CN209510280U - The power transmitting assembly of essential safety and the core-drill(ing) machine for using it - Google Patents

Abstract

The power transmitting assembly of the utility model essential safety and it is related to using its core-drill(ing) machine a kind of for preventing drilling machine from falling to bore the power transmitting assembly of accident.Its purpose is to provide a kind of power transmitting assembly of structure essential safety simple, high reliablity, can effectively prevent the generation of brill accident and using its core-drill(ing) machine.The power transmitting assembly of the utility model essential safety includes power head and the dynamic head main spindle that is set in inside power head, power head is connected with driving element, dynamic head main spindle connects boring tool, dynamic head main spindle includes easily broken section pre-seted and the firm section that easily broken section of two sides are arranged in, fall arrest component is installed in the firm section close to the side of boring tool, fall arrest component is fixed between power head and dynamic head main spindle, when fracture occurring and the tenesmus part on dynamic head main spindle close to boring tool is made to fall for easily broken section, fall arrest component can prevent falling for the tenesmus part of dynamic head main spindle.

Description

The power transmitting assembly of essential safety and the core-drill(ing) machine for using it

Technical field

The utility model relates to a kind of core-drill(ing) machine fields, more particularly to one kind for preventing drilling machine from falling brill accident Core-drill(ing) machine power transmitting assembly and use its core-drill(ing) machine.

Background technique

Existing core-drill(ing) machine includes the driving element (such as hydraulic motor) being used to provide power, is connected with driving element Power transmitting assembly and the boring tool (such as drilling rod or drilling tool) that is connected with power transmitting assembly, driving element is by power Power transmitting assembly is passed to, power transmitting assembly is responsible for transmit on power to boring tool again, and then drives boring tool Rotation, and the lower pressure of feed mechanism can be transmitted or promote power, it is bit cutting rock, obtains core, and completes probing Mentioning afterwards is drilled well and provides power needed for all.

The dynamic head main spindle that power transmitting assembly generally includes power head and is set in power head, power head and driving member Part connection, dynamic head main spindle connect boring tool such as drilling rod, and in power head work, main shaft carries whole torque, curved Square and impact are to bear to load maximum core part on power head, this is also that load is born in core-drill(ing) machine is maximum, most crucial Part, due to underground working complexity, in the prior art dynamic head main spindle, the payload size milli born at each position thereon Irregular, any one position may all occur tired timeliness and there is the possibility being broken, therefore be difficult to dynamic head main spindle The upper position being easily broken is estimated in advance, is also just difficult to that corresponding remedial measure is taken thoroughly to avoid above situation.

The dynamic head main spindle of core-drill(ing) machine in the prior art can not thoroughly avoid tired actual effect.It constructs in core drilling In, since the dynamic head main spindle of the down hole drills such as drilling rod, drilling tool tool and rock-core borer is connected directly, when dynamic head main spindle occurs When fatigue failure, the main shaft of fracture can with the gravity traction of down hole drill tool shaft bottom of falling together, and then lead to drill bit Scrap, drilling tool is stuck, drilling rod deformation etc. consequences.It is such fall brill accident result even in the drilling well when serious and thoroughly scrap, All that has been achieved is spoiled for entire drilling project.

Utility model content

That the technical problem to be solved by the present invention is to provide a kind of structures is simple, high reliablity, can effectively prevent The power transmitting assembly for the essential safety that brill accident occurs and the core-drill(ing) machine for using it.

The power transmitting assembly of the utility model essential safety, the power transmitting assembly are used for power on core-drill(ing) machine Boring tool is transmitted to by driving element, the power transmitting assembly includes power head and is set in inside the power head Dynamic head main spindle, the power head are connected with the driving element, and the dynamic head main spindle connects the boring tool, described dynamic Power head main shaft includes easily broken section pre-seted and the firm section that the easily broken section of two sides are arranged in, and is located at close to the driller Fall arrest component is installed, the fall arrest component is fixed on the power head and moves with described in the firm section of the side of tool Between power head main shaft, fracture occurs when described easily broken section and makes to send out on dynamic head main spindle close to the tenesmus part of the boring tool When life is fallen, the fall arrest component can prevent falling for the tenesmus part of the dynamic head main spindle.

The power transmitting assembly of the utility model essential safety, wherein easily broken section of the diameter is less than the power head master The diameter of the other parts of axis.

The power transmitting assembly of the utility model essential safety, wherein the fall arrest component includes the first taper roller axis It holds, the inner ring of first tapered roller bearing can block the tenesmus part of the dynamic head main spindle, the first circular cone rolling The outer ring of sub- bearing can prevent the tenesmus part of the dynamic head main spindle to the small of the conical surface of first tapered roller bearing Bore direction is shaken off.

The power transmitting assembly of the utility model essential safety, wherein described easily broken section of the dynamic head main spindle with it is close The junction of the firm section of the side of the boring tool is provided with the shaft shoulder, and the first tapered roller bearing set, which is attached to, to be leaned on In the firm section of the side of the nearly boring tool and it is resisted against on the shaft shoulder.

The power transmitting assembly of the utility model essential safety, wherein the fall arrest component further includes being fixedly installed in institute The first flange pressing plate on power head is stated, the first flange pressing plate is located at first tapered roller bearing close to the probing It the side of tool and is resisted against on first tapered roller bearing, the first flange pressing plate can roll first circular cone The outer ring of sub- bearing forms barrier effect.

The power transmitting assembly of the utility model essential safety further includes erosion control top part, and the erosion control top part includes Second tapered roller bearing, when fracture occurs for the dynamic head main spindle and when by reversed impact force, the second circular cone rolling The inner ring of sub- bearing and the axial freedom of the part of rushing to summit of the dynamic head main spindle are consistent, the second taper roller axis The outer ring held can limit its inner ring and prevent the part of rushing to summit of the dynamic head main spindle to second tapered roller bearing The small-bore direction of the conical surface shake off.

The power transmitting assembly of the utility model essential safety, wherein described easily broken section of the dynamic head main spindle with it is separate The junction of the firm section of the side of the boring tool is provided with the shaft shoulder, and the second tapered roller bearing set is attached to far In the firm section of side from the boring tool and it is resisted against on the shaft shoulder.

The power transmitting assembly of the utility model essential safety, wherein the preventing colliding with top component further includes being fixedly installed in institute The second flange pressing plate on power head is stated, the second flange pressing plate is located at the end on the power head far from the boring tool Portion, the second flange pressing plate can be formed the part of rushing to summit of second tapered roller bearing and the dynamic head main spindle Barrier effect.

A kind of core-drill(ing) machine, the core-drill(ing) machine include the power transmitting assembly of any of the above-described essential safety.

The power transmitting assembly of the utility model essential safety and the core-drill(ing) machine difference from prior art for using it It is that the power transmitting assembly of the utility model essential safety, the dynamic head main spindle include that easily broken section pre-seted and setting exist The firm section of easily broken section of two sides, and fall arrest component is installed in the firm section close to the side of the boring tool, So that the power transmission component inherently has the characteristic of anti-lost brill, even if ensuring when the dynamic head main spindle is broken The main shaft of fracture will not fall together well with drilling tool, it is ensured that the user of drilling machine will not because of dynamic head main spindle failure and occur Fall brill accident.Make power transmission component itself that there is safety by default means, i.e., the described power transmission component is essential peace It is complete, even if the generation that will not be caused the accident in maloperation or in the case where break down.The use of the new type essential safety Power transmission component increases the safety coefficient of drilling operation, reduces drilling accident, reduces drilling operation risk, effectively saves Drilling cost, improves benefit.

In the power transmitting assembly of the utility model essential safety and core-drill(ing) machine using it, described easily broken section is described Most thin part on dynamic head main spindle is the position that fracture is most likely to occur on the dynamic head main spindle, i.e., described easily broken section i.e. For in " weak area " that the design phase of the dynamic head main spindle is reserved；Fall arrest component includes the first tapered roller bearing, when When the dynamic head main spindle is broken, gravity traction of the dynamic head main spindle by boring tool, the dynamic head main spindle On attempt the part that drops and can be blocked completely by the inner ring of the first tapered roller bearing, and bearing outer ring can prevent it is described dynamic The tenesmus part of power head main shaft is shaken off to the small-bore direction of the conical surface of first tapered roller bearing, to realize described anti- Component fall to the anti-falling function of the dynamic head main spindle；Fall arrest component further includes first flange pressing plate, first method Blue pressing plate, which can be formed the outer ring of first tapered roller bearing, to be stopped to act on, therefore the power head of failure fracture Main shaft can not only drop with the gravity traction of the boring tool, additionally it is possible to what prevention was connected with the dynamic head main spindle The tenesmus of the boring tool, to effectively prevent brill accident；The erosion control top part includes the second tapered roller bearing, When the dynamic head main spindle is broken and by reversed impact force, second tapered roller bearing be can be realized pair The preventing colliding with top of the part of rushing to summit of the dynamic head main spindle acts on；The erosion control top part further includes second flange pressing plate, and described Two flanges realize the barrier effect to second tapered roller bearing, and then being formed prevents the dynamic head main spindle from rushing to summit Double action, avoid security risk caused by " rushing to summit " accident.

Power transmitting assembly to the essential safety of the utility model and the core-drill(ing) machine work using it with reference to the accompanying drawing It further illustrates.

Detailed description of the invention

Fig. 1 is the power transmitting assembly of the utility model essential safety and the dynamic head main spindle of the core-drill(ing) machine using it Main view；

Fig. 2 is the power transmitting assembly of the utility model essential safety and the power head and power of the core-drill(ing) machine using it The assembling schematic diagram of head main shaft.

Power head -1, dynamic head main spindle -2, easily broken section -21, firm section -22, shaft shoulder -23, the first tapered roller bearing -3, First flange pressing plate -4, the second tapered roller bearing -5, second flange pressing plate -6.

Specific embodiment

In the utility model, in various figures, identical element is indicated using same or similar appended drawing reference.For For the sake of clear, the various pieces in attached drawing are not necessarily to scale.Unless the context clearly requires otherwise, otherwise the whole instruction and The analogous terms such as the "include", "comprise" in claims should be construed as the meaning for including rather than exclusive or exhaustive contain Justice；That is, the meaning for being " including but not limited to ".

In this application, " essential safety " refers to makes production equipment or production system itself have peace by means such as designs Quan Xing, even if the function that will not be caused the accident in maloperation or in the case where break down.

It is dynamic due to the down hole drills such as drilling rod, drilling tool tool and rock-core borer in the core drilling construction of the prior art Power head main shaft 2 is connected directly, and when fatigue failure occurs for dynamic head main spindle 2, the dynamic head main spindle 2 of fracture can be with down hole drill The gravity traction of tool acts on and shaft bottom of falling together, and then causes drill bit to be scrapped, after drilling tool is stuck, drilling rod deformation etc. is serious Fruit.It is such fall brill accident will lead to the drilling well when serious and thoroughly scrap, all that has been achieved is spoiled for entire drilling project.Therefore it needs to adopt Necessary measure is taken to prevent the generation of brill accident.As shown in Figure 1 with Figure 2, the utility model provides a kind of essence peace Full power transmitting assembly and the core-drill(ing) machine using it, power transmitting assembly include power head 1 and are set in power head 1 Dynamic head main spindle 2, on dynamic head main spindle 2 preset be equipped with " weak area ", and the tenesmus part of dynamic head main spindle 2 be arranged Fall arrest component makes power transmission component inherently have the characteristic of anti-lost brill, realizes power transmission component by design means Essential safety performance, brill accident will not be fallen in main shaft failure fracture.Concrete scheme is as follows:

As shown in Figure 1 with Figure 2, power transmitting assembly is for being transmitted to probing by driving element for power on core-drill(ing) machine Tool, power head 1 are connected with driving element, and dynamic head main spindle 2 connects boring tool, and dynamic head main spindle 2 is easy including pre-seting Disconnected section 21 and the firm section 22 that easily broken section of 21 two sides are arranged in, are installed in the firm section 22 close to the side of boring tool There is fall arrest component, fall arrest component is fixed between power head 1 and dynamic head main spindle 2, when easily broken section 21 generation fracture makes When tenesmus part on dynamic head main spindle 2 close to boring tool is fallen, fall arrest component can prevent dynamic head main spindle 2 It falls tenesmus part.

It preferably, is power as shown in Figure 1, easily broken section 21 of diameter is less than the diameter of the other parts of dynamic head main spindle 2 The position of fracture is most likely to occur on head main shaft 2, easily broken section 21 is on dynamic head main spindle 2 preset " weak area ".

Preferably, in order to reduce cost, convenient for materials and the convenience of design and use, as shown in Fig. 2, fall arrest portion Part includes the first tapered roller bearing 3.It is further preferred that as shown in Figure 1 with Figure 2, easily broken section 21 of dynamic head main spindle 2 with The junction of the firm section 22 of boring tool side is provided with the shaft shoulder 23, the first 3 sets of tapered roller bearing is attached to close to brill In the firm section 22 of the side of spy tool and it is resisted against on the shaft shoulder 23, so that the driving shaft when power head 1 is broken, When tenesmus part attempts to drop, the inner ring of the first tapered roller bearing 3 can block the tenesmus part of dynamic head main spindle 2, and first The outer ring of tapered roller bearing 3 can prevent the tenesmus part of dynamic head main spindle 2 to the small of the conical surface of the first tapered roller bearing 3 Bore direction is shaken off.The axial freedom of easily broken section of 21 two sides is completely restricted simultaneously, even if fatigue occurs for dynamic head main spindle 2 Fracture, will not occur any axial displacement.

It is further preferred that the first tapered roller bearing 3 and the centripetal installation of the second tapered roller bearing 5.

It is further preferred that in order to which the anti-falling function of fall arrest component is better achieved, to improve power transmitting assembly Essential safety performance, as shown in Fig. 2, fall arrest component further includes the first flange pressing plate 4 being fixedly installed on power head 1, First flange pressing plate 4 is located at the first tapered roller bearing 3 close to the side of boring tool and is resisted against the first tapered roller bearing 3 On, first flange pressing plate 4 can form barrier effect to the outer ring of the first tapered roller bearing 3, so that failure fracture Dynamic head main spindle 2 can not only drop with the gravity traction of boring tool, additionally it is possible to what prevention was connected with dynamic head main spindle 2 The tenesmus of the boring tool, to effectively prevent brill accident.

Preferably, be equipped on the power head 1 of the side far from boring tool expensive driving part (such as hydraulic motor, Speed reducer etc.), if dynamic head main spindle 2 is broken, and by reverse impact under certain specific operations, and go out power head 1 " rushing to summit " accident occurs, easily above-mentioned driving part (such as hydraulic motor, speed reducer) is caused to injure；Moreover, that goes out is disconnected The dynamic head main spindle 2 split itself or its other components being destroyed carried can occur uncontrolled freely to fall completely after scattering Body, these broken heavy pendant objects near rig floor personnel and goods and materials be all great security threat, above-mentioned thing in order to prevent Therefore generation, the power transmitting assembly of the utility model essential safety further includes erosion control top part, as shown in Fig. 2, erosion control at the top of Part includes the second tapered roller bearing 5.It is further preferred that as shown in Figure 1 with Figure 2, easily broken section 21 of dynamic head main spindle 2 with The junction of firm section 22 far from boring tool side is provided with the shaft shoulder 23, and the first 3 sets of tapered roller bearing is attached to far from brill In the firm section 22 of the side of spy tool and be resisted against on the shaft shoulder 23 so that when power head 1 driving shaft occur fracture and When by reversed impact force, the axial freedom of the part of rushing to summit of the inner ring and dynamic head main spindle 2 of the second tapered roller bearing 5 Be consistent, the outer ring of the second tapered roller bearing 5 can limit its inner ring and prevent dynamic head main spindle 2 rush to summit part to The small-bore direction of the conical surface of second tapered roller bearing 5 is shaken off.

