CN209525052U - A kind of standard torquer and its counterweight loading device - Google Patents
A kind of standard torquer and its counterweight loading device Download PDFInfo
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- CN209525052U CN209525052U CN201920634889.7U CN201920634889U CN209525052U CN 209525052 U CN209525052 U CN 209525052U CN 201920634889 U CN201920634889 U CN 201920634889U CN 209525052 U CN209525052 U CN 209525052U
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Abstract
The utility model relates to a kind of counterweight loading devices of standard torquer, lifting platform including the loading plate that can be rotated and for driving loading plate to go up and down, circumferentially there are the first counterweight group and diameter to be greater than the second counterweight group of the first counterweight group on loading plate, each counterweight group includes at least two counterweights being sequentially connected along the vertical direction, suspension hook is provided at the top of the counterweight that position is top in each counterweight group, the vertical bar being arranged in juxtaposition with the first counterweight group is provided on loading plate, the upper end of vertical bar be provided with for the suspension hook in the first counterweight group loading plate rotation direction upper limit and can with the suspension hook be detached from limit cantilever.The utility model provides one kind and can skew to avoid the thinner counterweight group of diameter in rotary elevating platform rotary course inclined counterweight loading device.
Description
Technical field
The utility model relates to the standard torquers and its counterweight loading device in torque calibration field.
Background technique
Dead weight type safe standard torquer is a kind of high-precision application torque metering equipment, is combined by the standard arm of force and standard test weight
It forms, when use hangs up suitable standard test weight on the standard arm of force and forms standard torque value, for measuring tested torque sensing
Device.According to the measurement range demand of measured torque sensor, different configuration of counterweight group need to be used every time.
As disclosed in Chinese patent CN105004477B " counterweight automatic loading device ", the counterweight automatic loading device include
Load bearing component and the rotary elevating platform for being able to drive load bearing component rotation and lifting, rotary elevating platform include elevating mechanism, rotation
Mechanism and supporting mechanism circumferentially have at least two counterweight groups on load bearing component, and each counterweight group includes at least two
The counterweight sequentially placed along the vertical direction, two neighboring counterweight is linked together by connection structure in the same counterweight group, is had
Body is that second piece of counterweight is identical to second from the bottom piece of weight structure in each counterweight group, is provided with connecting pin and is connected to weight
Three lifting lugs and three pin shafts of code, lifting lug lower end are equipped with waist-shaped hole, pass through for the pin shaft of next layer of counterweight, and pin shaft passes through upper one
The waist-shaped hole of the lifting lug of layer counterweight.
One piece of counterweight top of the top has a suspension hook in each counterweight group, the longitudinal profile of suspension hook be it is T-shaped, suspension hook can be with
Claw hook is entered by the side of claw hook, the panhandles of suspension hook pass through the notch of claw hook, and top is suspended to the lower frame of claw hook, thus
It can be sling by claw hook, claw hook then passes through suspension member and is suspended on the arm of force beam of standard torquer.
In use, rotary elevating platform rotates, each counterweight group is driven to rotate around the axis of rotary elevating platform, by the counterweight of needs
Group turns at the claw hook of suspension member, and the suspension hook of top side counterweight upper end enters claw hook, rotary elevating platform by the side of claw hook
Falling head has then just been applied on the arm of force beam of standard torquer by the weight for the counterweight group that claw hook is hung.It is existing this
Loading device has problems in that: each counterweight group has multiple counterweights arranged up and down to be sequentially connected respectively, smaller for diameter
Counterweight group for, it is not special stabilization that center of gravity is higher, rotary elevating platform rotation during, be very easy to skew
Inclination, operator need to influence working efficiency manually to its righting.
Summary of the invention
The purpose of this utility model is to provide one kind can be to avoid the thinner weight of diameter in rotary elevating platform rotary course
Code character skews inclined counterweight loading device；The purpose of this utility model also reside in provide it is a kind of using the counterweight loading device
Standard torquer.
