CN104033107A - Drilling equipment and drill arm - Google Patents
Drilling equipment and drill arm Download PDFInfo
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- CN104033107A CN104033107A CN201410270742.6A CN201410270742A CN104033107A CN 104033107 A CN104033107 A CN 104033107A CN 201410270742 A CN201410270742 A CN 201410270742A CN 104033107 A CN104033107 A CN 104033107A
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Abstract
The invention discloses drilling equipment and a drill arm. The drill arm is used for connecting a machine body of the drilling equipment and a sliding frame, and comprises a first connecting seat used for connecting the machine body and a second connecting seat used for connecting the slide frame, wherein the two connecting seats are parallel; the drill arm also comprises a main arm, two first adjusting arms and two second adjusting arms; the main arm is respectively hinged to the two connecting seats through a main crossed shaft; the first adjusting arms are respectively hinged to the first connecting seat and the main arm; the second adjusting arms are respectively hinged to the second connecting seat and the main arm; each adjusting arm is respectively of a telescopic structure; hinging positions of the main arm and the two first adjusting arms to the first connecting seat are not positioned in the same straight line; the second adjusting arms have the similar configuration; and the axial line of the main crossed shaft is respectively and mutually parallel to the corresponding axial lines of the crossed shaft of each adjusting arm. The drill arm has the advantages that the slide frame and a drill pipe can be enabled to perform parallel moving; the parallel drilling is achieved; the self structure of the drill arm is greatly simplified; and the cost is reduced.
Description
Technical field
The present invention relates to tunnel or tunnel exploitation and transportation technology field, particularly a kind of rig and drill boom.
Background technology
Drill loader is compared with hard tunnel and design and develop have the functions such as location, punching, rewinding, dedusting in the multifunctional hole-drilling equipment of one for rock, drill loader comprises drilling part and hoeing portion, drilling part mainly comprises drilling rod, balladeur train and drill boom, drilling rod is arranged on balladeur train, and balladeur train is connected to the fuselage of drill loader by drill boom.
When drill loader carries out bore operation, conventionally need on work plane, drill through a plurality of holes, and conventionally require each hole to be parallel to each other, yet, when hole at conversion bore position in the drilling part of drill loader, drill loader drives drill boom to swing, and then drive balladeur train and drilling rod, along with swinging up and down of drill boom, the angle of inclination of balladeur train and drilling rod also can change, therefore, when converting new bore position, also need again balladeur train and drilling rod to be adjusted to level, can level with the hole that guarantees to drill through, make each hole can be parallel, operation is comparatively complicated, affect operating efficiency, and control and be easy to produce operate miss by manual operation, be difficult to guarantee being parallel to each other between boring.
Existing drill loader can parallel in order to realize balladeur train and drilling rod; its drill boom has adopted four-bar linkage structure as shown in Figure 1; comprise the unsteady vertical shaft 2 that is hinged, fixedly vertical shaft 6, top rail 3 and lower transverse beam 4; balladeur train 1 is arranged on and floats on vertical shaft 2; fixedly vertical shaft 6 is arranged on drill loader; the hoist cylinder 5 of drill boom is arranged on top rail 3 and fixedly between vertical shaft 6, the oil cylinder that swings can be arranged on fixedly vertical shaft 6 rear portions conventionally.The drill boom of this four-bar linkage structure can guarantee that balladeur train and drilling rod realize parallel, but, in this structure, adopt fixedly vertical shaft 6 to be connected with drill loader fuselage, fixedly vertical shaft 6 rear portions need to be provided for separately the angling cylinder swinging, just can make this four-bar linkage structure realize and swing, this has increased structure complexity and cost; And hoist cylinder 5 is arranged in two narrow spaces between crossbeam, the daily dismounting maintenance work of hoist cylinder 5 is very limited, once hoist cylinder needs repairing, can affect boring operating efficiency.
Summary of the invention
In view of this, one of the object of the invention is to propose a kind of drill boom, and it can make balladeur train and drilling rod realize parallel, is convenient to realize parallel boring, and this drill boom is simple in structure, and cost is lower, is easy to produce implement.
