CN209624230U - Sample holding device suitable for the measurement test of engineering rock mass tensile strength - Google Patents
Sample holding device suitable for the measurement test of engineering rock mass tensile strength Download PDFInfo
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- CN209624230U CN209624230U CN201920313695.7U CN201920313695U CN209624230U CN 209624230 U CN209624230 U CN 209624230U CN 201920313695 U CN201920313695 U CN 201920313695U CN 209624230 U CN209624230 U CN 209624230U
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Abstract
The utility model discloses a kind of sample holding devices suitable for the measurement test of engineering rock mass tensile strength, including the upper mounted plate from top to bottom successively laid, movable plate, diaphragm plate and bottom plate, steel column one end is fixedly connected with upper mounted plate, the steel column other end sequentially passes through movable plate and diaphragm plate is fixedly connected with bottom plate, spring is arranged on steel column, transmission rod passes through upper mounted plate and the upper surface of movable plate is detachably connected, movable plate lower surface is fixedly installed with sword mounting plate, upper sword mounting plate lower surface is fixedly installed with sword, bottom plate upper surface is fixedly installed with lower sword mounting plate, lower sword mounting plate upper surface is fixedly installed with lower sword, it is provided on diaphragm plate and limits steel ring component with set baby's formula of limit hole cooperation.The utility model opens up limit hole limit support sample on diaphragm plate, and is arranged and meets different sized samples limit supports from set baby's formula limit steel ring component that limit hole cooperates, and saves the time that sample is laid, improves test efficiency.
Description
Technical field
The utility model category rock mass tensile strength measures test fixture technical field, and in particular to one kind is suitable for engineering rock
The sample holding device of body tensile strength measurement test.
Background technique
Tensile Strength of Rock is one of important mechanical property of engineering rock mass.Refer to that rock sample destroys under action of pulling stress
When, the average tensile stress on the section vertical with pulling force.Since rock test piece production and stretching grip difficulty, seldom use
Direct tensile test mostly uses greatly split the law (Brazil's splitting) indirect test measurement Tensile Strength of Rock.Engineering rock mass tension is strong
The laboratory test of degree is uniaxial compression to be provided by test pressure machine, through the accessories such as filler strip or fixture based on Brazil's splitting principle
The mode of action for converting power cleaves rock mass, is computed formula and converts axle power to obtain tensile strength.
Traditional filler strip method is that selection diameter is 2mm~3mm steel wire or width and test specimen diameter ratio is 0.08~0.10
Bakelite plate, two filler strips are placed on two section of the rock sample processed or more manually, is fastened, will be clamped with rubber band
The sample of good filler strip is placed on press machine bearing plate, is held with hand steered, has guaranteed what upper and lower bearing plate was formed perpendicular to two filler strips
Face, from hand after not rotating, starts load test until bearing plate pushes down sample, at low cost although the method is simple,
Smooth core is encountered, filler strip is difficult fix stably, and troublesome in poeration, test is time-consuming, and there are security risks；Artificial clamping, may
There are filler strip position asymmetry, there is bias, leads to data misalignment in load.To improve detection efficiency and safety, existing folder
Tool substitutes filler strip with conical points sword, does not bundle filler strip manually, has auxiliary to help the limit steel plate of sample, and steel plate passes through screw rod
The position back-outed and adjust steel plate is twisted into, operation is simplified, safer, still, when precession screw rod will estimate symmetry, otherwise also can
There is bias, needs to screw out screw rod after sample is by the clamping of sharp sword, operating efficiency is low.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiency of the prior art, provide a kind of be applicable in
It is novel in design reasonable in the sample holding device of engineering rock mass tensile strength measurement test, by opening up limit on diaphragm plate
Position hole limits support sample, and setting meets different sized samples limits from set baby's formula limit steel ring component that limit hole cooperates and holds
Support saves the time that sample is laid, and safety, accuracy improve, and short form test operating process improves test efficiency, is convenient for
It promotes the use of.
