CN112227941A - Reliability cluster type down-the-hole hammer and fixing method thereof - Google Patents
Reliability cluster type down-the-hole hammer and fixing method thereof Download PDFInfo
- Publication number
- CN112227941A CN112227941A CN202011200795.2A CN202011200795A CN112227941A CN 112227941 A CN112227941 A CN 112227941A CN 202011200795 A CN202011200795 A CN 202011200795A CN 112227941 A CN112227941 A CN 112227941A
- Authority
- CN
- China
- Prior art keywords
- hammer
- sub
- hole
- outer cylinder
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims description 50
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 11
- 238000005457 optimization Methods 0.000 description 8
- 239000011435 rock Substances 0.000 description 8
- 239000011295 pitch Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241000251131 Sphyrna Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001817 pituitary effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
The invention discloses a reliability cluster down-the-hole hammer and a fixing method thereof, wherein the reliability cluster down-the-hole hammer comprises a sub-hammer outer cylinder and is characterized in that: the reliability cluster type down-the-hole hammer is convenient to install on the hammer body, and after the installation is completed, the reliability cluster type down-the-hole hammer is firmly installed with the hammer body, so that the loosening phenomenon cannot occur, the use effect is improved, the risk of loosening is reduced, and the safety is improved.
Description
Technical Field
The invention relates to a down-the-hole hammer and a fixing method thereof, in particular to a reliability cluster down-the-hole hammer and a fixing method thereof, and belongs to the technical field of cluster down-the-hole hammers.
Background
The cluster down-the-hole hammer is professional rock-entering equipment applied to large-scale pile holes, the cluster down-the-hole hammer is developed more and more at present, but the cluster down-the-hole hammer on the market has the same general structure, a plurality of small-diameter down-the-hole hammer clusters called sub-hammers are combined together for use according to the drilled hole diameter, and the aim is to drill rock holes with the diameter larger than that of the sub-hammers at low cost.
The cluster down-the-hole hammer used at present is a cluster down-the-hole hammer with a corresponding diameter formed by selecting a corresponding number of sub-hammers with corresponding diameters according to construction apertures, and the cluster down-the-hole hammer with the corresponding diameter is required to be manufactured correspondingly for each construction aperture.
And the sub-hammer of the existing cluster down-the-hole hammer is fixedly arranged on the hammer body in a direct connection mode, such as the following patent numbers: 201520354221.9, discloses a bundling down-the-hole hammer, includes a cylinder hammer block, the internally mounted of cylinder hammer block has a plurality of sub-hammers that can use gas drive, and the drill bit is installed to the bottom of sub-hammer, a plurality of sub-hammers are around cylinder hammer block center, distribute according to different circumferences.
Above-mentioned this kind of sub-hammer of present cluster formula down-the-hole hammer is through locking device fixed mounting on the hammer block, and this locking device is similar detachable devices such as fastening bolt, and its overall structure is simple, and is fixed insecure to the sub-hammer, and then makes the stability difference of sub-hammer great, and the phenomenon appears rocking easily to fixed insecure messenger sub-hammer of sub-hammer, and its sub-hammer rocks for a long time and damages sub-hammer or hammer block easily, influences normal use, increases maintenance and maintenance cost, reduces the practicality.
Disclosure of Invention
The invention aims to solve the main technical problem of providing a reliable cluster down-the-hole hammer which has simple structure, convenient use and convenient installation, and the hammer is firmly fixed with a pituitary after the installation is finished, thereby improving the reliability and avoiding the shaking phenomenon of the hammer.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a reliability cluster formula down-the-hole hammer, includes the outer jar of sub-hammer, its characterized in that: the lower extreme of sub-hammer outer cylinder is provided with the broken hammer head, and the broken hammer head can dismantle fixed connection through lower clutch and sub-hammer outer cylinder, and the upper end of sub-hammer outer cylinder can be dismantled fixed mounting and be used for installing the sub-hammer top connection of sub-hammer body, is provided with seal assembly and fixed connection subassembly on the sub-hammer top connection.
The following is a further optimization of the above technical solution of the present invention:
the sub-hammer upper joint comprises a joint body, one end, far away from the ion hammer outer cylinder, of the joint body is sequentially and integrally connected with a sealing section, an installation section, a first thread section and a second thread section, the outer surface diameter of the first thread section is larger than that of the second thread section, the thread directions of external threads on the first thread section and the second thread section are opposite, and a threaded hole is formed in one end face, far away from the first thread section, of the second thread section.