Particularly, this drill boom, for connecting fuselage and the balladeur train of described rig, comprising:
For connect the first Connection Block of described fuselage with for being connected the second Connection Block of described balladeur train, described the first Connection Block is parallel with described the second Connection Block;
Principal arm, it is hinged that main cross axle and described the first Connection Block and described the second Connection Block are passed through respectively in the two ends of described principal arm;
Two the first regulating arms, the first end of described the first regulating arm is hinged to described the first Connection Block by the first regulating arm cross axle, and the second end of described the first regulating arm is hinged to described principal arm;
Two the second regulating arms, the first end of described the second regulating arm is hinged to described the second Connection Block by the second regulating arm cross axle, and the second end of described the second regulating arm is hinged to described principal arm;
Wherein, described the first regulating arm and described the second regulating arm are telescopic structure;
Described principal arm, two described the first regulating arms respectively with the hinged position of described the first Connection Block not on same straight line; Described principal arm and two described the second regulating arms respectively with the hinged position of described the second Connection Block not on same straight line;
The axis of described main cross axle is parallel to each other with the respective axes of described the first regulating arm cross axle, described the second regulating arm cross axle respectively.
Further, two described the first regulating arms are positioned at the below of described principal arm, and two described the first regulating arm cross axles are positioned at the down either side of described main cross axle;
Two described the second regulating arms are positioned at the top of described principal arm, and two described the second regulating arm cross axles are positioned at above the both sides of described main cross axle.
Further, one group of dead in line of correspondence in two described the first regulating arm cross axles, and this group axis is horizontal direction;
And/or, one group of dead in line of correspondence in two described the second regulating arm cross axles, and this group axis is horizontal direction.
Further, two described the first regulating arms are hinged to described principal arm by first arm seat jointly; Two described the first regulating arms are hinged by the first jointed shaft and described the first arm seat respectively, and two described the first jointed shafts are equal to the distance of described the first Connection Block;
Two described the second regulating arms are hinged to described principal arm by second arm seat jointly; Two described the second regulating arms are hinged by the second jointed shaft and described the second arm seat respectively, and two described the second jointed shafts are equal to the distance of described the second Connection Block.
Further, the first regulating arm, described principal arm and described the first Connection Block form the first triangle, and the second regulating arm, described principal arm and described the second Connection Block form the second triangle, and described the first triangle and the second triangle are similar triangles.
Further, described the first regulating arm and described the second regulating arm are hydraulic jack.
Further, the ratio of the cylinder barrel section area of described the first regulating arm and the cylinder barrel section area of described the second regulating arm, equals described the first leg-of-mutton area and described the second leg-of-mutton area ratio.
Further, the cylinder barrel section area of described the first regulating arm is greater than the cylinder barrel section area of described the second regulating arm.
Further, the piston rod of described the first regulating arm and described the first Connection Block are hinged; The piston rod of the second regulating arm and described the second Connection Block are hinged.
The first Connection Block of drill boom of the present invention is for connecting the fuselage of rig, the second Connection Block is for connecting the balladeur train of rig, between the first Connection Block and the second Connection Block, pass through principal arm, the first regulating arm is connected with the second regulating arm, control the upper and lower of the flexible drive principal arm of the first regulating arm and the second Connection Block and move left and right, control flexible adjustment the second Connection Block and the first Connection Block keeping parallelism of the second regulating arm, therefore, by controlling the first regulating arm, the stretching speed of the second regulating arm and mode, can realize relative the second Connection Block parallel of the first Connection Block, and then can make balladeur train and drilling rod realize parallel, be convenient to realize parallel boring.This drill boom has been cancelled existing fixedly vertical shaft, and further allow to cancel the angling cylinder being arranged on after fixing vertical shaft, and the form of structure of employing regulating arm replaced original hoist cylinder and angling cylinder, thus greatly simplified drill boom structure, and reduced its manufacturing cost, be easy to manufacture.
Rig of the present invention is provided with above-mentioned drill boom, therefore also has above-mentioned identical technique effect, repeats no more.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 connects the four-bar linkage structure of balladeur train and fuselage in the rig of prior art;
Fig. 2 is the structural representation of drill boom in embodiments of the invention.
