CN208735094U - A kind of rock drill shank body and water pipe joint assembly - Google Patents
A kind of rock drill shank body and water pipe joint assembly Download PDFInfo
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- CN208735094U CN208735094U CN201821293175.6U CN201821293175U CN208735094U CN 208735094 U CN208735094 U CN 208735094U CN 201821293175 U CN201821293175 U CN 201821293175U CN 208735094 U CN208735094 U CN 208735094U
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- water pipe
- shank body
- chuck
- pipe head
- rock drill
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Abstract
The utility model discloses a kind of rock drill shank body and water pipe joint assemblies, including shank body and water pipe head, carry out limit connection by chuck connection structure between shank body and water pipe head, then prevent water pipe head from collapsing out from shank body.The utility model realizes being reliably connected for shank body and water pipe joint assembly, operator is not needed often to replace and repair, improve safety coefficient, installation before facilitating the disassembly and use of operator after use, reduce the labor intensity of worker, the failure rate of rock drill is reduced, while also reducing the production cost of rock drill.
Description
Technical field
The utility model relates to a kind of rock drill shank body and water pipe joint assembly, be mainly used for coal mine, metallurgy, railway,
In traffic, water power, capital construction and national defence cubic meter of stone construction project.
Background technique
The working principle of rock drill is: using the compressed air of air compressor machine output as power, it is past to control piston by aggressive valve
Multiple movement, when stroke, piston impact drill steel and bore bit dig crushed rocks；When backhaul, piston driving drill steel and bore bit are turned round centainly
Angle.Continuous impact, revolution make drill steel and bore bit dig out round blasthole on rock.
Rock drill is made of head engaging portion, cylinder body engaging portion, the big component in shank body engaging portion three.Water pipe joint assembly is handle
One of the main component of body engaging portion, water pipe joint assembly is in the hole of shank body, and main function is supplied water to rock drill, water
By water pipe, enter shank body using water pipe head, supplies water to the bore bit of rock drill.
1, used shank body and the structure of water pipe joint assembly are as shown in Figures 1 to 6, and shank body and water pipe joint assembly are matched
It closes and is mainly attached including shank body 1, water pipe head 3, steel wire clamping ring, sealing shroud, O-ring seal 2.In use, steel wire card
Ring is constantly worn, and checks will there is security risk not in time.Steel wire clamping ring internal diameter after abrasion tends to get bigger, and internal diameter becomes larger
Afterwards, water pipe head 3 can not be blocked, causes water pipe head 3 that can not be fixed on safely in shank body 1 when hydraulic pressure becomes larger, water pipe occurs
Connector 3 collapses the case where shank body is hurted sb.'s feelings out.
2, steel wire clamping ring quick abrasion has to often replace after abrasion；O-ring seals 2 and sealing ring belong to rubber parts,
It is easy to appear aging and abrasion in use process, increases the frequency of replacement, in addition sealing ring belongs to non-standard component, needs dedicated
Mold manufacture, processing cost are high.Frequent replacement, not only increases production cost, and increase the labor intensity of operator,
The failure rate of rock drill is also increased simultaneously.
In view of the above-mentioned problems, raising is improved to used water pipe joint assembly, has the meaning of reality, together
When can also be promoted rock drill work stability and product quality.
Utility model content
The technical problems to be solved in the utility model is to overcome the above-mentioned deficiency of the prior art, provides a kind of safety coefficient
Rock drill shank body and water pipe joint assembly high, that do not need frequently replacement steel wire clamping ring.
To solve the above problems, the utility model uses following technical scheme: a kind of rock drill shank body and water pipe head
Component, including shank body and water pipe head, carry out limit connection by chuck connection structure between shank body and water pipe head, then prevent
Sealing pipe fitting collapses out from shank body.
Be that the utility model advanced optimizes above scheme below: the chuck connection structure is included in water pipe head
On be provided with for preventing water pipe head from collapsing water pipe head chuck out.
Advanced optimize: the water pipe head chuck is D type structure.
It advanced optimizes: forming the shank body that can accommodate water pipe head chuck between the arc-shaped chuck and shank body of the shank body
Arc-shaped card slot.
It advanced optimizes: being connected with the arc-shaped chuck of shank body in the shank body.
Advanced optimize: the medial surface of the arc-shaped chuck of the shank body and its end face far from water pipe head chuck it
Between use rounding off.
Advanced optimize: the axis of the arc-shaped chuck of the shank body and the axis of water pipe head chuck are in same straight line
On.
It advanced optimizes: offering the inner hole of the shank body of cylindrical structure in the shank body.