In order to solve the above technical problems, the technical solution of counterweight loading device is as follows in the utility model:
The counterweight loading device of standard torquer, the liter including the loading plate that can be rotated and for driving loading plate to go up and down
Platform is dropped, circumferentially has the first counterweight group and diameter to be greater than the second counterweight group of the first counterweight group, each counterweight group on loading plate
Include at least two counterweights being sequentially connected along the vertical direction, is provided with and hangs at the top of the top counterweight in position in each counterweight group
Hook is provided with the vertical bar being arranged in juxtaposition with the first counterweight group on loading plate, and the upper end of vertical bar is provided with for the first weight
Suspension hook in code character is in loading plate rotation direction upper limit and the limit cantilever that can be detached from the suspension hook.
The long guiding hole extended along limit jib-length direction is offered on limit cantilever, the upper end of vertical bar passes through guiding
Long hole is threaded with locking nut on the upside of the limit cantilever in vertical bar.
Limit cantilever is offered far from one end of the vertical bar and is radially packed into for corresponding suspension hook to realize to described
Suspension hook card slot of the suspension hook in loading plate rotation direction upper limit.
The lifting platform includes the lifter plate driving mechanism of lifter plate and the driving lifter plate lifting, and loading plate rotation is set
Be placed on the lifter plate, be threaded with that axis vertically extends on lifting platform for holding out against the fixed loading plate
Fastening screw.
The technical solution of standard torquer in the utility model are as follows:
A kind of standard torquer, including rack are provided with the arm of force beam of axis horizontal arrangement in rack, are arranged on arm of force beam
There is suspension member, standard torquer further includes counterweight loading device, and counterweight loading device includes the loading plate that can be rotated and use
In the lifting platform of driving loading plate lifting, circumferentially there are on loading plate the first counterweight group and diameter to be greater than the first counterweight group
Second counterweight group, each counterweight group include at least two counterweights being sequentially connected along the vertical direction, in each counterweight group position near
On counterweight at the top of be provided with suspension hook for being connected with suspension member, be provided on loading plate and be arranged in juxtaposition with the first counterweight group
Vertical bar, the upper end of vertical bar be provided with for the suspension hook in the first counterweight group in loading plate rotation direction upper limit and energy
The limit cantilever being detached from the suspension hook.
The long guiding hole extended along limit jib-length direction is offered on limit cantilever, the upper end of vertical bar passes through guiding
Long hole is threaded with locking nut on the upside of the limit cantilever in vertical bar.
Limit cantilever is offered far from one end of the vertical bar and is radially packed into for corresponding suspension hook to realize to described
Suspension hook card slot of the suspension hook in loading plate rotation direction upper limit.
The lifting platform includes the lifter plate driving mechanism of lifter plate and the driving lifter plate lifting, and loading plate rotation is set
Be placed on the lifter plate, be threaded with that axis vertically extends on lifting platform for holding out against the fixed loading plate
Fastening screw.
The utility model has the following beneficial effects: in the utility model, in loading plate rotary course, by limiting cantilever pair
The suspension hook of first counterweight group upper end is limited, and is moved on loading plate direction of rotation to avoid the counterweight of top side, to protect
The stability for demonstrate,proving the first counterweight group of small diameter, avoids the first counterweight group from occurring the inclination that skews in rotary course, is rotating
After in place, limit cantilever and suspension hook are detached from, and release the limit to suspension hook, and suspension hook can be used normally.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of standard torquer in the present invention；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the structural schematic diagram of counterweight loading device in Fig. 1；
Fig. 5 is the top view of Fig. 3；
Fig. 6 is the perspective view of Fig. 3.
