CN207487853U - A kind of pulling force standardization experimental apparatus - Google Patents
A kind of pulling force standardization experimental apparatus Download PDFInfo
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- CN207487853U CN207487853U CN201721366835.4U CN201721366835U CN207487853U CN 207487853 U CN207487853 U CN 207487853U CN 201721366835 U CN201721366835 U CN 201721366835U CN 207487853 U CN207487853 U CN 207487853U
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Abstract
The utility model provides a kind of pulling force standardization experimental apparatus, including by the detachably connected rack formed of connecting bracket and supporting support, and it is arranged on the power analysis structure on rack, the supporting support is vertically fixed on support baseboard, the connecting bracket is fixed on above the supporting support, the power analysis structure includes pulley, assistor, force snesor, test component and strain-ga(u)ge transducer, the strain-ga(u)ge transducer is arranged on the test component, the pulley is fixedly connected on the centre position of the connecting bracket, the pulley, the assistor, the force snesor, the test component and the support baseboard for being provided with the strain-ga(u)ge transducer are sequentially connected.The utility model can simulation test component true stressing conditions, simple in structure, convenient disassembly.
Description
Technical field
The utility model is related to a kind of pulling force standardization experimental apparatus, belong to G01L measuring forces, stress, torque field.
Background technology
Analysis of Experimental Stress is an important component of deformation mechanics.In Practical Project, it would be desirable to use stress
It analyzes to solve the problems, such as mainly due to following 3 reasons：
1. pair certain test specimens, other than analysis is carried out using existing theoretical formula and is calculated, it is also necessary to pass through the side of experiment
Method verifies result.
2. because theoretical calculation inevitably carries out necessary simplification to the shape of actual components, force-bearing situation, most
Whether whole result tallies with the actual situation and must be verified by testing.
3. for assembly or component that structure is more complicated, want to acquire answer using the mechanics of materials and elastic theory with simple
It is also relatively difficult.Even if using approximate computational methods, the reliability of result of calculation will also be tested by testing
Card.
In Practical Project, the method for current most common measuring stress is with strain gage testing stress.I.e.
By strain gauge adhesion in component surface, by the way that the strain of tested component to be converted into the variation of resistance, resistance strain gauge by this
Resistance is converted to reading strain or is converted into the variation of voltage, is recorded by data acquisition instrument after allowing, is obtained by conversion
Strain value.Strain is a relative deformation, we need strain being converted to power later.For example, carrying out Car design or fatigue
When fail-safe analysis calculates, need to obtain such as steering linkage pulling force, the torque of transmission shaft, back reaction rod pulling force parts
Stressing conditions.There are these to input, test specimen could be carried out specifically to design, calculated, optimization.
In automotive field, there are no the rack for being demarcated as power by conversion is strained of profession, current domestic major automobile factorys
This staking-out work is mainly carried out using external dedicated durable rack.Its advantage is that test accuracy is high, stability is good, holds
The features such as loading capability is strong.But its shortcoming is also fairly obvious, and first, the major functions of these experimental stands is carries out parts or total
Into fatigue endurance test, it is complicated, carry out strain to power staking-out work be its part work, if for no other reason than that mark
Fixed work and buy these racks then waste it is larger.Second, these experimental stands are substantially import, and cost is very high, purchase one
Set is few then millions of, and at most several ten million, and maintenance cost is also high；Third, these experimental stands are highly professional, complicated,
And the certain force of certain parts can only be carried out or the loading of specific direction, applicability be not strong；4th, these experimental stands need
One fixed place, and occupied space is larger.
It would therefore be highly desirable to need to provide a kind of experimental stand for solving disadvantage mentioned above or disadvantages mentioned above being substantially improved, and then
A kind of experimental provision simple in structure, reliable, cost is relatively low and result precision is higher is provided.
Utility model content
For above-mentioned technical problem, the utility model provides a kind of pulling force standardization experimental apparatus, the device is simple, it is reliable,
Experimental provision at low cost, result precision is higher can eaily carry out conversion staking-out work of the strain to power.
The technical solution adopted in the utility model is：
The utility model embodiment provides a kind of pulling force standardization experimental apparatus, including removable by connecting bracket and supporting support
It connects the rack of formation with unloading and the power being arranged on rack analysis structure, the supporting support is vertically fixed on branch
It supports on bottom plate, the connecting bracket is fixed on above the supporting support, and the power analysis structure includes pulley, assistor, power
Sensor, test component and strain-ga(u)ge transducer, the strain-ga(u)ge transducer are arranged on the test component, and the pulley is consolidated
Surely the centre position of the connecting bracket is connected to, the pulley, the force snesor, is provided with described answer at the assistor
The test component and the support baseboard for becoming piece sensor are sequentially connected.
Optionally, the rack is connected with a connecting bracket by two supporting supports and is formed, under the connecting bracket
Surface is bolted on the upper surface of the supporting support.
Optionally, the rack further includes auxiliary connection support, the auxiliary connection support according to the test component by
Power situation is selectively connect with the supporting support and the connecting bracket.
Optionally, the connecting bracket be rectangular frame structure, including left plate, right plate, top plate, bottom plate and
Every setting and connecting the top plate and multiple partition boards of the bottom plate, several circles are provided on the top plate and the bottom plate
Strip trepanning is provided on hole, the left plate and the right plate.
Optionally, the auxiliary connection support be rectangular frame structure, including left plate, right plate, top plate, bottom plate with
And the partition board of the top plate and the bottom plate is connected, it is provided with several round holes, the left side on the top plate and the bottom plate
Strip trepanning is provided on side plate and the right plate.
Optionally, the connecting bracket and the supporting support are made by 200mm × 200mm wide width wing edge are hot rolled H-shaped.
Compared with prior art, the pulling force standardization experimental apparatus that the utility model embodiment provides can be according to test component
Stress analysis situation builds experimental stand, the true stressing conditions of analog component using supporting support and connecting bracket；In addition,
After experiment is finished, rack can be decomposed and dismantled, strong applicability, and too big space is not take up, it solves import rack and accounts for
With space it is big the shortcomings that.
Description of the drawings
Fig. 1 is the structure diagram of pulling force standardization experimental apparatus that the utility model embodiment provides；
The structure diagram of connecting bracket that Fig. 2 (a) is used to the experimental provision that 2 (d) is the utility model embodiment；
The structural representation of auxiliary connection support that Fig. 3 (a) is used to the experimental provision that 3 (d) is the utility model embodiment
Figure；
The structural representation of vertical supporting support that Fig. 4 (a) is used to the experimental provision that 4 (c) is the utility model embodiment
Figure.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
Fig. 1 is the structure diagram of pulling force standardization experimental apparatus that the utility model embodiment provides.As shown in Figure 1, this
Utility model provides a kind of pulling force standardization experimental apparatus, including being formed by connecting bracket 1 and supporting support 2 are detachably connected
Rack and the power analysis structure being arranged on the rack, the supporting support are vertically fixed on support baseboard, the company
It connects stent to be fixed on above the supporting support, the power analysis structure includes pulley 3, assistor 4, force snesor 5, test department
Part 6 and strain-ga(u)ge transducer 7, the strain-ga(u)ge transducer 7 are arranged on the test component 6, and the pulley is fixedly connected on
The centre position of the connecting bracket 1, the pulley 3, the force snesor 5, are provided with the foil gauge at the assistor 4
The test component 6 and the support baseboard of sensor are sequentially connected.In the utility model, test component 6 can be to turn to horizontal drawing
Bar, longitudinal tie, back reaction rod etc. are by stress part.
Specifically, as shown in Figure 1, described two supporting supports 2 are vertically fixed on support baseboard, the connecting bracket 1
Lower surface be bolted on the upper surface of the supporting support 2, the pulley 3 is fixedly connected on the connecting bracket
1 centre position, the pulley 3, the assistor 4, the force snesor 5, the test for being provided with the strain-ga(u)ge transducer 7
Component 6 and the support baseboard are sequentially connected, i.e., one end of assistor 4 is connect with pulley 3, the other end and the one of force snesor 5
End connection, the upper end of test component 6 of the other end of force snesor 5 with installing strain-ga(u)ge transducer 7 are connect, test component 6
Lower end connect with support baseboard.When testing pulling force, the loading work to 6 pulling force of test component is completed by assistor 4.From
Strain value when strain-ga(u)ge transducer 7 can obtain test component 6 by pulling force can obtain value of thrust from force snesor 5, and then
Can obtain pulling force with strain calibration curve, determine under parts real work state by pulling force situation.
In addition, pulling force standardization experimental apparatus provided in this embodiment can be as needed, auxiliary connection support is may also include, it is auxiliary
The length for helping connecting bracket is short than the length of connecting bracket.The auxiliary connection support is selected according to the stressing conditions of test component
Selecting property is connect with the supporting support and the connecting bracket.When test component length is longer or during wider width, can increase
Auxiliary connection support improves height and width.For example, when length is inadequate, auxiliary connection support can be connected above supporting support,
When width is inadequate, auxiliary connection support can be connected in connecting bracket.Auxiliary connection support and connecting bracket and supporting support
Between can be bolted.
In the present embodiment, support baseboard can be made of ferrous material, connecting bracket 1 and supporting support can by 200mm ×
200mm wide width wing edge are hot rolled H-shaped to be made, and the H profile steel is cheap, so as to reduce the cost of rack, and wide width wing edge hot rolling H
Shaped steel its tension, bending resistance, compression strength 200N/mm2, shearing strength 115N/mm2, end face bearing strength is 325N/
mm2, yield strength Fy is 235N/mm2, it is fully able to meet intensity requirement during calibration.
In the present embodiment, connecting bracket 1 can be 1M connecting brackets, i.e. length is the stent of 1000mm, and auxiliary connects branch
Frame can be 0.5M connecting brackets, i.e., length is the stent of 500mm, and supporting support can be 1M supporting supports, i.e. length is 1000mm
Stent.
The structure diagram of connecting bracket that Fig. 2 (a) is used to the experimental provision that 2 (d) is the present embodiment, wherein, Fig. 2
(a) it is the stereoscopic schematic diagram of connecting bracket 1, Fig. 2 (b) is the front view of connecting bracket 1, and Fig. 2 (c) is that Fig. 2 (b) A-A directions are seen
The schematic diagram of survey, Fig. 2 (d) are the side view of connecting bracket 1.As shown in Fig. 2 (a) to 2 (d), the connecting bracket 1 of the present embodiment is
Rectangular frame structure, length 1000mm, width and height for 200mm, including left plate, right plate, top plate, bottom plate and
It is arranged at intervals and connects the top plate and multiple partition boards of the bottom plate, be evenly arranged on the top plate and the bottom plate several
Strip trepanning is provided on a round hole, the left plate and the right plate.Round hole and strip trepanning are used to connect
Connecting bolt, fixed to use, strip, which is opened, to be easier to realize positioning compared to round hole.In one example, on top plate and bottom plate
Even to open up two rows of circular holes, it can be 20 often to arrange circular hole number, and the distance between two neighboring circular hole can be 50mm, the diameter of round hole
Can be 17mm, pitch-row can be 50mm, two rows of totally 4 strip trepannings can be set on left plate and right plate, strip trepanning can
The semicircle that two a diameter of 17mm are connected by the rectangle that a size is 17mm × 74mm is formed, as shown in Fig. 2 (d).Partition board
Number can be 3.The concrete arrangement of circular hole, strip trepanning and partition board can be as shown in Fig. 2 (b) and 2 (c).
The structure diagram of auxiliary connection support that Fig. 3 (a) is used to the experimental provision that 3 (d) is the present embodiment, wherein,
Fig. 3 (a) is the stereoscopic schematic diagram of connecting bracket, and Fig. 3 (b) is the front view of auxiliary connection support, and Fig. 3 (c) is Fig. 3 (b) A-A side
To the schematic diagram of observation, Fig. 3 (d) is the side view of auxiliary connection support.As shown in Fig. 3 (a) to 3 (d), the auxiliary of the present embodiment
Connecting bracket is the rectangular frame structure similar with connecting bracket, and length 500mm, width and height are 200mm, including
Left plate, right plate, top plate, bottom plate and interval setting simultaneously connect the top plate and the bottom plate partition board, the top plate and institute
It states and several round holes is evenly arranged on bottom plate, strip trepanning is provided on the left plate and the right plate.It is round
Hole and strip trepanning are used to connection bolt, fixed to use, and strip, which is opened, to be easier to realize positioning compared to round hole.At one
In example, two rows of circular holes are uniformly opened up on top plate and bottom plate, it can be 10 often to arrange circular hole number, the distance between two neighboring circular hole
Can be 50mm, the diameter of round hole can be 17mm, and pitch-row can be 50mm, can be set on left plate and right plate two rows of totally 4 long
Bar shaped trepanning, strip trepanning can be connected the semicircle of two a diameter of 17mm by the rectangle that a size is 17mm × 74mm
Into as shown in Fig. 3 (d).The number of partition board can be 1, and the concrete arrangement of circular hole, strip trepanning and partition board can be such as Fig. 3 (b)
With 3 (c) Suo Shi.
The vertical support that Fig. 4 (a) is used to the experimental provision that 4 (c) is the present embodiment connects the structure diagram of stent,
In, Fig. 4 (a) is the front view of supporting support, and Fig. 4 (b) is the schematic diagram of Fig. 4 (a) A-A directions observation, and Fig. 4 (c) is support branch
The structure diagram of the bottom plate of frame.Vertical supporting support 2 in the present embodiment include top plate, bottom plate, left plate and right plate with
And be arranged at intervals and connect the left plate and multiple partition boards of the right plate, the top plate and the bottom plate are arranged in parallel,
And connect respectively with the left plate and the right plate, the size of the bottom plate is more than the size of the top plate, left plate and
Several round holes are provided on right plate, strip trepanning is provided on top plate and bottom plate.Round hole and strip trepanning are equal
Fixed to use for connecting bolt, strip, which is opened, to be easier to realize positioning compared to round hole.In one example, left plate and
Two rows of circular holes are uniformly opened up on right plate, it can be 20 often to arrange circular hole number, and the distance between two neighboring circular hole can be 50mm, round
The diameter in shape hole can be 17mm, and pitch-row can be 50mm, and two rows of totally 4 strip trepannings, strip can be set on top plate and bottom plate
The semicircle that trepanning can be connected two a diameter of 17mm by the rectangle that a size is 17mm × 74mm is formed, such as Fig. 4 (c) institutes
Show.The number of partition board can be 3, and the concrete arrangement of circular hole, strip trepanning and partition board can be as shown in Fig. 4 (a) and 4 (b).
Embodiment described above, only specific embodiment of the present utility model, to illustrate the technology of the utility model
Scheme, rather than its limitations, the scope of protection of the utility model are not limited thereto, although with reference to the foregoing embodiments to this practicality
It is novel to be described in detail, it will be understood by those of ordinary skill in the art that：Any technology people for being familiar with the art
In the technical scope that member discloses in the utility model, it can still modify to the technical solution recorded in previous embodiment
Or variation can be readily occurred in or equivalent replacement is carried out to which part technical characteristic；And these modifications, variation or replacement,
The spirit and scope for the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution should all cover at this
Within the protection domain of utility model.Therefore, the scope of protection of the utility model should it is described using scope of the claims as
It is accurate.
Claims (6)
1. a kind of pulling force standardization experimental apparatus, which is characterized in that including by connecting bracket and the detachably connected shape of supporting support
Into rack and the power that is arranged on the rack analyze structure, the supporting support is vertically fixed on support baseboard, institute
It states connecting bracket to be fixed on above the supporting support, the power analysis structure includes pulley, assistor, force snesor, test
Component and strain-ga(u)ge transducer, the strain-ga(u)ge transducer are arranged on the test component, and the pulley is fixedly connected on institute
The centre position of connecting bracket is stated, the pulley, the force snesor, is provided with the strain-ga(u)ge transducer at the assistor
Test component and the support baseboard be sequentially connected.
2. experimental provision according to claim 1, which is characterized in that the rack is connected by two supporting supports and one
Stent connects to be formed, and the lower surface of the connecting bracket is bolted on the upper surface of the supporting support.
3. experimental provision according to claim 2, which is characterized in that the rack further includes auxiliary connection support, described
Auxiliary connection support is connect according to test component stressing conditions selectivity with the supporting support and the connecting bracket.
4. experimental provision according to claim 2, which is characterized in that the connecting bracket is rectangular frame structure, is wrapped
It includes left plate, right plate, top plate, bottom plate and interval setting and connects multiple partition boards of the top plate and the bottom plate, it is described
Several round holes are provided on top plate and the bottom plate, strip trepanning is provided on the left plate and the right plate.
5. experimental provision according to claim 3, which is characterized in that the auxiliary connection support is rectangular frame knot
Structure, including left plate, right plate, top plate, bottom plate and the partition board for connecting the top plate and the bottom plate, the top plate and described
Several round holes are provided on bottom plate, strip trepanning is provided on the left plate and the right plate.
6. experimental provision according to any one of claims 1 to 5, which is characterized in that the connecting bracket and the support
Stent is made by 200mm × 200mm wide width wing edge are hot rolled H-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721366835.4U CN207487853U (en) | 2017-10-23 | 2017-10-23 | A kind of pulling force standardization experimental apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721366835.4U CN207487853U (en) | 2017-10-23 | 2017-10-23 | A kind of pulling force standardization experimental apparatus |
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| CN207487853U true CN207487853U (en) | 2018-06-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274569A (en) * | 2019-07-23 | 2019-09-24 | 南开大学 | A kind of sensor calibration system |
| CN110672412A (en) * | 2019-09-30 | 2020-01-10 | 太原理工大学 | Plate belt tension simulation device suitable for universal tensile testing machine |
| CN113203585A (en) * | 2021-04-30 | 2021-08-03 | 安徽江淮汽车集团股份有限公司 | Calibration device and load detection method of mechanical steering gear |
-
2017
- 2017-10-23 CN CN201721366835.4U patent/CN207487853U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274569A (en) * | 2019-07-23 | 2019-09-24 | 南开大学 | A kind of sensor calibration system |
| CN110274569B (en) * | 2019-07-23 | 2020-11-03 | 南开大学 | Sensor calibration system |
| CN110672412A (en) * | 2019-09-30 | 2020-01-10 | 太原理工大学 | Plate belt tension simulation device suitable for universal tensile testing machine |
| CN110672412B (en) * | 2019-09-30 | 2021-12-21 | 太原理工大学 | Plate belt tension simulation device suitable for universal tensile testing machine |
| CN113203585A (en) * | 2021-04-30 | 2021-08-03 | 安徽江淮汽车集团股份有限公司 | Calibration device and load detection method of mechanical steering gear |
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