CN105221069A - A kind of rock drilling device for jumbo - Google Patents
A kind of rock drilling device for jumbo Download PDFInfo
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- CN105221069A CN105221069A CN201510608086.0A CN201510608086A CN105221069A CN 105221069 A CN105221069 A CN 105221069A CN 201510608086 A CN201510608086 A CN 201510608086A CN 105221069 A CN105221069 A CN 105221069A
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- rock drilling
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- universal joint
- rock
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Abstract
The present invention relates to a kind of rock drilling device for jumbo, comprising: rock drilling arm component; Be hinged to actuate the deflection hydraulic cylinder that described rock drilling arm component carries out yaw motion with the deflection end of described rock drilling arm component; Be hinged to actuate the pitching hydraulic cylinder that described rock drilling arm component carries out elevating movement with the described deflection end of described rock drilling arm component; The rock body be connected with the telescopic end of described rock drilling arm component.This rock drilling device has the advantage that working range is wide, mobility strong, work is flexible, stability is high and shock resistance is strong.
Description
Technical field
The present invention relates to constructing tunnel or tunnelling technical field, particularly relate to a kind of rock drilling device for jumbo.
Background technology
Jumbo also claims drilling jumbo, is a kind of rock drilling equipment that tunnels and underground engineering adopts drill bursting construction.Jumbo was introduced early eighties from last century, and it can move and support that multiple stage hammer drill carries out drilling simultaneously.
Existing jumbo is primarily of the composition such as ancillary service of the vehicle frame of hammer drill, drill boom (support of hammer drill, location and propulsive mechanism), steel work, running mechanism and other necessity.During application shot-drilling tunneling, for jumbo provides favourable service condition, the combination of jumbo and dress quarrel equipment can be accelerated speed of application, raise labour productivity, and improves working conditions.
But when carrying out work, owing to can only move at single direction, thus, often there is the problem that working range is little in the drill boom of existing jumbo.
Summary of the invention
For the problems referred to above, according to the present invention proposes a kind of rock drilling device for jumbo, comprising: rock drilling arm component; Be hinged to actuate the deflection hydraulic cylinder that described rock drilling arm component carries out yaw motion with the deflection end of described rock drilling arm component; Be hinged to actuate the pitching hydraulic cylinder that described rock drilling arm component carries out elevating movement with the described deflection end of described rock drilling arm component; The rock body be connected with the telescopic end of described rock drilling arm component.As can be seen here, by setting up deflection hydraulic cylinder and pitching hydraulic cylinder, greatly increase the degree of freedom of this rock drilling arm component work, motion that is comprehensive, multi-angle can be carried out in solid space to make rock drilling arm component, thus expand the working range of rock drilling arm component widely, improve the flexibility ratio of rock drilling arm component work.
Preferably, described rock body comprises bracket and to be arranged on described bracket and in order to be connected to the propeller on work plane to be drilled.This angle of rake setting, can play and compress work plane to be drilled and carry the effect that hammer drill as described below carries out towards work plane to be drilled moving.
Preferably, be provided with propelling expansion loop between described bracket and described propeller, described propelling expansion loop drives described propeller to move towards the direction of vertical described work plane to be drilled.
Preferably, described rock body also comprises slidingtype and is arranged on hammer drill on described propeller, and described hammer drill is under described angle of rake drive, and the direction towards described work plane to be drilled is moved.As can be seen here, carry this hammer drill towards while work plane movement to be drilled at propeller, self also moving relative to this propeller of this hammer drill, thus accelerate the rapid movement of this hammer drill widely.
Preferably, the diapire of described bracket is provided with gyro black assembly, described gyro black assembly can drive described bracket to rotate in a circumferential direction.The setting of this gyro black assembly, reduces the time of hammer drill action widely.
