CN109968294B - Angle adjusting device for electric hammer drill tool - Google Patents
Angle adjusting device for electric hammer drill tool Download PDFInfo
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- CN109968294B CN109968294B CN201910363942.9A CN201910363942A CN109968294B CN 109968294 B CN109968294 B CN 109968294B CN 201910363942 A CN201910363942 A CN 201910363942A CN 109968294 B CN109968294 B CN 109968294B
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- electric hammer
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- rod
- hammer drill
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- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000035939 shock Effects 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 18
- 230000009471 action Effects 0.000 description 12
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000561734 Celosia cristata Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/24—Damping the reaction force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/28—Supports; Devices for holding power-driven percussive tools in working position
Abstract
The invention discloses an angle adjusting device for an electric hammer drill tool, which comprises an outer frame, an electric hammer base, a servo motor, a hydraulic rod and an electric hammer body, wherein the top parts of the outer frame and the electric hammer base are connected through a first bearing seat and a first bearing, the servo motor is fixedly arranged at the bottom of the inner wall of the outer frame, movable grooves are formed in the inner sides of the top part and the bottom part of the electric hammer base, the hydraulic rod is arranged in the middle of the outer frame in a penetrating manner, a movable hole is formed in the side of a turntable on a sliding support, a second rotating wheel is arranged in the middle of the turntable in a penetrating manner, a fixing piece is arranged on the inner wall of the sliding support, and the fixing head is connected with the sliding support through a positioning head. This angle adjustment device about electric hammer drill instrument can carry out the accurate angle adjustment in electric hammer drill instrument vertical direction and the horizontal direction, makes things convenient for electric hammer drill instrument's use to dismantle the installation simultaneously to the operation to electric hammer drill instrument carries out shock attenuation protection.
Description
Technical Field
The invention relates to the technical field related to electric hammer drill tools, in particular to an angle adjusting device for an electric hammer drill tool.
Background
The electric hammer drill tool is widely applied to various engineering operations, is currently used as a hand tool, is manually used by operators, and is used for drilling operations in engineering construction on specific building construction surfaces, so that the work of material installation and fixed-point assembly in the construction process is convenient, the working efficiency of engineering construction drilling operations is improved, and the following problems exist in the use of the existing electric hammer drill tool:
1. at present, when the engineering drilling operation is performed, the construction angle of a drilling tool is required to be adjusted, the angle is manually adjusted by hand, the problem of drilling deviation easily occurs when the engineering drilling tool is used, the stability during the drilling construction is difficult to ensure, and the accurate adjustment of the drilling angle adjustment cannot be realized;
2. the angle adjustment of the electric hammer drill tool is carried out by the auxiliary fixing device in a small part, the vibration action counter force applied to the electric hammer drill tool during working is large, the installation of the electric hammer drill tool is easy to loosen to influence the construction, and meanwhile the electric hammer drill tool is inconvenient to disassemble, replace, install and use.
In order to solve the problems, innovative designs based on the original electric hammer drill tools are urgently needed.
Disclosure of Invention
The invention aims to provide an angle adjusting device for an electric hammer drill tool, which aims to solve the problems that the electric hammer drill tool is inconvenient to accurately adjust and change the angle in use, deviation in drilling operation is easy to occur, and meanwhile, an auxiliary drilling device of the electric hammer drill tool is subjected to large vibration counter force in operation, drilling operation of the electric hammer drill tool is easy to influence, and the electric hammer drill tool is inconvenient to detach, replace and use.