Further optimization: the fixed connection assembly comprises a fastening nut in threaded connection with the first thread section and a locking nut in threaded connection with the second thread section, and the locking nut and the fastening nut are connected in a jacking mode and used for preventing the fastening nut from rotating.
Further optimization: the installation section is provided with an installation clamping groove, an anti-drop ring is installed in the installation clamping groove, and the locking nut is connected with the anti-drop ring in a jacking mode and used for fixing the position of the anti-drop ring.
Further optimization: the one end that connects the body and is close to sub-hammer outer cylinder an organic whole in proper order is connected with the conical surface and is used for the threaded connection section of the detachable rigid coupling of sub-hammer upper joint on sub-hammer outer cylinder, has seted up positioning groove on the surface of threaded connection section, has seted up the cotter hole on the sub-hammer outer cylinder, and the axis in cotter hole is laid perpendicularly with the axis of sub-hammer outer cylinder, installs the round pin axle in the cotter hole, and the round pin axle is used for preventing sub-hammer outer cylinder not hard up with the positioning groove cooperation.
Further optimization: the sealing assembly comprises a first sealing groove formed in the conical surface and a second sealing groove formed in the sealing section, and O-shaped sealing rings are respectively installed in the first sealing groove and the second sealing groove.
Further optimization: an air supply center hole is formed in the sub-hammer upper joint and communicated with the sub-hammer outer cylinder, a transverse air inlet communicated with the air supply center hole is formed in the joint body, and the transverse air inlet and the axis of the air supply center hole are vertically arranged.
Further optimization: the axis of the pin hole can be vertically arranged in a space with the axis of the outer cylinder of the sub-hammer, the pin hole is communicated with the positioning groove, a pin shaft is arranged in the pin hole, and the pin shaft is matched with the positioning groove to prevent the outer cylinder of the sub-hammer from loosening.
By adopting the technical scheme, the reliability cluster type down-the-hole hammer can be conveniently installed on the hammer body, and after the installation is finished, the reliability cluster type down-the-hole hammer and the hammer body are firmly installed, so that the loosening phenomenon is avoided, the use effect is improved, the risk of loosening is reduced, and the safety is improved.
The invention also discloses a fixing method of the reliability cluster type down-the-hole hammer, based on the reliability cluster type down-the-hole hammer, the fixing method comprises the following steps:
s1, firstly, fixedly mounting an upper connector of the sub hammer at the upper end of an outer cylinder of the sub hammer, and then fixedly mounting a crushing hammer head at the lower end of the outer cylinder of the sub hammer through a lower connector;
s2, mounting a pin shaft on the outer cylinder of the sub hammer, and assembling one end of the pin shaft in the positioning groove;
s3, installing O-shaped sealing rings in the first sealing groove and the second sealing groove to obtain the reliability cluster type down-the-hole hammer;
s4, installing the reliability cluster down-the-hole hammer in the hammer body, wherein a plurality of installation cavities are arranged in the hammer body, and the upper end of each installation cavity is provided with a sub-hammer installation position;
s5, sleeving the anti-drop ring on the mounting section, and then sequentially connecting a fastening nut and a locking nut on the first thread section and the second thread section in a threaded manner;
and S6, arranging a down-the-hole hammer upper cover at the upper end of the sub-hammer upper joint, and fixedly installing the down-the-hole hammer upper cover on the sub-hammer upper joint through the threaded connection of a fastening screw and a threaded hole to finish the fixation.
The following is a further optimization of the above technical solution of the present invention:
in step S4, when the hammer is installed in the hammer body, the first thread section, the second thread section, and the installation section of the sub-hammer upper joint respectively penetrate through the sub-hammer installation position and extend above the sub-hammer installation position, at this time, the joint of the joint body and the sealing section abuts against the lower end of the sub-hammer installation position, the first sealing groove and the second sealing groove respectively contact with the corresponding inner surfaces of the sub-hammer installation position, and the key groove on the lower joint is matched with the inner key on the hammer body.
