CN207058444U - Power tool - Google Patents
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- CN207058444U CN207058444U CN201720944314.6U CN201720944314U CN207058444U CN 207058444 U CN207058444 U CN 207058444U CN 201720944314 U CN201720944314 U CN 201720944314U CN 207058444 U CN207058444 U CN 207058444U
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Abstract
The utility model discloses a kind of power tool, including power tool main body；Response body, it is arranged in described power tool main body；Angle measurement unit, it is connected with the response body, the anglec of rotation for measuring strain body.The utility model provides a kind of power tool, simple in construction, intelligentized operation so that easy to operate, operating efficiency is high, fastening effect is good.
Description
Technical field
It the utility model is related to field of tool, more particularly to a kind of power tool for tightening a fastener.
Background technology
In different assembling process, fastener is used to form joint portion, wherein can be tightened using power tool
These fasteners.Generally it is desirable that improve speed and the degree of accuracy of tightening fastener parts.
At present, during big machinery (such as wind power generating set) is installed at the scene, the installation of major part is by a large amount of
The high strength exploitation of different size forms.For example, wind power generation mode becomes more and more important, wind power generating set installation number is many
More, in wind power generating set in assembling process, because wind power generating set weight of equipment is extremely heavy, some is even at several tons to one
Hundred tons, it may be desirable to which the extremely more high-strength fastener of usage quantity fastens to unit equipment, therefore high-strength fastener is tight
Guan County is filled for the security and stability of wind power generating set and its important.
How the pretightning force of high-intensity fasteners (such as bolt) ensures that it is applied to tightly exactly after the output of design end
It is most important on firmware.High-intensity fasteners applying method has a lot, such as calibrated wrench method, pulling method, angle method etc..Calibrated wrench method
It is the most frequently used method at present, because calibrated wrench method is influenceed by coefficient of friction very big, can so causes the dispersiveness of actual pretightning force
Increase, it is difficult to ensure that in the scope of design requirement, and it is difficult to realize high-precision installation；The principle of angle method exactly revolves bolt
The angle turned changes into the elongation of bolt, is influenceed by external interference factor smaller, can more accurately ensure bolt pretightening
Application, but the utilization of angle method at present is main or by manually being operated, i.e., the existing big department of power tool passes through
It is manually operated to realize tightening to carry out the control of angle such as fastener (such as bolt), substantially it is difficult to ensure that the standard of bolt corner
True property, tightening fastener parts are too tight or too loose, and efficiency of construction is low.
Utility model content
The utility model is directed to deficiency of the prior art, there is provided a kind of power tool, simple in construction, intelligentized behaviour
Make so that easy to operate, operating efficiency is high, fastening effect is good.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals：
A kind of power tool, including：
Power tool main body；
Response body, it is arranged in described power tool main body；
Angle measurement unit, it is connected with the response body, the anglec of rotation for measuring strain body.
Further, the response body is configured to fastening part, and the opening portion of one end of the response body is configured to tight
Gu the top in portion, the other end of the response body is connected with the angle measurement unit.
Further, the angle measurement unit includes：
Connector, it is connected for the end with response body；
Angle sensor device assembly, it is set on the connector；
Fixture, for coating described angle sensor device assembly, and it is incorporated on the end face of the power tool main body.
Further, the angle sensor device assembly includes the magnetic grid that is set on the connector and is connected with magnetic grid
Magnetic grid encoder.
Further, the connector includes：
Connector body one, it is connected for the end with response body；
Location division, extend to be formed from one end of connector body one, the outer face of the location division is resisted against described answer
On variant；
The magnetic grid is set on connector body one, and lower end is resisted against on the inner face of the location division two.
Further, the side of the fixture limits accommodating chamber one and accommodating chamber two, and the magnetic grid is set in described
Accommodating chamber one in, and positioned by accommodating chamber one, the magnetic grid encoder is arranged in accommodating chamber two, and by accommodating chamber two
Coated.
Further, hollow structure is arranged in the middle part of the fixture and connector, the hollow knot with the fastening part
Structure is connected, and the hollow structure of the fixture, the hollow structure of connector and the fastening part forms putting for fastener
Between being empty.
Further, the power tool is hydraulic spanner, in addition to：
Power unit, for giving power tool input power；
Transmission parts, it is connected with the power unit；
Position-measurement device, for sensing the positional information of the transmission parts.
Further, the position-measurement device is configured as position sensor, is reached for detecting the transmission parts
The information of predeterminated position.
Further, the position-measurement device is configured as displacement transducer, and institute's displacement sensors are arranged on power
On tool body, and it is located at front portion of the transmission parts along direction of feed, for sensing the transmission parts and displacement sensing
The relative distance of device.
The utility model obtains following beneficial effect：
(1) power tool of the present utility model, use especially as hydraulic spanner, set in the rearward end of the response body
Angled measurement apparatus, the anglec of rotation of fastener can accurately be monitored in real time, be easy to what control applied to fastener
The selection of pretightning force size, can be effectively ensured the fastening precision of fastener, and then the peace of equipment (each structure) connection is effectively ensured
Full property and stability；
(2) numerical value of the response body anglec of rotation is gathered by control unit, that is, gathers fastener (such as bolt) and tightened
The angle value rotated in journey, realize it is intelligentized tighten or unclamp bolt, ensure that fastening precision while, greatly improve
The efficiency of construction of terminal operation, and the convenience and security of operation can also be improved, bolt tighten operation can be reduced to it is one-touch
Complete；
(3) power tool of the present utility model, provided with the positional information for sensing transmission parts, specifically sensing transmission
The positional information for the connecting rod that part includes, the positional information of connecting rod can accurately be monitored in real time, be easy to control to fastening
The control of pretightning force, pretension angle and the pretension time that part applies etc., the influence of connecting rod effect of inertia is effectively avoided, ensure fastening
The precision of the fastening of part, and then the safety and stability of equipment (each structure) connection is effectively ensured.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is a kind of structural representation one of electric tool embodiment of the utility model；
Fig. 2 is a kind of explosive view one of electric tool embodiment of the utility model；
Fig. 3 is a kind of explosive view two of electric tool embodiment of the utility model；
Fig. 4 is the structural representation of the utility model connector；
Fig. 5 is the structural representation of the utility model fixture；
Fig. 6 is the structural representation of the utility model housing；
Fig. 7 is the structural representation of the utility model displacement transducer.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
The accompanying drawing of type embodiment, the technical scheme of the utility model embodiment is clearly and completely described.Obviously, it is described
Embodiment is part of the embodiment of the present utility model, rather than whole embodiments.Based on described of the present utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained on the premise of without creative work, all belongs to
In the scope of the utility model protection.
In description of the present utility model, it is to be understood that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " top ", " bottom " " interior ", " outer " be based on orientation shown in the drawings or position relationship, be only for
Be easy to describe the utility model and simplify to describe, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features
The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only
Represent that fisrt feature level height is less than second feature.
Unless otherwise defined, technical term or scientific terminology used herein are should be in the utility model art
The ordinary meaning that personage with general technical ability is understood.Make in the utility model patent application specification and claims
" first ", " second " and similar word are not offered as any order, quantity or importance, and are used only to distinguish
Different parts.Equally, the similar word such as "one" or " one " does not indicate that quantity limits yet, but represents exist at least
One.
As Figure 1-3, as embodiment of the present utility model, a kind of power tool, as fastener installation and tear open
The instrument unloaded, the fastener of the present embodiment may include bolt, nut, screw etc., in example below, mainly enter by taking bolt as an example
Row explanation, and the kilometer instrument of the present embodiment tightens bolt, can be suitably used for the work of high intensity, such as large-scale blower fan, seabed
Cluster engine, the large aerospace product of aviation field etc., and be not limited to the application occasion that the present embodiment is enumerated, other are right
Bolt tightens the occasion with high request and is suitable for power tool of the present utility model.Power tool can be defined as spanner,
For example hydraulic spanner, intellectualized operation are main (not marked in figure including power tool main body 1, the ratchet device being arranged in main body
Show), transmission parts (not indicated in figure) etc., and the response body 2 being arranged in described power tool main body 1 and angle
Spend measurement apparatus 3.The central structure of the present embodiment response body is configured to fastening part, is used for and appended claims, tight to realize
Firmware is tightened and unclamped, and the opening portion of wherein one end of response body is configured to the top of fastening part, i.e. fastener is tight from this
Gu the top in portion, which is extend into fastening part, carries out operation；The other end of the end of fastening part, i.e. response body and angle measurement unit 3
It is connected, by angle measurement unit 3 come rotation (rotation) angle of measuring strain body 2.
According to embodiment of the present utility model, angle measurement unit 3 is used for the anglec of rotation of measuring strain body 2, can be in real time
The anglec of rotation of fastener is accurately monitored, and rotated by control unit (including processor) to gather response body 2
The numerical value of angle, that is, the angle value that rotates in fastener (such as bolt) rundown process is gathered, realize intelligentized tighten or pine
Bolt is opened, is easy to the selection for the pretightning force size that control applies to fastener, can be effectively ensured the fastening precision of fastener, and
While ensureing fastening precision, intelligentized tightening system greatly improves the efficiency of construction of terminal operation, and can also improve behaviour
The convenience and security of work, by the spanner of the present embodiment, bolt, which tightens operation, can be reduced to one-touch completion.
As the first embodiment of the present utility model, as shown in Figures 2 and 3, angle measurement unit 3 includes connector 4, angle
Degree sensor cluster 6 and fixture 5, angle sensor device assembly 6 are connected by connector 4 with response body 1, are passed for support angle
Sensor component 6, and realized and positioned by fixture 5, rotated with response body 1 with to ensure connector 4 and angle sensor device assembly 6
Stability.In the present embodiment, angle sensor device assembly 6 preferably includes magnetic grid 61 and the magnetic grid encoder being connected with magnetic grid 61
62, connector 4 includes connector body 41 and location division 42, and connector body 41 and location division 42 can be set to integrative-structure,
It can also be arranged to, by Split type structure that is detachable and being fixed together, be suitable for connector of the present utility model
4, and location division 42 is to extend to be formed from one end of connector body 41, to improve the stability that magnetic grid 61 is installed, location division 42
Circumference set and be slightly larger than connector body 41, i.e., the opposite joints body 41 of location division 42 forms a bulge-structure, installs
When, the outer end of location division 42 and the end of response body are leant, and magnet ring is located on connector body 41, and one end is resisted against and determined
On the inner face in position portion 42 2, to realize stability that magnet ring is connected with connector 4, to improve the precision of detection angles.Such as Fig. 4
Shown, connector 4 is provided with multiple connecting holes 1, as illustrated, connecting hole 1 passes through fastening along the axially arranged of fastening part
Connector 4 is fixedly mounted on the end face of response body 1 by part through connecting hole 1, ensures what connector 4 was connected with response body
Steadiness, ensure connector 4 and uniformity of the response body 1 (including fastening part) during synchronous axial system, effectively prevent magnetic grid
61 rotations carried out by effect of inertia, so as to greatly improve the accuracy to the wheel measuring of response body 2.Angle sensor device assembly 6
By magnetic grid 61 and the synchronous axial system of response body 1, magnetic grid encoder 62 is connected with magnetic grid 61, and the anglec of rotation is carried out to response body 2
Monitoring, to realize the monitoring to response body 2 and the fastener anglec of rotation.
As embodiment of the present utility model, as shown in figure 5, the fixture 5 is used to coat angle sensor cluster 6,
And be incorporated on the end face of the power tool main body, play a part of orientation angle sensor cluster 6.Specifically in fixture
5 side has limited accommodating chamber 1, is just engaged with magnetic grid 61, i.e. the coupled connector 4 of magnetic grid 61 passes through appearance
Chamber 1 of receiving coats, and plays a part of positioning.Accommodating chamber 2 52 is additionally provided with fixture 5, the magnetic grid encoder 62 is arranged on
In accommodating chamber 2 52, and coated by accommodating chamber 2 52.And the fixture 5 is provided with connecting hole 2 53, for fastener with
Installation during the end face connection of the power tool main body, the fastener of connection consolidate the fixture 5 through connecting hole 2 53
Play a part of the fixed fixture 5 in power tool main body 1 in Dingan County.In above-mentioned, magnetic grid 61 and connector 4 and
Magnetic grid encoder 62 is coated again by fixture 5 and fixture 5 is fixedly connected in power tool main body, further improves angle
Sensor cluster 6 install steadiness, further effectively prevent with response body in relative rotational motion magnetic grid 61 because inertia make
With the rotation carried out, the accuracy to response body wheel measuring can be greatly improved.The setting of the structure of fixture 5, moreover it is possible to further
Degree of protection sensor cluster 6 is without damage, and can also effectively prevent dust etc. from entering, and greatly improves angle sensor device assembly 6
Service life.
According to embodiment of the present utility model, the fixture 5 of the present embodiment, the middle part of connector 4 are arranged to hollow structure,
It is connected with the hollow structure of the fastening part, i.e. the hollow structure of fixture 5, the hollow structure of connector 4 and fastening part is total to
With the placement space 7 formed, placed for fastener in fastening.Fixture 5 is connected structure with fastening part, formation
The use range of placement space 7 is big, can be applicable the placement of fastener of different length specification to realize the operation of fastener, and ensure
Fastener is positioned completely by the placement space 7, to realize stability during fastener work, so as to improve angle sensor
Device assembly 6 is better achieved the control to fastener and reached and want to fastening part and the accuracy of the angle of fastener rotation
The precision asked.
Lead channels are additionally provided with according to embodiment of the present utility model, in fixture 5 of the present utility model (in figure not show
Go out), it is oriented to during inlet wire and outlet for angle sensor device assembly 6, angle sensor device assembly 6 passes through wire and control
Unit is connected, and lead is realized by the lead channels, compact-sized, ensures the cleaning of wire connection；Meanwhile such as Fig. 6
It is shown, pressure line terminal (not shown) is also provided with, quantity is unlimited, can as needed be selected, wire is positioned
On the end face of power tool main body, the loosening of wire is prevented, pressure line terminal is arranged on some position of the centre of wire, therefore solid
Determine that the pressure line terminal accommodating chamber (not shown) for accommodating pressure line terminal can also be set on part 5, and pressure line terminal accommodating chamber is set
Put in lead channels middle, it is of course possible to which many places are set.
With reference to above-mentioned power tool, the power tool of the present embodiment illustrates by taking hydraulic spanner as an example, power tool
Also include power unit and transmission parts, power unit is hydraulic package, including hydraulic circuit, hydraulic pump etc., transmission parts
Connecting rod being connected including piston, with piston etc., the hydraulic spanner (power tool) of the present embodiment, in addition to position-measurement device 8,
For sensing the positional information of the transmission parts, piston (not shown) and company that transmission parts (not shown) includes
Bar (not shown) is connected as a single entity, and the position-measurement device 8 of the present embodiment may be provided on piston, may also be arranged on connecting rod
On, or with piston or connecting rod be non-contact connection, as long as the positional information for sensing piston or connecting rod can be used for, all in this reality
Apply in the protection domain of example, certainly, when transmission parts are not limited to the piston or connecting rod of the present embodiment, the position of the present embodiment
Measurement apparatus 8 can be connected with the other structures of transmission parts in the same way, and the position for belonging to the present embodiment is set.Make
For the preferred embodiment of the present embodiment, and to cause convenience that the position of position-measurement device 8 is set, the present embodiment optimum position is surveyed
Amount device 8 is mainly used to sense the positional information of connecting rod, and with connecting rod to contact connection or non-contact connection, below by implementation
Example illustrates.
As embodiment of the present utility model, position-measurement device 8 of the present utility model can be configured as position sensing
Device, some position of transmission parts direction of feed is preset in as needed, for detecting transmission parts, i.e. it is default to reach this for connecting rod
Position when, position sensor sensing the feedback of position parameter, and by control unit (including processor) come gather the position of connecting rod believe
Breath, the feedback of the information of processor collection provides instruction into controller, and by controller, to control the output of oil pressure, so as to
The shift position of connecting rod is accurately positioned, is easy to the control to pretightning force, pretension angle and the pretension time of fastener application etc., has
Effect avoids the influence of connecting rod effect of inertia, ensures the precision of the fastening of fastener, and then equipment (each structure) is effectively ensured even
The safety and stability connect.
As embodiment of the present utility model, position-measurement device 8 of the present utility model can be configured as displacement sensing
Device 9, for sensing displacement of the transmission parts (such as connecting rod) along direction of feed.In the present embodiment, displacement transducer 9 is set
In power tool main body 1, and it is located at front portion of the transmission parts (such as connecting rod) along direction of feed, and is untouchable company with connecting rod
Connect, for sensing the relative distance of connecting rod and displacement transducer 9, after connecting rod is fed into certain displacement, and close to displacement sensing
During device 9, displacement transducer 9 senses the motion of connecting rod, and gathers the displacement of connecting rod by control unit (including processor)
Information, processor gather the feedback of the information into controller, and provide instruction by controller, to control the output of oil pressure, from
And the feeding displacement of accurate controls connecting rod, it is easy to the control to pretightning force, pretension angle and the pretension time of fastener application etc.,
The influence of connecting rod effect of inertia is effectively avoided, ensures the precision of the fastening of fastener, and then equipment (each structure) is effectively ensured
The safety and stability of connection.
As embodiment of the present utility model, as shown in Fig. 2,3,6 and 7, displacement transducer 9 of the present utility model is arranged on
In power tool main body 1, it is of course possible to be arranged on the inwall of power tool main body 1, and be preferably provided at connecting rod along feeding side
To front portion, can accurately perceive the feeding displacement of connecting rod.Certainly, displacement transducer 9 is arranged on the inwall of power tool main body 1
When, the installation of displacement transducer 9 can have certain inconvenience, therefore, in the present embodiment, be installed for guarantee displacement transducer 9
Convenience, preferred displacement sensor 9 are arranged on the outer wall of power tool main body 1, i.e., offer use from outer wall inward wall direction
Described position-measurement device is coated or covers in the accommodating chamber 3 10 that displacement transducer 9 is installed, and by housing unit 11
8.In the present embodiment, holding tank 15 is limited in the side wall of power tool main body 1, for storing described position measurement dress
8 are put, and the outer end of position-measurement device 8 is coated by housing unit 11, housing unit 11 can set integral knot
Structure, position-measurement device and housing unit 11 are connected as a single entity to by fastener when integrative-structure is set, during installation, housing group
Position-measurement device is installed to accommodating chamber 3 10 by part 11 with position-measurement device as overall, in, finally by housing unit 11
It is incorporated on the end face of the power tool main body 1, plays a part of fixed displacement sensor, ensures what displacement transducer was placed
Steadiness, the accuracy of sensing connecting rod can be greatly improved, so as to greatly improve the accuracy of fastener fastening.
Housing unit 11 can be arranged to Split type structure, and housing unit 11 includes support block 12 and housing 13, support block
12 are connected with the side of power tool main body 1, and housing 13 is arranged to be detachably connected with support block 12, and support block 12 and housing
13 collective effects surround the installing space for Support Position measurement apparatus, and housing 13 is with position-measurement device as overall by position
Put measurement apparatus to be installed in accommodating chamber 3 10, finally housing 13 is incorporated on the end face of the power tool main body 1, played
The effect of displacement transducer is positioned, ensures the steadiness that displacement transducer is placed, the accuracy of sensing connecting rod can be greatly improved, from
And greatly improve the accuracy of fastener fastening.
Housing unit 11 of the present utility model is incorporated on the end face of the power tool main body 1, and housing 13 is provided with
Connecting portion 14 and the end face of power tool main body 1 are connected, and are removably fastenedly connected with end face by fastener.
For example the housing is fixedly mounted in power tool main body 1 by the fasteners through mounting holes 18 of connection, plays fixed shell
The effect of component 11, in above-mentioned, displacement transducer is used as with housing 13 and is integrally attached to power tool main body 1, and displacement sensing
Device is coated by housing unit 11, is further improved the steadiness of displacement transducer installation, is further effectively prevented connecting rod from transporting
The skew that displacement transducer is carried out by effect of inertia during dynamic, the accuracy of sensing connecting rod can be more greatly improved, so as to big
The big accuracy for improving fastener fastening, moreover it is possible to which further protection displacement transducer is without damage, and can also effectively prevent dust
Deng entering, the service life of displacement transducer is greatly improved.
In embodiment of the present utility model, the installation for displacement transducer 9 can also be by the sky of the holding tank 15
Between size slightly larger than described displacement transducer 9 is set, the end face of institute's displacement sensors 9 is placed in holding tank 15,
It is alternative with the side wall of holding tank 15 against or be not against, and displacement transducer 9 is placed on the position of holding tank 15 and can passed through
Adjusting means is adjusted and positioned, to adapt to the installation of the diverse location of displacement transducer 9, to be applicable the fastening to different size
Being accurately positioned when part (bolt) fastens.In the present embodiment, adjusting means includes regulation positioning hole 16, connecting hole 3 17 and connection
Fastener, wherein regulation positioning hole 16 is arranged on displacement transducer 9, connecting hole 3 17 is arranged on the bottom of holding tank 15, leads to
Cross securing member sequentially pass through regulation positioning hole 16 and connecting hole 3 17 displacement transducer 9 is fixedly mounted on the housing group
In the holding tank 15 of part 11, wherein regulation positioning hole 16 is arranged to waist-shaped hole, displacement transducer 9 can be suitably adjusted with respect to holding tank
The position of 15 installations, to realize regulation of the displacement transducer with respect to the installation site of holding tank 15.The utility model displacement transducer
It is incorporated into after on housing unit 11, then by housing unit 11 on the end face of the power tool main body 1, and housing unit
11 are provided with mounting hole, and installation is fixed in the end face penetrated by fastener in mounting hole with the power tool main body 1.Even
The housing unit 11 is fixedly mounted in power tool main body 1 by the fasteners through mounting holes connect, plays fixed shell group
The effect of part 11, in above-mentioned, displacement transducer is coated by housing unit 11 and is used as with housing unit 11 and is integrally attached to move
In the accommodating chamber 2 52 of power tool body 1, the steadiness of displacement transducer installation is further improved, further effectively prevents connecting rod
The rotation that displacement transducer is carried out by effect of inertia in motion process, the accuracy of sensing connecting rod can be greatly improved, so as to big
The big accuracy for improving fastener fastening, moreover it is possible to which further protection displacement transducer is without damage, and can also effectively prevent dust
Deng entering, the service life of displacement transducer is greatly improved.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The scope of scheme.
In a word, preferred embodiment of the present utility model is the foregoing is only, it is all according to present utility model application the scope of the claims institute
The equivalent changes and modifications of work, it should all belong to the covering scope of the utility model patent.
Claims (10)
- A kind of 1. power tool, it is characterised in that including：Power tool main body；Response body, it is arranged in described power tool main body；Angle measurement unit, it is connected with the response body, the anglec of rotation for measuring strain body.
- 2. power tool according to claim 1, it is characterised in that：The response body is configured to fastening part, described to answer The opening portion of one end of variant is configured to the top of fastening part, the other end of the response body and the angle measurement unit phase Even.
- 3. power tool according to claim 2, it is characterised in that the angle measurement unit includes：Connector, it is connected for the end with response body；Angle sensor device assembly, it is set on the connector；Fixture, for coating described angle sensor device assembly, and it is incorporated on the end face of the power tool main body.
- 4. power tool according to claim 3, it is characterised in that：The angle sensor device assembly is described including being set in Magnetic grid on connector and the magnetic grid encoder being connected with magnetic grid.
- 5. power tool according to claim 4, it is characterised in that the connector includes：Connector body one, it is connected for the end with response body；Location division, extend to be formed from one end of connector body one, the outer face of the location division is resisted against described response body On；The magnetic grid is set on connector body one, and lower end is resisted against on the inner face of the location division two.
- 6. power tool according to claim 5, it is characterised in that：The side of the fixture limits the He of accommodating chamber one Accommodating chamber two, the magnetic grid is set in described accommodating chamber one, and is positioned by accommodating chamber one, and the magnetic grid encoder is set Put in accommodating chamber two, and coated by accommodating chamber two.
- 7. power tool according to claim 5, it is characterised in that：In being arranged in the middle part of the fixture and connector Hollow structure, it is connected with the hollow structure of the fastening part, the fixture, hollow structure and the fastening part of connector Hollow structure forms the placement space for fastener.
- 8. according to the power tool described in claim any one of 1-7, the power tool is hydraulic spanner, it is characterised in that Also include：Power unit, for giving power tool input power；Transmission parts, it is connected with the power unit；Position-measurement device, for sensing the positional information of the transmission parts.
- 9. power tool according to claim 8, it is characterised in that：The position-measurement device is configured as position sensing Device, the information of predeterminated position is reached for detecting the transmission parts.
- 10. power tool according to claim 8, it is characterised in that：The position-measurement device is configured as displacement biography Sensor, institute's displacement sensors are arranged in power tool main body, and are located at front portion of the transmission parts along direction of feed, are used In the relative distance for sensing the transmission parts and displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720944314.6U CN207058444U (en) | 2017-07-31 | 2017-07-31 | Power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720944314.6U CN207058444U (en) | 2017-07-31 | 2017-07-31 | Power tool |
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| CN207058444U true CN207058444U (en) | 2018-03-02 |
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| CN201720944314.6U Active CN207058444U (en) | 2017-07-31 | 2017-07-31 | Power tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561321A (en) * | 2019-09-24 | 2019-12-13 | 昆山慕天液压有限公司 | Electro-hydraulic torque power device for aircraft engine |
| WO2021184751A1 (en) * | 2020-03-17 | 2021-09-23 | 广东电网有限责任公司清远供电局 | Tool for tightening work |
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2017
- 2017-07-31 CN CN201720944314.6U patent/CN207058444U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561321A (en) * | 2019-09-24 | 2019-12-13 | 昆山慕天液压有限公司 | Electro-hydraulic torque power device for aircraft engine |
| WO2021184751A1 (en) * | 2020-03-17 | 2021-09-23 | 广东电网有限责任公司清远供电局 | Tool for tightening work |
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