CN208734293U - A kind of adaptive full-hydraulic drill rod holder assembly - Google Patents
A kind of adaptive full-hydraulic drill rod holder assembly Download PDFInfo
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- CN208734293U CN208734293U CN201821277360.6U CN201821277360U CN208734293U CN 208734293 U CN208734293 U CN 208734293U CN 201821277360 U CN201821277360 U CN 201821277360U CN 208734293 U CN208734293 U CN 208734293U
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- collet
- upper grip
- holder assembly
- drill rod
- rod holder
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Abstract
The utility model provides a kind of adaptive full-hydraulic drill rod holder assembly, including upper grip, lower collet, left collet and right collet, upper grip and lower collet are symmetrical, left collet and right collet are symmetrical, left collet and right collet are separately positioned on the both ends of bidirectional hydraulic oil cylinder, the both ends of upper grip and lower collet are slidably connected at respectively on the slideway of left collet and right collet, the pressurized plane for thrust amplification is provided on the inner wall of slideway, pressurized plane applies pressure to the upper of upper grip, lower surface and lower collet it is upper, lower surface, the clamping face for drill-rod clamping is provided on upper grip and lower collet.When the structure of the utility model is used for slip, good clamping effect, convenient for the charge and discharge operations of drilling rod.
Description
Technical field
The utility model relates to mine drilling field technical fields, and in particular to a kind of adaptive all-hydraulic slip dress
It sets.
Background technique
It during mining, unavoidably needs to drill, especially underground drill rig, big folder is obtained due to drilling rod
Clamp force and biggish amount of opening will usually select the spring of larger specification and more number to constitute.Meanwhile in order to reliably open
Clamper, it is also necessary to biggish oil cylinder is configured, to generate the cylinder thrust for being greater than spring tension.Thus make the structure of clamper
Size is larger, using receiving certain limitation on underground drill rig.Clamper open in usual is mostly to lean on oil cylinder clamping, spring pine
It opens.In order to guarantee the clamping force of clamper, usually selecting biggish oil cylinder or use high system pressure.Due to depositing for back pressure
Oil cylinder is excessive, it may occur that recoil of spring power is insufficient, and clamper is opened difficult.So developing a kind of lesser oil cylinder pressure of needs
The demand of the full-hydraulic drill rod holder of power is extremely urgent.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of adaptive full-hydraulic drill rod holder assembly, overcomes
On the one hand the deficiencies in the prior art, the equipment can rely on lesser oil cylinder working-pressure, realize biggish drill-rod clamping power.And
It, which clamps or loosens drilling rod, fully relies on hydraulic control.On the other hand, also have the function of automatic rectifying eccentricity torque, have
Good drilling rod automatic deviation correction ability has good peace even if drilling rod can also keep original state under unexpected power failure
Omnicharacteristic.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:
A kind of adaptive full-hydraulic drill rod holder assembly, including upper grip, lower collet, left collet and right collet, it is described on
Collet and lower collet are symmetrical, and the left collet and right collet are symmetrical, and the left collet and right collet are separately positioned on
The both ends of the both ends of bidirectional hydraulic oil cylinder, the upper grip and lower collet are slidably connected at the slideway of left collet and right collet respectively
On, it is provided with the pressurized plane for thrust amplification on the inner wall of the slideway, the pressurized plane applies pressure to the upper and lower table of upper grip
The clamping face for drill-rod clamping is provided on the upper and lower surfaces in face and lower collet, the upper grip and lower collet.
The pressurized plane includes the ramp being in contact with upper grip upper surface and the wedge that is in contact with upper grip lower surface
Shape face.
The gap for pressure is provided between the lozenges and upper grip lower surface.
The left collet and right collet are connected in mounting base by ball bearing, and the mounting base is connected to bidirectional hydraulic
The tailpiece of the piston rod of oil cylinder.
The bidirectional hydraulic oil cylinder uses bi-directional synchronization oil cylinder.