By adopting the technical scheme, the reliability cluster type down-the-hole hammer is ingenious in concept, convenient to install and simple in assembly steps, the whole assembly is rapid, the use is convenient, and after the reliability cluster type down-the-hole hammer is installed, the installation is firm, the loosening phenomenon cannot occur, the use effect is improved, the risk of loosening is reduced, and the safety is improved.
The invention is further illustrated with reference to the following figures and examples.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
fig. 4 is a schematic structural view of a sub-hammer upper joint in embodiment 1 of the present invention;
FIG. 5 is a schematic structural view of a hammer block according to embodiment 1 of the present invention;
FIG. 6 is a schematic view of the overall structure in embodiment 2 of the present invention;
fig. 7 is a partial enlarged view of a portion a of fig. 6.
In the figure: 1-hammering the upper joint; 2-fastening a nut; 3-locking the nut; 4-anticreep ring; 5-hammer outer cylinder; 6-lower joint; 61-key slot; 7-a pin shaft; 71-internal bond; 72-pin holes; 8-breaking hammer heads; 11-a first thread segment; 12-a second thread segment; 13-a threaded hole; 14-down-the-hole hammer upper cover; 15-transverse air inlet; 16-a first seal groove; 17-a second seal groove; 18-installing a clamping groove; 19-a conical surface; 101-a joint body; 102-sealing section, 103-mounting section; 104-a threaded connection section; 105-a positioning groove; 20-a hammer body; 21-a sub-hammer mounting position; 22-intermediate chamber.
Detailed Description
Example (b): as shown in fig. 1-5, a reliability cluster type down-the-hole hammer comprises a sub-hammer outer cylinder 5, the lower end of the sub-hammer outer cylinder 5 is provided with a breaking hammer head 8, the breaking hammer head 8 can be detachably and fixedly connected with the sub-hammer outer cylinder 5 through a lower joint 6, the upper end of the sub-hammer outer cylinder 5 can be detachably and fixedly provided with a sub-hammer upper joint 1 for installing a sub-hammer body, and the sub-hammer upper joint 1 is provided with a sealing assembly and a fixed connection assembly.
The sub-hammer upper joint 1 comprises a joint body 101, one end, far away from the ion hammer outer cylinder 5, of the joint body 101 is sequentially and integrally connected with a sealing section 102, an installation section 103, a first thread section 11 and a second thread section 12, and the sealing section 102, the installation section 103, the first thread section 11 and the second thread section 12 are respectively and coaxially arranged with the joint body 101.
External threads are respectively arranged on the outer surfaces of the first thread section 11 and the second thread section 12, and the diameter of the outer surface of the first thread section 11 is larger than that of the outer surface of the second thread section 12.
The thread direction of the external thread on the first thread section 11 and the thread direction of the external thread on the second thread section 12 are opposite, and the thread pitches are different.
In addition to this embodiment, the thread pitch of the external threads on the first thread segments 11 and the second thread segments 12 may also be the same.
Fixed connection subassembly includes 2 and the lock nut 3 of threaded connection on the second screw thread section 12 of the fastening nut of threaded connection on the first screw thread section 11, lock nut 3 and 2 tops of fastening nut connect and are used for preventing that fastening nut 2 from rotating.
Design like this, the screw thread direction of the external screw thread on its first screw thread section 11 and the second screw thread section 12 is the opposite and lays, and then on first screw thread section 11 and second screw thread section 12 respectively threaded connection good lock nut 3 and fastening nut 2 after, its lock nut 3 can with fastening nut 2 butt joint, and then can be used for preventing fastening nut 2 from rotating, inject lock nut 3's position, improve the fixed mounting effect.
And the thread pitches of the external threads on the first thread section 11 and the second thread section 12 are different, so that the loosening effect of the locking nut 3 on the fastening nut 2 can be improved, and the fixed installation effect of installing the reliability cluster type down-the-hole hammer is improved.
An installation clamping groove 18 is formed in the installation section 103, an anti-dropping ring 4 is installed in the installation clamping groove 18, and the locking nut 3 and the anti-dropping ring 4 are connected in a jacking mode and used for fixing the anti-dropping ring 4.
By the design, when the reliability cluster type down-the-hole hammer needs to be installed on the hammer body 20, the sub-hammer upper joint 1 is firstly installed on the sub-hammer installation position 21 on the hammer body 20, the locking nut 3 and the fastening nut 2 on the first thread section 11 and the second thread section 12 can be used for conveniently and fixedly connecting the sub-hammer upper joint 1 with the hammer body 20, the anti-falling ring 4 can be used for improving the installation effect, and the reliability cluster type down-the-hole hammer is prevented from falling off from the hammer body 20.