Preferably, between described bracket and described gyro black assembly, be provided with bracket pitching hydraulic cylinder, carry out elevating movement to make the vertical work plane to be drilled of described bracket by bracket described in described bracket pitching Driven by Hydraulic Cylinder.Further, ensure that hammer drill is when being pressed on work plane to be drilled, can vertical this work plane to be drilled, thus get out the boring of satisfying the demand.
Preferably, described rock drilling arm component comprises rock drilling outer arm and slidingtype and to be arranged in described rock drilling outer arm and can to carry out stretching out or the rock drilling telescopic arm of retracting motion by relative described rock drilling outer arm, wherein, deflection end and the described deflection hydraulic cylinder of described rock drilling outer arm are hinged, and the telescopic end of described rock drilling telescopic arm is connected with described rock body.Because rock drilling telescopic arm can carry out stretching out or retracting motion by rock drilling outer arm relatively, thus, greatly increase working range and the flexibility ratio of rock drilling arm component.
Preferably, described rock body also comprises universal joint, and first end and the described gyro black assembly of described universal joint are that rotary type is connected.This universal joint can remain parallel to the ground, the setting of this universal joint, greatly increases the flexibility ratio of this gyro black assembly when rotating in a circumferential direction.
Preferably, described rock body also comprises one end and is connected with the telescopic end of described rock drilling telescopic arm, the universal joint pitching hydraulic cylinder that the other end is connected with the second end of described universal joint.The setting of this universal joint pitching hydraulic cylinder, can adjust angle of rake attitude, to realize the various boring attitudes of rock drilling arm component.
Preferably, when described pitching hydraulic cylinder actuate described rock drilling outer arm carry out elevating movement time, universal joint described in described universal joint pitching Driven by Hydraulic Cylinder carries out corresponding elevating movement to make described bracket maintenance level.
Preferably, described rock body also comprises one end and is connected with the second end of described universal joint, and the universal joint that the other end is connected with described gyro black assembly deflects hydraulic cylinder.
Preferably, when described deflection hydraulic cylinder actuate described rock drilling outer arm carry out yaw motion time, described in described universal joint deflection Driven by Hydraulic Cylinder, universal joint carries out corresponding yaw motion to make described bracket maintenance level.As can be seen here, the setting of this universal joint deflection hydraulic cylinder, not only play the effect keeping bracket level, simultaneously, also achieve and can be deflected at left and right directions by bracket, to make this bracket can be in same orientation with rock drilling arm component all the time, thus ensure that hammer drill can vertical work plane to be drilled all the time.Further, ensure that drilling quality.
According to the present invention, compared with prior art, this rock drilling device has the advantage that working range is wide, mobility strong, work is flexible, stability is high, shock resistance is strong, and the scalability also with drill boom is strong, can be applicable to the advantage of the work plane of different distance.
In addition, this rock drilling device has multiple degree of freedom, can realize the advantage of the various spatial attitudes needed for boring procedure, and also have that independent oil cylinder controls that single action, structure are simple, dependable performance and the low advantage of cost.
Accompanying drawing explanation
Also will be described in more detail the present invention with reference to accompanying drawing based on embodiment hereinafter.In the drawings:
Fig. 1 is the overall structure schematic diagram of the rock drilling device for jumbo of the embodiment of the application.
Fig. 2 is the plan structure schematic diagram of the rock drilling device for jumbo of the embodiment of the application.
In the accompanying drawings, identical parts use identical Reference numeral.Accompanying drawing is not according to the scaling of reality.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, Fig. 1 show schematically show this rock drilling device 100 comprise rock drilling arm component 1, deflection hydraulic cylinder 2, pitching hydraulic cylinder 3 and rock body 4.
In the embodiment of the application, this rock drilling arm component 1 is stretching structure, and it, by the driving of hydraulic cylinder (not shown), realizes elongation and the shortening of this rock drilling arm component 1.
