CN202181853U - Reversing operation mechanism for supporting leg type rock drill and supporting leg type rock drill - Google Patents
Reversing operation mechanism for supporting leg type rock drill and supporting leg type rock drill Download PDFInfo
- Publication number
- CN202181853U CN202181853U CN201120263736XU CN201120263736U CN202181853U CN 202181853 U CN202181853 U CN 202181853U CN 201120263736X U CN201120263736X U CN 201120263736XU CN 201120263736 U CN201120263736 U CN 201120263736U CN 202181853 U CN202181853 U CN 202181853U
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- China
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- supporting leg
- reversing gear
- leg type
- hammer drill
- handle body
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Abstract
The utility model discloses a reversing operation mechanism for a supporting leg type rock drill and the supporting leg type rock drill. The reversing operation mechanism comprises a handle body, a pressure regulating valve, an elastic piece and a reversing valve, wherein the reversing valve is installed in a pressure regulating valve cavity of the handle body; the reversing valve is installed in the pressure regulating valve; the left end of the reversing valve is a driving end, and the right end of the reversing valve is pressed against the handle body by the elastic piece. The reversing operation mechanism also comprises a shifting lever arranged at the left side of the handle body; the shifting lever comprises a connecting end, an operation part and a collision head, wherein the connecting end is rotationally connected with a long screw rod on a machine body of the rock drill; and the collision head is positioned at the left side of the driving end of the reversing valve and is corresponding to the driving end in position. The utility model has the beneficial effects that the operation space of the reversing operation mechanism is remarkably increased, and the maneuverability is improved, so that an operator can more conveniently, quickly and accurately apply the acting force to the shifting lever to drive a piston cavity of a supporting leg to reverse, thereby facilitating manual operation and achieving the technical effects of labor saving, quick action, safety assurance and the like.
Description
Technical field
The utility model relates to the hammer drill field, relates in particular to a kind of reversing gear and a kind of supporting leg type hammer drill of supporting leg type hammer drill.
Background technology
Traditional supporting leg type hammer drill is divided into supporting leg type hydraulic gate and supporting leg type air rock drill usually according to the difference of type of drive (air pressure or hydraulic pressure).These two kinds of supporting leg type hammer drill mainly utilize supporting leg that hammer drill integral body is supported down in working order; The drilling tool of avoiding hammer drill forward during the drilling rock borehole hammer drill fall back backward or squint, thereby guarantee drill location accurately, ensure safety and increase work efficiency.
Supporting leg is made up of piston rod and the plunger shaft that is used for ccontaining piston rod usually, and piston rod is divided into epicoele and cavity of resorption with plunger shaft, according to the difference of supporting leg type hammer drill type of drive, and blanketing gas or liquid medium in the plunger shaft.Reversing gear reversal valve control medium capable of using gets into the epicoele or the cavity of resorption of plunger shaft along medium pipeline, thereby stretch out in the driven plunger chamber or indentation and realize switching-over.When stretched out in the epicoele driven plunger chamber of medium entering plunger shaft, plunger shaft advanced hammer drill to play a supporting role through coupling spindle; When the indentation of the cavity of resorption driven plunger chamber of medium entering plunger shaft, plunger shaft is cancelled for the supporting role of hammer drill and is convenient to its displacement.The above program that supports hammer drill through reversing gear control supporting leg not only is included in the Drilling process of each borehole; And under the situation that rock fracture causes stopping boring or drill steel ruptures; Should cancel support force through reversing gear control supporting leg safely, fast and accurately, to reduce potential safety hazard.
As shown in Figure 1; The reversing gear of existing supporting leg type hammer drill generally include left hand 1, plate machine 2, reversal valve 3, pressure regulator valve 4, handle body 5, spring 6, right handgrip 7, glue spools 8 and glue ingredients such as 9; Reversal valve 3 is installed in pressure regulator valve 4 inside; Handle body 5 is enclosed within pressure regulator valve 4 outsides and right-hand member sealing, and the spheroid end of reversal valve 3 left ends exposes pressure regulator valve 4, and right-hand member props up the inwall of handle body 5 through spring 6.Reversal valve 3 is used for control medium and gets into the epicoele or the cavity of resorption of plunger shaft through medium pipeline, and pressure regulator valve 4 is used to control the support force size of supporting leg.Left side handle 1 and right handle 7 lay respectively at the mechanism both sides to be convenient to operating personnel hand-held, and glue is arranged on axle 8 and glue the mechanism bottom to 9 and cooperates installation with left handle 1 and right handle 7.Plate machine 2 is installed in the inboard of left handle 1, and its integrally bending and middle part have fulcrum A, the lower end behaviour hand operation end of plate machine 2, and the upper end is corresponding with the spheroid end position of reversal valve 3.
