CN206860089U - Pneumatic crawler rig - Google Patents
Pneumatic crawler rig Download PDFInfo
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- CN206860089U CN206860089U CN201720209364.XU CN201720209364U CN206860089U CN 206860089 U CN206860089 U CN 206860089U CN 201720209364 U CN201720209364 U CN 201720209364U CN 206860089 U CN206860089 U CN 206860089U
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Abstract
Pneumatic crawler rig,Including main frame,Column,Bracket,Pneumatic operation platform,Hydraulic operation platform,Pumping plant,Track rail assembly and fuel tank assembly,Described main frame includes rotating assembly,Walking assembly,Guide table,Drilling rod guiding trestle,Guide rail and drill bushing,Described rotating assembly and walking assembly is arranged in guide table,Described guide rod support includes carrier base,Guide sleeve,Top board and drilling rod fixed plate,Described carrier base is bolted to connection with guide table,Guide sleeve is installed on described carrier base,The top board of fixed guide set is provided with the outside of guide sleeve,Drilling rod fixed plate is additionally provided with carrier base,Drilling rod fixed plate one end is hinged with carrier base,One end is connected with carrier base bearing pin,Main frame lower end is connected by bracket with column,Lowering or hoisting gear is provided with described column,Draining is visited suitable for colliery coal seam,Water filling and the spy drilling construction such as gas-removing hole and pressure relief vent,Safe and reliable service life length,Maintenance cost is low.
Description
Technical field
Pit gear technical field is the utility model is related to, is specifically exactly a kind of Pneumatic crawler rig.
Background technology
Pneumatic drilling machine is one of equipment commonly used in the operation process of colliery, suitable for implementing drilling to mine and visiting water, spy
The operations such as gas, and it is boring suitable for other mines or Geotechnical Engineering.
Current pneumatic drilling machine is using compressed air as power, and various works are realized by various forms of operations to drilling rod
Industry, visit draining, water filling for colliery coal seam and visit the drilling construction such as gas-removing hole and pressure relief vent, but can go out in practical operation
There is deviation in existing drilling rod and main shaft, can not realize that accurate installation is fixed to drilling rod, cause to make main shaft in operation process
Into damage, and the maintenance cost of main shaft is high, and often damage can seriously affect the progress of construction in actual job, for applying
Work security can also have an impact, while noise is too big in drilling equipment operation, and overall erasure effect is bad, causes noise
Pollution.
The content of the invention
The purpose of this utility model is to provide a kind of Pneumatic crawler rig, and the rig is matched somebody with somebody using compressed air as power
There is the light-duty deep-hole pneumatic drill carriage of crawler type walking mechanism, visit draining, water filling suitable for colliery coal seam and visit gas-removing hole and unload
The drilling constructions such as hole are pressed, safe and reliable service life is grown, and maintenance cost is low.
The technical scheme in the invention for solving the technical problem is：Pneumatic crawler rig, including it is main frame, vertical
Post, bracket, pneumatic operation platform, hydraulic operation platform, pumping plant, track rail assembly and fuel tank assembly, described main frame include revolution
Assembly, walking assembly, guide table, drilling rod guiding trestle, guide rail and drill bushing, described rotating assembly and walking assembly are arranged on and led
To on platform, described guide rod support includes carrier base, guide sleeve, top board and drilling rod fixed plate, and described carrier base is with leading
It is bolted to connection to platform, guide sleeve is installed on described carrier base, fixation is provided with the outside of described guide sleeve and is led
To the top board of set, drilling rod fixed plate is additionally provided with described carrier base, described drilling rod fixed plate one end is cut with scissors with carrier base
Connect, one end is connected with carrier base bearing pin, and described main frame lower end is connected by bracket with column, and liter is provided with described column
Falling unit.
As optimization, described column lower end is connected with body frame, described body frame lower end connecting band track assembly.
As optimization, described guide table is internally provided with muffler.
As optimization, pumping plant and fuel tank are provided with described body frame, shroud upper panel is provided with described fuel tank.
As optimization, bottom plate A and bottom plate B are provided with described body frame, tool box is provided with described bottom plate.
