CN209587121U - A kind of hydraulic breaking hammer lower cylinder body - Google Patents
A kind of hydraulic breaking hammer lower cylinder body Download PDFInfo
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- CN209587121U CN209587121U CN201920145215.0U CN201920145215U CN209587121U CN 209587121 U CN209587121 U CN 209587121U CN 201920145215 U CN201920145215 U CN 201920145215U CN 209587121 U CN209587121 U CN 209587121U
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- lower cylinder
- cylinder body
- drill steel
- main body
- snap ring
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Abstract
The utility model discloses a kind of hydraulic breaking hammer lower cylinder bodies, including lower cylinder body main body, drill steel is installed in lower cylinder body main body, the limiting device for limiting drill steel stroke is provided in lower cylinder body main body, is packaged between one end and drill steel of lower cylinder body main body by detachable apparatus.The utility model passes through setting interconnecting piece and connection unit, so that inner and outer sleeves are easy for assemble or unload simple, it is time saving and energy saving, by the way that lower cylinder body seat is arranged between lower cylinder body and housing, so that lower cylinder body length is shorter by 20% or more than original, the difficulty of processing of lower cylinder body is reduced；No longer set key groove type hole on lower cylinder body, avoid the cracking of cylinder body, processing cost is reduced simultaneously, the cost of lower cylinder can decline 35% or more, current cotter pilotage is substituted using Snap ring structure (two halves snap ring), directly turning it can add at drill steel and cotter pilotage cooperation and save Milling Process, drill steel processing cost can be lowered.
Description
Technical field
The utility model relates to a kind of hydraulic breaking hammers, relate in particular to one kind in mining, metallurgy, railway, public affairs
A kind of hydraulic breaking hammer lower cylinder body that road, municipal gardens, building, ship etc. use, belongs to technical field of engineering machinery.
Background technique
The position that hydraulic breaking hammer is mounted in excavator, installs bucket or bunker on loading machine, is used to broken stone, rock
Stone etc..
The working principle of hydraulic breaking hammer is: using excavator, loading machine hydraulic pump pressure oil output as power, by matching
It flows valve and controls reciprocating motion of the pistons.When stroke, the back cavity of quartering hammer middle cylinder is into high pressure liquid pressure oil, compressed nitrogen of the piston in upper cylinder half
Drill steel is impacted under the collective effect of gas and high pressure oil digs crushed rocks；When backhaul, middle cylinder ante-chamber connects high pressure oil, and piston is pushed to move back
And the nitrogen in upper cylinder body is compressed, a working cycles are completed in this way.Piston stroke in cycles, backhaul, rush drill steel
Break up crushed rocks, stone, concrete etc..
As shown in Figure 1 and Figure 2, in use, lower cylinder body main function is righting and connect drill steel to hydraulic breaking hammer,
The center at the center and piston that are allowed to drill steel guarantees in allowed limits, to form a kind of semienclosed beater mechanism.Lower cylinder
The inner-outer sleeve matched with drill steel outer circle is installed, drill steel is exactly to move in the hole of inner-outer sleeve, is risen to drill steel in the inner hole of body
The effect of guiding.Continuing on and replacing with drill steel, the gap between drill steel and inner-outer sleeve is gradually increased, the center of drill steel
Just increase with the off-centring of piston, piston can impact the edge of drill steel tail portion, it may appear that drill steel tail portion is burst apart or piston rushes
It hits end to burst apart, drill steel or piston is caused to damage.The generation of such phenomenon in order to prevent, when the gap between drill steel and inner-outer sleeve is big
When 15mm, it is necessary to replace inner-outer sleeve.
But since the hydraulic breaking hammer technology in China is introduced from foreign countries, the use condition of hydraulic breaking hammer at home
It with foreign countries is entirely different with intensity.In catalase operation, foreign countries are all that drill steel shallow-layer penetrates rock using quartering hammer
Stone penetrates rock in China's substantially deep layer, and when rock does not crack, all around shaking drill steel makes rock crack either
It is oblique to penetrate rock.These from external different usage modes not to be that the inner-outer sleeve of vulnerable part becomes and needs to be replaced frequently
Vulnerable part.The lower cylinder body used now is monoblock type, and installation inner-outer sleeve is all using the hole of interference fit and installation inner sleeve
It is deep.
The prior art have the disadvantage that 1. inner-outer sleeves abrasion after replace it is very inconvenient, currently used mode be use
Acetylene torch cuts inside and outside sets of holes, is easy to keep lower cylinder body inner hole injured in this way.