When hammer drill was in normal operating conditions, reversal valve 3 control mediums got into the epicoele driven plunger chamber of plunger shaft and stretch out; When needing switching-over, operating personnel pull the operating side of plate machine 2 by hand and it are applied active force P left
1According to lever principle, plate machine 2 applies active force P to the right around fulcrum A rotation to the spheroid end of reversal valve 3, moves to right to drive reversal valve 3; Through controlling preset medium pipeline, reversal valve 3 makes medium get into cavity of resorption and the indentation of driven plunger chamber of plunger shaft along pipeline rapidly; When operating personnel cancel the active force P for the operating side of plate machine 2
1After, reversal valve 3 moves to left under the effect of spring 6 and resets, and stretch out in the epicoele driven plunger chamber that makes medium get into plunger shaft simultaneously, and hammer drill can recover normal operating conditions and continue rock drilling.
Yet this reversing gear is arranged on plate machine 2 left handle 1 inboard and is positioned at handle body 5 belows, and fulcrum A is located at plate machine 2 middle parts; Receive the restriction of installing space; The operation that staff is pulled is inconvenience very, and it is less to pull amplitude, makes reversing gear handling bad.Particularly, because active force P
1The moment that produces and the arm of force of plate machine 2 are in close relations, and under arm of force condition of limited, operating personnel need apply bigger active force P
1Could produce enough big active force P to the spheroid end of reversal valve 3, can't make the plunger shaft normal commutation because active force P is less than normal probably; In addition, when the supporting role to hammer drill is cancelled in requirement rapidly under fortuitous events such as drill steel fracture, because the 2 operation inconvenience of plate machine, possibly produce that action lags behind or the phenomenon of maloperation, have certain potential safety hazard.
In addition, possibly also there is following problem in existing plate machine 2: adopt folder aldehyde fabric swatch manufacturing and easily because of stressed damage the repeatedly; Be processed into bending and increase equipment cost.
The utility model content
The technical problem underlying that the utility model will solve is that a kind of reversing gear and a kind of supporting leg type hammer drill that improves the supporting leg type hammer drill of handling is provided.
For solving the problems of the technologies described above, the utility model provides a kind of reversing gear of supporting leg type hammer drill, comprises handle body, pressure regulator valve, elastic component and the reversal valve that commutates through the plunger shaft in the control medium pipeline driving supporting leg; Said pressure regulator valve is installed in the pressure regulation valve pocket of said handle body, and it is inner that said reversal valve is installed in said pressure regulator valve, and said reversal valve left end is a drive end; Right-hand member props up said handle body through said elastic component; Also comprise the driving lever that is located at said handle body left side, said driving lever comprises link, operating portion and rams that the long bolt on said link and the hammer drill body is rotationally connected; The said drive end left side of raming and being positioned at said reversal valve, and corresponding with said drive end position.
Preferably, said operating position is in the link of said driving lever and between raming.
Preferably, said operating portion also is connected with the handle that extends to the left.
The left side of said drive end is sphere.
For example, said link comprises connecting hole, and said connecting hole matches with the outside wall surface of nut on being installed in said long bolt.
Preferably, said handle body is positioned at said long bolt below.
Said driving lever can be the steel driving lever, and said elastic component is a spring.。
The utility model has also been protected a kind of supporting leg type hammer drill, comprises hammer drill body, supporting leg and reversing gear, and said supporting leg comprises piston rod and the plunger shaft that is used for ccontaining said piston rod, and said reversing gear is above-described reversing gear.
Said supporting leg type hammer drill is supporting leg type hydraulic gate or supporting leg type air rock drill.
The beneficial effect of the utility model is: the driving lever that reversing gear of the utility model and the utilization of supporting leg type hammer drill are arranged on handle body left side drives reversal valve; And the pivot point of driving lever is positioned at driving lever one end; Compared with prior art; Significantly increased the operating space of reversing gear, improved that it is handling, make operating personnel can be convenient, fast and accurately driving lever is applied active force P
1In the utility model, the change of driving lever pivot point has increased active force P
1The arm of force, saved manpower, and when the supporting role to hammer drill is cancelled in requirement rapidly under fortuitous events such as drill steel fracture because driving lever is convenient to operation, can not produce that action lags behind or the phenomenon of maloperation, eliminated potential safety hazard.
Description of drawings
Fig. 1 is a kind of generalized section of reversing gear of existing supporting leg type hammer drill;
Fig. 2 is the generalized section of reversing gear of the supporting leg type hammer drill of a kind of embodiment of the utility model.
The specific embodiment
Combine accompanying drawing that the utility model is done further explain through the specific embodiment below.