This deflection hydraulic cylinder 2 is hinged to actuate rock drilling arm component 1 with the deflection end 111 of rock drilling arm component 1 and carries out yaw motion.By this structure, the deflection that rock drilling arm component 1 self geometric center lines relative is carried out to the left or to the right can be adjusted neatly, thus expand the working range of this rock drilling arm component 1, make it have higher flexibility ratio.Meanwhile, because rock drilling arm component 1 is fixed in jumbo (not shown) usually, and the volume ratio of jumbo is huger, not easily moves.Thus, the rock drilling arm component 1 in the application has larger working range and higher flexibility ratio, thus, also can carry out the boring work of next work plane 300 to be drilled, thus greatly increase drilling efficiency when jumbo does not move.
This pitching hydraulic cylinder 3 is hinged to actuate rock drilling arm component 1 with the deflection end 111 of rock drilling arm component 1 and carries out elevating movement.By this structure, the relative horizontal plane residing for self of this rock drilling arm component 1 can be controlled neatly and move up or down, to facilitate the boring work carrying out next work plane 300 to be drilled.Particularly, this pitching hydraulic cylinder 3 comprises cylinder body 31 and slidingtype is arranged in cylinder body 31, and can carry out stretching out or the expansion link 32 of retracting motion by opposing cylinder 1.This expansion link 32 is hinged with rock drilling arm component 1, by stretching out of expansion link 32, moves upward to actuate rock drilling arm component 1, by the retraction of expansion link 32, moves downward to actuate rock drilling arm component 1.As can be seen here, by setting up deflection hydraulic cylinder 2 and pitching hydraulic cylinder 3, greatly increase the degree of freedom of this rock drilling arm component 1 work, motion that is comprehensive, multi-angle can be carried out in solid space to make rock drilling arm component 1, thus expand the working range of rock drilling arm component 1 widely, improve the flexibility ratio that rock drilling arm component 1 works.
This rock body 4 is connected with rock drilling arm component 1, by the motion upwards, to the left or to the right of rock drilling arm component 1, thus drives this rock body 4 also to move accordingly downwards.Further, ensure that hammer drill 15 as described below can vertical work plane to be drilled 300 all the time, ensure the quality of boring, meet the demand of work.
As shown in Figure 1, in an embodiment of the application, this rock drilling device 100 also comprises mount pad 200, and this mount pad 200 is fixed on jumbo.Wherein, one end of this deflection hydraulic cylinder 2 and the upper end of mount pad 200 are that rotary type is connected, and the other end is connected with the deflection end 111 of rock drilling arm component 1.One end of this pitching hydraulic cylinder 3 and the lower end of mount pad 200 are for being articulated and connected, and the other end is connected for movable with the deflection end 111 of rock drilling arm component 1.Thus, just triangular structure is configured between this mount pad 200, deflection hydraulic cylinder 2 and pitching hydraulic cylinder 3.Based on the characteristic of triangular structure self, namely there is the advantage that stability is strong, thus, just improve stability when this rock drilling arm component 1 works.Further, drilling quality is ensured.
As depicted in figs. 1 and 2, in a preferred embodiment, rock body 4 comprises bracket 41 and to be arranged on bracket 41 and in order to be connected to the propeller 42 on work plane 300 to be drilled.The setting of this bracket 41, can play the effect of this propeller 42 of carrying.
In one embodiment, this propeller 42 can be slidingtype with bracket 41 and is connected.The setting of this propeller 42, can play and compress work plane 300 to be drilled and carry the effect that hammer drill 44 as described below carries out towards work plane 300 to be drilled moving.
In a preferred embodiment, be provided with between bracket 41 and propeller 42 and advance expansion loop 43, this propelling expansion loop 43 drives propeller 42 to move towards the direction of vertical work plane 300 to be drilled.Particularly, actuating propeller 42 by this propelling expansion loop 43 and move towards the direction of work plane 300 to be drilled, to make this propeller 42 can be pressed on work plane 300 to be drilled, thus providing location for holing.
As shown in Figure 1, in a preferred embodiment, rock body 4 also comprises slidingtype and is arranged on hammer drill 44 on propeller 42, and hammer drill 44 is under the drive of propeller 42, and the direction towards work plane 300 to be drilled is moved.As can be seen here, carry this hammer drill 44 towards while work plane 300 to be drilled movement at propeller 42, self also moving relative to this propeller 42 of this hammer drill 44, thus accelerate the rapid movement of this hammer drill 44 widely.
In a preferred embodiment, the diapire 411 of bracket 41 is provided with gyro black assembly 45, this gyro black assembly 45 can drive bracket 41 to rotate in a circumferential direction.Hole at hammer drill 44 and terminate or after a certain work plane 300 to be drilled completes boring, by the setting of this gyro black assembly 45, just can realize the fast fallback of this hammer drill 44, thus cost savings the time of hammer drill 44 action.In addition, during for ensureing that gyro black assembly 45 drives bracket 41 to turn round, can not interfere, therefore this gyro black assembly 45 should be arranged with bracket 41 keeping parallelism.Meanwhile, the setting of this gyro black assembly 45, can make hammer drill 4 correspondingly adjust, and to adapt to the work plane to be drilled 300 of different angles, further, makes hammer drill 45 can vertical work plane 300 to be drilled.As can be seen here, the setting of this gyro black assembly 45, considerably increases the working range of hammer drill 45.
In a specific embodiment, this gyro black assembly 45 can be oscillating oil cylinder.
In a preferred embodiment, between bracket 41 and gyro black assembly 45, be provided with bracket pitching hydraulic cylinder 46, carry out elevating movement to make the vertical work plane 300 to be drilled of bracket 41 by bracket pitching hydraulic cylinder 46 driven bracket 41.Particularly, when this bracket 41 is after adjustment, when still not keeping level, now by bracket pitching hydraulic cylinder 46 adjustment (when the side of bracket 41 be in up or down deflection time, then this bracket pitching hydraulic cylinder 46 just can be tilted upward or the reduction of downward one end, to make the entirety maintenance level of bracket 41), make the vertical work plane 300 to be drilled of bracket 41.Further, ensure that hammer drill 44 is when being pressed on work plane 300 to be drilled, can vertical this work plane 300 to be drilled, thus get out the boring of satisfying the demand.
In a preferred embodiment, this rock drilling arm component 1 comprises rock drilling outer arm 11 and slidingtype and to be arranged in rock drilling outer arm 11 and can to carry out stretching out or the rock drilling telescopic arm 12 of retraction movement by relative rock drilling outer arm 11, wherein, the deflection end 111 of this rock drilling outer arm 11 is hinged with deflection hydraulic cylinder 2, and the telescopic end 121 of rock drilling telescopic arm 12 is connected with rock body 4.Because rock drilling telescopic arm 12 can carry out stretching out or retracting motion by rock drilling outer arm 11 relatively, thus, greatly increase working range and the flexibility ratio of rock drilling arm component 1.
In addition, due to this rock drilling telescopic arm 12 and the longer dimension of relative rock drilling outer arm 11, for ensure this rock drilling telescopic arm 12 relative rock drilling outer arm 11 carry out stretching out or retracting motion time, rock drilling telescopic arm 12 is avoided to shake, thus, this rock drilling outer arm 11 and rock drilling telescopic arm 12 need be made all to adopt splicing weldering, and respective cross section is the rectangle or square of coupling mutually.Like this, compared with being circular drill boom with existing cross section, stability and shock resistance stronger.
As shown in Figure 1, in a preferred embodiment, this rock body 4 also comprises universal joint 47, the first end 471 of this universal joint 47 with gyro black assembly 45 for rotary type is connected.Wherein, this universal joint 47 can remain parallel to the ground.The setting of this universal joint 47, greatly increases the flexibility ratio of this gyro black assembly 45 when rotating in a circumferential direction.
