CN103437706B - A kind of horizontal directional drilling machine power head structure - Google Patents
A kind of horizontal directional drilling machine power head structure Download PDFInfo
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- CN103437706B CN103437706B CN201310383704.7A CN201310383704A CN103437706B CN 103437706 B CN103437706 B CN 103437706B CN 201310383704 A CN201310383704 A CN 201310383704A CN 103437706 B CN103437706 B CN 103437706B
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Abstract
The invention discloses a kind of horizontal directional drilling machine power head structure, belong to horizontal directional drilling machine technical field, on original structure basis, add cover body (9), cover body (9) is arranged on dynamic head main spindle (16) outside, front end is arranged on power head box (15) rear end, and rear base plate center has circular mounting hole；It is also provided with connecting axle (18), V-type combined seal ring (19), supported flange (10) and mandrel (8) simultaneously in cover body (9), is sequentially arranged in order between slush pump input adapter (4) and dynamic head main spindle (16)。The present invention has ensured that dynamic head main spindle (16) is relative to while power head box (15) slide anteroposterior, slush pump input adapter (4) position is fixed, ensure that in mud input flexible pipe (3) being arranged on joint, slurry transportation is unobstructed, avoid in original structure because of the mobile phenomenon that the bending occurred fractures even not in time, it is ensured that its construction speed。
Description
Technical field
The present invention relates to a kind of swivel joint, particularly a kind of horizontal directional drilling machine power head structure, belongs to horizontal directional drilling machine technical field。
Background technology
Horizontal directional drilling machine is a kind of to lay the construction machinery of multiple subsurface utility (pipeline, cable etc.) when not excavating earth surface face, is widely used in the pipe installation constructions such as water supply, electric power, coal gas, oil。In drilling machine construction process, in order to reach to support hole wall, lubrication drilling rod, suspension drilling cuttings, reduce the purposes such as construction resistance, need ceaselessly to slurry conveyed in drilling rod to drill bit, and as the critical piece of slurry transportation, can mud input inside hose keep clear, and whether be a horizontally oriented rig can one of the key factor of normal operation。
In the structure of current most horizontal directional drilling machine, slush pump input adapter is fixedly mounted on the rear portion of dynamic head main spindle, mud input flexible pipe is arranged on slush pump input adapter, dynamic head main spindle power adopts relocation mechanism to install, namely dynamic head main spindle can relative to power head box slide anteroposterior, and then it is movable with dynamic head main spindle that joint is rotated, drive the mud input flexible pipe being arranged on swivel joint to move forward and backward simultaneously。Said structure can reduce the abrasion of drill rod thread, but it is more complicated at subsurface picture, when the demand of mud is bigger, it is comparatively thick that mud input flexible pipe need to make, the gravity of mud in pipe, causes that mud input flexible pipe there will be due to can not in time with unit head main axle moving, and bend the phenomenon fractureed even, hinder the timely conveying of mud, cause that horizontal directional drilling machine cannot run well, affect construction speed。
Summary of the invention
For above-mentioned prior art Problems existing, the present invention provides a kind of horizontal directional drilling machine power head structure, dynamic head main spindle still can relative to power head box slide anteroposterior while, fixing slush pump input adapter, guarantee to be arranged on joint slurry transportation in mud input flexible pipe unobstructed, thus ensureing construction speed。
To achieve these goals, the present invention proposes a kind of horizontal directional drilling machine power head structure, inputs flexible pipe, slush pump input adapter and dynamic head main spindle including mud, and mud input flexible pipe passes through boltAnd packing ringAnd packing ringBeing mounted side by side on the rear end of slush pump input adapter, dynamic head main spindle front end is inserted in power head box；