As optimization, the oil sprayer being connected with hydraulic system is provided with described body frame, in described body frame
Protection board is provided with the outside of oil circuit.
As optimization, the front end of described body frame is provided with preceding protective cover.
As optimization, the rear end of described body frame is provided with drag chain A and drag chain B.
The beneficial effects of the utility model are：Compared with prior art, a kind of Pneumatic crawler rig of the present utility model,
Using compressed air as power, the light-duty deep-hole pneumatic drill carriage equipped with crawler type walking mechanism, be widely used in colliery coal seam visit draining,
Water filling and the spy drilling construction such as gas-removing hole and pressure relief vent, can supporting φ 69, φ 76, the high-efficiency helical drilling rods of φ 89 and the geology of φ 42
Drilling rod uses.
Brief description of the drawings
Fig. 1 is the utility model overall construction drawing；
Fig. 2 is the utility model top view；
Fig. 3 is the utility model guide rod support enlarged drawing；
Fig. 4 is another enlarged drawing of the utility model guide rod support；
Wherein, 1 guide rail, 2 walking assemblies, 3 rotating assemblies, 4 silencers, 5 columns, 6 lowering or hoisting gears, 7 brackets, 8 pumping plants, 9
Fuel tank assembly, 10 shroud upper panels, 11 track rail assemblies, 12 protection boards, 13 oil sprayers, 14 body frames, 15 drilling rod guiding trestles, 16 supports
Seat, 17 drag chain A, 18 drag chain B, 19 pneumatic operation platforms, 20 hydraulic operation platforms, 21 bottom plate A, 22 bottom plate B, 23 tool boxes, 24 are eliminated the noise
Protective cover, 27 top boards, 28 drilling rod fixed plates, 29 drill bushings, 30 guide tables before device adapter, 25 guide sleeves, 26.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.Therefore, below to attached
The detailed description of the embodiment of the present utility model provided in figure is not intended to limit claimed the scope of the utility model,
But it is merely representative of selected embodiment of the present utility model.Based on the embodiment in the utility model, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belong to the model of the utility model protection
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship, or
The utility model product using when the orientation usually put or position relationship, be for only for ease of description the utility model and letter
Change description, rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that instruction or hint relative importance.
Pneumatic crawler rig, including main frame, column 5, bracket 7, pneumatic operation platform 19, hydraulic operation platform 20, pump
Stand 8, track rail assembly 11 and fuel tank assembly 9, described main frame includes rotating assembly 3, walking assembly 2, guide table 30, drilling rod and is oriented to
Support 15, guide rail 1 and drill bushing 29, described rotating assembly 3 and walking assembly 2 are arranged in guide table 30, described guide rod
Support 15 includes carrier base 16, guide sleeve 25, top board 27 and drilling rod fixed plate 28, and described carrier base 16 is logical with guide table 30
Cross bolt to be fixedly connected, guide sleeve 25 is installed on described carrier base 16, the outside of described guide sleeve 25 is provided with fixation and led
To the top board 27 of set 25, drilling rod fixed plate 28, described one end of drilling rod fixed plate 28 are additionally provided with described carrier base 16
Be hinged with carrier base 16, one end is connected with the bearing pin of carrier base 16, and described main frame lower end is connected by bracket 7 with column 5, described
Column 5 on be provided with lowering or hoisting gear 6.
The described lower end of column 5 is connected with body frame 14, the described lower end connecting band track assembly 11 of body frame 14.
Described guide table 30 is internally provided with muffler 4.
Pumping plant 8 and fuel tank 9 are provided with described body frame 14, shroud upper panel 10 is provided with described fuel tank 9.
Bottom plate 1 and bottom plate 2 are provided with described body frame 14, tool box 23 is provided with described bottom plate 2.
It is provided with the oil sprayer 13 being connected with hydraulic system in described body frame 14, the oil circuit in described body frame 14
Outside is provided with protection board 12.
The front end of described body frame 14 is provided with preceding protective cover 26.
The rear end of described body frame 14 is provided with drag chain A17 and drag chain B18.
