CN109203260A - A kind of manual aerated bricks cutter - Google Patents
A kind of manual aerated bricks cutter Download PDFInfo
- Publication number
- CN109203260A CN109203260A CN201811058361.6A CN201811058361A CN109203260A CN 109203260 A CN109203260 A CN 109203260A CN 201811058361 A CN201811058361 A CN 201811058361A CN 109203260 A CN109203260 A CN 109203260A
- Authority
- CN
- China
- Prior art keywords
- housing
- tail sleeve
- aerated bricks
- block stamp
- block
- Prior art date
- 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.)
- Granted
Links
- 239000011449 brick Substances 0.000 title claims abstract description 35
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000003860 storage Methods 0.000 claims abstract description 12
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 241000251133 Sphyrna tiburo Species 0.000 claims description 9
- 235000005121 Sorbus torminalis Nutrition 0.000 claims description 3
- 244000152100 Sorbus torminalis Species 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 239000004927 clay Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/26—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by impact tools, e.g. by chisels or other tools having a cutting edge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a kind of manual aerated bricks cutters, including force storage device and impact head, force storage device includes sequentially connected collet pedestal, housing and tail sleeve tail sleeve lower end and outer set upper side are socketed, it can outer interplanting linear expansion displacement relatively, collet pedestal is for clamping impact head, impact portion is provided in the inner cavity of housing, impact portion includes power spring, the block stamp being connect with power spring, the anvil block cooperated with block stamp and the buffer spring being placed in front of anvil block, the upper end of impact head is placed in the inner cavity of housing to contradict with anvil block lower end and connect, it puts on outside and is provided with twice sliding slot, pin hole is provided on block stamp, orienting pin is set in pin hole, housing is stretched out at its both ends out of sliding slot respectively, it puts on outside and is provided with the component that loads, the component that loads includes the spanner for being located at the fixing seat of outer casing outer wall and being connect with fixing seat by shaft, block stamp On be additionally provided with control assembly, work efficiency is high, cutting effect it is good.
Description
Technical field
The present invention relates to a kind of cutters, specifically, refer to a kind of manual aerated bricks cutter.
Background technique
" autoclave aerated concrete building block " abbreviation aerated bricks are the air entrained concrete produced by autoclave at high temperature apparatus and process
Building block, " aerated bricks " can be understood as that one simplified or a general title, the product scope covered should want big
A bit, i.e., using the brick product of other various technique productions including steam pressure.
The general weight of air-entrained concrete building block is 500-700kg/m3, is only equivalent to clay brick 1/4-1/5, normal concrete
1/5, be lighter one kind in concrete, the self weight than common brick concrete structure building reduces by 40% or more, and aerating is mixed
The thermal coefficient for coagulating soil is the 1/6 of normal concrete, and heat-proof quality is significantly better than the clay brick wall of 240mm thickness, aerating coagulation
Unit weight of soil is light, overall performance is good, earthquake when inertia force it is small, so having certain shock resistance, air entrained concrete has fine
Processing performance, can saw, dig, follow closely, mill, bore, to construction bring great convenience with flexibly, air entrained concrete temperature be 600
When below degree, compression strength slightly increases, the pressure resistance when temperature is at 600 degree or so, when compression strength is close to room temperature
Degree, fire protecting performance reach country-level fire-protection standard, and the internal structure image planes packet of air entrained concrete is the same, are evenly distributed big
The sealed porosity of amount, therefore the sound absorption qualities not having with common buildings material, can be different according to local different raw material
Condition is carried out amount body and is made surely, and river sand, flyash, ore in sand form etc. may be selected in raw material, and adaptation to local conditions can be salvaged, environmental,
Really turn waste into wealth.
It needs largely to use aerated bricks in building field, is frequently necessary to cutting aerated bricks in the construction process, it is existing to add
Gas brick cutting-off method is directly to be cut off with cutter, not only time-consuming and laborious, working efficiency is low, but also it is bad to cut off effect.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to above-mentioned state of the art, and a kind of manual aerated bricks are provided and are cut
Disconnected device, cutter of the invention, work efficiency is high, cutting effect is good, and small be convenient for carrying uses suitable for construction.
The technical scheme of the invention to solve the technical problem is:
A kind of manual aerated bricks cutter, including force storage device and impact head, force storage device include sequentially connected collet pedestal,
Housing and tail sleeve tail sleeve lower end and the socket of outer set upper side, can relatively outer interplanting linear expansion be displaced, collet pedestal is used to clamp
Impact head, is provided with impact portion in the inner cavity of housing, impact portion include power spring, the block stamp being connect with power spring, with punching
The buffer spring hammering the anvil block of cooperation into shape and being placed in front of anvil block, the upper end of impact head is placed in the inner cavity of housing and anvil block lower end
Connection is contradicted, puts on be provided with twice sliding slot outside, pin hole is provided on block stamp, orienting pin is set in pin hole, both ends difference
Stretch out housing out of sliding slot, put on be provided with the component that loads outside, the component that loads include be located at outer casing outer wall fixing seat and with
The spanner that fixing seat is connected by shaft, control assembly is additionally provided on block stamp, and control assembly includes radial is opened on block stamp
Cavity, positioning pin, the spring being sequentially placed into cavity from outside to inside put on outside and be equipped with the location hole that is adapted to positioning pin, pull
Hand is pulled upwards moves up orienting pin along the chute, and block stamp compresses power spring, and the positioning pin of control assembly is pressed into housing
On location hole in prevent power spring restore relaxation state；Tail sleeve is pressed down on, the lower end of tail sleeve squeezes determines in location hole
Position pin, positioning pin inside contract, and the power spring of compression loosens promotion block stamp, and block stamp hits anvil block, and anvil block acts on the top of impact head
Aerated bricks are truncated in portion, impact head.
To optimize above-mentioned technical proposal, the measure taken further include:
It is provided with a fixed lid at the top of above-mentioned housing, fixed lid has disk-like lid bodies and downward from the disk-like lid bodies
The inner wall of the pillar of protrusion, pillar and housing forms compression fit, and the bottom of tail sleeve is inwardly provided with a circle body flange, tail sleeve top
Portion is provided with end cap.
Reset spring is provided in above-mentioned tail sleeve, reset spring one end and fixed tops are contradicted and fixed, the other end
It contradicts and connects with tail sleeve top end cover.
Above-mentioned impact head includes spade and shovel head, and it is recessed to be in axial direction equipped with twice limit sliding in spade two sides of tail
Slot, sliding recess have a bulb positioning screw, and bulb positioning screw places positioning screw hole on collet pedestal and sliding is recessed
Slot is closely slidably matched.
Above-mentioned shovel head bottom be provided with front end it is pointed divide pick, divide pick be hard alloy.
The bottom of above-mentioned collet pedestal extends downwardly out support leg, extends foot outward with the support leg of spanner side
It steps on.
It is the arc to lower recess at the top of the end cap of above-mentioned tail sleeve, and is provided with anti-skid chequer.
The upper end of above-mentioned block stamp is provided with a circle fin, the periphery of fin and the internal chamber wall precision-fit of housing.
A kind of manual aerated bricks cutter of the invention, including force storage device and impact head, force storage device include successively connecting
The collet pedestal, housing and the tail sleeve tail sleeve lower end that connect and the socket of outer set upper side, can relatively outer interplanting linear expansion displacement, collet
Pedestal is provided with impact portion for clamping impact head in the inner cavity of housing, impact portion includes power spring, connect with power spring
Block stamp, with the anvil block of block stamp cooperation and the buffer spring that is placed in front of anvil block, the upper end of impact head is placed in the inner cavity of housing
In with anvil block lower end contradict connect, put on be provided with twice sliding slot outside, pin hole is provided on block stamp, orienting pin is set in pin hole
Interior, housing is stretched out at both ends out of sliding slot respectively, puts on be provided with the component that loads outside, and the component that loads includes being located at outer casing outer wall
Fixing seat and the spanner being connect with fixing seat by shaft, control assembly is additionally provided on block stamp, and control assembly includes radial
The cavity being opened on block stamp, positioning pin, the spring being sequentially placed into cavity from outside to inside, put on outside be equipped be adapted to positioning pin
Location hole, spanner is pulled upwards moves up orienting pin along the chute, and block stamp compresses power spring, the positioning of control assembly
Pin, which is pressed on outer set in location hole, prevents power spring from restoring relaxation state；Tail sleeve is pressed down on, it is fixed that the lower end of tail sleeve squeezes
Positioning pin in the hole of position, positioning pin inside contract, and the power spring of compression loosens promotion block stamp, and block stamp hits anvil block, and anvil block acts on
Aerated bricks are truncated in the top of impact head, impact head, and work efficiency is high, cutting effect is good.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is cross-sectional view of the invention；
Fig. 3 is sectional view along A-A in Fig. 1；
Fig. 4 is the portion I enlarged drawing in Fig. 2.
Specific embodiment
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
Fig. 1 to Fig. 4 is structural schematic diagram of the invention.
Appended drawing reference therein are as follows: impact head 1, spade 11, shovel head 12, sliding recess 13, divide pick 14, collet pedestal 2,
Positioning screw hole 21, bulb positioning screw 22, support leg 23, foot-operated 24, housing 3, sliding slot 31, fixing seat 32, shaft 33, spanner
34, location hole 35, fixed lid 36, disk-like lid bodies 37, pillar 38, tail sleeve 4, body flange 41, reset spring 42, power spring 5,
Block stamp 6, pin hole 61, orienting pin 62, cavity 63, positioning pin 64, spring 65, fin 66, anvil block 7, buffer spring 8.
Fig. 1 to Fig. 4 is structural schematic diagram of the invention.
A kind of manual aerated bricks cutter, including force storage device and impact head 1, force storage device include sequentially connected collet
Pedestal 2, housing 3 and tail sleeve 4, housing 3 and tail sleeve 4 are all made of hollow round bar, end cap on 4 lower end of tail sleeve and housing 3
It connects, linear expansion displacement can be made with respect to housing 3, collet pedestal 2 is connected through a screw thread with 3 lower end of housing, and collet pedestal 2 is for pressing from both sides
Impact head 1 is held, is provided with impact portion in the inner cavity of housing 3, impact portion includes power spring 5, the block stamp that connect with power spring 5
6, the anvil block 7 cooperated with block stamp 6 and the buffer spring 8 being placed in front of anvil block 7, buffer spring 8 can prevent anvil block 7 and collet
The inner end face contact of pedestal 2, the centre bore that the upper end of impact head 1 passes through collet pedestal 2 are placed in the inner cavity of housing 3 and anvil block 7
Lower end contradicts connection, is provided with twice sliding slot 31 on housing 3, pin hole 61 is provided on block stamp 6, orienting pin 62 is set in pin hole 61
Interior, housing 3 is stretched out at both ends out of sliding slot 31 respectively, is provided with the component that loads on housing 3, and the component that loads includes being located at housing 3
The fixing seat 32 of outer wall and the spanner 34 being connect with fixing seat 32 by shaft 33, spanner 34 push orientation in use
Pin 62 moves up, and control assembly is additionally provided on block stamp 6, and control assembly can be excited by pressing down on tail sleeve 4, and control assembly includes
Radial direction is opened in cavity 63 on block stamp 6, positioning pin 64, the spring 65 being sequentially placed into cavity 63 from outside to inside, sets on housing 3
There is the location hole 35 being adapted to positioning pin 64, pulling spanner 34 upwards moves up orienting pin 62 31 along the chute, and block stamp 6 makes to store
Power spring 5 compresses, and prevents the recovery of power spring 5 from loosening shape in the location hole 35 that the positioning pin 64 of control assembly is pressed on housing 3
State；Tail sleeve 4 is pressed down on, the lower end of tail sleeve 4 squeezes the positioning pin 64 in location hole 35, and positioning pin 64 inside contracts, the storage power of compression
Spring 5, which loosens, pushes block stamp 6, and block stamp 6 hits anvil block 7, and anvil block 7 acts on the top of impact head 1, and impact head 1 is disposably truncated
Aerated bricks, work efficiency is high, and cutting effect is good.
In embodiment, the top of housing 3 is provided with a fixed lid 36, fixed lid 36 have disk-like lid bodies 37 and from this
The inner wall of the downwardly projecting pillar 38 of disk-like lid bodies 37, pillar 38 and housing 3 forms compression fit, and the bottom of tail sleeve 4 is inside
It is provided with a circle body flange 41, the periphery wall and 4 inner wall snug sliding fit of tail sleeve of disk-like lid bodies 37 are arranged at the top of tail sleeve 4
There is end cap, the lower section of tail sleeve 4 is taper peripheral wall.
In embodiment, it is provided with reset spring 42 in tail sleeve 4, is contradicted at the top of 42 one end of reset spring and fixed lid 36 solid
It is fixed, it contradicts and connects at the top of the other end and tail sleeve 4, tail sleeve 4 can automatically reset.
In embodiment, impact head 1 includes spade 11 and shovel head 12, is in axial direction equipped with twice in 11 two sides of tail of spade
Sliding recess 13 is limited, sliding recess 13 has bulb positioning screw 22, and bulb positioning screw 22 places on collet pedestal 2
Positioning screw hole 21 be closely slidably matched with sliding recess 13, about 1 impact head can be made to vertically move, while preventing in impact head
1 is detached from from collet pedestal 2.
In embodiment, 12 bottom of shovel head be provided with front end it is pointed divide pick 14, divide pick 14 be hard alloy, divide pick
First 14 are first inserted into aerated bricks, accelerate the truncation to aerated bricks.
In embodiment, the bottom of collet pedestal 2 extends downwardly out support leg 23, and support leg 23 can be supported on aerated bricks
On, extend foot-operated 24 outward with the support leg 23 of 34 side of spanner, in the storage power bullet pulling spanner 34 upwards and being compressed
When spring 5, a foot can slam foot-operated 24, prevent cutter from shaking, while facilitating operation.
It is the arc to lower recess in embodiment, at the top of the end cap of tail sleeve 4, and is provided with anti-skid chequer, convenient for presses down on
Tail sleeve 4.
In embodiment, the upper end of block stamp 6 is provided with a circle fin 66, and the periphery of fin 66 and the internal chamber wall of housing 3 are accurate
Cooperation reduces the inner cavity wall friction of block stamp 6 and housing 3.
A kind of manual aerated bricks cutter detailed directions of the invention are as follows:
The centre bore that the upper end of the spade 11 of impact head 1 passes through collet pedestal 2 is placed in the inner cavity of housing 3 and 7 lower end of anvil block
Connection is contradicted, bulb positioning screw 22 is screwed using screwdriver and is closely slidably matched with sliding recess 13, a foot slams foot
24 are stepped on, pulling spanner 34 upwards moves up orienting pin 62 31 along the chute, and block stamp 6 compresses power spring 5, control assembly
Prevent power spring 5 from restoring relaxation state in the location hole 35 that positioning pin 64 is pressed on housing 3；The support leg 23 of cutter is supported
On aerated bricks, shovel head 12 is made to be directed at cutting line, press down on tail sleeve 4, the lower end of tail sleeve 4 squeezes the positioning pin in location hole 35
64, positioning pin 64 inside contracts, and the power spring 5 of compression, which is loosened, pushes block stamp 6, and block stamp 6 hits anvil block 7, and anvil block 7 acts on impact head
Aerated bricks are truncated in 1 11 top of spade, the shovel head 12 of impact head 1.
Highly preferred embodiment of the present invention has illustrated, and the various change or remodeling made by those of ordinary skill in the art are not
It can depart from the scope of the present invention.
Claims (8)
1. a kind of manual aerated bricks cutter, it is characterized in that: including including force storage device and impact head (1), the force storage device
Sequentially connected collet pedestal (2), housing (3) and tail sleeve (4), tail sleeve (4) lower end and end cap on the housing (3)
Connect, can the relatively described housing (3) make linear expansion displacement, the collet pedestal (2) is for clamping impact head (1), the housing
(3) be provided with impact portion in inner cavity, the impact portion includes power spring (5), the block stamp (6) that is connect with power spring (5),
The anvil block (7) cooperated with block stamp (6) and the buffer spring (8) being placed in front of anvil block (7), the upper end of the impact head (1) is set
It contradicts and connects with anvil block (7) lower end in the inner cavity of housing (3), be provided with twice sliding slot (31), the punching on the housing (3)
It is provided with pin hole (61) on hammer (6), orienting pin (62) is set in the pin hole (61), and both ends are stretched out of sliding slot (31) respectively
Housing (3) out are provided with the component that loads on the housing (3), and the component that loads includes the fixing seat for being located at housing (3) outer wall
(32) and with fixing seat (32) pass through the spanner (34) that shaft (33) are connect, be additionally provided with control assembly on the block stamp (6),
The control assembly includes the radial cavity (63) being opened on block stamp (6), is sequentially placed into the cavity (63) from outside to inside
Positioning pin (64), spring (65), the housing (3) is equipped with the location hole (35) that is adapted to the positioning pin (64), described
Spanner (34) is pulled upwards moves up orienting pin (62) along the chute (31), and block stamp (6) compresses power spring (5), described
Power spring (5) are prevented to restore to loosen shape in the location hole (35) that the positioning pin (64) of control assembly is pressed on the housing (3)
State；It presses down on the tail sleeve (4), the lower end of tail sleeve (4) squeezes the positioning pin (64) in location hole (35), and positioning pin (64) is interior
Contracting, the power spring (5) of compression, which is loosened, pushes block stamp (6), and block stamp (6) hits anvil block (7), and anvil block (7) acts on impact head (1)
Top, impact head (1) be truncated aerated bricks.
2. a kind of manual aerated bricks cutter according to claim 1, it is characterized in that: the top of the housing (3) is arranged
There is a fixed lid (36), the fixed lid (36) has disk-like lid bodies (37) and downwardly projecting from the disk-like lid bodies (37)
Pillar (38), the inner wall of the pillar (38) and the housing (3) forms compression fit, and the bottom of the tail sleeve (4) is inside
It is provided with a circle body flange (41), is provided with end cap at the top of the tail sleeve (4).
3. a kind of manual aerated bricks cutter according to claim 2, it is characterized in that: being provided in the tail sleeve (4) multiple
It contradicts and fixes at the top of position spring (42), described reset spring (42) one end and fixed lid (36), at the top of the other end and tail sleeve (4)
End cap contradict connection.
4. a kind of manual aerated bricks cutter according to claim 3, it is characterized in that: the impact head (1) includes spade
(11) and shovel head (12) twice limit sliding recess (13), sliding recess in axial direction, are equipped in spade (11) two sides of tail
(13) have bulb positioning screw (22), bulb positioning screw (22) places the positioning screw hole (21) on collet pedestal (2)
It is closely slidably matched with sliding recess (13).
5. a kind of manual aerated bricks cutter according to claim 4, it is characterized in that: the shovel head (12) bottom is provided with
Front end is pointed to be divided pick (14), described that pick (14) is divided to be hard alloy.
6. a kind of manual aerated bricks cutter according to claim 5, it is characterized in that: the bottom of the collet pedestal (2)
Support leg (23) are extended downwardly out, extend foot-operated (24) outward with the support leg (23) of spanner (34) side.
7. a kind of manual aerated bricks cutter according to claim 6, it is characterized in that: at the top of the end cap of the tail sleeve (4)
For to the arc of lower recess, and it is provided with anti-skid chequer.
8. a kind of manual aerated bricks cutter according to claim 7, it is characterized in that: the upper end of the block stamp (6) is arranged
There are a circle fin (66), the periphery of the fin (66) and the internal chamber wall precision-fit of the housing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811058361.6A CN109203260B (en) | 2018-09-11 | 2018-09-11 | Manual aerated brick cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811058361.6A CN109203260B (en) | 2018-09-11 | 2018-09-11 | Manual aerated brick cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109203260A true CN109203260A (en) | 2019-01-15 |
| CN109203260B CN109203260B (en) | 2020-12-11 |
Family
ID=64983679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811058361.6A Active CN109203260B (en) | 2018-09-11 | 2018-09-11 | Manual aerated brick cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109203260B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE427220C (en) * | 1924-12-19 | 1926-03-27 | Werke Akt Ges Fa Deutsche | Production and chipping tool for making patterns on rock surfaces |
| FR612243A (en) * | 1925-11-05 | 1926-10-19 | Renault Georges Ets | Bush hammering tool holder with interchangeable insert |
| US1727915A (en) * | 1927-03-15 | 1929-09-10 | Thomson Francis Du Pont | Scaling tool |
| CN2158337Y (en) * | 1992-12-10 | 1994-03-09 | 刘勇富 | Pneumatic impact tool for stone |
| US5628105A (en) * | 1995-03-27 | 1997-05-13 | Harris Corporation | Impact tool with multi-wire cutting head |
| CN1378075A (en) * | 2001-04-04 | 2002-11-06 | 中国科学院金属研究所 | Impression producing device for fixed point |
| JP2010142907A (en) * | 2008-12-19 | 2010-07-01 | Furukawa Power Components Inc | Manual hammer |
| CN201907106U (en) * | 2010-11-24 | 2011-07-27 | 西安工业大学 | Portable manual impact pickax |
| CN205272367U (en) * | 2015-12-17 | 2016-06-01 | 石倩文 | Convenient brick cutting device |
-
2018
- 2018-09-11 CN CN201811058361.6A patent/CN109203260B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE427220C (en) * | 1924-12-19 | 1926-03-27 | Werke Akt Ges Fa Deutsche | Production and chipping tool for making patterns on rock surfaces |
| FR612243A (en) * | 1925-11-05 | 1926-10-19 | Renault Georges Ets | Bush hammering tool holder with interchangeable insert |
| US1727915A (en) * | 1927-03-15 | 1929-09-10 | Thomson Francis Du Pont | Scaling tool |
| CN2158337Y (en) * | 1992-12-10 | 1994-03-09 | 刘勇富 | Pneumatic impact tool for stone |
| US5628105A (en) * | 1995-03-27 | 1997-05-13 | Harris Corporation | Impact tool with multi-wire cutting head |
| CN1378075A (en) * | 2001-04-04 | 2002-11-06 | 中国科学院金属研究所 | Impression producing device for fixed point |
| JP2010142907A (en) * | 2008-12-19 | 2010-07-01 | Furukawa Power Components Inc | Manual hammer |
| CN201907106U (en) * | 2010-11-24 | 2011-07-27 | 西安工业大学 | Portable manual impact pickax |
| CN205272367U (en) * | 2015-12-17 | 2016-06-01 | 石倩文 | Convenient brick cutting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109203260B (en) | 2020-12-11 |
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