CN112814065B - Drill rod displacement trigger mechanism of quartering hammer - Google Patents
Drill rod displacement trigger mechanism of quartering hammer Download PDFInfo
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- CN112814065B CN112814065B CN202011603791.9A CN202011603791A CN112814065B CN 112814065 B CN112814065 B CN 112814065B CN 202011603791 A CN202011603791 A CN 202011603791A CN 112814065 B CN112814065 B CN 112814065B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
- E02F5/305—Arrangements for breaking-up hard ground
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Abstract
The invention discloses a drill rod displacement triggering mechanism of a breaking hammer in the technical field of breaking hammers, which comprises a drill rod, wherein a drill cylinder is arranged at the top end of the drill rod, a sleeve is arranged at the bottom end of the outer side of the drill cylinder and fixedly connected with the sleeve, a sleeve ring is in threaded connection with the outer side of the sleeve, an accidental support rod is arranged at the outer side of the sleeve ring, a connecting rod is arranged at the bottom end of the support rod and is in threaded connection with the connecting rod, a displacement assembly is arranged at the bottom end of the connecting rod, the displacement assembly comprises an annular support plate, a clamping block, a sliding rod, an electric telescopic rod, a spring and dust blocking cloth, the annular support plate is arranged at the bottom end of the connecting rod and is fixedly connected with the connecting rod, and the clamping block is arranged at the outer side of the annular support plate and is fixedly connected with the annular support plate. When the drill rod is broken through the structure, the sliding rod is firstly contacted with the working surface and drives the sliding rod to move upwards, the drill rod is broken through the work of the drill rod, the drill rod is contacted with the ground when the drill rod starts to work, the idle striking phenomenon cannot occur, and the drill rod can be protected.
Description
Technical Field
The invention relates to the technical field of breaking hammers, in particular to a drill rod displacement triggering mechanism of a breaking hammer.
Background
The conventional breaking hammer has various driving modes such as hydraulic driving, nitrogen and hydraulic hybrid driving, gravity driving and the like, and each driving mode achieves the effect of breaking objects by impacting a drill rod at a high speed to enable the drill rod to have large kinetic energy instantly; after the drill rod is impacted, huge kinetic energy is released out through the broken objects; however, when the drill rod is not in contact with an object before working, striking is still in progress, huge striking kinetic energy cannot be released, the drill rod is greatly damaged by long-time idle striking, the operation cost of equipment is increased, and larger dust and environmental pollution exist in actual construction;
the drill rod displacement triggering mechanism of the breaking hammer comprises a driving slide block, a limiting block, an amplitude valve body, a hydraulic hole, a valve body shell, a valve body spring, a drill rod sleeve and a drill rod spring, wherein the drill rod is arranged in the drill rod sleeve through the sliding fit of a drill rod guide block and a drill rod sleeve sliding hole, the drill rod spring is arranged on the guide block, and the drill rod displacement triggering mechanism plays a role in resetting the drill rod when the drill rod is knocked to and fro to work; a valve body shell is arranged on the drill rod sleeve through a first supporting plate, a second supporting plate and a third supporting plate, an amplitude valve body is arranged on the valve body shell, and a valve body spring is arranged between the amplitude valve body and the third supporting plate; namely, the problems are partially solved; the invention provides another drill rod displacement triggering mechanism of a breaking hammer, which aims to solve the problems in the background technology.
Disclosure of Invention
First, technical problem to be solved
The invention aims at the defects in the prior art, and particularly provides a drill rod displacement trigger mechanism of a breaking hammer, which solves the problems that when a drill rod is not in contact with an object before working, knocking is still in progress, huge knocking kinetic energy cannot be released, and the drill rod is greatly damaged.