On the basis of said structure, also add cover body in this device, cover body is arranged on outside dynamic head main spindle, and front end is arranged on the rear base plate center of power head box (rear end, cover body) and has circular mounting hole；Cover body is additionally provided with connection axle and mandrel；Wherein, connecting axle is stepped hollow axle, and front end is inserted in dynamic head main spindle, connects axle outer surface and is welded with installing plate, is fixed on dynamic head main spindle rear end by installing plate；Connect axle rear interior and have groove；Mandrel is hollow axle, after front end traverse cover body, base plate installing hole inserts and connects in axle, the length ratio big 8-12cm of dynamic head main spindle range of insertion portion, mandrel passes through the V-type combined seal ring being arranged on connection axle posterior medial and is connected sealing, and V-type combined seal ring is fixed by being fixed on the supported flange connecting shaft rear end；Slush pump input adapter front end and core back-end are sequentially fixed at plate outer surface after cover body, are formed and seal。Slush pump input adapter front end and core rear end interference partial outer face have a circle groove, are provided with O in groove。
Slush pump input adapter leading exterior surface is welded with mounting flange, and mandrel leading exterior surface is welded with corresponding companion flange, boltAnd packing ringSequentially pass through the bolt hole of mounting flange and companion flange and be arranged on after power head box on base plate。
Cover body leading exterior surface is welded with mounting flange, and mounting flange passes through boltAnd packing ringIt is fixed on power head box rear end。
Connection axle is inserted into the partial outer face of dynamic head main spindle and has a circle groove, is provided with O in groove。
Contrast traditional power head structure, the present invention is provided with a cover body, cover body front end is fixed on power head box rear end, rear base plate has circular mounting hole, slush pump input adapter front end is fixed on cover body by circular mounting hole, and mud input flexible pipe is mounted side by side on the rear end of slush pump input adapter；Simultaneously, the present invention changes the annexation between dynamic head main spindle and slush pump input adapter: namely secures one in dynamic head main spindle rear end and connects axle, it is connected to a mandrel in slush pump input adapter front end, core back-end is fixed on cover body equally, front end is inserted in connection axle, and form a sealing with being arranged on the V-type combined seal ring being connected in shaft rear end interior grooves, and insertion portion distance is more than dynamic head main spindle range, guarantee that dynamic head main spindle forms the mud input channel that a sealing is good when slide anteroposterior and between slush pump input adapter, thus while having ensured that dynamic head main spindle is relative to power head box slide anteroposterior, slush pump input adapter position remains fixing, it is arranged on the input of the mud on joint flexible pipe position and keeps fixing equally, avoid in original structure because of the mobile phenomenon that the bending occurred fractures even not in time, ensure that in the mud input flexible pipe being arranged on joint, slurry transportation is unobstructed, , ensure its construction speed。
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention。
In figure: 1, bolt；2, packing ring；3, mud input flexible pipe；4, slush pump input adapter；5, bolt；6, packing ring；7, O；8, mandrel；9, cover body；10, supported flange；11, bolt；12, packing ring；13, bolt；14, packing ring；15, power head box；16, dynamic head main spindle；17, O；18, axle is connected；19, V-type combined seal ring；20, bolt；21, packing ring。
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described。
As shown in Figure 1, a kind of horizontal directional drilling machine power head structure, inputting flexible pipe 3, slush pump input adapter 4 and dynamic head main spindle 16 including mud, mud input flexible pipe 3 is mounted side by side on the rear end of slush pump input adapter 4, and dynamic head main spindle 16 front end is inserted in power head box 15；On the basis of said structure, also include cover body 9,