Specific embodiment
A kind of implementation of standard torquer is for example shown in Fig. 1 ~ 5: including rack, axis horizontal arrangement is provided in rack
Arm of force beam 9, the left and right ends of arm of force beam 9 are provided with suspension member, and the lower end of suspension member is the hook with T-slot mouth
21, bearing block 7 is bolted on the right side of arm of force beam in rack, the transmission shaft that axis extends in left-right direction passes through gas
Floating axle forwards dynamic be assemblied on bearing block.The left end of transmission shaft is connected by shaft coupling 8 with arm of force beam 9, and the right end of transmission shaft is set
It is equipped with the spanner connection structure 6 for being connected with torque wrench, the spanner connection structure in the present embodiment is with interior mortise
Connector sleeve.In the right side of bearing block, guiding movement is equipped with power head 2 in left-right direction in rack, the power head in the present embodiment
2 be servo motor, the torque output that there is power head axis to extend in left-right direction, the axis and torque output of transmission shaft
Axis coaxle arrangement, the biography that horizontally disposed length extends along the longitudinal direction is fixedly connected with by screw in torque output
Swing arm 3, guiding movement is equipped with the double bars of pinch bar along the longitudinal direction on transmission arm, and specific guidance mode is transmission arm
On be provided with along transmission arm length direction extend adjusting long hole, pinch bar folk art term bar include guiding slidable fit in adjust grow
Sliding bar in hole, the end thread of sliding bar are equipped with double bar locking nuts 23, are moved forward and backward in the double bars of pinch bar
Afterwards, the fixation to the double bars of pinch bar can be realized by screwing double bar locking nuts.The double bars of pinch bar include
Upper and lower spaced apart upper clamping limb 4 and lower clamping limb 19, spiral is equipped with what axis vertically extended on upper clamping limb 4
Upper puller bolt 5, spiral is equipped with the lower puller bolt 20 that axis vertically extends on lower clamping limb 19.
Standard torquer further includes the counterweight loading device 18 being correspondingly arranged with each suspension member, and counterweight loading device 18 wraps
The loading plate 16 that can be rotated and the lifting platform for driving loading plate 16 to go up and down are included, circumferentially has the first weight on loading plate
Code character 15 and diameter are greater than the second counterweight group 11 of the first counterweight group 15, there also is provided third counterweight on loading plate in the present embodiment
Group 10 and the 4th counterweight group 24, the 4th counterweight group 24 compare the first counterweight group 15 and third counterweight group 10 with the second counterweight group 11
Diameter is big.Each counterweight group includes at least two counterweights being sequentially connected along the vertical direction, and position is top in each counterweight group
Counterweight at the top of be provided with suspension hook 12 for being connected with suspension member, the wherein cooperation category of the hook 21 of suspension hook and suspension member
In having the T-slot mouth for circumferentially running through hook in the prior art, hook, the cross-sectional shape of suspension hook is to be adapted to T-slot mouth
T-shaped structure, loading plate rotation when, suspension hook can be circumferentially moved into T-slot mouth, can also be removed by T-slot mouth.
The vertical bar being arranged in juxtaposition respectively with the first counterweight group 15 and third counterweight group 10 is fixedly installed on loading plate 16
14, the upper end of vertical bar 14 is connected with limit cantilever 13 by locking nut 25, and specific connection type is to limit and open on cantilever
Equipped with the long guiding hole 32 extended along limit jib-length direction, the upper end of vertical bar 14 passes through long guiding hole 32, locking nut
25 screw in the vertical bar on the upside of limit cantilever, unclamp locking nut 25, and under the action of long guiding hole 32, limit cantilever can
With mobile toward and away from the suspension hook of corresponding counterweight group, locking nut is screwed then and may be implemented the fixation to limit cantilever.Limit
Cantilever is offered far from one end of vertical bar and is radially packed into for corresponding suspension hook to realize to suspension hook in loading plate rotation direction
The suspension hook card slot 31 of upper limit.Lifting platform includes the lifter plate driving mechanism of lifter plate 17 and driving lifter plate lifting, loading plate
16 are rotatably dispose on lifter plate by rolling bearing, be threaded with that axis vertically extends on lifting platform for pushing up
Fasten the fastening screw 26 of loading plate.Lifter plate driving mechanism includes rectangular tank shell 27 and is set on rectangular tank shell
Motor 28 is provided with deceleration mechanism in rectangular tank shell 27, and the power intake of deceleration mechanism is connected with the motor shaft of motor, subtracts
The power output end of fast mechanism is connected with the drive lead screw 29 that axis vertically extends, and is fixedly installed and passes on lifter plate
The transmission screw of dynamic wire rod thread cooperation, drive lead screw rotation, transmission screw can drive lifter plate oscilaltion, lifter plate with
There are four guide rods, lifter plate driving mechanism to belong to the prior art for setting between rectangular tank shell, and other structures are no longer described in detail.