As shown in Figure 2, in a preferred embodiment, this rock body 4 also comprises one end and is connected with the telescopic end 121 of rock drilling telescopic arm 12, the universal joint pitching hydraulic cylinder 48 that the other end is connected with the second end 472 of universal joint 47.The setting of this universal joint pitching hydraulic cylinder 48, can adjust the attitude of propeller 42, to realize the various boring attitudes of rock drilling arm component 1.
In a preferred embodiment, when pitching hydraulic cylinder 3 actuate rock drilling outer arm 11 carry out elevating movement time, universal joint pitching hydraulic cylinder 48 drives universal joint 47 to carry out corresponding elevating movement to make bracket 41 maintenance level.As can be seen here, this universal joint pitching hydraulic cylinder 48 serves and keeps bracket 41 to be in the effect of equilibrium state, thus makes this hammer drill 44 can vertical work plane 300 to be drilled, ensures drilling quality.
In a preferred embodiment, rock body 4 also comprises one end and is connected with the second end 472 of universal joint 47, and the universal joint that the other end is connected with gyro black assembly 45 deflects hydraulic cylinder 49.
In a preferred embodiment, when deflect hydraulic cylinder 2 actuate rock drilling outer arm 11 carry out yaw motion time, universal joint deflection hydraulic cylinder 49 drive universal joint 47 to carry out corresponding yaw motion to make bracket 41 maintenance level.As can be seen here, the setting of this universal joint deflection hydraulic cylinder 49, achieves the deflection of universal joint 47, thus drives bracket 41 also synchronously to deflect together.Further, the deflection to hammer drill 44 is achieved.As can be seen here, the setting of this universal joint deflection hydraulic cylinder 49, not only play the effect keeping bracket 41 level, simultaneously, also achieve and can be deflected at left and right directions by bracket 41, to make this bracket 41 can be in same orientation with rock drilling arm component 1 all the time, thus ensure that hammer drill 44 can vertical work plane to be drilled 300 all the time.Further, ensure that drilling quality.
According to the present invention, the specific works process of this rock drilling device 100 is, first, operating personnel determine rock drilling position (work plane 300 to be drilled).
Then, after rock drilling outer arm 11 is swung to suitable position, control deflection hydraulic cylinder 2, pitching hydraulic cylinder 3, rock drilling telescopic arm 12, universal joint deflection hydraulic cylinder 49, universal joint pitching hydraulic cylinder 48, gyro black assembly 45, bracket pitching hydraulic cylinder 46 and propeller 42 are all located in place respectively.
Next, action advances expansion loop 43, to make propeller 42 be pressed on work plane 300 to be drilled, completes location.
Finally, hammer drill 44 starts impact rotating, and propeller 42 carries the propelling of hammer drill 44.When drilling depth reaches desired depth, propeller 42 drives hammer drill 44 fast return till its bore bit exposes crag, completes boring.In the process, hammer drill 44 no longer performs and creeps into action.
In sum, this rock drilling device 100 has the advantage that working range is wide, mobility strong, work is flexible, stability is high, shock resistance is strong, and the scalability also with drill boom is strong, can be applicable to the advantage of the work plane of different distance.
In addition, this rock drilling device has multiple degree of freedom, can realize the advantage of the various spatial attitudes needed for boring procedure, and also have that independent oil cylinder controls that single action, structure are simple, dependable performance and the low advantage of cost.
Although invention has been described with reference to preferred embodiment, without departing from the scope of the invention, various improvement can be carried out to it and parts wherein can be replaced with equivalent.Especially, only otherwise there is structural hazard, the every technical characteristic mentioned in each embodiment all can combine in any way.The present invention is not limited to specific embodiment disclosed in literary composition, but comprises all technical schemes fallen in the scope of claim.
Claims (12)
1., for a rock drilling device for jumbo, comprising:
Rock drilling arm component;
Be hinged to actuate the deflection hydraulic cylinder that described rock drilling arm component carries out yaw motion with the deflection end of described rock drilling arm component;
Be hinged to actuate the pitching hydraulic cylinder that described rock drilling arm component carries out elevating movement with the described deflection end of described rock drilling arm component;
The rock body be connected with the telescopic end of described rock drilling arm component.