And a threaded hole 13 is formed in one end surface, far away from the first threaded section 11, of the second threaded section 12, and the axis of the threaded hole 13 is coaxial with the axis of the sub-hammer upper joint 1.
One end of the sub-hammer upper joint 1, which is far away from the ion hammer outer cylinder 5, is provided with a down-the-hole hammer upper cover 14, and the down-the-hole hammer upper cover 14 is in threaded connection with the threaded hole 13 through a fastening screw, so that the down-the-hole hammer upper cover 14 is fixedly installed on the sub-hammer upper joint 1.
One end of the joint body 101, which is close to the outer cylinder 5 of the sub hammer, is sequentially and integrally connected with a conical surface 19 and a threaded connection section 104, external threads are distributed on the threaded connection section 104, and the upper joint 1 of the sub hammer is detachably and fixedly connected with the outer cylinder 5 of the sub hammer through the external threads on the threaded connection section 104.
By the design, the external thread on the threaded connection section 104 can be in threaded connection with the outer cylinder 5 of the sub hammer, so that the upper joint 1 of the sub hammer can be detachably and fixedly connected to the outer cylinder 5 of the sub hammer, and the installation is convenient.
The outer surface of the threaded connection section 104 is provided with a positioning groove 105.
The position, corresponding to the positioning groove 105, of the sub-hammer outer cylinder 5 is provided with a pin hole 72, the axis of the pin hole 72 is perpendicular to the axis of the sub-hammer outer cylinder 5, the pin hole 72 is communicated with the positioning groove 105, and a pin shaft 7 is installed in the pin hole 72.
One end of the pin shaft 7 is arranged in a positioning groove 105 and used for preventing the joint of the sub-hammer upper joint 1 and the sub-hammer outer cylinder 5 from loosening.
The axes of the pin shafts 7 are respectively and vertically arranged with the axes of the outer sub-hammer cylinders 5, the number of the pin shafts 7 is multiple, and the pin shafts 7 are respectively arranged on the outer sub-hammer cylinders 5.
In this embodiment, the number of the pins 7 is 1-4, and the number of the pins 7 is set according to the model and the size of the outer cylinder 5 of the sub hammer.
Design like this, the external screw thread on the accessible threaded connection section 104 carries out threaded connection with sub-hammer outer cylinder 5, the realization is with the detachable rigid coupling of sub-hammer top connection 1 on sub-hammer outer cylinder 5, then install round pin axle 7 in sub-hammer outer cylinder 5 and positioning groove 105, round pin axle 7 can be used to limit the axial position of sub-hammer top connection 1 with the cooperation of positioning groove 105 this moment, can prevent that the junction of sub-hammer top connection 1 and sub-hammer outer cylinder 5 from appearing becoming flexible, and then realize hammering sub-top connection 1 fixed mounting on sub-hammer outer cylinder 5.
The conical surface 19 is matched with an inner conical surface at a sub-hammer mounting position 21 of the hammer body 20.
The sealing assembly comprises a first sealing groove 16 formed in the conical surface 19 and a second sealing groove 17 formed in the sealing section 102, wherein O-shaped sealing rings are respectively installed in the first sealing groove 16 and the second sealing groove 17.
The O-ring seals in the first and second seal grooves 16 and 17 contact the inner surface of the hammer body 20 at the hammer mounting position 21 for improving the sealing effect.
By means of the design, the O-shaped sealing rings in the first sealing groove 16 and the second sealing groove 17 can be in contact with the inner surface of the hammer body 20 at the hammer mounting position 21, the joint of the hammer upper joint 1 and the hammer body 20 can be in sealing connection, the sealing effect is improved, and axial air leakage is prevented.
An air supply center hole is formed in the sub-hammer upper joint 1 and communicated with the sub-hammer outer cylinder 5, a transverse air inlet 15 communicated with the air supply center hole is formed in the joint body 101, and the transverse air inlet 15 is vertically arranged with the axis of the air supply center hole.