Description of reference numerals
In prior art
1-balladeur train; The 2-vertical shaft that floats; 3-top rail; 4-lower transverse beam; 5-hoist cylinder; 6-is vertical shaft fixedly;
In the embodiment of the present invention
10-the first Connection Block; 20-the second Connection Block; 30-principal arm; The main cross axle of 31-; 40-the first regulating arm; 41-the first regulating arm cross axle; 42-the first arm seat; 50-the second regulating arm; 51-the second regulating arm cross axle; 52-the second arm seat.
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the present invention can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Fig. 2 is the structural representation of drill boom in embodiments of the invention.Referring to this Fig. 2, drill boom in this embodiment comprises the first Connection Block 10 and the second Connection Block 20, the first Connection Block 10 is for connecting the fuselage of rig, and the second Connection Block 20 is for connecting the balladeur train of rig, and the first Connection Block 10 and the second Connection Block 20 be arranged in parallel.This drill boom also comprises principal arm 30, and it is hinged that main cross axle 31 and the first Connection Block 10 and the second Connection Block 20 are passed through respectively in the two ends of principal arm 30.This drill boom also comprises two the first regulating arms 40 and two the second regulating arms 50, the first regulating arm 40 and the second regulating arm 50 are telescopic structure, the first end of the first regulating arm 40 is hinged to the first Connection Block 10 by the first regulating arm cross axle 41, its second end is hinged to principal arm 30, the first end of the second regulating arm 50 is hinged to the second Connection Block 20 by the second regulating arm cross axle 51, and its second end is hinged to principal arm 30; Wherein, principal arm 30 and two the first regulating arms 40 respectively with the hinged position of the first Connection Block 10 not on same straight line, principal arm 30 and two the second regulating arms 50 respectively with the hinged position of the second Connection Block 20 not on same straight line; And two vertical axis of main cross axle 31, be parallel to each other with the respective axes of the first regulating arm cross axle 41 and the second regulating arm cross axle 51 respectively, for example, if two axis of main cross axle are respectively level and vertical, two axis of the first regulating arm cross axle 41 and the second regulating arm cross axle 51 are also all respectively level and vertical.
In this embodiment, the first Connection Block 10 of drill boom is for connecting the fuselage of rig, the second Connection Block 20 is for connecting the balladeur train of rig, between the first Connection Block 10 and the second Connection Block 20, pass through principal arm 30, the first regulating arm 40 is connected with the second regulating arm 50, control the upper and lower of the flexible drive principal arm 30 of the first regulating arm 40 and the second Connection Block 20 and move left and right, control flexible adjustment the second Connection Block 20 and first Connection Block 10 keeping parallelisms of the second regulating arm 40, therefore, by controlling the first regulating arm 40, the stretching speed of the second regulating arm 50 and mode, can realize relative the first Connection Block 10 parallels of the second Connection Block 20, and then can make balladeur train and drilling rod keeping parallelism move, realize parallel boring.This drill boom has been cancelled existing fixedly vertical shaft, and further allow to cancel the angling cylinder being arranged on after fixing vertical shaft, and the form of structure of employing regulating arm replaced original hoist cylinder and angling cylinder, thus greatly simplified drill boom structure, and reduced its manufacturing cost, be easy to manufacture.
Should be understood that, conventionally principal arm 30 adopts thicker steel pipe or bar than regulating arm, corresponding main cross axle 31 is also larger than the size of regulating arm cross axle, each cross axle all has orthogonal two axis, adopts the hinged parts of cross axle structure can be respectively around two axis of cross axle, to rotate.The first regulating arm 40 is rationally set in this embodiment, position relationship between the second regulating arm 50 and principal arm, and two axis of main cross axle are parallel to each other with the respective axes of the first regulating arm cross axle 41 and the second regulating arm cross axle 51 respectively, degree of freedom while mutually moving in order to limit the first Connection Block 10 and the second Connection Block 20, thereby make the drill boom in this embodiment easier of flexible relative first Connection Block 10 parallels of the second Connection Block 20 of realizing of the first regulating arm 40 and the second regulating arm 50, more easily realize the parallel of the relative fuselage of balladeur train.
The first regulating arm 40 and the second regulating arm 50 in this embodiment are telescopic structure, take the first regulating arm 40 and the second regulating arm 50 to be below hydraulic jack and the structure of the drill boom of this embodiment and working method to be elaborated as example.Although one skilled in the art will appreciate that the present embodiment take hydraulic jack as example, in other embodiments, the first regulating arm 40 and the second regulating arm 50 can also adopt other telescopic structures such as leading screw, the present invention is not construed as limiting this.