In order to achieve the above purpose, the present invention provides the following technical solutions: the angle adjusting device for the electric hammer drilling tool comprises an outer frame, an electric hammer base, a servo motor, a hydraulic rod and an electric hammer body, wherein the top parts of the outer frame and the electric hammer base are connected through a first bearing seat and a first bearing, a slewing bearing is fixedly arranged at the bottom of the electric hammer base and is connected with the slewing bearing seat through a connecting flange, the lower end of the slewing bearing seat is fixed on the inner wall of the outer frame, the servo motor is fixedly arranged at the bottom of the inner wall of the outer frame, the end part of an output shaft of the servo motor is mutually connected with the outer wall of the slewing bearing seat through a first screw rod, moving grooves are formed in the inner sides of the top part and the bottom of the electric hammer base, a first elastic piece is arranged in the middle of the moving grooves, the end part of the moving block is vertically connected to the outer wall of a sliding support, a through hole is reserved at the back of the electric hammer base, the hydraulic rod penetrates through the middle part of the outer frame, the end part of the hydraulic rod is connected with the side of the sliding support through a locating bracket, the end part of the sliding support is rotatably arranged on the inner wall of the outer frame, the side of the sliding support is fixedly provided with a gear shaft, the side of the rotating disc is provided with a moving hole, the end part of the sliding support is fixedly arranged on the side of the rotating disc is provided with a second shaft, the rotating wheel shaft is fixedly arranged at the end part of the sliding support is fixedly penetrates through the second shaft seat, the end part of the rotating disc is fixedly arranged in the middle part, and is fixedly arranged at the middle part of the rotating disc, and is fixedly arranged at one end of the end of rotating disc is fixedly arranged at one end of rotating seat, and penetrates through the middle seat, and a second elastic piece is arranged between the fixing heads, the fixing heads are connected with the sliding support through positioning heads, tooth blocks are fixed on the inner sides of outlets of the positioning heads, the electric hammer body is arranged on the sliding support, and the electric hammer body is positioned between the limiting belts.
Preferably, the outer wall of the slewing bearing is in a worm-gear structure, the slewing bearing is fixedly connected with the bottom of the electric hammer base, and the outer wall of the slewing bearing is in meshed connection with the first screw rod.
Preferably, the end part of the hydraulic rod is of a strip-shaped hollow structure, the end part of the hydraulic rod and the positioning frame form a clamped sliding installation structure, and the connecting ends of the positioning frame and the hydraulic rod are of rectangular structures.
Preferably, the back of the rotary table and the sliding support form a rotary structure, the outer wall of the rotary table is in a worm wheel shape, and the rotary table is in meshed connection with the second screw rod.
Preferably, the fixed rod and the rotary table form a relative telescopic structure, the outer wall of the fixed rod is provided with a saw-tooth structure, the fixed rod is connected with the gear shaft in a meshed mode, and the gear shaft and the rotary table are coaxially arranged.
Preferably, the fixing rod is in an L-shaped structure, and the side of the fixing rod and the inner wall of the moving hole form a clamped sliding installation structure.
Preferably, the fixed heads are symmetrically arranged 2 with respect to the central axis of the limiting belt, and the fixed heads are of an L-shaped structure with zigzag end parts.
Preferably, the fixing head and the positioning head form a clamping disassembly and installation structure through the tooth blocks, and the connection part of the fixing head and the end part of the limiting belt is concave.
Compared with the prior art, the invention has the beneficial effects that: the angle adjusting device for the electric hammer drill tool can be used for accurately adjusting angles in the vertical direction and the horizontal direction of the electric hammer drill tool, so that drilling operation of the electric hammer drill tool is more accurate, the electric hammer drill tool is convenient to use, disassemble and install, and vibration reduction and protection are carried out on the operation of the electric hammer drill tool;
1. only the rotation control of the first screw rod and the second screw rod is needed to respectively enable the slewing bearing and the turntable to rotate, so that the purposes of angle adjustment in the horizontal direction of the electric hammer base and adjustment in the vertical direction of the electric hammer body are achieved, the first screw rod and the second screw rod are meshed in a rotating way, the slewing bearing and the turntable are enabled to rotate more accurately, and the angle adjustment work is convenient to carry out;
2. under the meshing connection effect of gear shaft and dead lever for dead lever and carousel are flexible relatively, fix a position the electric hammer body, and connect through the block between dead head and the locating head, make the electric hammer body fixed by spacing area, through the combined action of position area and positioning seat, make things convenient for the fixed dismantlement of installation of electric hammer body, and can fix a position the electric hammer body of equidimension not.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present invention;
FIG. 2 is a schematic view of the slewing bearing and first screw rod connection structure of the present invention;
FIG. 3 is a schematic diagram of a connection structure of a moving block and a moving slot according to the present invention;
FIG. 4 is a schematic view of the connection structure of the hydraulic rod and the positioning frame of the present invention;
FIG. 5 is a schematic view of the back structure of the electric hammer base of the present invention;
FIG. 6 is a schematic side view of a turntable according to the present invention;
FIG. 7 is a schematic view of the internal structure of the turntable according to the present invention;
FIG. 8 is a schematic view of a stationary head according to the present invention;
FIG. 9 is a schematic diagram of a second wheel and turntable connection according to the present invention.
In the figure: 1. an outer frame; 2. a electric hammer base; 3. a first bearing seat; 4. a first bearing; 5. a slewing bearing; 6. a connecting flange; 7. a rotary supporting seat; 8. a servo motor; 9. a first screw rod; 10. a moving groove; 11. a first elastic member; 12. a moving block; 13. a sliding support; 14. a through hole; 15. a hydraulic rod; 16. a positioning frame; 17. a turntable; 18. a moving hole; 19. a second bearing seat; 20. a second screw rod; 21. a first wheel; 22. a gear shaft; 23. a fixed rod; 24. a positioning seat; 25. a fixing member; 26. a limit belt; 27. a fixed head; 28. a second elastic member; 29. a positioning head; 30. tooth blocks; 31. an electric hammer body; 32. a second wheel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, the present invention provides a technical solution: an angle adjusting device for an electric hammer drill tool comprises an outer frame 1, an electric hammer base 2, a first bearing seat 3, a first bearing 4, a slewing bearing 5, a connecting flange 6, a slewing bearing seat 7, a servo motor 8, a first screw rod 9, a moving groove 10, a first elastic piece 11, a moving block 12, a sliding bracket 13, a through hole 14, a hydraulic rod 15, a positioning frame 16, a turntable 17, a moving hole 18, a second bearing seat 19, a second screw rod 20, a first rotating wheel 21, a gear shaft 22, a fixed rod 23, a positioning seat 24, a fixed piece 25, a limiting belt 26, a fixed head 27, a second elastic piece 28, a positioning head 29, a tooth block 30, an electric hammer body 31 and a second rotating wheel 32, wherein the tops of the outer frame 1 and the electric hammer base 2 are connected through the first bearing seat 3 and the first bearing 4, and the slewing bearing 5 is fixedly arranged at the bottom of the electric hammer base 2, the slewing bearing 5 is connected with a slewing bearing 7 through a connecting flange 6, the lower end of the slewing bearing 7 is fixed on the inner wall of the outer frame 1, a servo motor 8 is fixedly arranged at the bottom of the inner wall of the outer frame 1, the end part of an output shaft of the servo motor 8 is connected with the outer wall of the slewing bearing 5 through a first screw rod 9, the inner sides of the top and the bottom of the electric hammer base 2 are respectively provided with a moving groove 10, a first elastic piece 11 is arranged in the moving groove 10, the middle part of the first elastic piece 11 is provided with a moving block 12, the end part of the moving block 12 is vertically connected with the outer wall of the sliding bracket 13, meanwhile, a through hole 14 is reserved at the back of the electric hammer base 2, a hydraulic rod 15 penetrates through the middle part of the outer frame 1, the end part of the hydraulic rod 15 is connected with the side of the sliding bracket 13 through a locating bracket 16, the end part of the sliding bracket 13 is rotatably provided with a turntable 17, a moving hole 18 is formed in the side of a rotary disc 17 on a sliding support 13, a second bearing 19 is fixed on the side of the moving hole 18, a second screw rod 20 is installed in the middle of the second bearing 19 in a penetrating manner, a first rotary wheel 21 is welded at the end part of the second screw rod 20, a second rotary wheel 32 is installed in the middle of the rotary disc 17 in a penetrating manner, a gear shaft 22 is fixed on one end of the second rotary wheel 32 in the rotary disc 17, a fixing rod 23 is installed in the penetrating manner on the side of the gear shaft 22 in the rotary disc 17 in a penetrating manner, a positioning seat 24 is fixed on the end part of the fixing rod 23 through the moving hole 18, a fixing piece 25 is arranged on the inner wall of the sliding support 13, a limiting belt 26 is connected to the fixing piece 25, a fixing head 27 is fixed at the end part of the limiting belt 26, a second elastic piece 28 is arranged between the fixing heads 27, the fixing heads 27 are connected with the sliding support 13 through a positioning head 29, a tooth block 30 is fixed on the inner side of an outlet of the positioning head 29, a hammer body 31 is arranged on the sliding support 13, and the hammer body 31 is arranged between the limiting belts 26;
the outer wall of the slewing bearing 5 is of a worm-gear structure, the slewing bearing 5 is fixedly connected with the bottom of the electric hammer base 2, the outer wall of the slewing bearing 5 is in meshed connection with the first screw rod 9, and when the first screw rod 9 rotates, the slewing bearing 5 and the electric hammer base 2 perform angle adjustment in the horizontal direction, so that the angle adjustment of the electric hammer drill tool is more convenient and accurate;
the end part of the hydraulic rod 15 is of a strip-shaped hollow structure, the end part of the hydraulic rod 15 and the positioning frame 16 form a clamped sliding installation structure, the connecting end of the positioning frame 16 and the hydraulic rod 15 is of a rectangular structure, the sliding bracket 13 moves on the electric hammer base 2 under the connecting action of the positioning frame 16 and the hydraulic rod 15 to perform a drilling action, and vibration external force is weakened under the spring action of the positioning frame 16 and the hydraulic rod 15;
the rotary table 17 and the back of the sliding support 13 form a rotary structure, the outer wall of the rotary table 17 is in a worm wheel shape, the rotary table 17 and the second screw rod 20 are in meshed connection, the position and the orientation of the rotary table 17 are adjusted through the second screw rod 20, the angle of the positioning seat 24 and the electric hammer body 31 in the vertical direction is changed, and the angle of a vertical plane is accurately adjusted during drilling operation of the electric hammer drill tool;
the fixed rod 23 and the rotary table 17 form a relative telescopic structure, the outer wall of the fixed rod 23 is provided with a saw-tooth structure, the fixed rod 23 is connected with the gear shaft 22 in a meshed mode, the gear shaft 22 and the rotary table 17 are coaxially arranged, the fixed rod 23 and the rotary table 17 are telescopic through rotation of the gear shaft 22, and the positioning seat 24 at the end portion of the fixed rod 23 is used for well installing and positioning the electric hammer body 31, so that the electric hammer body 31 is more stable in operation;
the fixed rod 23 is in an L-shaped structure, and the side of the fixed rod 23 and the inner wall of the moving hole 18 form a clamped sliding installation structure, and the fixed rod 23 is in sliding connection with the moving hole 18, so that the fixed rod 23 cannot deviate in moving and changing the direction, and the fixed rod is more stable in fixing the electric hammer body 31;
the center axis symmetry of fixed head 27 about spacing area 26 is provided with 2, and fixed head 27 sets up to the tip and is "L" style of calligraphy structure of cockscomb structure, and fixed head 27 passes through tooth piece 30 and constitutes the dismantlement mounting structure of block with location head 29, and fixed head 27 and spacing area 26's tip junction sets up to interior concavity, and fixed head 27 and location head 29's connection, conveniently installs location to electric hammer body 31 through spacing area 26, and convenient spacing area 26 spacing electric hammer body 31 dismantles and installs simultaneously.
Working principle: when the angle adjusting device for the electric hammer drill tool is used, firstly, according to the view shown in fig. 1-2, under the working action of a servo motor 8, the servo motor 8 drives a first screw rod 9 to rotate, and as the first screw rod 9 is meshed with a slewing bearing 5, the slewing bearing 5 is meshed to rotate when the first screw rod 9 rotates, and under the rotation action of the slewing bearing 5, the electric hammer base 2 relatively rotates with an outer frame 1 through a first bearing seat 3, a first bearing 4, a slewing bearing seat 7 and a connecting flange 6, wherein the first bearing seat 3, the first bearing 4, the slewing bearing seat 7 and the connecting flange 6 play a role of fixing and rotating for the connection of the electric hammer base 2 and the outer frame 1, so that the horizontal angle adjustment of the electric hammer drill tool in the electric hammer base 2 is carried out, the drilling action is convenient, and the angle adjustment of the electric hammer drill tool in the horizontal direction is more accurate;
then according to fig. 1 and 5-7, the electric hammer body 31 is placed on the sliding support 13, then the second rotating wheel 32 and the turntable 17 are manually rotated to form a relative rotating structure, according to fig. 9, the second rotating wheel 32 and the turntable 17 are connected through a bearing ratchet structure, under the action of a spring bolt at the side of the bearing ratchet structure, the clamping connection between the spring bolt and the outer wall of the bearing ratchet structure is performed, (because the bearing ratchet structure and the spring bolt are all common structures and are only shown in fig. 9, no part label is given), the relative rotation of the second rotating wheel 32 and the turntable 17 is limited by human use, the gear shaft 22 connected with the end part of the second rotating wheel 32 and the turntable 17 is meshed with the end part of the fixed rod 23 by the relative rotation of the second rotating wheel 32 and the turntable 17, so that the fixed rod 23 and the turntable 17 are relatively telescopic, the relative distance between the 2 fixing rods 23 is changed, so that the positioning seat 24 at the end part of the fixing rod 23 supports and presses the outer side of the electric hammer body 31, the electric hammer body 31 is fixed between the positioning seats 24, the first rotating wheel 21 is manually rotated, the second screw rod 20 connected with the middle part of the first rotating wheel 21 rotates in the second bearing seat 19, the rotating disk 17 and the sliding support 13 rotate relatively due to the meshed connection of the second screw rod 20 and the outer wall of the rotating disk 17, the orientation of the rotating disk 17 and the fixing rod 23 fixed on the rotating disk is changed, the side of the electric hammer body 31 is pressed and fixed by the fixing rod 23 through the positioning seat 24, the accurate adjustment of the angle in the vertical direction after the electric hammer body 31 is realized, the positioning and the proceeding of drilling operation are facilitated, the middle part of the fixing rod 23 moves in the moving hole 18 to move and position the fixing rod 23 when the fixing rod 23 moves and changes the orientation, the problem of easy movement and deviation is solved, according to fig. 1 and 8, after the electric hammer body 31 is initially positioned by the fixing rod 23 and the positioning seat 24, the limiting belt 26 is pulled, so that the limiting belt 26 wraps the outer side of the electric hammer body 31, then the limiting belt 26 is installed and positioned under the clamping connection effect of the tooth block 30 in the fixing head 27 and the positioning head 29 at the end part of the limiting belt 26, the position of the electric hammer body 31 is fixed, and the electric hammer body 31 is prevented from loosening when being conveniently detached and replaced;
according to fig. 1 and 3, after the angle adjustment of the electric hammer body 31 is completed, under the action of the hydraulic rod 15, the end part of the hydraulic rod 15 pushes the sliding support 13 through the positioning frame 16 and the spring, so that the moving block 12 at the side of the sliding support 13 moves in the moving groove 10 to perform the drilling action, due to the combined action of the positioning frame 16, the spring and the first elastic piece 11, the sliding support 13 and the hydraulic rod 15 elastically stretch and retract, the moving block 12 elastically moves in the moving groove 10, and the external vibration counterforce of the sliding support 13 applied to the operation of carrying the electric hammer body 31 is greatly weakened, so that the action of the electric hammer body 31 is protected.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. The utility model provides an angle adjustment device about electric hammer drill instrument, includes outer frame (1), electric hammer base (2), servo motor (8), hydraulic rod (15) and electric hammer body (31), its characterized in that: the top of the outer frame (1) and the top of the electric hammer base (2) are connected through a first bearing seat (3) and a first bearing (4), the bottom of the electric hammer base (2) is fixedly provided with a slewing bearing (5), the slewing bearing (5) is connected with a slewing bearing seat (7) through a connecting flange (6), the lower end of the slewing bearing seat (7) is fixed on the inner wall of the outer frame (1), the servo motor (8) is fixedly arranged at the bottom of the inner wall of the outer frame (1), the output shaft end of the servo motor (8) is connected with the outer wall of the slewing bearing (5) through a first screw rod (9), the inner sides of the top and the bottom of the electric hammer base (2) are respectively provided with a moving groove (10), the inner side of the moving grooves (10) is provided with a first elastic piece (11), the middle part of the first elastic piece (11) is provided with a moving block (12), the end part of the moving block (12) is vertically connected with the outer wall of the sliding bracket (13), meanwhile, the back of the electric hammer base (2) is reserved with a through hole (14), the middle part (15) is arranged at the outer frame (1) and penetrates through the outer wall of the sliding bracket (13) and is connected with the end part (13) through the sliding bracket (16), the side of the rotary table (17) on the sliding support (13) is provided with a moving hole (18), the side of the moving hole (18) is fixedly provided with a second bearing (19), a second screw rod (20) is installed in the middle of the second bearing (19), a first rotary wheel (21) is welded at the end part of the second screw rod (20), a second rotary wheel (32) is installed in the middle of the rotary table (17), a gear shaft (22) is fixed at one end of the second rotary wheel (32) in the rotary table (17), a fixing rod (23) is installed at the side of the rotary table (17) in a penetrating way, the end part of the fixing rod (23) is fixedly provided with a positioning seat (24) through the moving hole (18), the inner wall of the sliding support (13) is provided with a fixing piece (25), a limiting belt (26) is connected to the fixing piece (25), a fixing head (27) is fixed at the end part of the limiting belt (26), a second elastic piece (28) is arranged between the fixing heads (27), the fixing head (27) is connected with the sliding support (13) through a positioning head (29) through a positioning head, and the sliding support (13) is provided with a positioning head (31) on the inner side of the sliding support (13), the electric hammer body (31) is positioned between the limit belts (26);
the outer wall of the slewing bearing (5) is of a worm-gear structure, the slewing bearing (5) is fixedly connected with the bottom of the electric hammer base (2), and the outer wall of the slewing bearing (5) is in meshed connection with the first screw rod (9);
the end part of the hydraulic rod (15) is of a strip-shaped hollow structure, the end part of the hydraulic rod (15) and the locating frame (16) form a clamping sliding installation structure, and the connecting end of the locating frame (16) and the hydraulic rod (15) is of a rectangular structure.
2. An angle adjusting apparatus for an electric hammer drill tool according to claim 1, wherein: the back of the rotary table (17) and the sliding support (13) form a rotary structure, the outer wall of the rotary table (17) is arranged into a worm wheel shape, and the rotary table (17) is connected with the second screw rod (20) in a meshed mode.