The transverse air inlet 15 is communicated with a middle chamber 22 in the hammer body 20, and high-pressure air in the middle chamber 22 enters the outer cylinder 5 of the sub hammer through the transverse air inlet 15 and an air supply central hole.
By adopting the transverse air inlet 15, the air supply mode of the reliability cluster type down-the-hole hammer is more effectively matched with an air supply line of the cluster type down-the-hole hammer, and the installation and the use are convenient.
Install the impact assembly in the sub-hammer outer cylinder 5, and this sub-hammer outer cylinder 5 and impact assembly are prior art, and are the same with the impact assembly of current impact sub-hammer, horizontal air inlet 15 and air feed centre bore carry on the sub-hammer outer cylinder 5 with the high-pressure gas guide in, this moment this reliability cluster formula down-the-hole hammer can work, support and lean on the rock surface when broken tup 8, its this reliability cluster formula down-the-hole hammer work can drive broken tup 8 and strike the rock surface for carry out the breakage to the rock, and drive this reliability cluster formula down-the-hole hammer through hammer block 20 and rotate the output cutting force and be used for thoroughly breaking away from the rubble with the rock mass, thereby reach the purpose that constantly creeps into deeply the rock layer, realize enclosing the ring and cutting the ring channel on the rock layer.
The breaking hammer head 8 and the lower connector 6 are integrally manufactured, and the lower connector 6 is fixedly connected with the outer cylinder 5 of the sub hammer in a dismounting mode through threads.
The position department that is close to lower clutch 6 on the sub-hammer outer cylinder 5 has seted up the round pin hole, the round pin downthehole round pin axle 7 that is provided with of round pin, carry out fixed connection through round pin axle 7 between sub-hammer outer cylinder 5 and the lower clutch 6, round pin axle 7 is used for limiting the axial displacement of lower clutch 6, and then is used for preventing that the lower clutch 6 from appearing becoming flexible with the junction of sub-hammer outer cylinder 5.
The outer surface of the lower joint 6 is provided with a key groove 61, and the key groove 61 is matched with an inner key 71 arranged on the hammer body 20.
By adopting the design, after the hammer with the reliability cluster type down-the-hole hammer is respectively arranged on the hammer body 20, the sub-hammer can be prevented from rotating in the process of down-the-hole hammer operation through the matching of the key groove 61 and the inner key 71, the risk of loosening is reduced, and the safety is improved.
By adopting the technical scheme, the reliability cluster type down-the-hole hammer can be conveniently installed on the hammer body 20, and after the installation is finished, the reliability cluster type down-the-hole hammer is firmly installed with the hammer body 20, so that the loosening phenomenon is avoided, the use effect is improved, the risk of loosening is reduced, and the safety is improved.
The invention also provides a fixing method for fixing the reliability cluster type down-the-hole hammer, which comprises the following steps:
and S1, fixedly mounting the upper sub-hammer joint 1 at the upper end of the outer sub-hammer cylinder 5 through the threaded connection section 104, and fixedly mounting the crushing hammer head 8 at the lower end of the outer sub-hammer cylinder 5 through the lower joint 6.
S2, respectively installing the pin shafts 7 in the pin holes 72 of the outer cylinder 5 of the sub-hammer, and ensuring that one ends of the pin shafts 7 are fitted in the positioning grooves 105 of the upper joint 1 of the sub-hammer.
And S3, installing O-shaped sealing rings in the first sealing groove 16 and the second sealing groove 17 on the sub hammer upper joint 1, and obtaining the reliability cluster type down-the-hole hammer.
And S4, installing the reliability cluster type down-the-hole hammer in the hammer body 20, wherein a plurality of installation cavities are arranged in the hammer body 20, and the upper ends of the installation cavities are provided with sub-hammer installation positions 21.
In step S4, when the hammer with a reliable cluster down-the-hole hammer is installed in the hammer body 20, the first threaded section 11, the second threaded section 12, and the installation section 103 of the sub-hammer upper joint 1 respectively penetrate through the sub-hammer installation position 21 and extend above the sub-hammer installation position 21, at this time, the joint of the joint body 101 and the sealing section 102 abuts against the lower end of the sub-hammer installation position 21, the first sealing groove 16 and the second sealing groove 17 respectively contact with the corresponding inner surfaces of the sub-hammer installation position 21, and the key groove on the lower joint 6 is matched with the inner key 71 on the hammer body 20.