Second, technical scheme
In order to solve the technical problem, the drill rod displacement triggering mechanism of the breaking hammer comprises a drill rod, wherein a drill cylinder is arranged at the top end of the drill rod, a sleeve is arranged at the bottom end of the outer side of the drill cylinder and is fixedly connected with the sleeve, a sleeve ring is connected with the outer side of the sleeve in a threaded manner, a support rod is arranged at the outer side of the sleeve ring, a connecting rod is arranged at the bottom end of the support rod and is in threaded connection with the connecting rod, and a displacement assembly is arranged at the bottom end of the connecting rod;
the displacement subassembly includes annular support plate, fixture block, slide bar, electric telescopic handle, spring and ash blocking cloth, annular support plate set up in the connecting rod bottom and with connecting rod fixed connection, the fixture block set up in the annular support plate outside and with annular support plate fixed connection, the slide bar sets up in the annular support plate outside, the slide bar run through the fixture block and with fixture block sliding connection, electric telescopic handle fixed connection is in the fixture block top, slide bar top fixedly connected with baffle, the spring sets up between baffle and fixture block, the spring sets up in the slide bar outside, electric telescopic handle output and baffle fixed connection, the ash blocking is laid and is arranged in the fixture block bottom and bond mutually with the fixture block.
As a further scheme of the invention: the sleeve outside is provided with the external screw thread, the lantern ring inboard is provided with the internal thread that meshes with the external screw thread mutually, the quantity of connecting rod sets up to a plurality ofly, and is a plurality of the connecting rod is ring array and distributes in the lantern ring outside, and is a plurality of be provided with transparent film between the connecting rod, the external screw thread is favorable to telescopic installation, and this device adopts the detachable mode to assemble, is convenient for maintain and install when in-service use, and the practicality is strong.
The handle is characterized in that a lug is arranged on the outer side of the lantern ring, the cross section of the lug is rectangular, the lug is fixedly connected with the lantern ring through welding, a limiting screw rod is arranged on the outer side of the lug, the limiting screw rod penetrates through the lug and the lantern ring, the lug and the lantern ring are both in threaded connection with a screw rod, a limiting hole is formed in the outer side of the supporting rod, the limiting hole is matched with the limiting screw rod, the limiting screw rod is rotated through the handle, and the supporting rod can be fixed through the limiting screw rod.
The handle is fixedly arranged at one end, far away from the lantern ring, of the limiting screw rod, the handle is fixedly connected with the limiting screw rod in a welding mode, and the handle is favorable for rotating the limiting screw rod.
The clamping block is provided with a clamping groove on one side close to the annular supporting plate, the clamping block is matched with the annular supporting plate through the clamping groove, a fastening bolt is arranged at the top of the clamping block, the fastening bolt penetrates through the clamping block and is in threaded connection with the annular supporting plate, and the fastening bolt is favorable for installation of the clamping block.
Wherein, be provided with the bar groove that runs through on the slide bar, ash blocking cloth run through the bar groove and with bar groove sliding connection, one side that ash blocking cloth and fixture block are relative all is provided with the adhesive linkage, ash blocking cloth passes through adhesive linkage and annular support plate fixed connection, and ash blocking cloth has the dust that does benefit to and prevents the during operation production to spread to the outside, and transparent film on the cooperation connecting rod can further improve the effect of dust-proof, can guarantee that the environment of job site does not receive the pollution when actual operation, environmental protection and energy saving more.
The connecting rod is connected with the supporting rod through threads, and the supporting rod is arc-shaped.
Wherein, the dust blocking cloth is made of transparent rubber material.
The electric telescopic rod is electrically connected with the D/A converter, the sliding rod can be automatically stretched and contracted through the structure, the movement of the drill rod is controlled, and the drill rod is protected in practical use.
The cross section of the fixture block is Y-shaped, and the fixture block is made of stainless steel materials.
Third, beneficial effect
Compared with the prior art, the baffle plate is driven to move upwards by the output end of the electric telescopic rod, thereby driving the slide bar to slide upwards, and controlling the breaking hammer through the singlechip, thereby beating the drill rod and breaking the working surface, when the structure is used for crushing, the slide bar is firstly contacted with the working surface and drives the slide bar to move upwards, and then the drill rod works to crush, the drill rod is contacted with the ground when the drill rod works at the beginning, the idle striking phenomenon can not occur, the protection of the drill rod is facilitated, the bottom end of the clamping block is provided with the dust blocking cloth, so that dust generated in the working process can be prevented from diffusing to the outside, the dust blocking cloth is matched with the transparent film on the connecting rod, the dust preventing effect can be further improved, the environment of a construction site can be prevented from being polluted in the actual operation process, and the dust blocking cloth is more environment-friendly and energy-saving.