Operation principle
Pneumatic crawler rig is a kind of using compressed air as power, the deep hole drill car equipped with creeper undercarriage.It leads
There are main frame, column, bracket, air-operated control platform, body frame assembly, hydraulic operation platform, pumping plant, track rail assembly, operating platform, oil
The part such as box assembly forms.
Main frame is made up of rotating assembly, walking assembly, guide table assembly, drilling rod guiding trestle, guide rail, drill bushing etc., is to bore
The equipment of car.
Rotating assembly is made up of motor assembly, main speed reduction box assembly.Air motor is gear motor, is applicable compressed air pressure
Power is in 0.4~0.63MPa, and peak power is up to 8KW.Motor has two air inlets, an exhaust outlet, rotating can be achieved.Horse
It is connected up to by output shaft with decelerator, rotating speed and torque required for then being obtained by two-stage The gear deceleration.Pay attention to：Subtract
Appropriate butter is monthly filled in fast case, reduction box temperature is no more than 60~70 DEG C.
Walking assembly is made up of running motor assembly and reduction box.Air pressure is applicable in 0.4~0.63MPa.Maximum work output
Rate 2KW.Motor is connected by output shaft with decelerator.Decelerator is double reduction, and wherein the second level is slowed down for worm and gear,
So as to form big retarding ratio, sufficiently large feed power is realized, it is maximum up to 14KN.Pay attention to：Monthly filled in right amount in reduction box
Butter, reduction box temperature are no more than 60~70 DEG C.
Guide table assembly overall structure uses Type of Welding, simple in construction solid and reliable.Rotating assembly is installed in guide table
And walking assembly, while feed power and the torque of rotating assembly of walking assembly are subject, it is that gyrator is connected in main frame and is led
The important component of rail.It is wherein internal to add muffler plate, eliminated the noise for the first time so as to eliminate the noise to implement to motor, it is whole to improve drill carriage
Body noise elimination noise reduction effect.
Drilling rod guiding trestle is mainly made up of carrier base, guide sleeve, top board, drilling rod fixed plate.Guide sleeve passes through upper pressure
Plate is fixed on bearing, and guide sleeve uses high-abrasive material, improves service life.Drilling rod guiding trestle supports drill rods, make drilling rod
Keep coaxial with gyrator main shaft, reduce infringement of the drilling rod to main shaft.
Have rack on guide rail, rack engages with the output gear shaft of walking assembly, realize gyrator assembly advance, after
Move back.Guide rail is connected by bolt with angle adjustment rotary reducer, and adjusting rotary reducer by push-and-pull control valve handle can
Realize adjustment of the main frame from the horizontal by certain angle.Pay attention to：Guide rail surface will often add lubricating oil, and per tour starts punching and made
Add lubricating oil once before industry.In extreme lower position ± 90 rotary rail, fixing bolt must be unclamped and be moved forward on bracket
400。
Drill bushing is water supply installation when drill carriage is drilled, and flushing water enters drilling rod by drill bushing, and drill bushing employs detachable
Structure, when drill be not added with water when, drill bushing can be removed, to reduce the torque loss of drill carriage.
There is oil cylinder to realize drill carriage to holding out against at the top of tunnel in column, hold out against stroke 550mm, when ensureing drill carriage operation
Stability.Pay attention to：When column is not added with continued access bar, total height 2620mm, maximum height 3170mm.After increasing continued access bar, it can meet
Height 3170mm-4000mm tunnel uses.
Bracket is the two-stage movable stand of guide rail, and front and rear each 500mm compensation stroke of guide rail can be achieved.Warning：If during punching
Main frame shake is excessive, the nut being sure on manual locking guide rail.
Control device when air-operated control platform is drill carriage drilling.It is made up of control valve, pressure gauge, pipe fitting and framework etc..Behaviour
Vertical platform sets two reversal valves, respectively the rotation of control main frame and advance and retreat.There is a ball valve in addition, for controlling the water of drill process
Amount.Reversal valve is arranged in the framework of console, joint marshalling, and indicates link position with direction board.Console and master
Machine is connected by six roots of sensation sebific duct.
