CN203866682U - Pneumatic breaking pickaxe - Google Patents
Pneumatic breaking pickaxe Download PDFInfo
- Publication number
- CN203866682U CN203866682U CN201420199871.6U CN201420199871U CN203866682U CN 203866682 U CN203866682 U CN 203866682U CN 201420199871 U CN201420199871 U CN 201420199871U CN 203866682 U CN203866682 U CN 203866682U
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- China
- Prior art keywords
- handle
- handle body
- spring
- safety block
- pressure handle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000009434 installation Methods 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 238000013016 damping Methods 0.000 claims description 12
- 210000003141 lower extremity Anatomy 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 210000003437 trachea Anatomy 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000035939 shock Effects 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 210000000515 tooth Anatomy 0.000 description 19
- 239000007789 gas Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Abstract
The utility model discloses a pneumatic breaking pickaxe and relates to a pneumatic tool used for breaking hard objects including concrete, road surfaces and the like. The pneumatic breaking pickaxe mainly comprises a handle body, handles, a pressure handle, a safety block, a pickaxe barrel, a start-stop component, a hammer body, a nager sleeve, a head spring, a pickaxe nager and the like, wherein the safety block is additionally arranged at the middle of the pressure handle; the upper end of the safety block is hinged and connected to the pressure handle, and the lower end of the safety block is suspended and is in contact with a preset safety step propped against the handle body under the action of a torsion spring. Due to the design of the safety structure, during idle, the pressure handle can be locked so as not to be used, as a result, abnormal start-up of the pressure handle, caused by accidental touch, is avoided, potential safety hazards are eliminated, and the operation is safer. Moreover, the handles at the top of the handle body adopt an elastic handle structure pushed by shock absorption springs, which can isolate the handles and the vibrating handle body, effectively buffer the vibration when an operator holds the handles to operate, greatly lower the operator's labor intensity and prolong the working time.
Description
Technical field
The utility model relates to a kind of pneumatic tool for broken concrete, road surface and other hard objects, specifically refers to Pneumatic breaking pickaxe.
Background technology
Pneumatic breaking pickaxe is the pneumatic tool of a kind of pick rod by head with the broken concrete of impact mode, road surface and other hard objects, is usually used in destroying various solid object in the buildings such as civil engineering, speedway, subway.At present, traditional Pneumatic breaking pickaxe structure as shown in figure 10, mainly to be formed by handle 12, handle body 8, pressure handle 17, pick cylinder 3, opening/closing component 9, hammer body 21, drill sleeve 22, head springs 2 and pick rod 1 etc., handle is arranged on handle body top while working for breakup pick for hand steered holding, pressure handle is as the starting element of breakup pick, and it is arranged on convenient operation opening/closing component on handle realizes the work of breakup pick.The Pneumatic breaking pickaxe of above-mentioned this traditional structure exposes many defects in actual use: one, to be arranged on handle be the operation for convenient working personnel to pressure handle, and handle is done support while work for breakup pick simultaneously, therefore, pressure handle is in the time that breakup pick suspends use, tend to be touched unintentionally by operating personnel and cause improper startup work, injure operating personnel and damage breakup pick part, therefore there is great potential safety hazard; Two, breakup pick can exist compared with big bang in the time of work, these vibrations act directly on by handle on operating personnel's arm, once the working time is long, often cause operating personnel's arm numb, tired, thereby increase labour intensity, also made operating personnel's working time cannot affect lastingly operation process.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defect of prior art and a kind of handling safety is provided, slows down vibrations, alleviates operating personnel's labour intensity, effectively extends the Pneumatic breaking pickaxe of activity duration.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of Pneumatic breaking pickaxe, comprise handle body, in this handle body, be provided with the opening/closing component of inlet channel and break-make inlet channel, handle body top is provided with handle, this handle is provided with the pressure handle of operation opening/closing component, handle body bottom is provided with installation cavity, and this installation cavity is connected with inlet channel, is provided with the pick cylinder being connected and fixed in installation cavity; The epicoele and the cavity of resorption that in described pick cylinder, are provided with hammer body and are separated by hammer body; Described pick cylinder afterbody is provided with valve cabinet and valve gap successively, in valve cabinet, is provided with spool, and valve is provided with the air inlet that is communicated with respectively installation cavity and epicoele cashier's office in a shop; In described pick cylinder sidewall, be provided with the return gas channel that is communicated with respectively cavity of resorption and installation cavity, pick cylinder middle part is provided with multiple steam vents, pick cylinder head is provided with the drill sleeve being arranged in head and is connected to the head springs outside head, in this drill sleeve, be provided with the pick rod that is subject to the work of hammer body shock, described pressure handle is provided with upper end and is articulated and connected on pressure handle, the safety block of the unsettled setting in lower end, between this safety block and pressure handle, be provided with and promote the torsion spring that rotate towards handle body safety block lower end, described handle body is provided with the insurance step holding out against for end in contact under described safety block.