As shown in Figure 2, two the first regulating arms 40 are positioned at the below of principal arm 30, and two the first regulating arm cross axles 41 are positioned at the down either side of main cross axle 31; Two the second regulating arms 50 are positioned at the top of principal arm 30, and two the second regulating arm cross axles 51 are positioned at above the both sides of main cross axle 31.More convenient so flexible relative the first Connection Block 10 of the second Connection Block 20 of controlling by the first regulating arm 40 and the second regulating arm 50 relatively moves to all directions.
Corresponding one group of dead in line in two the first regulating arm cross axles 41, and this group axis is horizontal direction, in like manner, preferably, one group of dead in line of correspondence in two the second regulating arm cross axles 51, and this group axis is horizontal direction.Further, the second end of two the first regulating arms 40 is hinged to principal arm 30 by first arm seat 42 jointly, the second end of two the first regulating arms 40 is hinged by first jointed shaft and the first arm seat 42 respectively, and two the first jointed shafts equate with the distance of the first Connection Block 10; Preferably, the second end of two the second regulating arms is hinged to principal arm 30 by second arm seat 52 jointly, the second end of two the second regulating arms 40 is hinged by second jointed shaft and the second arm seat 52 respectively, and two the second jointed shafts equate with the distance of the second Connection Block 10.This structure is arranged so that when controlling relative the first Connection Block 10 swing of the second Connection Block 20, more easily control the stretching speed of the first regulating arm 40, the second regulating arm 50 and realize the parallel of relative the first Connection Block 10 of the second Connection Block 20, thereby more easily guarantee the relative fuselage parallel of balladeur train.
When relative the first Connection Block 10 of the second Connection Block 20 swings, in order to control better the stretching speed of the first regulating arm 40 and the second regulating arm 50, to be parallel while keeping relative the first Connection Block 10 of the second Connection Block 20 to swing, the first regulating arm 40 in this embodiment, principal arm 30 and the first Connection Block 10 form the first triangle, and three interconnects the triangle of the line formation of position; The second regulating arm 50, principal arm 30 and the second Connection Block 20 form the second triangle, this first triangle and the second triangle are similar triangles, thereby when the flexible drive main swing arm of the first regulating arm 40, the stretching speed of more easily controlling the second regulating arm 50 according to the speed of the first regulating arm 40 is adjusted the second Connection Block 20, guarantees that relative the first Connection Block 10 of the second Connection Block 20 is parallel.
As mentioned above, in this embodiment, the first regulating arm 40 and the equal preferred disposition of the second regulating arm 50 are hydraulic jack, in order to arrange better oil cylinder, the piston rod of the first regulating arm 40 and the second regulating arm 50 is connected with the second Connection Block 20 with the first Connection Block 10 respectively, and the end of cylinder barrel is connected on principal arm.Hydraulic jack flexible by carrying in oil cylinder or realizing from output hydraulic pressure oil in oil cylinder, therefore, flexible being easy to of its regulating arm realized by hydraulic system reasonable in design.In view of varying in size of the cylinder diameter of hydraulic jack or the cylinder barrel sectional area of hydraulic jack understood the stretching speed that affect hydraulic cylinder piston rod, therefore, preferably, the ratio of the cylinder barrel section area of the first regulating arm 40 in this embodiment and the cylinder barrel section area of the second regulating arm 50, equals aforesaid the first triangle and the second leg-of-mutton area ratio.Like this stretching speed of the first regulating arm 40 and the second regulating arm 50 is controlled to a fixing ratio, just can guarantees relative the first Connection Block 10 parallels of the second Connection Block 20, thereby more easily realize the parallel of the relative fuselage of balladeur train.
Owing to driving the first regulating arm 40 of principal arm 30 to need larger active force, therefore larger than the hydraulic jack of the second regulating arm 50 of the cylinder barrel section area of the hydraulic jack of the first regulating arm 40 in this embodiment, shown in Figure 2, the second triangle that the first triangle that the first regulating arm 40 forms forms than the second regulating arm 50 is also larger.