2. the rock drilling device for jumbo according to claim 1, is characterized in that, described rock body comprises bracket and to be arranged on described bracket and in order to be connected to the propeller on work plane to be drilled.
3. the rock drilling device for jumbo according to claim 2, is characterized in that, is provided with propelling expansion loop between described bracket and described propeller, and described propelling expansion loop drives described propeller to move towards the direction of vertical described work plane to be drilled.
4. the rock drilling device for jumbo according to claim 3, it is characterized in that, described rock body also comprises slidingtype and is arranged on hammer drill on described propeller, and described hammer drill is under described angle of rake drive, and the direction towards described work plane to be drilled is moved.
5. the rock drilling device for jumbo according to claim 2, is characterized in that, the diapire of described bracket is provided with gyro black assembly, and described gyro black assembly can drive described bracket to rotate in a circumferential direction.
6. the rock drilling device for jumbo according to claim 5, it is characterized in that, between described bracket and described gyro black assembly, be provided with bracket pitching hydraulic cylinder, carry out elevating movement to make the vertical described work plane to be drilled of described bracket by bracket described in described bracket pitching Driven by Hydraulic Cylinder.
7. the rock drilling device for jumbo according to claim 5, it is characterized in that, described rock drilling arm component comprises rock drilling outer arm and slidingtype and to be arranged in described rock drilling outer arm and can to carry out stretching out or the rock drilling telescopic arm of retracting motion by relative described rock drilling outer arm, wherein, deflection end and the described deflection hydraulic cylinder of described rock drilling outer arm are hinged, and the telescopic end of described rock drilling telescopic arm is connected with described rock body.
8. the rock drilling device for jumbo according to claim 7, is characterized in that, described rock body also comprises universal joint, and first end and the described gyro black assembly of described universal joint are that rotary type is connected.
9. the rock drilling device for jumbo according to claim 8, it is characterized in that, described rock body also comprises one end and is connected with the telescopic end of described rock drilling telescopic arm, the universal joint pitching hydraulic cylinder that the other end is connected with the second end of described universal joint.
10. the rock drilling device for jumbo according to claim 9, it is characterized in that, when described pitching hydraulic cylinder actuate described rock drilling outer arm carry out elevating movement time, universal joint described in described universal joint pitching Driven by Hydraulic Cylinder carries out corresponding elevating movement to make described bracket maintenance level.
11. rock drilling devices for jumbo according to claim 9, it is characterized in that, described rock body also comprises one end and is connected with the second end of described universal joint, the universal joint that the other end is connected with described gyro black assembly deflects hydraulic cylinder.
12. rock drilling devices for jumbo according to claim 11, it is characterized in that, when described deflection hydraulic cylinder actuate described rock drilling outer arm carry out yaw motion time, described in described universal joint deflection Driven by Hydraulic Cylinder, universal joint carries out corresponding yaw motion to make described bracket maintenance level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510608086.0A CN105221069B (en) | 2015-09-22 | 2015-09-22 | A kind of rock drilling device for drill jumbo |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510608086.0A CN105221069B (en) | 2015-09-22 | 2015-09-22 | A kind of rock drilling device for drill jumbo |
