CN112317192A - Automatic oiling station of rail sleeper bolt - Google Patents
Automatic oiling station of rail sleeper bolt Download PDFInfo
- Publication number
- CN112317192A CN112317192A CN202011165218.4A CN202011165218A CN112317192A CN 112317192 A CN112317192 A CN 112317192A CN 202011165218 A CN202011165218 A CN 202011165218A CN 112317192 A CN112317192 A CN 112317192A
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- China
- Prior art keywords
- frame
- rail
- driving wheel
- rod
- bolt
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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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/002—Manually-actuated controlling means, e.g. push buttons, levers or triggers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
- E01B9/04—Fastening on wooden or concrete sleepers or on masonry without clamp members
- E01B9/10—Screws or bolts for sleepers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention relates to an automatic oiling device for a rail sleeper bolt, which comprises a frame, oil injection equipment, a handrail, a storage battery, a control box, a driving motor, a front driving wheel, a rear driving wheel, a chain, a coupling, a photoelectric sensor, a bolt triggering assembly, an oil nozzle, a rail clamping assembly, a fixed caster and a universal caster, wherein the oil injection equipment is arranged on the frame; the device can directly erect on the rail, and can walk automatically, automated inspection bolt and automatic oil spout, and it is high to have degree of automation, and the oil spout position is accurate, labour saving and time saving's advantage, very big improvement workman's work efficiency, reduced the maintenance cost of railway.
Description
Technical Field
The invention relates to the technical field of railway maintenance, in particular to an automatic oiling device for a rail sleeper bolt.
Background
The bolt is a key part for connecting and fixing the sleeper and the rail, plays an important role in ensuring the driving safety, but is easy to corrode and rust due to the influence of the external environment, and leads to the breakage of the bolt, and finally causes the driving safety accident of the locomotive; therefore, the bolt needs to be regularly oiled and maintained, the bolt and the nut are prevented from being adhered together, and the service life of the bolt is prolonged.
The bolt oiling maintenance is a conventional maintenance task, the workload is high, and the task is very important. At present, a common oiling and maintaining method is a manual oiling mode, the method is low in working efficiency and long in working period, the burden of workers is increased, and the railway maintenance cost is increased. Aiming at the technical problem, the invention provides an automatic oiling device for a rail sleeper bolt, which can be directly erected on a rail and can automatically walk, automatically detect the bolt and automatically spray oil; the device has the advantages of high automation degree, accurate oil spraying position, time saving and labor saving, and greatly improves the working efficiency of workers, thereby reducing the maintenance cost of railways.
Disclosure of Invention
In view of the above problems, the invention aims to provide an automatic oiling device for rail sleeper bolts, which has the advantages of high automation degree, accurate oil injection position, time and labor saving and the like, can greatly improve the working efficiency of workers and reduce the maintenance cost of railways.
The technical scheme adopted by the invention is as follows:
the invention provides an automatic oiling device for a rail sleeper bolt, which comprises a frame, oil injection equipment, a handrail, a storage battery, a control box, a driving motor, a front driving wheel, a rear driving wheel, a chain, a coupling, a photoelectric sensor, a bolt triggering assembly, an oil nozzle, a rail clamping assembly, a fixed caster and a universal caster, wherein the oil injection equipment is arranged on the frame; the oil injection equipment is arranged at the top of the frame, the handrail is arranged at the rear side of the oil injection equipment, the storage battery is arranged at the front end of the oil injection equipment, the control box is arranged at the front end of the storage battery, the driving motor is arranged at one side of the storage battery, the front driving wheel and the rear driving wheel are respectively arranged in the middle of the front side and the rear side of the bottom of the frame, chain wheels are arranged at one ends of the front driving wheel and the rear driving wheel, and the chain is connected between the chain wheels at the end parts of the front driving wheel and the rear driving wheel; the driving motor is connected with one end of the front driving wheel through a coupler; the photoelectric sensor is arranged on one side of the front end of the frame, and the bolt trigger assembly is arranged at the bottom of the rear side of the photoelectric sensor; the oil spray nozzles are symmetrically arranged on the left side and the right side behind the front driving wheel and are connected with oil spray equipment; the rail clamping assemblies are symmetrically arranged on the left side and the right side of the middle bottom of the frame at intervals; the fixed casters are respectively arranged on the left side and the right side of the bottom of the front end of the frame, and the universal casters are respectively arranged on the left side and the right side of the bottom of the rear end of the frame.