2. the keyway type hole of the installation cotter pilotage designed on lower cylinder body, will appear cracking phenomena in use, leads to lower cylinder body
It scraps.
Deficiency in this design brings great trouble to the use of user.With domestic city infrastructure construction
If investment continue to increase, the exploitation of outdoor mining industry is forbidden to use blasting procedure, and hydraulic breaking hammer dosage is increasing.This design
Deficiency, it is in the urgent need to address.We develop the new structural lower cylinder structure of one kind to solve this problem thus.
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 hydraulic breaking hammer
With lower cylinder body, to solve the problems, such as under quartering hammer that cylinder easily cracks from groove type bore edges and to replace inner-outer sleeve inconvenient.
To solve the above problems, the utility model uses a kind of following technical scheme: hydraulic breaking hammer lower cylinder body, including
Lower cylinder body main body is equipped with drill steel in lower cylinder body main body, the limiting device for limiting drill steel stroke is provided in lower cylinder body, under
It is packaged between one end and drill steel of main body cylinder block by detachable apparatus.
Be that the utility model advanced optimizes above scheme below: the limiting device includes moving for limiting drill steel
The position-limiting unit of dynamic distance.
Advanced optimize: the position-limiting unit includes the limiting section of ring structure.
Advanced optimize: the limiting section is that semicircular the first half snap ring and the second half snap rings form by longitudinal section.
It advanced optimizes: offering the first half snap ring annular grooves on the first half snap ring, offered on the second half snap rings
The second half snap ring annular grooves.
It advanced optimizes: being equipped with "O"-ring on the first half snap ring annular groove and the second half snap ring annular grooves.
It advanced optimizes: being provided in the lower cylinder body and with the one end fits of drill steel and the movement of drill steel is limited
Inner sleeve.
It advanced optimizes: being fixedly connected between the inner sleeve and lower cylinder body main body by connection unit.
Advanced optimize: the connection unit includes the first holding pin for connecting inner sleeve Yu lower cylinder body main body.
Advanced optimize: putting on position corresponding with the first holding pin in described and offering makes with the cooperation of the first holding pin
First half slot.
In use, inner sleeve is mounted in the hole of lower cylinder body main body, inner sleeve half slot is wanted with the first fastening pin hole when installation
To just, the first holding pin is mounted in the first fastening pin hole, is installed the first screw plug in one end of the first fastening pin hole, is prevented first
Holding pin is scurried out from the first fastening pin hole；
"O"-ring is covered in the first half snap ring annular grooves and the second half snap ring annular grooves, then by the first half snap rings and
2 half snap rings are installed on drill steel slot, and the tail portion of drill steel is mounted in the hole of inner sleeve；
The two has been firmly attached by periphery and lower cylinder body body gap with merga pass bolt by lower cylinder body seat
Come, the first half snap rings and the second half snap rings are limited between lower cylinder body seat end face and lower cylinder body main body end face, the first half snap rings
Effect with the second half snap rings is to limit drill steel not to be detached from jacket and inner sleeve, remains drill steel in the hole of jacket and inner sleeve
Sliding, the first half snap ring end faces and the second half snap ring end faces contact with drill steel slot end face and just define the sliding to the left of drill steel；
The periphery of housing and the inner hole of lower cylinder body seat use transition fit, and pass through the pine of both the second holding pin limitations
Dynamic, the second holding pin passes through the second fastening pin hole and housing half-arc groove, installs the second screw plug in the end of the second fastening pin hole,
It limits the second holding pin and scurries out；
When removing the first holding pin, the first screw plug is unscrewed, is passed through in lower cylinder body main body with an ejector pin (not drawn in figure)
The first holding pin can be ejected for lower cylinder body hole, then tap inner sleeve end face, and inner sleeve can be from the inner hole of lower cylinder body main body
In remove replacement；
When dismantling the second holding pin, the second screw plug is unscrewed, it can be with by the second fastening pin hole with ejector pin (not drawn in figure)
The second holding pin is ejected, housing end face is tapped, housing can be removed from the hole of lower cylinder body seat and be replaced.