Fix the sleeve in the drill pipe outside during use, with lantern ring threaded connection in the sleeve outside, the position of the lantern ring can be adjusted through rotating the lantern ring this moment, thereby through the height of branch and connecting rod adjustment ring support board, be favorable to adapting to different landform, later pass the lantern ring with branch, fix branch through stop screw, with connecting rod threaded connection in the branch bottom, fix ring support board in the connecting rod bottom through the welding, block the card in the ring support board outside, it is fixed with the fixture block to utilize fastening bolt, and then accomplish slide bar and electric telescopic handle's fixed, this device adopts the detachable mode to assemble, be convenient for maintenance and installation when in-service use, therefore, the clothes hanger is strong in practicability.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of the annular support plate of the present invention;
FIG. 4 is a schematic view of a strut structure according to the present invention;
FIG. 5 is a top view of the present invention;
FIG. 6 is an enlarged view of the portion A of FIG. 3 according to the present invention;
FIG. 7 is an enlarged view of the portion B of FIG. 2 according to the present invention;
fig. 8 is a schematic structural diagram of a control system of the present invention.
In the figure: 1. a drill rod; 2. a drill rod cylinder; 3. a sleeve; 4. a collar; 5. a strut; 6. a connecting rod; 7. a displacement assembly; 8. an annular support plate; 9. a clamping block; 10. a slide bar; 11. an electric telescopic rod; 12. a spring; 13. dust cloth; 14. a baffle plate; 15. an external thread; 16. a transparent film; 17. a bump; 18. a limit screw; 19. a limiting hole; 20. a grip; 21. a card slot; 22. fastening a bolt; 23. a strip-shaped groove; 24. a pressure sensor; 25. and a single chip microcomputer.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1:
referring to fig. 1 to 8, a drill rod displacement triggering mechanism of a breaking hammer according to an embodiment of the present invention is provided to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a drill rod displacement trigger mechanism of a breaking hammer comprises a drill rod 1, wherein a drill rod barrel 2 is arranged at the top end of the drill rod 1, a sleeve 3 is arranged at the bottom end of the outer side of the drill rod barrel 2 and is fixedly connected with the sleeve 3, a sleeve ring 4 is connected with the outer side of the sleeve 3 in a threaded manner, an external thread 15 is arranged at the outer side of the sleeve 3, an internal thread meshed with the external thread 15 is arranged at the inner side of the sleeve ring 4, a lug 17 is arranged at the outer side of the sleeve ring 4, the cross section of the lug 17 is rectangular, the lug 17 is fixedly connected with the sleeve ring 4 through welding, a limit screw 18 is arranged at the outer side of the lug 17, the limit screw 18 penetrates through the lug 17 and the sleeve ring 4, both the lug 17 and the sleeve ring 4 are in threaded connection with a screw rod, a limit hole 19 is arranged at the outer side of a support rod 5, the limit hole 19 is matched with the limit screw 18, the limit screw 18 is rotated through a handle 20, a handle 20 is fixedly arranged at one end of the limit screw rod 18, the handle 20 is fixedly connected with the limit screw rod 18 through welding, the handle 20 is favorable for rotating the limit screw 18, the support rods 5 can be fixed through the limit screw 18, the number of the connecting rods 6 is set to be multiple, the connecting rods 6 are distributed on the outer side of the lantern ring 4 in an annular array mode, the transparent films 16 are arranged among the connecting rods 6, the external threads 15 are favorable for installing the sleeve 3, the device is assembled in a detachable mode and is convenient to maintain and install in actual use, the practicability is high, the support rods 5 are arranged on the outer side of the lantern ring 4, the bottom ends of the support rods 5 are provided with the connecting rods 6 and are in threaded connection with the connecting rods 6, the inner portions of the support rods 5 are arranged into cavities, one ends, close to the support rods 5, of the connecting rods 6 are in threaded connection with the support rods 5, the support rods 5 are arranged to be arc-shaped, and the bottom ends of the connecting rods 6 are provided with the displacement assemblies 7;