In order to solve the above technical problems, the technical solution adopted in the utility model is: being suitable for engineering rock mass tensile strength
Measure the sample holding device of test, it is characterised in that: including the upper mounted plate, movable plate, tabula from top to bottom successively laid
One end of plate and bottom plate, steel column is fixedly connected with upper mounted plate, and the other end of steel column sequentially passes through movable plate and cross
Partition is fixedly connected with bottom plate, the quantity of steel column be it is multiple, the first spring and second spring are arranged on steel column, the
One end of one spring is fixedly connected with movable plate, and the other end of the first spring is fixedly connected with diaphragm plate, one end of second spring
It is fixedly connected with diaphragm plate, the other end of second spring is fixedly connected with bottom plate, and transmission rod passes through upper mounted plate and activity
The upper surface of plate is detachably connected, and the lower surface of movable plate is fixedly installed with sword mounting plate, and the lower surface of upper sword mounting plate is solid
Dingan County is equipped with upper sword, and the upper surface of bottom plate is fixedly installed with lower sword mounting plate, and the upper surface of lower sword mounting plate is fixedly mounted
There is lower sword, be provided on diaphragm plate and limit steel ring component with set baby's formula of limit hole cooperation, the set baby formula limits steel ring component
Limit steel ring including multiple and different sizes.
The above-mentioned sample holding device for being suitable for the measurement test of engineering rock mass tensile strength, it is characterised in that: Duo Gesuo
It states at the marginal position that steel column is separately positioned on bottom plate, upper mounted plate, movable plate, diaphragm plate and bottom plate are on ground
The projected area size in face is consistent, and upper mounted plate is located at the surface of bottom plate.
The above-mentioned sample holding device for being suitable for the measurement test of engineering rock mass tensile strength, it is characterised in that: the steel
The top of column is fixedly installed with screw rod, and screw rod stretches out the upper surface of upper mounted plate, pacifies in the rod segment of screw rod stretching upper mounted plate
Equipped with locking nut.
The above-mentioned sample holding device for being suitable for the measurement test of engineering rock mass tensile strength, it is characterised in that: on described
Sword mounting plate is fixedly connected by the first screw with movable plate, and lower sword mounting plate connects by the way that the second screw and bottom plate are fixed
It connects.
The above-mentioned sample holding device for being suitable for the measurement test of engineering rock mass tensile strength, it is characterised in that: under described
Sword installation opposite with upper sword.
The above-mentioned sample holding device for being suitable for the measurement test of engineering rock mass tensile strength, it is characterised in that: the cross
Circle bubble is installed on partition.
The above-mentioned sample holding device for being suitable for the measurement test of engineering rock mass tensile strength, it is characterised in that: the cross
The through-hole passed through for steel column is offered on partition.
The above-mentioned sample holding device for being suitable for the measurement test of engineering rock mass tensile strength, it is characterised in that: the limit
The cross section in position hole is sequentially reduced from top to bottom for the cross-sectional area of rectangle and limit hole, and the cross section for limiting steel ring is rectangle
The cross-sectional area of ring and limit steel ring is sequentially reduced from top to bottom, and limit hole and limit steel ring are along the center of lower sword length direction
Line is overlapped.
Compared with the prior art, the utility model has the following advantages:
1, lower sword is fixedly mounted on motionless on bottom plate by the utility model, by upper sword be fixedly mounted on movable plate with
The movement of movable plate and move, realize that the aid to the sample of different height cleaves, be equipped on movable plate across upper mounted plate
Transmission rod and press machine cooperate, realize pushing to movable plate, there is provided upper mounted plates and lower solid for the setting one of steel column
The connection of fixed board defines the motion track of movable plate second is that providing track for moving down for movable plate, reliable and stable, uses
Effect is good.
2, the utility model is under movable plate by the first spring of installation settings and second spring on each movable plate
Shifting provides cushion effect, while providing power for the reset of movable plate.
3, the utility model on diaphragm plate by installing circle bubble, for cooperating Novel universal pressure examination in the market
Machine is tested, universal wheel is arranged in the bearing plate lower plate lower part of pressure testing machine, to adjust axle power action direction, promotes bearing plate tune
Perfect square is to making axle power act perpendicularly to sample, fully horizontal with device is visually unable to ensure when mounting clamping device, in tabula
Circle bubble is added on plate, can intuitively show whether fixture and sample are fully horizontally placed, and increases test accuracy.
4, the utility model is novel in design rationally, limits support sample by opening up limit hole on diaphragm plate, and be arranged
Meet different sized samples limit supports from set baby's formula limit steel ring component of limit hole cooperation, save that sample lays when
Between, safety, accuracy improve, and short form test operating process improves test efficiency, convenient for promoting the use of.