The utility model is by setting interconnecting piece and connection unit, so that inner and outer sleeves are easy for assemble or unload simple, time saving province
Power, so that lower cylinder body length is shorter by 20% or more than original, is reduced down by the way that lower cylinder body seat is arranged between lower cylinder body and housing
The difficulty of processing of cylinder body；No longer set key groove type hole on lower cylinder body, avoids the cracking of cylinder body, while reducing processing cost, lower cylinder
Cost can decline 35% or more, current cotter pilotage is substituted using Snap ring structure (two halves snap ring), can be straight at drill steel and cotter pilotage cooperation
It connects turnery processing and saves Milling Process, drill steel processing cost can be reduced.
The present invention will be further described with reference to the accompanying drawings and examples.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of prior art quartering hammer in the background technology；
Fig. 2 is the structural schematic diagram of prior art quartering hammer in the background technology；
Fig. 3 is the structural schematic diagram of the utility model in embodiment；
Fig. 4 is the structural schematic diagram of the utility model in embodiment；
Fig. 5 is the structural schematic diagram of A-A in Fig. 3；
Fig. 6 is the structural schematic diagram of B-B in Fig. 3；
Fig. 7 is the structural schematic diagram of the utility model the first half snap rings and the second half snap rings in embodiment；
Fig. 8 is the structural schematic diagram of the utility model the first half snap rings and the second half snap rings in embodiment.
In figure: 1- lower cylinder body main body；2- lower cylinder body seat；The first half snap ring of 3-；4- inner sleeve；The first holding pin of 5-；6- " O " type
Circle；The second half snap ring of 7-；8- bolt；The second holding pin of 9-；10- housing；11- drill steel；12- slot；A1- first fastens pin hole；A2-
Inner sleeve half slot；A3- housing half slot；The first half snap ring annular groove of A4-；The second half snap ring annular groove of A5-；A6- lower cylinder body hole；
A7- second fastens pin hole；A8- lower cylinder body bore；B1- inner sleeve end face；B2- housing end face；B3- drill steel slot；B4- drill steel slot end
Face；The first half snap ring end face B5-；The second half snap ring end face B6-；B7- lower cylinder body end face；Cylinder seat end face under B8-；The first spiral shell of C1-
It is stifled；The second screw plug of C2-.
Specific embodiment
Embodiment, as shown in figures 3-8, a kind of hydraulic breaking hammer lower cylinder body is hollow lower cylinder body main body including inside
1, drill steel 11 is installed in lower cylinder body main body 1, the limiting device being conveniently replaceable is provided between lower cylinder body main body 1 and drill steel 11,
It is packaged between one end and drill steel 11 of lower cylinder body main body 1 by detachable apparatus.
Position on the drill steel 11 close to one end offers the drill steel slot B3 of ring structure, and the drill steel slot B3 and limit fill
Set the movement of cooperation limitation drill steel 11.
The limiting device includes the position-limiting unit for cooperating limitation 11 moving distance of drill steel with drill steel slot B3.
The position-limiting unit includes the limiting section of ring structure, which is semicircular the first half card by two longitudinal sections
Ring 3 and the second half snap rings 7 form.
The internal diameter of the limiting section is less than the outer diameter of drill steel 11, and is greater than the outer diameter of drill steel slot B3, while limiting section is outer
Diameter is greater than the internal diameter of lower cylinder body main body 1.
Position corresponding with limiting section offers the slot 12 that can accommodate limiting section in the lower cylinder body main body 1, the slot 12
Side be through to an end face of lower cylinder body main body 1, the design installation and removal of being convenient for limiting section in this way.
The annular groove of ring structure is offered on the excircle of the limiting section, the annular groove is respectively by being provided with the first half
The first half snap ring annular groove A4 on snap ring 3 and the second half snap ring annular groove A5 compositions being provided on the second half snap rings 7.
It is equipped with "O"-ring 6 on the first half snap ring annular groove A4 and the second half snap ring annular groove A5, can be protected in this way
It is sealed between card limiting section and lower cylinder body main body 1.
It is " ﹃ " shape structure that position corresponding with one end of drill steel 11, which is provided with longitudinal section, in the lower cylinder body main body 1
Inner sleeve 4, inner sleeve 4 are used to limit the movement of 11 one end of drill steel.
It is fixedly connected between the inner sleeve 4 and lower cylinder body main body 1 by connection unit, which includes cylinder
First holding pin 5 of type structure, the first holding pin 5 is for connecting inner sleeve 4 and lower cylinder body main body 1.
The lower cylinder body main body 1 position corresponding with the first holding pin 5, which offers, can accommodate the first of the first holding pin 5
Fasten pin hole A1.
One end of the first fastening pin hole A1 is through on the periphery of lower cylinder body main body 1 and is sealed by the first screw plug C1
Stifled, the other end runs through the periphery of lower cylinder body main body 1 by lower cylinder body hole A6.
Position corresponding with the first fastening pin hole A1, which is offered, in the inner sleeve 4 fastens what pin hole A1 was adapted with first
First half slot A2, the first fastening pin hole A1 and the first half slot A2 constitutes the hole that can completely accommodate the first holding pin 5,
And fixation of the realization to inner sleeve 4.
The connection unit is set as two, and setting symmetrical above and below, also can according to need and carries out left and right settings or inclination
Setting.
The detachable apparatus includes the lower cylinder body seat 2 of tubular structure, and lower cylinder body seat 2 is fixedly connected by multiple bolts 8
In one end of lower cylinder body main body 1.
One end of the lower cylinder body seat 2 extends to certain distance in lower cylinder body main body 1, and holds out against in the first half 3 Hes of snap ring
On the one side of the second half snap rings 7, design just realizes the fixation to the first half snap rings 3 and the second half snap rings 7 in this way.
It is packaged between the lower cylinder body seat 2 and drill steel 11 by longitudinal section for L-shaped housing 10, housing 10 is integrated
The two-part structure of connection, one section is major diameter section and is located at outside one end of lower cylinder body seat 2, and another section is located at lower cylinder body for path section
Between seat 2 and drill steel 11.
It is fixedly connected between the housing 10 and lower cylinder body seat 2 by easy-to-mount interconnecting piece, which includes circle
Second holding pin 9 of columnar structures, for connecting housing 10 and lower cylinder body seat 2.
The lower cylinder body seat 2 position corresponding with the second holding pin 9, which offers, can accommodate the second tight of the second holding pin 9
Gu pin hole A7.
One end of the second fastening pin hole A7 is through on the periphery of lower cylinder body seat 2 and is blocked by the second screw plug C2,
The other end runs through the periphery of lower cylinder body seat 2 by lower cylinder body bore A8.
Position corresponding with the second fastening pin hole A7 is offered on the housing 10 is adapted with the second fastening pin hole A7
Housing half slot A3, the second fastening pin hole A7 and housing half slot A3, which constitutes one, can completely accommodate the second holding pin 9
Hole, and realize the fixation to housing 10.
The interconnecting piece is set as two, and setting symmetrical above and below, also can according to need and carries out left and right settings or tilt to set
It sets.
The right side of the inner sleeve 4 is inner sleeve end face B1, and the left side of housing 10 is housing end face B2, the right side in drill steel slot B3
Side is drill steel slot end face B4, and the right side of the first half snap rings 3 is the first half snap ring end face B5, and the right side of the second half snap rings 7 is
The second half snap ring end face B6, one to be in contact in lower cylinder body main body 1 with the second half snap ring end face B6 and the first half snap ring end face B5
End face is lower cylinder body end face B7, and the right side of lower cylinder body seat 2 is lower cylinder seat end face B8.
In use, inner sleeve 4 is mounted in the hole of lower cylinder body main body 1, inner sleeve half slot A2 and the first holding pin when installation
Hole A1 will be to just, and the first holding pin 5 is mounted in the first fastening pin hole A1, installs the first spiral shell in one end of the first fastening pin hole A1
Stifled C1 prevents the first holding pin 5 from scurrying out from the first fastening pin hole A1；
By 6 sets of "O"-ring in the first half snap ring annular groove A4 and the second half snap ring annular groove A5, then by the first half snap rings
3 and the second half snap ring 7 be installed on drill steel slot B3, the tail portion of drill steel 11 is mounted in the hole of inner sleeve 4；
Lower cylinder body seat 2 is passed through into periphery and 1 clearance fit of lower cylinder body main body and is firmly attached the two by bolt 8
Get up, the first half snap rings 3 and the second half snap rings 7 are limited between lower cylinder body seat end face B8 and lower cylinder body end face B7, the first half
The effect of snap ring 3 and the second half snap rings 7 is to limit drill steel 11 not to be detached from housing 10 and inner sleeve 4, remains drill steel 11 outside
It is slided in the hole of set 10 and inner sleeve 4, the first half snap ring end face B5 and the second half snap ring end face B6 are contacted just with drill steel slot end face B4
Define the sliding to the left of drill steel 11；
The periphery of housing 10 and the inner hole of lower cylinder body seat 2 use transition fit, and pass through both the second holding pin 9 limitations
Loosening, the second holding pin 9 pass through second fastening pin hole A7 and housing half-arc groove A3, second fastening pin hole A7 end pacify
The second screw plug C2 is filled, limits the second holding pin 9 and scurry out；
When removing the first holding pin 5, the first screw plug C1 is unscrewed, passes through lower cylinder body main body 1 with an ejector pin (not drawing in figure)
Lower cylinder body hole A6 the first holding pin 5 can be ejected, then tap inner sleeve end face B1, inner sleeve 4 can be from lower cylinder body master
Replacement is removed in the inner hole of body 1；
When dismantling the second holding pin 9, the second screw plug C2 is unscrewed, passes through the second fastening pin hole A7 with ejector pin (not drawing in figure)
The second holding pin 9 can be ejected, housing end face B2 is tapped, housing 10 can be removed from the hole of lower cylinder seat 2 and be replaced.
The utility model is by setting interconnecting piece and connection unit, so that inner and outer sleeves are easy for assemble or unload simple, time saving province
Power, so that lower cylinder body length is shorter by 20% or more than original, is reduced down by the way that lower cylinder body seat is arranged between lower cylinder body and housing
The difficulty of processing of cylinder body；No longer set key groove type hole on lower cylinder body, avoids the cracking of cylinder body, while reducing processing cost, lower cylinder
Cost can decline 35% or more, current cotter pilotage is substituted using Snap ring structure (two halves snap ring), can be straight at drill steel and cotter pilotage cooperation
It connects turnery processing and saves Milling Process, drill steel processing cost can be lowered.
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 (10)
1. a kind of hydraulic breaking hammer lower cylinder body, including lower cylinder body main body (1), lower cylinder body main body (1) is interior to be equipped with drill steel (11),
It is characterized by: being provided with the limiting device for limiting drill steel (11) stroke, lower cylinder body main body (1) in lower cylinder body main body (1)
One end and drill steel (11) between be packaged by detachable apparatus.
2. a kind of hydraulic breaking hammer lower cylinder body according to claim 1, it is characterised in that: the limiting device includes using
In the position-limiting unit of limitation drill steel (11) moving distance.
3. a kind of hydraulic breaking hammer lower cylinder body according to claim 2, it is characterised in that: the position-limiting unit includes ring
The limiting section of shape structure.
4. a kind of hydraulic breaking hammer lower cylinder body according to claim 3, it is characterised in that: the limiting section is by longitudinal section
For semicircular the first half snap ring (3) and the second half snap ring (7) compositions.
5. a kind of hydraulic breaking hammer lower cylinder body according to claim 4, it is characterised in that: the first half snap ring (3)
On offer the first half snap ring annular grooves (A4), the second half snap ring annular grooves (A5) are offered on the second half snap rings (7).
6. a kind of hydraulic breaking hammer lower cylinder body according to claim 5, it is characterised in that: the first half snap rings annular
"O"-ring (6) are equipped on slot (A4) and the second half snap ring annular grooves (A5).
7. a kind of hydraulic breaking hammer lower cylinder body according to claim 6, it is characterised in that: the lower cylinder body main body (1)
It is inside provided with and the one end fits of drill steel (11) and inner sleeve (4) that the movement of drill steel (11) is limited.
8. a kind of hydraulic breaking hammer lower cylinder body according to claim 7, it is characterised in that: the inner sleeve (4) and lower cylinder
Phosphor bodies are fixedly connected between (1) by connection unit.
9. a kind of hydraulic breaking hammer lower cylinder body according to claim 8, it is characterised in that: the connection unit includes using
The first holding pin (5) in connection inner sleeve (4) and lower cylinder body main body (1).
10. a kind of hydraulic breaking hammer lower cylinder body according to claim 9, it is characterised in that: on the inner sleeve (4)
The corresponding position of one holding pin (5) offers the first half slot (A2) being used cooperatively with the first holding pin (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920145215.0U CN209587121U (en) | 2019-01-28 | 2019-01-28 | A kind of hydraulic breaking hammer lower cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920145215.0U CN209587121U (en) | 2019-01-28 | 2019-01-28 | A kind of hydraulic breaking hammer lower cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209587121U true CN209587121U (en) | 2019-11-05 |
Family
ID=68381028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920145215.0U Active CN209587121U (en) | 2019-01-28 | 2019-01-28 | A kind of hydraulic breaking hammer lower cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209587121U (en) |
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2019
- 2019-01-28 CN CN201920145215.0U patent/CN209587121U/en active Active
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