The utility model use process is as follows: when calibration torque sensor, dismantle bearing block and transmission arm will be tested
Torque sensor is connected between power head and shaft coupling, by two counterweight loading devices, in the suspention portion at arm of force beam both ends
Suitable counterweight group is hung on part, sets required standard torque value.Power head applies torque, tested torsion to torque sensor
The torque is transmitted to arm of force beam by square sensor, and when arm of force beam reaches horizontality, power head stops load, is set at this time
Standard torque value acts on torque sensor completely, is compared by the indicating value of torque sensor and the standard torque value of setting
Compared with completing corresponding calibration operation.The present apparatus can also calibrate standard torque spanner, install bearing block and transmission arm,
The spanner square tenon of tested standard torque spanner is inserted into the interior mortise of transmission shaft right end, and standard torque spanner tested in this way is just
Be connected by transmission shaft with arm of force beam, the pinch bar 22 of tested standard torque spanner extend into the double bars of pinch bar it is upper,
Between lower clamping limb, the front-rear position of the mobile double bars of pinch bar, thus it is possible to vary the double bars of pinch bar are to pinch bar
Force application location screws puller bolt 5, lower puller bolt 20, and double bar the consolidating with respect to pinch bar of pinch bar may be implemented
It is fixed.When needing to change the counterweight group of suspension, corresponding lifter plate rises, and counterweight group is driven to move up, and unclamps fastening screw, hand
Turn moves loading plate, and suitable counterweight group is turned to corresponding hook position, outstanding by limiting in loading plate rotation process
Arm comes the first counterweight group thinner to diameter and the limit of third counterweight group, and the first counterweight group and third counterweight group is avoided to skew
Tilt problem.
In the other embodiments of the utility model: limit cantilever can also pass through vertical bar with the disengaging of corresponding suspension hook
Movement is to realize；Certainly limit cantilever can also realize the limit of suspension hook by following means, such as limit cantilever and turn
Dynamic to be assemblied in vertical bar, the pivot center for limiting cantilever vertically extends setting, and limit cantilever has hinge axes edge
The gripper jaw that up and down direction extends by rotary spacing cantilever to suspension hook, opens gripper jaw when needing to limit corresponding counterweight group
Suspension hook is clamped and is limited, when needing to limit cantilever and suspension hook is detached from, opens gripper jaw, then rotary spacing cantilever, will clamp
Pawl turns to the position far from suspension hook；The number of counterweight group can also be configured as needed, for example, two, three or its
Its number.
Claims (8)
1. the counterweight loading device of standard torquer, the lifting including the loading plate that can be rotated and for driving loading plate to go up and down
Platform circumferentially has on loading plate the first counterweight group and diameter to be greater than the second counterweight group of the first counterweight group, and each counterweight group is equal
The counterweight being sequentially connected along the vertical direction including at least two is provided in each counterweight group at the top of the top counterweight in position and hangs
Hook, it is characterised in that: the vertical bar being arranged in juxtaposition with the first counterweight group is provided on loading plate, the upper end setting of vertical bar is useful
In to the suspension hook in the first counterweight group loading plate rotation direction upper limit and can with the suspension hook be detached from limit cantilever.