the displacement component 7 comprises an annular supporting plate 8, a clamping block 9, a sliding rod 10, an electric telescopic rod 11, a spring 12 and an ash blocking cloth 13, wherein the annular supporting plate 8 is arranged at the bottom end of the connecting rod 6 and is fixedly connected with the connecting rod 6, the clamping block 9 is arranged at the outer side of the annular supporting plate 8 and is fixedly connected with the annular supporting plate 8, the sliding rod 10 is arranged at the outer side of the annular supporting plate 8, the sliding rod 10 penetrates through the clamping block 9 and is slidably connected with the clamping block 9, the electric telescopic rod 11 is fixedly connected with the top of the clamping block 9, one side of the clamping block 9, which is close to the annular supporting plate 8, is provided with a clamping groove 21, the clamping block 9 is matched with the annular supporting plate 8 through the clamping groove 21, the top of the clamping block 9 is provided with a fastening bolt 22, the fastening bolt 22 penetrates through the clamping block 9 and is in threaded connection with the annular supporting plate 8, the fastening bolt 22 is favorable for mounting the clamping block 9, the top end of the sliding rod 10 is fixedly connected with a baffle 14, and the sliding rod 10 is provided with a penetrating strip-shaped groove 23, the ash blocking cloth 13 penetrates through the strip-shaped groove 23 and is in sliding connection with the strip-shaped groove 23, an adhesive layer is arranged on one side, opposite to the clamping block 9, of the ash blocking cloth 13, the ash blocking cloth 13 is fixedly connected with the annular supporting plate 8 through the adhesive layer, the ash blocking cloth 13 is favorable for preventing dust generated in the working process from diffusing outwards, the dust preventing effect can be further improved by matching the transparent film 16 on the connecting rod 6, the environment of a construction site can be prevented from being polluted in the actual operation process, the ash blocking cloth is more environment-friendly and energy-saving, the spring 12 is arranged between the baffle 14 and the clamping block 9, the spring 12 is arranged on the outer side of the sliding rod 10, the output end of the electric telescopic rod 11 is fixedly connected with the baffle 14, the ash blocking cloth 13 is arranged at the bottom end of the clamping block 9 and is adhered to the clamping block 9, the ash blocking cloth 13 is made of transparent rubber materials, the cross section of the clamping block 9 is Y-shaped, and the clamping block 9 is made of stainless steel materials.
The bottom end of the sliding rod 10 is provided with a pressure sensor 24, the top of the clamping block 9 is provided with a single chip microcomputer 25, the input end of the single chip microcomputer 25 is provided with an A/D converter, the output end of the single chip microcomputer 25 is provided with a D/A converter, the pressure sensor 24 is electrically connected with the A/D converter, and the electric telescopic rod 11 is electrically connected with the D/A converter.
In the working process, the sleeve 3 is fixed on the outer side of the drill rod cylinder 2, the lantern ring 4 is in threaded connection with the outer side of the sleeve 3, the position of the lantern ring 4 can be adjusted by rotating the lantern ring 4, so that the height of the annular support plate 8 can be adjusted through the support rod 5 and the connecting rod 6, different landforms can be adapted to, after the lantern ring 4 is installed, the support rod 5 can penetrate through the lantern ring 4, then the limit screw 18 is rotated through the handle 20, the support rod 5 can be fixed through the limit screw 18, then the connecting rod 6 is in threaded connection with the bottom end of the support rod 5, when the support rod 5 is fixed by the connecting rod 6, the annular support plate 8 can be fixed at the bottom end of the connecting rod 6 through welding, at the moment, the clamping block 9 is clamped on the outer side of the annular support plate 8, the clamping block 9 is fixed by the fastening bolt 22, and then the sliding rod 10 and the electric telescopic rod 11 are fixed, the device is assembled in a detachable mode, the maintenance and the installation are convenient during the actual use, and the practicability is strong;
in the embodiment, the model of the pressure sensor 24 is set to MIK-P300-B, the model of the single chip microcomputer 25 is set to STM32F103RCT6, when the pressure sensor 24 at the bottom end of the slide bar 10 contacts the working surface in the actual use process, the pressure sensor 24 transmits the received pressure signal to the A/D converter, the A/D converter converts the analog signal into a digital signal and transmits the digital signal to the single chip microcomputer 25, the single chip microcomputer 25 processes and analyzes the digital signal and transmits the digital signal to the D/A converter, the D/A converter converts the digital signal into the analog signal and controls the electric telescopic rod 11, the baffle 14 is driven to move upwards through the output end of the electric telescopic rod 11, so as to drive the slide bar 10 