Further, the bolt trigger assembly comprises a mounting seat, an adjusting screw, a rotating shaft, a trigger rod, a baffle and a torsion spring; the trigger rod is installed on the front end face of the installation seat through a rotating shaft, the torsion spring is installed in the rotating shaft, the adjusting screw is installed on the upper portion of the front side of the trigger rod, and the baffle is installed on the upper portion of the rear side of the trigger rod through a screw; the mounting seat is fixedly connected to the bottom of the front end of the frame.
Furthermore, the rail clamping assembly comprises a rail clamping wheel, a transparent cover, an installation shaft, a spring, an installation plate, a linear bearing, a guide rod, a connecting rod, a push rod and an installation block; the two guide rods are arranged in parallel at a certain distance from front to back, the mounting blocks are respectively mounted between the left end and the right end of the two guide rods through nuts, and the mounting plate is mounted in the middle area of the two guide rods through a pair of linear bearings; after the spring is packed into to the one end of installation axle, install both ends around the mounting panel through the nut respectively, pass through the bearing and press from both sides the rail wheel and be connected the back and install the other end at the installation axle through the lid to it is spacing through the jump ring, the connecting rod sets up between the middle part of installation piece and mounting panel, the push rod sets up the left end at the connecting rod.
Furthermore, the left side and the right side of the middle part of the frame are respectively provided with a quick-release pin.
Furthermore, the bottom in the frame front end is provided with leaning on pole and gag lever post at a certain distance apart, and is corresponding, bottom also is provided with leaning on pole and gag lever post in the frame rear end.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides an automatic oiling device for a rail sleeper bolt, which can be directly erected on a rail, is driven by a motor, and is limited by a limiting rod and a leaning rod, so that the stability of the automatic oiling device is ensured; workers can switch an automatic working mode and a manual working mode through the control box, in the automatic mode, the device can automatically finish forward and backward operations on the rail, a detection device can automatically detect the bolt, and oil spraying operation is automatically finished after the bolt is detected; in the manual mode, a worker can control the start and stop of the device and the oil injection operation through the control box; the device has high automation degree, greatly improves the working efficiency of workers, reduces the cost of railway maintenance, and has high application value.
Drawings
Fig. 1 is a schematic overall structural view of an embodiment of an automatic oiling device for rail sleeper bolts according to the present invention;
FIG. 2 is a schematic front view of the structure of FIG. 1;
FIG. 3 is a schematic bottom view of the structure of FIG. 1;
FIG. 4 is a schematic left side view of the structure of FIG. 1;
FIG. 5 is a schematic structural view of the bolt activation assembly;
FIG. 6 is a schematic structural view of the rail assembly.
Wherein, the reference numbers: 1-a vehicle frame; 2-oil injection equipment; 3-a handrail; 4-a battery jar; 5-a control box; 6-driving a motor; 7-a front driving wheel; 8-rear driving wheel; 9-a sprocket; 10-a chain; 11-a coupling; 12-a photosensor; 13-bolt activation assembly; 14-an oil jet; 15-a rail clamping assembly; 16-fixed castors; 17-universal caster wheel; 101-quick release pins; 102-a rest bar; 103-a limiting rod; 131-a mounting seat; 132-an adjustment screw; 133-a rotating shaft; 134-a trigger lever; 135-a baffle; 151-clamping rail wheels; 152-a transparent cover; 153-mounting shaft; 154-a spring; 155-a mounting plate; 156-linear bearings; 157-a guide bar; 158-connecting rod; 159-a push rod; 1510-mounting block.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
It should be noted that in the description of the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", "one side", "the other side", "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not mean that a device or an element must have a specific orientation, be configured in a specific orientation, and be operated.
Referring to fig. 1-4, a specific structure of an embodiment of an automatic oiling device for a rail sleeper bolt provided by the invention is shown. The device comprises a frame 1, an oil injection device 2, a handrail 3, a storage battery 4, a control box 5, a driving motor 6, a front driving wheel 7, a rear driving wheel 8, a chain wheel 9, a chain 10, a coupling 11, a photoelectric sensor 12, a bolt triggering assembly 13, an oil nozzle 14, a rail clamping assembly 15, a fixed caster 16 and a universal caster 17; the oil injection equipment 2 is fixedly arranged at the top of the frame 1, the handrail 3 is fixedly connected to the rear side of the oil injection equipment 2, the storage battery 4 is fixedly connected to the front end of the oil injection equipment 2, and the control box 5 is fixedly connected to the front end of the storage battery 4; and (3) automatic control process: the live wire and the zero line of an external power supply are respectively connected to the input end of the junction box, the output end of the junction box is connected with the voltage regulating module, and the voltage is regulated by different voltage regulating modules to respectively supply power to the motor driver and the single chip microcomputer; the oil injection equipment is provided with a remote controller with a key, and the key of the remote controller is provided with a manual/automatic mode switching key, a starting key, a stopping key, a forward key, a backward key, an oil injection key, a power indicator lamp, a manual indicator lamp, an automatic indicator lamp, a starting indicator lamp, a stopping indicator lamp, a forward indicator lamp and a backward indicator lamp; after the power supply is turned on, a power supply indicator lamp in the remote controller is turned on, when an automatic/manual mode switching key in the remote controller is pressed, a receiving device of the remote controller decodes received information, the decoded information is transmitted to the inside of the single chip microcomputer, and the single chip microcomputer analyzes the received information and determines whether the information is in an automatic mode or a manual mode; if the automatic mode is selected, the automatic indicator light is turned on; if the manual mode is selected, the manual indicator light is turned on.
When the manual mode is selected, the device cannot act immediately, the single chip microcomputer can continuously detect whether instruction information from the remote control receiver exists or not, when a worker sends an instruction to the trolley through a key, the remote control receiving device carries out decoding operation after receiving the instruction, the instruction information is transmitted to the single chip microcomputer after the decoding is finished, the single chip microcomputer detects that the information is transmitted, analyzes the transmitted information, makes corresponding response according to the received information, controls a corresponding relay to finish specified operation, and enables an indicator light of the corresponding operation to be turned on; for example, after the worker presses the oil injection button, the remote control receiving device decodes the information sent by the remote control transmitter, and transmits the decoded information to the single chip microcomputer, the single chip microcomputer controls the relay to be switched on after receiving the instruction, and the motor driver can control the oil injection equipment to generate oil injection operation after the relay is switched on.
When the automatic mode is selected, the single chip microcomputer controls the relay of the driving motor 6 to be conducted, after the relay of the driving motor 6 is conducted, the motor driver controls the driving motor 6 to be started, the trolley automatically moves forward, meanwhile, the single chip microcomputer continuously detects whether a photoelectric sensor signal is input or not, the photoelectric sensor is a digital quantity sensor, when a bolt is detected, a high level signal can be returned, namely when a pin connected with the photoelectric sensor has the input of the high level signal, the single chip microcomputer controls the oil injection relay to be conducted, and after the oil injection relay is conducted, the oil injection motor driver controls the oil injection equipment to execute oil injection operation; in any operating mode, when the operation is completed, the stop button is pressed, and the oil injection device 2 stops operating.
The driving motor 6 is fixedly connected to one side of the battery 4, the front driving wheel 7 and the rear driving wheel 8 are respectively and rotatably connected to the middle parts of the front side and the rear side of the bottom of the frame 1, the left ends of the front driving wheel 7 and the rear driving wheel 8 are respectively connected with a chain wheel 9, and the chain 10 is connected between the chain wheels 9 at the end parts of the front driving wheel 7 and the rear driving wheel 8; the driving motor 6 is connected with the right end of the front driving wheel 7 through a coupler 11; the photoelectric sensor 12 is arranged on one side of the front end of the frame 1, and the bolt triggering assembly 13 is arranged at the bottom of the rear side of the photoelectric sensor 12; the oil spray nozzles 14 are symmetrically arranged on the left side and the right side behind the front driving wheel 7 and are connected with the oil spray equipment 2; the rail clamping assemblies 15 are symmetrically arranged on the left side and the right side of the middle bottom of the frame 1 at certain intervals and are used for clamping rails; the fixed caster wheels 16 are respectively arranged at the left side and the right side of the bottom of the front end of the frame 1, and the universal caster wheels 17 are respectively arranged at the left side and the right side of the bottom of the rear end of the frame 1.
Referring to fig. 5, in the present embodiment, the bolt activating assembly 13 includes a mounting seat 131, an adjusting screw 132, a rotating shaft 133, an activating rod 134, a baffle 135 and a torsion spring (not shown in the figure); the trigger rod 134 is mounted on the front end surface of the mounting seat 131 through a rotating shaft 133, the torsion spring is mounted in the rotating shaft 133, the adjusting screw 132 is mounted on the front upper portion of the trigger rod 134, the baffle 135 is fixedly mounted on the rear upper portion of the trigger rod 134 through a screw, and the bolt trigger assembly 13 is fixedly connected to the bottom of the front end of the frame 1 through the mounting seat 131; in the movement process of the device, when the trigger rod 134 in the bolt trigger assembly 13 touches the bolt on the sleeper, the trigger rod 134 can rotate around the rotating shaft 133 due to the blocking of the bolt, and simultaneously the adjusting screw 132 arranged on the trigger rod 134 moves forwards for a certain distance; at this time, the photoelectric sensor 12 detects the adjusting screw 132 and sends the detected signal to the control box 5, and the control box 5 controls the oil injection device 2 to perform the oil injection operation according to the internal program; when the trigger bar 134 rotates around the rotation shaft 133 by a certain angle, the trigger bar 134 rotates around the rotation shaft 133 in the opposite direction due to the internal torsion spring force, and the trigger bar 134 stops moving when touching the stop 135.
Referring to fig. 6, in the present embodiment, the clamping rail assembly 15 includes a clamping rail wheel 151, a transparent cover 152, a mounting shaft 153, a spring 154, a mounting plate 155, a linear bearing 156, a guide rod 157, a connecting rod 158, a push rod 159, and a mounting block 1510; the two guide rods 157 are arranged in parallel at a certain distance from front to back, the mounting blocks 1510 are respectively mounted between the left end parts and the right end parts of the two guide rods 157 through nuts, and the mounting plate 155 is mounted in the middle area of the two guide rods 157 through a pair of linear bearings 156; the left end of the mounting shaft 153 is provided with a spring 154 and is vertically arranged at the front end and the rear end of the mounting plate 155 through nuts, the transparent cover 152 is connected with the rail clamping wheel 151 through a bearing and is arranged at the right end of the mounting shaft 153 and is limited through a clamp spring, the connecting rod 158 is connected between the mounting block 1510 and the middle part of the mounting plate 155, and the push rod 159 is arranged at the left end of the connecting rod 158; before the device is placed on a rail, the quick release pins 101 on the two sides are opened, the hand-held push rod 159 rotates for a certain angle and then is pulled outwards for a certain distance, and at the moment, the distance between the pair of rail clamping assemblies 15 is large, so that an operator can conveniently place the device on the rail; after the above operations are completed, the hand-held push rod 159 is pushed inward until the rail clamping wheel 151 is tightly attached to the rail, and then the push rod 159 is rotated into the slot of the quick release pin 101, and the quick release pin 101 is closed, so that the operation of clamping the rail by the rail clamping assembly 15 is completed.
In this embodiment, the left side and the right side of the middle part of the frame 1 are respectively provided with a quick release pin 101 for limiting the movement of the push rod 159 in the rail clamping assembly 15 and preventing the push rod 159 from rotating out of the clamping groove, so that the rail clamping assembly 15 loses the rail clamping function; meanwhile, due to the characteristics of the quick release pin 101, the rail clamping assembly 15 is convenient to move and fix; a leaning rod 102 and a limiting rod 103 are arranged at a certain distance from the middle bottom of the front end of the frame 1, and correspondingly, the leaning rod 102 and the limiting rod 103 are also arranged at the middle bottom of the rear end of the frame 1; after the device is lifted above the rail, in the process of downward placement, the leaning rod 102 is tightly attached to one side edge of the rail upper platform, the device is placed on the rail, the limiting rod 103 is about 1cm away from the other side of the rail upper platform, the rail is clamped by the front leaning rod 102 and the rear leaning rod 103, the device is stopped on the rail, and the side turning of the device is avoided.
The working principle of the invention is as follows: when the device is placed on a rail, the power supply is turned on, and the oil injection driving motor 6, the oil injection equipment 2 and the photoelectric sensor 12 are in a standby state; clicking an automatic/manual mode switching key through a remote controller; when the automatic mode is selected, the automatic indicator light is turned on, and the internal program control device works to automatically complete walking, detection and oil injection operations; when the manual mode is selected, the manual indicator light is turned on, and corresponding keys are clicked according to action requirements to complete corresponding operations; when the work is finished, the stop button is pressed, and the device stops working; the power is turned off, the quick release pins 101 on the two sides are opened, the push rod 159 is held by hand to rotate out of the clamping groove, and after the rail clamping assembly 15 is pulled outwards for a certain distance, the device can be lifted down from the rail.
Because the device travels on one guide rail, the size and the weight of the device are relatively small, only two operators are needed to complete the operation in the process of placing the device on a rail or moving the device out of the rail, and in addition, the leaning rod 102, the limiting rod 103 and the rail clamping assembly 15 arranged on the device work together, so that the oil injection device is ensured to travel freely on the rail and cannot generate side turnover accidents; compare current oiling station, this device has cost low, degree of automation is high, advantages such as accurate and labour saving and time saving in oil spout position.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (5)
1. The utility model provides an automatic oiling station of rail sleeper rail bolt which characterized in that: the device comprises a frame, oil injection equipment, a handrail, a storage battery, a control box, a driving motor, a front driving wheel, a rear driving wheel, a chain, a coupling, a photoelectric sensor, a bolt triggering assembly, an oil injection nozzle, a rail clamping assembly, a fixed caster and a universal caster; the oil injection equipment is arranged at the top of the frame, the handrail is arranged at the rear side of the oil injection equipment, the storage battery is arranged at the front end of the oil injection equipment, the control box is arranged at the front end of the storage battery, the driving motor is arranged at one side of the storage battery, the front driving wheel and the rear driving wheel are respectively arranged in the middle of the front side and the rear side of the bottom of the frame, chain wheels are arranged at one ends of the front driving wheel and the rear driving wheel, and the chain is connected between the chain wheels at the end parts of the front driving wheel and the rear driving wheel; the driving motor is connected with one end of the front driving wheel through a coupler; the photoelectric sensor is arranged on one side of the front end of the frame, and the bolt trigger assembly is arranged at the bottom of the rear side of the photoelectric sensor; the oil spray nozzles are symmetrically arranged on the left side and the right side behind the front driving wheel and are connected with oil spray equipment; the rail clamping assemblies are symmetrically arranged on the left side and the right side of the middle bottom of the frame at intervals; the fixed casters are respectively arranged on the left side and the right side of the bottom of the front end of the frame, and the universal casters are respectively arranged on the left side and the right side of the bottom of the rear end of the frame.
2. An automatic oiling device for a rail sleeper bolt according to claim 1, characterized in that: the bolt trigger assembly comprises a mounting seat, an adjusting screw, a rotating shaft, a trigger rod, a baffle and a torsion spring; the trigger rod is installed on the front end face of the installation seat through a rotating shaft, the torsion spring is installed in the rotating shaft, the adjusting screw is installed on the upper portion of the front side of the trigger rod, and the baffle is installed on the upper portion of the rear side of the trigger rod through a screw; the mounting seat is fixedly connected to the bottom of the front end of the frame.
3. An automatic oiling device for a rail sleeper bolt according to claim 1, characterized in that: the rail clamping assembly comprises a rail clamping wheel, a transparent cover, an installation shaft, a spring, an installation plate, a linear bearing, a guide rod, a connecting rod, a push rod and an installation block; the two guide rods are arranged in parallel at a certain distance from front to back, the mounting blocks are respectively mounted between the left end and the right end of the two guide rods through nuts, and the mounting plate is mounted in the middle area of the two guide rods through a pair of linear bearings; after the spring is packed into to the one end of installation axle, install both ends around the mounting panel through the nut respectively, pass through the bearing and press from both sides the rail wheel and be connected the back and install the other end at the installation axle through the lid to it is spacing through the jump ring, the connecting rod sets up between the middle part of installation piece and mounting panel, the push rod sets up the left end at the connecting rod.
4. An automatic oiling device for a rail sleeper bolt according to claim 1, characterized in that: the left side and the right side of the middle part of the frame are respectively provided with a quick-release pin.
5. An automatic oiling device for a rail sleeper bolt according to claim 1, characterized in that: the frame is characterized in that a leaning rod and a limiting rod are arranged at the bottom of the front end of the frame at a certain distance and correspond to each other, and a leaning rod and a limiting rod are also arranged at the bottom of the rear end of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011165218.4A CN112317192B (en) | 2020-10-27 | 2020-10-27 | Automatic oiling station of rail sleeper bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011165218.4A CN112317192B (en) | 2020-10-27 | 2020-10-27 | Automatic oiling station of rail sleeper bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112317192A true CN112317192A (en) | 2021-02-05 |
| CN112317192B CN112317192B (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011165218.4A Active CN112317192B (en) | 2020-10-27 | 2020-10-27 | Automatic oiling station of rail sleeper bolt |
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| Country | Link |
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| CN (1) | CN112317192B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113578579A (en) * | 2021-08-23 | 2021-11-02 | 山东里能鲁西矿业有限公司 | Underground paint spraying apparatus and underground paint spraying method |
| CN115646737A (en) * | 2022-12-22 | 2023-01-31 | 山东高强紧固件有限公司 | Automatic oiling station of nut for rail fastening |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113578579A (en) * | 2021-08-23 | 2021-11-02 | 山东里能鲁西矿业有限公司 | Underground paint spraying apparatus and underground paint spraying method |
| CN115646737A (en) * | 2022-12-22 | 2023-01-31 | 山东高强紧固件有限公司 | Automatic oiling station of nut for rail fastening |
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| Publication number | Publication date |
|---|---|
| CN112317192B (en) | 2021-10-08 |
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