Cover body 9 is arranged on outside dynamic head main spindle 16, and front end is arranged on power head box 15 rear end, and the rear base plate center of cover body 9 has circular mounting hole；Cover body 9 is additionally provided with connection axle 18 and mandrel 8；Wherein, connecting axle 18 is stepped hollow axle, and front end is inserted in dynamic head main spindle 16, connects axle 18 outer surface and is welded with installing plate, is fixed on dynamic head main spindle 16 rear end by installing plate；Connect axle 18 rear interior and have groove；Mandrel 8 is hollow axle, after front end traverse cover body 9, base plate installing hole inserts and connects in axle 18, the length ratio dynamic head main spindle 16 big 8-12cm of range of insertion portion, mandrel 8 seals with being connected axle 18 by being arranged on the V-type combined seal ring 19 connecting axle 18 posterior medial, and V-type combined seal ring 19 is fixed by being fixed on the supported flange 10 connecting axle 18 rear end；Slush pump input adapter 4 front end and mandrel 8 rear end are sequentially fixed at plate outer surface after cover body 9, are formed and seal。
Further improving as the present invention, slush pump input adapter 4 front end and mandrel 8 rear end interference partial outer face have a circle groove, are provided with O in groove7, further ensure that the sealing that slush pump input adapter 4 is connected with mandrel 8, it is ensured that mud input is smooth and easy。
Further improving as the present invention, slush pump input adapter 4 leading exterior surface is welded with mounting flange, and mandrel 8 leading exterior surface is welded with corresponding companion flange, bolt5 and packing ring6 bolts hole sequentially passing through mounting flange and companion flange are arranged on after power head box 15 on base plate。Adopt Flange joint, it is simple to the dismounting of structure and maintenance, save the time for construction。
Further improving as the present invention, cover body 9 leading exterior surface is welded with mounting flange, and mounting flange passes through bolt13 and packing ring14 are fixed on power head box 15 rear end, it is simple to the dismounting of structure and maintenance, have saved the time for construction。
Further improving as the present invention, connection axle 18 is inserted into the partial outer face of dynamic head main spindle 16 and has a circle groove, is provided with O in groove17, further enhance the sealing of structure, it is ensured that when dynamic head main spindle 16 slide anteroposterior, further ensure that dynamic head main spindle 1 be connected axle 18 connect sealings, it is ensured that mud input smooth and easy。
In work process, slush pump input adapter 4, mandrel 8 and mud input flexible pipe 3 position are fixed；Owing to the partial-length 8-12cm bigger than dynamic head main spindle 16 range connecting axle 18 is inserted in mandrel 8 front end, therefore, dynamic head main spindle 16 is in power head box 15 during slide anteroposterior, mandrel 8 and connection axle 18 consistently form an input channel, mud is entered from slush pump input adapter by mud input flexible pipe 3, is input in dynamic head main spindle through mandrel 8, connection axle 18。
Now the actuating unit that the dynamic structure and the present invention that use transmission propose is separately mounted in the horizontal directional drilling machine of same model, and is simultaneously used in identical building site, the contrast of mud input flexible pipe repair:
The contrast of situation changed by mud input flexible pipe:
| 2-3 month | 4-6 month | 7-12 month | 1-1.5 | 1.5-2 | |
| Original structure | 0 | 1 | 1 | 1 | 1 |
| The structure of the present invention | 0 | 0 | 0 | 0 | 0 |
In sum, contrast traditional power head structure, the present invention is while having ensured that dynamic head main spindle 16 is relative to power head box 15 slide anteroposterior, slush pump input adapter 4 position is fixed, ensure that in the mud input flexible pipe 3 being arranged on joint, slurry transportation is unobstructed, avoid in original structure because of the mobile phenomenon that the bending occurred fractures even not in time, it is ensured that its construction speed。
Claims (5)
1. a horizontal directional drilling machine power head structure, flexible pipe (3), slush pump input adapter (4) and dynamic head main spindle (16) is inputted including mud, described mud input flexible pipe (3) is mounted side by side on the rear end of slush pump input adapter (4), and described dynamic head main spindle (16) front end is inserted in power head box (15)；
It is characterized in that, also include cover body (9), described cover body (9) is arranged on dynamic head main spindle (16) outside, and front end is arranged on power head box (15) rear end, and the rear base plate center of cover body (9) has circular mounting hole；