Described safety block is " mouth " font, and this safety block is sleeved on outside pressure handle, and is articulated and connected through safety plug with pressure handle middle part, between described safety block both sides and pressure handle, is equipped with torsion spring.
Between described pressure handle and handle, be provided with the back-moving spring of mutual pushing tow, this back-moving spring one end pushing installation is on the set spring block in pressure handle bottom surface, and other end pushing installation is in the set spring groove of handle end face.
Described handle is provided with two, and these two handles are separately positioned on handle body both sides, and the front end of every handle is all articulated and connected on handle body, and unsettled setting is all done in rear end, is also provided with the damping spring of mutual pushing tow between handle and handle body.
The mounting structure of described damping spring between handle and handle body is to be provided with spring stack in handle bottom surface, in handle body, is provided with spring base, and described damping spring two ends difference pushing installation is on spring stack and spring base.
Every described handle is equipped with taper knob outward, and this taper knob external surface is provided with densely covered anti-skidding protruding.
Described handle body top is provided with top cover.
Described handle body bottom end face is provided with lower surface tooth, and the pick cylinder outer circumference surface of adjacent lower end face tooth is provided with external tooth; Described pick cylinder is set with gear ring outward, this gear ring upper surface is provided with the lower surface tooth of described handle body bottom end face and engages equipped upper surface tooth, gear ring inner peripheral surface is provided with the external tooth on described pick cylinder outer circumference surface and engages equipped internal tooth, between handle body bottom and gear ring, is provided with interconnected jump ring.
The syndeton of described jump ring respectively and bottom handle body, between gear ring is to be provided with annular slot on the outer circumference surface of handle body bottom, the upper and lower edge of described jump ring all inwardly turns down out annular dogging shoulder, the annular dogging shoulder of this top edge is fitted in the annular slot of handle body bottom, and the annular dogging shoulder fastening of lower limb is on the lower limb of gear ring.
Described opening/closing component comprises the keying steel ball being arranged in inlet channel, this keying steel ball outside is provided with connecting tube and the trachea that sealing is installed, between connecting tube and keying steel ball, be provided with the keying spring of mutual pushing tow, open and close steel ball inner side and be provided with one end pushing tow keying steel ball, the other end through the push rod of handle body pushing tow on pressure handle, between this push rod and handle body, be provided with hard-wired pushing rod sleeve.
Compared with prior art, the utility model is mainly to set up a upper end be articulated and connected unsettled at pressure handle upper and lower end and be subject to torsion spring effect and the safety block that rotates towards handle body at pressure handle middle part, also on handle body, be provided with the insurance step holding out against for end in contact under safety block simultaneously, can make pressure handle suspend will be locked while using and cannot use by the design of above-mentioned safety structure, the improper startup of having avoided pressure handle in traditional, pneumatic breakup pick structure easily to occur unexpected touching and to cause, eliminate potential safety hazard, operated safer.Simultaneously, the handle at handle body top adopts the resilient handle structure of damping spring pushing tow, and it can make to isolate between the handle body of handle and vibrations, and helps when lever operated and can effectively slow down vibrations operating personnel, greatly alleviate operating personnel's labour intensity, and extended the activity duration.
Brief description of the drawings
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is the sectional structure schematic diagram of handle body.
Fig. 3 is the sectional structure schematic diagram of handle.
Fig. 4 is the sectional structure schematic diagram of pressure handle.
Fig. 5 is the contour structures schematic diagram of safety block.
Fig. 6 is the structural representation (broken section) of gear ring.
Fig. 7 is the top view of Fig. 6.
Fig. 8 is the sectional structure schematic diagram of jump ring.
Fig. 9 is the top view of Fig. 8.
Figure 10 is traditional Pneumatic breaking pickaxe structural representation.
Detailed description of the invention
To elaborate again to the utility model embodiment by above-mentioned accompanying drawing below.
As shown in Fig. 1 ~ Figure 10, 1. pick rod, 2. head springs, 3. pick cylinder, 31. return gas channels, 32. steam vents, 4. gear ring, 41. upper surface teeth, 42. internal tooths, 5. jump ring, 51. annular dogging shoulders, 6. spool, 7. valve cabinet, 71. air inlets, 8. handle body, 81. inlet channels, 82. spring bases, 83. installation cavitys, 84. annular slots, 85. lower surface teeth, 86. insurance steps, 9. opening/closing component, 91. pushing rod sleeves, 92. push rods, 93. open and close steel ball, 94. open and close spring, 95. coupling sleeves, 96. tracheas, 97. nuts, 10. elastic washer, 11. taper knobs, 12. handles, 121. spring groove, 122. spring stack, 13. damping springs, 14. top covers, 15. torsion springs, 16. safety blocks, 17. pressure handles, 171. spring block, 172. projection, 18. back-moving springs, 19. valve gaps, 20. windshield, 21. hammer bodies, 22. drill sleeves.
Pneumatic breaking pickaxe, as shown in Figure 1, it is a kind of pneumatic tool that is widely used in the broken work such as concrete, road surface and other hard objects, and its structure is to be mainly made up of handle body 8, handle 12, pressure handle 17, safety block 16, pick cylinder 3, opening/closing component 9, hammer body 21, drill sleeve 22, head springs 2 and pick rod 1 etc.
Described handle body 8 as shown in Figure 2, its top is provided with the mounting groove of opening upwards, handle body 8 both sides, top are respectively equipped with handle 12 as shown in Figure 3, the front end of every handle all stretches in mounting groove, and be articulated and connected on handle body 8 by pin, unsettled setting is all done in the rear end of every handle, and the taper knob 11 that is provided with plastics one-tenth outside this rear end is set with parcel, and be provided with at taper knob 11 external surfaces densely covered anti-skidding protruding so that operating personnel helps and prevents from skidding.
In described mounting groove, be also provided with two damping springs 13, the corresponding every handle 12 of each damping spring arranges, it arranges structure: handle 12 bottom surfaces in mounting groove are provided with spring stack 122, on handle body 8 in mounting groove, be provided with spring base 82, these damping spring 13 two ends difference pushing installation are on spring stack 122 and spring base 82, therefore make to separate between two handles 12 and handle body 8 by the pushing tow of two damping springs 13, with the vibrations of being born on releasing handle.
Described handle body 8 tops are provided with the top cover 14 that plastics are made, and this top cover can seal the opening at mounting groove top, and then the articulated structure in mounting groove also seals by handle 12, with aesthetic appearance.
One of them described handle 12 is provided with pressure handle 17 as shown in Figure 4, this pressure handle front end stretches into mounting groove and does coaxially hinged with handle 12, also unsettled setting is exposed to facilitate pressing operation in pressure handle 17 rear ends, between pressure handle 17 and handle 12, be provided with the back-moving spring 18 of mutual pushing tow, so that the relative handle 12 of pressure handle 17 automatically reseting after pressing, the mounting structure of back-moving spring 18 is: pressure handle 17 bottom surfaces are provided with spring block 171, handle 12 end faces are provided with spring groove 121, one end pushing installation of back-moving spring 18 is on spring block 171, other end pushing installation is in spring groove 121.
Described safety block 16 is " mouth " font as shown in Figure 5, this safety block 16 is sleeved on outside pressure handle 17, its upper end and pressure handle middle part are articulated and connected through safety plug, between safety block both sides and pressure handle, be equipped with torsion spring 15, this torsion spring set is contained in outside safety plug, its one end links on safety block 16, and the other end links on pressure handle 17, therefore make safety block 16 lower ends rotate towards handle body 8 all the time under normal conditions under the torsional force urges of two torsion springs 15.Meanwhile, handle body 8 tops also need to arrange an insurance step 86, hold out against for 16 times end in contact of safety block, therefore when 16 times end in contact of safety block hold out against on insurance step 86, the relative handle 12 of pressure handle 17 just cannot press down, and eliminates the unexpected potential safety hazard of bringing of opening of pressure handle 17, plays safety effect.Depart from insurance step 86 and only need a little outwards to withhold safety block 16 lower ends, pressure handle 17, just by automatic unlocking, can use in normal operating.
In described handle body 8, be provided with inlet channel 81 and opening/closing component 9, described opening/closing component comprises the keying steel ball 93 being arranged in inlet channel 81, in inlet channel 81, be also provided with and open and close steel ball 93 and coordinate the interior shoulder contacting, to realize the break-make of inlet channel 81, opening and closing steel ball 93 coordinates contact on interior shoulder, inlet channel 81 is closed, and opens and closes shoulder grafting in steel ball 93 disengagings and touches, and inlet channel 81 is opened; Described keying steel ball 93 outsides are provided with connecting tube 95, this connecting tube is done sealing fixed installation by "O"-ring, between connecting tube 95 and keying steel ball 93, be provided with the keying spring 94 of mutual pushing tow, open and close spring and can adopt pagoda spring, therefore the keying steel ball 93 under normality is to coordinate all the time to contact on interior shoulder under the thrust that opens and closes spring 94, is pent under inlet channel 81 normalities; Described connecting tube 95 is provided with by nut 97, hole back-up ring and "O"-ring and makes the trachea 96 being tightly connected, and uses for Pneumatic breaking pickaxe work for external gases at high pressure; Described keying steel ball 93 inner sides are provided with push rod 92, this push rod one end pushing tow opening and closing on steel ball 93, the other end through handle body 8 pushing tows on pressure handle 17, be provided with the projection 172 for push rod 92 end pushing tows in pressure handle bottom surface, and between push rod 92 and handle body 8, be also provided with the fixing pushing rod sleeve of pin 91, when the free end of pressing pressure handle 17 and exposing, it is inside that this pressure handle can promote push rod 92 around pin joint rotation, and then in 93 disengagings of pushing tow keying steel ball, shoulder grafting touches, and can open inlet channel 81.
Described handle body 8 bottoms are provided with the installation cavity 83 that Open Side Down, and this installation cavity is connected with inlet channel 81, are provided with the pick cylinder 3 that is threaded fixing in installation cavity 83.Simultaneously, what cause in order to prevent Pneumatic breaking pickaxe work to be subject to impact endurance test shock being threaded between handle body 8 and pick cylinder 3 is loosening, also need between handle body 8 and pick cylinder 3, design anti-loose structure locks, it is to be mainly provided with a circle lower surface tooth 85 at handle body 8 bottom end faces, handle body 8 bottom outer circumference surfaces are provided with annular slot 84, on pick cylinder 3 outer circumference surfaces of adjacent lower end face tooth 85, be provided with a circle external tooth, the outer gear ring 4 that is set with of pick cylinder 3, this gear ring is as Fig. 6, shown in Fig. 7, its upper surface is provided with a circle upper surface tooth 41, and from bottom to top engage by upper surface tooth on the lower surface tooth 85 that is fitted in handle body 8 bottom end faces, gear ring 4 inner peripheral surfaces are provided with a circle internal tooth 42, and engage by internal tooth on the external tooth that is fitted in pick cylinder 3 outer circumference surfaces, between handle body 8 bottoms and gear ring 4, be provided with again interconnected jump ring 5, this jump ring is as Fig. 8, shown in Fig. 9, on it, lower limb all inwardly turns down out annular dogging shoulder 51, the annular dogging shoulder 51 of this top edge is fitted in the annular slot 84 of handle body 8 bottoms, annular dogging shoulder 51 fastenings of lower limb are on the lower limb of gear ring 4, this anti-loose structure can more effectively in the time that Pneumatic breaking pickaxe work is subject to greater impact vibrations prevent that becoming flexible from appearring in being threaded between handle body 8 and pick cylinder 3, and make connection between the two very firm, reliably.
In described pick cylinder 3, be provided with and be subject to gases at high pressure pushing tow can make upper and lower reciprocating hammer body 21 and the epicoele being separated by hammer body and cavity of resorption, pick cylinder 3 afterbodys set gradually valve cabinet 7 and valve gap 19, in valve cabinet 7, be provided with spool 6, valve cabinet 7 is provided with the air inlet 71 that is communicated with respectively installation cavity 83 and epicoele, valve gap 19 end faces are provided with elastic washer 10, this elastic washer contacts with the inner top surface of the installation cavity 83 of handle body 8, and plays the effect that slows down jerk.
In described pick cylinder 3 sidewalls, be provided with the return gas channel 31 that is communicated with respectively cavity of resorption and installation cavity 83; Described pick cylinder 3 middle parts are provided with the steam vent 32 of multiple circumference uniform distributions, and pick cylinder is provided with the windshield 20 of the multiple steam vents of sealing outward, and this windshield is provided with multiple air discharge ducts, can alleviate the noise of pick cylinder 3 interior gas dischargings by windshield 20; Described pick cylinder 3 heads are provided with the drill sleeve 22 being arranged in head and are connected to the head springs 2 outside head, in drill sleeve 22, be provided with pick rod 1, this pick rod tail end can be subject to the upper and lower reciprocating motion of hammer body 21 clash into and possess impact energy, thereby carries out the fragmentation work of working substance.
Working method of the present utility model is as follows: air inlet pipe 96 external gas sources, open safety block 16 and press pressure handle 17, and then operation opening/closing component 9 is opened inlet channel, gases at high pressure are by inlet channel 81, air inlet 71 enters the epicoele in pick cylinder 3 fast, the cavity of resorption of pick cylinder is by the quick return-air of return gas channel 31, therefore can being moved downward by gases at high pressure pushing tow fast, hammer body 21 clashes into pick rod 1 afterbody, and pick rod 1 afterbody is also clashed in the accumulation of energy that can again move upward after the steam vent 32 of crossing pick cylinder 3 middle parts again, hammer body 21 upper, lower reciprocating motion has formed impact energy, after pointing to working substance by pick rod 1, just can carry out fragmentation work to working substance.
Claims (10)
1. a Pneumatic breaking pickaxe, comprise handle body (8), in this handle body, be provided with the opening/closing component (9) of inlet channel (81) and break-make inlet channel, handle body (8) top is provided with handle (12), this handle is provided with the pressure handle (17) of operation opening/closing component (9), handle body (8) bottom is provided with installation cavity (83), and this installation cavity is connected with inlet channel (81), is provided with the pick cylinder (3) being connected and fixed in installation cavity (83), in described pick cylinder, be provided with hammer body (21) and the epicoele being separated by hammer body and cavity of resorption, described pick cylinder (3) afterbody is provided with valve cabinet (7) and valve gap (19) successively, is provided with spool (6) in valve cabinet (7), and valve cabinet (7) is provided with the air inlet (71) that is communicated with respectively installation cavity (83) and epicoele, in described pick cylinder (3) sidewall, be provided with the return gas channel (3) that is communicated with respectively cavity of resorption and installation cavity (83), pick cylinder (3) middle part is provided with multiple steam vents (32), pick cylinder (3) head is provided with the drill sleeve (22) being arranged in head and is connected to the head springs (2) outside head, in this drill sleeve (22), be provided with and be subject to hammer body (21) to clash into the pick rod (1) of work, it is characterized in that described pressure handle (17) is provided with upper end and is articulated and connected on pressure handle (17), the safety block (16) of the unsettled setting in lower end, between this safety block and pressure handle (17), be provided with and promote the torsion spring (15) that rotate towards handle body (8) safety block (16) lower end, described handle body (8) is provided with the insurance step (86) holding out against for the lower end in contact of described safety block (16).
2. Pneumatic breaking pickaxe according to claim 1, it is characterized in that described safety block (16) is " mouth " font, this safety block is sleeved on outside pressure handle (17), and be articulated and connected through safety plug with pressure handle middle part, between described safety block (16) both sides and pressure handle (17), be equipped with torsion spring (15).
3. Pneumatic breaking pickaxe according to claim 1 and 2, it is characterized in that being provided with between described pressure handle (17) and handle (12) back-moving spring (18) of mutual pushing tow, this back-moving spring one end pushing installation spring block (171) set in pressure handle (17) bottom surface is upper, and other end pushing installation is in the set spring groove (121) of handle (12) end face.
4. Pneumatic breaking pickaxe according to claim 1 and 2, it is characterized in that described handle (12) is provided with two, these two handles are separately positioned on handle body (8) both sides, the front end of every handle is all articulated and connected on handle body (8), unsettled setting is all done in rear end, is also provided with the damping spring (13) of mutual pushing tow between handle (12) and handle body (8).
5. Pneumatic breaking pickaxe according to claim 4, it is characterized in that the mounting structure of described damping spring (13) between handle (12) and handle body (8) is to be provided with spring stack (122) in handle (12) bottom surface, in handle body (8), be provided with spring base (82), described damping spring (13) two ends difference pushing installation is on spring stack (122) and spring base (82).
6. Pneumatic breaking pickaxe according to claim 4, is characterized in that the outer taper knob (11) that is equipped with of described every handle (12), and this taper knob external surface is provided with densely covered anti-skidding protruding.
7. Pneumatic breaking pickaxe according to claim 1 and 2, is characterized in that described handle body (8) top is provided with top cover (14).
8. Pneumatic breaking pickaxe according to claim 1 and 2, is characterized in that described handle body (8) bottom end face is provided with lower surface tooth (85), and pick cylinder (3) outer circumference surface of adjacent lower end face tooth is provided with external tooth; The outer gear ring (4) that is set with of described pick cylinder (3), this gear ring upper surface is provided with the lower surface tooth (85) of described handle body (8) bottom end face and engages equipped upper surface tooth (41), gear ring (4) inner peripheral surface is provided with the external tooth on described pick cylinder (3) outer circumference surface and engages equipped internal tooth (42), between handle body (8) bottom and gear ring (4), is provided with interconnected jump ring (5).
9. Pneumatic breaking pickaxe according to claim 8, it is characterized in that the syndeton of described jump ring (5) respectively and bottom handle body (8), between gear ring (4) is to be provided with annular slot (84) on the outer circumference surface of handle body (8) bottom, the upper and lower edge of described jump ring (5) all inwardly turns down out annular dogging shoulder (51), the annular dogging shoulder (51) of this top edge is fitted in the annular slot (84) of handle body (8) bottom, and annular dogging shoulder (51) fastening of lower limb is on the lower limb of gear ring (4).
10. Pneumatic breaking pickaxe according to claim 1 and 2, it is characterized in that described opening/closing component (9) comprises the keying steel ball (93) being arranged in inlet channel (81), this keying steel ball outside is provided with connecting tube (95) and the trachea (96) that sealing is installed, between connecting tube (95) and keying steel ball (93), be provided with the keying spring (94) of mutual pushing tow, open and close steel ball (93) inner side and be provided with one end pushing tow keying steel ball, the other end is through the push rod (92) of handle body (8) pushing tow on pressure handle (17), between this push rod and handle body (8), be provided with hard-wired pushing rod sleeve (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420199871.6U CN203866682U (en) | 2014-04-23 | 2014-04-23 | Pneumatic breaking pickaxe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420199871.6U CN203866682U (en) | 2014-04-23 | 2014-04-23 | Pneumatic breaking pickaxe |
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| Publication Number | Publication Date |
|---|---|
| CN203866682U true CN203866682U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420199871.6U Expired - Lifetime CN203866682U (en) | 2014-04-23 | 2014-04-23 | Pneumatic breaking pickaxe |
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| CN (1) | CN203866682U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087689A (en) * | 2016-08-16 | 2016-11-09 | 泉州臻美智能科技有限公司 | A kind of quartering hammer of hydraulic-driven flywheel energy storage |
| CN109505221A (en) * | 2018-12-17 | 2019-03-22 | 筑梦高科建筑有限公司 | A kind of building concrete quickly smashes robot |
-
2014
- 2014-04-23 CN CN201420199871.6U patent/CN203866682U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087689A (en) * | 2016-08-16 | 2016-11-09 | 泉州臻美智能科技有限公司 | A kind of quartering hammer of hydraulic-driven flywheel energy storage |
| CN109505221A (en) * | 2018-12-17 | 2019-03-22 | 筑梦高科建筑有限公司 | A kind of building concrete quickly smashes robot |
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