2. counterweight loading device according to claim 1, it is characterised in that: offered on limit cantilever along limit arm length
The long guiding hole that direction extends is spent, the upper end of vertical bar is on long guiding hole, vertical bar in the upside spiral shell of the limit cantilever
Line is connected with locking nut.
3. counterweight loading device according to claim 2, it is characterised in that: the limit one end of cantilever far from the vertical bar
Offer for corresponding suspension hook be radially packed into realize to the suspension hook loading plate rotation direction upper limit suspension hook card slot.
4. counterweight loading device described in any one according to claim 1 ~ 3, it is characterised in that: the lifting platform includes lifting
Plate and the lifter plate driving mechanism of the driving lifter plate lifting, loading plate is rotatably dispose on the lifter plate, on lifting platform
It is threaded with the fastening screw for being used to hold out against the fixed loading plate that axis vertically extends.
5. a kind of standard torquer, including rack, it is provided with the arm of force beam of axis horizontal arrangement in rack, is provided on arm of force beam
Suspension member, standard torquer further include counterweight loading device, and counterweight loading device includes the loading plate that can be rotated and is used for
The lifting platform for driving loading plate lifting circumferentially has on loading plate the first counterweight group and diameter to be greater than the of the first counterweight group
Two counterweight groups, each counterweight group include at least two counterweights being sequentially connected along the vertical direction, and position is top in each counterweight group
Counterweight at the top of be provided with suspension hook for being connected with suspension member, it is characterised in that: be provided on loading plate and the first counterweight
The vertical bar that group is arranged in juxtaposition, the upper end of vertical bar be provided with for the suspension hook in the first counterweight group in loading plate rotation direction
Upper limit and the limit cantilever that can be detached from the suspension hook.
6. standard torquer according to claim 5, it is characterised in that: offered on limit cantilever along limit jib-length
The long guiding hole that direction extends, the upper end of vertical bar is on long guiding hole, vertical bar in the upside screw thread of the limit cantilever
It is connected with locking nut.
7. standard torquer according to claim 6, it is characterised in that: limit cantilever is opened far from one end of the vertical bar
Equipped with for corresponding suspension hook be radially packed into realize to the suspension hook loading plate rotation direction upper limit suspension hook card slot.
8. according to standard torquer described in claim 5 ~ 7 any one, it is characterised in that: the lifting platform includes lifter plate
And the lifter plate driving mechanism of the driving lifter plate lifting, loading plate are rotatably dispose on the lifter plate, spiral shell on lifting platform
Line is connected with the fastening screw for being used to hold out against the fixed loading plate that axis vertically extends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920634889.7U CN209525052U (en) | 2019-05-06 | 2019-05-06 | A kind of standard torquer and its counterweight loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920634889.7U CN209525052U (en) | 2019-05-06 | 2019-05-06 | A kind of standard torquer and its counterweight loading device |
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| Publication Number | Publication Date |
|---|---|
| CN209525052U true CN209525052U (en) | 2019-10-22 |
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| CN201920634889.7U Active CN209525052U (en) | 2019-05-06 | 2019-05-06 | A kind of standard torquer and its counterweight loading device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264406A (en) * | 2021-12-29 | 2022-04-01 | 绍兴市肯特机械电子有限公司 | Self-calibration couple type torque standard machine, self-calibration method and torque testing method thereof |
-
2019
- 2019-05-06 CN CN201920634889.7U patent/CN209525052U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264406A (en) * | 2021-12-29 | 2022-04-01 | 绍兴市肯特机械电子有限公司 | Self-calibration couple type torque standard machine, self-calibration method and torque testing method thereof |
| CN114264406B (en) * | 2021-12-29 | 2023-06-16 | 绍兴市肯特机械电子有限公司 | Self-calibration couple type torque standard machine, self-calibration method thereof and torque testing method |
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