Cover body (9) is additionally provided with connection axle (18) and mandrel (8)；Wherein, described connection axle (18) is stepped hollow axle, and front end is inserted in dynamic head main spindle (16), connects axle (18) outer surface and is welded with installing plate, is fixed on dynamic head main spindle (16) rear end by installing plate；Connect axle (18) rear interior and have groove；Described mandrel (8) is hollow axle, front end is inserted through cover body (9) base plate installing hole afterwards and is connected in axle (18), the big 8-12cm of length ratio dynamic head main spindle (16) range of insertion portion, mandrel (8) seals with being connected axle (18) by being arranged on the V-type combined seal ring (19) connecting axle (18) posterior medial, and V-type combined seal ring (19) is fixed by being fixed on the supported flange (10) connecting axle (18) rear end；Described slush pump input adapter (4) front end and mandrel (8) rear end are sequentially fixed at cover body (9) plate outer surface afterwards, are formed and seal。
2. a kind of horizontal directional drilling machine power head structure according to claim 1, it is characterised in that described slush pump input adapter (4) front end and mandrel (8) rear end interference partial outer face have a circle groove, are provided with 0 type circle in groove(7)。
3. a kind of horizontal directional drilling machine power head structure according to claim 1, it is characterized in that, described slush pump input adapter (4) leading exterior surface is welded with mounting flange, and described mandrel (8) leading exterior surface is welded with corresponding companion flange, boltAnd packing ring (5)(6) bolt hole sequentially passing through mounting flange and companion flange is arranged on power head box (15) base plate afterwards。
4. a kind of horizontal directional drilling machine power head structure according to claim 1, it is characterised in that described cover body (9) leading exterior surface is welded with mounting flange, and mounting flange passes through boltAnd packing ring (13)(14) power head box (15) rear end it is fixed on。
5. a kind of horizontal directional drilling machine power head structure according to claim 1, it is characterised in that described connection axle (18) is inserted into the partial outer face of dynamic head main spindle (16) and has a circle groove, is provided with 0 type circle in groove(17)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310383704.7A CN103437706B (en) | 2013-08-29 | 2013-08-29 | A kind of horizontal directional drilling machine power head structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310383704.7A CN103437706B (en) | 2013-08-29 | 2013-08-29 | A kind of horizontal directional drilling machine power head structure |
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| CN103437706A CN103437706A (en) | 2013-12-11 |
| CN103437706B true CN103437706B (en) | 2016-06-22 |
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| CN201310383704.7A Active CN103437706B (en) | 2013-08-29 | 2013-08-29 | A kind of horizontal directional drilling machine power head structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275395B (en) * | 2015-11-17 | 2017-06-30 | 恒天九五重工有限公司 | Horizontal directional drill power head structure |
| CN108561069B (en) * | 2018-01-08 | 2019-07-30 | 吉庆禹 | A kind of road surface punch device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10110585A (en) * | 1996-10-07 | 1998-04-28 | Daiwa Kiko Kk | Swivel device in excavator |
| CN102226374A (en) * | 2011-06-10 | 2011-10-26 | 湖南文理学院 | Rotary power head of coaxial transmission drilling machine |
| CN203114160U (en) * | 2013-01-21 | 2013-08-07 | 中煤科工集团西安研究院 | Underground coal mine directional drilling machine big through hole power head with braking function |
| CN203129945U (en) * | 2012-12-29 | 2013-08-14 | 陈海斌 | Power head of drilling machine |
| CN203463008U (en) * | 2013-08-29 | 2014-03-05 | 徐州徐工基础工程机械有限公司 | Power head structure for horizontal directional drilling machine |
-
2013
- 2013-08-29 CN CN201310383704.7A patent/CN103437706B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10110585A (en) * | 1996-10-07 | 1998-04-28 | Daiwa Kiko Kk | Swivel device in excavator |
| CN102226374A (en) * | 2011-06-10 | 2011-10-26 | 湖南文理学院 | Rotary power head of coaxial transmission drilling machine |
| CN203129945U (en) * | 2012-12-29 | 2013-08-14 | 陈海斌 | Power head of drilling machine |
| CN203114160U (en) * | 2013-01-21 | 2013-08-07 | 中煤科工集团西安研究院 | Underground coal mine directional drilling machine big through hole power head with braking function |
| CN203463008U (en) * | 2013-08-29 | 2014-03-05 | 徐州徐工基础工程机械有限公司 | Power head structure for horizontal directional drilling machine |
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| CN103437706A (en) | 2013-12-11 |
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