In use, water pipe head installs O-ring seal by O-ring seal in first annular slot and the second annular groove
It is put into the inner hole of shank body afterwards, when water pipe head rotates clockwise 30 degree, the water pipe head chuck precession shank body of water pipe head
Arc-shaped card slot in, the arc-shaped chuck of shank body limitation water pipe elbow is moved axially along the inner hole of shank body, in use,
The end face of the arc-shaped chuck of shank body and the end face of water pipe head chuck remain not parallel state；
When rock drill after use, dismantle water pipe elbow when, only water pipe elbow need to be rotated, rotate to when shank body is arc-shaped
When the end face of chuck is parallel with the end face of water pipe head chuck, then water pipe elbow extracted from the inner hole V of shank body；
When rock drill works normally, water flow is entered in shank body by water pipe head, then enters drill steel by water needle
Bore bit supplies water to bore bit, plays the role of arranging powder to bore bit.
Circular arc is arranged by the way that arc-shaped card slot and arc-shaped chuck are arranged in shank body in the utility model in water pipe head
Shape chuck, the two have complemented each other to form position-limit mechanism, realize being reliably connected for shank body and water pipe joint assembly, do not need to grasp
Author often replaces and repairs, and improves safety coefficient, and reducing operator, shank body wound out is collapsed in water pipe head in use
The security risk of people reduces the labor intensity of worker, reduces the failure rate of rock drill, while also reducing the life of rock drill
Produce cost.
The present invention will be further described with reference to the accompanying drawings and examples.
Detailed description of the invention
Fig. 1 is the modular construction schematic diagram of shank body engaging portion in background technique；
Fig. 2 is the structural schematic diagram of shank body in background technique；
Fig. 3 is the structural schematic diagram of sealing shroud in background technique；
Fig. 4 is the structural schematic diagram of water pipe head in background technique；
Fig. 5 is the structural schematic diagram of O-ring seal in background technique；
Fig. 6 is the structural schematic diagram of steel wire clamping ring in background technique；
Fig. 7 is the structural schematic diagram of the utility model in embodiment；
Fig. 8 is the structural schematic diagram of the utility model in embodiment；
Fig. 9 is the structural schematic diagram of the utility model shank body in embodiment；
Figure 10 is the structural schematic diagram of the utility model O-ring seal in embodiment；
Figure 11 is the structural schematic diagram of the utility model water pipe head in embodiment；
Figure 12 is the structural schematic diagram of the utility model water pipe head in embodiment.
In figure: 1- shank body；2-O type sealing ring；3- water pipe head；I-water pipe head external cylindrical surface；II-first annular slot；
III-the second annular groove；IV-water pipe head chuck；The inner hole of V-shank body；The arc-shaped card slot of VI-shank body；The circular arc of VII-shank body
Shape chuck；The end face of the arc-shaped chuck of P1- shank body；The end face of P2- water pipe head chuck.
Specific embodiment
Embodiment, as shown in Fig. 7-Figure 12, a kind of rock drill shank body and water pipe joint assembly, including shank body 1 and water pipe
Connector 3 is fixedly connected between shank body 1 and water pipe head 3 by chuck connection structure.
The chuck connection structure includes that the position of the close shank body 1 in water pipe head 3 is connected with the water of D type structure
Pipe fitting chuck IV, and one end of the water pipe head chuck IV and water pipe head 3 is coaxially disposed.
Position corresponding with water pipe head chuck IV is connected with the arc-shaped chuck VII of shank body in the shank body 1.
It is used between the medial surface of the arc-shaped chuck VII of the shank body and its end face far from water pipe head chuck IV
Rounding off.
The circular arc that can accommodate the shank body of water pipe head chuck IV is formed between the arc-shaped chuck VII and shank body 1 of the shank body
Shape card slot VI, water pipe head 3 are inserted into shank body 1, are rotated water pipe head 3 and are rotated water pipe head chuck IV to the circular arc of shank body
In shape card slot VI, then water pipe head 3 is fixed in shank body 1, achievees the effect that limit fixed to water pipe head 3.
The axis of the arc-shaped chuck VII of the shank body and the axis of water pipe head chuck IV are on same straight line, in this way
Design is convenient for rotatable engagement between the two.
Position corresponding with water pipe head 3 offers in the shank body that can accommodate 3 one end of water pipe head in the shank body 1
The one end in hole V, water pipe head 3 is inserted into the inner hole V of shank body.
The inner hole V of the shank body is cylindrical structure, has abandoned the card of the hole end surface processing of former shank body dress water pipe head
Platform increases new chuck (the arc-shaped chuck VII of shank body) in the outside of shank body 1, design in this way it is easy to process, simplify plus
Work technique, reduces difficulty of processing, saves the time.
Position corresponding with the inner hole V of shank body is set as water pipe head external cylindrical surface I, shank body in the water pipe head 3
Inner hole V in be provided with the inner cylinder face being used cooperatively with the external cylindrical surface.
Position on the water pipe head external cylindrical surface I close to water pipe head chuck IV coaxially offers first annular respectively
Slot II and the second annular groove III.