In conclusion the utility model is novel in design rationally, support sample is limited by opening up limit hole on diaphragm plate,
And be arranged and meet different sized samples limit supports from set baby's formula limit steel ring component that limit hole cooperates, it saves sample and lays
Time, safety, accuracy improve, short form test operating process, improve test efficiency, convenient for promote the use of.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the top view of the utility model diaphragm plate.
Description of symbols:
1-transmission rod；2-locking nuts；3-upper mounted plates；
4-movable plates；5-the first spring；6-steel columns；
7-bottom plates；8-screw rods；9-the first screw；
10-upper swords；11-upper sword mounting plates；12-lower swords；
13-the second screw；14-limit holes；15-limit steel rings；
16-diaphragm plates；17-circle bubbles；18-lower sword mounting plates；
19-through-holes；20-second springs.
Specific embodiment
As shown in Figure 1 to Figure 3, the utility model includes the upper mounted plate 3 from top to bottom successively laid, movable plate 4, tabula
One end of plate 16 and bottom plate 7, steel column 6 is fixedly connected with upper mounted plate 3, and the other end of steel column 6 sequentially passes through activity
Plate 4 and diaphragm plate 16 are fixedly connected with bottom plate 7, the quantity of steel column 6 be it is multiple, the first spring 5 is arranged on steel column 6
It is fixedly connected with one end of second spring 20, the first spring 5 with movable plate 4, the other end and diaphragm plate 16 of the first spring 5 are fixed
Connection, one end of second spring 20 are fixedly connected with diaphragm plate 16, and the other end and bottom plate 7 of second spring 20 are fixed to be connected
It connects, transmission rod 1 passes through upper mounted plate 3 and the upper surface of movable plate 4 is detachably connected, and the lower surface of movable plate 4 is fixedly installed with
Upper sword mounting plate 11, the lower surface of upper sword mounting plate 11 are fixedly installed with sword 10, and the upper surface of bottom plate 7 is fixedly installed with
Lower sword mounting plate 18, the upper surface of lower sword mounting plate 18 are fixedly installed with lower sword 12, are provided on diaphragm plate 16 and limit hole 14
Set baby's formula of cooperation limits steel ring component, and the set baby formula limit steel ring component includes the limit steel ring 15 of multiple and different sizes.
In the present embodiment, circle bubble 17 is installed on the diaphragm plate 16.
It should be noted that the upper mounted plate 3 from top to bottom successively laid, movable plate 4, diaphragm plate 16 and bottom plate 7
Purpose be that support is provided using bottom plate 7, sample is limited using diaphragm plate 16, utilizes movable plate 4 that upper sword 10 is driven to act on
Lower sword 12 is securely and reliably fixedly mounted on bottom plate in sample, using the moving range that upper mounted plate 3 limits movable plate 4
It is motionless on 7, upper sword 10 is fixedly mounted on movable plate 4 and is moved with the movement of movable plate 4, realizes the sample to different height
Aid splitting, the transmission rod 1 and press machine being equipped on movable plate 4 across upper mounted plate 3 cooperate, realize to movable plate 4
It pushes, there is provided the connections of upper mounted plate 3 and bottom plate 7 for the setting one of steel column 6, second is that mentioning for moving down for movable plate 4
Track has been supplied, has defined the motion track of movable plate；Pass through installation settings the first spring 5 and the second bullet on each movable plate 6
Spring 20 provides cushion effect for moving down for movable plate 4, while the reset for movable plate 4 provides power.By in diaphragm plate 16
Upper installation circle bubble 17, for cooperating Novel universal pressure testing machine in the market, the bearing plate lower plate of pressure testing machine
Universal wheel is arranged in lower part, to adjust axle power action direction, promotes bearing plate adjustment direction that axle power is made to act perpendicularly to sample,
It is fully horizontal with device is visually unable to ensure when mounting clamping device, circle bubble 17 is added on diaphragm plate 16, it can be intuitive
Display fixture and sample whether fully horizontally place, increase test accuracy；By opening up limit hole on diaphragm plate 16
14 limit support samples, and setting meets different sized samples limits from set baby's formula limit steel ring component that limit hole 14 cooperates and holds
Support saves the time that sample is laid, and safety, accuracy improve, and short form test operating process improves test efficiency.
In actual use, since 1 mass of transmission rod is big, transmission rod 1 passes through upper mounted plate 3 and the upper surface of movable plate 4 can
The purpose one of dismantling connection is easy for the mobile clamping device of operator's cooperation, and two are easy for later period storage clamping device, third is that
The pressure when not using clamping device to spring is reduced, the service life of spring is extended.