S5, sleeving the anti-drop ring 4 on the installation section 103, then connecting the fastening nut 2 on the first thread section 11 in a threaded manner, pressing the anti-drop ring 4 by the fastening nut 2 to enable the anti-drop ring 4 to be abutted against the upper end face of the sub-hammer installation position 21, and then connecting the locking nut 3 on the second thread section 12 in a threaded manner.
And S6, arranging the down-the-hole hammer upper cover 14 at the upper end of the sub-hammer upper joint 1, and connecting the down-the-hole hammer upper cover 14 with the threaded hole 13 by adopting a fastening screw to realize the fixed installation of the down-the-hole hammer upper cover 14 on the sub-hammer upper joint 1, thus completing the fixation.
By adopting the technical scheme, the reliability cluster type down-the-hole hammer is ingenious in concept, can be conveniently installed on the hammer body 20, is convenient to install, simple in assembling steps, and convenient to use, enables the whole assembly to be fast, and is firm to install after the reliability cluster type down-the-hole hammer is installed, the loosening phenomenon cannot occur, the using effect is improved, the risk of loosening is reduced, and the safety is improved.
As shown in fig. 6, example 2: the pin shaft 7 in embodiment 1 may also have a structure as shown in fig. 6, a pin hole 72 is formed in a position, corresponding to the threaded connection section 104, of the sub-hammer outer cylinder 5, an axis of the pin hole 72 is spatially and vertically arranged with an axis of the sub-hammer outer cylinder 5, the pin hole 72 is communicated with the positioning groove 105, two ends of the pin hole 72 respectively penetrate through two sides of the sub-hammer outer cylinder 5, the pin shaft 7 penetrates through the pin hole 72, and an axis of the pin shaft 7 is spatially and vertically arranged with an axis of the sub-hammer outer cylinder 5.
Design like this, the external screw thread on the accessible threaded connection section 104 carries out threaded connection with sub-hammer outer cylinder 5, the realization is with the detachable rigid coupling of sub-hammer top connection 1 on sub-hammer outer cylinder 5, then install round pin axle 7 in cotter hole 72, and make round pin axle 7 pass through positioning groove 105, round pin axle 7 can be used to limit the axial position of sub-hammer top connection 1 with positioning groove 105 cooperation, can prevent that the junction of sub-hammer top connection 1 and sub-hammer outer cylinder 5 from appearing becoming flexible, and then realize sub-hammer top connection 1 fixed mounting on sub-hammer outer cylinder 5.
It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims.
Claims (10)
1. The utility model provides a reliability cluster formula down-the-hole hammer, includes sub-hammer outer cylinder (5), its characterized in that: the lower extreme of sub-hammer outer cylinder (5) is provided with quartering tup (8), and quartering tup (8) can dismantle fixed connection through lower clutch (6) and sub-hammer outer cylinder (5), and the upper end of sub-hammer outer cylinder (5) can be dismantled fixed mounting and be used for installing sub-hammer upper clutch (1) of sub-hammer body, is provided with seal assembly and fixed connection subassembly on sub-hammer upper clutch (1).
2. A reliability cluster down-the-hole hammer as set forth in claim 1, wherein: sub-hammer top connection (1) is including connecting body (101), the one end that connects body (101) far away ion hammer outer cylinder (5) is in proper order a body coupling to have seal section (102), installation section (103), first screw thread section (11) and second screw thread section (12), the surface diameter of first screw thread section (11) is greater than the surface diameter of second screw thread section (12), the screw thread opposite direction of the external screw thread on first screw thread section (11) and second screw thread section (12), set up threaded hole (13) on the terminal surface that first screw thread section (11) was kept away from in second screw thread section (12).
3. A reliability cluster down-the-hole hammer as set forth in claim 2, wherein: the fixed connection assembly comprises a fastening nut (2) in threaded connection with the first thread section (11) and a locking nut (3) in threaded connection with the second thread section (12), and the locking nut (3) and the fastening nut (2) are abutted to prevent the fastening nut (2) from rotating.
4. A reliability cluster down-the-hole hammer as set forth in claim 3, wherein: an installation clamping groove (18) is formed in the installation section (103), an anti-dropping ring (4) is installed in the installation clamping groove (18), and the locking nut (3) and the anti-dropping ring (4) are connected in a jacking mode to be used for fixing the position of the anti-dropping ring (4).