The first annular slot II is identical with the size of the second annular groove III, inside be coaxially equipped with O-shaped sealing respectively
O-ring seal 2 is pressed between the two by circle 2 when the inner hole V of water pipe head 3 and shank body is screwed on, then to water pipe head 3 with
It is sealed between the inner hole V of shank body.
One end face of the arc-shaped chuck VII of the shank body is set as the end face P1 of the arc-shaped chuck of shank body, the circular arc of shank body
In the same plane, an end face of water pipe head chuck IV is set as the end face of water pipe head chuck for the end face at VII both ends of shape chuck
P2。
In use, water pipe head 3 installs O-shaped by O-ring seal 2 in first annular slot II and the second annular groove III
It is put into after sealing ring 2 in the inner hole V of shank body, when water pipe head 3 rotates clockwise 30 degree, the water pipe head card of water pipe head 3
In the arc-shaped card slot VI of IV precession shank body of platform, the arc-shaped chuck VII of shank body limits water pipe elbow 3 along V axis of inner hole of shank body
To movement, in use, the end face P1 of the arc-shaped chuck of shank body and the end face P2 of water pipe head chuck remain uneven
Row state；
When rock drill after use, dismantle water pipe elbow 3 when, only water pipe elbow 3 need to be rotated, rotate to when shank body circular arc
When the end face P1 of the shape chuck and end face P2 of water pipe head chuck parallel, then water pipe elbow 3 extracted from the inner hole V of shank body；
When rock drill works normally, water flow is entered in shank body 1 by water pipe head 3, then enters drill steel by water needle
Bore bit, give bore bit supply water, play the role of give bore bit row powder.
Circular arc is arranged by the way that arc-shaped card slot and arc-shaped chuck are arranged in shank body in the utility model in water pipe head
Shape chuck, the two complement each other to form position-limit mechanism, realize effective connection of shank body and water pipe joint assembly, keep connection more steady
Gu it is more reliable, it is more convenient, does not need operator and often replace and repair, improve safety coefficient, reduce operator and using
The security risk that shank body out is hurted sb.'s feelings is collapsed in water pipe head in the process, reduces the labor intensity of worker, reduces the failure of rock drill
Rate, while the production cost of rock drill is also reduced, keep the link for dismantling and assembling water pipe joint assembly more labor-saving.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms, therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein, and should not treat any reference in the claims as limiting related right
It is required that.
Claims (8)
1. a kind of rock drill shank body and water pipe joint assembly, including shank body (1) and water pipe head (3), it is characterised in that: shank body
(1) limit connection is carried out by chuck connection structure between water pipe head (3), then prevents water pipe head (3) from shank body (1)
On collapse out.
2. a kind of rock drill shank body according to claim 1 and water pipe joint assembly, it is characterised in that: the chuck connects
Binding structure includes to be provided on water pipe head (3) for preventing water pipe head (3) from collapsing water pipe head chuck (IV) out.
3. a kind of rock drill shank body according to claim 2 and water pipe joint assembly, it is characterised in that: the water pipe connects
Head chuck (IV) is D type structure.
4. a kind of rock drill shank body according to claim 3 and water pipe joint assembly, it is characterised in that: the shank body
The arc-shaped card slot (VI) that can accommodate the shank body of water pipe head chuck (IV) is formed between arc-shaped chuck (VII) and shank body (1).
5. a kind of rock drill shank body according to claim 4 and water pipe joint assembly, it is characterised in that: the shank body
(1) the arc-shaped chuck (VII) of shank body is connected on.
6. a kind of rock drill shank body according to claim 5 and water pipe joint assembly, it is characterised in that: the shank body
Rounding off is used between the medial surface of arc-shaped chuck (VII) and its end face far from water pipe head chuck (IV).
7. a kind of rock drill shank body according to claim 6 and water pipe joint assembly, it is characterised in that: the shank body
The axis of arc-shaped chuck (VII) and the axis of water pipe head chuck (IV) are on same straight line.
8. a kind of rock drill shank body according to claim 7 and water pipe joint assembly, it is characterised in that: the shank body
(1) inner hole (V) of the shank body of cylindrical structure is offered on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821293175.6U CN208735094U (en) | 2018-08-13 | 2018-08-13 | A kind of rock drill shank body and water pipe joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821293175.6U CN208735094U (en) | 2018-08-13 | 2018-08-13 | A kind of rock drill shank body and water pipe joint assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208735094U true CN208735094U (en) | 2019-04-12 |
Family
ID=66029019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821293175.6U Active CN208735094U (en) | 2018-08-13 | 2018-08-13 | A kind of rock drill shank body and water pipe joint assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208735094U (en) |
-
2018
- 2018-08-13 CN CN201821293175.6U patent/CN208735094U/en active Active
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