It is further preferred that in order to be better protected from " rushing to summit " accident, as shown in Fig. 2, erosion control top part further includes fixing The second flange pressing plate 6 being installed on power head 1, second flange pressing plate 6 are located at the end on power head 1 far from boring tool, Second flange pressing plate 6 can form barrier effect to the second tapered roller bearing 5, and then being formed prevents dynamic head main spindle 2 from rushing to summit Double action.

The utility model further relates to a kind of core-drill(ing) machine of power transmitting assembly using essential safety above-mentioned.

Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines In range.

Claims (9)

1. a kind of power transmitting assembly of essential safety, the power transmitting assembly of the essential safety on core-drill(ing) machine for that will move Power is transmitted to boring tool by driving element, and the power transmitting assembly includes power head (1) and is set in the power head (1) internal dynamic head main spindle (2), the power head (1) are connected with the driving element, dynamic head main spindle (2) connection The boring tool, it is characterised in that: the dynamic head main spindle (2) includes easily broken section (21) pre-seted and is arranged described The firm section (22) of easily broken section of (21) two sides is equipped with anti-fall on the firm section (22) of the side of the boring tool Component is fallen, the fall arrest component is fixed between the power head (1) and the dynamic head main spindle (2), when described easily broken section (21) described anti-fall when fracture occurs and the tenesmus part on dynamic head main spindle (2) close to the boring tool being made to fall Falling component can prevent the tenesmus part of the dynamic head main spindle (2) from falling.

2. the power transmitting assembly of essential safety according to claim 1, it is characterised in that: easily broken section (21) it is straight Diameter is less than the diameter of the other parts of the dynamic head main spindle (2).

3. the power transmitting assembly of essential safety according to claim 1, it is characterised in that: the fall arrest component includes The inner ring of first tapered roller bearing (3), first tapered roller bearing (3) can block the dynamic head main spindle (2) Drop part, and the outer ring of first tapered roller bearing (3) can prevent the tenesmus part of the dynamic head main spindle (2) to institute The small-bore direction for stating the conical surface of the first tapered roller bearing (3) is shaken off.

4. the power transmitting assembly of essential safety according to claim 3, it is characterised in that: easily broken section (21) with lean on The junction of the firm section (22) of the side of the nearly boring tool is provided with the shaft shoulder (23), the first taper roller axis (3) set is held to be attached in the firm section (22) of the side of the boring tool and be resisted against on the shaft shoulder (23).

5. the power transmitting assembly of essential safety according to claim 3, it is characterised in that: the fall arrest component also wraps The first flange pressing plate (4) being fixedly installed on the power head (1) is included, the first flange pressing plate (4) is located at described first Tapered roller bearing (3) close to the boring tool side and be resisted against on first tapered roller bearing (3), described the One flange (4) can form barrier effect to the outer ring of first tapered roller bearing (3).

6. the power transmitting assembly of -5 any essential safeties according to claim 1, it is characterised in that: further include preventing colliding with top Component, the erosion control top part include the second tapered roller bearing (5), when the dynamic head main spindle (2) occur fracture and by When reversed impact force, the inner ring of second tapered roller bearing (5) and the axial freedom of the dynamic head main spindle (2) are protected It holds unanimously, the outer ring of second tapered roller bearing (5) can limit its inner ring and prevent the dynamic head main spindle (2) Part of rushing to summit is shaken off to the small-bore direction of the conical surface of second tapered roller bearing (5).

7. the power transmitting assembly of essential safety according to claim 6, it is characterised in that: easily broken section (21) and remote The junction of the firm section (22) of side from the boring tool is provided with the shaft shoulder (23), the second taper roller axis (5) set is held to be attached in the firm section (22) of the side far from the boring tool and be resisted against on the shaft shoulder (23).

8. the power transmitting assembly of essential safety according to claim 6, it is characterised in that: the erosion control top part also wraps The second flange pressing plate (6) being fixedly installed on the power head (1) is included, the second flange pressing plate (6) is located at the power Far from the end of the boring tool on head (1), the second flange pressing plate (6) can be to second tapered roller bearing (5) and the part of rushing to summit of the dynamic head main spindle (2) forms barrier effect.

9. a kind of core-drill(ing) machine, it is characterised in that: the core-drill(ing) machine includes any essence peace of the claims 1-8 Full power transmitting assembly.