to slide upwards, and the breaking hammer can be controlled through the single chip microcomputer 25, so as to strike the drill rod 1 and break the working surface, when the structure is used for crushing, the slide rod 10 is firstly contacted with a working surface and drives the slide rod 10 to move upwards, then the drill rod 1 is crushed through the work, so that the drill rod 1 is contacted with the ground when working, the idle striking phenomenon can not occur, the protection of the drill rod 1 is facilitated, the dust blocking cloth 13 arranged at the bottom end of the clamping block 9 is favorable for preventing the dust generated during the work from diffusing outwards, the dust preventing effect can be further improved by matching with the transparent film 16 on the connecting rod 6, the environment of a construction site can be prevented from being polluted during the actual operation, and the environment protection and energy saving effects are realized.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (9)
1. The utility model provides a drill rod displacement trigger mechanism of quartering hammer, includes drill rod (1), drill rod (1) top is provided with borer section of thick bamboo (2), its characterized in that: the drill rod comprises a drill rod barrel (2), a sleeve (3) is arranged at the bottom end of the outer side of the drill rod barrel (2) and fixedly connected with the sleeve (3), a sleeve ring (4) is connected to the outer side of the sleeve (3) in a threaded mode, a supporting rod (5) is arranged on the outer side of the sleeve ring (4), a connecting rod (6) is arranged at the bottom end of the supporting rod (5) and is connected with the connecting rod (6) in a threaded mode, and a displacement assembly (7) is arranged at the bottom end of the connecting rod (6);
the displacement assembly (7) comprises an annular supporting plate (8), a clamping block (9), a sliding rod (10), an electric telescopic rod (11), a spring (12) and dust blocking cloth (13), the annular supporting plate (8) is arranged at the bottom end of the connecting rod (6) and fixedly connected with the connecting rod (6), the clamping block (9) is arranged at the outer side of the annular supporting plate (8) and fixedly connected with the annular supporting plate (8), the sliding rod (10) is arranged at the outer side of the annular supporting plate (8), the sliding rod (10) penetrates through the clamping block (9) and is slidably connected with the clamping block (9), the electric telescopic rod (11) is fixedly connected with the top of the clamping block (9), a baffle (14) is fixedly connected to the top end of the sliding rod (10), the spring (12) is arranged between the baffle (14) and the clamping block (9), the spring (12) is arranged at the outer side of the sliding rod (10), and the output end of the electric telescopic rod (11) is fixedly connected with the baffle (14), the ash blocking cloth (13) is arranged at the bottom end of the clamping block (9) and is bonded with the clamping block (9);
the electric telescopic rod is characterized in that a pressure sensor (24) is arranged at the bottom end of the sliding rod (10), a single chip microcomputer (25) is arranged at the top of the clamping block (9), an A/D converter is arranged at the input end of the single chip microcomputer (25), a D/A converter is arranged at the output end of the single chip microcomputer (25), the pressure sensor (24) is electrically connected with the A/D converter, and the electric telescopic rod (11) is electrically connected with the D/A converter.
2. A shank displacement triggering mechanism of a demolition hammer as set forth in claim 1, characterized in that: the utility model discloses a go up the lantern ring (4), the sleeve (3) outside is provided with external screw thread (15), lantern ring (4) inboard is provided with the internal thread that meshes mutually with external screw thread (15), the quantity of connecting rod (6) sets up to a plurality ofly, and is a plurality of connecting rod (6) are ring array and distribute in the lantern ring (4) outside, and are a plurality of be provided with transparent film (16) between connecting rod (6).
3. A shank displacement triggering mechanism of a demolition hammer as set forth in claim 1, characterized in that: the improved structure is characterized in that a bump (17) is arranged on the outer side of the sleeve ring (4), the cross section of the bump (17) is rectangular, the bump (17) is fixedly connected with the sleeve ring (4) through welding, a limit screw (18) is arranged on the outer side of the bump (17), the limit screw (18) penetrates through the bump (17) and the sleeve ring (4), the bump (17) and the sleeve ring (4) are both in threaded connection with a screw, a limit hole (19) is formed in the outer side of the supporting rod (5), and the limit hole (19) is matched with the limit screw (18).
