CN105583785A - Hand-free electric hammer - Google Patents
Hand-free electric hammer Download PDFInfo
- Publication number
- CN105583785A CN105583785A CN201510078143.9A CN201510078143A CN105583785A CN 105583785 A CN105583785 A CN 105583785A CN 201510078143 A CN201510078143 A CN 201510078143A CN 105583785 A CN105583785 A CN 105583785A
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- Prior art keywords
- electric hammer
- exhaust tube
- bracket
- sucker
- cover
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- 229910000831 Steel Inorganic materials 0.000 description 2
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- 239000010959 steel Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
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- 238000009435 building construction Methods 0.000 description 1
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- 230000008878 coupling Effects 0.000 description 1
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- 229910052740 iodine Inorganic materials 0.000 description 1
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- Percussive Tools And Related Accessories (AREA)
Abstract
The invention discloses a hand-free electric hammer. The hand-free electric hammer comprises an electric hammer body, an electric hammer bracket, a hard exhaust pipe, a sucker, a pressing cover and an electric hammer top spring; the exhaust pipe is fixedly connected with the electric hammer bracket; the sucker and the pressing cover are connected to the same end of the exhaust pipe; the pressing cover is a half-opened structure, and covers the sucker; the electric hammer body is slidingly connected to the exhaust pipe; an exhaust device is arranged in the exhaust pipe; and the electric hammer top spring is arranged between the tail end of the electric hammer body and the electric hammer bracket. The electric hammer can be absorbed and suspended on a ceiling through such structures as the exhaust pipe, the sucker and the pressing cover; and when the electric hammer is used for constructing the ceiling, operators have no need to hold the electric hammer with strength, so that the labor intensity in electric hammer construction is largely reduced, and the electric hammer construction efficiency and safety are improved.
Description
Technical field
The present invention relates to a kind of construction electric instrument, more particularly, it relates to one and exempts from hand held electric hammer.
Background technology
Electric hammer has another name called electric impact drill, is a kind of conventional equipment in the realm of building construction, and its working method is shock, rotating photo combination, makes drill bit progress into body of wall or ground, by material fragmentations such as brick, stone, cement. In the electric hammer course of work, vibrations greatly, operator's long-time operation electric hammer can produce the sense of discomfort that arm is numb, ache, serious even can damage muscles and bones, especially, in the time vertically upward ceiling being carried out to operation with electric hammer, operator not only will bear strong vibrations, also to bear the compressing of electric hammer weight, thereby physical demands is very big, operation lastingly at all, this will have a strong impact on efficiency of construction. Publication number is that the patent of invention of CN101954633A discloses a kind of lifting electric hammer on January 26th, 2011, belongs to field of power tools, and this lifting electric hammer is mainly made up of electric hammer head, electric hammer, tooth bar, rocking arm, gear, tooth bar cover for seat, base. Electric hammer is fixedly mounted on the top of tooth bar, and rack and pinion forms rack and pinion drive mechanism, is arranged in tooth bar cover for seat, and rocking arm is fixedly connected with gear, and base is fixedly connected with tooth bar cover for seat. Elected reserving after punch position, is fixed on corresponding position by base, and shake rocking arm rotates gear, thereby makes tooth bar in tooth bar cover for seat, do upper and lower motion, drives that electric hammer is also corresponding does upper and lower motion. Lifting electric hammer of the present invention, simple to operate, alleviate operator's burden, save time and laborsaving. But while using this lifting electric hammer, need to use sufficiently high supporter to support electric hammer, therefore more to the requirement of construction corollary apparatus, otherwise tooth bar will be processed into very long could construction to ceiling, can increase so again manufacture difficulty of the present invention.
Summary of the invention
While using common electric hammer to construct to ceiling, operating difficulties, labour intensity is large, and operating efficiency is low, for overcoming this defect, the invention provides one and can greatly reduce labour intensity, improves operating efficiency, is especially suitable for the hand held electric hammer of exempting to ceiling operation.
Technical scheme of the present invention is: one is exempted from hand held electric hammer, comprise exhaust tube, sucker, compression cover and the electric hammer top spring of electric hammer body, electric hammer bracket, hard, exhaust tube and electric hammer bracket are connected, sucker and compression cover are connected in same one end of exhaust tube, compress cover for semi-open structure and cover on outside sucker, electric hammer body is slidably connected on exhaust tube, is provided with air extractor in exhaust tube, and electric hammer top spring is located between electric hammer body tail end and electric hammer bracket. when use, by sucker paster on ceiling, bleed with air extractor, make sucker produce absorption affinity, sucker shrinks, drive exhaust tube, compress cover, electric hammer bracket and even electric hammer body are close to ceiling, compressing cover touches ceiling and produces frictional force, rate of air sucked in required is larger, force of suction cup and deflection are larger, frictional force between compression cover and ceiling is also larger, force of suction cup and compress the frictional force that provides of cover enough greatly time, electric hammer bracket and electric hammer body can be held by exhaust tube, with balancing gravity, the frictional force that compressing cover provides can prevent that electric hammer body is shifted, therefore electric hammer body can be stably suspended in the air, the deeply main screw action by drill bit of electric hammer drill in ceiling, but must there is certain thrust that drill bit and ceiling are kept in touch, electric hammer top spring can provide such active force, drill bit is contacted with ceiling.
As preferably, described air extractor comprises piston, pitch brace and locking nut, piston is slidably connected in exhaust tube, and coordinate with exhaust tube bore seal, pitch brace is arranged in exhaust tube, pitch brace one end and piston are connected, and the other end is exposed at outside exhaust tube, and locking nut is threaded on one end that pitch brace exposes. Air extractor is set and can produces the force of suction cup of satisfying the demand. Sucker is adjacent to after ceiling, ceiling, sucker, piston and exhaust tube can form closed cavity, when pitch brace is pulled outwardly, piston outwards moves, the volume of closed housing expands, and interior pressure declines, the inside and outside pressure reduction that forms of exhaust tube, in the time that pressure reduction is enough large, can conduct oneself with dignity with exhaust tube, the pressure of electric hammer body and the holding power of ceiling form balance. Piston is pulled outwardly down after appropriate level, and adjusting lock nut position makes it push against the exhaust tube mouth of pipe, hinders piston reset, thereby makes sucker maintain suction.
As preferably, electric hammer body tail end is installed with a decoupling rod, decoupling rod runs through electric hammer top spring and is slidably connected with electric hammer bracket, decoupling rod free end is provided with grinding tooth, electric hammer carriage turns is connected with damper gear, the wheel shaft of damper gear is provided with damping torsion spring, and damper gear engages with decoupling rod free end. Damper gear and decoupling rod form a damping unit, can cushion shock-absorbing to operating electric hammer body, avoid the vibrations of overfrequency to cause the fixation of sucker and compression cover influenced, the stability while guaranteeing boring of electric hammer and accuracy.
As preferably, the nearly electric hammer body end of electric hammer bracket is provided with backplate, and backplate is provided with chute, between backplate and electric hammer body, is connected by the bolt through chute. After bolt unclamps, electric hammer body can change and the relative position of electric hammer bracket along chute direction, and then regulates the compression degree to electric hammer top spring, obtains suitable electric hammer pressure on top surface, guarantees that electric hammer works smoothly.
As preferably, on exhaust tube, slidably connect and the sliding sleeve of exhaust tube adaptation, sliding sleeve and electric hammer body are connected. By coordinating of sliding sleeve and exhaust tube, electric hammer body can be realized and being connected of exhaust tube comparatively easily.
As preferably, compress the opening port covering and be provided with the radially lip shape plate of extension. Lip shape plate is set and can increases the contact area that compresses cover and ceiling, both can strengthen the effect stability compressing between cover and ceiling, can avoid again, because contact area volume is too little, ceiling is caused to unnecessary damage.
As preferably, lip shape plate surface is provided with friction enhanced structure. Can under same equal pressure, increase by friction enhanced structure is set the frictional force compressing between cover and ceiling, be more conducive to improve compress and cover crystallized ability, guarantee to be difficult for being offset when iodine is hammered this body running into shape.
The invention has the beneficial effects as follows:
Reduce the labour intensity of electric hammer construction. The present invention can be suspended in electric hammer absorption on ceiling by structures such as exhaust tube, sucker and compression covers, and in the time using electric hammer to ceiling construction operation, operating personnel, without the electric hammer of controlling of effort, therefore greatly reduce the labour intensity of electric hammer construction.
Improve electric hammer efficiency of construction. The present invention is owing to can greatly reducing operating personnel's physical demands, so long-time constructing operation becomes possibility, thereby can improve electric hammer efficiency of construction.
Improve electric hammer working security. Use the present invention while constructing without long-time hand held electric hammer, thereby can avoid the impact endurance test shock that electric hammer brings, operate safer.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention.
In figure, 1-electric hammer body, 2-electric hammer bracket, 3-exhaust tube, 4-sucker, 5-compresses cover, 6-electric hammer top spring, 7-piston, 8-pitch brace, 9-decoupling rod, 10-damper gear, 11-backplate, 12-lip shape plate, 13-sliding sleeve, 14-locking nut, 15-positive stop lug boss, 16-travel switch.
Detailed description of the invention
Below in conjunction with accompanying drawing specific embodiment, the invention will be further described.
Embodiment 1:
As shown in Figure 1, one is exempted from hand held electric hammer, comprise an electric hammer body 1, one electric hammer bracket 2, the exhaust tube 3 that one steel pipe is made, one sucker 4, one compresses cover 5 and an electric hammer top spring 6, exhaust tube 3 is fixedly connected with electric hammer bracket 2, sucker 4 and compression cover 5 are connected in the same top of exhaust tube 3, sucker 4 use silicon rubber are made, compressing cover 5 is made of a steel, compressing cover 5 is funnelform semi-open structure, large end is open, small end is connected on exhaust tube 3, the opening port that compresses cover 5 is provided with the radially lip shape plate 12 of extension, on lip shape plate 12, be provided with friction enhanced structure with the unidirectional surface of opening port that compresses cover 5, friction enhanced structure in the present embodiment is rubber blanket. compress cover 5 and cover on outside sucker 4, under nature, sucker 4 ports exceed compression cover 5 ports. on exhaust tube 3, slidably connect sliding sleeve 13, sliding sleeve 13 is connected by be rigidly connected support and electric hammer body 1, and electric hammer body 1 is slidably connected on exhaust tube 3 like this. exhaust tube 3 middle and upper parts are removably arranged with a positive stop lug boss 15, positive stop lug boss 15 bottoms are provided with one stroke switch 16, positive stop lug boss 15 can change position, be used for limiting drilling depth, in the time that 1 boring of electric hammer body reaches set depth, sliding sleeve 13 presses the trip switch 16, and electric hammer complete machine, with regard to power-off, quits work. in exhaust tube 3, be provided with air extractor, electric hammer top spring 6 is located between electric hammer body 1 tail end and electric hammer bracket 2. described air extractor comprises piston 7, pitch brace 8 and locking nut 14, piston 7 is slidably connected in exhaust tube 3, and coordinate with exhaust tube 3 bore seal, pitch brace 8 is arranged in exhaust tube 3, pitch brace 8 tops and piston 7 are connected, pitch brace 8 bottoms are exposed at outside exhaust tube 3 bottom ports, and pitch brace 8 terminations, bottom are provided with T-handle, are convenient to pull operation. locking nut 14 is threaded on one end that pitch brace 8 exposes, and locking nut 14 external diameters are greater than exhaust tube 3 internal diameters. the electric hammer body 1 tail end decoupling rod 9 that has been threaded, electric hammer bracket 2 be provided with one with the slide opening of decoupling rod 9 size adaptations, decoupling rod 9 runs through electric hammer top spring 6 and slide opening, thereby be slidably connected with electric hammer bracket 2, decoupling rod 9 free ends are processed into flat pattern and grinding tooth are set, and form one section of tooth bar, and electric hammer bracket 2 is rotatably connected to damper gear 10, the wheel shaft of damper gear is provided with damping torsion spring, and the tooth of damper gear 10 engages with decoupling rod 9 free end grinding tooth couplings. nearly electric hammer body 1 end of electric hammer bracket 2 is provided with backplate 11, and backplate 11 is provided with chute, and chute is parallel with the drilling rod of electric hammer body 1, between backplate 11 and electric hammer body 1, is connected by the bolt through chute.
Use is originally exempted from hand held electric hammer and can greatly be reduced difficulty and the labour intensity to ceiling construction, when use, the whole hand held electric hammer of exempting from is erected, sucker 4 upward, the drill bit of electric hammer is aimed at construction location, sucker 4 openings are fitted tightly on ceiling, pull fast pitch brace 8, make sucker 4 produce absorption affinity, sucker 4 shrinks, drive exhaust tube 3, compress cover 5, electric hammer bracket 2 and even electric hammer body 1 are close to ceiling, compressing cover 5 touches ceiling and produces frictional force, force of suction cup and compress cover 5 frictional force that provide enough greatly time, electric hammer bracket 2 and electric hammer body 1 can be held by exhaust tube 3, with balancing gravity, cover 5 frictional force that provide are provided and can prevent that electric hammer body 1 is shifted, therefore electric hammer body 1 can be stably suspended in the air, electric hammer top spring 6 provides pressure on top surface, the drill bit of electric hammer body 1 can be contacted with ceiling, and rely on drill bit screw action to go deep into ceiling, if electric hammer top spring 6 pressure on top surfaces are inadequate, can not guarantee has enough pressure between drill bit and ceiling, can unclamp electric hammer body 1 is fixed on to the bolt on backplate 11, mobile electric hammer body 1, electric hammer body 1 and electric hammer bracket 2 are drawn closer together, strengthen the compression degree of electric hammer top spring 6, the pressure on top surface of electric hammer top spring 6 can improve like this. in whole operating process, operating personnel are without firmly holding electric hammer and withstanding ceiling, can after location completes, let go to allow electric hammer automatic operation, or only with hand slightly holding up with more protection.
Embodiment 2:
Sucker 4 and compression cover 5 are respectively two, exhaust tube 3 tops are provided with a tube connector, tube connector is vertical with exhaust tube 3 to be connected, exhaust tube 3 is connected with tube connector, an interface is respectively established at tube connector two ends, two suckers 4 are connected on two interfaces, and two suckers 4 are with respect to exhaust tube 3 distributed architecture axisymmetricly. Described friction enhanced structure is carbone compound fabric pad. All the other are with embodiment 1.
Claims (7)
1. exempt from hand held electric hammer for one kind, it is characterized in that comprising electric hammer body (1), electric hammer bracket (2), the exhaust tube (3) of hard, sucker (4), compress cover (5) and electric hammer top spring (6), exhaust tube (3) is connected with electric hammer bracket (2), sucker (4) and compression cover (5) are connected in same one end of exhaust tube (3), compress cover (5) for semi-open structure and cover on outside sucker (4), electric hammer body (1) is slidably connected on exhaust tube (3), exhaust tube is provided with air extractor in (3), electric hammer top spring (6) is located between electric hammer body (1) tail end and electric hammer bracket (2).
2. the hand held electric hammer of exempting from according to claim 1, it is characterized in that described air extractor comprises piston (7), pitch brace (8) and locking nut (14), piston (7) is slidably connected in exhaust tube (3), and coordinate with exhaust tube (3) bore seal, pitch brace (8) is arranged in exhaust tube (3), pitch brace (8) one end and piston (7) are connected, and the other end is exposed at outside exhaust tube (3), and locking nut (14) is threaded on one end that pitch brace (8) exposes.
3. the hand held electric hammer of exempting from according to claim 1, it is characterized in that electric hammer body (1) tail end is installed with a decoupling rod (9), decoupling rod (9) runs through electric hammer top spring (6) and is slidably connected with electric hammer bracket (2), decoupling rod (9) free end is provided with grinding tooth, electric hammer bracket (2) is rotatably connected to damper gear (10), the wheel shaft of damper gear is provided with damping torsion spring, and damper gear (10) engages with decoupling rod (9) free end.
4. the hand held electric hammer of exempting from according to claim 1, is characterized in that nearly electric hammer body (1) end of electric hammer bracket (2) is provided with backplate (11), and backplate (11) is provided with chute, between backplate (11) and electric hammer body (1), is connected by the bolt through chute.
5. the hand held electric hammer of exempting from according to claim 1, is characterized in that slidably connecting on exhaust tube (3) and the sliding sleeve (13) of exhaust tube adaptation, and sliding sleeve (13) is connected with electric hammer body (1).
6. according to the hand held electric hammer of exempting from described in any one in claim 1 to 5, it is characterized in that the opening port that compresses cover (5) is provided with the radially lip shape plate (12) of extension.
7. the hand held electric hammer of exempting from according to claim 6, is characterized in that lip shape plate (12) surface is provided with friction enhanced structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078143.9A CN105583785B (en) | 2015-02-13 | 2015-02-13 | One kind exempts from hand held electric hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078143.9A CN105583785B (en) | 2015-02-13 | 2015-02-13 | One kind exempts from hand held electric hammer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105583785A true CN105583785A (en) | 2016-05-18 |
| CN105583785B CN105583785B (en) | 2017-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510078143.9A Active CN105583785B (en) | 2015-02-13 | 2015-02-13 | One kind exempts from hand held electric hammer |
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| Country | Link |
|---|---|
| CN (1) | CN105583785B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427440A (en) * | 2021-06-03 | 2021-09-24 | 上海市基础工程集团有限公司 | Automatic drilling machine and method for shield tunnel steel ring installation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3608553A1 (en) * | 1986-03-14 | 1987-09-17 | Rolf Link | Device for the accurate, free-hand, horizontal and vertical guidance of electric tools |
| CN2294815Y (en) * | 1997-05-28 | 1998-10-21 | 朱志刚 | Electric drill support |
| CN2533980Y (en) * | 2002-01-29 | 2003-02-05 | 马兴尧 | Combined drill frame for hand electric drill |
| CN201419267Y (en) * | 2009-06-19 | 2010-03-10 | 江苏弘盛建设工程集团有限公司 | Electric-hammer locator |
| CN201711944U (en) * | 2010-07-05 | 2011-01-19 | 黄幼华 | Overhead upturned drilling auxiliary device |
| CN104110119A (en) * | 2014-03-26 | 2014-10-22 | 王浩 | Simple device and mounting method for positioning ceiling suspenders in building construction |
-
2015
- 2015-02-13 CN CN201510078143.9A patent/CN105583785B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3608553A1 (en) * | 1986-03-14 | 1987-09-17 | Rolf Link | Device for the accurate, free-hand, horizontal and vertical guidance of electric tools |
| CN2294815Y (en) * | 1997-05-28 | 1998-10-21 | 朱志刚 | Electric drill support |
| CN2533980Y (en) * | 2002-01-29 | 2003-02-05 | 马兴尧 | Combined drill frame for hand electric drill |
| CN201419267Y (en) * | 2009-06-19 | 2010-03-10 | 江苏弘盛建设工程集团有限公司 | Electric-hammer locator |
| CN201711944U (en) * | 2010-07-05 | 2011-01-19 | 黄幼华 | Overhead upturned drilling auxiliary device |
| CN104110119A (en) * | 2014-03-26 | 2014-10-22 | 王浩 | Simple device and mounting method for positioning ceiling suspenders in building construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427440A (en) * | 2021-06-03 | 2021-09-24 | 上海市基础工程集团有限公司 | Automatic drilling machine and method for shield tunnel steel ring installation |
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| Publication number | Publication date |
|---|---|
| CN105583785B (en) | 2017-07-11 |
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Effective date of registration: 20200722 Address after: Room 501, Office Building of Market Supervision Bureau of Langchuan Avenue, Jianping Town, Langxi County, Xuancheng City, Anhui Province Patentee after: Langxi pinxu Technology Development Co.,Ltd. Address before: 315400 Zhejiang city of Ningbo province Yuyao city Lubu Wuma Industrial Park Chuangyuan Road No. 6 Patentee before: YUYAO LUBU TOWN HONGJIE CARTON PLANT |
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Effective date of registration: 20240919 Address after: Room 802, Unit 2, Building 3, No. 64 Jiangxi Road, Shinan District, Qingdao City, Shandong Province, 266000 Patentee after: Qingdao Shengli Material Technology Co.,Ltd. Country or region after: China Address before: Room 501, office building, Langchuan Avenue, Jianping Town, Langxi County, Xuancheng City, Anhui Province Patentee before: Langxi pinxu Technology Development Co.,Ltd. Country or region before: China |