5. A reliability cluster down-the-hole hammer as set forth in claim 4, wherein: the one end that connects body (101) to be close to sub hammer outer cylinder (5) an organic whole in proper order is connected with conical surface (19) and is used for hammering the detachable rigid coupling section (104) on sub hammer outer cylinder (5) of sub-top connection (1), positioning groove (105) have been seted up on the surface of threaded connection section (104), round pin hole (72) have been seted up on sub hammer outer cylinder (5), the axis of round pin hole (72) is perpendicular the laying with the axis of sub hammer outer cylinder (5), install round pin axle (7) in round pin hole (72), round pin axle (7) are used for preventing sub hammer outer cylinder (5) not hard up with positioning groove (105) cooperation.
6. A reliability cluster down-the-hole hammer as set forth in claim 5, wherein: the sealing assembly comprises a first sealing groove (16) formed in a conical surface (19) and a second sealing groove (17) formed in a sealing section (102), and O-shaped sealing rings are respectively installed in the first sealing groove (16) and the second sealing groove (17).
7. A reliability cluster down-the-hole hammer as set forth in claim 6, wherein: an air supply center hole is formed in the sub-hammer upper joint (1), the air supply center hole is communicated with the sub-hammer outer cylinder (5), a transverse air inlet (15) communicated with the air supply center hole is formed in the joint body (101), and the transverse air inlet (15) and the axis of the air supply center hole are vertically arranged.
8. A reliability cluster down-the-hole hammer as set forth in claim 7, wherein: the axis of the pin hole (72) can be vertically arranged with the axis of the outer cylinder (5) of the sub-hammer in a space, the pin hole (72) is communicated with the positioning groove (105), a pin shaft (7) is installed in the pin hole (72), and the pin shaft (7) is matched with the positioning groove (105) and used for preventing the outer cylinder (5) of the sub-hammer from loosening.
9. A fixing method of a reliability cluster type down-the-hole hammer is characterized in that: the reliability cluster down-the-hole hammer of any of claims 1-8, the method of securing comprising the steps of:
s1, firstly, fixedly installing the upper sub-hammer joint (1) at the upper end of the outer sub-hammer cylinder (5), and then fixedly installing the crushing hammer head (8) at the lower end of the outer sub-hammer cylinder (5) through the lower joint (6);
s2, mounting a pin shaft (7) on the outer cylinder (5) of the sub hammer, and enabling one end of the pin shaft (7) to be assembled in the positioning groove (105);
s3, installing O-shaped sealing rings in the first sealing groove (16) and the second sealing groove (17) to obtain a reliable cluster down-the-hole hammer;
s4, installing the reliability cluster type down-the-hole hammer in the hammer body (20), wherein a plurality of installation cavities are arranged in the hammer body (20), and the upper end of each installation cavity is provided with a sub-hammer installation position (21);
s5, sleeving the anti-drop ring (4) on the mounting section (103), and then sequentially connecting a fastening nut (2) and a locking nut (3) on the first thread section (11) and the second thread section (12) in a threaded manner;
and S6, arranging a down-the-hole hammer upper cover (14) at the upper end of the sub-hammer upper joint (1), and fixedly installing the down-the-hole hammer upper cover (14) on the sub-hammer upper joint (1) through the threaded connection of a fastening screw and a threaded hole (13) to finish the fixation.