The utility model is through the structure and the assembling of part component in the reversing gear that improves hammer drill; Optimized the mode of operation of reversal valve; Improved its handling, not only be convenient to manually-operated, and reached saving manpower, quick acting, technique effect such as ensure safety.
Please refer to Fig. 2, the reversing gear of the supporting leg type hammer drill of a kind of embodiment of the utility model comprises ingredients such as handle body 10, pressure regulator valve 20, reversal valve 30, driving lever 40 and elastic component 70.
Wherein, pressure regulator valve 20 is installed in the pressure regulation valve pocket of handle body 10, handle body 10 right-hand members sealings, and pressure regulator valve 20 is used to regulate the support force size of the supporting leg of hammer drill.Reversal valve 30 is installed in pressure regulator valve 20 inside, and left end is a drive end, and right-hand member props up handle body 10 through elastic component 70, is mainly used in through the control medium pipeline and drives the plunger shaft switching-over in the supporting leg.Driving lever 40 is located at handle body 10 left sides, comprises link 41, operating portion and rams 43, and link 41 is rotationally connected with long bolt 50 on the hammer drill body and can freely rotates around it, rams 43 to be positioned on the left of the drive end of reversal valve 30 and corresponding with this drive end position.When hammer drill need commutate in normal operation; It is that fulcrum is rotated counterclockwise with link 41 that operating personnel make whole driving lever 40 through the operating portion that drives driving lever 40; Ram and 43 can move right and the drive end of reversal valve 30 is applied active force P; Move to right to drive reversal valve 30, thereby preset air pressure or the fluid pressure line 80 of control makes medium get into cavity of resorption and the indentation of driven plunger chamber of the plunger shaft of supporting leg rapidly; After operating personnel cancelled the driving force for the operating portion of driving lever 40, reversal valve 30 moved to left under the effect of elastic component 70 and resets, and stretch out in the epicoele driven plunger chamber that makes medium get into plunger shaft simultaneously, and hammer drill can recover normal operating conditions and continue rock drilling.
Preferably, for the ease of operation, handle body 10 is positioned at long bolt 50 belows.In for example a kind of embodiment; Be with special thick nut 60 on the long bolt 50 of M16; Be used for fastening long bolt 50 and guarantee that handle body 10, impact cylinder (hydraulic cylinder or pneumatic cylinder) are connected as a single entity with rock driller head; The link 41 of driving lever 40 has connecting hole, and the cylindrical outer wall face of this connecting hole and nut matches and merges and can rotate freely along this outside wall surface.Because nut 60 can not make driving lever 40 move axially along long bolt 50 through the snap ring location, therefore guarantee the drive end of the 43 aligning reversal valves 30 of raming on the driving lever 40, avoid the occurrence positions skew.
In this embodiment, the operating portion of driving lever 40 can and be ramed between 43 at the link 41 of driving lever 40, and making rams is positioned at driving lever 40 bottom, can save the mechanism space like this; Certainly also can 43 be arranged between operating portion and the link 41 raming.Operation for ease, operating portion also is connected with the handle 42 that extends to the left, and handle 42 is perpendicular with driving lever 40, when operating personnel apply active force P downwards to handle 42
1The time, can make whole driving lever 40 is that fulcrum is rotated counterclockwise with link 41, driving rams 43 moves right and the drive end of reversal valve 30 is applied active force P.Though driving lever 40, handle 42 and ram and 43 all have certain gravity, this gravity is minimum at the axial component of reversal valve 30, and hammer drill can't overcome the elastic force of elastic body 70 in normal operation and meet accident and drive the maloperation of reversal valve 30.
In this embodiment, the left surface of reversal valve 30 drive ends is a sphere, and elastic component 70 is the compression spring, and its left end props up reversal valve, and right-hand member props up the inwall of handle body 10 blind ends.Certainly according to concrete needs, drive end also can be designed to square or other shapes, and elastic component also can adopt other rubber-like parts.
Further, driving lever 40 adopts to be processed by 45# steel or other metal material, and satisfactory mechanical property is not fragile; Raming 43 can be connected as a single entity with driving lever 40 with handle 42, also can be fixed on the driving lever through mode such as be spirally connected, so that when it damages, change, its simple shape has reduced processing cost.Hardness significantly strengthens after the 43 process Quenching Treatment of raming, and is not easy to wear, so application life is longer.