In the present embodiment, multiple steel columns 6 are separately positioned at the marginal position on bottom plate 7, upper mounted plate
3, the projected area size of movable plate 4, diaphragm plate 16 and bottom plate 7 on ground is consistent, and upper mounted plate 3 is located at bottom plate 7
Surface.
It should be noted that the purpose at the marginal position that multiple steel columns 6 are separately positioned on bottom plate 7 is
For the reserved space of sample as far as possible, meet the spilt test of different more sized samples, upper mounted plate 3, movable plate 4, diaphragm plate 16
Projected area size with bottom plate 7 on ground is consistent and symmetrical configuration the purpose is to reduce the disturbing factors of experiment, improve
Experimental precision.
In the present embodiment, the top of the steel column 6 is fixedly installed with screw rod 8, and screw rod 8 stretches out the upper table of upper mounted plate 3
Face, screw rod 8 stretch out upper mounted plate 3 rod segment on locking nut 2 is installed.
In the present embodiment, the upper sword mounting plate 11 is fixedly connected by the first screw 9 with movable plate 4, lower sword mounting plate
18 are fixedly connected by the second screw 13 with bottom plate 7.
In the present embodiment, the lower sword 12 and the opposite installation of upper sword 10.
It should be noted that the lower sword 12 and the purpose of the opposite installation of upper sword 10 are that bearing plate is promoted to act on transmission rod
1 makes axle power act perpendicularly to sample.
In the present embodiment, the through-hole 19 passed through for steel column 6 is offered on the diaphragm plate 16.
In the present embodiment, the cross section of the limit hole 14 be rectangle and limit hole 14 cross-sectional area from top to bottom according to
The cross section of secondary reduction, limit steel ring 15 is sequentially reduced from top to bottom for the cross-sectional area of straight-flanked ring and limit steel ring 15, is limited
Position hole 14 and limit steel ring 15 are overlapped along the center line of lower 12 length direction of sword.
It should be noted that the cross section of limit hole 14 be the cross-sectional area of rectangle and limit hole 14 from top to bottom successively
Reduced purpose is first is that limit sample avoids limit steel ring 15 from being pierced by from limit hole 14 second is that being easily installed limit steel ring 15
It can not fix, what the cross section of limit steel ring 15 was sequentially reduced from top to bottom for the cross-sectional area of straight-flanked ring and limit steel ring 15
Purpose is easy for the successively cooperation of the limit steel ring 15 of multiple and different sizes, and structure is simple, easy to use；Limit hole 14 and limit
Steel ring 15 is to provide center for sample along the purpose that the center line of lower 12 length direction of sword is overlapped.
When the utility model is used, clamping device is placed in universal test press machine pressure-bearing platform, is selected according to specimen size
Fixed sizeable limit steel ring 15 after observation 17 position of circle bubble is placed in the middle, can place sample, control omnipotent experiment pressure
The pressurization of power machine, transmission rod 1 push movable plate 4 to move down to drive the compression of the first spring 5, diaphragm plate 16 to bottom offset, second spring 20
Compression, lower sword 12 exposure from the limit hole 14 of diaphragm plate 16, upper sword 10 are moved down with movable plate 4 and are displaced vertically downward, lower sword
12 do not generate displacement, and from contact action from limit hole 14 in sample lower end, diaphragm plate 16 is moved down to be separated lower sword 12 with support sample,
Realize that sword clamps sample jointly up and down, sample is cleaved in the case where upper and lower sword acts on simultaneously, this experimentation is completed, in order to eliminate bullet
Influence of the spring compressing force to test data, while having recorded the displacement of final transmission rod, the as decrement of spring, Jin Erji
The power that spring-compressed generates is calculated, spring compression force is subtracted in calculating process, obtains acting on the power on rock sample, is brought into bar
West splitting principle calculation formula, obtains rock mass tensile strength, this off-test.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to any simple modification to the above embodiments of the utility model technical spirit, change and equivalent structural changes, still
Belong in the protection scope of technical solutions of the utility model.
Claims (8)
1. be suitable for engineering rock mass tensile strength measurement test sample holding device, it is characterised in that: including from top to bottom according to
Upper mounted plate (3), movable plate (4), diaphragm plate (16) and the bottom plate (7) of secondary laying, one end of steel column (6) and upper fixation
Plate (3) is fixedly connected, and the other end of steel column (6) sequentially passes through movable plate (4) and diaphragm plate (16) and bottom plate (7) are fixed
Connection, the quantity of steel column (6) be it is multiple, the first spring (5) and second spring (20), the first bullet are arranged on steel column (6)
One end of spring (5) is fixedly connected with movable plate (4), and the other end of the first spring (5) is fixedly connected with diaphragm plate (16), the second bullet
One end of spring (20) is fixedly connected with diaphragm plate (16), and the other end of second spring (20) is fixedly connected with bottom plate (7), is passed
Power bar (1) passes through upper mounted plate (3) and the upper surface of movable plate (4) is detachably connected, and the lower surface of movable plate (4) is fixedly mounted
There is upper sword mounting plate (11), the lower surface of upper sword mounting plate (11) is fixedly installed with sword (10), the upper surface of bottom plate (7)
It is fixedly installed with lower sword mounting plate (18), the upper surface of lower sword mounting plate (18) is fixedly installed with lower sword (12), diaphragm plate (16)
On be provided with set baby's formula limit steel ring component with limit hole (14) cooperation, set baby formula limit steel ring component include it is multiple not
With the limit steel ring (15) of size.
2. the sample holding device described in accordance with the claim 1 suitable for the measurement test of engineering rock mass tensile strength, feature
Be: multiple steel columns (6) are separately positioned at the marginal position on bottom plate (7), upper mounted plate (3), movable plate
(4), projected area size of the diaphragm plate (16) with bottom plate (7) on ground is consistent, and upper mounted plate (3) is located at bottom plate
(7) surface.
3. the sample holding device described in accordance with the claim 1 suitable for the measurement test of engineering rock mass tensile strength, feature
Be: the top of the steel column (6) is fixedly installed with screw rod (8), and screw rod (8) stretches out the upper surface of upper mounted plate (3), screw rod
(8) it stretches out in the rod segment of upper mounted plate (3) and locking nut (2) is installed.
4. the sample holding device described in accordance with the claim 1 suitable for the measurement test of engineering rock mass tensile strength, feature
Be: the upper sword mounting plate (11) is fixedly connected by the first screw (9) with movable plate (4), and lower sword mounting plate (18) passes through
Second screw (13) is fixedly connected with bottom plate (7).
5. the sample holding device described in accordance with the claim 1 suitable for the measurement test of engineering rock mass tensile strength, feature
It is: the lower sword (12) and upper sword (10) opposite installation.
6. the sample holding device described in accordance with the claim 1 suitable for the measurement test of engineering rock mass tensile strength, feature
It is: circle bubble (17) is installed on the diaphragm plate (16).
7. the sample holding device described in accordance with the claim 1 suitable for the measurement test of engineering rock mass tensile strength, feature
It is: offers the through-hole (19) passed through for steel column (6) on the diaphragm plate (16).
8. the sample holding device described in accordance with the claim 1 suitable for the measurement test of engineering rock mass tensile strength, feature
Be: the cross section of the limit hole (14) is sequentially reduced from top to bottom for the cross-sectional area of rectangle and limit hole (14), is limited
The cross section of position steel ring (15) is sequentially reduced from top to bottom for the cross-sectional area of straight-flanked ring and limit steel ring (15), limit hole
(14) it is overlapped with limit steel ring (15) along the center line of lower sword (12) length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920313695.7U CN209624230U (en) | 2019-03-12 | 2019-03-12 | Sample holding device suitable for the measurement test of engineering rock mass tensile strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920313695.7U CN209624230U (en) | 2019-03-12 | 2019-03-12 | Sample holding device suitable for the measurement test of engineering rock mass tensile strength |
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| Publication Number | Publication Date |
|---|---|
| CN209624230U true CN209624230U (en) | 2019-11-12 |
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ID=68456606
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920313695.7U Active CN209624230U (en) | 2019-03-12 | 2019-03-12 | Sample holding device suitable for the measurement test of engineering rock mass tensile strength |
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| Country | Link |
|---|---|
| CN (1) | CN209624230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811930A (en) * | 2020-06-08 | 2020-10-23 | 温州大学 | Fixing device of triaxial apparatus sample |
-
2019
- 2019-03-12 CN CN201920313695.7U patent/CN209624230U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811930A (en) * | 2020-06-08 | 2020-10-23 | 温州大学 | Fixing device of triaxial apparatus sample |
| CN111811930B (en) * | 2020-06-08 | 2023-05-05 | 温州大学 | Triaxial apparatus sample fixing device |
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