assembly 1 and the quantitative injection device 8, the connecting pipeline 5 comprises a first pipeline 5.1 and a second pipeline 5.2, the first pipeline 5.1 is connected between the energy accumulator 4 and the pressure sensor 1.2, and the second pipeline 5.2 is connected between the energy accumulator 4 and the quantitative injection device 8; the bottom end of the quantitative injection device 8 is provided with a position three-way electromagnetic valve 8.1, a material collecting cylinder 8.2 is arranged below the position three-way electromagnetic valve 8.1, the material collecting cylinder 8.2 is communicated with a second pipeline 5.2, a pressure pump 8.3 is arranged above the material collecting cylinder 8.2, a discharge hole of the material collecting cylinder 8.2 is connected with a nozzle 8.4 through a material conveying pipe, and the nozzle 8.4 sprays lubricating oil to the thread 9; the proximity switch 6 is arranged on one side of the screw thread 9;
example four
An automatic thread lubricating system for a rotary drill rig comprises a lubricating pump assembly 1, a fixed support 2, a quick locking device 3, an energy accumulator 4, a connecting pipeline 5, a proximity switch 6, an iLC-2B intelligent controller 7 and a quantitative injection device 8, wherein the lubricating pump assembly is a lubricating pump assembly; the outlet of the lubricating pump 1.1 is provided with a pressure sensor 1.2 which is fixed on a lubricating pump base 1.3 of the lubricating pump base; the fixed support 2 consists of a base support base 2.1, an intermediate fixed sleeve 2.2 and a clamping groove 2.3, the base support base 2.1 is fixedly connected with a rotary drill through bolts, the oil storage barrel 10 can be embedded in the fixed support 2, the fixed support 2 can limit the movement of the oil storage barrel in the front, back, left and right directions, and a lubricating pump base 1.3 of the lubricating pump base can cover the upper end of the oil storage barrel 10 so as to limit the movement of the oil storage barrel 10 in the up-and-down direction; the lubricating pump base and the lubricating pump base 1.3 can be inserted into the clamping groove 2.3, the clamping groove 2.3 can limit the movement of the lubricating pump base in the front, back, left and right directions, the lubricating pump base and the lubricating pump base 1.3 are provided with limiting holes, the quick locking device 3 is fixedly connected with the fixed support 2 through threads, when the lubricating pump base and the lubricating pump base 1.3 are to be inserted into the clamping groove 2.3, the pin shaft 3.2 is pulled backwards firstly, the lubricating pump base and the lubricating pump base 1.3 are placed into the clamping groove 2.3, then the pin shaft 3.2 is loosened, the pin shaft 3.2 can be automatically inserted into the limiting hole of the lubricating pump base and the lubricating pump base 1.3, and the up-and-down movement of the lubricating pump base and the lubricating pump base 1.3 of the lubricating pump base is limited; the outlet of the lubricating pump is connected with an energy accumulator through a first pipeline 5.1, the energy accumulator comprises but is not limited to a piston type or a leather bag type, and the energy accumulator is connected with a quantitative injection device 8 through a second pipeline 5.2; the iLC-2B intelligent controller 7 controls the lubricating pump assembly 1 to work to pump out the lubricating agent, meanwhile, the pressure in the pipeline gradually rises, after the set pressure value is up to 20Mpa, the iLC-2B intelligent controller 7 stops the lubricating pump to work, when a screw rod needs to be connected, the drill rod can pass through a preset position, when the proximity switch 6 detects that the screw rod reaches a position 8.4 away from a nozzle 6cm away from the nozzle, a signal is sent to the iLC-2B intelligent controller 7, the iLC-2B intelligent controller 7 controls a two-position three-way electromagnetic valve 8.1 to act, and the quantitative injection device 8 uniformly injects quantitative grease to the screw teeth through the nozzle 8.4; after the iLC-2B intelligent controller 7 detects that the system pressure is lower than 16Mpa, the lubricating pump is automatically started to work, and the pressure of the lubricating system is ensured to be always in the range of the set pressure value of 16 Mpa-20 Mpa; and meanwhile, the system can perform pressure build-up overtime and blockage alarm, when the lubrication pump continuously works for 10 minutes and the pressure of the pipeline does not reach 20Mpa, the pressure build-up overtime alarm is reported, and if the pressure in the pipeline is always greater than 16Mpa after the system continuously sprays for 10 minutes, the blockage alarm is reported.
EXAMPLE five
Referring to fig. 7, the control method for automatic lubrication of the screw teeth of the rotary drill comprises the following steps:
the intelligent controller 7 controls the lubricating pump assembly 1 to work to pump out the lubricating agent, meanwhile, the pressure in the connecting pipeline 5 is gradually increased, when the set pressure value is reached to 20Mpa, the intelligent controller 7 stops the lubricating pump, and when a screw rod needs to be connected, the drill rod can pass through a preset position;
when the proximity switch 6 detects that the screw reaches a position which is six centimeters away from the nozzle 8.4, a signal is sent to the intelligent controller 7, the intelligent controller 7 controls the three-way electromagnetic valve 8.1 to act, and the quantitative injection device 8 uniformly injects quantitative grease to the screw teeth through the nozzle 8.4;
after the intelligent controller 7 detects that the system pressure is lower than 16Mpa, the lubricating pump 1.1 is automatically started to work, and the pressure of the lubricating system is ensured to be always in the range of the set pressure value of 16 Mpa-20 Mpa;
the system carries out pressure build-up overtime and blockage alarm, and reports pressure build-up overtime alarm when the lubrication pump continuously works for 10 minutes and the pipeline pressure does not reach 20 Mpa; and if the pressure in the pipeline is always greater than 16Mpa after the system continuously sprays 10, a blockage alarm is given.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a thread automatic lubrication system for rotary drill which characterized in that: the thread automatic lubricating system for the rotary drill comprises:
the lubricating pump assembly (1) is installed above the fixed support (2), an oil storage barrel (10) is arranged inside the fixed support (2), and the lubricating pump assembly (1) is connected with a quantitative injection device (8) through a connecting pipeline (5);
the energy accumulator (4) is arranged on the connecting pipeline (5); and
the intelligent controller (7) is electrically connected with the lubricating pump assembly (1), and the intelligent controller (7) is electrically connected with the proximity switch (6).
2. The automatic screw tooth lubricating system for the rotary drill and the control method of the automatic screw tooth lubricating system are characterized in that: the lubricating pump assembly (1) comprises a lubricating pump (1.1), the lubricating pump (1.1) is connected with a lubricating pump base (1.3), the lubricating pump base (1.3) is of a '21274', and a 'U' -shaped groove is formed in the surface of a top plate of the lubricating pump base (1.3).
3. The automatic screw tooth lubricating system for the rotary drill and the control method of the automatic screw tooth lubricating system are characterized in that: and a discharge port of the lubricating pump assembly (1) is provided with a pressure sensor (1.2).
4. The automatic screw thread lubricating system for the roller drill and the control method according to claim 3 are characterized in that: the fixed support (2) comprises a support base (2.1), the support base (2.1) is of an L-shaped plate structure, the surface of a vertical plate of the support base (2.1) is provided with an intermediate fixed sleeve (2.2) and a clamping groove (2.3), the intermediate fixed sleeve (2.2) is of an L-shaped plate structure, and a transverse plate of the intermediate fixed sleeve (2.2) and the surface of a bottom plate of the support base (2.1) are both provided with round openings.
5. The automatic screw thread lubricating system for the roller drill and the control method according to claim 4 are characterized in that: two groups of inclined supporting rods are arranged between the vertical plate of the support base (2.1) and the bottom plate of the support base (2.1), the two groups of inclined supporting rods are symmetrically distributed relative to the middle fixing sleeve (2.2), and the support base (2.1) is connected with the lubricating pump base (1.3) through the quick locking device (3).
6. The automatic screw tooth lubricating system for the rotary drill and the control method of the automatic screw tooth lubricating system are characterized in that: quick locking device (3) are including axle sleeve (3.1), the surface at support base (2.1) is fixed in axle sleeve (3.1), spacing groove (3.3) have been seted up to the one end of fixing on support base (2.1) of axle sleeve (3.1), the bore of spacing groove (3.3) is greater than the bore of axle sleeve (3.1), the inside activity grafting of axle sleeve (3.1) has round pin axle (3.2), round pin axle (3.2) are "T" font pole, and the body of rod that round pin axle (3.2) are in axle sleeve (3.1) inside is "protruding" font pole, spacing groove (3.3) are spacing to "protruding" font pole.
7. The automatic screw tooth lubricating system for the rotary drill and the control method of the automatic screw tooth lubricating system are characterized in that: the connecting pipeline (5) comprises a first pipeline (5.1) and a second pipeline (5.2), the first pipeline (5.1) is connected between the energy accumulator (4) and the pressure sensor (1.2), and the second pipeline (5.2) is connected between the energy accumulator (4) and the quantitative injection device (8).
8. The automatic screw thread lubricating system for the roller drill and the control method according to claim 7 are characterized in that: the quantitative injection device is characterized in that a position three-way electromagnetic valve (8.1) is arranged at the bottom end of the quantitative injection device (8), a material collecting cylinder (8.2) is arranged below the position three-way electromagnetic valve (8.1), the material collecting cylinder (8.2) is communicated with a second pipeline (5.2), a pressure pump (8.3) is arranged above the material collecting cylinder (8.2), a discharge hole of the material collecting cylinder (8.2) is connected with a nozzle (8.4) through a material conveying pipe, and the nozzle (8.4) injects lubricating oil to the thread (9).
9. The automatic screw tooth lubricating system for the rotary drill and the control method of the automatic screw tooth lubricating system are characterized in that: the proximity switch (6) is arranged on one side of the screw thread (9).
10. A method for controlling automatic lubrication of a screw thread for a rotary drill according to any one of claims 1 to 9, wherein: the control method comprises the following steps:
the intelligent controller (7) controls the lubricating pump assembly (1) to work to pump out the lubricant, meanwhile, the pressure in the connecting pipeline (5) is gradually increased, when the set pressure value is reached to 20Mpa, the intelligent controller (7) stops the lubricating pump to work, and when a screw rod needs to be connected, the drill rod can pass through a preset position;
when the proximity switch (6) detects that the screw reaches a position six centimeters away from the nozzle (8.4), a signal is sent to the intelligent controller (7), the intelligent controller (7) controls the three-way electromagnetic valve (8.1) to act, and the quantitative injection device (8) uniformly injects quantitative grease to the screw teeth through the nozzle (8.4);
after the intelligent controller (7) detects that the system pressure is lower than 16Mpa, the lubricating pump (1.1) is automatically started to work, and the pressure of the lubricating system is ensured to be always in the range of a set pressure value from 16Mpa to 20 Mpa;
the system carries out pressure build-up overtime and blockage alarm, and reports pressure build-up overtime alarm when the lubrication pump continuously works for 10 minutes and the pipeline pressure does not reach 20 Mpa; if the pressure in the pipeline is always greater than 16Mpa after the system continuously sprays (10), the blockage alarm is reported.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211027339.1A CN115325411A (en) | 2022-08-25 | 2022-08-25 | Automatic screw tooth lubricating system for rotary drill and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211027339.1A CN115325411A (en) | 2022-08-25 | 2022-08-25 | Automatic screw tooth lubricating system for rotary drill and control method |
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| CN115325411A true CN115325411A (en) | 2022-11-11 |
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| CN111452826A (en) * | 2019-01-22 | 2020-07-28 | 襄阳国铁机电股份有限公司 | Track grease spraying lubricating device |
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2022
- 2022-08-25 CN CN202211027339.1A patent/CN115325411A/en active Pending
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|---|---|---|---|---|
| DE102006026274A1 (en) * | 2006-06-02 | 2007-12-06 | Willy Vogel Ag | Automatic lubrication pump with double-acting drive piston |
| CN106439460A (en) * | 2016-03-24 | 2017-02-22 | 北京中冶华润科技发展有限公司 | Anti-attrition lubricating system for locomotive wheel track |
| CN206469043U (en) * | 2017-01-19 | 2017-09-05 | 江苏南方润滑股份有限公司 | Rail plate lubrication station |
| CN111452826A (en) * | 2019-01-22 | 2020-07-28 | 襄阳国铁机电股份有限公司 | Track grease spraying lubricating device |
| CN210153196U (en) * | 2019-06-27 | 2020-03-17 | 湘电风能有限公司 | Automatic gear jet lubrication system |
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