Lowering or hoisting gear realizes that main frame moves up and down by hydraulic cylinder by the mode of taking a step, and when main frame rises, unclamps big lock sleeve
Fixing bolt.Promote oil cylinder to rise handle, stretch out oil cylinder, main frame rises.After rising to correct position, lock big lock sleeve and consolidate
Determine bolt.If the height once risen is not reaching to specified location, big lock sleeve fixing bolt is locked, small lock sleeve is unclamped and consolidates
Determine bolt, promote oil cylinder to decline handle, oil cylinder is retracted, now small lock sleeve rises.After oil cylinder is fully retracted, small locking is locked
Fixing bolt is covered, steps be repeated alternatively until that main frame rises to specified location.Main frame declines process similarly.Warning：Lifting process
The fixing bolt of middle size lock sleeve is forbidden to unclamp simultaneously.After highly setting up, manual locking nut of being sure to.
Body frame assembly is formed by rectangular tube integral solder, has the advantages that good rigidity, intensity are big.Body frame be column,
Fuel tank assembly, hydraulic operation platform, pumping plant, the connection member on chassis, and the part of the force of drill carriage.
Hydraulic operation platform is made up of multiple directional control valve, valve group, sequence valve, pressure gauge, sebific duct, joint etc..Two multichannels are changed
Control walking and the working condition of drill carriage respectively to valve.Valve group controls the solution of conversion and the alarm of walking states and working condition
Remove.Three pressure gauges indicate respectively system air pressure, system working pressure, column stretching pressure.Console can be realized to walking, standing
The tight control in capital, complete the operation that transfer, different height and the different angle hole drill of drill carriage enter.
Pumping plant is made up of air motor, gear pump, oil sprayer, filter etc..Compressed air after oil sprayer, filter by
Threeway separates two-way.Enter air motor all the way and drive gear pump, another way enters air-operated control platform and provides power to rig.It is alert
Accuse：Per tour must fill enough lubricating oil in oil sprayer（The lubricating oil of 20# or 30# machine oil or the equal trade mark）, oil-free spray painting
When going out, forbidden to spud in.Filter determines the cleaning frequency according to the air quality used, prevents its blocking.It is provided with oil sprayer
Filter, periodic cleaning filter is needed in boring procedure, prevents filter blocks from causing to be short of power.
Fuel tank assembly fuel tank is important component in hydraulic system, in hydraulic system in addition to oil storage, is also played scattered
The effect such as steam bubble, precipitation magazine in heat, oil and water separation.Air cleaner, oil inlet and oil return filter, liquid level gauge are installed on fuel tank
Deng.
Crawler belt is made up of guide wheel, thrust wheel, sprocket wheel, tensioning apparatus etc., is the important component of drill carriage.This car is using high-strength
The combined labyrinth and carbon gland caterpillar chain of alloy steel making is spent, ensure that normal work of the drill carriage in adverse circumstances.Thrust wheel is not only direct
The weight of machine is born, also subject to the impact from top plate, when punching is fixed, crawler belt contact ground need to be cleared up, and prevent from depositing
In individual other salient point, main frame is caused to fix the damage of unstable or creeper tread, during walking, rotary motor need to be fed to guide rail front end,
Prevent crawler belt from rolling revolution equipment air supply pipe.
Pipeline connects, and console is connected with body with six roots of sensation sebific duct, 1,2,3, on console No. 4 interface respectively with main frame
The connection of 1,2,3, No. 4 interface, No. 5 interfaces are connected with silencer mouth, and No. 6 interfaces are connected with the main air supply opening of main frame.The machine is attached
There is main recent joint core, sebific duct and joint core need to only be tied up and can be inserted into primary air inlet use by ore deposit side.
Drill carriage walking operation
It should first check for whether each high-pressure rubber pipe and tracheae connect reliably before drill carriage operation.Main air inlet ball valve is slowly opened,
Shift State Transferring valve onto walking position, host-initiated ball valve, which is screwed into, starts position, and now oil pump motor rotates.Operate drill carriage extremely
Operating location, specific method are as follows：
Walking control crank has two, and left side controls left crawler travel, right side control right-hand track chiain walking.Two control cranks
Before pushing to, drill carriage advances；Two handles pull to rear, and drill carriage retreats；Left side handle pulls to rear, before dextral handle is pushed to, bores
Car turns left；Dextral handle pulls to rear, and before left side handle is pushed to, drill carriage is turned right.
