CN109015501A - Digital display oil pressure pulse wrench - Google Patents
Digital display oil pressure pulse wrench Download PDFInfo
- Publication number
- CN109015501A CN109015501A CN201811023668.2A CN201811023668A CN109015501A CN 109015501 A CN109015501 A CN 109015501A CN 201811023668 A CN201811023668 A CN 201811023668A CN 109015501 A CN109015501 A CN 109015501A
- Authority
- CN
- China
- Prior art keywords
- digital display
- induction
- torque
- oil pulse
- main shaft
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/145—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers
Abstract
The invention discloses a digital display oil pressure pulse wrench, which aims to solve the technical problem that the torque cannot be accurately adjusted by the conventional product and aims to enable a user to visually see the torque value so as to adjust the wrench. According to the scheme, the induction gasket is mounted on the main shaft to transfer magnetic conductivity, the sensor and the data line are used for transferring the magnetic conductivity to the terminal controller, the terminal controller is designed to be capable of converting numerical modes to display a torque value in front of a user, intelligent display is achieved, and accurate reading is achieved.
Description
Technical field
The present invention relates to fastening tool technical field, in particular to a kind of digital display oil pulse spanner.
Background technique
Torque value for hydraulic spanner using most important, but at present existing most of hydraulic spanners want it is conventional
Torque value is tested, needs to obtain pressure value Mpa by testing on a hydraulic press, then goes check and correction to obtain torque with torsion calibration spanner
Value N.m adjusts torque further according to numerical value, needs to calibrate repeatedly, adjusts very complicated.
Summary of the invention
In view of this, the present invention provides a kind of digital display oil pulse spanner, allow user intuitively see torque value to
It goes accurately to adjust wrenching torque.
To achieve the above object, the invention provides the following technical scheme:
A kind of digital display oil pulse spanner, comprising: main shaft, sensing device and terminal control unit；
The induction mechanism can generate inductive signal according to the torque of the main shaft, and the terminal control unit being capable of basis
The inductive signal of the induction mechanism is converted torque value by pre-set programs.
Preferably, the inductive signal is electric signal.
Preferably, the inductive signal is voltage.
Preferably, the induction mechanism includes induction gasket and sensor；
The magnetic conductivity of the induction gasket can change according to the torque that the main shaft generates, the sense of the sensor
Answer coil that can convert voltage for the magnetic conductivity of the induction gasket, the terminal control unit can be according to pre-set programs by institute
The voltage for stating sensor is converted into torque value.
Preferably, the induction gasket is set in the outer peripheral surface of the main shaft, and the sensor sleeve is loaded on the sensing pad
The outer peripheral surface of piece.
Preferably, the outer peripheral surface of the main shaft offers the annular groove for installing the induction gasket.
It preferably, further include being connected between the induction mechanism and the terminal control unit, being used for transmission the induction
The data line of signal.
It preferably, further include torque output device, the terminal control unit can export the torque value to the torque
Output device.
Preferably, the torque output device is digital display device.
It can be seen from the above technical scheme that digital display oil pulse spanner provided by the invention, can intuitively read
Torque output, can be convenient for accurate adjustment torque.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of digital display oil pulse spanner provided in an embodiment of the present invention；
Fig. 2 is the partial enlarged view of Fig. 1.
Wherein, 1 is main shaft, and 2 be induction gasket, and 3 be sensor, and 4 be data line, and 5 be terminal control unit, and 6 be piston, 7
It is screw for spring, 8.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Digital display oil pulse spanner provided in an embodiment of the present invention, comprising: main shaft 1, sensing device and terminal control unit 5,
Its structure is referred to shown in Fig. 1, and main shaft 1 is for exporting wrenching torque；
Wherein, induction mechanism can generate inductive signal according to the torque of main shaft 1, and the physical action of torsional moment is converted
At accessible inductive signal；Terminal control unit 5 can convert torque for the inductive signal of induction mechanism according to pre-set programs
Value.It is the prior art that inductive signal, which calculates and is converted into the mode of torque value, and details are not described herein.
It can be seen from the above technical scheme that digital display oil pulse spanner provided in an embodiment of the present invention, use can be allowed
Family intuitively obtains torque output, so that user is convenient for going accurately to adjust wrenching torque；This programme directly incudes the survey that is converted
Output torque is measured, it is more accurate compared with through indirect modes such as oil pressure.
Preferably, inductive signal is electric signal.I.e. induction information can be transmitted, exchange, storing by electric signal,
Extract etc..The physical quantity of non-electrical is converted into electric signal by induction mechanism, is easy transmission and control.
In specific embodiment provided by the invention, inductive signal is voltage, can accurately reflect torque, convenient for transmission and
Processing.
Preferably, induction mechanism includes induction gasket 2 and sensor 3, structure is referred to shown in Fig. 1；
Wherein, the magnetic conductivity for incuding gasket 2 can change according to the torque that main shaft 1 generates, the line of induction of sensor 3
Circle can convert voltage for the magnetic conductivity that incude gasket 2, and terminal control unit 5 can be according to pre-set programs by the electricity of sensor 3
Pressure is converted into torque value.So set, torque value can be obtained accurately in real time.
In the present embodiment, induction gasket 2 is set in the outer peripheral surface of main shaft 1, and induction gasket 2 being capable of direct feeling main shaft 1
The torque of generation；Sensor 3 is set in the outer peripheral surface of induction gasket 2, and induction coil is capable of the magnetic of direct feeling induction gasket 2
Conductance, structure are referred to shown in Fig. 1.
In order to advanced optimize above-mentioned technical solution, the outer peripheral surface of main shaft 1 offers the ring for installing induction gasket 2
Shape slot improves reliability in order to which assembly is accurately positioned.
Digital display oil pulse spanner provided in an embodiment of the present invention further includes being connected to induction mechanism and terminal control unit 5
Between, be used for transmission the data line 4 of inductive signal.With wireless transmission inductive signal mode compared with, the wired solution not vulnerable to
Environment influences, and guarantees reliability.
The torque value that terminal control unit 5 obtains can be obtained by modes such as wiring and be checked.Preferably, the present invention is implemented
The digital display oil pulse spanner that example provides, further includes torque output device, terminal control unit 5 can output torque value it is defeated to torque
Device out, it is more intuitive and convenient.In the present embodiment, torque output device (such as the intelligent display screen as digital display) is integrated in end
Side controller 5, makes more compact structure.
Specifically, torque output device is digital display device.It is, of course, also possible to using modes such as sound broadcasting devices, it can
Adapt to the case where digital display is checked in inconvenience.
This programme is described further combined with specific embodiments below:
As shown in Figure 1, incuding and sensor 3 being housed on gasket 2 equipped with induction gasket 2 on main shaft 1, sensor 3 connects data
Line 4, data line 4 are connected on terminal control unit 5.When generating torque on main shaft 1, can cause to incude the magnetic conductance on 2 position of gasket
Rate changes, and the bigger magnetic conductivity variation of torque is more obvious, and the induction coil on sensor 3 can convert this part magnetic conductivity to
Voltage, and be transported on terminal control unit 5 by data line 4, finally, terminal control unit 5 is turned this portion voltage by conversion
Turn to torque value.
In conclusion there is no digital display device for existing product, user can not be allowed intuitively to see specific torque value, led
Cause can not accurately adjust torque；The embodiment of the invention discloses a kind of digital display oil pulse spanner, purpose is exactly to make user straight
That sees sees torque value to remove adjustment spanner.This programme utilizes the installation induction gasket on main shaft to transmit magnetic conductivity, recycles
Sensor and data line are transmitted to terminal control unit, and torque value can be presented in by terminal control unit design with the mode of transforming numerical
In face of user, intelligent display, accurate reading.
The embodiment of the invention also provides a kind of oil pulse spanner (can be digital display oil pulse spanner as the aforementioned),
It include: oil hydraulic cylinder and pressure relief device, which includes: pressure-releasing chamber, piston 6 and flexible restoring organ, and structure can join
According to shown in Fig. 1 and Fig. 2；
Wherein, the hydraulic fluid port of pressure-releasing chamber is connected to oil hydraulic cylinder；Piston 6 and flexible restoring organ are arranged in pressure-releasing chamber, piston 6
Hydraulic fluid port can be blocked under the effect of the pretightning force of flexible restoring organ, which determines according to the preset pressure of oil hydraulic cylinder, oil
When pressure in cylinder pressure is more than preset pressure its interior oil can compression piston 6 and flexible restoring organ, pressure-releasing chamber is entered by hydraulic fluid port；
Cooperation is sealed between the outer wall of piston 6 and the inner wall of pressure-releasing chamber, guarantee oil can only enter in pressure-releasing chamber hydraulic fluid port with
Between piston 6, after oil hydraulic cylinder oil temperature, which reduces pressure, to be reduced, oil can push back oil hydraulic cylinder by hydraulic fluid port by piston 6, real
Now recycle.
When operating, the oil in oil hydraulic cylinder can heat up expansion, cause pressure/force in oil hydraulic cylinder to increase, when in oil hydraulic cylinder
When pressure increases, oil can compression piston 6 and flexible restoring organ, to realize pressure release, piston 6 and flexible restoring organ and he
Locating space (i.e. pressure-releasing chamber) provide a spare pressure release space；After oil temperature lowers, piston 6 again occupies oil
Space squeeze go back.
It can be seen from the above technical scheme that the oil pulse provided in an embodiment of the present invention with pressure relief device is pulled
Hand is effectively solved spanner internal oil pressure, is effectively depressured using device, pressure release, and pressure is made to keep in a certain range, being guaranteed
Accurate torsion precision；By this pressure relief, oil pocket internal pressure can be made to tend to balance, this device is piston spring composite structure,
Pressure release effect is fast and effective, so that torque exports more balanced stabilization, reduces abrasion, improves working life.
Preferably, flexible restoring organ includes spring 7, which can provide for piston 6 returns towards the elasticity of hydraulic fluid port
Multiple power.It is, of course, also possible to which details are not described herein using other elastic components.
In order to advanced optimize above-mentioned technical solution, pressure relief device further includes being arranged in pressure-releasing chamber, being used to support and determine
The supporting and positioning mechanism of position flexible restoring organ, to improve the activity stability of flexible restoring organ and piston 6, to guarantee to let out
The sound construction of pressure device is reliable.
Specifically, supporting and positioning mechanism is screw 8, one end of flexible restoring organ and the cooperation of piston 6 provide pretightning force, spiral shell
The other end of 8 support positioning elastic resetting-mechanism of nail, it is simple and reliable for structure.Its structure is referred to shown in Fig. 1 and Fig. 2, elasticity
Resetting-mechanism is spring 7 herein.
In the present embodiment, the outer wall of piston 6 is equipped with sealing ring, can effectively ensure that the oil of oil hydraulic cylinder can only enter
Hydraulic fluid port realizes circulation between piston 6 in pressure-releasing chamber.Its structure is referred to shown in Fig. 2, and the end of piston 6 is small
Broad in the middle, to optimize its force way, sealing ring is mounted on the intermediate outer wall of piston 6.
In order to advanced optimize above-mentioned technical solution, oil hydraulic cylinder and pressure-releasing chamber are disposed adjacent, compact-sized.Pressure-releasing chamber can
Think and take shape in the Modularized shell of oil hydraulic cylinder pressure relief device, is assemblied in together with oil hydraulic cylinder in the shell of oil pulse spanner
Portion, structure is simple, is easy maintenance and replacement.
This programme is described further combined with specific embodiments below:
As depicted in figs. 1 and 2, the design is mainly made of, when operating piston 6, spring 7 and screw 8, the intracorporal oil of chamber
Can heat up expansion, and pressure/force in cavity is caused to increase, when cavity internal pressure increases, oil meeting compression piston 6 and spring 7, from
And realize pressure release, piston 6 and spring 7 and the space locating for them provide a spare pressure release space；When oil temperature is fallen
After coming, piston 6 again squeezes 6 space of piston that occupies of oil and goes back, and screw 8 plays a kind of support and positioning for spring 7
Effect.Key point is the setting of piston and spring, to achieve the purpose that pressure release.
In conclusion the oil pulse spanner provided by the invention with pressure relief device, effectively solves spanner internal oil pressure,
It is effectively depressured using device, pressure release, pressure is made to keep in a certain range, being able to guarantee accurate torsion precision；It is let out by this
Laminated structure can make oil pocket internal pressure tend to balance, this device is piston spring composite structure, and pressure release effect is fast and effective, so that turning round
Square exports more balanced stabilization, reduces abrasion, improves working life.This programme structure is simple, is easy maintenance and replacement.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of digital display oil pulse spanner characterized by comprising main shaft (1), sensing device and terminal control unit (5)；
The induction mechanism can generate inductive signal according to the torque of the main shaft (1), and the terminal control unit (5) being capable of root
Torque value is converted by the inductive signal of the induction mechanism according to pre-set programs.
2. digital display oil pulse spanner according to claim 1, which is characterized in that the inductive signal is electric signal.
3. digital display oil pulse spanner according to claim 1, which is characterized in that the inductive signal is voltage.
4. digital display oil pulse spanner according to claim 1, which is characterized in that the induction mechanism includes induction gasket
(2) and sensor (3)；
The magnetic conductivity of induction gasket (2) can change according to the torque that the main shaft (1) generates, the sensor
(3) induction coil can convert voltage for the magnetic conductivity of induction gasket (2), and the terminal control unit (5) being capable of root
Torque value is converted by the voltage of the sensor (3) according to pre-set programs.
5. digital display oil pulse spanner according to claim 4, which is characterized in that the induction gasket (2) is set in institute
The outer peripheral surface of main shaft (1) is stated, the sensor (3) is set in the outer peripheral surface of induction gasket (2).
6. digital display oil pulse spanner according to claim 5, which is characterized in that the outer peripheral surface of the main shaft (1) opens up
There is the annular groove for installing induction gasket (2).
7. digital display oil pulse spanner according to claim 1, which is characterized in that further include being connected to the induction mechanism
Between the terminal control unit (5), it is used for transmission the data line (4) of the inductive signal.
8. digital display oil pulse spanner according to claim 1, which is characterized in that it further include torque output device, it is described
Terminal control unit (5) can export the torque value to the torque output device.
9. digital display oil pulse spanner according to claim 8, which is characterized in that the torque output device is digital display dress
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811023668.2A CN109015501A (en) | 2018-09-04 | 2018-09-04 | Digital display oil pressure pulse wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811023668.2A CN109015501A (en) | 2018-09-04 | 2018-09-04 | Digital display oil pressure pulse wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109015501A true CN109015501A (en) | 2018-12-18 |
Family
ID=64623071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811023668.2A Pending CN109015501A (en) | 2018-09-04 | 2018-09-04 | Digital display oil pressure pulse wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109015501A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109531489A (en) * | 2019-01-16 | 2019-03-29 | 泰田集团有限公司 | Spanner and oil pressure pulse device thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06198572A (en) * | 1992-12-29 | 1994-07-19 | Kuwantai Syst Kk | Nut runner having torque detecting function |
| JPH06297349A (en) * | 1993-04-16 | 1994-10-25 | Uriyuu Seisaku Kk | Torque detection value correcting method for impact wrench |
| US5893420A (en) * | 1996-11-19 | 1999-04-13 | Atlas Copco Tools Ab | Multi-core cable connector for power wrench |
| US6318189B1 (en) * | 1998-11-18 | 2001-11-20 | Robert D. Donaldson | Digital torque-responsive pneumatic tool |
| CN209256797U (en) * | 2018-09-04 | 2019-08-16 | 泰田集团有限公司 | A kind of digital display oil pulse spanner |
-
2018
- 2018-09-04 CN CN201811023668.2A patent/CN109015501A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06198572A (en) * | 1992-12-29 | 1994-07-19 | Kuwantai Syst Kk | Nut runner having torque detecting function |
| JPH06297349A (en) * | 1993-04-16 | 1994-10-25 | Uriyuu Seisaku Kk | Torque detection value correcting method for impact wrench |
| US5893420A (en) * | 1996-11-19 | 1999-04-13 | Atlas Copco Tools Ab | Multi-core cable connector for power wrench |
| US6318189B1 (en) * | 1998-11-18 | 2001-11-20 | Robert D. Donaldson | Digital torque-responsive pneumatic tool |
| CN209256797U (en) * | 2018-09-04 | 2019-08-16 | 泰田集团有限公司 | A kind of digital display oil pulse spanner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109531489A (en) * | 2019-01-16 | 2019-03-29 | 泰田集团有限公司 | Spanner and oil pressure pulse device thereof |
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| CB02 | Change of applicant information |
Address after: No.98, dongtaihe Road, Jiaojiang District, Taizhou City, Zhejiang Province Applicant after: Taitian Group Co.,Ltd. Address before: No.98, dongtaihe Road, Jiaojiang District, Taizhou City, Zhejiang Province Applicant before: TAITIAN GROUP CO.,LTD. |