The utility model has also been protected a kind of supporting leg type hammer drill, according to the difference of type of drive, can be supporting leg type hydraulic gate or supporting leg type air rock drill, and hydraulic medium can be oil or water.The supporting leg type hammer drill comprises ingredients such as hammer drill body, supporting leg and reversing gear.Body mainly comprises head, impacts cylinder and long bolt etc.; Supporting leg comprises piston rod and the plunger shaft that is used for ccontaining piston rod, and piston rod is divided into epicoele and cavity of resorption with plunger shaft, according to the difference of supporting leg type hammer drill type of drive; Blanketing gas or liquid medium in the plunger shaft; Reversing gear is above-described reversing gear, reversal valve control medium pipeline capable of using and make medium get into the epicoele or the cavity of resorption of plunger shaft, thus stretch out in the driven plunger chamber or indentation and realize switching-over.When stretched out in the epicoele driven plunger chamber of medium entering plunger shaft, plunger shaft advanced hammer drill to play a supporting role through coupling spindle; When the indentation of the cavity of resorption driven plunger chamber of medium entering plunger shaft, plunger shaft is cancelled for the supporting role of hammer drill and is convenient to its displacement.
The driving lever that the reversing gear utilization of the utility model is arranged on handle body left side drives reversal valve; And the pivot point of driving lever is positioned at driving lever one end; Compared with prior art; Significantly increased the operating space, improved the handling of reversing gear, make operating personnel can be convenient, fast and accurately driving lever is applied active force P
1In the utility model, the change of driving lever pivot point has increased active force P
1The arm of force, saved manpower, and when the supporting role to hammer drill is cancelled in requirement rapidly under fortuitous events such as drill steel fracture because driving lever is convenient to operation, can not produce that action lags behind or the phenomenon of maloperation, eliminated potential safety hazard.
Above content is the further explain that combines concrete embodiment that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of the utility model.
Claims (10)
1. the reversing gear of a supporting leg type hammer drill comprises handle body, pressure regulator valve, elastic component and the reversal valve that commutates through the plunger shaft in the control medium pipeline driving supporting leg; Said pressure regulator valve is installed in the pressure regulation valve pocket of said handle body, and it is inner that said reversal valve is installed in said pressure regulator valve, and said reversal valve left end is a drive end; Right-hand member props up said handle body through said elastic component, it is characterized in that, also comprises the driving lever that is located at said handle body left side; Said driving lever comprises link, operating portion and rams; Long bolt on said link and the hammer drill body is rotationally connected, the said drive end left side of raming and being positioned at said reversal valve, and corresponding with said drive end position.
2. reversing gear as claimed in claim 1 is characterized in that, said operating position is in the link of said driving lever and between raming.
3. reversing gear as claimed in claim 1 is characterized in that, said operating portion also is connected with the handle that extends to the left.
4. reversing gear as claimed in claim 1 is characterized in that the left side of said drive end is sphere.
5. like each described reversing gear in the claim 1 to 4, it is characterized in that said link comprises connecting hole, said connecting hole matches with the outside wall surface of nut on being installed in said long bolt.
6. reversing gear as claimed in claim 5 is characterized in that, said handle body is positioned at said long bolt below.
7. like each described reversing gear in the claim 1 to 4, it is characterized in that said driving lever is the steel driving lever.
8. like each described reversing gear in the claim 1 to 4, it is characterized in that said elastic component is a spring.
9. supporting leg type hammer drill; Comprise hammer drill body, supporting leg and reversing gear; Said supporting leg comprises piston rod and the plunger shaft that is used for ccontaining said piston rod, it is characterized in that said reversing gear is each described reversing gear in the claim 1 to 8.
10. supporting leg type hammer drill as claimed in claim 9 is characterized in that, said supporting leg type hammer drill is supporting leg type hydraulic gate or supporting leg type air rock drill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120263736XU CN202181853U (en) | 2011-07-22 | 2011-07-22 | Reversing operation mechanism for supporting leg type rock drill and supporting leg type rock drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120263736XU CN202181853U (en) | 2011-07-22 | 2011-07-22 | Reversing operation mechanism for supporting leg type rock drill and supporting leg type rock drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202181853U true CN202181853U (en) | 2012-04-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120263736XU Withdrawn - After Issue CN202181853U (en) | 2011-07-22 | 2011-07-22 | Reversing operation mechanism for supporting leg type rock drill and supporting leg type rock drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202181853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889058A (en) * | 2011-07-22 | 2013-01-23 | 深圳市普隆重工有限公司 | Landing leg type rock drill and reversing operating mechanism for landing leg type rock drill |
-
2011
- 2011-07-22 CN CN201120263736XU patent/CN202181853U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889058A (en) * | 2011-07-22 | 2013-01-23 | 深圳市普隆重工有限公司 | Landing leg type rock drill and reversing operating mechanism for landing leg type rock drill |
| CN102889058B (en) * | 2011-07-22 | 2015-05-20 | 深圳市普隆重工有限公司 | Landing leg type rock drill and reversing operating mechanism for landing leg type rock drill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120404 Effective date of abandoning: 20150520 |
|
| RGAV | Abandon patent right to avoid regrant |