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| CN105221069A true CN105221069A (en) | 2016-01-06 |
| CN105221069B CN105221069B (en) | 2018-06-22 |
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| CN201510608086.0A Active CN105221069B (en) | 2015-09-22 | 2015-09-22 | A kind of rock drilling device for drill jumbo |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105525870A (en) * | 2016-02-24 | 2016-04-27 | 王占军 | Drill jumbo |
| CN106150496A (en) * | 2016-07-29 | 2016-11-23 | 中国矿业大学 | A kind of shearer gearhead breaker |
| CN106194173A (en) * | 2016-07-29 | 2016-12-07 | 中国矿业大学 | A kind of preposition breaker of winning machine cutting part |
| CN106938501A (en) * | 2017-04-11 | 2017-07-11 | 高雪萍 | A kind of rough stone block exploits equipment of punchinging |
| CN109184684A (en) * | 2018-08-28 | 2019-01-11 | 徐州天能矿山机械有限责任公司 | A kind of intelligence rock drill mining machinery |
| CN109577867A (en) * | 2019-01-10 | 2019-04-05 | 中国铁建重工集团有限公司 | Cantilever crane and drilling machine for drilling machine |
| CN109653680A (en) * | 2019-01-23 | 2019-04-19 | 四川大学 | A kind of drill jumbo mechanical arm of hydraulic gusseted and universal turning structure |
| CN109838243A (en) * | 2019-01-25 | 2019-06-04 | 中国铁建重工集团有限公司 | A kind of splitting device for tunnel excavation |
| CN109854169A (en) * | 2018-12-29 | 2019-06-07 | 中国铁建重工集团有限公司 | A kind of drill boom and the drill jumbo comprising it |
| CN109854264A (en) * | 2019-01-25 | 2019-06-07 | 中国铁建重工集团有限公司 | A kind of brill for tunnel excavation splits device |
| CN109882080A (en) * | 2019-01-29 | 2019-06-14 | 青岛达邦钻机有限责任公司 | All-hydraulic rock-drilling jumbo down-the-hole drill boom realizes telescopic method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525870A (en) * | 2016-02-24 | 2016-04-27 | 王占军 | Drill jumbo |
| CN106150496A (en) * | 2016-07-29 | 2016-11-23 | 中国矿业大学 | A kind of shearer gearhead breaker |
| CN106194173A (en) * | 2016-07-29 | 2016-12-07 | 中国矿业大学 | A kind of preposition breaker of winning machine cutting part |
| CN106150496B (en) * | 2016-07-29 | 2018-11-06 | 中国矿业大学 | A kind of shearer gearhead breaker |
| CN106938501A (en) * | 2017-04-11 | 2017-07-11 | 高雪萍 | A kind of rough stone block exploits equipment of punchinging |
| CN109184684A (en) * | 2018-08-28 | 2019-01-11 | 徐州天能矿山机械有限责任公司 | A kind of intelligence rock drill mining machinery |
| CN109854169A (en) * | 2018-12-29 | 2019-06-07 | 中国铁建重工集团有限公司 | A kind of drill boom and the drill jumbo comprising it |
| CN109577867A (en) * | 2019-01-10 | 2019-04-05 | 中国铁建重工集团有限公司 | Cantilever crane and drilling machine for drilling machine |
| CN109653680A (en) * | 2019-01-23 | 2019-04-19 | 四川大学 | A kind of drill jumbo mechanical arm of hydraulic gusseted and universal turning structure |
| CN109838243A (en) * | 2019-01-25 | 2019-06-04 | 中国铁建重工集团有限公司 | A kind of splitting device for tunnel excavation |
| CN109854264A (en) * | 2019-01-25 | 2019-06-07 | 中国铁建重工集团有限公司 | A kind of brill for tunnel excavation splits device |
| CN109882080A (en) * | 2019-01-29 | 2019-06-14 | 青岛达邦钻机有限责任公司 | All-hydraulic rock-drilling jumbo down-the-hole drill boom realizes telescopic method |
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Address after: 830026 Urumqi economic and Technological Development Zone, South Road, the Xinjiang Uygur Autonomous Region, No. 399 Co-patentee after: China Railway Construction Heavy Industry Group Co., Ltd. Patentee after: RAILWAY CONSTRUCTION HEAVY INDUSTRY XINJIANG CO., LTD. Address before: 830026 Urumqi economic and Technological Development Zone, South Road, the Xinjiang Uygur Autonomous Region, No. 399 Co-patentee before: China Railway Construction Heavy Industry Co.,Ltd. Patentee before: RAILWAY CONSTRUCTION HEAVY INDUSTRY XINJIANG CO., LTD. |