Drill carriage consolidates
After drill carriage reaches appointed place, according to the specific height in tunnel, increase and decrease connecting rod, State Transferring valve is then pressed onto work
Industry position, manipulating column stretch oil cylinder makes column hold out against top plate until stretching pressure reaches 16MPa.Column stretch oil cylinder control crank
Control column holding out against and bouncing back.Ejection presses closer plate, rear draw-in before control crank.Quarter concern is taken during drilling and holds out against pressure
Power, when pressure is less than 10MPa, it is necessary to drilling operation can be carried out after holding out against again.Drill carriage sends alarm when column starts to jack up,
It is rotatable after holding out against to release alarm ball valve to release alarm.As do not released, need to continue to hold out against operation.Column stretch oil cylinder
Operating pressure will alarm when dropping to 4Mpa by 16Mpa pressure.
Punching height, angle adjustment
Realize that main frame is moved up and down to adjust punching height by the mode of taking a step by hydraulic cylinder.When needing the main frame to rise, pine
Open big lock sleeve fixing bolt.Promote oil cylinder to rise handle, stretch out oil cylinder, main frame rises.After rising to correct position, locking
Big lock sleeve fixing bolt.If the height once risen is not reaching to specified location, big lock sleeve fixing bolt is locked, is unclamped
Small lock sleeve fixing bolt, promote oil cylinder to decline handle, oil cylinder is retracted, now small lock sleeve rises.After oil cylinder is fully retracted,
Small lock sleeve fixing bolt is locked, steps be repeated alternatively until that main frame rises to specified location.Main frame declines process similarly.Up and down
Pulling vertical rotary handle turns round main frame rotary reducer assembly, and the main frame that can make to be installed on column realizes 330 degree of level
Revolution（Note：Due to being limited by complete machine structure, main frame adjusting range is not equivalent to the horizontal bore angle of this rig）.Pull up and down
Dynamic horizontal rotation handle turns round column revolving speed reducer assembly, can make the 330 degree of revolutions of column level.
Drilling operation
The drilling operation of drill carriage and walking are controlled by independent maneuvering console.Drilling operation need to first consolidate good rig and rotate
For rig console main frame start-stop button to stop position, then pulling the rear end ball valve on pumping plant obtains the air-operated control platform of drill carriage
To source of the gas.Console is provided with two reversal valves, controls the rotation of rig and advance and retreat respectively, has a ball valve in addition, to control
The water of drill process.Right side control valve control rig rotation, pushes away forward main frame rotating forward, pulls back reversion, centre position stops.
The advance and retrogressing of left side control valve control gyrator, push away forward gyrator advance, pull back gyrator retrogressing, centre position is stopped
Only.
Crawler tensioning operates
The cover plate of track rail assembly side is opened, chain mouth is beaten toward noting in tensioning hydro-cylinder with what grease gun was directed at tensioning hydro-cylinder rear end
Enter butter to control the relaxation sag of chain of crawler belt in the range of 10-20mm.
Above-mentioned embodiment is only specific case of the present utility model, and scope of patent protection of the present utility model includes
But the product form and style of above-mentioned embodiment are not limited to, it is any to meet the utility model claims book and any institute
The appropriate change or modification that the those of ordinary skill of category technical field is done to it, should all fall into patent protection of the present utility model
Scope.