(3) beneficial effect
The utility model embodiment provides a kind of adaptive full-hydraulic drill rod holder assembly.Have it is following the utility model has the advantages that
The utility model use full hydraulic system, and design reinforcement amplification pressurized plane structure, thus using lesser oil cylinder realize compared with
Big chucking power, and slip power can be adjusted by adjusting oil cylinder working-pressure.In addition, equipment is simply small and exquisite, it is full symmetric,
Maintenance cost is also low.
Compared with the existing technology, a kind of adaptive all-hydraulic boosting-type drill rod grip device of the utility model, firstly, adopting
With full hydraulic system, structure is simple, good to safeguard, the tune of slip power can be thus achieved by adjusting the pressure of hydraulic cylinder
It is whole；Secondly, the pressurized plane by reinforcement designs, biggish chucking power can be realized using lesser oil cylinder, equipment is small and exquisite, right
Claim, stable working；Again, the mounting structure of ball bearing has been selected, during clamping drilling rod, automatic correct partially can be obtained
The function of mental and physical efforts square；Finally, the mechanism does not select any spring, during operation, even if encountering unexpected power-off, clamping device
Original state is kept, equipment safety coefficient is substantially increased, avoids the risk run and bored.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of adaptive full-hydraulic drill rod holder assembly described in the utility model；
Fig. 2 is adaptive full-hydraulic drill rod holder assembly clamped condition structural schematic diagram described in the utility model；
Fig. 3 is the structural representation that adaptive full-hydraulic drill rod holder assembly loosens drilling rod state described in the utility model
Figure.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Referring to FIG. 1 to 3, the utility model provides a kind of adaptive full-hydraulic drill rod holder assembly, including upper folder
First 1, symmetrically, left collet 3 and right collet 4 are mutually right for lower collet 2, left collet 3 and right collet 4, upper grip 1 and lower collet 2
Claim, left collet 3 and right collet 4 are separately positioned on the both ends of bidirectional hydraulic oil cylinder 5, and the both ends of upper grip 1 and lower collet 2 are slided respectively
It is dynamic to be connected on the slideway 34 of left collet 3 and right collet 4, the pressurized plane for thrust amplification is provided on the inner wall of slideway 34
341, pressurized plane 341 applies pressure to the upper and lower surfaces of upper grip 1 and the upper and lower surfaces of lower collet 2, on upper grip 1 and lower collet 2
It is provided with the clamping face 12 for drill-rod clamping.
Preferably, pressurized plane 341 include the ramp 342 being in contact with upper grip upper surface and with upper grip lower surface phase
The lozenges 343 of contact is provided with the gap 340 for pressure, left 3 He of collet between lozenges 343 and upper grip lower surface
Right collet 4 is connected in mounting base 7 by ball bearing 6, and mounting base 7 is connected to the tailpiece of the piston rod of bidirectional hydraulic oil cylinder 5；It is two-way
Hydraulic cylinder 5 uses bi-directional synchronization oil cylinder, the in this way equilibrium of guarantee piston traveling speed and generation active force, can quickly beat
It opens, unclamps drilling rod, drilling rod can also be clamped with fast clamp.
The movement for clamping and loosening drilling rod, adaptive full liquid are realized using a pair of two bidirectional hydraulic oil cylinders 5 one on the other
Boosting-type drill rod grip device is pressed, the collet of two secondary balanced configurations, i.e. upper grip, lower collet, left collet and right collet are shared,
The design of middle upper grip and lower collet has slip to clamp face 12, and working face tilt angle is 8~12 degree；In addition, for reality
Biggish slip power is now realized using lesser hydraulic cylinder, the pressurization for thering is reinforcement to amplify of left collet and right clip designs
Face 341, tilt angle are 10~15 degree, and pressurized plane passes through lubricating grease with the contact surface of upper grip and lower collet and realizes lubrication.
Pressurized plane 341 has two groups, for clamping and unclamping drilling rod 00, when needing to clamp drilling rod, and upper and lower two pairs of two-way liquid
The piston of compressing cylinder 5 is moved to central horizontal simultaneously, and piston pushes left collet 3, right collet 4 to be transported simultaneously to center from left and right respectively
Dynamic, pressurized plane 341 pushes upper grip 1, lower collet 2 respectively by upward and downward center movement, the clamping face 12 of upper grip 1, lower collet 2
Drilling rod will be clamped.
If drilling rod has slight bias, there is ball bearing in the mounting base 7 that left collet 3, right collet 4 are connect with piston
6, drilling rod center can be picked up automatically under eccentric moment effect.
Drilling rod is loosened, all processes drive left collet 3, right collet on the contrary, i.e. bidirectional piston both ends movement to the left and right simultaneously
4 both ends movements to the left and right simultaneously, as left collet, right collet move in the lateral direction respectively, the lozenges 343 in center will be pushed up
Upper grip 1 and lower collet 2 are opened, to upper grip 1, lower collet 2 be pulled open, to unclamp drilling rod.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (5)
1. a kind of adaptive full-hydraulic drill rod holder assembly, it is characterised in that: including upper grip, lower collet, left collet and right folder
Head, the upper grip and lower collet are symmetrical, and the left collet and right collet are symmetrical, the left collet and right collet point
The both ends of bidirectional hydraulic oil cylinder are not set, and the both ends of the upper grip and lower collet are slidably connected at left collet and right folder respectively
On the slideway of head, the pressurized plane for thrust amplification is provided on the inner wall of the slideway, the pressurized plane applies pressure to upper grip
Upper and lower surfaces and lower collet upper and lower surfaces, the clamping for drill-rod clamping is provided on the upper grip and lower collet
Face.
2. full-hydraulic drill rod holder assembly as described in claim 1 adaptive, it is characterised in that: the pressurized plane include with it is upper
The ramp that collet upper surface is in contact and the lozenges being in contact with upper grip lower surface.
3. adaptive full-hydraulic drill rod holder assembly as claimed in claim 2, it is characterised in that: the lozenges and upper grip
The gap for pressure is provided between lower surface.
4. adaptive full-hydraulic drill rod holder assembly as described in claim 1, it is characterised in that: the left collet and right collet
It is connected in mounting base by ball bearing, the mounting base is connected to the tailpiece of the piston rod of bidirectional hydraulic oil cylinder.
5. adaptive full-hydraulic drill rod holder assembly as described in claim 1, it is characterised in that: the bidirectional hydraulic oil cylinder is adopted
With bi-directional synchronization oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821277360.6U CN208734293U (en) | 2018-08-09 | 2018-08-09 | A kind of adaptive full-hydraulic drill rod holder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821277360.6U CN208734293U (en) | 2018-08-09 | 2018-08-09 | A kind of adaptive full-hydraulic drill rod holder assembly |
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| Publication Number | Publication Date |
|---|---|
| CN208734293U true CN208734293U (en) | 2019-04-12 |
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| CN201821277360.6U Active CN208734293U (en) | 2018-08-09 | 2018-08-09 | A kind of adaptive full-hydraulic drill rod holder assembly |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065141A (en) * | 2019-04-17 | 2019-07-30 | 王君国 | A kind of working principle of bidirectional hydraulic press |
| CN112780182A (en) * | 2020-12-28 | 2021-05-11 | 湖北首开机械有限公司 | Drilling device for building engineering |
| CN112796688A (en) * | 2020-12-28 | 2021-05-14 | 湖北首开机械有限公司 | Engineering drilling device |
-
2018
- 2018-08-09 CN CN201821277360.6U patent/CN208734293U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065141A (en) * | 2019-04-17 | 2019-07-30 | 王君国 | A kind of working principle of bidirectional hydraulic press |
| CN112780182A (en) * | 2020-12-28 | 2021-05-11 | 湖北首开机械有限公司 | Drilling device for building engineering |
| CN112796688A (en) * | 2020-12-28 | 2021-05-14 | 湖北首开机械有限公司 | Engineering drilling device |
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