What need to again illustrate is, the first regulating arm and the second regulating arm in this embodiment of the present invention are configured to hydraulic jack, also can be configured in other embodiments the mode being coordinated with screw by motor-driven leading screw, be easy to like this control by motor speed the stretching speed of leading screw, in addition, also can adopt other telescopic structures, not repeat them here.
Other embodiment of the present invention also provide a kind of rig, and this rig is preferably drill loader, and it is provided with fuselage and balladeur train, are also provided with the drill boom that above-described embodiment provides, and balladeur train is connected to fuselage by this drill boom.Except drill loader, rig of the present invention can also be that other connect the rig of fuselage and balladeur train by drill boom, for example, and hydraulic drill ring or hydraulic drill rig etc.
Shown in Fig. 2, the drill boom of this rig is in swing process, if balladeur train need to be moved up, can control two the first regulating arms 40 and stretch out simultaneously, the left end of lifting principal arm 30, controls two the second regulating arms 50 simultaneously and adopts suitable speed to stretch out, the second Connection Block 20 is swung around principal arm 30, the second Connection Block 20 is in swing process, and its relative first Connection Block 10 is parallel, and the balladeur train being therefore connected on the second Connection Block 20 can move relative to fuselage keeping parallelism; As balladeur train need moved down time, control the first regulating arm 40, second regulating arm 50 is synchronous retracts.As balladeur train being moved to the left, the first regulating arm 40 that can control right side stretches out, first regulating arm 40 in left side is synchronously retracted, drive principal arm to swing left, the second regulating arm 50 of simultaneously controlling left side stretches out with suitable speed, second regulating arm 50 on right side is synchronously retracted, the second Connection Block 20 is swung around principal arm 30, the second Connection Block 20 is in swing process, its relative first Connection Block 10 is parallel, and the balladeur train being therefore connected on the second Connection Block 20 can move relative to fuselage keeping parallelism; As balladeur train moved right, can, referring to aforesaid operations, repeat no more.
Rig of the present invention adopts the drill boom of above-described embodiment, therefore also can realize the beneficial effect identical with drill boom, can be by controlling the first regulating arm, the stretching speed of the second regulating arm and mode, realize relative the first Connection Block parallel of the second Connection Block, and then can make balladeur train and drilling rod realize parallel, be convenient to realize parallel boring, the drill boom that this rig adopts has been cancelled existing fixedly vertical shaft, and further allow to cancel the angling cylinder being arranged on after fixing vertical shaft, and adopt the form of structure of regulating arm to replace original hoist cylinder and angling cylinder, thereby greatly simplified drill boom structure, and reduced its manufacturing cost, be easy to manufacture.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a drill boom, for connecting fuselage and the balladeur train of described rig, is characterized in that, comprising:
For connect first Connection Block (10) of described fuselage with for being connected second Connection Block (20) of described balladeur train, described the first Connection Block (10) is parallel with described the second Connection Block (20);
Principal arm (30), it is hinged that main cross axle and described the first Connection Block (10) and described the second Connection Block (20) are passed through respectively in the two ends of described principal arm (30);
Two the first regulating arms (40), the first end of described the first regulating arm (40) is hinged to described the first Connection Block (10) by the first regulating arm cross axle (41), and the second end of described the first regulating arm (40) is hinged to described principal arm (30);
Two the second regulating arms (50), the first end of described the second regulating arm (50) is hinged to described the second Connection Block (20) by the second regulating arm cross axle (51), and the second end of described the second regulating arm (50) is hinged to described principal arm (30);
Wherein, described the first regulating arm (40) and described the second regulating arm (50) are telescopic structure;
Described principal arm (30), two described the first regulating arms (40) respectively with the hinged position of described the first Connection Block (10) not on same straight line; Described principal arm (30) and two described the second regulating arms (50) respectively with the hinged position of described the second Connection Block (20) not on same straight line;
The axis of described main cross axle is parallel to each other with the respective axes of described the first regulating arm cross axle (41), described the second regulating arm cross axle (51) respectively.
2. drill boom according to claim 1, is characterized in that, two described the first regulating arms (40) are positioned at the below of described principal arm (30), and two described the first regulating arm cross axles (41) are positioned at the down either side of described main cross axle;
Two described the second regulating arms (50) are positioned at the top of described principal arm (30), and two described the second regulating arm cross axles (51) are positioned at above the both sides of described main cross axle.