10. The method of securing a reliability cluster down-the-hole hammer of claim 9, wherein: in the step S4, when the reliability cluster type down-the-hole hammer is installed in the hammer body (20), the first thread section (11), the second thread section (12) and the installation section (103) of the sub-hammer upper joint (1) respectively penetrate through the sub-hammer installation position (21) and extend to the upper side of the sub-hammer installation position (21), at the moment, the joint of the joint body (101) and the sealing section (102) is abutted to the lower end of the sub-hammer installation position (21), the first sealing groove (16) and the second sealing groove (17) are respectively contacted with the corresponding inner surfaces of the sub-hammer installation position (21), and the key groove on the lower joint (6) is matched with the inner key (71) on the hammer body (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011200795.2A CN112227941A (en) | 2020-11-02 | 2020-11-02 | Reliability cluster type down-the-hole hammer and fixing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011200795.2A CN112227941A (en) | 2020-11-02 | 2020-11-02 | Reliability cluster type down-the-hole hammer and fixing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112227941A true CN112227941A (en) | 2021-01-15 |
Family
ID=74121909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011200795.2A Pending CN112227941A (en) | 2020-11-02 | 2020-11-02 | Reliability cluster type down-the-hole hammer and fixing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112227941A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012041084A1 (en) * | 2010-09-30 | 2012-04-05 | 湖南山河智能机械股份有限公司 | Combined down-the-hole hammer |
| CN205063813U (en) * | 2015-09-14 | 2016-03-02 | 北京三仁宝业科技发展有限公司 | Hammer tied in a bundle |
| CN205063814U (en) * | 2015-09-14 | 2016-03-02 | 北京三仁宝业科技发展有限公司 | Circulating boundling of turning over is hammered into shape |
| CN108104713A (en) * | 2018-02-08 | 2018-06-01 | 佘翀 | Combine reducing injection Pump breath countercirculate boundling down-hole hammer |
| CN111119726A (en) * | 2020-01-19 | 2020-05-08 | 潍坊吉爱姆机械贸易有限公司 | Annular cluster formula down-the-hole hammer |
| CN213869697U (en) * | 2020-11-02 | 2021-08-03 | 山东玖翊工程机械有限公司 | Reliability cluster formula down-the-hole hammer |
-
2020
- 2020-11-02 CN CN202011200795.2A patent/CN112227941A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012041084A1 (en) * | 2010-09-30 | 2012-04-05 | 湖南山河智能机械股份有限公司 | Combined down-the-hole hammer |
| CN205063813U (en) * | 2015-09-14 | 2016-03-02 | 北京三仁宝业科技发展有限公司 | Hammer tied in a bundle |
| CN205063814U (en) * | 2015-09-14 | 2016-03-02 | 北京三仁宝业科技发展有限公司 | Circulating boundling of turning over is hammered into shape |
| CN108104713A (en) * | 2018-02-08 | 2018-06-01 | 佘翀 | Combine reducing injection Pump breath countercirculate boundling down-hole hammer |
| CN111119726A (en) * | 2020-01-19 | 2020-05-08 | 潍坊吉爱姆机械贸易有限公司 | Annular cluster formula down-the-hole hammer |
| CN213869697U (en) * | 2020-11-02 | 2021-08-03 | 山东玖翊工程机械有限公司 | Reliability cluster formula down-the-hole hammer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213869697U (en) | Reliability cluster formula down-the-hole hammer | |
| CN102439256A (en) | Hydraulic crusher | |
| CN112227941A (en) | Reliability cluster type down-the-hole hammer and fixing method thereof | |
| KR100405186B1 (en) | Injector for grouting of concrete structure and construction method using it | |
| CN217941890U (en) | Boring bar quick change mechanism | |
| CN115324485B (en) | Self-adaptive PDC composite drill bit | |
| KR102229577B1 (en) | Multicoupled type drilling hammer and method for manufacturing the same | |
| CN212508054U (en) | Combined down-the-hole hammer sealing anti-loosening structure | |
| CN221761818U (en) | High-reliability rotary digging tooth | |
| CN211144362U (en) | Impactor | |
| US11629556B2 (en) | Directional drill bit attachment tools and method | |
| CN202895113U (en) | Pick-out device for locking ring assembly of well logging during drilling instrument | |
| CN112855037A (en) | Drill rod easy to disassemble and assemble | |
| CN216110549U (en) | Novel high wind pressure single eccentric drilling tool | |
| CN220909614U (en) | Petroleum drill pipe | |
| CN220890196U (en) | Locking device of hob for dual-mode shield tunneling machine | |
| CN216588477U (en) | Rotary drilling tool | |
| CN209228317U (en) | A kind of anchor cable drill chuck pricker device | |
| CN213038455U (en) | Hydraulic breaking hammer | |
| CN217950288U (en) | Joint device of drill rod, drill rod and drilling machine | |
| CN220748172U (en) | Drilling rod connection structure of drilling stake machine | |
| CN211017437U (en) | Convenient flexible earth bar | |
| CN115213674B (en) | Combustion chamber disassembly and assembly tool and use method | |
| CN219974437U (en) | Mounting structure of rock drill bit | |
| CN219974432U (en) | Connecting rod for coal mine drill rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |