CN107490516A - A kind of drawing instrument - Google Patents
A kind of drawing instrument Download PDFInfo
- Publication number
- CN107490516A CN107490516A CN201710643017.2A CN201710643017A CN107490516A CN 107490516 A CN107490516 A CN 107490516A CN 201710643017 A CN201710643017 A CN 201710643017A CN 107490516 A CN107490516 A CN 107490516A
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- force
- thrust
- drawing bar
- sphere
- drawing instrument
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- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000009471 action Effects 0.000 claims abstract description 20
- 230000007704 transition Effects 0.000 claims description 17
- 230000005520 electrodynamics Effects 0.000 claims description 10
- 238000005259 measurement Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Actuator (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of drawing instrument, including drawing instrument support and drawing bar, one end of drawing bar is for applying pull end to corresponding object to be detected application pulling force, thrust mechanism is provided with drawing instrument support, thrust mechanism has the action output end that can be exported towards pull end direction linearly operating is applied away from described in, drawing bar force-bearing piece is provided with drawing bar, force-bearing piece sphere is provided with drawing bar force-bearing piece, acts the action output end sphere for being provided with output end and pushing tow cooperation being adapted to the force-bearing piece sphere.The invention provides a kind of drawing instrument for reducing side force and being influenceed on measurement result.
Description
Technical field
The present invention relates to a kind of drawing instrument for intensity detection.
Background technology
In building field, the adhesive strength of outer ceramic tile, insulation material, paint, coating etc. is required for entering using drawing instrument
Row Site Detection, a kind of " cohesive strength of decorative tile detection of the existing drawing instrument as disclosed in Chinese patent 99248901.6
Instrument ", it is detector support that the binding strength detecting instrument, which includes the main body with supporting leg, and working cylinder, working cylinder are provided with main body
Piston on be connected with piston rod i.e. drawing bar, the lower end of drawing bar is connected with drawing block by bi-directional clutch, working cylinder
Plunger shaft is connected by oil duct with hand pump, while is additionally provided with what is be connected by oil circuit hole with the plunger shaft of working cylinder in main body
Pressure sensor.
In use, drawing block passes through bonding agent and object to be detected（Such as outer ceramic tile is connected）, shake the hand of hand pump
Handle, the hydraulic oil of hand pump are pumped into the plunger shaft of working cylinder, and drawing bar applies pulling force to object to be detected, until object to be detected
Depart from from matrix, pulling force during pressure sensor record is somebody's turn to do.Existing this drawing instrument is complicated, and in the inspection of reality
During survey, due to other factorses such as detection faces out-of-flatnesses, drawing bar can be more or less by non axial side force, due to
Fettered by the cylinder body of working cylinder, the side force can increase the force of sliding friction between piston and working cylinder cylinder body, oil pressure needs gram
Drawing of the drawing bar to object to be detected could be realized by taking the force of sliding friction, can so influence the accuracy of measurement result, long
During the use of phase, the accelerated wear test of piston is also resulted in, influences the service life of drawing instrument.
The content of the invention
It is an object of the invention to provide a kind of drawing instrument for reducing side force and being influenceed on measurement result.
The technical scheme of drawing bar is as follows in the present invention：
A kind of drawing instrument, including drawing instrument support and drawing bar, one end of drawing bar is for applying to corresponding object to be detected
Pulling force applies pull end, and thrust mechanism is provided with drawing instrument support, and thrust mechanism, which has to export towards away from described, applies pull end
The action output end of direction linearly operating, drawing bar force-bearing piece is provided with drawing bar, load is provided with drawing bar force-bearing piece
Block sphere, act the action output end sphere for being provided with output end and pushing tow cooperation being adapted to the force-bearing piece sphere.
The drawing bar force-bearing piece is threadedly coupled with the drawing bar.
The thrust mechanism includes the thrust cylinder of thrust pump and annular, and pressure sensor, drawing bar are connected with thrust cylinder
It is arranged in the centre bore of the thrust cylinder, there is gap between the centre bore hole wall of drawing bar and thrust cylinder, acts output end
It is made up of the piston rod upper end of the thrust cylinder.
The thrust pump is electrodynamic pump or manual pump.
Institute's force-bearing piece sphere is lower convex spherical, and the action output end sphere is lower concave spherical surface.
It is provided with drawing instrument support and described applies pull end so that the axial straight line with action output end of drawing bar for positioning
The consistent detent mechanism of direction of action.
It is ball head structure or bi-directional clutch structure to apply pull end.
It is ball head structure to apply pull end, and detent mechanism includes the positioning laser that can project positioning laser.
It is ball head structure to apply pull end, and drawing instrument also includes being used to be connected to the transition applied between pull end and drawing block
Block, the lower bulb ball groove of pull end cooperation is provided with and applied in transition block, transition block periphery, which has, to be used to lift the drawing block
Step is lifted, the centre of sphere for applying pull end is on the step surface bearing of trend of the lifting step.
The thrust pump is electrodynamic pump, and overfall is provided with thrust cylinder, and pressure regulation proportioning valve is connected with overfall.
Beneficial effects of the present invention are：Drawing instrument in the present invention when in use, by acting output end sphere and load
The cooperation of block sphere, the linearly operating output end of thrust mechanism drives force-bearing piece and the movement of drawing bar, so as to realize to measured object
Body applies pulling force, acts and pushing tow cooperation is adapted between output end sphere and force-bearing piece mating spherical surfaces, accordingly even when in drawing process
Middle generation, drawing bar can be swung the release for realizing power by skew direction active force, drawing bar around the centre of sphere of force-bearing piece sphere,
The frictional force of drawing bar movement will not be had an impact between drawing bar and drawing instrument support or thrust mechanism, is reduced to measurement result
Influence.
Further, realized and determined by the cooperation of force-bearing piece sphere and action output end sphere due to the upper end of drawing bar
Position, therefore can be positioned by detent mechanism to applying pull end, it is possible to realize axial direction and the linearly operating output end one of drawing bar
Cause, so as to easily ensure that the axial direction of drawing bar is consistent with the direction of action for acting output end at the beginning of test.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment 1 of drawing instrument in the present invention；
Fig. 2 is the structural representation of drawing bar in Fig. 1；
Fig. 3 is the top view of drawing block in Fig. 1；
Fig. 4 is the cooperation schematic diagram of electrodynamic pump and thrust cylinder in Fig. 1；
Fig. 5 is the cooperation schematic diagram of the electrodynamic pump in the embodiment 2 of drawing instrument in the present invention and thrust cylinder.
Embodiment
The embodiment 1 of drawing instrument of the present invention is as shown in Fig. 1 ~ 4：Drawing instrument includes drawing bar 7 and with left branch leg, right supporting leg
3 drawing instrument support 2, the lower end of drawing bar is for applying pull end 12, the present embodiment to corresponding object to be detected application pulling force
In to apply pull end 12 be ball head structure, drawing instrument also includes transition block 30 and drawing block 16, and transition block 30 has to be coordinated with applying pull end
Lower bulb ball groove, drawing block is U-shaped structure, is provided with the upper side wall 14 of drawing block and is laterally slid into slideway 17 for transition block,
The periphery of transition block 30 is provided with the lifting step 13 for being used for lifting drawing block, applies step surface of the centre of sphere of pull end in lifting step and prolongs
Stretch on direction, the bottom surface of the lower wall 15 of drawing block is the joint face for being connected with testee, can will be by during use
Object is surveyed to be connected on drawing block by gluing mode.The threaded upper ends of drawing bar 7 are connected with drawing bar force-bearing piece 8, drawing
Thrust mechanism is provided with instrument support 2, thrust mechanism includes the thrust cylinder 18 of thrust pump 21 and annular, and thrust pump is electrodynamic pump,
Thrust cylinder 18 is fixed on drawing instrument support 2, and thrust cylinder 18 is vertically arranged, and the piston rod upper end of thrust cylinder 18 forms thrust mechanism
Action output end 10, action output end 10 can export towards away from force extreme direction linearly operating, drawing bar 7, which is arranged in, to be pushed away
There is the gap 5 for drawing bar beat, drawing bar is held in the centre bore of power cylinder, between the centre bore hole wall of drawing bar and thrust cylinder
The force-bearing piece sphere 6 that the centre of sphere is on drawing bar axial direction is provided with power block 8, acts and is provided with and force-bearing piece ball in output end 10
The action output end sphere 9 that face adaptation pushing tow coordinates, force-bearing piece sphere 6 is lower convex spherical, and action output end sphere 9 is recessed ball
Face.The hydraulic fluid port of electrodynamic pump is connected by oil circuit with the plunger shaft of thrust cylinder 18, and two position four-way valves 20 are provided with oil circuit.While with
What the plunger shaft of thrust cylinder was connected also has pressure sensor 1, is provided with overfall 22 in the plunger shaft of thrust cylinder, is set at overfall
Pressure regulation proportioning valve 23 is equipped with, pressure regulation proportioning valve is then connected with fuel tank 24.It is provided with drawing instrument support for positioning
It is described to apply pull end so that the axial detent mechanism consistent with the linearly operating direction of action output end of drawing bar, detent mechanism include
In the first positioning laser 11 and the second positioning laser 4 of 90 degree of angle arrangements, the positioning that two positioning lasers project swashs
Light crosses crosses the centre of sphere of output end sphere in a vertical laser rays, laser rays.
Use process to this drawing instrument illustrates exemplified by being detected to the adhesive strength of ceramic tile below, passes through during use
Ceramic tile is connected by bonding agent with the bottom surface of drawing block, adjustment force-bearing piece with respect to drawing bar position, make it that transition block can be with
Transversely slide into and slip into slideway, according to the position of positioning laser adjustment transition block, the centre of sphere of transition block is in laser rays
On, because the upper end of drawing bar is positioned by the centre of sphere of force-bearing piece, therefore it can ensure that drawing bar is in vertical posture.During test, electricity
Dynamic pump work, electrodynamic pump inject hydraulic oil into the plunger shaft of thrust cylinder, and hydraulic oil is to the piston rod by thrust cylinder to drawing
Bar applies pulling force, and the setting of proportioning valve is adjusted by pressure, it is ensured that drawing bar is reinforced speed by perseverance, and perseverance reinforcing speed is
The increase for referring to unit interval internal force is constant, and its basic working mechanism is, when the hydraulic oil in plunger shaft is excessive, to protect
Card power is increased constant, and unnecessary oil can adjust proportioning valve through pressure and drain, and increase over time, pressure proportion valve
Oil pressure relief can also increase, and so ensure that drawing bar can be that constant, constant reinforcing can ensure to survey to the reinforcing of ceramic tile
The accuracy of amount.Drawing bar, may because supporting leg supporting surface is uneven or other reasons during by transition block reaction force
Understand the tilting force by non-vertical direction, now drawing bar can produce the beat of low-angle around the centre of sphere of transition block, and power be released
To put, drawing bar will not be locked, and so as to avoid that moving up for drawing bar is impacted, further ensure that measurement accuracy,
Piston rod will not be also locked, it can also be ensured that the service life of product.
In other embodiments of the invention, when force-bearing piece need not be adjusted with respect to the position of drawing bar, load
Block can also be welded or is wholely set with drawing bar；Force-bearing piece sphere can also be upper concave spherical surface, now act output end sphere
It is the upper convex spherical being adapted to upper concave spherical surface；Thrust cylinder may not be loop configuration, such as thrust cylinder is three common
The hydraulic cylinder of circumferentially spaced arrangement, a ball with force-bearing piece mating spherical surfaces can be set on the piston rod top of each hydraulic cylinder
Seat, drawing bar are then arranged in the space that three hydraulic cylinders surround；Certain electrodynamic pump can also be replaced by hand pump；Force side
Can be bi-directional clutch structure, bi-directional clutch structure is made up of two perpendicular articulated structures of hinge axes；Localization machine
Structure can not also be set, such as scene is equipped with a vertical instrument, to ensure vertical degree of the drawing bar at the beginning of measurement, when
Level to realize with level meter to drawing bar in use, can be adjusted；The centre of sphere of force-bearing piece sphere can not also be in drawing bar
On axial direction；The effect of drawing block and transition block is in order to realize the connection between drawing bar and object to be detected, according to detected
The structure of the difference of object, drawing block and transition block can also adapt to change；Thrust mechanism can also be Purely mechanical thrust machine
Structure, now pressure sensor can go here and there in the Path of Force Transfer being located between thrust mechanism and drawing bar.
The embodiment 2 of drawing instrument is as shown in Figure 5 in the present invention：Embodiment 2 as different from Example 1, in order to ensure to draw
Dead man unit interval power is increased constant, and electrodynamic pump is an electro-hydraulic servo control device, and it includes reducing motor 26 and hydraulic pressure
Cylinder 25, the rodless cavity of hydraulic cylinder 25 are connected with thrust cylinder 18, passed through between the piston rod of hydraulic cylinder and the output end of reducing motor
Screw-nut mechanism connects, and specific connected mode is that the output end of the leading screw 28 and reducing motor of screw-nut mechanism is fixed
Connection, the screw 27 of screw-nut mechanism are connected with the piston rod of hydraulic cylinder, can be by being realized to the SERVO CONTROL of motor
Increase power of the thrust cylinder to drawing bar within the unit interval is constant.The expression of figure middle term 10 acts output end；Item 9 expressions action
Output end sphere.
Claims (9)
1. a kind of drawing instrument, including drawing instrument support and drawing bar, one end of drawing bar is for being applied to corresponding object to be detected
Add pulling force applies pull end, it is characterised in that：It is provided with thrust mechanism on drawing instrument support, thrust mechanism has and can exported towards remote
From the action output end for applying pull end direction linearly operating, drawing bar force-bearing piece, drawing bar force-bearing piece are provided with drawing bar
On be provided with force-bearing piece sphere, act to be provided with output end and be adapted to the action output end that pushing tow coordinates with the force-bearing piece sphere
Sphere.
2. drawing instrument according to claim 1, it is characterised in that：The drawing bar force-bearing piece connects with the drawing bar screw thread
Connect.
3. drawing instrument according to claim 1, it is characterised in that：The thrust mechanism includes the thrust of thrust pump and annular
Cylinder, pressure sensor is connected with thrust cylinder, drawing bar is arranged in the centre bore of the thrust cylinder, drawing bar and thrust cylinder
There is gap, action output end is made up of the piston rod upper end of the thrust cylinder between centre bore hole wall.
4. drawing instrument according to claim 3, it is characterised in that：The thrust pump is electrodynamic pump or manual pump.
5. drawing instrument according to claim 1, it is characterised in that：Institute's force-bearing piece sphere is lower convex spherical, and the action is defeated
It is lower concave spherical surface to go out to hold sphere.
6. according to the drawing instrument described in claim 1 ~ 5 any one, it is characterised in that：It is provided with drawing instrument support for fixed
Pull end is applied described in position so that the axial detent mechanism consistent with the linearly operating direction of action output end of drawing bar.
7. drawing instrument according to claim 6, it is characterised in that：It is ball head structure or bi-directional clutch structure to apply pull end.
8. drawing instrument according to claim 7, it is characterised in that：It is ball head structure to apply pull end, and detent mechanism includes can
Project the positioning laser of positioning laser.
9. drawing instrument according to claim 7, it is characterised in that：It is ball head structure to apply pull end, and drawing instrument also includes being used for
The transition block applied between pull end and drawing block is connected to, is provided with and applies the lower bulb ball groove of pull end cooperation in transition block,
Transition block periphery has the lifting step for being used for lifting the drawing block, and the centre of sphere for applying pull end is in the lifting step
On step surface bearing of trend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710643017.2A CN107490516B (en) | 2017-07-31 | 2017-07-31 | Drawing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710643017.2A CN107490516B (en) | 2017-07-31 | 2017-07-31 | Drawing instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107490516A true CN107490516A (en) | 2017-12-19 |
| CN107490516B CN107490516B (en) | 2023-11-21 |
Family
ID=60644074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710643017.2A Active CN107490516B (en) | 2017-07-31 | 2017-07-31 | Drawing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107490516B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169125A (en) * | 2018-03-01 | 2018-06-15 | 河南省计量科学研究院 | A kind of binding strength detecting instrument calibrating calibrating installation |
| CN108226034A (en) * | 2018-03-01 | 2018-06-29 | 郑州东辰科技有限公司 | A kind of calibrating installation for examining and determine bonding intensity detecting instrument |
| CN108318417A (en) * | 2018-03-01 | 2018-07-24 | 河南省计量科学研究院 | A kind of calibration equipment for binding strength detecting instrument calibrating |
| CN109490082A (en) * | 2018-12-21 | 2019-03-19 | 廊坊市阳光建设工程质量检测有限公司 | A kind of total cushion cap of Pulling escape detection concrete strength directly pulls out equipment automatically |
| CN109596518A (en) * | 2018-12-06 | 2019-04-09 | 陕西理工大学 | A kind of Portable wall surface ceramic tile on-site detecting device |
| CN110261300A (en) * | 2019-06-28 | 2019-09-20 | 万正河 | A kind of large size assembled architecture internal component intensity detecting device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169125A (en) * | 2018-03-01 | 2018-06-15 | 河南省计量科学研究院 | A kind of binding strength detecting instrument calibrating calibrating installation |
| CN108226034A (en) * | 2018-03-01 | 2018-06-29 | 郑州东辰科技有限公司 | A kind of calibrating installation for examining and determine bonding intensity detecting instrument |
| CN108318417A (en) * | 2018-03-01 | 2018-07-24 | 河南省计量科学研究院 | A kind of calibration equipment for binding strength detecting instrument calibrating |
| CN108169125B (en) * | 2018-03-01 | 2023-11-21 | 河南省计量测试科学研究院 | Calibrating device for calibrating bonding strength detector |
| CN108318417B (en) * | 2018-03-01 | 2023-12-01 | 河南省计量测试科学研究院 | Verification equipment for verification of bonding strength detector |
| CN109596518A (en) * | 2018-12-06 | 2019-04-09 | 陕西理工大学 | A kind of Portable wall surface ceramic tile on-site detecting device |
| CN109596518B (en) * | 2018-12-06 | 2021-03-16 | 陕西理工大学 | Portable wall tile on-site detection device |
| CN109490082A (en) * | 2018-12-21 | 2019-03-19 | 廊坊市阳光建设工程质量检测有限公司 | A kind of total cushion cap of Pulling escape detection concrete strength directly pulls out equipment automatically |
| CN109490082B (en) * | 2018-12-21 | 2024-06-21 | 廊坊市阳光建设工程质量检测有限公司 | Automatic direct pulling equipment for common bearing platform for detecting concrete strength by pull-out method |
| CN110261300A (en) * | 2019-06-28 | 2019-09-20 | 万正河 | A kind of large size assembled architecture internal component intensity detecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107490516B (en) | 2023-11-21 |
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