3. An angle adjusting apparatus for an electric hammer drill tool according to claim 1, wherein: the fixed rod (23) and the rotary table (17) form a relative telescopic structure, the outer wall of the fixed rod (23) is provided with a saw-tooth structure, the fixed rod (23) is connected with the gear shaft (22) in a meshed mode, and the gear shaft (22) and the rotary table (17) are coaxially arranged.
4. An angle adjusting apparatus for an electric hammer drill tool according to claim 1, wherein: the fixing rod (23) is of an L-shaped structure, and the side of the fixing rod (23) and the inner wall of the moving hole (18) form a clamping sliding installation structure.
5. An angle adjusting apparatus for an electric hammer drill tool according to claim 1, wherein: the fixing heads (27) are symmetrically arranged about the central axis of the limiting belt (26), and the fixing heads (27) are of an L-shaped structure with zigzag end parts.
6. An angle adjusting apparatus for an electric hammer drill tool according to claim 1, wherein: the fixing head (27) and the positioning head (29) form a clamping disassembly and assembly structure through the tooth blocks (30), and the connection part of the end parts of the fixing head (27) and the limiting belt (26) is concave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363942.9A CN109968294B (en) | 2019-04-30 | 2019-04-30 | Angle adjusting device for electric hammer drill tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363942.9A CN109968294B (en) | 2019-04-30 | 2019-04-30 | Angle adjusting device for electric hammer drill tool |
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| Publication Number | Publication Date |
|---|---|
| CN109968294A CN109968294A (en) | 2019-07-05 |
| CN109968294B true CN109968294B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910363942.9A Active CN109968294B (en) | 2019-04-30 | 2019-04-30 | Angle adjusting device for electric hammer drill tool |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06182677A (en) * | 1992-12-21 | 1994-07-05 | Supiide Fastener Kk | Ceiling driller |
| JP2899265B1 (en) * | 1997-11-25 | 1999-06-02 | 冨士重機株式会社 | Hydraulic breaker |
| WO2014205542A1 (en) * | 2013-06-27 | 2014-12-31 | 4361164 Canada Inc. | Hand-held ergonomic jackhammer holder for concrete floor chipping, jackhammer and holder assembly, and method of use thereof |
| JP2017074656A (en) * | 2015-10-16 | 2017-04-20 | 五洋建設株式会社 | Movable crusher |
| CN206578777U (en) * | 2017-02-21 | 2017-10-24 | 陈晶晶 | One kind building punching electric hammer support |
| SE1751089A1 (en) * | 2017-09-08 | 2019-03-09 | Epiroc Rock Drills Ab | Mining or construction vehicle |
| CN210025179U (en) * | 2019-04-30 | 2020-02-07 | 中建安装集团有限公司 | Angle adjusting device about electric hammer drilling tool |
-
2019
- 2019-04-30 CN CN201910363942.9A patent/CN109968294B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06182677A (en) * | 1992-12-21 | 1994-07-05 | Supiide Fastener Kk | Ceiling driller |
| JP2899265B1 (en) * | 1997-11-25 | 1999-06-02 | 冨士重機株式会社 | Hydraulic breaker |
| WO2014205542A1 (en) * | 2013-06-27 | 2014-12-31 | 4361164 Canada Inc. | Hand-held ergonomic jackhammer holder for concrete floor chipping, jackhammer and holder assembly, and method of use thereof |
| JP2017074656A (en) * | 2015-10-16 | 2017-04-20 | 五洋建設株式会社 | Movable crusher |
| CN206578777U (en) * | 2017-02-21 | 2017-10-24 | 陈晶晶 | One kind building punching electric hammer support |
| SE1751089A1 (en) * | 2017-09-08 | 2019-03-09 | Epiroc Rock Drills Ab | Mining or construction vehicle |
| CN210025179U (en) * | 2019-04-30 | 2020-02-07 | 中建安装集团有限公司 | Angle adjusting device about electric hammer drilling tool |
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| Publication number | Publication date |
|---|---|
| CN109968294A (en) | 2019-07-05 |
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