CN2034508U - Inertia power wrench - Google Patents
Inertia power wrench Download PDFInfo
- Publication number
- CN2034508U CN2034508U CN 88200204 CN88200204U CN2034508U CN 2034508 U CN2034508 U CN 2034508U CN 88200204 CN88200204 CN 88200204 CN 88200204 U CN88200204 U CN 88200204U CN 2034508 U CN2034508 U CN 2034508U
- Authority
- CN
- China
- Prior art keywords
- spanner
- box spanner
- clutch
- wrench
- flywheel
- 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.)
- Expired - Lifetime
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- 230000008859 change Effects 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 210000000078 claw Anatomy 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to an inertia power wrench which is used for dismounting and mounting the connection of bolts and nuts with tightening torque of control standard. The wrench is characterized in that the wrench adopts a torque adjustable safety clutch. The wrench controls the output of the torque through the balance of the clamping force and the loading force of the clutch. Another characteristic of the wrench is that the wrench can confirm outputting torque through the detection of the speed change of a flywheel. The wrench can be used for mounting and dismounting the joint of the bolts and nuts with tightening torque of control standard such as dismounting and mounting of the bolts and the nuts of vehicle tyres, the bolts of U-shaped steel plates, etc. The inertia power wrench has the advantages of small volume, large adjustable range of torque, small power of power source and favorable quality of work.
Description
The utility model is the wrench for dismounting that a kind of bolt, nut connect, and particularly bolt, nut screwing clamping moment of torsion is had the wrench for dismounting of the connection of control criterion.
Existing bolt, nut changer roughly have following several form: pneumatic, hydraulic spanner, electric wrench.There is the deceleration of employing to increase the formula of turning round, electronic circumference impacting type, axial screw impact type.These spanners all are widely used in the mechanical engineering.Yet, there are many machineries that bolt, nut are connected the screw-down torque standard of having stipulated along with industrial expansion.Though what have in the above-mentioned spanner has the moment of torsion of deciding control, consider adjustable range, the mechanism of operating efficiency, the moment of torsion of assembling-disassembling bolt complexity, use easy to operate etc., equal some weak points.
For example DRP product P L300CH, PL600CH ... the hydraulic torque wrench of spline generating gear mechanism, the lightweight hydraulic spanner of high pulling torque, adjustable moment of torsion, compact conformation is provided to market.But the spanner operating efficiency when assembling-disassembling bolt that is acted on spline generating gear mechanism by hydraulic cylinder has certain limitation, and this kind spanner must dispose the pumping plant PH200CN of small-sized big output in addition, so this kind spanner price is also higher.
Example: the dismounting of doughnut bolt, stipulated the screw-down torque of tire bolt according to " JT3101-81 " vehicle repair technical standard.Because after the automobilism, the corrosion of bolt, nut, dirt causes dismounting torsion will be far longer than screw-down torque, and the operating mode during motor vehicle repair is poor, therefore domestic tire bolt changer does not so far also reach this service technique standard, causes a large amount of tire bolts, nut to be scrapped because of the mistake screw-down torque damages to fracture; Also, not enough screw-down torque walks to fly to have taken place traffic accident because of causing tire.This is long-term an open question in the motor vehicle repair technology.
The purpose of this utility model is that a kind of big kinetic energy apparatus will be provided, and the enough big impulsive moment of output reaches the purpose of exporting adjustable moment of torsion when assembling-disassembling bolt, nut.
The purpose of this utility model is achieved in that it is made up of power source, inertial flywheel, adjustable moment of torsion overload-release clutch, the box spanner that can make flywheel obtain to engage behind the kinetic energy.Power source drives inertial flywheel indirectly or directly, and the driving disc spacing pressing of adjustable moment of torsion overload-release clutch connects with inertial flywheel or the rotation that tightens together.In the chucking power of clutch (can spring force, hydraulic coupling, aerodynamic force etc.) effect down, the joint element in the clutch (routine steel ball, tooth embedding, frictional disk etc.) engages master and slave Moving plate (or axle), rotates synchronously.Be equipped with at the output of clutch plate (or axle) and can make flywheel obtain the box spanner that engages behind the kinetic energy, this box spanner can be the box spanner of hand dynamic interlocking teeth clutch; The several claw collars of suit on the driven shaft of rotation be can adopt,, the claw collar of several suits, the box spanner of the driven claw collar of joint engaged successively when the revolution that the active jaw cover rotates with the axis and stipulates; Artificial joint can also be adopted and box spanner of throwing off or the like can be automatically reset.Lifting storage by the inertial flywheel rotating speed and discharge kinetic energy, by the enough big impulsive moment of box spanner output, the purpose that chucking power and the load equilibrium of forces by clutch reaches moment of torsion control.The chucking power of clutch is adjustable, thereby reaches the purpose that spanner is exported adjustable moment of torsion.
It all is traditional frame for movement that this programme adopts the folder power apparatus (spring, hydraulic pressure etc.) of flywheel, adjustable moment of torsion overload-release clutch and clutch.The box spanner that can make flywheel obtain to engage behind the kinetic energy is a disengaging type box spanner with time-delay engagement function, also is traditional frame for movement, makes no specific (special) requirements.Adjustable moment of torsion overload-release clutch is the normally closed type clutch, and the defectives such as sliding function consumption and noise of rubbing when it has avoided high slip clutch only play the purpose of moment of torsion control.Employing can make flywheel obtain the box spanner that engages behind the kinetic energy, because time-delay and driven member (sleeve) inertia are very little, has improved mechanical working condition and work quality widely, simultaneously owing to the effect of flywheel, has reduced the power of power source.If adopt adjustable moment of torsion steel ball hydraulic safe clutch, operating noise is little, but torque digital display or realization automatic control are desirable adjustable moment of torsion assembling-disassembling bolt, the power operated wrench of nut.
The purpose of this utility model also can be achieved like this: it is made up of power source, inertial flywheel, power transmission shaft, the box spanner and the inertial flywheel rotation speed change measurement mechanism that can make flywheel obtain to engage behind the kinetic energy.Power source drives inertial flywheel indirectly or directly, and power transmission shaft connects with flywheel or the rotation that tightens together.Be equipped with at the output of power transmission shaft and can make flywheel obtain the box spanner that engages behind the kinetic energy,,, just can determine output torque, thereby reach the purpose of moment of torsion control by the rotation speed change of mensuration flywheel by the enough big impulsive moment of box spanner output.
This programme adopts flywheel, power transmission shaft, can make the box spanner that engages behind the flywheel acquisition kinetic energy all is traditional frame for movement, easy to manufacture, simple in structure, the optional combo dress of rotation speed change measurement mechanism, can be contained in the rear end of power transmission shaft, also can be contained in the rotation speed change that flywheel is measured at the first-class position of frame.This infrastructure cost is low, in light weight, volume is little, the manufacturing cycle is short, noiseless power operated wrench.
The concrete structure of utility model is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the embodiment that first kind of scheme of utility model realizes purpose, is the structure chart of automotive tyre nut changer.It is made up of frame (1), motor (2), inertial flywheel (3), bearing (4), adjustable moment of torsion overload-release clutch (5), box spanner (6).
Fig. 2 is the cutaway view of adjustable moment of torsion overload-release clutch (5) among Fig. 1, and it is made up of driving disc spacing pressing (7), bearing (8), steel ball joint element (9), clutch plate (10), thrust bearing (11), supporting (12), bearing (13), hydraulic pressure chucking power (14) (not marking among the hydraulic means figure), housing (15).
Fig. 3 is the cutaway view of Fig. 1 middle sleeve spanner (6), and it is made up of active jaw cover (16), claw collar (17), driven claw collar (18), bearing (19).
Motor (2) is fastened on the frame (1), makes inertial flywheel (3) rotation through the gear reduction of speed, and the driving disc spacing pressing (7) that is bearing on the bearing (4) rotates with flywheel (3) key connecting.Under the effect of hydraulic pressure chucking power (14), supporting (12) presses thrust bearing (11), then be pressed on the steel ball (9) of the activity in equally distributed several post holes, garden of clutch plate (10) garden week, steel ball tightly is embedded in the tooth embedding of driving disc spacing pressing (7) end face garden Zhou Junbu.When the driving disc spacing pressing rotation drives the steel ball that is recessed in the tooth embedding, steel ball drives clutch plate (10), cause master and slave Moving plate to rotate synchronously, the active jaw cover (16) that connects or be fastened on clutch plate and the output shaft rotates the revolution of regulation with axle, engage several claw collars (17) that are sleeved on the axle successively, engage driven claw collar tube (18) then, the output impulsive moment.The purpose that chucking power and load equilibrium of forces by clutch reaches moment of torsion control.This machine hydraulic coupling is reflected that by Pressure gauge hydraulic coupling is adjustable, is converted into moment of torsion.
Fig. 4 is the embodiment that second kind of scheme of utility model realizes purpose, be the structure chart of a manual inertia power operated wrench, it is made up of rotation speed change measurement mechanism (20), handgrip (21), bearing (22), inertial flywheel (23), power source (24), power transmission shaft (25), box spanner (26).This routine power source (24) is a manpower, and box spanner (26) is to make flywheel obtain the box spanner that engages behind the kinetic energy, and its structure as shown in Figure 3.
During use, pinch handgrip (21) with hand, other end box spanner (26) is sleeved on by on the bolt of dismounting, the nut, and whole tumbler is bearing on the bearing (22) and the bearing (19) in the driven claw collar tube (18) in the handgrip (21).Make inertial flywheel (23) rotation with manpower (24), power transmission shaft (25) connects with inertial flywheel or the rotation that tightens together, and is being hinged with box spanner (26) at the output of power transmission shaft, exports impulsive moment by the driven claw collar tube (18) in the box spanner.Rotation speed change measurement mechanism (20) can insert the power transmission shaft rear end, measures the rotation speed change of flywheel, thereby determines output torque.Can not adorn the rotation speed change measurement mechanism when experienced operators is used at ordinary times,, thereby determine output torque roughly as long as just can determine angular speed, the angular deceleration of flywheel roughly with the size of the application of force.The rotation speed change measurement mechanism only plays calibration function, and product description provides the chart that concerns of the rotation speed change of inertial flywheel and spanner output torque.
Claims (10)
1, a kind ofly is used for the inertia power operated wrench that assembling-disassembling bolt, nut screwing clamping moment of torsion have control criterion, this spanner comprises power source (2), inertial flywheel (3) and box spanner (6), feature of the present utility model is that inertial flywheel (3) is connecting an adjustable moment of torsion overload-release clutch (5), is adorning a box spanner (6) on the output of the driven shaft of clutch (5).
2,, it is characterized in that this clutch (5) is adjustable moment of torsion steel ball safety clutch according to the described spanner of claim (1).
3,, it is characterized in that this clutch (5) is adjustable moment of torsion steel ball hydraulic safe clutch according to claim 1,2 described spanners.
4, spanner according to claim 1 is characterized in that this box spanner (6) is to make flywheel obtain the box spanner that engages behind the kinetic energy.
5, according to claim 1,4 described spanners, it is characterized in that this box spanner (6) is that employing suit on rotating shaft several claw collars (17), when active jaw cover (16) rotate with the axis the regulation revolution, engage several claw collars successively, engage the box spanner of driven claw collar tube (18).
6, this inertia power operated wrench also can be made up of power source (24), inertial flywheel (23), power transmission shaft (25) and box spanner (26), and feature of the present utility model is to have the rotation speed change measurement mechanism (20) of measuring inertial flywheel (23).
7, spanner according to claim 6, the rotation speed change measurement mechanism (20) that it is characterized in that inertial flywheel (23) can insert the rear end of power transmission shaft (25) or be installed on the frame to be measured.
8, spanner according to claim 6 is characterized in that box spanner (26) is to make flywheel obtain the box spanner that engages behind the kinetic energy.
9, according to claim 6,8 described spanners, it is characterized in that box spanner (26) is that employing suit on rotating shaft several claw collars (17), when active jaw cover (16) rotate with the axis the regulation revolution, engage several claw collars successively, engage the box spanner of driven claw collar tube (18).
10, spanner according to claim 6 is characterized in that power source (24) is a manpower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88200204 CN2034508U (en) | 1988-01-10 | 1988-01-10 | Inertia power wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88200204 CN2034508U (en) | 1988-01-10 | 1988-01-10 | Inertia power wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2034508U true CN2034508U (en) | 1989-03-22 |
Family
ID=4835680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88200204 Expired - Lifetime CN2034508U (en) | 1988-01-10 | 1988-01-10 | Inertia power wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2034508U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1939669B (en) * | 2006-09-18 | 2011-01-05 | 浙江金字机械电器有限公司 | Electric spanner with variable torsional moment |
| WO2014056226A1 (en) * | 2012-10-14 | 2014-04-17 | Yuan Dejun | Balanced-force wrench |
| CN105899332A (en) * | 2013-12-20 | 2016-08-24 | 阿特拉斯·科普柯工业技术公司 | A power tool for tightening a fastener and a method |
| CN110842840A (en) * | 2019-12-30 | 2020-02-28 | 贵州永昌福科技有限公司 | Labor-saving quick wrench |
-
1988
- 1988-01-10 CN CN 88200204 patent/CN2034508U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1939669B (en) * | 2006-09-18 | 2011-01-05 | 浙江金字机械电器有限公司 | Electric spanner with variable torsional moment |
| WO2014056226A1 (en) * | 2012-10-14 | 2014-04-17 | Yuan Dejun | Balanced-force wrench |
| CN105899332A (en) * | 2013-12-20 | 2016-08-24 | 阿特拉斯·科普柯工业技术公司 | A power tool for tightening a fastener and a method |
| CN105899332B (en) * | 2013-12-20 | 2017-10-31 | 阿特拉斯·科普柯工业技术公司 | Power tool for tightening a fastener and method |
| CN110842840A (en) * | 2019-12-30 | 2020-02-28 | 贵州永昌福科技有限公司 | Labor-saving quick wrench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |