CN201073762Y - Electric hammer and electric shovel dual function machine having safety clutch apparatus - Google Patents
Electric hammer and electric shovel dual function machine having safety clutch apparatus Download PDFInfo
- Publication number
- CN201073762Y CN201073762Y CNU200720156081XU CN200720156081U CN201073762Y CN 201073762 Y CN201073762 Y CN 201073762Y CN U200720156081X U CNU200720156081X U CN U200720156081XU CN 200720156081 U CN200720156081 U CN 200720156081U CN 201073762 Y CN201073762 Y CN 201073762Y
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- big cover
- electric hammer
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Abstract
The utility model relates to an electric hammer and electric chisel dual-purpose machine with a safety clutch, comprising a cylinder, a gear reducer, a motor, a separate device, a gouge execution device and the safety clutch. The utility model is characterized in that the safety clutch comprises a snap spring, a washer, a pressure spring, a release sleeve, a large sleeve and a large bevel gear connected with the motor; the members are orderly sleeved on the cylinder from left to right; an inner wall of the release sleeve is slidingly connected with the cylinder via a flat key; a projection at the right end is meshed with a groove inside a disengaging pawl on the right side of the large sleeve; the right end of the large sleeve is meshed with the large bevel gear; the safety clutch is arranged in the gear reducer. The utility model has the advantages that the release sleeve is separated from the large sleeve under huge counterforce, thereby reducing the maximum torque force transmitted to operators in case of a sudden overload of drill bits, ensuring safety of operators, particularly the personnel of overhead operation, and preventing falling of personnel under huge counterforce or injury to other personnel caused by falling of the electric hammer.
Description
Technical field
The utility model relates to a kind of electric hammer and dual-purpose machine of power shovel with safe arrangement of clutch.
Background technology
Electric hammer is widely used in the usefulness of holing on the fragile materials such as brick, stone, concrete, when these material internals have hole, when in the concrete reinforcing bar being arranged, in boring procedure, drill bit is met these hard things, is easy to be stuck, and at this moment drill bit is produced huge reaction force, this huge reaction force holds the operator to can't stand, the operator is easily sprained.If in work high above the ground, be easy to cause the falling accident of personnel and electric hammer, existing clutch configuration is too simple, and the work effect is very undesirable.
The utility model content
Technical problem to be solved in the utility model provides the acrotorque reaction that a kind of reduction passes to the operator, guarantees the electric hammer with safe arrangement of clutch and the dual-purpose machine of power shovel of operator's safety.
In order to address the above problem, the utility model is taked following technical scheme:
A kind of electric hammer and dual-purpose machine of power shovel with safe arrangement of clutch, comprise cylinder, gear reduction box, motor, separator and cutter hit actuating unit, also comprise safe arrangement of clutch, described safe arrangement of clutch comprises jump ring, packing ring, compression spring, separation sleeve, big cover and the large bevel gear that is connected with motor, above-mentioned parts are set on the described cylinder from left to right successively, separation sleeve inwall and cylinder are slidingly connected by flat key, right-hand member protuberance and the inner engagement of big cover disengaging pawl, the right-hand member of big cover and large bevel gear engagement, described safe arrangement of clutch is arranged in the gear reduction box.
Described jump ring, compression spring and separation sleeve are arranged on the inside of body.
The projection that is provided with slope or arc shape of the described circumferential segmentation in separation sleeve end face upper edge, the described correspondence that puts greatly is provided with groove, the concavo-convex joint portion engagement that separation sleeve and big cover form by described projection and groove.
Described cylinder is provided with the flat key of projection, and described separation sleeve is provided with keyway, and described flat key is plugged in the described keyway.
Described separator includes the clutch separator, and the upper surface of gear reduction box is provided with circular hole, and clutch separator bottom-hinged has disengaging pawl, and described disengaging pawl is inserted in the gear reduction box by above-mentioned circular hole;
The right side of the body of above-mentioned big cover is provided with stopping step, and step is provided with the arc locking groove, and the big cover of its distance low order end has certain length, and above-mentioned disengaging pawl is hung on its top, and big cover left side is provided with thrust spring on the cylinder.
Described cutter hits actuating unit and comprises the one-level gear, eccentric shaft, connecting rod, piston, impact are hammered into shape again and are impacted son, the one-level gear connects motor, described gear reduction box upper surface also is provided with second circular hole, eccentric shaft is plugged in the gear reduction box by second circular hole, the one-level gear is equipped with in the lower end, the described connecting rod of the axially vertical connection of little axle of upper end, the connecting rod other end connects piston, the piston other end connects above-mentioned impact successively to be hammered into shape again and impacts son, described piston, impacts multiple hammer and impacts son and be arranged in the cylinder.
The beneficial effects of the utility model are: a kind of electric hammer and dual-purpose machine of power shovel with safe arrangement of clutch, comprise cylinder, gear reduction box, motor, separator and cutter hit actuating unit, also comprise safe arrangement of clutch, described safe arrangement of clutch comprises jump ring, packing ring, compression spring, separation sleeve, big cover and the large bevel gear that is connected with motor, above-mentioned parts are set on the described cylinder from left to right successively, separation sleeve inwall and cylinder are slidingly connected by flat key, right-hand member protuberance and the engagement of big cover disengaging pawl inner groovy, the right-hand member of big cover and large bevel gear engagement, described safe arrangement of clutch is arranged in the gear reduction box.When drill bit is subjected to huge reaction force, separation sleeve is separated with big cover, reduce drill bit and transshipped transfer operation person's acrotorque reaction suddenly, guaranteed operator's safety, especially for the personnel of work high above the ground, the personnel that prevented especially cause after being subjected to huge reaction force and fall or the Falling Injury and other people member of electric hammer.
Description of drawings
Fig. 1 the utlity model has the electric hammer of safe arrangement of clutch and the structural representation of the dual-purpose machine of power shovel;
Fig. 2 is the structural representation of separation sleeve in the utility model, big cover, large bevel gear and clutch separator.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
See figures.1.and.2, a kind of electric hammer and dual-purpose machine of power shovel with safe arrangement of clutch, comprise cylinder 100, gear reduction box 101 and safe arrangement of clutch, described safe arrangement of clutch comprises jump ring 200, packing ring 203C, compression spring 201, separation sleeve 202, overlaps 203 and large bevel gear 204 greatly, and the building block of above-mentioned safe clutch is set on the described cylinder 100 from left to right successively.Above-mentioned Fig. 2 only is for the description architecture relation, therefore only shows the situation that all has a groove on big cover 203 and the large bevel gear 204.Described jump ring 200, packing ring 203C, compression spring 201, separation sleeve 202 all is set in big cover 203 bodies, the chain shell type of this kind has been saved the space greatly, reduced the volume of device, separation sleeve 202 inwalls are provided with keyway, the cylinder corresponding position is provided with bossed flat key 100a, and separation sleeve 202 and cylinder 100 are slidingly connected by flat key 100a and key.The fixed form that flat key is entrenched in the keyway 202b has fully been saved the space, has reduced volume relatively.
The circumferential segmentation in upper edge, separation sleeve 202 right side is provided with the protruding 202a of slope or arc shape, correspondence is provided with groove 203b on the big cover 203 interior right side walls, described protruding 202a and groove 203b form a concavo-convex joint portion and are meshing with each other, described jump ring 200 makes compression spring 201 be in compressive state, extruding separation sleeve 202 and big cover 203 tight engagement, in order to avoid separation sleeve 202 is separated with big cover 203, the revolving force that guarantees large bevel gear 204 passes to big cover 203 and cylinder 100, thereby makes the drill bit rotation.Certainly, the groove of above-mentioned big cover also can be arranged on the end face on big cover 203 left sides, and separation sleeve 202 forms concavo-convex joint portion with the end face of big cover 203, can realize above-mentioned functions equally.Above-mentioned safe arrangement of clutch all is arranged in the gear reduction box 101 by the circular hole on gear reduction box 101 sidewalls.Circumferential segmentation is provided with the protruding 203a of slope or arc shape on the right side of big cover 203, and large bevel gear circumferentially is provided with groove 204a on 204 left sides, and protruding 203a and groove 204a combination make big cover 203 be meshing with each other with large bevel gear 204.
The left side of big cover 203 interior jump rings 200 is provided with thrust spring 205 on the cylinder 100, thrust spring 205 also is in compressive state, big cover 203 is meshed together with large bevel gear 204, the revolving force output that guarantees motor can pass to big cover 203 by large bevel gear 204, make when being in the electric hammer duty large bevel gear and the rotation simultaneously of big cover.
The lower surface of gear reduction box 101 is provided with two circular holes, in gear reduction box 101, plug into two axles by circular hole, one eccentric shaft is equipped with one-level gear 300, another axle is a cone pinion 302, secondary gear 301 is pressed on 302, wherein secondary gear 301 meshes with one-level gear 300, cone pinion 302 connects above-mentioned large bevel gear 204, one-level gear 300 connects motor, during the motor rotation, and 300 rotations of one-level gear, drive secondary gear 301 rotations and cone pinion 302 rotations with its engagement, drive large bevel gear 204 rotations, large bevel gear 204 rotations drive big cover 203 rotations, thereby satisfy the output of the revolving force of above-mentioned drill bit.
The utility model also includes separator and cutter hits actuating unit.The structure of separator is as follows: above-mentioned big cover 203,206 forms step from body certain length that axially stretches out, and the step peripheral surface is provided with axial arc locking groove 207.Described separator includes clutch separator 400, and described clutch separator 400 certainly, is not got rid of other shape, as taper, the square bodily form etc. for the middle cylinder that a circle projection is arranged.The bottom-hinged of clutch separator 400 has a little disengaging pawl 401.Be equipped with circular hole on the surface of gear reduction box 101, the inwall of circular hole is provided with step, and the peripheral raised edge of clutch separator is provided with screw thread, and two screw threads mate mutually, closely fastens.When being in the electric hammer duty, disengaging pawl 401 just drops into above-mentioned big cover 203,206 tops, the right side of body, and this moment, this disengaging pawl 401 was in vacant state, overlapped 203 greatly and still was in engagement, common rotation with large bevel gear 204.When working as power shovel, to stir disengaging pawl 401 and make it to be positioned at locking groove 207, the big cover 203 in top is drawn back, and big cover 203 is separated with large bevel gear 204, overlaps 203 greatly and no longer rotates.With reference to Fig. 2, certainly, above-mentioned large bevel gear also can be designed as and comprises end face that external diameter is less and than the body of end face external diameter, make disengaging pawl be hung on the top of this large bevel gear.Or the end face of the end face of big cover and large bevel gear is involutory, and disengaging pawl is suspended at its top.Certainly, also can be designed as the integral body that external diameter equates on the described large bevel gear.
Described cutter hits actuating unit to be comprised above-mentioned one-level gear 300, eccentric shaft 500, connecting rod 501, piston 502, impacts and hammer 503 and impact son 504 again into shape, and the upper surface of described gear reduction box 101 is provided with second circular hole.The main shaft of eccentric shaft 500 is inserted into assembling one-level gear 300 in the gear reduction box by this second circular hole, and one-level gear 300 is fixedlyed connected with the keyway (not shown) on the eccentric shaft 500 by the square key (not shown) on it.Be arranged with bearing 505 on this little axle above eccentric shaft 500, above-mentioned connecting rod 501 1 ends are set on the bearing 505, this moment, described connecting rod 501 was vertical with described eccentric shaft 500, the other end connects piston 502, the other end of piston connects above-mentioned impact and hammers 503 again into shape, impact and hammer 503 connection impact 504 again into shape, described impact 504 is located in the cylinder pivoted housing 506, the keyway (not shown) that the right side is provided with strip is gone up on its surface, correspondence position is provided with the circular hole (not shown) on the cylinder pivoted housing 506, dress steel ball (not shown) in the hole, steel ball can roll in keyway, make impact son 504 can with the cylinder pivoted housing in do axial relative motion.The cylinder pivoted housing is set in the cylinder, the left end of cylinder pivoted housing is provided with the keyway of strip, and the left side correspondence of casing surface is provided with the circle hole groove of relative shape, dress steel ball in the hole, can in described keyway, roll relatively, make the cylinder pivoted housing do axial relative motion with cylinder.
The above-mentioned part that safe arrangement of clutch is housed on the cylinder of having narrated is arranged in the gear reduction box, the part that the cylinder left side is exposed to the gear reduction box outside is arranged with bundle head nut 600 from right to left successively, bearing 601, packing ring 602, oil sealing 603, spring 604, steel bushing 605, cylinder is provided with the step of establishing bearing 601 in order to card, is used for above-mentioned bearing 601 is fastened on the left side of cylinder step.Above-mentioned bearing 601 just is set on said cylinder 100 left sides and the circular hole that cylinder pivoted housing 506 is connected, prevents that steel ball from ejecting.Said cylinder 100, spring 604 and cylinder pivoted housing 506 all are contained in cylinder case 609 the insides, sliding sleeve 606 is equipped with in the cylinder case 609 left ends outside, above-mentioned steel bushing 605 fastens with the inner tight of sliding sleeve 606, the one end coupling of sliding sleeve 606 is connected with little protecgulum 607, and little protecgulum 607 connects the drill bit (not shown).
Assembling middle cover 608 on said gear reduction box 101 bottoms, two axles of one-level gear 300 and secondary gear 301 all are contained in the gear reduction box.
Introduce operation principle of the present utility model below.
Driven by motor one-level gear rotates, and the one-level gear drives big cover rotation by secondary gear and cone pinion, and big cover drives the separation sleeve rotation, rotates thereby drive cylinder, drives the drill bit rotation.Above-mentioned one-level gear rotation, thereby drive above-mentioned eccentric shaft rotation, the revolving force of eccentric shaft is converted into the axially-movable of piston by connecting rod, piston drives to impact hammers axially-movable again into shape, impact is also done axial hammering campaign, the cylinder pivoted housing is axially being done relative slip by keyway with cylinder simultaneously thereby drive, alleviate reaction force because of the axial hammering of impacting son to the reaction force of the person and machine, the people is felt comfortably cool, can be used as electric hammer and use this moment.If drill bit is met these hard things in boring procedure, be easy to be stuck, at this moment can produce huge reaction force by countercylinder to drill bit, this reaction force acts is delivered to separation sleeve in cylinder, separation sleeve is subjected to huge reaction force, this active force acts on big cover, overlap greatly and separation sleeve is passed in anti-pass, act on compression spring, this moment, separation sleeve was stressed with the concavo-convex joint portion of big cover, the pressure that separation sleeve overcomes compression spring retreats, separate continuously with big cover, above-mentioned safe arrangement of clutch has reduced drill bit and has transshipped transfer operation person's acrotorque reaction suddenly, has guaranteed operator's safety, especially for the personnel of work high above the ground, the personnel that prevented especially cause the Falling Injury and other people member of electric hammer after being subjected to huge reaction force.
If desired as the power shovel practicality, can start above-mentioned separator, large bevel gear, big cover are separated, at this moment, play no longer rotation of cover, only do axial hammering campaign, use as power shovel.
Because said structure makes the utility model can make power shovel and the dual-purpose machine of electric hammer, is convenient to the multiple needs of people's work progress.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. electric hammer and dual-purpose machine of power shovel with safe arrangement of clutch, comprise cylinder, gear reduction box, motor, separator and cutter hit actuating unit, it is characterized in that, also comprise safe arrangement of clutch, described safe arrangement of clutch comprises jump ring, packing ring, compression spring, separation sleeve, big cover and the large bevel gear that is connected with motor, above-mentioned parts are set on the described cylinder from left to right successively, separation sleeve inwall and cylinder are slidingly connected by flat key, right-hand member protuberance and the engagement of big cover disengaging pawl inner groovy, the right-hand member of big cover and large bevel gear engagement, described safe arrangement of clutch is arranged in the gear reduction box.
2. electric hammer and the dual-purpose machine of power shovel with safe arrangement of clutch according to claim 1 is characterized in that described jump ring, packing ring, compression spring and separation sleeve are arranged on the inside of body.
3. electric hammer and the dual-purpose machine of power shovel with safe arrangement of clutch according to claim 1 and 2, it is characterized in that, the projection that is provided with slope or arc shape of the described circumferential segmentation in separation sleeve end face upper edge, the described correspondence that puts greatly is provided with groove, the concavo-convex joint portion engagement that separation sleeve and big cover form by described projection and groove.
4. electric hammer and the dual-purpose machine of power shovel with safe arrangement of clutch according to claim 3 is characterized in that described cylinder is provided with the flat key of projection, and described separation sleeve is provided with the keyway bigger than flat key, and described flat key is plugged in the described keyway.
5. electric hammer and the dual-purpose machine of power shovel with safe arrangement of clutch according to claim 1, it is characterized in that, described separator includes the clutch separator, the upper surface of gear reduction box is provided with circular hole, clutch separator bottom-hinged has disengaging pawl, and described disengaging pawl is inserted in the gear reduction box by above-mentioned circular hole;
The right side of the body of above-mentioned big cover is provided with stopping step, and step is provided with the arc locking groove, and the big cover of its distance low order end has certain length, and above-mentioned disengaging pawl is hung on its top, and big cover left side is provided with thrust spring on the cylinder.
6. electric hammer and the dual-purpose machine of power shovel with safe arrangement of clutch according to claim 1, it is characterized in that, described cutter hits actuating unit and comprises the one-level gear, eccentric shaft, connecting rod, piston, impact multiple hammer and impact son, the one-level gear connects motor, described gear reduction box upper surface also is provided with second circular hole, eccentric shaft is plugged in the gear reduction box by second circular hole, the one-level gear is equipped with in the lower end, the described connecting rod of the axially vertical connection of little axle of upper end, the connecting rod other end connects piston, and the piston other end connects above-mentioned impact successively and hammers into shape again and impact son, described piston, impact multiple hammer and impact son and be arranged in the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720156081XU CN201073762Y (en) | 2007-08-10 | 2007-08-10 | Electric hammer and electric shovel dual function machine having safety clutch apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720156081XU CN201073762Y (en) | 2007-08-10 | 2007-08-10 | Electric hammer and electric shovel dual function machine having safety clutch apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201073762Y true CN201073762Y (en) | 2008-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720156081XU Expired - Fee Related CN201073762Y (en) | 2007-08-10 | 2007-08-10 | Electric hammer and electric shovel dual function machine having safety clutch apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201073762Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047311A (en) * | 2012-12-31 | 2013-04-17 | 浙江凯泽路亚绣花机有限责任公司 | Nose engaging and disengaging mechanism for embroidery machinery |
| CN103769854A (en) * | 2014-01-24 | 2014-05-07 | 江苏恒丰电动工具有限公司 | Method for mounting multifunctional electric hammer |
| CN106041832A (en) * | 2016-08-11 | 2016-10-26 | 孙银华 | Improved dual-purpose electric hammer free of adjusting twist |
| CN112571528A (en) * | 2020-10-27 | 2021-03-30 | 孙刚 | Can reduce padauk door of installation location degree of difficulty |
-
2007
- 2007-08-10 CN CNU200720156081XU patent/CN201073762Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047311A (en) * | 2012-12-31 | 2013-04-17 | 浙江凯泽路亚绣花机有限责任公司 | Nose engaging and disengaging mechanism for embroidery machinery |
| CN103769854A (en) * | 2014-01-24 | 2014-05-07 | 江苏恒丰电动工具有限公司 | Method for mounting multifunctional electric hammer |
| CN103769854B (en) * | 2014-01-24 | 2017-02-01 | 江苏恒丰电动工具有限公司 | Method for mounting multifunctional electric hammer |
| CN106041832A (en) * | 2016-08-11 | 2016-10-26 | 孙银华 | Improved dual-purpose electric hammer free of adjusting twist |
| CN112571528A (en) * | 2020-10-27 | 2021-03-30 | 孙刚 | Can reduce padauk door of installation location degree of difficulty |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080618 Termination date: 20090910 |