Claims (8)
1. Pneumatic crawler rig, including main frame, column（5）, bracket（7）, pneumatic operation platform（19）, hydraulic operation platform
（20）, pumping plant（8）, track rail assembly（11）And fuel tank assembly（9）, it is characterised in that：Described main frame includes rotating assembly（3）、
Walking assembly（2）, guide table（30）, drilling rod guiding trestle（15）, guide rail（1）And drill bushing（29）, described rotating assembly（3）With
Walking assembly（2）It is arranged on guide table（30）On, described guide rod support（15）Including carrier base（16）, guide sleeve（25）、
Top board（27）With drilling rod fixed plate（28）, described carrier base（16）With guide table（30）It is bolted to connection, it is described
Carrier base（16）Upper installation guide sleeve（25）, described guide sleeve（25）Outside be provided with fixed guide set（25）Upper pressure
Plate（27）, described carrier base（16）On be additionally provided with drilling rod fixed plate（28）, described drilling rod fixed plate（28）One end and branch
Stand（16）It is be hinged, one end and carrier base（16）Bearing pin connects, and described main frame lower end passes through bracket（7）With column（5）Connection,
Described column（5）On be provided with lowering or hoisting gear（6）.
2. Pneumatic crawler rig according to claim 1, it is characterised in that：Described column（5）Lower end and body frame
（14）Connection, described body frame（14）Lower end connecting band track assembly（11）.
3. Pneumatic crawler rig according to claim 1, it is characterised in that：Described guide table（30）It is internally provided with
Muffler（4）.
4. Pneumatic crawler rig according to claim 2, it is characterised in that：Described body frame（14）On be provided with pump
Stand（8）And fuel tank assembly（9）, described fuel tank assembly（9）On be provided with shroud upper panel（10）.
5. the Pneumatic crawler rig according to claim 2 or 4, it is characterised in that：Described body frame（14）Upper setting
There is bottom plate A（21）With bottom plate B（22）, described bottom plate B（22）On be provided with tool box（23）.
6. Pneumatic crawler rig according to claim 5, it is characterised in that：Described body frame（14）On be provided with
The oil sprayer of hydraulic system connection（13）, described body frame（14）On oil circuit on the outside of be provided with protection board（12）.
7. Pneumatic crawler rig according to claim 5, it is characterised in that：Described body frame（14）Front end set
There is preceding protective cover（26）.
8. Pneumatic crawler rig according to claim 5, it is characterised in that：Described body frame（14）Rear end set
There is drag chain A（17）With drag chain B（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720209364.XU CN206860089U (en) | 2017-03-06 | 2017-03-06 | Pneumatic crawler rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720209364.XU CN206860089U (en) | 2017-03-06 | 2017-03-06 | Pneumatic crawler rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206860089U true CN206860089U (en) | 2018-01-09 |
Family
ID=60814577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720209364.XU Active CN206860089U (en) | 2017-03-06 | 2017-03-06 | Pneumatic crawler rig |
Country Status (1)
| Country | Link |
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| CN (1) | CN206860089U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868599A (en) * | 2018-08-09 | 2018-11-23 | 冀凯河北机电科技有限公司 | A kind of complete pneumatic comprehensive drill carriage |
| CN109882072A (en) * | 2019-04-09 | 2019-06-14 | 石家庄泽林煤矿机械制造有限公司 | A kind of Pneumatic crawler drilling machine showing drilling track |
| CN113338798A (en) * | 2021-07-21 | 2021-09-03 | 中煤科工集团重庆研究院有限公司 | Turning and drilling separated drilling machine |
-
2017
- 2017-03-06 CN CN201720209364.XU patent/CN206860089U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868599A (en) * | 2018-08-09 | 2018-11-23 | 冀凯河北机电科技有限公司 | A kind of complete pneumatic comprehensive drill carriage |
| CN109882072A (en) * | 2019-04-09 | 2019-06-14 | 石家庄泽林煤矿机械制造有限公司 | A kind of Pneumatic crawler drilling machine showing drilling track |
| CN113338798A (en) * | 2021-07-21 | 2021-09-03 | 中煤科工集团重庆研究院有限公司 | Turning and drilling separated drilling machine |
| CN113338798B (en) * | 2021-07-21 | 2023-07-21 | 中煤科工集团重庆研究院有限公司 | Vehicle drill separating type drilling machine |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 272000 West Section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Patentee after: Shandong Yanneng Taide Heavy Industry Co.,Ltd. Address before: 272000 West Section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Patentee before: ZOUCHENG YANKUANG TAIDE INDUSTRY & TRADE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |