CN206470018U - Angle can correct torque lever device - Google Patents
Angle can correct torque lever device Download PDFInfo
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- CN206470018U CN206470018U CN201621389906.8U CN201621389906U CN206470018U CN 206470018 U CN206470018 U CN 206470018U CN 201621389906 U CN201621389906 U CN 201621389906U CN 206470018 U CN206470018 U CN 206470018U
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Abstract
Torque lever device can be corrected the utility model discloses a kind of angle, including lever and ratchet device, longitudinally of the ratchet device along the lever is arranged at the centre of the lever, the ratchet device includes the commutating structure located at the lever and the thickness direction along the lever stretches out the work department of the lever side, the work department is connected with torque sensor, the lever has first position and the second place, the commutating structure can be rotated relative to the lever between the first position and the second place, when in the first position, the lever can be rotated relative to the work department to first direction, when in the second place, the lever can be rotated relative to the work department to the reverse second direction of the first direction.The angle that the utility model is provided can correct torque lever device, it is ensured that in wide range torque calibration work accuracy.
Description
Technical field
The utility model is related to collimation technique field, and more particularly to a kind of angle can correct torque lever device.
Background technology
Detecting device for determining torque of spanner is widely used to the calibrating (calibration) of various torque wrenches.At present, both at home and abroad develop and
The detecting device for determining torque of spanner species of exploitation is a lot, is broadly divided into mechanical, fluid pressure type and electronic type (generally uses strain-type moment of torsion
Sensor).With the raising of various systems and automation degree of equipment and the raising of complexity, it is necessary to the precision of measurement also therewith
Improve, it is a kind of the most frequently used, simplest method to measure torque sensor with lever principle.
JJG797-2013《Torque spanner vertification regulation》Specified in lever arm of force error in length must ± 0.1%,
Counterbalance mass error is ± 0.05%.Lever arm of force is in process can be with control accuracy, and counterweight is quantitative measurer, and precision can
To control.But in actual measurement process, in the case that moment of torsion is bigger, lever arm of force loading counterweight is more, and its deformation is bigger, institute
It can be deviateed with angle, then can not ensure the calibration accuracy in wide range.
Utility model content
Based on this, it is necessary to which providing a kind of angle the problem of for that can not ensure calibration accuracy in wide range can correct
Torque lever device.
A kind of angle can correct torque lever device, including lever and ratchet device, and the ratchet device is along the lever
Longitudinally be arranged at the centre position of the lever, the ratchet device includes the commutating structure and edge located at the lever
The thickness direction of the lever stretches out the work department of the lever side, and the work department is connected with torque sensor, described
Lever has a first position and the second place, and the commutating structure can be relative to the lever in the first position and described the
Rotated between two positions, when in the first position, the lever can be rotated relative to the work department to first direction,
When in the second place, the lever can be relative to the work department to the second direction reverse with the first direction
Rotate.
The angle that the utility model is provided can correct torque lever device, including lever and the ratchet dress in the middle of lever
Put, when in use, the commutating structure of ratchet device can be pulled to first position, now the only conventional first direction of lever turns
Dynamic, torque sensor is connected with work department, hangs hanging basket in one end of lever, counterweight is placed in hanging basket, when adding counterweight excessive
When, the angle of lever then can make lever be in horizontality in the event of deviateing toward first direction rotating lever；In lever
When the other end hangs hanging basket and places calibration of weight in hanging basket, lever can be rotated toward second direction so that lever is in level
State, it is ensured that in wide range torque calibration work accuracy.
In one of the embodiments, the ratchet device also includes ratchet, the first clamping piece, the first spring, the second card
Valve part and second spring, the ratchet include ratchet part and the work department, and the work department extends the axle of the ratchet part
To setting, the lever is provided with holding tank, and the ratchet part, first clamping piece and second clamping piece hold located at described
Receive groove, one end of first spring abuts first clamping piece, and the other end abuts the inwall of the holding tank, described second
One end of spring abuts second blocking part, and the other end abuts the inwall of the holding tank, and the commutating structure can exist respectively
The first position make first clamping piece abut the ratchet portion to rotate along the second direction to limit the lever or
Make second clamping piece abut the ratchet portion in the second place to rotate along the first direction to limit the lever.
In one of the embodiments, the lever is provided with angle away from the side that the work department stretches out the lever
Groove, the angle groove is along the circumferentially disposed of the ratchet device.
In one of the embodiments, in addition to abut block, two ends of the lever along its longitudinally are symmetrically offered
The edge of a knife, the abutting is packaged to be located at the edge of a knife, and the abutting block is Zi close to one end of the edge of a knife to the remote edge of a knife
The length of one end is tapered.
In one of the embodiments, the section for abutting block along its longitudinally is triangle, and the abutting block is remote
One end from the edge of a knife is arc-shaped.
In one of the embodiments, in addition to cushion block, the cushion block is in the edge of a knife and positioned at the abutting block
Both sides.
In one of the embodiments, in addition to pressue device, longitudinally of the pressue device along the lever is set
It is placed in the lever coaxial line opposite side relative with the edge of a knife.
In one of the embodiments, the pressue device be column, the pressue device away from the lever one
Hold as arc-shaped.
In one of the embodiments, the lever includes parallelepiped body portion and trapezoidal body portion, the parallelepiped body portion
Be connected with the trapezoidal body portion, longitudinally of the ratchet device along the lever located at the parallelepiped body portion with it is described
The junction of trapezoidal body portion.
In one of the embodiments, along along the longitudinally of the lever, the parallelepiped body portion and the prismatoid
Partial junction offers the through hole through the lever thickness direction, and the through hole is symmetrically set in the two of the ratchet device
Side.
Brief description of the drawings
Fig. 1 can correct the structure chart of torque lever device for the angle that the embodiment of the utility model one is provided；
Fig. 2 is that the angle provided in Fig. 1 can correct the top view of torque lever device；
Fig. 3 is that the angle provided in Fig. 1 can correct the upward view of torque lever device；
Fig. 4 is that the angle provided in Fig. 1 can correct a partial enlarged drawing of torque lever device；
Fig. 5 is that the angle provided in Fig. 1 can correct another partial enlarged drawing of torque lever device.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Preferred embodiment of the present utility model is given in accompanying drawing.But, the utility model can come real in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model
The understanding for opening content is more thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
Referring to Fig. 1-Fig. 3, the embodiment of the utility model one, which provides a kind of angle, can correct torque lever device, including lever
10 and ratchet device 20, longitudinally of the ratchet device 20 along lever 10 is arranged at the centre position of lever 10, ratchet device 20
The work department 21 of the side of lever 10, work department are stretched out including the commutating structure located at lever 10 and along the thickness direction of lever 10
21 are connected with torque sensor, and lever 10 has first position and the second place, and commutating structure can be relative to lever 10 first
Rotated between position and the second place, when in said first position, lever 10 can be rotated relative to work department 21 to first direction,
When at the second position, lever 10 can be rotated relative to work department 21 to the reverse second direction of first direction.
Referring to Fig. 1, above-mentioned longitudinally is the left and right directions in such as Fig. 1, is as in Fig. 1 when mentioning width
Above-below direction, be such as the fore-and-aft direction in Fig. 1 when mentioning thickness direction.
The angle that the utility model embodiment is provided can correct torque lever device, including lever 10 and in lever 10
Between ratchet device 20, when in use, the commutating structure of ratchet device 20 can be pulled to first position, now lever 10 is only
Conventional first direction is rotated, and torque sensor is connected with work department 21, and hanging basket is hung in one end of lever 10, is placed in hanging basket
Counterweight, when adding counterweight excessive, the angle of lever 10 then can make lever in the event of deviateing toward first direction rotating lever 10
10 are in horizontality；When the other end of lever 10 hangs hanging basket and places calibration of weight in hanging basket, lever can be toward the
Two directions are rotated so that lever 10 is in horizontality, it is ensured that in wide range torque calibration work accuracy.
Referring to Fig. 1, when right-hand member in Fig. 1 hangs hanging basket and places counterweight in hanging basket, now commutating structure is located at
First position, when positioned at first position, lever 10 can be rotated relative to work department 21 to first direction, i.e., now lever 10 can
Rotate in an anti-clockwise direction in the past, and can not be toward rotationally clockwise, such as when adding counterweight excessive, if the angle of lever 10 is partially
From horizontal level, then lever 10 can be made to rotate counterclockwise so that the state for the level that lever 10 reaches；When left end in Fig. 1
When hanging hanging basket and placing counterweight in hanging basket, now the commutating structure of ratchet device is located at the second place, when positioned at second
When putting, lever 10 can be rotated relative to work department 21 to second direction, i.e., now lever 10 can rotationally clockwise, and
It can not rotate in an anti-clockwise direction, when adding counterweight excessive, the angle of lever 10 can then make lever 10 if the deviation from horizontal level
Rotate clockwise so that lever 10 reaches horizontal state.
Above-mentioned ratchet device 20 is referred to the ratchet device of existing ratchet spanner to set, as long as can reach
One position, lever 10 may only be rotated to first direction, at the second place, and lever 10 may only be rotated to second direction is
Can.And when lever 10 is rotated towards first direction or second direction, its angle rotated is 360 ° of rotations.
In the present embodiment, ratchet device 20 can be set also to include ratchet, the first clamping piece, the first spring, the second card
Valve part and second spring, ratchet include ratchet part and work department 21, and work department 21 extends the axially arranged of ratchet part, lever 10
Provided with holding tank, ratchet part, the first clamping piece and the second clamping piece are located at holding tank, and one end of the first spring abuts the first clip
Part, the other end abuts the inwall of holding tank, and one end of second spring abuts the second blocking part, and the other end abuts the interior of holding tank
Wall, commutating structure can make respectively in first position the first clamping piece abut ratchet portion be rotated in a second direction, with to limit lever 10 or
Make the second clamping piece abut ratchet portion in the second place to be rotated in a first direction to limit lever 10.
When commutating structure be located at first position when, commutating structure can compress second spring so that second spring shrink, this
When the first clamping piece abut ratchet portion be rotated in a second direction, with limiting lever 10, now lever 10 can to first direction turn
It is dynamic；When commutating structure is located at the second place, commutating structure can compress the first spring so that the first spring contraction, and now second
Clamping piece abuts ratchet portion and is rotated in a first direction with limiting lever 10, and now lever 10 can be rotated to second direction.Certainly,
In other embodiments, the ratchet device for the ratchet spanner being referred to provided in prior art realizes the positive and negative of lever 10
Rotate.
In the present embodiment, lever 10 can be set to include parallelepiped body portion 11 and trapezoidal body portion 12, parallelepiped body portion
11 are connected with trapezoidal body portion 12, and longitudinally of the ratchet device 20 along lever 10 is located at parallelepiped body portion 11 and trapezoidal body portion
12 junction.Lever 10 is set to include parallelepiped body portion 11 and trapezoidal portions 12 to mitigate the weight of lever 10.Certainly, lever
10 shape is unrestricted.
Referring to Fig. 1, in the present embodiment, along along the longitudinally of lever 10, parallelepiped body portion 11 and trapezoidal body portion 12
Junction offer through hole 13 through the thickness direction of lever 10, through hole 13 is symmetrically set in the both sides of ratchet device 20.Through hole
13 setting is further to mitigate the weight of lever 10.
Specifically, referring to Fig. 1, the overall length that can set lever 10 is 1300mm, and the widest part of lever 10 is 200mm, thick stick
The width of the parallelepiped body portion 11 of bar 10 is 100mm, trapezoidal body portion 12 and the junction of parallelepiped body portion 11 and parallelepiped body portion
11 threshold value is 100mm, and the length of the trapezoidal upper bottom surface of body portion 12 is 400mm.Certainly, the size of lever 10 is unrestricted
System.
Referring to Fig. 4, in the present embodiment, lever 10 is provided with angle groove away from the side that work department 21 stretches out lever 10
30, angle groove 30 is circumferentially disposed along ratchet device 20.The setting of angle groove 30 be easy to Real Time Observation angle groove 30 with
Adjust the level of lever 10.
Referring to Fig. 1 and Fig. 5, in the present embodiment, in addition to block 40 is abutted, lever 10 is symmetrical along the two ends of its longitudinally
The edge of a knife 50 is offered, block 40 is abutted and is installed in the edge of a knife 50, block 40 is abutted Zi close to one end of the edge of a knife 50 to one away from the edge of a knife 50
The length at end is tapered.The contact area of hanging basket and lever 10 can be reduced by abutting the setting of block 40, to ensure the length of lever 10
Precision, to reduce influence of the length accuracy to calibration result of lever 10.
Referring to Fig. 2 and Fig. 5, in the present embodiment, it is triangle to abut section of the block 40 along its longitudinally, abuts block 40
One end away from the edge of a knife 50 is arc-shaped.Abut the setting that the top of block 40 is arc-shaped, it is ensured that hanging basket is added in weight measurement
When abutting with abutting block 40 and hanging basket to abut the peak of block 40, to ensure the length accuracy of lever 10, even if when supporting
When connecing block 40 and having certain abrasion, it is also ensured that hanging basket is at the abutting when adding weight measurement with abutting block 40 also to abut block
40 peak.Specifically, along along the longitudinally of lever 10, abut block 40 vertex distance lever 10 centre position away from
From could be arranged to (600 ± 0.6) mm,
Specifically, referring to Fig. 5, in addition to cushion block 60, cushion block 60 is in the edge of a knife 50 and positioned at the both sides for abutting block 40.
Abutting block 40 can be securely fastened to the both sides of the edge of a knife 50 by cushion block 60.
Referring to Fig. 1 and Fig. 3, in the present embodiment, in addition to pressue device 70, lengthwise of the pressue device 70 along lever 10
Direction is arranged at the coaxial line opposite side relative with the edge of a knife 50 of lever 10.The setting of pressue device 70 can facilitate from lever 10
Lower end applies pressure, convenient to be loaded with standard dynamometer, is inconvenient to dismantle encountering live tired torquemeter (torque sensor)
When, moment of torsion can be provided by the way of standard dynamometer load test power, this pressue device 70 can be reduced with a large amount of marks
The not portability of quasi- counterweight loading, is measured in the case of facilitating field environmental condition severe.
Specifically, pressue device 70 is column, and the one end of pressue device 70 away from lever 10 is arc-shaped.Pressue device
70 end is the design of arc-shaped, it is ensured that with the most apexes contact of pressue device 70 when standard dynamometer is loaded, to protect
Demonstrate,prove the length accuracy of lever 10.
The angle that the utility model embodiment is provided can correct torque lever device, and its ratchet device 20 can be carried
3000Nm moment of torsion, can be in order to calibration of the measurement range for 300Nm~3000Nm torquemeter.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of angle can correct torque lever device, it is characterised in that including lever and ratchet device, the ratchet device edge
The longitudinally of the lever is arranged at the centre position of the lever, and the ratchet device includes the commutation located at the lever
Structure and the work department of the lever side is stretched out along the thickness direction of the lever, the work department connects with torque sensor
Connect, the lever has first position and the second place, the commutating structure can be relative to the lever in the first position
Rotated between the second place, when in the first position, the lever can be relative to the work department to first
Direction is rotated, when in the second place, and the lever can be relative to the work department to reverse with the first direction
Second direction rotate.
2. angle according to claim 1 can correct torque lever device, it is characterised in that the ratchet device also includes
Ratchet, the first clamping piece, the first spring, the second clamping piece and second spring, the ratchet include ratchet part and the work department,
The work department extends the axially arranged of the ratchet part, and the lever is provided with holding tank, the ratchet part, first card
Valve part and second clamping piece are located at the holding tank, and one end of first spring abuts first clamping piece, another
End abuts the inwall of the holding tank, and one end of the second spring abuts second blocking part, and the other end abuts described hold
Receive the inwall of groove, the commutating structure can make first clamping piece abut the ratchet portion to limit in the first position respectively
Make the lever rotated along the second direction or make in the second place second clamping piece abut the ratchet portion with
The lever is limited to rotate along the first direction.
3. angle according to claim 1 can correct torque lever device, it is characterised in that the lever deviates from the work
The side for stretching out the lever as portion is provided with angle groove, and the angle groove is along the circumferentially disposed of the ratchet device.
4. the angle according to claim any one of 1-3 can correct torque lever device, it is characterised in that also including abutting
Block, two ends of the lever along its longitudinally symmetrically offer the edge of a knife, and the abutting is packaged to be located at the edge of a knife, the abutting
The length of the one end of block Zi close to one end of the edge of a knife to away from the edge of a knife is tapered.
5. angle according to claim 4 can correct torque lever device, it is characterised in that the abutting block is along its lengthwise
The section in direction is triangle, and the described one end of abutting block away from the edge of a knife is arc-shaped.
6. angle according to claim 4 can correct torque lever device, it is characterised in that also including cushion block, the pad
Block is in the edge of a knife and positioned at the both sides of the abutting block.
7. angle according to claim 4 can correct torque lever device, it is characterised in that also including pressue device, institute
State longitudinally of the pressue device along the lever and be arranged at the lever coaxial line opposite side relative with the edge of a knife.
8. angle according to claim 7 can correct torque lever device, it is characterised in that the pressue device is column
Body, the one end of the pressue device away from the lever is arc-shaped.
9. angle according to claim 1 can correct torque lever device, it is characterised in that the lever includes cuboid
Part and trapezoidal body portion, the parallelepiped body portion is connected with the trapezoidal body portion, and the ratchet device is along the lever
Longitudinally is located at the junction of the parallelepiped body portion and the trapezoidal body portion.
10. angle according to claim 9 can correct torque lever device, it is characterised in that along the lengthwise of the lever
On direction, the junction of the parallelepiped body portion and the trapezoidal body portion is offered through the logical of the lever thickness direction
Hole, the through hole is symmetrically set in the both sides of the ratchet device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621389906.8U CN206470018U (en) | 2016-12-16 | 2016-12-16 | Angle can correct torque lever device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621389906.8U CN206470018U (en) | 2016-12-16 | 2016-12-16 | Angle can correct torque lever device |
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| Publication Number | Publication Date |
|---|---|
| CN206470018U true CN206470018U (en) | 2017-09-05 |
Family
ID=59711060
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621389906.8U Active CN206470018U (en) | 2016-12-16 | 2016-12-16 | Angle can correct torque lever device |
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| CN (1) | CN206470018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500908A (en) * | 2016-12-16 | 2017-03-15 | 广电计量检测（北京）有限公司 | Angle can revise torque lever device |
-
2016
- 2016-12-16 CN CN201621389906.8U patent/CN206470018U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500908A (en) * | 2016-12-16 | 2017-03-15 | 广电计量检测（北京）有限公司 | Angle can revise torque lever device |
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Address after: 100027, 1st to 2nd floors, Building 5, No. 8 Courtyard, Liangshuihe Second Street, Beijing Economic and Technological Development Zone Patentee after: GRG METROLOGY & TEST (BEIJING) CO.,LTD. Patentee after: Radio and TV Measurement and Testing Group Co.,Ltd. Address before: 100027 floors 1-2, building 5, yard 8, Liangshuihe Second Street, Beijing Economic and Technological Development Zone, Beijing Patentee before: GRG METROLOGY & TEST (BEIJING) CO.,LTD. Patentee before: GUANGZHOU GRG METROLOGY & TEST Co.,Ltd. |