CN107497970A - A kind of light-duty steel bar quick breaker - Google Patents
A kind of light-duty steel bar quick breaker Download PDFInfo
- Publication number
- CN107497970A CN107497970A CN201710680129.5A CN201710680129A CN107497970A CN 107497970 A CN107497970 A CN 107497970A CN 201710680129 A CN201710680129 A CN 201710680129A CN 107497970 A CN107497970 A CN 107497970A
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- Prior art keywords
- piston
- hydraulic cylinder
- plunger
- head
- assembly
- Prior art date
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 36
- 239000010959 steel Substances 0.000 title claims abstract description 36
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 20
- 238000005086 pumping Methods 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 109
- 230000001105 regulatory effect Effects 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 14
- 230000033228 biological regulation Effects 0.000 claims description 13
- 238000005520 cutting process Methods 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000010008 shearing Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 208000020442 loss of weight Diseases 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 230000001815 facial effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 229910000754 Wrought iron Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001341 Crude steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 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
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/024—Pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Shearing Machines (AREA)
Abstract
The invention discloses a kind of light-duty steel bar quick breaker, it is characterized in that, including housing assembly, the hydraulic cylinder assembly of housing assembly one end is fixedly installed on, the handle integral type hood of the housing assembly other end is fixedly installed and is arranged on the work head assembly of hydraulic cylinder assembly end, piston spring assembly is provided between work head assembly and hydraulic cylinder the assembly inside, oil pumping device assembly is provided between the hydraulic cylinder assembly and housing assembly inside;The invention has the advantages that the quick breaker light structure, easy to operate, safe and reliable, service life is long, execution is quick, work noise is low, human engineering is adapted to cut through well various diameter reinforcing bars.
Description
Technical field
The present invention relates to reinforcing bar quick shearing mechanical equipment technical field, and in particular to a kind of light-duty steel bar quick breaker.
Background technology
With the continuous development of China's urbanization, building also develops therewith with fire prevention, in high-rise building or other height
In layer Architectural Equipment, it is common to use reinforced concrete structure.It is a large amount of under construction use reinforcing bar, therefore either in construction pair
The cut-out of various bar materials is required for a kind of bar cutting to fill still when removing to the cut-out of the reinforcing bar largely mutually to tussle
Put, on construction site or on fire control and disaster rescue, often need reinforcing bar fixed length to cut, may be used also for the pole steel of mm dia more than ten
To use " the manual locking pliers " of long handle, for thick steel wire, the shearing that hydraulic shear or servomotor must be used to drive
Machine.The existing various crude steel rod cutters of in the market, its cutting head be essentially all with the scissors bit of two rectangles, it is dynamic at one
Rod iron is placed between scissors and quiet scissors, then two scissors bits close up in opposite directions, and rod iron is cut.Found by market survey,
Existing market bar cutting machinery is all heavier, and fixed bar cutting machinery occupies plurality, the reinforcing bar of hand-held
Bar cutting machinery weight is general all heavier, and oil circuit is opened up in work head mechanism, causes that the nose heave amount of work is big, and volume is big, warp
Oil leakage phenomenon often occurs, because the work head of the most bar cropper tool of in the market opens up the unreasonable structure design such as steam vent,
Cause dust, debris blocking oil duct often occur in operation, knife often can not occur, oil pressure does not increase, burns motor.At present,
Hydraulic cylinder, the housing of the cutting machinery of most of reinforcing bars use steel, and structure bulky, internal galleries arrangement is unreasonable, frequent
" detonation " accident occurs, in addition, internal mechanism setting is unreasonable, at present, most of bar cutting machineries all have work noise
Greatly, short life, sealing are poor, movement parts abrasion is big, low oil pressure.Because manufacturing process is poor, easily sealed between binding face
Not tight, part misaligns, wear the undesirable condition such as big, causes some bar cutting machinery hydraulic performance declines, temperature rise, noise increasing
Greatly, the rough sledding such as service life reduction.And it is badly in need of possessing light structure, easy to operate, safe and reliable, service life in the market
Bar cropper tool that is long, performing the advantages that quick, work noise is low, human engineering is good, therefore, patent of the present invention provides one
The light-duty steel bar quick breaker of kind.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provide small volume, simple in construction, using flexible, operating efficiency it is high,
A kind of light-duty steel bar quick breaker of safe ready.
Technical scheme is as follows:
A kind of light-duty steel bar quick breaker, it is characterised in that including housing assembly, be fixedly installed on the hydraulic cylinder of housing assembly one end
Assembly, be fixedly installed the housing assembly other end handle integral type hood and be arranged on hydraulic cylinder assembly end work head it is total
Into being provided with piston spring assembly between work head assembly and hydraulic cylinder the assembly inside, the hydraulic cylinder assembly and housing are total
Into being provided with oil pumping device assembly between inside;The work head assembly includes work head carrier and is arranged on work head carrier
Dynamic cutter head, quiet cutter head;The piston spring assembly includes piston head and piston rod, and the head of the piston rod offers dynamic cutter head
Screwed hole, the dynamic cutter head are fixed in dynamic cutter head screwed hole by hexagon socket head cap screw;The housing assembly include housing and with
The oil sump that housing is fixedly connected;The hydraulic cylinder assembly includes hydraulic cylinder, and one group is offered on the cylinder ends facial planes
Pressure oil export;The oil pumping device assembly includes DC brushless motor, the camshaft being arranged on DC brushless motor, set
The plunger tray in camshaft end and one group of plunger being arranged on plunger tray are put, one is offered on the plunger tray
Group oil-feed deep trouth, and pressure oil-in is being offered close to oil-feed deep trouth opening position, it is provided with needle roller axle inside the plunger tray
Hold, the camshaft is equipped with needle bearing, and under the drive of DC brushless motor, camshaft successively with post
Plug extruding contact so that pressure oil is obtained in oil sump and enters pressure oil-in from oil-feed deep trouth, then is entered by pressure oil export
In hydraulic cylinder, so that piston rod promotes dynamic cutter head to carry out shearing work.
A kind of described light-duty steel bar quick breaker, it is characterised in that on the work head carrier positioned at dynamic cutter head with it is quiet
Position offers the U-shaped breach placed for reinforcing bar between cutter head;The side of the work head carrier using face directly structure with tiltedly
Face structure connects and composes, and for opposite side using structure is faced directly, the work head carrier end is provided with work head major thread, the work
Head major thread bottom is equipped with O-ring seals;Backing-up screw hole is offered on the work head major thread medium position, passes through spiral shell
Work head assembly is limited in hydraulic cylinder by nail;Boss is being provided with positioned at dynamic cutter head side on the work head carrier, it is described convex
Platform, which is provided with, is used for the firm and spacing regulation caging bolt of different-diameter reinforcing bar card;Described work head carrier bottom offers use
In the groove of loss of weight;Opening up what is be easy to dynamic cutter head installation and dismantle above dynamic cutter head position on the work head carrier
Semicolumn groove;The quiet cutter head is provided with backplate;The dynamic cutter head and quiet cutter head use sheet blade, and the sword of two cutter heads
Mouth is just tangent in closed state, and blade material uses steel alloy or high-speed steel.
Described a kind of light-duty steel bar quick breaker, it is characterised in that the piston head uses flat round pie structure, living
Chock plug front end offers annular channel, and is provided with piston packing in annular channel;The piston rod uses L-shaped structure, living
Back-moving spring is arranged with stopper rod, flat key groove is offered on the piston rod, flat key is provided with flat key groove, is opened in the middle part of the flat key
Flat key is fixed in the flat key groove of piston rod provided with bolt hole, and by hexagon socket head cap screw;The piston rod is anterior with working
Head general assembly position is provided with work head sealing ring.
Described a kind of light-duty steel bar quick breaker, it is characterised in that the piston head surface offers special-shaped piston hole, institute
State and offer sharp mouth shape breach at two relative positions on special-shaped piston hole respectively, small work is provided with the special-shaped piston hole
Plug, the valve piston include valve piston head and small piston rod, and the small piston rod uses stepped cylinder body structure, head compared with
Carefully, bottom is thicker, and is offering outer conduit close to small piston rod thickness separation opening position, and lesser calorie is provided with the outer conduit
Hoop;The small piston rod is provided with lock nut, and the lock nut bottom is arranged with return spring, and top was arranged with position guarantor
Protect spring.
Described a kind of light-duty steel bar quick breaker, it is characterised in that the hydraulic cylinder uses cylinder-like structure, before hydraulic cylinder
Portion offers backing-up screw hole, and hydraulic cylinder mounting hole and plunger tray mounting hole are also opened up on the cylinder ends facial planes;Institute
Pressure oil export is stated provided with three pairs, each pair is positioned next to, and U-shaped counterbore is all set on each pair pressure oil outlet port, and U-shaped heavy
Sealing ring is installed on hole, three pairs of pressure oils, which go out, to be arranged on same circumference, and it is adjacent between angle be 120 °;The plunger
Tray mounting hole also is provided with three pairs, and circumferential upper plug tray mounting hole is interspersed with pressure oil export, and plunger tray is installed
Angle is also 120 ° between hole is adjacent in the circumferential;Circle diameter residing for the plunger tray mounting hole is less than pressure oil export
Residing circle diameter;The cylinder ends middle position is provided with ball bearing, and the inwall of hydraulic cylinder is located at piston forward direction
Place offers spill port entrance on extreme position, and the front of the hydraulic cylinder offers shallow grooves, shield is provided with shallow grooves
Set and colored cover strip.
A kind of described light-duty steel bar quick breaker, it is characterised in that the hydraulic cylinder rear portion sets two chain-wales, wherein
Check valve is set on one platform, regulating valve is set on another platform, the check valve includes check valve valve body and set single
To the steel ball of valve body front end;The regulating valve include regulation valve body, the taper valve core for being arranged on regulation valve body front end and
The pressure limit spring being arranged between regulation valve body and taper valve core;Oil return is offered on the cylinder ends facial planes
Hole, the way valve passageway hole connected with check valve and the regulating valve access opening connected with regulating valve.
Described a kind of light-duty steel bar quick breaker, it is characterised in that the DC brushless motor shaft end is provided with ring flange, institute
State ring flange and offer bolt hole close to outer fringe position, ring flange and DC brushless motor will be fixed on by bolt by plunger support
On block, stay bolt hole is offered above the plunger tray, plunger tray is fixed on hydraulic cylinder by stay bolt, the post
Plug tray uses porous block three-prong structure, and oil-feed deep trouth is offered on each pin of plunger tray, the plunger tray
Fuel feed hole is opened up between three pin, the fuel feed hole is provided with filter screen, and the filter screen is provided with filter screen pressing plate, passes through filter screen pressure
Plate is pressed in filter screen on plunger tray with stay bolt.
Described a kind of light-duty steel bar quick breaker, it is characterised in that the plunger includes plunger barrel, short-plunger spring, length
Plunger spring and piston cap, piston cap hole interference fit corresponding with plunger tray, piston cap middle part are provided with water jacket, and
Plunger sealing washer is provided with water jacket, latch bracket is provided between described piston cap and plunger barrel;The latch bracket upper and lower parts pair
Short-plunger spring and long-plunger spring, the needle bearing side installation settings pad and clip should be contradicted.
Described a kind of light-duty steel bar quick breaker, it is characterised in that the oil sump is provided with software oil bag, and oil sump
With software oil bag with being integrally formed, software oil wraps is made hollow hemispherical structure using oil resistant rubber, under the oil sump
Side is provided with oil sump nut, and oil sump is fixedly connected with the casing by oil sump nut;The housing is made of aluminium, shell
Body is provided with one group of radiating floor, offers housing thermovent at motor position on housing, the front and back end of housing is equipped with
Flange terminal pad, housing are fixedly connected with hydraulic cylinder assembly and handle integral type hood respectively by flange terminal pad.
Described a kind of light-duty steel bar quick breaker, it is characterised in that the handle integral type hood, including handle and machine
Cover, the handle are integrally formed with hood, offer bolt hole on the bending section lower end arc cylinder of handle, pass through bolt handle
The bending section lower end arc cylinder of handle is fixed on hydraulic cylinder assembly, and stay bolt hole is offered on the flange face of hood, passes through length
Hood is fixed on housing by bolt, and the rear end of the hood is provided with one group of heat dissipation grid, and anterior set of the handle is opened
Dynamic button, the handle inner use hollow structure, and rear portion bending section is provided with through hole, cable, start button are provided with through hole
It is connected by cable with power supply.
The beneficial effects of the invention are as follows:1)The work head carrier of work head assembly is being provided with one positioned at dynamic cutter head side
Boss, regulation caging bolt is provided with boss, it is possible to achieve the card jail of different-diameter reinforcing bar and position-limiting action, be advantageous to steel
The stability of cutter head when muscle is cut;Work head carrier bottom opens up groove, realizes the lightweight purpose of work head carrier;Quiet knife
Backplate is set on head, the reinforcing bar generation splashing cut can be prevented by backplate in shear reinforcement, injure personnel.
2)A flat key is mounted with piston rod, a bolt hole has been opened up in the middle part of flat key, utilizes an interior hexagonal spiral shell
Bolt is fixed on flat key in the flat key groove of piston rod, and during assembling, flat key just may be inserted into the corresponding guide groove of work head, work
Piston circumference turn can be prevented when making.
3)Hydraulic cylinder rear portion is provided with two chain-wales, wherein on a platform, has opened up check valve, when piston rod just
To when performing, when driving oily cavity pressure too high, oil pressure in oil pocket is driven to carry out pressure release by check valve, to reach normal oil pressure
It is horizontal;Another purpose of check valve is to realize the slow pressure release of oil pressure, i.e. oil pressure is not kept, and the oil pressure of device is moment liter
Height, to reach the purpose of fast shut-off reinforcing bar;Regulating valve 38 is provided with hydraulic cylinder on another platform, it is possible to achieve maximum
Moment oil pressure cntrol.
4)Hollow hemispherical knot is made for a kind of oil resistant rubber in software oil bag and oil sump one moulding by casting, software oil bag
Structure, this hemispherical oil, which packs tightly, to be tightly adhered on oil sump, and this oil bag and oil sump integral structure pass through oil sump nut
On the mounting interface of precession lower housing portion.In the presence of pull of vacuum, original flat software oil bag entered will strut completely, promote
Fluid is set to flow rapidly into oil pumping device assembly.
The quick breaker light structure, easy to operate, safe and reliable, service life is long, execution is quick, work noise is low and people
Machine engineering is good.
Brief description of the drawings
Fig. 1 is the assembling structure schematic diagram of the present invention;
Fig. 2 is overall structure of the explosion figure of the present invention;
Fig. 3 is present invention work head assembly three dimensional structure diagram;
Fig. 4 is inventive piston main assemblage of spring three dimensional structure diagram;
Fig. 5 is inventive piston main assemblage of spring end structure illustration;
Fig. 6 is inventive piston main assemblage of spring positive structure schematic;
Fig. 7 is valve piston structural representation of the present invention;
Fig. 8 is present hydraulic cylinder assembly end structure illustration;
Fig. 9 is present hydraulic cylinder assembly three dimensional structure diagram;
Figure 10 is regulating valve structure schematic diagram of the present invention;
Figure 11 is one-way valve structures schematic diagram of the present invention;
Figure 12 is oil pumping device assembly assembly diagram of the present invention;
Figure 13 is plunger supporting block structure of the present invention;
Figure 14 is inventive shell structural representation;
Figure 15 is handle integral type hood structural representation of the present invention;
In figure:1- work head assemblies, 10- semicolumn grooves, the quiet cutter heads of 11-, 12- dynamic cutter heads, the quiet cutter head bolts of 13-, 14- backplates,
15- boss, 16- regulation caging bolts, 17- work head major threads, 18- work head carriers, 2- piston spring assemblies, 21- pistons
Head, 22- piston rods, 23- back-moving springs, 24- valve pistons, 2401- cross position protection spring, 2402- return springs, the small work of 2403-
Chock plug, 2404- small piston rods, 2405- lock nuts, 25- piston packings, 26- special-shaped pistons hole, 27- fabrication holes I, 28 is flat
Key, 29- work head sealing rings, 3- hydraulic cylinder assemblies, 30- spill port entrances, 31- pressure oil exports, 32- hydraulic cylinders, 33- techniques
Hole II, 34- spill port, 35- way valve passageways, 36- plunger tray mounting holes, 37- regulation valve passages, 38- regulating valves, 3801-
Pressure limit spring, 3802- taper valve cores, 3803- regulation valve bodies, 39- check valves, 3901- steel balls, 3902- one-way valves
Body, 4- oil pumping device assemblies, 41- plunger trays, 4101- needle bearings, 4102- filter screens, 4103- filter screen pressing plates, 4105- oil-feeds
Deep trouth, 4106- oil pressure inlets, 4107- bolts hole, 4108- fuel feed holes, 42- ring flanges, 43- DC brushless motors, 44- are eccentric
Wheel shaft, 45- plungers, 4501- piston caps, 4502- latch brackets, 4503- long-plunger springs, 4504- small sleeves, 4505- short-plungers,
5- housing assemblies, 51- housings, 5102- housing thermovents, 5103- oil fillers, 5101- radiating floors, 52- oil sumps, 5201-
Software oil bag, 5202- oil sump nuts, 5104- flange terminal pads, 6- handle integral type hoods, 61- hoods, 6101- radiating lattice
Grid, 6202- cables, 62- handles, 6201- start buttons.
Embodiment
Below in conjunction with Figure of description, the invention will be further described.
As shown in figures 1-15, a kind of light-duty steel bar quick breaker, including work head assembly 1, piston spring assembly 2, hydraulic cylinder
Assembly 3, oil pumping device assembly 4, housing assembly 5 and handle integral type hood 6.
The head assembly 1 that works includes semicolumn groove 10, quiet cutter head 11, dynamic cutter head 12, quiet cutter head bolt 13, backplate 14, boss
15th, caging bolt 16, work head major thread 17 and work head carrier 18 are adjusted.Work head carrier 18 bottom opens up groove, and recessed
Groove is in work end position to the right, and it realizes the lightweight purpose of work head carrier, and the moving knife rostral of work head carrier is set
A boss 15 has been put, regulation caging bolt 16 is provided with boss 15, its function is that regulation caging bolt 16 can be real
The card jail of existing different-diameter reinforcing bar and position-limiting action, be advantageous to the stability of cutter head when reinforcing bar is cut.Head carrier 18 work again
One key character is that its arranged on left and right sides is asymmetric, and side connects and composes to face directly with inclined-plane, and inclined-plane is with the angle faced directly
One obtuse angle is 164.5 °, and opposite side is to face structure directly;In order to load and unload reinforcing bar, work head carrier 18 on also opened up one it is U-shaped
Breach, during shear reinforcement, reinforcing bar is just placed in this U-shaped breach;Further, close to dynamic cutter head 12 on work head carrier 18
Outlet top position has opened up a semicolumn groove 10, to facilitate the installation of dynamic cutter head 12 and dismounting;In work head carrier 18
On the quiet position of cutter head 11, pass through a hexagon socket head cap screw(Also known as " quiet cutter head bolt ")Backplate 14 and quiet cutter head 11 are fixed on work
Make on head carrier 18, on the quiet thickness direction of cutter head 11, the size of backplate 14 is bigger than the quiet thickness of cutter head 11, the backplate in shear reinforcement
The reinforcing bar that can prevent from being cut produces splashing, injures personnel;For dynamic cutter head 12, and pass through a hexagon socket head cap screw(Again
Claim " cutting blade bolt ")Dynamic cutter head 12 is installed on the head position of piston rod 22, the described head of piston rod 22 has opened up one piece
Bolt hole is opened in laminated structure, centre, is just mutually coincide with dynamic cutter head 12;Work head assembly 1 by work head major thread 17 with
Hydraulic cylinder 32 is connected with each other, and has been nested with an O-ring seals in work head major thread 17 bottom, has been prevented hydraulic cylinder oil leak, filling
During with state, a backing-up screw hole is opened up on the medium position of work head major thread 17, by a Screw work head
Assembly is limited in hydraulic cylinder 32, prevents work head assembly 1 from being loosened in operation.Foregoing dynamic cutter head 12 and quiet cutter head 11, all
It is sheet blade, the cutting edge of two cutter heads is just tangent in closed state, and blade material is steel alloy or high-speed steel;On work
Make head point, the beneficial effect of patent of the present invention is:Dynamic cutter head and the rational in infrastructure of quiet cutter head, firm stable, change conveniently, it is quiet
Cutter head is inherently provided with holding mechanism, easy to use.
Piston spring assembly 2, including piston head 21, piston rod 22, back-moving spring 23, excessively valve piston 24, position protection spring
2401st, return spring 2402, valve piston be first 2403, small piston rod 2404, lock nut 2405, piston packing 25, abnormity are living
Consent 26, fabrication hole I27, flat key 28 and work head sealing ring 29.Piston head 21 is a flat round pie structure, piston head
21 front ends have opened up an annular channel, are mounted with U-shaped sealing ring thereon(Also known as " piston packing ");The plane of piston head 21
On opened up special-shaped piston hole 26, be mounted with valve piston 24, the main part of valve piston 24 is also by valve piston first 2403 and small work
Stopper rod 2404 is formed, and small piston rod 2404 is a stepped cylinder body, and the head of small piston rod 2404 is thinner, and bottom is thicker,
An outer conduit is opened up near the thickness separation of small piston rod 2404, the inside is assembled with a small clip, to lock nut
2405 progress are spacing, prevent it from being slided to thinner bar portion, and the bottom of lock nut 2405 has been nested with a return spring 2402, on
Portion has been nested with one and has crossed position protection spring 2401, and the rigidity and size of return spring 2402 all relatively cross position protection spring 2401
Greatly;A sharp mouth shape breach, in device original state, valve piston have respectively been opened up in two relative positions in special-shaped piston hole 26
First 2403 just cover special-shaped piston hole 26 and close, and fluid can not be by special-shaped piston hole 26 in the both sides cavity of piston head 21
Between flow, when piston head 21, forward direction is moved to extreme position in the presence of oil pressure, now, the mistake at the top of small piston rod 2404
Position protects spring 2401 to be contacted with the head assembly 1 that works, and limitation valve piston 24 moves ahead, and now valve piston 24 is special-shaped to reverse movement
Piston hole 26 is opened, and oil pressure release, fluid is flowed between the both sides cavity of piston head 21, and fluid is directly flowed back.Piston rod
A flat key groove has been opened up on 22, has been mounted with a flat key 28 on the piston rod, a bolt hole has been opened up at the middle part of flat key 28,
Flat key 28 is fixed in the flat key groove of piston rod using a hexagon socket head cap screw, during assembling, flat key 28 just may be inserted into work
Make in first 1 corresponding guide groove, piston circumference turn can be prevented during work;The head of piston rod 22 has opened up moving knife head thread
Hole, the head of piston rod 22 are processed " L " shape structure, the head of piston rod 22 that dynamic cutter head 12 is fixed by hexagon socket head cap screw;It is living
Stopper rod 22 is anterior with being also assembled with another U-shaped sealing ring on the rigging position of work head assembly 1, prevents fluid from leaking outside.
Hydraulic cylinder assembly 3, spill port entrance 30, pressure oil export 31, hydraulic cylinder 32, fabrication hole II33, spill port 34, list
To valve passage 35, plunger tray mounting hole 36, regulation valve passage 37, regulating valve 38, pressure limit spring 3801, taper valve core
3802nd, valve body 3803, check valve 39, steel ball 3901 and check valve valve body 3902 are adjusted.Hydraulic cylinder 32 is a cylindric knot
Structure, a backing-up screw hole is opened up in the front portion of hydraulic cylinder 32, two chain-wales are provided with the rear portion of hydraulic cylinder 32, wherein one
On individual platform, check valve 39 has been opened up(Also known as " relief valve "), its inside have a steel ball 3901, mainly when piston rod 22 just
To when performing, when driving oily cavity pressure too high, oil pressure in oil pocket is driven to carry out pressure release by check valve 39, to reach normal oil
Voltage levels;Another purpose of check valve 39 is to realize the slow pressure release of oil pressure, i.e. oil pressure is not kept, and the oil pressure of device is wink
Between raise, to reach the purpose of fast shut-off reinforcing bar.Regulating valve 38 is provided with hydraulic cylinder 32 on another platform, it is main real
Existing maximum instantaneous oil pressure cntrol, by the pressure limit spring for screwing degree, giving regulating valve 38 for adjusting the regulating valve cap nut
3801 different thrusts, to reach different maximum instantaneous oil pressure levels, when oil pressure is more than in driving oil pocket in hydraulic cylinder 32
During pressure limit 3801 thrust of spring of regulating valve 38, the taper valve core 3802 of regulating valve 38 is jacked up, and discharges corresponding oil
Pressure, to reach normal oil pressure level.On the side plane of hydraulic cylinder 32, multiple oilholes have been opened up, have mainly included pressure oil export
31st, spill port 34, way valve passageway mouth 35, regulating valve passway 37;Also opened up on the side plane of hydraulic cylinder 32 multiple mounting holes or
Fabrication hole, mainly including hydraulic cylinder mounting hole, plunger tray mounting hole 36, fabrication hole II33;Pressure oil export 31 1 shares three
Device to hole, each pair are positioned next to, and a shallower U-shaped counterbore is all provided with the hole site of each pair pressure oil export 31, is pacified above
Filled sealing ring, a pair of pressure oil exports 31 with another pair pressure oil export 31 in same circumference into 120 °, therefore circumferential upper three
Pressure export 31 is uniformly distributed into 120 °;Corresponding plunger tray mounting hole 36 also has three pairs, circumferential upper three pairs of plunger trays
Mounting hole 36, just into being interspersed, is uniformly distributed in the circumferential and into 120 °, plunger tray with three pairs of pressure oil exports 31
Circle diameter residing for mounting hole 36 is smaller than the circle diameter residing for the hole of pressure oil export 31;In addition, in described hydraulic cylinder
32 sides have most opened up ball bearing on middle part, it is notable that opened up on the inside of the cylinder of hydraulic cylinder 32 on cylinder
One spill port entrance 30, the spill port entrance 30 on this cylinder is just at the direct limit position of piston head 21;Hydraulic pressure
Cylinder 32 has above opened up a shallow grooves in position, be provided with thereon sheath and colored cover strip above it as alarm and prompt with
Model parameter declaration, the unexpected injury that user is subject to can be reduced.
Oil pumping device assembly 4 includes plunger tray 41, needle bearing 4101, filter screen 4102, filter screen pressing plate 4103, oil-feed depth
Groove 4105, oil pressure inlet 4106, bolt hole 4107, fuel feed hole 4108, ring flange 42, DC brushless motor 43, camshaft 44,
Plunger 45, piston cap 4501, latch bracket 4502, long-plunger spring 4503, small sleeve 4504 and short-plunger 4505.Brush DC electricity
The shaft end of machine 43 is connected with each other by bolt and ring flange 42, and ring flange 42 has also begun to four bolts hole close to outer rim position, is led to
Cross four bolts to be fixed on above plunger tray 41 ring flange 42 and DC brushless motor 43, above described plunger tray 41
Six bolts hole are opened up, plunger tray 41 is fixed in the respective planes of the pump oil side of hydraulic cylinder 32 by six stay bolts.Directly
It is an axle to flow among brushless electric machine 43, and the part for stretching out motor is made up of camshaft 44, and camshaft 44 has multiple cylinders
Step, in confined state, the position of camshaft 44 just reaches the inside of needle bearing 4101 of the center of plunger tray 41,
Described needle bearing 4101 is contacted with three uniform plungers 45, and three plungers 45 are installed in 41 corresponding hole of plunger tray,
It is further noted that piston cap 4501 and 41 corresponding hole of plunger tray are into interference fit relation.Described plunger tray 41, it is
One porous block three-prong structure, one of narrow oil-feed deep trouth 4105 is cut out above each pin of plunger tray 41, work
Under state, pressure oil flows through oil-feed deep trouth 4105 and reaches the position of plunger 45.Described plunger 45 is made up of multiple parts, main bag
Plunger barrel 4504, long-plunger spring, latch bracket 4502, short-plunger spring, plunger sealing washer, piston cap 4501 etc. are included, wherein, post
Cock cap 4501 is interference fit relation with corresponding hole in plunger tray 41, and O is assembled with the outer conduit at the middle part of piston cap 4501
Type sealing ring, is provided with a latch bracket 4502 between described piston cap 4501 and plunger barrel 4504, latch bracket 4502 is upper and lower
Position correspondingly contradicts short-plunger spring 4505 and long-plunger spring 4503, it is further noted that plunger barrel 4504 is in plunger hole
It can slide, because plunger barrel 4504 contacts with needle bearing 4101, and needle bearing 4101 is arranged on camshaft 44, when
When camshaft 44 produces rotary motion, plunger barrel 4504 is driven to produce reciprocating motion, plunger 45 is constantly reciprocally by long and narrow
Oil-feed deep trouth 4105, constantly fluid pump to the side of hydraulic cylinder 32.In order to prevent needle bearing 4101 from the peace of plunger tray 41
Fill in hole, and prevent the end wear of needle bearing 4101, sliding shim and card are mounted with the side of needle bearing 4101
Hoop.It is further noted that opened up fuel feed hole 4108 between three pin of plunger tray 41, one in described fluid hole upper cover
Individual L-type filter screen, L-type filter screen is pressed on plunger tray by filter screen pressing plate and stay bolt.
Housing assembly 5 include housing assembly 5, housing 51, housing thermovent 5102, oil filler 5103, radiating floor 5101,
Oil sump 52, software oil bag 5201, oil sump nut 5202 and flange terminal pad 5104.The lower section of oil sump 52 is provided with oil sump
Nut 5202, software oil bag 5201, software oil bag 5201 and 52 integral moulding by casting of oil sump, software oil are set on oil sump 52
Bag 5201 is that hollow hemispherical structure is made in a kind of oil resistant rubber, and this hemispherical oil, which packs tightly, to be tightly adhered on oil sump 51, this
On individual oil bag and mounting interface of the integral structure of oil sump 51 by the bottom of 5202 precession housing of oil sump nut 51.In vacuum
In the presence of suction, original flat software oil bag 5201 entered will strut completely, promote fluid to flow rapidly into oil pumping device assembly
4.Described housing 51 is made of aluminium, and housing 51 is typically made using casting technique, in order to allow DC brushless motor 43 faster,
Preferably radiate, a housing thermovent 5102 has been opened up close to motor power output end on housing 51, because fluid is inclined
Accumulate heat under the continuous running situation of the part such as heart wheel shaft 44, plunger 45, in order to allow fluid heat it is more preferable, quickly shed
Go, to reach balance, multiple tracks radiating floor 5101 is provided with housing, increases area of dissipation.For fixed shell 51, in shell
The front end and rear end of body 51 are provided with flange terminal pad 5104, and by four hexagon socket head cap screws, housing 51 is fixed on hydraulic cylinder
On 32 relevant position;By four stay bolts and copper backing, housing 51 is fixed on handle integral type hood 6.
Handle integral type hood 6, including handle integral type hood 6, hood 61, heat dissipation grid 6101, cable 6202, hand
Handle 62 and start button 6201.Handle 62 is to be integrally formed with hood 61, in order to install handle integral type hood, in the folding of handle 62
Two bolts hole have been opened up on the arc cylinder of curved segment lower end, the bolt hole of four has been opened up on the flange face of hood 61, have been pacified
Under dress state, it is fixed on by two bending section lower end arc cylinders of bolt handle 62 in two bolts hole of hydraulic cylinder 32,
Hood 61 is fixed on housing 51 by four stay bolts.In order to more securely fix hood 61, the flange of hood 61 is thick
Degree is thicker, a plurality of heat dissipation grid 6101 is provided with the rear end of hood 61, heat when DC brushless motor 43 is run will be from this
Individual grid sheds.For the ease of controlling DC brushless motor 43, start button is provided with the position front of shaking hands of handle 62
6201, the cable 6202 of DC brushless motor 43 is stretched out from the rear portion bending section of handle 62, and power supply is inserted by cable plug,
Electric energy is provided to DC brushless motor 43;DC brushless motor 43 is connected with oil pumping device assembly 4 by shaft coupling, brush DC
Hydraulic pressure pump oil assembly of devices 4 is driven when motor 43 rotates, produces the hydraulic fluid that high pressure reaches 70-90MPa, drives piston rod 22 to make
Forward travel, cut material body is cut when piston rod 22 advances with dynamic cutter head 12.
Although the present invention is disclosed above by preferred embodiment, but is not limited to the present invention, this any known skill
Skill person, without departing from the spirit and scope of the present invention, a little change and retouching can be made, therefore protection scope of the present invention is worked as
It is defined depending on claims scope claimed.
Claims (10)
1. a kind of light-duty steel bar quick breaker, it is characterised in that including housing assembly(5), be fixedly installed on housing assembly(5)One end
Hydraulic cylinder assembly(3), fixed setting housing assembly(5)The handle integral type hood of the other end(6)And to be arranged on hydraulic cylinder total
Into(3)The work head assembly of end(1), the work head assembly(1)With hydraulic cylinder assembly(3)Piston spring is provided between inside
Assembly(2), the hydraulic cylinder assembly(3)With housing assembly(5)Oil pumping device assembly is provided between inside(4);The work head
Assembly(1)Including the head carrier that works(18)And it is arranged on work head carrier(18)On dynamic cutter head(12), quiet cutter head(11);It is described
Piston spring assembly(2)Including piston head(21)And piston rod(22), the piston rod(22)Head offer dynamic cutter head spiral shell
Pit, the dynamic cutter head(12)It is fixed on by hexagon socket head cap screw in dynamic cutter head screwed hole;The housing assembly(5)Including housing
(51)And and housing(51)The oil sump being fixedly connected(52);The hydraulic cylinder assembly(3)Including hydraulic cylinder(32), the hydraulic pressure
Cylinder(32)One group of pressure oil export is offered on end plane(31);The oil pumping device assembly(4)Including DC brushless motor
(43), be arranged on DC brushless motor(43)On camshaft(44), be arranged on camshaft(44)The plunger tray of end
(41)And it is arranged on plunger tray(41)On one group of plunger(45), the plunger tray(41)On offer one group of oil-feed deep trouth
(4105), and close to oil-feed deep trouth(4105)Opening position offers pressure oil-in(4106), the plunger tray(41)It is interior
Portion is provided with needle bearing(4101), the camshaft(44)It is equipped with needle bearing(4101)It is interior, and in brush DC
Motor(43)Drive under, camshaft(44)Successively with plunger(45)Extruding contact so that oil sump(52)It is interior to obtain pressure oil
From oil-feed deep trouth(4105)Into pressure oil-in(4106), then pass through pressure oil export(31)Into hydraulic cylinder(32)It is interior, from
And make piston rod(22)Promote dynamic cutter head(12)Carry out shearing work.
A kind of 2. light-duty steel bar quick breaker according to claim 1, it is characterised in that the work head carrier(18)On
Positioned at dynamic cutter head(12)With quiet cutter head(11)Between position offer for reinforcing bar place U-shaped breach;The work head carrier
(18)Side connected and composed with ramp structure using facing structure directly, structure, the work head carrier are faced in opposite side use directly
(18)End is provided with work head major thread(17), the work head major thread(17)Bottom is equipped with O-ring seals;The work
Head major thread(17)Backing-up screw hole is offered on medium position, by screw by work head assembly(1)It is limited in hydraulic cylinder
(32)It is interior;The work head carrier(18)On be provided with boss positioned at dynamic cutter head side(15), the boss(15)It is provided with and uses
In the regulation caging bolt that different-diameter reinforcing bar card is firm and spacing(16);Described work head carrier(18)Bottom, which offers, to be used for
The groove of loss of weight;The work head carrier(18)On close to dynamic cutter head(12)Opened up above position and be easy to dynamic cutter head(12)Peace
Dress and the semicolumn groove of dismounting(10);The quiet cutter head(11)It is provided with backplate(14);The dynamic cutter head(12)And quiet cutter head
(11)Use sheet blade, and the cutting edge of two cutter heads is just tangent in closed state, blade material using steel alloy or
High-speed steel.
A kind of 3. light-duty steel bar quick breaker according to claim 1, it is characterised in that the piston head(21)Using flat
Round pie structure, piston head(21)Front end offers annular channel, and is provided with piston packing in annular channel;The work
Stopper rod(22)Head uses L-shaped structure, piston rod(22)On be arranged with back-moving spring(23), the piston rod(22)On offer
Flat key groove, flat key groove is interior to be provided with flat key(28), the flat key(28)Middle part offers bolt hole, and by hexagon socket head cap screw flat
Key(28)It is fixed on piston rod(22)Flat key groove in;The piston rod(22)Anterior and work head assembly(1)On rigging position
Provided with work head sealing ring.
A kind of 4. light-duty steel bar quick breaker according to claim 1 or 3, it is characterised in that the piston head(21)Surface
Offer special-shaped piston hole(26), the special-shaped piston hole(26)On two relative positions at offer sharp mouth shape respectively and lack
Mouthful, the special-shaped piston hole(26)It is interior to be provided with valve piston(24), the valve piston(24)Including valve piston head(2403)And small work
Stopper rod(2404), the small piston rod(2404)Using stepped cylinder body structure, head is thinner, and bottom is thicker, and close
Small piston rod(2404)Thickness separation opening position offers outer conduit, and small clip is provided with the outer conduit;The valve piston
Bar(2404)It is provided with lock nut(2405), the lock nut(2405)Bottom is arranged with return spring(2402), top
It was arranged with position protection spring(2401).
A kind of 5. light-duty steel bar quick breaker according to claim 1, it is characterised in that the hydraulic cylinder(32)Using cylinder
Shape structure, hydraulic cylinder(32)Front portion offers backing-up screw hole, the hydraulic cylinder(32)Hydraulic cylinder peace is also opened up on end plane
Fill hole and plunger tray mounting hole(36);The pressure oil export(31)Provided with three pairs, each pair is positioned next to, and each pair pressure oil
Outlet(31)U-shaped counterbore is all set on position, and sealing ring is installed on U-shaped counterbore, three pairs of pressure oils go out(31)It is arranged at
On same circumference, and it is adjacent between angle be 120 °;The plunger tray mounting hole(36)Three pairs also are provided with, circumferential upper plug support
Block mounting hole(36)With pressure oil export(31)It is interspersed, and plunger tray mounting hole(36)Angle between adjacent in the circumferential
Also it is 120 °;The plunger tray mounting hole(36)Residing circle diameter is less than pressure oil export(31)Residing circumference is straight
Footpath;The hydraulic cylinder(32)End middle position is provided with ball bearing, hydraulic cylinder(32)Inwall be located at piston direct limit
Place offers spill port entrance on position(30), the hydraulic cylinder(32)Front offer shallow grooves, installed in shallow grooves
There are sheath and colored cover strip.
A kind of 6. light-duty steel bar quick breaker according to claim 1, it is characterised in that the hydraulic cylinder(32)Rear portion is set
Two chain-wales, check valve is set on one of platform(39), regulating valve is set on another platform(38), the check valve
(39)Including check valve valve body(3902)And check valve valve body is set(3902)The steel ball of front end(3901);The regulating valve(38)
Including adjusting valve body(3803), be arranged on regulation valve body(3803)The taper valve core of front end(3802)And it is arranged on regulating valve
Valve body(3803)With taper valve core(3802)Between pressure limit spring(3801);The hydraulic cylinder(32)Opened on end plane
Provided with spill port(34)With check valve(39)The way valve passageway hole of connection(35)And and regulating valve(38)The regulating valve of connection is led to
Road hole(37).
A kind of 7. light-duty steel bar quick breaker according to claim 1, it is characterised in that the DC brushless motor(43)Axle
End is provided with ring flange(42), the ring flange(42)Bolt hole is offered close to outer fringe position, will be ring flange by bolt
(42)With DC brushless motor(43)It is fixed on plunger tray(41)On, the plunger tray(41)Stay bolt is offered above
Hole, by stay bolt plunger tray(41)It is fixed on hydraulic cylinder(32)On, the plunger tray(41)Using porous block three
Leg structure, plunger tray(41)Each pin on offer oil-feed deep trouth(4105), the plunger tray(41)Three pin
Between opened up fuel feed hole(4108), the fuel feed hole(4108)It is provided with filter screen(4102), the filter screen(4102)It is provided with
Filter screen pressing plate(4103), pass through filter screen pressing plate(4103)Filter screen is pressed in plunger tray with stay bolt(41)On.
A kind of 8. light-duty steel bar quick breaker according to claim 1, it is characterised in that the plunger(45)Including plunger barrel
(4504), short-plunger spring(4505), long-plunger spring(4503)And piston cap(4501), the piston cap(4501)With plunger
Tray(41)Interior corresponding hole interference fit, piston cap(4501)Middle part is provided with water jacket, and is provided with plunger sealing washer, institute in water jacket
The piston cap stated(4501)With plunger barrel(4504)Between be provided with latch bracket(4502);The latch bracket(4502)Upper and lower parts
It is corresponding to contradict short-plunger spring(4505)And long-plunger spring(4503), the needle bearing(4101)Side installation settings pad
Piece and clip.
A kind of 9. light-duty steel bar quick breaker according to claim 1, it is characterised in that the oil sump(52)It is provided with soft
Body oil bag(5201), and oil sump(52)Wrapped with software oil(5201)With being integrally formed, the software oil bag(5201)Using resistance to
Hollow hemispherical structure, the oil sump is made in oily rubber(52)Lower section is provided with oil sump nut(5202), and oil sump(52)
Pass through oil sump nut(5202)With housing(51)It is fixedly connected;The housing(51)It is made of aluminium, housing(51)On set
There is one group of radiating floor(5101), housing(51)It is upper to offer housing thermovent at motor position(5102), housing(51)
Front and back end be equipped with flange terminal pad(5104), housing(51)Pass through flange terminal pad(5104)Respectively with hydraulic cylinder assembly
(3)And handle integral type hood(6)It is fixedly connected.
A kind of 10. light-duty steel bar quick breaker according to claim 1, it is characterised in that the handle integral type hood
(6), including handle(62)And hood(61), the handle(62)With hood(61)It is integrally formed, handle(62)Bending section under
Bolt hole is offered on the arc cylinder of end, passes through bolt handle(62)Bending section lower end arc cylinder to be fixed on hydraulic cylinder total
Into(3)On, hood(61)Flange face on offer stay bolt hole, by stay bolt by hood(61)It is fixed on housing, institute
State hood(61)Rear end be provided with one group of heat dissipation grid(6101), the handle(62)Anterior start button is set
(6201), the handle(62)Inside uses hollow structure, and rear portion bending section is provided with through hole, cable is provided with through hole
(6202), start button(6201)Pass through cable(6202)It is connected with power supply.
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CN201710680129.5A CN107497970B (en) | 2017-08-10 | 2017-08-10 | Light steel bar quick breaker |
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Cited By (5)
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CN108105060A (en) * | 2018-01-10 | 2018-06-01 | 浙江工业大学 | A kind of squeezer of integrated high pressure plunger-type fuel pump driving |
CN109026862A (en) * | 2018-09-11 | 2018-12-18 | 杭州众拓科技有限公司 | The hydraulic device of pressure adjustable |
CN111421082A (en) * | 2020-03-19 | 2020-07-17 | 青建国际集团有限公司 | Reinforcing bar cutting equipment with reinforcing bar locate function |
CN112796973A (en) * | 2020-12-03 | 2021-05-14 | 欧盾科技有限公司 | Short body type electric hydraulic tool |
CN117696760A (en) * | 2024-02-18 | 2024-03-15 | 常州斯比达自动化设备有限公司 | Numerical control plunger assembly closing-in device |
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CN109026862B (en) * | 2018-09-11 | 2023-08-08 | 欧盾科技有限公司 | Pressure-adjustable bending machine |
CN111421082A (en) * | 2020-03-19 | 2020-07-17 | 青建国际集团有限公司 | Reinforcing bar cutting equipment with reinforcing bar locate function |
CN112796973A (en) * | 2020-12-03 | 2021-05-14 | 欧盾科技有限公司 | Short body type electric hydraulic tool |
CN117696760A (en) * | 2024-02-18 | 2024-03-15 | 常州斯比达自动化设备有限公司 | Numerical control plunger assembly closing-in device |
CN117696760B (en) * | 2024-02-18 | 2024-04-23 | 常州斯比达自动化设备有限公司 | Numerical control plunger assembly closing-in device |
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