3. drill boom according to claim 2, is characterized in that, one group of dead in line of correspondence in two described the first regulating arm cross axles (41), and this group axis is horizontal direction;
And/or, one group of dead in line of correspondence in two described the second regulating arm cross axles (51), and this group axis is horizontal direction.
4. drill boom according to claim 3, is characterized in that, two described the first regulating arms (40) are hinged to described principal arm (30) by first arm seat jointly; Two described the first regulating arms (40) are hinged by the first jointed shaft and described the first arm seat respectively, and two described the first jointed shafts are equal to the distance of described the first Connection Block (10);
Two described the second regulating arms (50) are hinged to described principal arm (30) by second arm seat jointly; Two described the second regulating arms (50) are hinged by the second jointed shaft and described the second arm seat respectively, and two described the second jointed shafts are equal to the distance of described the second Connection Block (20).
5. drill boom according to claim 4, it is characterized in that, the first regulating arm (40), described principal arm (30) and described the first Connection Block (10) form the first triangle, the second regulating arm (50), described principal arm (30) and described the second Connection Block (20) form the second triangle, and described the first triangle and the second triangle are similar triangles.
6. drill boom according to claim 5, is characterized in that, described the first regulating arm (40) and described the second regulating arm (50) are hydraulic jack.
7. drill boom according to claim 6, it is characterized in that, the ratio of the cylinder barrel section area of the cylinder barrel section area of described the first regulating arm (40) and described the second regulating arm (50), equals described the first leg-of-mutton area and described the second leg-of-mutton area ratio.
8. drill boom according to claim 7, is characterized in that, the cylinder barrel section area of described the first regulating arm (40) is greater than the cylinder barrel section area of described the second regulating arm (50).
9. according to the drill boom described in claim 6,7 and 8, it is characterized in that, the piston rod of described the first regulating arm (40) and described the first Connection Block (10) are hinged; The piston rod of the second regulating arm (50) and described the second Connection Block (20) are hinged.
10. a rig, is provided with fuselage and balladeur train, it is characterized in that, is also provided with the drill boom as described in any one in claim 1-9, and described balladeur train is connected to described fuselage by described drill boom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270742.6A CN104033107B (en) | 2014-06-17 | 2014-06-17 | Drilling equipment and drill arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270742.6A CN104033107B (en) | 2014-06-17 | 2014-06-17 | Drilling equipment and drill arm |
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| Publication Number | Publication Date |
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| CN104033107A true CN104033107A (en) | 2014-09-10 |
| CN104033107B CN104033107B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410270742.6A Active CN104033107B (en) | 2014-06-17 | 2014-06-17 | Drilling equipment and drill arm |
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| Country | Link |
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| CN (1) | CN104033107B (en) |
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| CN105525870A (en) * | 2016-02-24 | 2016-04-27 | 王占军 | Drill jumbo |
| CN109736717A (en) * | 2019-03-07 | 2019-05-10 | 厦门森那美信昌机器工程有限公司 | A kind of excavation drilling machine freedom degree regulating device |
| CN110821394A (en) * | 2019-11-29 | 2020-02-21 | 新昌县羽林街道巨晖机械厂 | Tunnel rock drilling equipment for drilling and blasting construction |
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| CN203383729U (en) * | 2013-07-08 | 2014-01-08 | 李小祥 | Translation arm of drill jambo |
| CN203604294U (en) * | 2013-12-03 | 2014-05-21 | 襄阳亚舟重型工程机械有限公司 | Parallel movement mechanism of hydraulic drill boom |
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| US3957124A (en) * | 1974-08-16 | 1976-05-18 | Bernard Desourdy | Tunnel-drilling truck |
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| CN109736717A (en) * | 2019-03-07 | 2019-05-10 | 厦门森那美信昌机器工程有限公司 | A kind of excavation drilling machine freedom degree regulating device |
| CN110821394A (en) * | 2019-11-29 | 2020-02-21 | 新昌县羽林街道巨晖机械厂 | Tunnel rock drilling equipment for drilling and blasting construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104033107B (en) | 2017-01-25 |
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