4. A shank displacement triggering mechanism of a demolition hammer as set forth in claim 3, characterized in that: and one end of the limiting screw rod (18), which is far away from the lantern ring (4), is fixedly provided with a handle (20), and the handle (20) is fixedly connected with the limiting screw rod (18) through welding.
5. A shank displacement triggering mechanism of a demolition hammer as set forth in claim 1, characterized in that: one side, close to the annular supporting plate (8), of the clamping block (9) is provided with a clamping groove (21), the clamping block (9) is matched with the annular supporting plate (8) through the clamping groove (21), the top of the clamping block (9) is provided with a fastening bolt (22), and the fastening bolt (22) penetrates through the clamping block (9) and is in threaded connection with the annular supporting plate (8).
6. A shank displacement triggering mechanism of a demolition hammer as set forth in claim 1, characterized in that: be provided with strip groove (23) that run through on slide bar (10), ash blocking cloth (13) run through strip groove (23) and with strip groove (23) sliding connection, ash blocking cloth (13) and fixture block (9) relative one side all are provided with the adhesive linkage, ash blocking cloth (13) pass through adhesive linkage and annular backup pad (8) fixed connection.
7. A shank displacement triggering mechanism of a demolition hammer as set forth in claim 1, characterized in that: the inside of the supporting rod (5) is provided with a cavity, one end of the connecting rod (6) close to the supporting rod (5) is in threaded connection with the supporting rod (5), and the supporting rod (5) is arc-shaped.
8. A shank displacement triggering mechanism of a demolition hammer as set forth in claim 1, characterized in that: the dust blocking cloth (13) is made of transparent rubber materials.
9. A shank displacement triggering mechanism of a demolition hammer as set forth in claim 1, characterized in that: the cross section of the fixture block (9) is Y-shaped, and the fixture block (9) is made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011603791.9A CN112814065B (en) | 2020-12-30 | 2020-12-30 | Drill rod displacement trigger mechanism of quartering hammer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011603791.9A CN112814065B (en) | 2020-12-30 | 2020-12-30 | Drill rod displacement trigger mechanism of quartering hammer |
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| Publication Number | Publication Date |
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| CN112814065A CN112814065A (en) | 2021-05-18 |
| CN112814065B true CN112814065B (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011603791.9A Active CN112814065B (en) | 2020-12-30 | 2020-12-30 | Drill rod displacement trigger mechanism of quartering hammer |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012786A (en) * | 2016-05-31 | 2016-10-12 | 福州麦辽自动化设备有限公司 | Drill rod displacement triggering mechanism for breaking hammer |
| CN208717984U (en) * | 2018-07-25 | 2019-04-09 | 江苏力博士机械股份有限公司 | A kind of hydraulic breaking hammer |
| CN110761275A (en) * | 2019-11-06 | 2020-02-07 | 甘肃喜匠智能设备科技有限公司 | Novel breaking hammer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1888302A4 (en) * | 2005-05-16 | 2015-05-06 | Terminator Ip S A | Improved breaking machine |
| KR20120033954A (en) * | 2010-09-30 | 2012-04-09 | 인석신 | Boring machine having head part |
-
2020
- 2020-12-30 CN CN202011603791.9A patent/CN112814065B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012786A (en) * | 2016-05-31 | 2016-10-12 | 福州麦辽自动化设备有限公司 | Drill rod displacement triggering mechanism for breaking hammer |
| CN208717984U (en) * | 2018-07-25 | 2019-04-09 | 江苏力博士机械股份有限公司 | A kind of hydraulic breaking hammer |
| CN110761275A (en) * | 2019-11-06 | 2020-02-07 | 甘肃喜匠智能设备科技有限公司 | Novel breaking hammer |
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| CN112814065A (en) | 2021-05-18 |
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Effective date of registration: 20220426 Address after: 331100 No. 103, Beidou Gang group, Hougang village committee, Fengcheng City, Yichun City, Jiangxi Province Applicant after: Fengcheng Hetai mineral Co.,Ltd. Address before: No. 750, Chuangyuan Road, high tech Zone, Ningbo City, Zhejiang Province Applicant before: Hua Fengjun |
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